JPH0960358A - Lock handle device for door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock handle device for door capable of firmly locking a handle for a case for burgular-proofing without causing operation fault by distortion and deformation of a lock shaft and to make it possible to escape by making unlocking operation surely from the inside even if a person is confined in the case. SOLUTION: The basic end of a handle 3 is pivoted on a case 2 with a pivot 4, a lock shaft engaged with the pivot 4 is embedded inside a door, a hook detachable from a holder on a fixed frame body side is provided on the lock shaft, a hook lever 11 detachable from a bearing 10 of the bottom wall section of the case 2 and an auxiliary handle 16 interlocked with the hook lever 11 are pivoted on the handle 3 with a pivot 13, and the hook lever 11 is turned and energized in the direction interlocking with the bearing 10 with a spring. A lock unit 23 is provided on an intermediate section of the handle 3, a check projection 24a for preventing the movement of the auxiliary handle 16 is provided to a lock plate 24 engaged with the lock unit 23, and the handle 3 is tuned and energized in the direction of going-in with the spring 9. A through-hole is provided to the bottom wall section of the case 2, and an inside controlling bar turning the hook lever 11 in the direction of separation from the bearing 10 is inserted into the through-hole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock handle device which is mounted on a door of a refrigerating / freezing container of a truck and is used for locking and locking the door to a fixed frame body such as a container body. It is a thing.

[0002]

2. Description of the Related Art In a conventional lock handle device for a container door, a bearing plate portion is projectingly provided on a substrate fixed to the front side of the door, and a base end portion of the handle is pivotally attached to the bearing plate portion by The lock shaft connected to the pivot is inserted into the guide fitting protruding from the front side of the door, and the latch that engages with the receiving metal on the container body side is provided at the tip of the lock shaft, and the handle is pulled around the pivot. By rotating, the latch is disengaged from the receiving metal, and the locking and locking of the door with respect to the container body is released. Also, with this door lock handle device,
After locking and locking the door to the container body, in order to prevent theft of luggage, the locking plate part protruding from the board is inserted into the long hole at the tip of the handle and the locking plate part protruding from the handle A padlock hook stick is inserted through the through hole to lock the handle to the board.

However, in such a handle device, since the handle, the lock rod, and the guide fitting are all arranged so as to project on the front side of the door, not only can the appearance of the container not be finished in a neat design, but also When the lock shaft collides with another object when the door is opened and is distorted and deformed, there is a problem that the pulling and rotating operation of the handle cannot be performed smoothly. Furthermore, when the door was accidentally closed and locked from the outside during the work inside the container body and the padlock was hung on the handle, the locked worker could not unlock the door by himself and escape, and There is a risk of suffocation if left unattended.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to make it possible to form the front door of a container into a simplified and neat design, and to prevent a malfunction of the lock shaft due to distortion and deformation of the door. It is to provide a handle device. Further, an object of the present invention is to lock the door to the fixed frame body, and then firmly lock the handle to the case to prevent theft, and to prevent the person who is trapped even when the handle is locked. (EN) Provided is a door lock handle device that can be accurately unlocked and escaped from the inside.

[0005]

In a door lock handle device of the present invention, a lock shaft that interlocks with the pivot shaft 4 has a base end portion of a handle 3 pivotally attached to a case 2 embedded and fixed to a door 1 by a pivot shaft 4. 5 is embedded in the interior of the door 1, and the lock shaft 5 is provided with a latch 8 that engages with and disengages from the lock 7 on the side of the fixed frame 6. A receiving shaft 10 projecting from the bottom wall of the case 2, a hook lever 11 with which the tip end engages and disengages, and an auxiliary handle 16 that engages with the base end of the hook lever 11 are pivotally attached to the handle 3 by means of a pivot 13. And the spring 14 causes the hook lever 1
1 is rotationally biased in the direction of engaging the receiving shaft 10. The lock unit 23 is provided in the middle portion of the handle 3, and the lock unit 2
When the rotor of the lock unit 23 is turned to the locked position, the auxiliary handle 16
Is provided on the locking plate 24 to prevent the movement of the
The handle 3 is rotationally biased by the spring 9 in the direction in which the handle 3 is retracted into the case 2.

According to the door lock handle device of claim 2,
A through hole 21 is provided in the bottom wall of the case 2, the case 2 is inserted into the case 2 through the through hole 21, and the distal end of the hook lever 11 is pushed to push the hook lever 11 from the receiving shaft 10. An inner operating rod 22 is provided inside the door 1 to rotate in the detaching direction.

When the hand is inserted into the empty space of the case 2 and the handle 3 is grasped and the auxiliary handle 16 is rotated around the pivot 13, the hook lever 11 engaging with the auxiliary handle 16 is formed.
Rotates around the pivot 13 against the spring 14, and the case 2
When the tip end portion of the hook lever 11 is disengaged from the receiving shaft 10 of the bottom wall portion, the locking and locking of the handle 3 with respect to the case 2 is released. Therefore, when the handle 3 is pulled out from the case 2 and rotated about the pivot 4 against the bias of the spring 9, the lock shaft 5 rotates integrally with the pivot 4. The rotation of the lock shaft 5 causes the latch 8 to be disengaged from the receiving member 7 on the fixed frame body 6 side, so that the locking and locking of the door 1 with respect to the fixed frame body 6 is released, and the door 3 is opened by further pulling out the handle 3. Operated. When the hand is released from the handle 3, the handle 3 is returned and rotated toward the inside of the case 2 by the bias of the spring 9.

When the door 1 is closed and the entire handle 3 is pushed into the case 2 after the loading and unloading work of the luggage is completed, the passive edge portion 11a at the tip of the hook lever 11 comes into contact with the receiving shaft 10, and therefore the hook lever. Reference numeral 11 rotates against the bias of the spring 14, and the tip end portion of the hook lever 11 deeply engages with the receiving shaft 10 to lock and lock the handle 3 again with respect to the case 2. When it is desired to lock the handle 3 after locking the door 1 to the fixed frame body 6, the rotor of the lock unit 23 is rotated in the locking direction by a predetermined key, and the locking projection 24a of the lock plate 24 is attached to the front surface of the auxiliary handle 16. Move to. By the engagement of the restraining protrusion 24a and the auxiliary handle 16,
The tip portion of the hook lever 11 cannot be detached from the receiving shaft 10 from the outside, and the handle 3 cannot be operated.

The worker is enclosed in the fixed frame 6, and the handle 3 is locked by the lock unit 23 and the lock plate 24 as described above.
When locked by the operator, the operator inserts the inner operating rod 22 through the through hole 21 in the bottom wall of the case 2, and the tip of the inner operating rod 22 inserts the passive end 11a of the hook lever 11 into the passive operating portion 11a.
You can press directly. By the pushing operation of the inner operating rod 22, the hook lever 11 rotates about the pivot shaft 13 against the bias of the spring 14, and the tip end portion of the hook lever 11 separates from the receiving shaft 10 to handle the case 2. The restraint of 3 is also released. Here, the inner operating rod 22 is pushed further to push the handle 3 at the passive end 11a of the hook handle 11.
Push the back of the to push the handle 3 out of the case 2,
The lock shaft 5 rotates in the unlocking direction. Since the latch 8 is disengaged from the receiving metal 7 by the rotation of the lock shaft 5, the locking and locking of the door 1 with respect to the fixed frame body 6 is released, and the locked worker immediately pushes the door 1 out from the inside and escapes. .

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION In the illustrated embodiment, a box-shaped case 2 is embedded in a door 1 and is fastened and fixed by a screw 17. The pivot 4 is inserted into a pipe retainer 27 attached to the base end of the handle 3 and temporarily fastened with a screw 28. In this state, check the latching condition of the latches 8 and the catches 7, finely adjust to the optimum state, and pivot 4, pipe presser 27
Transverse holes 19 and 20 are formed in each of the holes, and the screws 18 are permanently tightened and fixed. The lock shaft 5 is connected to an end portion of the pivot shaft 4 through an appropriate joint member, and is inserted into the door 1 or is exposed on the back side of the door 1. The lock shaft 5 is inserted into the guide fitting 12 as needed. The tip of the lock shaft 5 is arranged inside the edge frame member 15 of the door 1, and the latch 8 is fitted and fixed to the tip. Receipt 7
Is fixed to the front side of the container body 6 by screws or welding, but is hidden behind the edge frame member 15 when the door 1 is closed. The coil portion of the biasing spring 14 formed of a winding coil spring is fitted to the pivot shaft 13, and the coil portion of the biasing spring 9 formed of a winding coil spring is fitted to the pivot shaft 4.

On the back side of the bottom of the case 2, there is a through hole 21.
A guide board 25 is provided coaxially with. It is desirable to always insert the inner operating rod 22 into the central hole 25a of the guide board 25 so that the inner operating rod 22 can be used immediately without looking for it in an emergency. In addition, to prevent the escape of cold air, the information board 2
It is desirable that the whole of 5 is surrounded by a conical cylindrical bellows body 26, and the tip end of the bellows body 26 is airtightly attached to the inner operating rod 22. A compression coil spring for urging the return can be accommodated in the bellows body 26. When the container body 6 is fully equipped with an internal light and the location of the inner operating rod 22 can be immediately confirmed, the inner operating rod 22 can be always removed from the guide panel 25.

[0012]

As described above, in the door lock handle device according to the first aspect of the present invention, the base end portion of the handle 3 is pivotally attached to the case 2 embedded and fixed to the door 1 by the pivot 4, and the lock is interlocked with the pivot 4. The shaft 5 is embedded in the door 1, and the lock shaft 5 is provided with a latch 8 for engaging with and disengaging from the lock 7 on the side of the fixed frame 6, and the lock shaft 5 and the tip of the lock shaft 10 protruding from the bottom wall of the case 2. A hook lever 11 whose part is engaged and disengaged, and an auxiliary handle 16 which engages with the base end of the hook lever 11 are pivotally attached to the handle 3 together by a pivot 13, and a spring 14 causes the hook lever 11 to move.
By rotating and urging the door in the direction of engaging the receiving shaft 10, the front surface of the door 1 such as a container can be simplified and finished in a neat design, and the lock shaft 5 can be used for other objects when the door 1 is opened. Since there is no possibility of a collision with the lock shaft 5, the lock shaft 5 is always deformed and deformed at night without malfunctioning and always operates smoothly. Since the lock unit 23 is provided in the middle portion of the handle 3 and the lock plate 24 is fixed to the rotor of the lock unit 23, after the door 1 is locked and locked to the fixed frame body 6, the rotor of the lock unit 23 is locked. To the locked position,
By engaging the stop projection 24a of the lock plate 24 with the auxiliary handle 16, the handle 3 can be firmly locked to the case 2, and theft of luggage can be prevented accurately.

In the door lock handle device according to the second aspect,
When the handle 3 is locked in the fixed frame body 6 and the handle 3 is locked by the lock unit 23 and the lock plate 24, the inside operation rod 22 inserted from the through hole 21 in the bottom wall of the case 2 hooks. Since the distal end of the hook lever 11 is separated from the receiving shaft 10 by pushing the passive end 11a of the lever 11, the handle 3 and the lock shaft 5 can be rotated in the unlocking direction by further pushing the inner operating rod 22. The person who is trapped can unlock the door 1 by himself and immediately escape.

[Brief description of drawings]

FIG. 1 is a front view of a main part of a container to which a door lock handle device according to an embodiment of the present invention is attached.

FIG. 2 is a front view of the door lock handle device.

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

4 is a sectional view taken along line BB of FIG.

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

FIG. 6 is a vertical cross-sectional view of the lock handle device for a door in which a through hole in a bottom wall of a case is equipped with an inner operating rod.

[Explanation of symbols]

 1 door 2 case 3 handle 4 pivot 5 lock shaft 6 fixed frame 7 receiving 8 latch 9 spring 10 receiving shaft 11 hook lever 12 guide metal fitting 13 pivot 14 spring 15 edge frame 16 auxiliary handle 17 screw 18 screw 19 transverse hole 20 Cross hole 21 Through hole 22 Inner operation rod 23 Lock unit 24 Lock plate 25 Guide plate 26 Conical cylinder bellows body 27 Pipe retainer 28 Screw

Claims (2)

[Claims] 1. A base 2 of a handle 3 is pivotally attached to a case 2 which is embedded and fixed in a door 1 by a pivot 4, and a lock shaft 5 which interlocks with the pivot 4 is embedded in the interior of the door 1. 5 is provided with a latch 8 that engages and disengages with the receiving metal 7 on the side of the fixed frame body 6, a receiving shaft 10 protruding from the bottom wall of the case 2, a hook lever 11 with which the tip portion engages and disengages, and a base of the hook lever 11. An auxiliary handle 16 that engages with an end is pivotally attached to the handle 3 by a pivot 13, and a spring 14 urges the hook lever 11 to rotate in a direction of engaging the receiving shaft 10, and a lock unit is provided at an intermediate portion of the handle 3. 23, a lock plate 24 that interlocks with the rotor of the lock unit 23 is provided, and a locking protrusion 24a that prevents the movement of the auxiliary handle 16 when the rotor of the lock unit 23 is turned to the locked position is provided on the lock plate 24. , Handle 3 with spring 9 A door lock handle device that is urged to rotate in the direction in which it retracts. 2. A through hole 21 is provided in a bottom wall portion of the case 2, the case 2 is inserted into the case 2 through the through hole 21, and a distal end portion of the hook lever 11 pushes a passive end portion 11a of the hook lever 11.
The door lock handle device according to claim 1, further comprising an inner operation rod 22 provided inside the door 1 for rotating the distal end portion in a direction in which the tip portion is separated from the receiving shaft 10.