JP3421651B2 - Drawer rotating operation type lock handle device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a drawer rotation type lock handle device used for a door such as a side trunk of a bus. 2. Description of the Related Art In a conventional drawer rotation operation type lock handle device, a main body case is embedded and fixed in a front opening of a door, and a grip portion of the operation handle is housed in a front recess of the main body case. Of the main case, a locking lever is pivotally attached to the rear wall of the main case, and a locking connector rod is connected to an end of the locking lever. When the lock lever is pulled out of the front recess and rotated, the drive mechanism for rotating the locking lever in the unlocking direction is directly connected between the leg portion of the operation handle and the locking lever, and the lock unit embedded and fixed in the main body case, The movement of the drive mechanism is directly restricted. Therefore, when the grip portion of the operation handle is immersed in the front recess of the main body case and the lock unit is in the locked state, when the operation handle is forcibly pulled out of the main body case due to an erroneous operation, the operation handle cannot be moved from the operation handle. The driving force of this causes an excessive load on the lock unit and other internal mechanisms, which are mechanically damaged or damaged. [0004] Accordingly, an object of the present invention is to provide a grip portion of an operation handle in a locked state with a main body.
If you accidentally pull out the lock from the front recess of the case,
And other internal mechanisms are not destroyed or damaged.
In both cases, the return operation of the lock unit and other internal mechanisms is controlled.
Operation is automatically performed following the movement of the handle,
An object of the present invention is to provide a drawer rotation operation type lock handle device which is excellent in convenience . Means for Solving the Problems Drawing out the invention of the present invention
The main body case 3 is fixed to the door 1;
A pair of legs 6 and 7 projecting from the rear side of the main body case 3, and an operating handle 9 which rotates about a pivot 8 from the front concave portion 5; and a rear wall portion 1 of the main body case 3.
A locking lever 13 pivotally mounted on the pivot shaft 11 by a pivot 11 and having a locking connector member 12 connected to an end thereof; a base end pivotally mounted on the rear wall 10 of the main body case 3 by the pivot 11 and a distal end thereof. It engages with the drive arm 14 of one leg 6 of the operation handle 9 and has a guide slot 15
A lock unit 19 fixed to the main body case 3 and having an operation plate 18 fixed to the rotor 17; and an intermediate portion pivotally attached to the rear wall portion 10 of the main case 3 by a pivot 20. An intermediate lever 22 having an end connected to the operation plate 18 via a link bar 21;
And the setting pin 23 at the tip end
Is movably inserted into the guide slot 15 of the control lever 16 and the rotor 17 of the lock unit 19 is
Is in the locking position, the setting pin 23 is
When the rotor 17 of the lock unit 19 is turned to the unlock position, the setting pin 23 is moved to a position where it does not engage with the passive shoulder 24 at the intermediate portion. It has an incoming switch setting plate 25. Further, in the drawer rotating operation type lock handle device of the present invention, when the base end is pivotally connected to the intermediate lever 22 by the pivot 26 and the rotor 17 of the lock unit 19 is in the locking position, the tip end 27 is operated. While waiting at a position where it cannot be pushed down by the control cam 28 provided on the other leg 7 of the handle 9, the rotor 1 of the lock unit 19
A detecting lever 29 whose tip 27 protrudes to a position where it is depressed by the control cam 28 when the lever 7 is turned to the unlocking position; and a passive shoulder of the locking lever 13 when the rotor 17 of the lock unit 19 is in the locking position. A spring 30 for controlling the attitude of the locking lever 13 so that the portion 24 overlaps the base end of the guide slot 15 of the switching setting plate 16; and setting of the switching setting plate 16 when the rotor 17 of the lock unit 19 is in the locking position. The pin 23 is connected to the passive shoulder 24
A spring 31 for controlling the attitude of the switching setting plate 25 so as to be in a retracted position where it is not engaged with the position; a position where the tip portion 27 is not pushed down by the control cam 28 when the rotor 17 of the lock unit 19 is in the locked position. A spring 32 for controlling the attitude of the detection lever 29 so that the lock lever 13 is in a standby position. When the rotor 17 of the lock unit 19 is turned to the unlocking position, the setting pin 23 of the switching setting plate 25 turns the passive shoulder of the locking lever 13. Engages with the operating handle 9
When the control cam 28 is pulled out from the front concave portion of the main body case 3, the control cam 28 pushes down the front end portion 27 of the detection lever 29 to move below the front end portion 27, and the operation handle 9 returns to the front concave portion 5 of the main body case 3. The control cam 28 pushes up the tip 27 of the detection lever 29,
Is returned to the standby position where it is not pushed down by the control cam 28, and the rotor 17 of the lock unit 19 is rotated to return to the locked position. In the pull-out rotary operation type lock handle device of the present invention , when the rotor 17 of the lock unit 19 is turned to the unlocking position, the setting pin 23 of the switching setting plate 25 is turned to the passive shoulder of the locking lever 13. The switch is set so as to engage with the portion 24 and effectively operate the drive mechanism between the operation handle 9 and the locking lever 13. When the operating handle 9 is pulled out from the front recess of the main body case 3, the locking connector rod 12 is pulled and the door 1 is unlocked. After the distal end 27 of the detection lever 29 is pushed down and moved to the lower side of the distal end 27, the operation handle 9 after the door 1 is opened.
When the operation handle 9 is returned to the front concave portion of the main body case 3 by releasing the hand from the control cam 28, the control cam 28 pushes up the distal end portion 27 of the detection lever 29.
8 returns to the standby position, which cannot be depressed,
The rotor 17 of the lock unit 19 returns to the locked position and rotates. In the illustrated embodiment, a main body case 3 is embedded and fixed in a front opening 2 of a door 1, and a front edge thereof is in contact with the front of the door 1. A washer plate (not shown) straddling the main body case 3 is abutted against the back surface of the door 1, and a screw (not shown) is formed in a corner of the back wall portion 10 through a through hole of the washer plate. The main body case 3 is fastened and fixed to the door 1 by being screwed into the door. A pair of left and right legs 6, 7 of the operation handle 9 project from the through hole 34 of the front flange to the rear side of the main body case 3.
, An L-shaped drive arm portion 14 in rear view is fastened and fixed by a screw 35. A control cam 28 is fastened and fixed to the other leg 7 by a screw 37 via an auxiliary plate 36. A pair of left and right pivots 8 are inserted and fixed to a side wall 38 of the main body case 3 and a bearing upright 57 parallel to the side wall 38. A torsion coil spring 39 for returning and rotating the operation handle 9 is fitted to the pivot 8. ing. One end of the torsion coil spring is in contact with the legs 6 and 7 of the operation handle 9, and the other end is in contact with the spring receiving projection 40 of the rear wall 10 of the main body case 3. The pivot 11 of the locking lever 13 is
The attitude control spring 30 of the locking lever 13 is fitted to the pivot 11.
The spring 30 is a torsion coil spring, one end of which is in contact with a spring receiving projection 41 of the rear wall 10, and the other end of which is inserted into a spring receiving hole 42 of the locking lever 13. The rod-shaped locking connector member 12 is connected to the through-hole 43 at each of the upper and lower ends of the locking lever 13 via a pivotally mounted adapter. The pivot of the control lever 16 is the same as the pivot 11 of the locking lever 13. At the tip of the control lever 6 is formed a passive plate portion 44 of an angle type as viewed from the rear.
4 are inserted. The guide slot 15 is formed in the length direction of the control lever 16. The lock unit 19 is embedded and fixed in a thick portion on the rear side of the front flange portion of the main body case 3. As the internal lock mechanism of the lock unit 19, a known lock mechanism such as a pittumbler lock mechanism or a disk tumbler lock mechanism can be appropriately selected. An operation plate 18 is fitted into the square-shaped distal end of the rotor 17 through a square-shaped through hole at the base end, and is fixedly fastened by a screw 46 and a washer. One end of the link bar 21 is pivotally connected to the distal end of the operation plate 18 by a pivot 47, and the other end is connected to the intermediate lever 22 by a pivot 48.
At one end. Axis 20 of intermediate lever 22
Is fixedly inserted into the rear wall portion 10 of the main body case 3. The base end of the switching setting plate 25 is pivotally attached to the other end of the intermediate lever 22 by a pivot 49, and the setting pin 23 is inserted and fixed to the distal end. A third locking connector rod or a signal output arm portion 50 is formed to extend from the distal end portion. Switching setting plate 2
The attitude control spring 31 of FIG. 5 is a torsion coil spring, one end of which is inserted into a through hole 51 at the tip of the switching setting plate, and the other end of which is inserted into a through hole 52 of the control lever 16. The attitude control spring 32 of the detection lever 29 is
A torsion coil spring fitted on the pivot 20 of the intermediate lever 22 has one end abutting on the pivot 11 of the locking lever 13 and the other end abutting on the intermediate part of the detection lever 29.
The tip of the detection lever 29 is bent at a right angle toward the front. In the state where the door 1 is locked to the side trunk body 54 of the bus as shown in FIGS. 1, 3, 5 and 8, the grip 4 of the operation handle 9 is provided. Are immersed in the front concave portion 5 of the main body case 3, and latch bolts (not shown) connected to the respective locking connector members 12 are engaged with metal receiving portions (not shown) on the trunk body side. are doing. The lock unit 19 is in a locked state in which the rotor 17 is non-rotatably restrained by the fixed main body by a lock mechanism in the inner part, and as shown in FIG.
8 is in a horizontal lying position. Therefore, the link bar 21
The intermediate lever 22 is pulled in the posture in which the pivot 48 moves toward the leg 7 and the pivot 49 moves toward the leg 6 with respect to the pivot 20, and the switching setting plate 25 is pushed out toward the leg 6. . Therefore, the setting pin 23 is located at the tip end side of the guide slot 15, that is, at a position near the leg 6. Since the setting pin 23 is held at a position where it does not engage with the passive shoulder 24 of the locking lever 13 in this manner, the communication between the leg 6 of the operating handle 9 and the locking lever 13 and the lock unit 19 is established. Even if the grip portion 4 of the operation handle 9 is pulled out from the front recess 5 of the main body case 3 in the locked state due to erroneous operation, the operation handle 9 only idles around the pivot 8. When the administrator inserts a predetermined key 53 into the keyhole of the rotor 17, releases the constraint of the rotor 17 with respect to the fixed main body, and turns the rotor 17 clockwise to the unlocking position by 90 degrees, as shown in FIG. Then, the operation plate 18 rotates upright to the vertical position. Since the movement of the operation plate 18 is transmitted to the intermediate lever 22 via the link bar 21, the intermediate lever 22 rotates counterclockwise, the pivot 48 moves toward the leg 6 with respect to the pivot 20, and the pivot 49 moves to the leg 6. Comes in a position leaning to the 7 side. Since the switching setting plate 25 is pulled toward the leg 7 by the rotation of the intermediate lever 22, the setting pin 23 moves in the guide slot 15 of the control lever 16, and the passive shoulder 24 of the locking lever 13 is moved. Engages. As a result, the drive mechanism between the leg 6 of the operating handle 9 and the locking lever 13 is set to work effectively. When the grip 4 of the operating handle 9 is pulled out from the front recess 5 of the main body case 3, the leg 6 Lock lever 1 with rotation of
3 rotates, and the locking connector member 12 is pulled. As a result, the latch bolt escapes from the metal receiving portion, so that the door 1 is unlocked from the trunk body 54. By pulling the operating handle 9 further toward the front, the door 1 is opened parallel to the vehicle body side surface 56 of the bus by the interposition of the protruding hinge device 54. In the process in which the operating handle 9 is pulled out and rotated in this way, as shown in FIG.
The detection lever 29 rotates downward as shown by the dashed line in FIG. 9 to allow the control cam 28 to pass. When the operating lever 9 is pulled out to the maximum and the contact between the control cam 28 and the tip portion 27 is lost,
The detection lever 29 is immediately rotated upward by the urging of the spring 32, and comes to the position shown by the solid line in FIG. Therefore, as shown in FIG.
9 is located below the tip 27. After the door 1 is opened,
When the hand is released from the operating handle 9, the operating handle 9 is returned and rotated by the bias of the spring 38 to a position where the grip portion 4 is immersed in the front recess 5 of the main body case 3. In the process of the return rotation, the control cam 28 of the leg 7 pushes up the tip 27 of the detection lever 29,
The detection lever 29 pushes the intermediate lever 22 clockwise. Therefore, the switching setting plate 25 is pushed out toward the leg 6 and the setting pin 23 is moved to the locking lever 13.
Escape from the passive shoulder 24 of the vehicle. The movement of the intermediate lever 22 is transmitted to the operation plate 18 by the link bar 21,
The rotor 17 of the lock unit 19 automatically returns to the original locked position. The locking lever 13 returns to the position indicated by the solid line in FIG.
2 is pushed out, and the latch bolt projects to the lock standby position. When the door 1 is closed after the key 53 is removed from the lock unit 19, the door 1 is extended and contracted by contacting the latch bolt and the opening edge of the trunk body at the final stage, and when the door 1 is completely closed, Will automatically engage the part. As described above, according to the present invention, when the rotor 17 of the lock unit 19 is turned to the unlock position, the setting pin 23 of the switching setting plate 25 is engaged with the passive shoulder 24 of the locking lever 13. By the combination, the drive mechanism between the operating handle 9 and the locking lever 13 is switched and set so as to work effectively, and the locking connector rod 12 is pulled out by pulling out the operating handle 9 from the front recess of the main body case 3. Then, while the door 1 is unlocked, the control cam 28 pushes down the distal end portion 27 of the detection lever 29 and moves below the distal end portion 27 as the operation handle 9 is pulled out and rotated. When the operation handle 9 is released from the operation handle 9 and the operation handle 9 is returned to the front concave portion of the main body case 3, the control cam 28 pushes the tip 27 of the detection lever 29 upward. By Rukoto, detection lever 29 control cam 28
As a result, the rotor 17 of the lock unit 19 is returned to the locked position and rotated , so that the grip 4 of the operation handle 9 is accidentally pulled out of the front recess 5 of the main body case 3 in the locked state . Also, the lock unit and other internal mechanisms are not damaged or damaged, and the return operation of the lock unit 19 and other internal mechanisms is automatically performed by following the movement of the operation handle 9, thereby simplifying the operation. Excellent in properties.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a drawer rotation operation type lock handle device according to one embodiment of the present invention, showing a locked state in which a grip portion of an operation handle is immersed in a front recess of a main body case. ing. FIG. 2 is a rear view of the drawer rotation operation type lock handle device of FIG. 1; FIG. 3 is a right side view of the drawer rotation operation type lock handle device of FIG. 1; FIG. 4 is a bottom view of the drawer rotation operation type lock handle device of FIG. 1 in a state in which rear side components such as a locking lever are omitted. FIG. 5 is a perspective view when the drawer rotation operation type lock handle device of FIG. 1 is applied to a door of a side trunk of a bus. 6 is a perspective view showing a door opening operation in the application example of FIG. 5; FIG. 7 is a perspective view showing a door closing operation in the application example of FIG. 5; FIG. 8 is a rear view of the drawer rotation operation type lock handle device of FIG. 1, in which a rotor of the locking unit is in a locking position. 9 is a rear view of the drawer rotation operation type lock handle device of FIG. 1, in which a rotor of the locking unit is in an unlocked position. FIG. 10 shows the positional relationship between the control cam and the detection lever in the middle of pulling out and rotating the operation handle from the main body case after turning the rotor of the locking unit to the unlock position in the drawer rotation operation type lock handle device of FIG. It is an important section sectional view shown. 11 is a cross-sectional view of a main part showing a positional relationship between a control cam and a detection lever in the middle of the operation handle returning to the main body case after the door is unlocked and opened in the drawer rotation operation type lock handle device of FIG. 1; [Description of Signs] 1 door 2 front opening 3 of door 3 main body case 4 grip portion of operation handle 5 front recess of main body case 6 leg portion of operation handle 7 leg portion of operation handle 8 pivot 9 of operation handle 9 operation handle 9 10 Back wall portion 11 of main body case Locking lever pivot 12 Locking connector member 13 Locking lever 14 Drive arm portion of operation handle 15 Control lever guide slot 16 Control lever 17 Lock unit rotor 18 Operation plate 19 Lock unit 20 Intermediate lever Axis 21 Link bar 22 Intermediate lever 23 Setting pin of switching setting plate 24 Passive shoulder 25 of locking lever Switching setting plate 26 Axis 27 of detecting lever 27 Tip of detecting lever 28 Control cam 29 Detecting lever 30 Spring for controlling attitude of locking lever 31 Position of switch setting plate Attitude control for the spring of patronage of the spring 32 the detection lever

Claims (1)

(57) [Claim 1] A main body case 3 fixed to a door 1 and a grip portion 4 are housed in a front recess 5 of the main body case 3.
The pair of legs 6 and 7 project from the back of the
And an operation c that rotates around the pivot 8 from the front recess 5.
Handle 9 and a back wall 10 of the main body case 3 by a pivot 11.
And a locking connector to which the locking connector member 12 is connected.
A bar 13 and a rear end portion of the rear end portion of the main body case 3 by the pivot 11
10 and one end of the operating handle 9
6 is engaged with the drive arm section 14 and a guide is provided at the intermediate section.
A control lever 16 provided with a slot 15 is fixed to the main body case 3.
A lock unit 19 to which the main body 8 is fixed, and a pivot 20 for an intermediate portion ,
And one end thereof is linked to the operation plate 18.
An intermediate lever 22 connected via a Kubar 21, and a base end connected to the other end of the intermediate lever 22 by a pivot 49.
The setting pin 23 at the tip is
Movably inserted into the guide slot 15 of the lever 16
And the rotor 17 of the lock unit 19 is in the locked position.
At some point, the setting pin 23 is
While retracted to a position where it does not engage with the moving shoulder 24, the lock
When the rotor 17 of the unit 19 is turned to the unlock position,
Switching when setting pin 23 is in position to engage passive shoulder 24
A setting plate 25 and a base end pivotally connected to the intermediate lever 22 by a pivot 26;
When the rotor 17 of the lock unit 19 is in the locked position,
The tip 27 is provided on the other leg 7 of the operation handle 9.
Waiting at a position where it cannot be pushed down by the cam 28
Meanwhile, the rotor 17 of the lock unit 19 is turned to the unlock position.
Is pressed by the control cam 28.
When the detection lever 29 projecting to the lowered position and the rotor 17 of the lock unit 19 are in the locking position,
The passive shoulder 24 of the locking lever 13 is the switching setting plate 1
6 so that it overlaps the base end of the guide slot 15
When the spring 30 for controlling the posture of the lever 13 and the rotor 17 of the lock unit 19 are in the locked position,
The setting pin 23 of the switching setting plate 16 is connected to the passive shoulder.
24 so that the switching setting
When the spring 31 for controlling the attitude of the rate 25 and the rotor 17 of the lock unit 19 are in the locking position,
The tip 27 is pushed down by the control cam 28.
Attitude control of the detection lever 29 so that it stands by at a position
When the rotor 17 of the lock unit 19 is turned to the unlocked position.
When the setting pin 23 of the switching setting plate 25 is
-13, the operating handle 9 is pulled out from the front recess of the main body case 3.
When the control cam 28 is in the
7 to move it below the tip 27, and
When the socket 9 is returned to the front recess 5 of the main body case 3,
The cam 28 pushes up the tip 27 of the detection lever 29,
The detection lever 29 is not pushed down by the control cam 28.
The lock unit 19 returns to the standby position
The drawer rotation operation type lock handle device in which the data 17 returns to the locked position and rotates .