JPH0547273U - Door check device for automobile - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a vehicle door check device capable of effectively preventing deformation of a support portion of a check arm provided on a vehicle body and a door. A check arm having a base end swingably supported by a bracket 2 attached to a vehicle body such as a pillar 1 and a tip end slidably supported by a check member 7 provided on a door 5. A door check device for an automobile having 4, a mounting portion 9 mounted on the vehicle body, a shaft support portion 11 of a support shaft 3 serving as a swing support point of the check arm 4, and a base end of the check arm 4 on the bracket 2. The restricting portion 12 is provided so as to face the outer surface of the portion, and the outer surface of the base end portion of the check arm 4 contacts the restricting portion 12 at the fully opened position of the door 5.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a vehicle door check device that holds a vehicle door in a half-open state and a fully-open state.

[0002]

[Prior Art]

 Conventionally, for example, as disclosed in Japanese Patent Publication No. 63-25151, the base end portion of the check arm is swingably supported by a bracket attached to the vehicle body, and the tip end portion of the check arm is provided inside the door. Supported by the check member in a sliding manner, and the pressure contact portion provided on the check member clamps the check arm to provide a sliding resistance, so that the door is held in a half-open state at the time of opening operation. The door is held in a fully opened state by abutting an engaging portion provided on the tip end portion of the check arm against an inner wall portion of the door for engagement.

[0003]

[Problems to be solved by the device]

 In the case where the lock portion of the check arm is brought into contact with the inner wall portion of the door to hold the door in the fully opened position as described above, a large load acts on the inner wall portion when the door is opened. There is a problem that the part is easily deformed. When the inner wall of the door is reinforced to prevent deformation of this portion, the load is transmitted to the vehicle body side via the check arm, and the check arm provided on the vehicle body is supported. There is a problem that the part is deformed.

Particularly, an opening is formed in the bracket mounting portion of the vehicle body, and a bracket is introduced into the opening so as to prevent the bracket pivotally supporting the check arm from being exposed to the outside. In the constructed vehicle, since the strength of the bracket installation portion is reduced due to the formation of the opening in the vehicle body, there is a problem that this portion is easily deformed.

The present invention has been made to solve the above problems, and can effectively prevent deformation of the support portion of the check arm provided on the vehicle body and the door with a simple configuration. An object of the present invention is to provide a door check device for an automobile that can be used.

[0006]

[Means for Solving the Problems]

 In the invention according to claim 1, the base end portion is swingably supported by a bracket attached to the vehicle body, and the tip end portion is provided with a check arm slidably supported by a check member provided on the door. A door check device for an automobile, wherein the bracket has an attachment portion to be attached to a vehicle body, a pivotal support portion of a support shaft that serves as a swing fulcrum of a check arm, and a restricting portion that faces an outer surface of a base end portion of the check arm. Is provided so that the outer surface of the base end portion of the check arm abuts on the restriction portion at the fully opened position of the door.

According to a second aspect of the invention, in the vehicle door check device according to the first aspect, a bracket for pivotally supporting the base end portion of the check arm is attached to the outer wall surface of the vehicle body.

According to a third aspect of the present invention, in the vehicle door check device according to the second aspect, a cover for covering the installation portion of the bracket is provided, and a tongue piece for attachment is provided on the cover and the bracket is provided. The mounting portion is provided with a locking portion that locks the above-mentioned mounting tongue piece with the outer wall surface of the vehicle body.

[0009]

[Action]

 According to the present invention as set forth in claim 1, when the door is opened to be fully opened, the outer surface of the base end portion of the check arm is brought into contact with the regulation portion of the bracket attached to the vehicle body, and the regulation portion, The swinging displacement of the door is restricted by both the locking portion of the check member supporting the tip end portion of the check arm, and the door is locked at the fully open position.

According to the present invention as set forth in claim 2, the bracket can be attached to the pillar or the like of the vehicle body to which the bracket supporting the check arm is attached without forming an opening for introducing the bracket.

According to the present invention as set forth in claim 3, the cover is attached by fitting the tongue piece for attaching the cover between the engaging portion of the bracket and the outer wall surface of the vehicle body, and the bracket is attached by this cover. The installation part of will be covered.

[0012]

【Example】

 FIG. 1 shows an embodiment of a vehicle door check device according to the present invention. This door check device is mounted on a bracket 2 attached to a pillar 1 of a vehicle body, a check arm 4 whose base end is pivotally supported by the bracket 2 by a support shaft 3, and an inner wall surface of an inner plate 6 of a door 5. There is provided a check member 7 that slidably supports the tip end portion of the check arm 4 and a cover 8 that covers the installation portion of the bracket 2.

As shown in FIGS. 2 and 3, the bracket 2 has a pair of mounting portions 9 that are bolted to the outer wall surface of the pillar 1 and a shaft support in which an insertion hole 10 of the support shaft 3 is formed. It is configured by a portion 11 and a regulation portion 12 arranged between the side portions of the shaft support portion 11. The shaft supporting portions 11 are provided so as to project from the inner ends of the respective mounting portions 9 so as to face each other, and the base end portion of the check arm 4 is inserted between the both shaft supporting portions 11, and the insertion hole 10 described above is provided. The support shaft 3 is fitted in. A check arm 4 is swingably supported on the support shaft 3 as a fulcrum.

Further, the regulating portion 12 is arranged so as to face the outer surface of the base end portion of the check arm 4, and the swing range of the check arm 4 is at the fully open position of the door 5 shown by the solid line in FIG. Is configured to regulate. That is, the check arm 4 has a closed position that extends substantially parallel to the wall surface of the vehicle body as indicated by a phantom line in accordance with an opening / closing operation of the door 5, and a tip portion thereof projects outwardly as shown by a solid line. In this fully opened position, the check arm 4 is brought into contact with the outer surface of the base end portion of the check arm 4 to lock it. The position of the restriction portion 12 is set.

Further, the mounting portion 9 of the bracket 2 has an outer end portion bent in an L shape so that the mounting portion 9 faces the pillar 1 and the outer wall surface with a predetermined gap therebetween. A portion 13 is formed, and the bent portion 13 constitutes a locking portion for locking the cover 8.

The cover 8 is made of an elastic material such as a synthetic resin material, and includes an upper wall portion 14 that covers the upper surface of the installation portion of the bracket 2 and a peripheral wall portion 15 provided on the outer peripheral portion thereof. A slit 16 for installing a check arm is formed in the central portion of the peripheral wall portion 15 and the upper wall portion 14. A mounting tongue piece 17 is provided on the inner surface of the peripheral wall portion 15 so that the mounting tongue piece 17 is fitted between the outer wall surface of the pillar 1 and the bending portion 13 to be mounted. It is configured. That is, the distance from the upper end surface of the mounting tongue piece 17 to the lower surface of the outer peripheral flange portion 18 of the cover 8 is larger than the distance from the lower surface of the bent portion 13 of the bracket 2 to the lower surface of the mounting portion 9. It is set so that the cover 8 can be attached in a state where the attachment tongue piece 17 is pressed against the lower surface of the bent portion 13 when the cover 8 is attached.

Further, the check member 7 has a pressure contact portion (not shown) which is in pressure contact with the wall surface of the check arm 4, and the door is opened according to the sliding resistance applied to the check arm 4 by the pressure contact portion. The door 5 is fully opened by holding it in a predetermined half-open position and contacting a locking portion formed of a pin 19 projecting from the front end of the check arm 4 to restrict further swing displacement. Configured to hold in position.

In the door check device, the mounting portion 9 of the bracket 2 is fixed to the outer wall surface of the pillar 1 by bolts, and the base end portion of the check arm 4 is supported by the support shaft 3 on the shaft support portion 11 of the bracket 2. It is attached to the vehicle body by being pivotally supported. In addition, the cover 8 is assembled by inserting a mounting tongue piece 17 below a locking portion formed by the bent portion 13 of the bracket 2 bolted to the pillar 1. Before fixing the bracket 2 to the pillar 1, the mounting tongue 17 of the cover 8 is positioned below the bent portion 13 so that the cover 8 and the bracket 2 are connected to each other. The cover 8 may be attached by rotating the bolt through the opening formed on the front surface of the pillar 1 to bolt the mounting portion 9 of the bracket 1 to the outer wall surface of the pillar 1.

When the door check device is attached as described above, when the door 5 is opened from the closed position shown by the phantom line in FIG. 1 by using a hinge pin (not shown) as a fulcrum, the check arm is correspondingly moved. 4 slides along the pressure contact portion of the check member 7 and is oscillated and displaced. Then, as shown by the solid line in FIG. 1, when the door 5 is fully opened, the pin 19 of the check arm 4 contacts the check member 7, and the outer surface of the base end of the check arm 4 is restricted by the restricting portion 12 of the bracket 2. The door 5 is held in contact with and locked, and further swing displacement of the check arm 4 is restricted, so that the door 5 is held at the fully open position.

As described above, the bracket 2 that rotatably supports the base end portion of the check arm 4 contacts the outer surface of the base end portion of the check arm 4 at the fully opened position of the door 5 to restrict the swing displacement. Due to the provision of the regulating portion 12 that prevents the inner wall portion of the door 5 from being deformed, a large load does not act on the inner wall portion of the door 5 even when the door 5 is suddenly opened from the closed position to the fully opened position. It can be effectively prevented. That is, the load corresponding to the opening operation of the door 5 is dispersed and supported by the inner wall portion of the door 5 on which the check member 7 is installed and the outer wall portion of the pillar 1 on which the bracket 2 is installed. It is possible to prevent the deformation of the door 5 due to the concentration of the load on the inner wall of the door 5.

When the mounting portion 9 of the bracket 2 is configured to be mounted on the outer wall surface of the pillar 1 as described above, the bracket 2 can be mounted without forming an opening for introducing the bracket in the pillar 1. Since it can be mounted, the strength of the installation portion of the bracket 2 is sufficiently secured, and the load at the time of opening the door 5 transmitted from the base end portion of the check arm 4 to the vehicle body via the bracket 2 is effective. It is possible to reliably prevent the bracket installation portion from being deformed.

Further, when the cover 8 for covering the installation portion of the bracket 2 is provided and the mounting tongue piece 17 is configured to be locked by the locking portion formed by the bent portion 13 of the bracket, the cover 8 is provided. Since it is not necessary to provide a bolt or the like for attaching the cover 8, the cover 8 can be easily attached. By covering the bracket 2 with the cover 8, the bracket 2 mounted so as to project to the outside of the pillar 1 can be concealed, and the appearance of the door 5 in the open state can be improved. The bracket 2 can be effectively protected from rust, dust and the like.

[0023]

[Effect of the device]

 As described above, according to the present invention, the bracket for swingably supporting the base end portion of the check arm is brought into contact with the outer surface of the base end portion of the check arm at the fully opened position of the door to restrict the swing displacement. Since the restriction part is provided to prevent the load generated when the door is suddenly opened from the closed position to the fully open position, the inner wall of the door on which the check member that supports the tip of the check arm is installed and the bracket. Since it can be dispersed and supported on the vehicle body consisting of the outer wall of the pillar where it is installed, the load is prevented from concentrating on the inner wall of the door and the deformation of this door is effectively prevented. be able to.

Further, when the bracket is configured to be attached to the outer wall surface of the vehicle body including the pillars and the like, it is not necessary to form an opening for introducing the bracket on the wall surface of the vehicle body. Is sufficiently secured, and the load at the time of opening the door, which is transmitted from the base end portion of the check arm to the vehicle body via the bracket, can be effectively supported. Therefore, the load at the time of opening the door, which is transmitted to the vehicle body through the bracket, can be effectively supported in the installation portion of the bracket, and thus the load acting on the inner wall portion of the door in which the check member is installed. Can be effectively reduced and the deformation of the inner wall portion of the door can be more reliably prevented.

When a cover for covering the bracket installation portion is provided and the mounting tongue piece is configured to be locked by the locking portion including the bent portion of the bracket, the cover is simply attached and Since the installation part of the bracket can be concealed, the appearance of the door in the open state can be improved, and the bracket can be effectively protected from rust and dust.

[Brief description of drawings]

FIG. 1 is a plan sectional view showing an embodiment of a vehicle door check device according to the present invention.

FIG. 2 is a cross-sectional view showing a configuration of a bracket installation portion.

FIG. 3 is an exploded perspective view showing a main part of the door check device.

[Explanation of symbols]

 1 Pillar (vehicle body) 2 Bracket 3 Support shaft 4 Check arm 5 Door 7 Check member 8 Cover 9 Mounting part 11 Shaft support part 12 Regulation part 13 Bending part (locking part) 17 Tongue piece for mounting

Claims (3)

[Scope of utility model registration request] 1. A vehicle door having a check arm whose base end is swingably supported by a bracket attached to a vehicle body and whose tip end is slidably supported by a check member provided on the door. In the check device, the bracket is provided with a mounting portion to be mounted on the vehicle body, a pivotal support portion of a support shaft that serves as a swing fulcrum of the check arm, and a restriction portion that faces the outer surface of the base end portion of the check arm. A door check device for an automobile, wherein an outer surface of a base end portion of the check arm is in contact with the restriction portion at a fully opened position of the door. 2. The door check device for an automobile according to claim 1, wherein a bracket for pivotally supporting the base end portion of the check arm is attached to the outer wall surface of the vehicle body. 3. A cover for covering a mounting portion of the bracket is provided, and a mounting tongue piece is projected on the cover, and the mounting tongue piece is provided on the mounting portion of the bracket with an outer wall surface of a vehicle body. The door check device for an automobile according to claim 2, further comprising a locking portion for locking the vehicle.