JPH0648307U - Plane handle - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the door from opening due to a malfunction of the flat handle. [Structure] A stop plate 8 provided on a door that is openably and closably attached to a frame body and pivoted in a direction parallel to the surface of the door and one end of which is engaged with and disengaged from the frame body, and a right angle to the surface of the door. In a flat handle having a handle for rotating and driving the stopper plate 8 in the direction of, the biasing means 19 for holding the stopper plate 8 at the rotating end is provided.

Description

[Detailed description of the device]

 [Purpose of device]

[0001]

[Industrial applications]

 The present invention relates to a flat handle provided on, for example, a switchboard door, and more particularly to a flat handle capable of preventing dangerous opening.

[0002]

[Prior art]

 Various types of flat handles have been already proposed for the switchboard doors and the like. For example, those described in Japanese Utility Model Publication No. 61-25287 are known. This proposal was structured as shown in Figures 3 and 4. In the figure, a base end portion 2a of a handle 2 is rotatably supported in a vertically long case 1 via a support shaft 3, and protrudes from the case 1 by a winding spring 4 wound around the support shaft 3. It is biased to rotate in the direction. A latch body 5 is mounted on the lower portion of the case 1 so as to be slidable in the longitudinal direction of the case 1, and a protrusion 5a provided at the tip of the latch body 5 is a notch formed in the tip 2b of the handle 2. The handle 2 is retained in the case 1 by being engaged with the case 2c. Further, the latch body 5 is constantly biased by the compression coil spring 6 in the direction toward the tip 2b of the handle 2.

On the other hand, a screw 7 is screwed on the back surface of the case 1 so as to be eccentric with respect to the longitudinal centerline of the case 1, and a stopper plate 8 is rotatably supported via the screw 7. . An operating protrusion 9 projecting from the rear surface of the case 1 is provided on the base end 2a of the handle 2 on the center line of the case 1, and the operating protrusion 9 is engaged with a hole 8a formed in the stopper plate 8. In addition, the stop plate 8 is rotated by rotating the handle 2 about the support shaft 3 to engage with and disengage from the frame-side receiving portion to which a door (not shown) is attached. Then, by pushing down the latch body 5 against the urging force of the coil spring 6, the engagement between the latch body 5 and the tip 2b of the handle 2 is released, and the urging force of the winding spring 4 causes the handle 2 to move to the case 1. The stopper plate 8 is rotated to separate from the receiving portion on the frame body side.

[0004]

[Problems to be solved by the device]

 However, according to the conventional flat handle configured as described above, when the latch body 5 is pushed down and the engagement with the handle 2 is released, the handle 2 suddenly projects to the front surface of the case 1 by the urging force of the winding spring 4. . For this reason, there is a risk of collision with the hand of a person or the like near the handle 2. Further, since the handle 2 is always biased in the protruding direction, the door may be unlocked just by accidentally touching the latch body 5.

The present invention has been made in view of the above points, and the handle does not significantly protrude even if the latch body is moved, the stopper plate does not rotate, and the door is opened due to a malfunction. It is an object of the present invention to provide a flat handle that can prevent such a situation. [Device configuration]

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a stop plate provided on a door that is openably and closably attached to a frame, and rotates in a direction parallel to the surface of the door so that one end is engaged with and disengaged from the frame. And a handle for rotating and driving the stop plate by rotating in a direction perpendicular to the surface of the door, a biasing means for holding the stop plate at the rotating end is provided. It has a feature.

[0007]

[Action]

 According to the above construction, since the stop plate is held at that position at the rotating end by the biasing means, in order to rotate the stop plate, the handle is rotated against the biasing force of the biasing means. There must be. Therefore, it is possible to prevent the door from being released due to a malfunction.

[0008]

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 show an embodiment of the present invention. In these figures, parts corresponding to those of the conventional example shown in FIGS. 3 and 4 are designated by the same reference numerals, and description thereof will be omitted as appropriate. The case 1 is attached to the door 12 by nuts 11 at the upper and lower ends, respectively. The stop plate 8 is rotatably supported via a screw 7 that is screwed onto the longitudinal centerline of the case 1. Further, the stopper plate 8 is provided with an elongated hole 13 formed in an arc shape around the screw 7, a locking hole 14 formed in the vicinity of the screw 7, and a cut groove 15 formed in the lower outer periphery. There is.

On the other hand, a disk 17 is rotatably supported on the back surface of the case 1 via a screw 16 screwed on the longitudinal centerline of the case 1. Further, a pin 18 is planted in the disk 17, and one end of a spring 19 which is a second biasing means is locked to the pin 18. Further, the other end of the spring 19 is locked to a stopper 20 provided on the lower portion of the case 1 on the longitudinal centerline, and the spring 19 is positioned on the right side or the left side of the bus 16 by the rotation of the disk 17. It is like this. Further, a notch 21 is formed in a part of the outer periphery of the disk 17, and a pin 22 fixed to the back surface of the case 1 engages with the notch 21 to regulate the rotation range of the disk 17.

Further, a pin 18 is engaged with a cut groove 15 formed in the stopper plate 8, and an engaging hole 14 is an operation which is a power transmission means provided at a base end portion 2 a of the handle 2. The stem 9 is engaged. Further, a screw 23 screwed to the back surface of the case 1 is engaged with the long hole 13 to regulate the turning range of the stop plate 8. Reference numeral 24 is a lock provided on the handle 2.

On the other hand, a latch body 26 is rotatably attached to the lower end of the case 1 via a support shaft 25, and a protrusion 26 a provided on the outer periphery of the latch body 26 has a tip 2 b of the handle 2. The handle 2 is retained in the case 1 by being engaged with the notch 2c formed in the case 1. Further, the latch body 26 is biased by the coil spring 27 so as to rotate in the direction in which the protrusion 26a enters the notch 2c. Reference numeral 28 is a stopper pin that regulates the rotation range of the winding spring 4.

Next, the operation of this embodiment will be described. When the door 12 is closed, the stopper plate 8 is in a substantially horizontal position as shown by the solid line in FIG. 1, and one end of the stopper plate 8 is a receiving portion on the side of the frame (not shown) to which the door 12 is attached. Is engaged with. Then, the notch 2c of the tip 2b of the handle 2 is engaged with the protrusion 26a of the latch body 26, and the handle 2 is retained in the case 1 by being retracted.

In this state, when the latch body 26 is rotated to release the engagement between the protrusion 26a and the notch 2c, the handle 2 is regulated by the stopper pin 28 by the urging force of the winding spring 4 as shown in FIG. Although rotated to the position shown by, the rotation angle of the biasing winding spring 4 is regulated by the stopper pin 28. The rotation angle α at this time is about 20 degrees. In this state, the disk 17 is rotated clockwise by the urging force of the spring 19 as shown in FIG. 1, and the operating protrusion 9 of the handle 2 comes into contact with the lower side of the locking hole 14 of the stop plate 8. Thus, the turning position of the handle 2 is positioned.

Next, when the handle 2 is grasped and pulled out forward, the actuating protrusion 9 presses the lower side of the locking hole 14 of the stop plate 8, and the stop plate 8 is indicated by C against the biasing force of the spring 19. Rotate in the clock direction to the position. At the same time, the disk 17 rotates counterclockwise, and the spring 19 is located on the left side of the screw 16 in the figure. At this time, the disc 17 is held in that position by the urging force of the spring 19. In this state, the turning angles β and θ of the handle 2 and the stopper plate 8 are both about 45 degrees. As a result, one end of the stop plate 8 is separated from the receiving portion on the frame body side, and the door 12 can be released.

When closing the door 12, the handle 2 may be pushed into the case 1 to sequentially rotate the stop plate 8 in the counterclockwise direction and the disk 17 in the clockwise direction to restore the original position.

According to this embodiment, even if the latch body 26 is rotated to release the engagement between the protrusion 26a and the notch 2c, the handle 2 projects only a slight angle and collides with a hand or the like. There is little danger of Further, even if the latch body 26 is accidentally rotated, the stop plate 8 does not rotate, so that the door 12 is not opened.

The turning angles of the handle 2 and the stopper plate 8 shown in the above embodiment are merely examples and are not limited to these. The structure of the latch body 26 is not limited to that shown in this embodiment. Further, even if the disk 17 is omitted and one end of the spring 19 is stopped and locked at an appropriate position of the metal plate 8, substantially the same effect can be obtained.

[0019]

[Effect of device]

 As described above, according to the present invention, when the locking of the rotation of the handle by the latch body is released, the handle slightly projects and the stopper plate does not rotate. It is possible to prevent the generation of the door and also prevent the door from being opened due to the malfunction of the latch body.

[Brief description of drawings]

FIG. 1 is a rear view showing the configuration of an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of FIG.

FIG. 3 is a front view showing an example of a conventional flat handle.

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

[Explanation of symbols]

 2 Handle 8 Stop plate 12 Door 19 Spring (biasing means)

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[Procedure amendment]

[Submission date] December 16, 1993

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 1]

[Fig. 2]

[Figure 3]

[Figure 4]

Claims (1)

[Scope of utility model registration request] 1. A stop plate provided on a door that is attached to a frame so as to be openable and closable, and a stop plate that pivots in a direction parallel to the surface of the door and one end of which is disengaged from the frame, and a surface of the door. A flat handle comprising a handle for rotating and driving the stop plate by rotating in a direction at a right angle, wherein a biasing means for holding the stop plate at a rotating end is provided.