JPH0416730Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention relates to a door device suitable for application to automobiles, and in particular, the invention relates to a door device suitable for application to automobiles, and in particular, for pulling out a door from a door opening and moving the door in a direction parallel to the opening. The present invention relates to a door device in which a door can be opened and closed by the following operations:

[Conventional technology]

Conventionally, as shown in FIGS. 6 and 7, a door device of the type that opens and closes the opening 2 with the door 3 through the above-mentioned operation has been used as a door device for opening and closing the opening 2 for getting in and out of a passenger formed in the cab 1 of an automobile. something is proposed.

That is, this door 3 is pivotally attached to the edge of the opening 2 in the cab 1 via one arm 4 which is curved into a special shape. To open the door 3, you need to pull the door 3 out of the opening 2 and then pull the door 3 further backwards (see the chain line in Figure 7).To close the door 3, the above-mentioned pull-out and movement operations are required. You can do the opposite.

[Problem that the invention attempts to solve]

However, in such a conventional door device, as shown in FIG. 7, there is a problem in that the amount of tension d of the arm 4 into the vehicle interior is large when the door is closed, resulting in poor comfort.

The present invention aims to solve these problems by reducing the amount of protrusion of the door pivot mechanism into the room when the door is closed, thereby improving the comfort of the room. To provide a door device which can guide the door rotation position to a predetermined position and can smoothly open and close the door.

[Means for solving problems]

For this reason, the door device of the present invention includes a door attached to the edge of the opening via a pivot mechanism,
The pivot mechanism is configured to open and close the opening with the door by pulling the door out of the opening, moving the door in a direction parallel to the opening, and performing an operation opposite to the pulling out and movement. In the door device configured, the pivot mechanism includes a first arm having one end pivotally connected to the opening edge, and a first arm having one end pivotally connected to the other end of the first arm and the other end being pivotally connected to the opening edge. 2 with a second arm pivoted on the inside.
a pair of arms, and a connecting member pivotally connected to a pivot joint between a first arm and a second arm in both the arm pairs and installed between both the arm pairs, and both the arm pairs have the above-mentioned They are characterized in that they are arranged offset from each other in the direction of movement of the doors.

[Effect]

In the door device of the present invention described above, when the door is pulled to open the door, the second arm of the pair of arms rotates outward from the opening, and the door is pulled out from the opening.
The first arm of the pair of arms then rotates to move the door in a direction parallel to the opening, opening the door. At this time, the two arm pairs are arranged offset in the door moving direction parallel to the opening, and the first arm and the second arm of both arm pairs are connected to a connecting member installed between both arm pairs. The pivot parts are pivotally connected, and the two arm pairs and the connecting member constitute two four-bar links, and the door is pivotally connected to the opening edge via the two four-bar links arranged in series. Specifically, the door is pulled out by deformation of the four-bar link including the second arm, and the door moves in a direction parallel to the opening by deformation of the four-bar link including the first arm.

These two four-bar links serve to guide the rotational position of the door to a predetermined position when the door is opened or closed.

〔Example〕

Hereinafter, a door device as an embodiment of the present invention will be explained with reference to the drawings. FIG. 1 is a schematic diagram showing its general structure, FIGS. 2 to 4 are schematic diagrams for explaining its operation, and FIG. The figure is a schematic diagram for explaining the principle of operation, and in Figures 1 to 5,
The same reference numerals as in FIGS. 6 and 7 indicate substantially similar parts.

This embodiment is also applied to an automobile door device as shown in FIG. That is, a door 3 is provided for opening and closing an opening 2 for passengers to get in and out of the vehicle, which is formed in a cab 1 of the automobile. It is worn.

This pivot mechanism M includes first arms 50, 51, 5
2 and second arms 60, 61, 62 are arranged in the upper and lower arms. 52 has one end pivotally attached to the edge of the opening 2. Also, each arm pair A1, A
Each of the second arms 60, 61, 62 of A3 has one end pivoted to the other end of the corresponding first arm 50, 51, 52, and the other end pivoted to the inside of the door 3. .

In addition, each first arm 5 of arm pair A1, A2
The ends of the arms 0, 51 and the second arms 60, 61 are connected by connecting members 70, 71, 72, 73, respectively.

Next, the connection relationship between these arms 50, 51, 60, 61 and the connection members 70 to 73 will be explained.

First, one ends of the first arms 50 and 51 are fixed to the connecting member 70, and the first arm 5
The other ends of the second arms 60 and 51 are fixed to the connecting member 7, and the one ends of the second arms 60 and 61 are fixed to the connecting member 72.
The other ends of 0 and 61 are fixed to a connecting member 73. Further, the connecting member 70 is pivotally attached to the vehicle body side portion of the opening edge at its upper and lower ends, and the connecting members 71, 7
The upper and lower ends of the connecting member 2 are pivotally connected via connecting plates 74 and 75, and the connecting member 73 is pivotally connected to the inner surface of the door 3 at its upper and lower ends.

Additionally, arms 52 and 62 of the lowest arm pair A3 are similar to arms 50, 62 of the arm pair A1 and A2.
0 and 51, 61 in the direction of movement of the door 3, and the arms 52, 62
is pivotally attached to the opening edge and the door 3 at a position shifted in the longitudinal direction of the vehicle with respect to the pivot point of the arm pair A1, A2, and is pivoted between the first arm 52 and the second arm 62 in the arm pair A3. A connecting member 76 is pivotally mounted between the attachment portion and the pivot attachment portion of the first arm 51 and the second arm 61 in the arm pair A2.

In this way, a total of three pairs of arms A1 to A3 are installed at positions shifted vertically or in the longitudinal direction of the vehicle.
Since the door 3 is provided, the door 3 can be opened and closed in the following order while preventing the door from rotating when viewed from the front and back, left and right, and up and down directions.

First, when opening the door 3 after the door is closed as shown in Figure 2, pull the door 3 out of the opening 2 as shown in Figure 3, and then move the door 3 in a direction parallel to the surface of the opening 2 (toward the rear). Just move it. This allows the door 3 to be opened as shown in FIG.

By the way, the movement of the pivot mechanism M during the door opening operation is as follows. First, when the door is closed, each arm pair A1 to A3 is in a substantially straight line as shown in FIG. As a result, each arm pair A1
Since the amount of protrusion D of ~A3 into the vehicle interior can be made smaller than that of the conventional type (see reference numeral d in FIG. 7), the comfort is good. Next, when the door 3 is pulled out, the second arms 60, 61, 62 of each arm pair A1 to A3 are
is bent outward. Then, when the door 3 is further moved backward, the first arms 50, 5 in each arm pair A1 to A3
1, 52 and second arms 60, 61, 62 rotate together in a bent state, resulting in a state as shown in FIG. That is, in the case of this embodiment, two pairs of arms A1, A2, and A3 are arranged offset in the direction of door movement parallel to the opening, and a connecting member 76 is provided between both pairs of arms A1, A2, and A3. is constructed, and the pivot parts of the first arms 51, 51 and 52 and the second arms 60, 61 and 62 of both arm pairs are pivotally connected to this connecting member 76, so that both arm pairs A1, A2 and A3 and the connecting member 76 constitute two four-bar links.
Therefore, the door 3 is pivotally attached to the opening edge via two four-bar links arranged in series, and the door is pulled by deformation of the four-bar link including the second arms 60, 61 and 62. The door opens (changes from the state shown in Fig. 2 to the state shown in Fig. 3), and further deforms the four-bar link including the first arm, causing the door to move in a direction parallel to the opening (from the state shown in Fig. 3). (The state shown in Figure 4 is shown in Figure 4.) By the action of these two four-bar links, the rotational position of the door can be guided to a predetermined position when opening and closing the door, reliably preventing rattling of the door and improving practicality. can be satisfied.

Furthermore, since these two four-bar links are composed of two pairs of arms A1, A2, and A3 and the connecting member 76, the structure is simple and relatively inexpensive, and each arm and the connecting member are pivotably supported. This allows the door to be opened and closed smoothly.

In addition, when the door is opened, the second arms 60, 6
1 and 62 are first bent, that is, the first and second arms 50, 51, 52, 60, 61, and 62 are bent, so that they can rotate together, for example, a suitable stopper or guide is provided, although not shown. ing.

Further, when closing the door 3, an operation opposite to the door opening operation described above is performed.

In addition, if the principle of opening/closing operation of the above-mentioned double swing door 3 is mainly shown by the movement of the pivot mechanism M, the fifth
It will look like the figure.

Further, as shown in FIG. 5, the other end of the first arm 5 may be directly pivoted to one end of the second arm 6.

Furthermore, this door device can be used not only for automobiles but also for vehicles other than automobiles or for general construction.

[Effect of idea]

As detailed above, according to the door device of the present invention, the following effects and advantages can be obtained with a simple configuration.

(1) It is possible to reduce the amount of protrusion of the pivot mechanism into the room when the door is closed.
This will greatly improve livability.

(2) When the door is opened, the two arm pairs are placed facing in the direction of door movement parallel to the opening, and the first arm of both arm pairs is attached to the connecting member installed between the two arm pairs. and the second arm are pivotally connected, and the two arm pairs and the connecting member constitute two four-bar links, and the door is connected to the opening edge via the two four-bar links arranged in series. Since the door is pivoted, the door is pulled out by deformation of the four-bar link including the second arm, and the door moves in a direction parallel to the opening by deformation of the four-bar link including the first arm. , due to the action of these two four-bar links,
When the door is opened and closed, the rotational position of the door can be guided to a predetermined position, and there is an advantage that rattling of the door can be reliably prevented and practicality can be satisfied.

(3) The above-mentioned two four-bar links are composed of two pairs of arms and a connecting member, so the structure is simple and relatively inexpensive, and each arm and connecting member are pivotally supported. This has the advantage that the door can be opened and closed smoothly.

[Brief explanation of drawings]

Figures 1 to 5 show a door device as an embodiment of the present invention, Figure 1 is a schematic diagram showing its general structure, and Figures 2 to 4 are schematic diagrams for explaining its operation. , Fig. 5 is a schematic diagram for explaining its operating principle, Fig. 6 is a side view showing a part of an automobile having a conventional door device, and Fig. 7 shows a schematic configuration of the conventional door device. It is a schematic diagram. 1... Cab, 2... Opening, 3... Door, 5...
...First arm, 6...Second arm, 50, 51,
52...first arm, 60, 61, 62...second arm
Arm, 70, 71, 72, 73... connection member,
74, 75... Connection plate, 76... Connection member, A
1, A2, A3...arm pair, M...pivot mechanism.

Claims (1)

[Scope of utility model registration request] A door is attached to the edge of the opening via a pivot mechanism, and the door can be pulled out of the opening and moved in a direction parallel to the opening, and the movement of the door is opposite to the pulling out and movement. Accordingly,
In a door device in which the pivot mechanism is configured to open and close the opening with the door, the pivot mechanism includes a first arm having one end pivotally attached to the edge of the opening, and the other end of the first arm. two arm pairs each having a second arm having one end pivotally attached to the end and a second arm pivotally attaching the other end to the inside of the door; and a pivot between the first arm and the second arm in both arm pairs. A door comprising a connecting member pivotally connected to a mounting portion and installed between both pairs of arms, and wherein the pairs of arms are arranged offset from each other in the moving direction of the door. Device.