JPS6337424Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a door checking device for an automobile that holds a door at a predetermined angle.

For example, as shown in FIG. 1, a conventional door check device for an automobile has a check member C, which is pivotally supported on the rear end surface of a pillar A via a bracket B, inserted into a hole E formed in the front end surface of a door D. When the door D is loosely fitted and rotated about the pivot F, the door is held by a pair of sliders G that sandwich the check member C from above and below.

However, in this conventional device, the perforation E of the door D
Rainwater, dirt, etc. may enter through the gap between the peripheral edge of the door D and the check member C, and adhere to the check member C and the slider G, preventing them from operating smoothly. Since the door check device is installed on the door D, the distance from the center of rotation of the hinge to the door check device cannot be greater than the thickness of the door D.
A large check force is required to hold it at a given angle.

The present invention aims to solve the above-mentioned drawbacks of the prior art by installing a check member inside an automobile, and will be explained based on the embodiments shown in FIGS. 2 to 9.

2 to 6 show a first embodiment of the present invention.

Reference numeral 1 denotes an operating section disposed on the floor between both front seats 2, and the operating section 1 is connected to a base plate 3 in the front-rear direction fixed to the floor and a pivot 4.
It consists of a rotating plate 5 rotatably supported on the base plate 3, and the rotating plate 5 can be pivoted by rotating an operating handle 6 forwardly and upwardly fixed to the lower front end of the rotating plate 5. It is designed to rotate forward and upward around point 4.

7 and 7' are two flexible cables each having one end fixed to the lower end of the rotating plate 5;
Both cables 7, 7' extend in the front-rear direction via guides 8, 8' attached to the front and rear sides of the base plate 3, respectively, and outside the guides 8, 8' are made of synthetic resin or the like. They are protected by cladding tubes 9, 9' to prevent them from being exposed to the outside.

The cable 7 extending forward reaches the front wall of the vehicle body and is bent to the left, further reaches the left wall and is bent rearward, and reaches below the center pillar 10 on the left side of the vehicle body. .

The cable 7' extending rearward is bent to the left at a suitable point between the front seat 2 and the rear seat 11, reaches the left wall of the vehicle body, is bent forward, and is bent forward at the left center of the vehicle body. It has reached the bottom of pillar 10.

Reference numeral 12 denotes a guide member extending in the front-rear direction that is fixed below the center pillar 10 on the left side of the vehicle body, and both upper and lower edges of the guide member 12 are bent inwardly into an arc shape. A pair of engaging portions 13 are formed, and shoes 15 having longitudinal grooves 14 cut in opposing surfaces are slidably fitted into both engaging portions 13, respectively.

Reference numeral 16 denotes an elastic member having a raised step 16a, which is fixed to the inside of the vertical surface of the guide member 12 by a bolt 17. The elastic member 16 is made of hard rubber, a plate spring, or the like.

18 has a U-shaped cross section, and upper and lower horizontal surfaces 19
The slide member 18 has circular holes 20 and 20' formed therein, respectively.The upper tip of the slide member 18 is bent upward and the lower tip is bent downward.

Reference numeral 22 designates a connecting shaft having a flange 23 protruding outward from its upper end, a diameter-reducing step 25 cut into its middle portion, and a male thread 26 carved into its lower end. is inserted into the circular hole 20 above the collar 24 and the slide member 18, the diameter-reducing step portion 25 engages with the peripheral edge of the circular hole 20, and the nut 27 is screwed onto the male thread 26 at the lower end. It is fixed to the slide member 18.

Reference numeral 28 denotes a moving member of a roller that is rotatably fitted to the reduced diameter portion of the connecting shaft 22, and a pair of short cylindrical members are provided between the moving member 28 and both horizontal surfaces 19 of the slide member 18. rings 29, 29' are attached,
In the upper ring 29, among the cables 7, 7',
The other end of the cable 7 extending forward is fixed, and the other end of the cable 7' extending rearward is fixed to the lower ring 29'.

Reference numeral 30 denotes a reinforcing plate having a vertical rectangular shape and having an opening 31 in the center, and the periphery of the opening 31 of the reinforcing plate 30 abuts the upper and lower rings 29, 29' from the left in FIG. 4, and Both upper and lower ends of the reinforcing plate 30 are bent along the bending surface 21 of the slide member 18 and welded to the slide member 18.

Both ends of the welded slide member 18 and reinforcing plate 30 are respectively engaged with the grooves 14 of the shoe 15 and slide on the engagement portion 13, and accordingly, the movable member 28 moves the elastic member 16. It is designed to press and rotate.

Reference numeral 32 denotes a rectangular cylindrical bracket whose left rear end is fixed to the lower front end of the left rear door 33. The bracket 32 has a pair of elongated holes 34 on its front upper and lower surfaces, and an opening on its side. 35 are perforated in each case.

Reference numeral 36 denotes a sliding shaft that is installed between both the long holes 34 so as to be slidable in the lateral direction.
The other end of a thin arc-shaped link member 37 is pivotally connected between the collar 24 and the collar 24 .

Reference numeral 38 denotes a spring compressed between the sliding shaft 36 and a spring bearing 39 fixed in the bracket 32, and the sliding shaft 36 is urged forward by the spring 38, as shown in FIG. It is locked at the solid line position.

Reference numeral 40 denotes a lock release wire whose one end is connected to an engagement release lever of a door lock device 41 fixed to the rear end of the left rear door 33, and whose other end is connected to the sliding shaft 36 through the inside of the bracket 32. in,
A portion of the wire 40 rearward of the spring receiver 39 is covered with a cladding tube 42 made of synthetic resin or the like.

Next, the procedure for checking the left rear door when the left rear door is opened and closed by the present embodiment having the above-described structure will be explained.

When the operating handle 6 is in the lowered position shown in FIG. 2, the left rear door 33 is in the closed position and held in the locked state by the locking device 41.

In this state, when the operating handle 6 is rotated upward, the rotating plate 5 to which the handle 6 is fixed
pivots forward and upward, and both cables 7, 7' actuate to slide the slide member 18 rearwardly along the guide member 12.

Then, the sliding shaft 36 slides rearward along the elongated hole 34 against the bias of the spring 38, pushing out the unlocking wire 40 connected to the sliding shaft 36 rearward. The lock device 41 is released.

Further, when the operating handle 6 is rotated upward, the sliding shaft 36 reaches the rear end of the elongated hole 34, pushes the bracket 32 fixed to the left rear door 33 rearwardly, and gradually moves the left rear door 33. Open the door and fully open it.

During this door opening operation, the slide member 18 slides along the guide member 12, but at this time, the connecting shaft 22
The movable member 28 fitted into the slide member 1 rotates while being pressed against the elastic member 16 having the raised step 16a, thereby changing the shape of the raised step 16a, that is, the slide member 1
A frictional resistance force is generated depending on the degree of protrusion in the eight directions, and the degree of opening of the left rear door 33 can be maintained by this resistance force.

Further, as shown in FIG. 5, if a curved portion 16b directed toward the guide member 12 is formed in the elastic member 16, the movable member 2
8 to the elastic member 16 is minimized, and when the movable member 28 passes through this, the door 33 can be opened and closed with a small force.

In this manner, by forming the inner surface of the elastic member 16 into a suitable wave shape, the door holding force can be changed as desired depending on the opening angle of the door 33.

Furthermore, unlike the conventional technology, the distance from the center of rotation of the hinge to the door check device is
The thickness can be more than 3 mm, and the door can be held with little force.

Next, FIGS. 7 and 8 show a second embodiment of the present invention, and the same members as those in the first embodiment are given the same reference numerals and explanations thereof will be omitted.

28' is an elastic body such as hard rubber that is fitted into the center of the connecting shaft 22 so that one surface is in contact with the inner surface of the slide member 18, and the elastic body 28' and the opening 31 of the reinforcing plate 30 are connected to each other. A moving member 41 made of hard synthetic resin or the like and having a substantially U-shaped cross section is mounted in the gap.

Reference numeral 12' denotes a guide member having a longitudinal inward raised step 12'a formed in the center of the vertical plane, and the movable member 41 is attached to the elastic body 2 on the raised step 12'a.
8'.

In this embodiment, as in the first embodiment, when the slide member 18 moves along the guide member 12', the movable member 41 presses against the raised step portion 12'a of the guide member 12', and A frictional resistance force is generated depending on the shape of the stepped portion 12'a, that is, the degree of protrusion toward the slide member 18, and this resistance force can maintain the degree of opening of the left rear door.

FIG. 9 shows a third embodiment of the present invention.
The same members as those in the first embodiment are given the same reference numerals and their explanations will be omitted.

Reference numeral 30' denotes a vertically rectangular reinforcing plate, and both upper and lower ends of the reinforcing plate 30' are bent along the bending surface 21 of the slide member 18 and welded to the slide member, so that the reinforcing plate 30' and the slide member 18 A moving member 42 is formed by these.

Reference numeral 16' denotes an elastic member made of a spring material such as a leaf spring, which is disposed between the reinforcing plate 30' and the guide member 12, and the raised portion 16'a of the elastic member 16' It is pressed against the inner surface.

In this example, as in each of the above examples,
When the slide member 18 moves along the guide member 12, the raised portion 16'a of the elastic member 16' comes into pressure contact with the reinforcing plate 30' to generate a frictional resistance force, and this resistance force controls the degree of opening of the door. can be retained.

Each embodiment of the present invention is constructed as described above, and there is no need to provide a perforation in the door, and the sliding member 18
Since the guide member 12 does not come into contact with rainwater or the like, the opening degree of the door can be maintained smoothly.

Further, since the distance from the center of rotation of the door to the door checking device can be made greater than the thickness of the door, the door can be held with a small checking force.

Furthermore, the device of the present invention can be used as a door check device with only slight improvements made to the existing door opening/closing device having the slide member 18 and the guide member 12, which is advantageous in terms of installation work and cost. Yes, its practicality is extremely great.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional plan view showing an example of a conventional door check device, FIG. 2 is a perspective view showing a first embodiment of the present invention, FIG. 3 is an enlarged perspective view of the same essential parts, and FIG. 4 is a vertical sectional view taken along the line -5 in Fig. 3.
The figure is a - line cross-sectional plan view of Fig. 4, and Fig. 6 is a
Similarly, FIG. 7 is an enlarged view of the bracket, FIG. 7 is a longitudinal sectional view showing the second embodiment of the present invention, FIG. It is a longitudinal cross-sectional view showing an example. 12, 12'...Guide member, 12'a, 16a
...Inward raised portion, 18... Slide member, 28...
...Moving member, 32... Bracket, 33... Door, 37... Link member, 41, 42... Moving member.

Claims (1)

[Scope of utility model registration request] A guide member fixed to either the vehicle body or the door and provided with a lateral inward protuberance is slidably engaged with a slide member equipped with a movable member that elastically presses against the protrusion. A door check for an automobile, characterized in that one end of the link member is pivotally supported by a bracket fixed to the other of the vehicle body or the door, and the other end of the link member is rotatably connected to the slide member. Device.