JP3824205B2 - Door lock release prevention mechanism in automobiles - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a door lock in an automobile that prevents the door from being unlocked unexpectedly when an object collides from the outside of the vehicle body with a door that is closed to the vehicle body by closing the door opening. The present invention relates to a release prevention mechanism.
[0002]
[Prior art]
Conventionally, some automobiles are configured as follows.
[0003]
That is, usually, a door opening is formed in the body of an automobile, and a door is provided to close the door opening so as to be freely opened and closed. The door extends along the outer surface of the door, and a bar-shaped handle pivotally supported by the door so as to be movable forward and backward, and the door is detachably locked to the vehicle body. There are provided locking means and a link mechanism for interlockingly connecting the locking means to the handle.
[0004]
The link mechanism moves forward in conjunction with the forward rotation of the handle, and the locking means interlocks with the forward movement of the link mechanism to release the locked state by the locking means. The door can be opened by releasing the locked state.
[0005]
Conventionally, there is a handle described in Japanese Utility Model Laid-Open No. 4-42563, and this handle can be moved back and forth from the door side toward the outside of the vehicle body.
[0006]
[Problems to be solved by the invention]
By the way, when the door closes the door opening and is locked to the vehicle body, such as when the car is running, when an object collides with the door from the outside and the door is greatly deformed by the impact force A part of the deformed door comes into contact with the link mechanism and moves it forward, which may cause the locking state to be released unexpectedly.
[0007]
The present invention has been made paying attention to the above-described circumstances, such as when a certain object collides with the door from the outside in a state where the door is closed to the door and locked to the vehicle body. When the door is subjected to an impact force from the outside, the door locking state with respect to the vehicle body is not released unexpectedly, the door opening is held closed, and It is an object to achieve this with a simple configuration.
[0008]
[Means for Solving the Problems]
The door lock release prevention mechanism in the automobile of the present invention for solving the above problems is as follows.
[0009]
According to the first aspect of the present invention, the door 1 that closes the door opening formed in the vehicle body so as to be openable and closable extends along the outer surface of the door 1 and can be moved forward and backward A and B. A bar-shaped handle 7 that is pivotally supported, a locking means 21 that detachably locks the door 1 with respect to the vehicle body, and a link mechanism 22 that interlocks the locking means 21 with the handle 7. The link mechanism 22 moves forward C in conjunction with the forward rotation A of the handle 7, and the locking means 21 interlocks with the forward movement C of the link mechanism 22 to lock by the locking means 21. Let the state be released ,
[0010]
The door 1 includes outer and inner panels 3 and 4 that face each other in the width direction W of the vehicle body, extends along the back surface of the outer panel 3, and is located near the handle 7 in a side view of the vehicle body. In an automobile provided with a handle base 32 attached to the outer panel 3 to reinforce a portion ,
[0011]
When the door 1 is deformed toward the inward side of the vehicle body by applying an impact force F from the outside of the vehicle body, the movement of the link mechanism 22 in the movement locus 38 during the forward movement C is accompanied by the deformation of the door 1. A restricting means 39 for entering and restricting the forward movement C of the link mechanism 22 is provided ,
[0012]
The handle base 32 that faces the movement locus 38 of the restriction protrusion 40 during the forward movement C of the link mechanism 22 in the width direction W of the vehicle body and the restriction protrusion 40 formed on the link mechanism 22. The portion 41 and the portion 41 are configured.
[0013]
According to a second aspect of the present invention, in addition to the first aspect of the invention, the handle base 32 extends along the back surface of the outer panel 3 and is attached to the outer panel 3, and from the outer edge of the base main body 33. In the automobile provided with the flange 34 integrally projecting toward the link mechanism 22 side,
[0014]
A portion 41 of the handle base 32 facing the movement locus 38 of the restricting projection 40 in the width direction W of the vehicle body is constituted by the flange 34 portion.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0016]
In the figure, reference numeral 1 denotes a door that closes a door opening formed on the side of a vehicle body so as to be freely opened and closed, and an arrow Fr indicates the front of the vehicle body.
[0017]
The door 1 includes a door main body 2 constituting a lower portion thereof, and a door window (not shown) constituting the upper portion of the door 1 and supported by the door main body 2.
[0018]
The door body 2 includes a sheet metal outer panel 3 and an inner panel 4 which face each other in the width direction W of the vehicle body (same as the width direction W of the door 1) and are fixed to each other. A space 5 is formed between them.
[0019]
In the vicinity of the outer surface of the outer panel 3 of the door 1, a rod-shaped handle 7 extending along the outer surface and extending substantially horizontally in the front-rear direction is provided. The other end portion 9 which is the front end portion of the handle 7 is the outer panel so that the one end portion 8 side which is the rear end portion in the longitudinal direction of the handle 7 moves toward the outer side of the vehicle body and can be rotated backward and backward. 3 is pivotally supported by a pivotal support tool 10, and a midway portion in the longitudinal direction of the handle 7 is used as an operator grip 11.
[0020]
A concave portion 12 that is recessed toward the inner panel 4 side is formed in the portion of the outer panel 3 that faces the grip portion 11 in the width direction W of the vehicle body in order to facilitate a grip operation to the grip portion 11. Yes. The recess 12 is press-molded and has a spherical shape, and thus the recess 12 in the vicinity of the handle 7 is given greater strength and rigidity.
[0021]
The pivot support 10 protrudes from the other end 9 of the handle 7 and a base 16 fastened by a fastener 15 to a portion of the outer panel 3 facing the other end 9 of the handle 7 in the width direction W of the vehicle body. And a pivot arm 19 pivotally supported by a pivot shaft 18 having a longitudinal axis 17 with respect to the base portion 16, and the handle 7 is moved forward and backward around the axis 17. , B. In this case, the pivot shaft 18, and the base 16 and the pivot arm 19 that are pivotally supported by the pivot shaft 18 are disposed in the space 5.
[0022]
A known locking means 21 is provided for releasably locking the door 1 to the opening edge of the door opening formed in the vehicle body, and a link mechanism 22 for interlockingly connecting the locking means 21 to the handle 7. The link mechanism 22 is disposed in the space 5.
[0023]
The link mechanism 22 includes a bracket 24 fastened by a fastener 23 to a portion of the outer panel 3 facing the one end 8 of the handle 7 in the width direction W of the vehicle body, and an axis 25 extends in the front-rear direction of the bracket 24. An interlocking arm 27 pivotally supported by a pivot shaft 26 and having one end thereof interlockingly connected to one end 8 of the handle 7 and an upper end extending in the vertical direction are connected to the other end of the interlocking arm 27. And a link 28 connected at the lower end to the locking means 21.
[0024]
The link mechanism 22 includes a spring (not shown) that rotates the interlocking arm 27 in one direction, and the handle 7 is joined to the outer surface along the outer surface of the outer panel 3 by the spring. It is located at the original position (solid line in each figure).
[0025]
As shown by a two-dot chain line in FIGS. 1 and 2, when an operating external force is applied to the handle 7 to move it forward A, the interlocking arm 27 and the link 28 of the link mechanism 22 move forward in conjunction with this. C, and the locking means 21 is interlocked with the forward movement C of the link mechanism 22 so that the locked state by the locking means 21 is released. With this release, the door 1 is opened. Operation is enabled.
[0026]
When the operation external force to the handle 7 is released, the interlock arm 27 is rotated in one direction by the spring, that is, moved backward D, and the handle 7 is rotated backward B in conjunction with this to return to the original position. While returning to the position, the interlocking arm 27 also moves backward D. Then, the locking means 21 is interlocked with the backward movement D of the link mechanism 22, and the locking means 21 enables the door 1 to be locked again. At this time, when the door 1 is closed while the door 1 is open, the door 1 is automatically locked by the locking means 21 simultaneously with closing the door opening.
[0027]
A sheet metal handle base 32 attached to the outer panel 3 is provided so as to reinforce the portion of the outer panel 3 in the vicinity of the handle 7 in a side view of the vehicle body. The handle base 32 is provided by the fasteners 15 and 23. The outer panel 3 is fastened together and attached.
[0028]
The handle base 32 extends in the vicinity of the back surface of the portion of the outer panel 3 including the concave portion 12 and is attached to the outer panel 3 from the outer periphery of the base body 33 and the upper and lower ends of the base body 33. In the width direction W of the vehicle body, reinforcing flanges 34 and 35 projecting integrally toward the link 28 side of the link mechanism 22 are provided. The base body 33 has a spherical portion that fits outside the concave portion 12, and the spherical portion and the flanges 34 and 35 improve the strength and rigidity of the handle base 32.
[0029]
In the above configuration, when the door 1 is given an impact force F from the outside of the vehicle body and the outer panel 3 of the door 1 is deformed toward the inside of the vehicle body, as shown by a dashed line in FIG. With the deformation of the outer panel 3 of the door 1, a restricting means 39 is provided that enters the movement locus 38 during the forward rotation A of the link mechanism 22 and restricts the forward rotation A of the link mechanism 22.
[0030]
In all the drawings, the restricting means 39 includes a restricting protrusion 40 formed on the link mechanism 22 and protruding toward the outer panel 3 side, and a movement locus of the restricting protrusion 40 during the forward movement C in the width direction W of the vehicle body. It is comprised in the vicinity of 38 and the part 41 of the said handle base 32 which opposes this movement locus | trajectory 38.
[0031]
The restricting protrusion 40 protrudes upward from the upper end portion of the link 28, and the protruding end protrudes toward the outer panel 3 side. Further, the portion 41 of the handle base 32 is constituted by a portion of the flange 34 on the upper side of the handle base 32 that faces the movement locus 38 of the restricting projection 40 in the width direction W of the vehicle body.
[0032]
According to the above configuration, when the door 1 is deformed toward the inner side of the vehicle body by applying an impact force F from the outer side of the vehicle body, the link mechanism 22 is moved during the forward movement C along with the deformation of the door 1. A restricting means 39 is provided to enter the movement locus 38 and restrict the forward movement C of the link mechanism 22.
[0033]
Therefore, when the door 1 closes the door opening and is locked to the vehicle body, when an object collides with the door 1 from the outside, an impact force F is applied to the door 1 from the outside. When given, when the door 1 is deformed toward the inner side of the vehicle body, as described above, the restricting means 39 enters the movement locus 38 during the forward movement C of the link mechanism 22, and this link The forward movement C of the mechanism 22 is restricted (a chain line in FIG. 1).
[0034]
Therefore, as described above, even when the impact force F is applied to the door 1 from the outside, the door 1 is prevented from being unexpectedly released from the locked state, and the door opening is closed. Is held.
[0035]
Further, as described above, the door 1 includes the outer and inner panels 3 and 4 that face each other in the width direction W of the vehicle body, extends along the back surface of the outer panel 3, and is close to the handle 7 in a side view of the vehicle body. In the case of providing the handle base 32 attached to the outer panel 3 so as to reinforce the portion of the outer panel 3 that is positioned, the restricting means 39 includes the restricting protrusion 40 formed on the link mechanism 22 and the width direction W of the vehicle body. And the portion 41 of the handle base 32 facing the movement locus 38 of the restriction projection 40 during the forward movement C of the link mechanism 22.
[0036]
For this reason, the portion 41 of the handle base 32 that reinforces the portion of the outer panel 3 located in the vicinity of the handle 7 is used as the restricting means 39. Therefore, as described above, the engagement of the door 1 with respect to the vehicle body. Preventing the stop state from being released unexpectedly can be achieved with a simpler configuration by using the handle base 32.
[0037]
Further, as described above, the handle base 32 extends along the back surface of the outer panel 3 and the base main body 33 to which the outer panel 3 is attached, and the outer edge of the base main body 33 toward the link mechanism 22 side. In this case, the portion 41 of the handle base 32 that faces the movement locus 38 of the restricting projection 40 in the width direction W of the vehicle body is constituted by the portion of the flange 34.
[0038]
For this reason, as described above, since the flange 34 protrudes toward the link mechanism 22 side, the protruding dimension of the restricting protrusion 40 can be reduced. Therefore, also in this respect, the locking state of the door 1 with respect to the vehicle body is unexpected. It is achieved with a simpler configuration that the release is not performed.
[0039]
【The invention's effect】
The effects of the present invention are as follows.
[0040]
According to the first aspect of the present invention, a door for closing the door opening formed in the vehicle body so as to be openable and closable extends along the outer surface of the door, and is pivotally supported by the door so that it can be rotated forward and backward. Handle, a locking means for detachably locking the door with respect to the vehicle body, and a link mechanism for interlockingly connecting the locking means to the handle. The link mechanism moves forward, and the locking means is interlocked with the forward movement of the link mechanism so that the locking state by the locking means is released ,
[0041]
The outer panel includes an outer panel and an inner panel that face each other in the width direction of the vehicle body, extend along a rear surface of the outer panel, and reinforce a portion of the outer panel located near the handle in a side view of the vehicle body. In a car with a handle base that can be attached,
[0042]
When the door is subjected to an impact force from the outside of the vehicle body and deforms toward the inward side of the vehicle body, the door moves into the movement trajectory during the forward movement of the link mechanism along with the deformation of the door. There is a restricting means for restricting the forward movement.
[0043]
Therefore, when the door is closed to the door and locked to the vehicle body, when an impact is applied to the door from the outside, such as when an object collides with the door from the outside. In addition, when the door is deformed toward the inner side of the vehicle body, as described above, the restricting means enters the movement trajectory during the forward movement of the link mechanism and restricts the forward movement of the link mechanism.
[0044]
Therefore, as described above, even when an impact force is applied to the door from the outside, the door is prevented from being unexpectedly released from being locked, and the door opening remains closed. Retained.
[0045]
Further, the restricting means comprises a restricting projection formed on the link mechanism and a portion of the handle base that faces the movement locus of the restricting projection during the forward movement of the link mechanism in the width direction of the vehicle body. Yes.
[0046]
For this reason, the portion of the handle base that reinforces the portion of the outer panel located in the vicinity of the handle is used for the restricting means. Therefore, as described above, the door locked state with respect to the vehicle body is unexpectedly released. This is achieved with a simpler configuration by using the handle base.
[0047]
According to a second aspect of the present invention, the handle base extends along the back surface of the outer panel, and a base main body to which the outer panel is attached, and a flange that integrally projects from the outer edge of the base main body toward the link mechanism side. In a car with
[0048]
The portion of the handle base that faces the movement locus of the restricting projection in the width direction of the vehicle body is constituted by the flange portion.
[0049]
For this reason, as described above, since the flange protrudes toward the link mechanism side, the projecting dimension of the restricting projection can be reduced. Therefore, also in this respect, the door locked state with respect to the vehicle body is not unexpectedly released. This is achieved with a simpler configuration.
[Brief description of the drawings]
1 is a cross-sectional view taken along line 1-1 in FIG. 2;
FIG. 2 is a plan partial sectional view.
3 is a view taken along line 3-3 in FIG. 2;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Door 3 Outer panel 4 Inner panel 5 Space 7 Handle 8 One end part 9 Other end part 10 Pivoting tool 11 Grip part 12 Recessed part 21 Locking means 22 Link mechanism 32 Handle base 33 Base main body 34 Flange 38 Moving track 39 Restricting means 40 Restriction Projection 41 Part A Forward rotation B Reverse rotation C Forward movement D Reverse movement F Impact force W Width direction

Claims (2)

A door that closes the door opening formed in the vehicle body so as to be openable and closable extends along the outer surface of the door. A locking mechanism for detachably locking the door; and a link mechanism for interlockingly connecting the locking means to the handle. The link mechanism moves forward in conjunction with the forward rotation of the handle. The locking means is interlocked with the forward movement of the link mechanism so that the locking state by the locking means is released ,
The outer panel includes an outer panel and an inner panel that face each other in the width direction of the vehicle body, extend along a back surface of the outer panel, and reinforce a portion of the outer panel positioned near the handle in a side view of the vehicle body. In a car with a handle base that can be attached,
When the door is subjected to an impact force from the outside of the vehicle body and deforms toward the inward side of the vehicle body, the door moves into the movement trajectory during the forward movement of the link mechanism along with the deformation of the door. provided limiting means for limiting the above forward movement,
On SL regulating means is constituted by a regulating protrusion formed on said link mechanism, in the vehicle width direction and the moving locus opposite to the handle base portions of the regulating projections upon forward movement of the link mechanism itself Door lock release prevention mechanism for moving vehicles. In the automobile, the handle base includes a base body that extends along the back surface of the outer panel and is attached to the outer panel, and a flange that integrally protrudes from the outer edge of the base body toward the link mechanism.
2. The door lock release prevention mechanism according to claim 1 , wherein a portion of the handle base facing the movement locus of the restricting projection in the width direction of the vehicle body is formed of the flange portion.

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