JPH08170466A - Door handle - Google Patents

Abstract

PURPOSE: To reverse the operating direction of a handle and the rotating direction of a latch and use the whole rotational moment by the own weight of the latch as locking direction force. CONSTITUTION: At the base end of a handle rotatably fitted to a door, a support plate 4 is fixed to the inner surface of the door, and one end of a lever 6 is fixed to the rotary shaft of the handle. A cam member 10 is rotatably supported on the support plate 4, and a pin 9 planted at the other end of the lever 6 is engaged with the cutout part of the cam member 10 to constitute reversing mechanism. A check plate 14 is fixed to the cam member 10, and a connecting rod 17 is fitted to the check plate 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle for a door, in which a stopper is rotated by rotating a handle attached to a door, and the stopper is engaged with and disengaged from a frame body to which the door is openably and closably attached. In particular, the present invention relates to a door handle provided with a reversing mechanism for reversing the rotating direction of the handle and the stop plate.

[0002]

2. Description of the Related Art For example, a door provided on the front surface of a distribution box so as to be openable and closable has a handle and a stopper which is pivotally driven by the rotation of the handle and whose tip is disengaged from the frame of the distribution box. It is provided. The base end of this stopper plate is conventionally fixed to the support shaft of the handle. Therefore, the turning direction of the handle and the stopper plate was the same direction.

[0003]

According to the conventional door lock handle constructed as described above, the handle is normally lowered in the vertical direction about the support shaft, and the stopper plate is horizontal, so that the frame body of the box is closed. Is locked to. Then, by rotating the handle, the stopper plate is rotated downward to release the engagement with the frame body. For this reason, a force is always applied to the stopper plate in the direction of releasing the engagement with the frame body, depending on the shape and the mounting state of the stopper plate. In addition, since a slight vibration is always applied to a place where a distribution box or the like is installed, there is a fear that the stopper plate may be rotated by its own weight and the locking may be released without operating the handle.

In order to solve this problem, the stopper plate may be pivoted upward when releasing the locking. For this purpose, for example, in the case of a right-opening door, the handle is operated when the door is opened. Direction (from the bottom to the horizontal) must be counterclockwise (from the bottom to the horizontal) when the door is locked. In this way, when the door is closed, the stopper plate can be rotated and locked from above, but since the handle rotates in the same direction as the stopper plate, the handle protrudes outward from the door surface when the door is opened. Ergonomically, it was unnatural, and there was a possibility that the hand could be hurt by an incorrect operation. In particular, in the case of a double door, there is a problem that it is difficult to open the door due to interference between the handles. In order to prevent the interference of the handle, the handle has to be attached at a position away from the peripheral edge of the door, which causes a problem in appearance.

On the other hand, when the door is opened, the handle is usually opened leftward and rightward, and the mainstream is to rotate 60 degrees from the vertical downward to the left and right respectively. Rotate once. At this time, as shown in FIG. 15, when it is desired to increase the locking margin A of the other end of the stopper plate 203 whose one end is coaxially fixed to the handle 201 via the shaft 202 with respect to the frame body 204, There is also a problem that the distance B from the end face to the shaft 202 must be increased.

To solve the above-mentioned problems, the present applicant has
Previously, Japanese Patent Application No. 3-19587 proposed a door lock handle having a reversing mechanism for reversing the rotating direction of the handle and the stopper plate. The configuration of this proposal is shown in FIG. 16 and FIG.
7 shows. 16 and 17, the door 101 has four
The board 103 in which the individual mounting holes 102 are formed is the mounting hole 1
It is attached by a screw (not shown) via 02. A support shaft 105 of a handle 104 is rotatably attached to the door 101, and one end of the support shaft 105 that penetrates through the door 101 and the substrate 103 and projects inward has the lever 1
The base end of 06 is fixed. A pin 107 is planted near the tip of the lever 106.

On the other hand, a cylindrical stopper plate 108 is welded and fixed to the substrate 103 in parallel with the support shaft 105.
The stopper 108 is formed on the step portion 108a formed at the tip of 08.
The mounting hole formed in 09 is rotatably fitted. Further, a square hole washer 110 is fitted to the tip end surface of the seat 108, and the square hole washer 110 is seated by screwing a bolt 112 into a screw hole 111 formed in the center of the seat 108 in the axial direction. It is fixed to. The stopper plate 109 is prevented from coming off the seat 108 via the square hole washer 110.

The stopper 109 is formed in a substantially T shape. The central protrusion 109a of the stopper plate 109 is a locking portion that is locked to the frame body 113 of the door 101. Further, mounting holes 114 are formed at both ends of the stopper plate 109 in a direction perpendicular to the protruding portion 109a.
One end of a locking rod (not shown) is attached to each of the members 14. Further, a long hole 115 is formed on the side of the stopper plate 109 opposite to the protruding portion 109 a with respect to the support shaft 110, and is elongated with respect to the long side of the stopper plate 109.
A pin 107 is slidably engaged with this.

In the above structure, when the handle 104 is rotated in the arrow A direction, the lever 106 fixed to the support shaft 105 is also rotated in the arrow A direction. As a result, lever 1
The pin 107 implanted in 06 moves to the position indicated by the chain double-dashed line, and the stopper plate 109 is seated through the slot 115.
It rotates in the direction of the arrow B around the center and reaches the position shown by the chain double-dashed line. As a result, the locking rod (not shown) connected to the mounting hole 114 moves up and down, and the locking with the upper and lower sides of the frame 113 is released. At the same time, the protrusion 109 of the stopper 109
a also rises in the direction of arrow B, and the engagement with the vertical surface of the frame 113 is released.

According to the above structure, since the turning direction of the handle 104 and the turning direction of the stopper plate 109 are opposite to each other, by turning the handle 104 in the direction of arrow A, which is separated from the peripheral edge of the door 101, The lock 109 can be lifted in the direction of arrow B to release the lock. Therefore, clasp 1
While keeping the closed state of the door 101 by 09,
The stopper plate 109 can be lowered to hold its position by its own weight, and the door 1 can be prevented from being released.

However, according to the above construction, the pin 107 is engaged with the elongated hole 115 formed in the metal plate-like stopper plate 109, and the stopper plate 109 is rotated by the rotation of the lever 106, so that the protrusion of the stopper plate 109 is projected. Although the portion 109a is locked to the frame 113 to lock the door 101, the stopper 109 is usually made of an iron plate having a small thickness of 2 mm to 3.2 mm. There is a problem that the stopper plate 109 is easily deformed when the handle 104 is forcibly turned when it is difficult to rotate due to being locked by the. In particular, the elongated hole 115 engaging with the pin 107 may be deformed, and the pin 107 may become difficult to move along the elongated hole 115.

Further, in order to fix the substrate 103 to the door 101, four mounting holes 102 are formed in the substrate 103, and the door 1
On the 01 side as well, a screw hole (not shown) must be formed at a position corresponding to the mounting hole 102, and the substrate 103 must be fixed to the door 101 by a screw (not shown), which is a problem in that it takes time and effort for mounting. .

The present invention has been made in view of such a situation, and it is difficult for the stopper plate to be deformed or damaged. Even if the stopper member is deformed or damaged, the turning directions of the handle and the stopper plate are reversed. It is an object of the present invention to provide a door handle that can be closed with a stopper plate and that is easy to assemble.

[0014]

In order to achieve the above object, the present invention according to claim 1 is provided in a door which is openably and closably attached to a frame, and is rotated in association with rotation of a handle. In a door handle for locking and locking the tip of a moving stopper plate to the frame, a support plate closely attached to the inner surface of the door, and a penetrating the door and the support plate, via a nut Is formed on the receiving seat that is attached to the door and rotatably supports the rotation shaft of the handle, and on the surface of the receiving seat that abuts the outer surface of the door, and penetrates through the door and is formed on the support plate. A protrusion that fits into the detent hole, an arm whose one end is fixed to the tip of the rotating shaft that protrudes toward the inner surface of the door, and a rotatably supported outer plate that is rotatably supported by the support plate. A cam member formed with a notch in which a pin planted at the end slidably engages One end fixed to said cam member,
It is characterized in that the other end is provided with a stopper plate that engages with the frame body.

A door handle according to a second aspect of the present invention is characterized in that a rotation angle of the cam member rotated by the arm is larger than a rotation angle of the arm.

In the door handle according to the present invention, when the door is closed or opened, the pin implanted in the arm engages with the tip of the cutout portion formed in the cam member. It is characterized in that the rotation of the cam member is locked.

According to a fourth aspect of the present invention, one end of the door handle is rotatably connected to both sides of the center of rotation of the stopper plate, and the other end of the handle is disengaged from the frame by the rotation of the stopper plate. It is characterized in that it is provided with a locking rod.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a door handle of the present invention will be described below with reference to the drawings.

1 to 14 show the configuration of an embodiment of the present invention. 1 to 3, a support plate 4 to be described later is closely attached to the inner surface of the door 1, and a receiving seat 19 is inserted through the door 1 and the support plate 4. As shown in FIG. 3, the receiving seat 19 is provided with a bearing portion 19a that rotatably supports the rotating shaft 2 integrally formed at the upper end of the handle 3 in the right angle direction at the center. A rotation shaft hole 19b is formed through the center of the hole. Further, the bearing portion 19 is provided on the surface of the receiving seat 19 that comes into contact with the outer surface of the door 1.
The protrusions 19c are provided above and below a, and the bearing portion 19a
An outer diameter screw 19d is formed on the outer circumference of the. Further, the door 1 is formed with holes 1a and 1b through which the bearing portion 19a of the receiving seat 19 and the pair of protrusions 19c pass, respectively.

As shown in FIGS. 4 to 6, the support plate 4 is formed into a substantially rectangular plate shape, and the bearing portion 19a of the receiving seat 19 is inserted through the lower portion on the center line in the width direction of the support plate 4. The hole 4a is formed. Further, a pair of protrusions 19c of the receiving seat 19 are inserted above and below the hole 4a on the center line to form a detent hole 4c for locking the rotation of the support plate 4 with respect to the door 1. Further, a hole portion 4b for rotatably supporting a cam member 10, which will be described later, is formed in an upper portion on the center line.

On both sides of the hole 4b of the support plate 4 in the width direction,
A screw hole 4d in which a guide pin 13 for guiding the rotation of the cam member 10 is planted is provided, and stoppers 4e for restricting a rotation range of an arm 6, which will be described later, are provided on both inner sides in the vertical direction. It is formed so as to project to the side.

The bearing portion 19a of the receiving seat 19 and the pair of protrusions 19c formed as described above are respectively provided in the hole portion 1 of the door 1.
a, 1b and the holes 4a, 4c of the support plate 4, and the nut 5 is attached to the outer diameter screw 19d formed on the outer periphery of the bearing 19a.
The support plate 4 can be fixed to the door 1 by screwing and tightening. At this time, the protrusion 19c is formed into the hole 1b,
Since it is fitted to 4c, the rotation of the support plate 4 with respect to the door 1 is locked. The rotating shaft 2 of the handle 3 is the receiving seat 1
It is rotatably inserted in the rotation shaft hole 19b of the shaft 9.

One end of the arm 6 as shown in FIG. 7 and FIG. 8 is fixed to one end of the rotary shaft 2 protruding inside the door 1. The arm 6 is provided with a step portion 6a in the middle, a square hole 6b at the base end, and a pin mounting hole 6c at the tip end. An unillustrated prismatic portion formed at the tip of the rotating shaft 2 is fitted into the square hole 6b, and the arm 6
Is rotated by the screw 8 via the holding metal fitting 7 shown in FIG.
The rotation is locked and fixed to. In addition, pin mounting hole 6
A pin 9 is press-fitted into c.

As shown in FIGS. 9 to 11, the cam member 10 is composed of a column portion 11 and a cam plate portion 12. The base end of the column portion 11 is rotatably mounted in the hole 4b of the support plate 4 shown in FIG. 4, and the prism portion 11a is provided at the tip. A fork-shaped notch 12a is formed on the outer periphery of the cam plate 12, and a pair of arc-shaped guide holes 12b are formed concentrically with the column 11. A pin 9 planted in the arm 6 is slidably engaged with the notch 12a, and a screw hole 4d of the support plate 4 is provided in the guide hole 12b.
A guide pin 13 that is screwed into is slidably inserted.

A rectangular column portion 11a provided at the tip of the column portion 11 of the cam member 10 is fitted with a square hole 14a formed in a stopper plate 14 shown in FIGS.
Reference numeral 4 is fixed to the prism portion 11a by a screw 16 via a pressing member 15 shown in FIG. Clasp 14
The locking portion 14 that engages with a frame body (not shown)
b are provided, and locking rod mounting holes 14c are formed at positions symmetrical with respect to the square holes 14a.
Then, as shown in FIG. 1, the locking rod 1 is installed in the mounting hole 14c.
One end of 7 is rotatably connected. Locking rod 17
The vicinity of the other end of the locking rod 17 is guided in a vertical direction by a guide plate 18 provided on the door 1, and the other end of the locking rod 17 is engaged with a frame body (not shown) by the rotation of the stopper plate 14. It is like this.

Next, the operation of this embodiment will be described. When the handle 3 shown in FIG. 2 is rotated in the arrow A direction shown in FIG. 1, the arm 6 fixed to the rotating shaft 2 is also rotated in the same direction. Further, the cam member 10 reversely rotates in the arrow B direction via the pin 9 implanted in the arm 6, and the stopper plate 14 fixed to the cam member 10 also rotates in the same direction. As a result, the locking portion 14b of the stopper plate 14 engaged with the frame body (not shown) is released from the frame body, and the lock of the door 1 with respect to the frame body is released. At the same time, the pair of locking rods 17 connected to the stopper plate 14 also move in the directions of arrows C and D, respectively, and the lock of the vertical end of the locking rod 17 with respect to the frame is released. Similarly, by rotating the handle 3 in the direction opposite to the arrow A, the stopper plate 14 and the locking rod 17 are engaged with the frame body and locked.

Here, as shown in FIG. 14, the distance C between the rotary shaft 2 and the pin 9 and the rotation center 10a of the cam member 10 are measured.
By appropriately adjusting the distance D between the point at which the pin 9 contacts the notch 12a, the arm 6 rotates integrally with the clasp 14 from the rotation angle of the arm 6 that rotates integrally with the handle 3. The rotation angle of the cam member 10 can be increased. For example, when the handle 3 is rotated 60 degrees, the stopper plate 9
It can be rotated 0 degrees.

As a result, the locking margin A of the stopper plate 14 with respect to the frame 21 can be increased without increasing the distance B between the end surface of the door 1 and the rotating shaft 2. At the same time, the amount of movement of the locking rod 17 also increases, and the locking margin for the frame 21 can be increased.

Further, in the door closed state where the stopper plate 14 is horizontal and the door opened state where the stopper plate 14 is vertical, the pin 9 planted in the arm 6 is formed in the cam member 10 and the cutout portion 12a is formed. By engaging the tip of the handle and setting it as a dead point, the stopper plate 14 does not rotate alone unless the handle 3 is rotated. Therefore, when the door 1 is opened, the stopper 14 is held in a vertical state, and when the door 1 is suddenly closed due to wind or the like, the stopper 14 can be prevented from hitting the frame 21. It is possible to prevent the stopper 14 itself and the frame 21 from being damaged.

According to this embodiment, since the stopper plate 14 is rotated in the direction opposite to the rotation direction of the handle 3,
Stable locking can be performed with the stopper plate 14 lowered. At the same time, locking can be performed by the connecting rod 17. Further, since the stopper 14 is fixed to the cam member 10 and the cam 6 is rotated by the rotation of the arm 6 via the pin 9, the rotation moment of the arm 6 does not directly act on the stopper 14. It is possible to reduce the occurrence of deformation and damage of the stopper plate 14. Further, even if the stopper plate 14 is deformed or damaged, the stopper member 14 is rotated by the rotation of the cam member 10, so that the function of reversing the rotating direction can be maintained.

Further, since the rotation angle of the cam member 10 is larger than the rotation angle of the handle 3, the locking margin of the stopper plate 14 and the locking rod 17 with respect to the frame body 21 can be increased. Further, since the stopper 14 does not rotate alone when the door 1 is in the closed state and the opened state, even when the door 1 is opened and suddenly closed by wind or the like, the stopper 1
4 and the frame body 21 can be prevented from being damaged.

Further, the support plate 4 is attached to the receiving seat 19 by the nut 5
Since the rotation is locked by the projection 19c of the receiving seat 19, the structure and assembly for fixing can be simplified.

In the above embodiment, the stopper 14 is attached to the stopper plate 14.
The case where 7 are connected has been described, but the locking rod 17
May be omitted.

[0034]

As described above, according to the door handle of the present invention, the direction of rotation of the handle is reversed via the arm and the cam member, and the catch is fixed to the cam member.
The stopper plate can be stably held at the locking position with respect to the frame body without projecting the handle to the outside of the door.
In addition, since the stopper plate is rotated via the cam member, the rotation moment does not directly act on the stopper plate when the handle is rotated, and the stopper plate is less likely to be deformed or damaged. However, it does not deteriorate the reversal function of the stopper plate. Furthermore, since the support plate 4 is fixed to the door 1 by the nut 5 via the receiving seat 19 and the rotation is stopped by the protrusion 19c, the structure and assembly can be simplified.

[Brief description of drawings]

FIG. 1 is a front view showing the configuration of an embodiment of a door handle of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is an exploded cross-sectional view of a main part of FIG.

FIG. 4 is a front view showing the configuration of the support plate of FIG.

5 is a cross-sectional view taken along the line AA of FIG.

6 is a cross-sectional view taken along the line BB of FIG.

FIG. 7 is a front view showing the configuration of the arm shown in FIG.

8 is a partial cross-sectional side view of FIG.

9 is a front view showing the configuration of the cam member of FIG. 1. FIG.

FIG. 10 is a side view of FIG. 9;

11 is a cross-sectional view taken along the line CC of FIG.

FIG. 12 is a front view showing the structure of the stopper plate of FIG. 1.

FIG. 13 is a side view of FIG.

FIG. 14 is an explanatory view showing rotation angles of the handle and the stopper plate of FIG. 1.

FIG. 15 is an explanatory view showing a locking margin of a conventional stopper plate with respect to a frame body.

FIG. 16 is a front view showing the configuration of an example of a conventional door handle.

FIG. 17 is a vertical sectional view of FIG.

[Explanation of symbols]

 1 Door 2 Rotating Shaft 3 Handle 4 Support Plate 4c Rotation Stop Hole 5 Nut 6 Arm 10 Cam Member 12a Cutout 14 Stopper 17 Locking Rod 19 Receiving Seat 19c Protrusion

Claims (4)

[Claims] 1. A door handle in which a tip of a stopper plate provided on a door that is openably and closably attached to a frame body and that rotates in conjunction with the rotation of the handle is locked and locked in the frame body. A support plate disposed in close contact with the inner surface of the door, and a receiving plate penetrating the door and the support plate and attached to the door via a nut to rotatably support a rotation shaft of the handle. A protrusion formed on a surface of the receiving seat that comes into contact with an outer surface of the door, the protrusion penetrating the door and fitted into a rotation-stopping hole formed in the support plate; An arm, one end of which is fixed to the protruding tip, and a cam, which is rotatably supported by the support plate, has a notch portion on the outer periphery to which a pin planted at the other end of the arm is slidably engaged. Member and one end is fixed to the cam member, and the other end is engaged with the frame body by rotation. Door handle, characterized in that it comprises a stopper plate that. 2. The door handle according to claim 1, wherein the rotation angle of the cam member rotated by the arm is larger than the rotation angle of the arm. 3. When the door is closed or opened, the pin implanted in the arm engages with the tip of the notch formed in the cam member to lock the rotation of the cam member. The handle for a door according to claim 1, wherein the handle is for a door. 4. A locking rod, one end of which is rotatably connected to both sides of a rotation center of the stopper plate, and the other end of which is engaged with and disengaged from the frame body by the rotation of the stopper plate. The handle for door according to claim 1.