JP2002030834A - Outside handle of back door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outside handle of a back door for reducing parts manufacturing cost and assembling manhours without having influence on an operation feeling by forming a lock shaft for locking the back door as a through single shaft, housing the lock shaft in the back door for improving an external appearance, arranging a lever having a hook part for engaging with a striker on the outside handle, and reducing the number of related operation part items. SOLUTION: In a hinged double back door, this outside handle fixed to the lock shaft arranged in the vertical direction inside the back door, has the lever freely rotatable around a rotary shaft arranged on the outside handle and having the hook part for engaging with the striker oppositely arranged on an inner panel and a spring arranged on the inner panel and energizing the lever in the striker direction, and the hook part is composed of a can shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the technical field of an outside handle of a locking vertical axis lock shaft housed in a vertical axis hinged openable back door of a truck luggage compartment.

[0002]

2. Description of the Related Art FIGS. 9 to 11 show a conventional structure for locking a longitudinally hinged open / close back door of a truck luggage compartment. FIG. 9 shows a perspective view of the rear part of the truck luggage compartment having a panel structure. Door hooks 21 are provided at the upper end and lower end of each of the right and left back doors of the double door, and engage with catchers 22 provided at corresponding luggage compartments to lock the back doors. FIG. 10 shows the operation status of the part B in FIG. The door hook 21 is fixed to a vertical axis connected to the handle 18, and the handle 18 is pulled toward the user to rotate the vertical axis, whereby the door hook 21 rotates and the catcher 22 is rotated.
The back door can be opened. When the handle 18 is returned to the original position after closing the back door, the door hook 21 is engaged with the catcher 22 and the back door is locked. Before pulling the handle 18 forward, the release lever 18a is grasped and the fixing mechanism of the handle 18 is released.

FIG. 11 shows the internal structure of a conventional back door lock. The lock shaft for operating the door hook 21 is divided into two parts, an upper lock shaft 19 and a lower lock shaft 20, connected to a handle 18 by a joint 24, and simultaneously rotated in the same direction by the handle 18. The handle spring 28 is moved to the handle 1 so that the handle 18 returns to the closed position.
8 above and below. In order to mechanically secure the handle 18 in the closed position, the striker 23 engages inside the handle 18 in the closed position of the handle 18. The striker 23 is provided on the body 30, and the body 30 is fixed to the back door outer plate to bear the closing reaction force of the handle spring 28 of the handle 18 and the engagement reaction force of the striker 23, as well as the upper lock shaft 19 and the lower lock shaft. 20 door hook operation reaction force. The cover 27 covers the body 30 to organize the appearance and secure a manual operation space around the handle 18.

When opening the back door from the closed state,
Hold the release lever 18a and move it until the engagement with the striker 23 is released. Once opened, handle 1
8 returns to the handle spring 28 closed position. In order to lock the handle 18 in the closed position, the release lever 18a is not moved by the key 29 with respect to the handle 18.

[0005]

As described above, since the rotating shaft for engaging the door hook 21 with the catcher 22 is divided into the lock shaft upper portion 19 and the lock shaft lower portion 20, the connection with the handle 18 is performed. The structure of the part becomes complicated. In addition, since the striker 23 does not move the release lever 18a when the handle 18 returns to the original position, the handle 18 has a built-in mechanism, so that the structure of the handle 18 is complicated. Further, a body 30 capable of bearing the operation reaction force of the lock shafts 19 and 20 for engaging the door hook 21 with the catcher 22, the operation reaction force of the release lever 18a, and the reaction force of the handle spring 28 is securely fixed to the back door. In order to secure the safe manual operation space 18, a cover 27 separate from the body 30 is required. For this reason, the number of related parts increases, the parts manufacturing cost and the number of man-hours for assembling and adjusting increase, which is uneconomical.

Accordingly, the present invention provides a lock shaft for locking a back door, which is formed as a single shaft. The lock shaft is housed in the back door to improve the appearance, and a hook portion which engages with a striker on an outside handle. With a lever having
It is an object of the present invention to provide an outside handle of a back door in which the number of related operation parts is reduced and the manufacturing cost and the number of assembly steps are reduced without affecting the operational feeling.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to an outside handle which is fixed to a lock shaft vertically arranged inside a back door in a double door type back door. A lever having a hook portion rotatable around a rotation axis provided on the outside handle and engaging with a striker provided on the inner panel facing the same, and the lever are provided on the inner panel. A spring biasing in a striker direction, wherein the hook portion has a cam shape.

[0008]

FIG. 1 is a perspective view of a back door according to an embodiment of the present invention and lock-related parts to be assembled. The back door 9 incorporates the lock shaft 6 as a main component for operation. The lock shaft 6 passes through the inside of the end of the back door 9, and door hooks 15 are connected to both ends. Catcher 1 at a position opposite to the door hook 15 in the truck luggage compartment
When the lock shaft 6 is rotated by approximately 90 degrees in the closed position of the back door 9, the door hook 15 is engaged with the catcher 16 and the back door 9 is locked with respect to the truck luggage compartment. The rotation operation of the lock shaft 6 is performed by horizontally swinging the handle 2 fixed to the lock shaft 6, and the operation reaction force at this time is borne by the upper bearing portion 13 and the lower bearing portion 14. The reaction force of the lock shaft return spring 6b when the hand is released from the handle 2 is also directly borne by the back door 9.

In order to ensure safe manual operation around the handle 2, the hand recess cover 7 is attached to the outer plate 1 of the back door 9.
0 is attached to the portion of the cover hole 11 provided. The handle 2 rotates the lock shaft 6 to rotate the door hook 1.
After locking the back door 9 with the catcher 5 and the catcher 16, a locking function is added to the lever 1 fixed to the handle 2 at the closed position in the hand recess cover 7 so that the back door 9 is not moved accidentally and unlocked accidentally. The hook 3 is mechanically locked by providing the hook 3. When the back door 9 is unlocked, the mechanical lock is released by manually operating the lever 1 by pushing the lever 1 with a finger so that the handle 2 can be operated. The hand recess cover 7 penetrates the lock shaft 6 simply by loose fitting, and does not bear a reaction force for opening and closing the back door 9. FIG. 2 is a perspective perspective view showing an internal structure in which an operation mechanism around the lock shaft 6 of FIG.

FIG. 2 shows a state in which the handle 2 is horizontally swung substantially 90 degrees and the back door 9 is unlocked. When the handle 2 is in the closed position as shown in FIG.
The hook 3 fixed to the lever 1 is engaged with the striker 4 fixed inside the inner panel, and the handle 2 is locked in the closed position. The hook 3 fixed to the lever 1 may be formed integrally or may be formed separately. Before the opening operation as shown in FIG. 2, the lever 1 is manually pushed in and operated to release the engagement between the hook 3 and the striker 4. The reaction force between the hook 3 and the striker 4 is borne by the outer plate 10 of the back door 9 via the striker 4 and the handle 2.

FIG. 3 is a front external view showing the relationship between the lever 1 and the handle 2, and FIG. 4 is a sectional view taken along the line AA in FIG. The hook 3 is fixed to the lever 1 and engaged with the striker 4.
The striker 4 is fixed inside the inner panel of the back door 9. The hook 3 is fitted to a bracket 2a constituting a part of the handle 2 by a lever shaft 1a so that it can swing horizontally.
When the lever 1 is not operated and the handle 2 is in the closed position, the hook 3 always returns to the position of engaging with the striker 4 in the direction of the striker 4 by the biasing force of the return spring 5. I have. FIG. 5 is an external perspective view when the handle 2 is in the closed position.

FIG. 6 is a plan view of components related to the rotation operation of the lock shaft 6 when the lever 1 is in the closed position. Lever 1
The hook 3 and the hook 3 are disposed on the handle 2 via the lever shaft 1a, so that the handle 3 can rotate around the lever shaft 1a. The hook 3 is returned by the return spring 5 to an angle at which the hook 3 engages with the striker 4. The striker 4 is fixed to the inner panel surface of the back door 9 by a striker bolt 4a, and transmits the reaction force of the engagement to the outer plate 10. The handle 2 is fixed to the lock shaft 6 by a lock shaft bolt 6a, and performs a rotating operation for locking and unlocking the back door 9. The hand recess cover 7 is fixed to the outer plate 10 to form a safe operation space around the handle 2 and to prevent foreign matter or the like from entering the inside of the outer plate 10. No reaction force is applied to the hand recess cover 7 when the lock shaft 6 and the hook 3 are engaged.

FIG. 7 is a plan view when the lever 1 is manually operated to release the hook 3 from the striker 4. By pushing the end of the lever 1, the hook 3 moves the lever shaft 1.
It rotates clockwise around a from the top and is released from the striker 4. In this state, when the handle 2 is rotated counterclockwise when viewed from above, the lock shaft 6 is rotated to unlock the back door 9. In FIG. 7, after the lever 1 is once pushed with the thumb or the like to release the hook 3, when the finger is released, the return spring 5 causes the lever 1 to return to the original position with respect to the handle 2 as shown.

FIG. 8 is a plan view showing a state in which the handle 2 is fully opened and the lock shaft 6 unlocks the back door 9. When the user releases the handle 2 in this state, the handle 2 returns to near the fully closed position by the lock shaft return spring 6b shown in FIGS. The handle 2 is manually turned by rotating the handle 2 to a full open position of about 90 degrees to lock the back door 9.
And push the door hook 15 to the catcher 1 on the luggage room side.
When the handle 2 is returned to the fully closed position by touching
The striker 4 hits the cam surface 3b of the hook 3 shown in FIG. 8, giving the lever 1 clockwise rotation about the lever shaft 1a, and the hook 3 gets over the striker 4 and engages with the striker 4.

FIG. 6 is a plan view when the handle 2 is locked at the fully closed position. The end 2d of the plate 2c that rotates about the key cylinder lock 2b fixed to the hand recess cover 7 engages with the notch 3a of the hook 3, thereby preventing the rotation of the hook 3 and the hook 3 and the striker 4.
Is disengaged, so that the handle 2 is mechanically locked in this position.

[0016]

The present invention has the following advantages. 1) By using a single lock shaft for locking and unlocking the upper and lower portions of the back door, the connection structure with the operating handle is simplified by bolting.
In addition, since the centering of the lock shaft is facilitated, the number of parts and the cost of parts can be reduced. 2) Since the operation reaction force of the lock shaft and the handle position locking reaction force are directly borne by the back door outer plate, the case for securing the operation space around the handle is lightweight, the mounting structure is simplified, and the parts management cost is reduced. In addition, the number of assembling steps can be reduced.

[Brief description of the drawings]

FIG. 1 is a three-dimensional perspective view showing the relationship between components of a back door locking structure according to an embodiment of the present invention.

FIG. 2 is a three-dimensional perspective view of the embodiment with the back door unlocked.

FIG. 3 is an assembled side view of a handle and a lever.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a three-dimensional perspective external view of a handle closed state.

FIG. 6 is a plan view of a structure around a handle in a handle closed position.

FIG. 7 is a plan view of the structure around the handle when the engagement between the hook and the striker is released.

FIG. 8 is a plan view of a structure around the handle when the handle is in a fully open position.

FIG. 9 is an external perspective view of a conventional back door.

FIG. 10 is an enlarged view around a portion B in FIG. 9;

FIG. 11 is a three-dimensional perspective view showing a related art back door locking structure component.

[Explanation of symbols]

 Reference Signs List 1 lever 1a lever shaft 2 handle 2a bracket 2b lock 2c plate 2d end 3 hook 3a cutout 3b cam surface 4 striker 4a striker bolt 5 return spring 6 lock shaft 6a lock shaft bolt 6b lock shaft return spring 7 hand recess cover 9 Back door 10 outer plate 11 cover hole 13 upper bearing part 14 lower bearing part 15 door hook 16 catcher

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E05B 65/16 E05B 65/16 E05C 9/08 E05C 9/08 (72) Inventor Toshiya Kano Fujisawa-shi, Kanagawa 2023 Endo No.18 Isuzu Motor Corporation Shonan Development Center F-term (reference) 2E250 AA21 HH05 JJ00 KK01 LL05 MM04 NN04 PP04 PP12 PP15 QQ01 QQ09

Claims (2)

[Claims] 1. An outside handle which is fixed to a lock shaft vertically arranged inside a back door, wherein the outside handle is a pivotable door provided on the outside handle. It is characterized by comprising a lever having a hook portion freely and opposingly engaging a striker provided on the inner panel, and a spring biasing the lever in the striker direction provided on the inner panel. And outside handle. 2. The outside handle according to claim 1, wherein the hook portion has a cam shape.