JPH07317410A - Rear door opening regulator for vehicle - Google Patents

Abstract

PURPOSE:To make it possible to keep a back door open and unlock the door in one touch motion. CONSTITUTION:A stopper arm 4, which turns, responding to the opening/closing of a rear door 4, is installed in which one end of the stopper arm is pivoted to the side of a pivot of a rear door 2 which is pivoted to an opening on the rear part of a chassis 1 on both ways in such a fashion that it may be opened freely while the other end of the stopper arm 4 is pivoted to a chassis on a pivot side of the rear door 2 and one pivot of this stopper arm 4 is designed to consist of a pin 7 installed to the side of the stopper arm 4 and a sliding groove 8, which allows the movement of the pin 7 responding to the opening/ closing of the rear door 2. The depth of cut is formed on the sliding groove 8, which is engaged with the pin 7 during the maximum opening of the rear door 2. A spring 6 and a remote control mechanism are installed to the stopper arm 4 in which the spring 6 is designed to energize the pin 7 so as to engaged with the cut and the remote control mechanism is operable from outside and acts on the pin 7 so that it may bet removed from the depth of cut.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back door opening regulating device for regulating the opening of a back door in a vehicle provided with a double door or a single back door, particularly in a box type vehicle for luggage or cold storage. It is a thing.

[0002]

2. Description of the Related Art The vehicle of this type described above is provided with a back door opening regulating device which is conventionally referred to as an open stopper for regulating the movement of the back door at the maximum opening. For example, Japanese Utility Model Laid-Open No. 63-30564 discloses a back door opening degree control device having a simple structure.

The back door opening regulating device disclosed in the above publication has a rear opening 1 as shown in FIG.
A restriction member 104 having a long hole 103 is fixed to the floor of No. 02, and the restriction member 104 and the inner surface of the back door 105 are connected by an arm member 106 formed in a crank shape. One end of the arm member 106 is engaged so that it can move along the long hole 103 (see the engaging portion 106A), and the other end is pivotally supported by the pivot member (the pivot portion 10A).
6B). A locking hole is formed at one end of the long hole 103, and one end of the arm member 106 projects into this locking hole at the maximum opening of the back door 105, so that the back door 105 is maintained at the maximum opening state. It is something.

In this backdoor opening control device, if the backdoor 105 reaches the maximum opening simply by opening the backdoor 105, the engaging portion 106A at one end of the arm member 106 engages with the locking hole. The state of the maximum opening degree of the back door 105 can be maintained by a simple operation. When closing the opened back door 105, the arm member 106
The back door 105 is closed after the engaging portion 106A at one end is manipulated to be disengaged from the locking hole and the engaging portion 106A at one end of the arm member 106 is slidable along the elongated hole 103. This operation often requires shaking the arm member 106 and the back door 105, which is a complicated and troublesome operation. In particular, in the case of temporarily stopping and quickly loading and unloading luggage, it is often troublesome to set the engaging portion 106A of the arm member 106 to a position where it can slide along the elongated hole 103.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention has been made to solve the above-mentioned problems of the prior art, and the object thereof is to maintain the opening of the back door and release the opening maintenance with one touch. In other words, the object is to obtain a backdoor opening degree control device for a vehicle, which is capable of quickly opening and closing the backdoor with a simple configuration.

[0006]

In order to achieve the above object, the present invention according to claim 1 is such that one end of the back door is pivotally attached to the rear opening of the vehicle body so as to be openable and closable in the left-right direction, and is closer to the pivot side. A stopper arm that is pivotally supported and the other end of which is pivotally supported with respect to the vehicle body on the pivotally attached side of the back door and that rotates in response to opening and closing of the back door is provided. It consists of a pin provided on the arm side and a slide groove that slidably engages and allows the pin to move according to the opening and closing of the back door. A notch that engages with the pin at certain times is formed, and a spring that urges the stopper arm in the direction that engages the notch and a remote operation that allows external operation that exerts a force in the direction that pulls the pin out of the notch Uses a mechanism That.

In order to achieve the above object, the invention of claim 2 is such that one end is pivotally supported near the pivot side of a back door which is pivotally mounted in the rear opening of the vehicle body so as to be openable and closable in the left-right direction, and the other end is pivotally supported. Is provided with a stopper arm that is pivotally supported with respect to the vehicle body on the pivot side of the back door and that rotates in response to opening and closing of the back door, and one pivot support portion of this stopper arm is provided on the stopper arm side. It consists of a pin and a sliding groove that slidably engages and allows the pin to move according to the opening and closing of the back door. Sometimes the pin engages a notch, and the stopper arm has a spring that urges the pin in the direction that engages the notch, and a remote control mechanism that allows external operation to exert force in the direction that pulls the pin out of the notch. Adopt a means to provide

In order to achieve the above object, the invention of claim 3 employs means for providing the pivotal support part and the remote control mechanism in the means according to claim 1 or 2 on the back door side.

[0009]

In the above-mentioned means, the pin of the one pivotal support portion of the stopper arm slides in the sliding groove as the back door is opened. When the back door reaches the maximum opening, the pin is held by engaging the notch formed in the sliding groove by the spring force. As a result, the stopper arm is fixed, and the movement of the back door is restricted to the maximum opening state. If the pin is pulled out of the notch via the remote control mechanism, the fixed state of the stopper arm is released, so if the back door is moved to the closing side as it is, the back door is closed.

According to the second aspect of the present invention, in addition to the action of the first aspect, the back door can be maintained in the intermediate opening state by fixing the stopper arm, and the intermediate opening state can be released by the remote control mechanism. Then, the back door can be closed even in this state.

In the means according to claim 3, in addition to the operation according to claim 1 or 2,
Since the pivot portion and the remote operation mechanism are provided on the back door side, it is possible to connect the remote operation mechanism to an existing door handle or the like provided outside the back door as an operation portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 7 is a perspective view mainly showing the back door 2 portion of a box-type vehicle showing one embodiment of the present invention.
FIG. 4 is a perspective view of a back door 2 portion. As shown in FIG. 1, a rear portion of a vehicle body 1 of this vehicle has a rear opening portion 3 having a back door 2 pivotally supported on one side by a hinge.
The back door 2 may be a double-door type or a single-door type, but in this example, it is a double-door type, and the lower edge of the back door 2 near the pivot side and the body of the back door 2 near the pivot side. The stopper arm 4 is attached so as to straddle the inner side of the first arm 1. One end of the stopper arm 4 on the vehicle body 1 side is pivotally supported by a pin 5A so as to be pivotable in a substantially horizontal plane via a bracket 5, and a spiral spring 6 is attached to the pivotal support portion. The spiral spring 6 urges the stopper arm 4 in the clockwise direction (or the counterclockwise direction). The other end of the stopper arm 4 on the back door 2 side is configured as a pivotal support so as to be movable in the lateral direction and rotatable in a substantially horizontal plane.

The pivot portion has a guide 7 having a pin 7 which is substantially vertically planted at the end of the stopper arm 4 and a sliding groove 8 which is fixed along the lower edge of the back door 2 near the pivot side. The guide member 9 is formed with a sliding groove 8 formed in the center of the guide member 9 in the lateral direction, and the pin 7 engages from below to prevent the pin 7 from coming off. The pin 7 can slide in the sliding groove 8 along the sliding groove 8. As shown in FIG. 3, one end of the moving cable 11 of the remote operation mechanism 10 by release is fixed to the attachment portion of the pin 7 to the stopper arm 4 together with the crimping of the pin 7. When the back door 2 is closed, the pin 7 is located at the end of the sliding groove 8 on the side opposite to the pivot side. When the back door 2 is in the intermediate opening state, the pin 7 is in the intermediate position. Located at the pivot end.

As shown in FIG. 5, inward cuts 12 and 13 are formed at the middle portion of the sliding groove 8 and at the end on the pivot side so that the pin 7 can be engaged with the pivot groove 10 diagonally toward the opposite pivot side. ing. The notches 12 and 13 are formed on the inner edge of the sliding groove 8 in this embodiment in which the stopper arm 4 is biased in the clockwise direction, but when the stopper arm 4 is biased in the counterclockwise direction. Is formed on the outer edge of the sliding groove 8 and its inclination direction is also opposite to that shown in the drawing.

The remote control mechanism 10 in which one end of the moving rope 11 is connected to the stopper arm 4 rotates the end of the stopper arm 4 on the pin 7 side against the bias by the spiral spring 6 by pulling the moving rope 11. It is configured to be movable. As shown in FIG. 6, the other end of the remote control mechanism 10 is arranged inside the back door 2 and is connected to an existing door handle 21 provided outside the back door 2. One end of the door handle 21 is rotatably disposed in the handle bezel 22 as the operation portion of the remote control mechanism 10 by the support shaft 21A, and the moving piece 1 is attached to the attachment piece 21B.
The end portion 1 is tied, and the moving cord 11 of the remote control mechanism 10 is pulled by operating the door handle 21. The outlet 14 at the lower edge of the back door 2 of the remote control mechanism 10
As shown in FIG. 4, the sleeve end of the remote control mechanism 10 formed in a slit shape along the sliding groove 8 is fixed through a component that can freely move in the outlet 14.

In the back door opening restricting device having the above-mentioned structure, when the back door 2 is closed, the pin 7 of the stopper arm 4 is at the end of the sliding groove 8 on the side opposite to the pivot side, and the stopper arm 4 slides. It is in a state of being folded along the groove 8. When the back door 2 is opened, the pin 7 of the stopper arm 4 slides in the sliding groove 8 toward the end on the pivot side according to the opening degree, and the stopper arm 4 is gradually opened to open the vehicle body 1 and the back door 2. It will be in a state of intervening between and. Eventually, the pin 7 reaches the end of the sliding groove 8 on the pivot side and is biased by the spiral spring 6.
Engage 2. Here, the back door 2 is fully opened,
The fully open state is maintained by the stopper arm 4.

Since the movement of the pin 7 engaged with the notch 12 toward the sliding groove 8 side is restricted by the spiral spring 6, the stopper arm 4 is fixed and the movement of the back door 2 is restricted in the fully open state. Will be. In order to close the back door 2 in the fully opened state, the notch 1 of the pin 7
Although the engagement with 2 must be released, the operation is as simple as pulling the moving cord 11 of the remote control mechanism 10 from the outside, and can be performed with one touch.
That is, when the door handle 21 is pulled, the moving cord 11 of the remote control mechanism 10 is pulled, and the end of the stopper arm 4 on the pivotal support side rotates against the bias of the spiral spring 6,
The pin 7 comes out of the notch 12 and returns to the sliding groove 8.
As a result, the engagement state of the pin 7 with the notch 12 is released, the pin 7 of the stopper arm 4 becomes slidable in the sliding groove 8, and the back door 2 can be closed by a normal operation. Therefore, even when the user temporarily stops and loads or unloads the luggage quickly, the fully opened state of the back door 2 and the release thereof can be easily and quickly performed.

When the pin 7 is engaged with the notch 13 formed in the middle portion of the sliding groove 8, the back door 2 is held at the intermediate opening state with the same function as in the fully opened state described above. With the same operation, it is possible to release the holding and close from there, or it is possible to bring it to the fully opened state. Being able to regulate at an intermediate opening is very convenient for actually lifting and lowering luggage. Further, when the stopper arm 4 is biased in the clockwise direction, the biasing force acts in the direction of closing the back door 2, so that the back door 2 can be easily closed. On the other hand, when the back door 2 is biased in the counterclockwise direction, the biasing force acts in the direction to open the back door 2, so that the back door 2 is easily opened.

In the above embodiment, the pivotal support and the remote control mechanism 10 are provided on the back door 2 side. However, even if these are provided on the vehicle body 1 side, there is no problem in the function itself and the same function is provided. Can be fulfilled. However, since the remote operation mechanism 10 can be connected to the auxiliary structure of the back door 2 and the like, the structure shown in the embodiment has a better configuration and is easier to use. However, if the operation portion of the remote control mechanism 10 is configured as a dedicated handle instead of the door handle 21, the handle may be arranged at the most convenient place.

[0020]

As is apparent from the above description of the embodiments, according to the first and second aspects of the present invention, the maintenance of opening the back door and the release of the maintenance of the back door can be performed with one touch, and the simple structure enables quick operation. A back door opening degree control device for a vehicle that enables opening and closing of a back door is obtained.

According to the invention of claim 3, in addition to the effect according to claim 1 or claim 2, since the pivot portion and the remote operation mechanism are provided on the back door side, the remote operation mechanism is An existing member such as a door handle provided on the outside of the back door can be connected to the back door as an operation unit, and the configuration is improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a back door opening degree restricting device for a vehicle as an embodiment of the present invention in a state where a door is fully opened.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along line BB in FIG.

FIG. 4 is a view on arrow C in FIG.

FIG. 5 is an explanatory view showing the shape of the sliding groove of the embodiment.

FIG. 6 is a cross-sectional view showing a door handle as an operation unit of a remote operation mechanism of the back door opening degree regulation device of the embodiment.

FIG. 7 is a perspective view mainly of a back door of an example vehicle.

FIG. 8 is a perspective view showing a conventional vehicle back door opening degree restricting device.

[Explanation of symbols]

 1 Car Body 2 Back Door 3 Rear Opening 4 Stopper Arm 6 Spiral Spring 7 Pin 8 Sliding Groove 9 Guide Member 10 Remote Control Mechanism 12 Notch 13 Notch

Claims (3)

[Claims] 1. One end is pivotally supported near a pivotal side of a back door that is pivotally mounted in the rear opening of the vehicle body so as to be openable and closable in the left-right direction, and the other end is pivotally attached to the car body of the back door. A stopper arm that is pivotally supported in relation to the stopper arm and that rotates in response to opening and closing of the back door is provided, and one pivot portion of the stopper arm is provided with a pin provided on the stopper arm side.
This pin is configured to be slidably engaged with the sliding groove that allows the pin to move in accordance with the opening and closing of the back door.The sliding groove has the pin at the maximum opening of the back door. A spring for biasing the stopper arm in the direction of engaging the notch, and a remote operation mechanism capable of external operation for exerting a force in the direction of pulling the pin out of the notch are formed on the stopper arm. A back door opening degree control device characterized by being provided with. 2. One end is pivotally supported near the pivot side of a back door that is pivotally attached to the rear opening of the vehicle body so as to be openable and closable in the left-right direction, and the other end is attached to the body on the pivot side of the back door. A stopper arm that is pivotally supported in relation to the stopper arm and that rotates in response to opening and closing of the back door is provided, and one pivot portion of the stopper arm is provided with a pin provided on the stopper arm side.
The pin is slidably engaged to allow the pin to move in response to opening and closing of the back door. A notch for engaging the pin is formed at a certain time, and a spring for urging the stopper arm in a direction for engaging the pin with the notch and an external operation for exerting a force in a direction for pulling the pin out of the notch are provided. A back door opening degree control device characterized by being provided with a possible remote control mechanism. 3. A back door opening degree control device for a vehicle according to claim 1, wherein the pivot support portion and a remote control mechanism are provided on the back door side. Back door opening regulation device.