JPH0712096Y2 - Ventilator for vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a ventilator provided on a roof of a vehicle or the like.

(Prior Art) Conventionally, as a ventilator for a vehicle, one disclosed by Japanese Utility Model Publication No. 61-41614 is known. However,
In this conventional ventilator, the opening and closing of the lid is operated by the vertical movement of the lifting rod, and in order to move the lifting rod up and down, the opening and closing dial screwed to the lifting rod is rotated until a predetermined opening and closing amount is reached. It is necessary and time-consuming for this operation. In addition, since switching between the front opening and the rear opening of the lid is performed by switching the link guide back and forth, there is an inconvenience that the above switching can be performed only after the lid is once closed, and the lid is opened frontward. Alternatively, in order to set the rearward open state, two operations, that is, the switching operation and the rotating operation by the open / close dial, are required. Further, since the structure is complicated and the number of parts is large, the manufacturing cost is increased, and the maintenance is troublesome.

(Object of the Invention) The present invention has been made in order to solve such a conventional problem, and can easily and quickly bring the front opening, the rear opening, or the closed state with a simple configuration. Moreover, the invention provides a ventilator for a vehicle that can easily and quickly switch between them.

(Structure of the Invention) The present invention has an opening formed through the vehicle body, a cover plate that covers the opening, side walls on the left and right, and a support member attached to the vehicle body, the cover plate and the support member. A pair of front and rear arms whose both ends are rotatably connected to a member about a horizontal axis, and side walls on the left and right, and have a first position, a second position, and a first position in the front-rear direction with respect to the support member. 3 slidably connected between the three positions, and a pair of front and rear actuating members which are arranged in parallel with the rotation axis of the arm, penetrating both side walls of the arm and the supporting member and both side walls of the actuating member. And a pair of front and rear guide holes including a front guide hole and a rear guide hole are formed on one of the side walls of the operating member and the supporting member. From the front taxiway that goes rearward from the locking part and from this front taxiway A rear taxiway that continues to the rear is formed, and the forward tilt angle of the front guide hole toward the rear of the front taxiway is set smaller than the same tilt angle of the front taxiway of the rear guide hole. The inclination angle of the guide hole toward the rear of the rear guideway is set to be larger than the same inclination angle of the rear guideway in the rear guide hole, and the front operating shaft is attached to the front arm and the front guide. The rear operating shaft is movably held by a hole, is attached to the rear arm, and is movably held by the rear guide hole, and the front operating shaft is at the first position of the operating member. The rear operating shaft is locked to the front end locking portion of the guide hole, and the rear operating shaft is locked to the front end locking portion of the rear guide hole to close the lid plate. The front operating shaft is guided to the front guide passage of the front guide hole, and the rear operating shaft is guided to the front guide passage of the rear guide hole to move upward, so that the lid plate is opened rearward. At the third position of the actuating member, the front actuating shaft is guided to the rear guideway of the front guide hole and is guided to the rear guideway of the rear guide hole to ascend so that the cover plate is brought into the front open state. It is composed of.

According to the above configuration, by moving the actuating member to the first position, the pair of actuating shafts are engaged with the front end engaging portions of the pair of guide holes, and the lid plate is closed. By moving the member to the second position, the rear actuating shaft is guided by the front guide path of the rear guide hole and ascends, whereby the rear arm pushes up the cover plate, and as a result, The lid plate is in the rear opening state.

Further, by moving the operating member to the third position, the front operating shaft is guided by the rear guide path of the front guide hole and ascends, whereby the front arm pushes up the front portion of the cover plate. As a result, the lid plate is in the front open state.

(Example) FIG. 2 shows, as an example, a ventilator provided on the roof of a truck. In FIG. 2 and FIG. 1, an opening 11 for taking in outside air and discharging inside air (air inside the vehicle) is formed through the roof plate (vehicle body) 1, and the ventilator shields this opening 11. A lid plate 2 of a size, a support member 3 in the front-rear direction fixed to the inner surface of the roof plate 1 by bolts and nuts 70, and the support member 3
An actuating member 4 which is slidably fitted in the front-rear direction, and a pair of arms 5 before and after connecting the support member 3 and the cover plate 2.
6 and a pair of operating shafts before and after the supporting member 3 and the operating member 4 are horizontally attached to the arms 5 and 6, respectively.
It is basically composed of 51 and 61.

As shown in FIG. 3, the supporting member 3 and the actuating member 4 are composed of substrates 31, 41 and side walls 3 standing upright from both side ends of the substrates 31, 41.
2 and 42 are formed so that the transverse shape is a groove shape, and are connected to each other by a guide bolt 72 with a guide ball 71 interposed between the two substrates 31 and 41. As shown in FIG. 1, an elongated hole 33 and a concave groove 34 are formed in the front-rear direction on the substrate 31 of the supporting member 3.
The guide ball 71 is movably held by the groove 72 and the groove 34, whereby the actuating member 4 is moved to the supporting member 3 at the last position (first position) shown by the solid line in FIG. While being movably supported between the middle position (second position) shown and the foremost position (third position) indicated by the three-dot chain line, the movement direction is regulated and smooth movement is achieved. There is.

A knob 43 is formed on the lower surface of the rear end of the base plate 41 of the operating member 4 so as to project downward, and the operating member 4 is operated to move back and forth.

The front arm (front arm) 5 includes an upper arm 52, a lower arm 53, and a connecting shaft 54 that rotatably connects the upper arm 52 and the lower arm 53 to each other, and the end of the lower arm 53 is supported by a support shaft 55 so as to be rotatable around an axis 55. It is attached to the member 3 and the tip of the upper arm 52 is attached to the lower surface of the front portion of the lid plate 2 by a support shaft 56 so as to be rotatable around the axis 56. A front actuating shaft (front actuating shaft) 51 penetrates through an intermediate portion of the lower arm 53, and the front actuating shaft 51, the support shafts 55, 56, and the connecting shaft 54 are disposed in parallel with each other. At the same time, the front operating shaft 51 is disposed through the side wall 32 of the supporting member 3 through a supporting elongated hole 321 formed in an arc shape with the support shaft 55 as the center. As a result, the front arm 5 has its upper arm 52
The lower arm 53 and the lower arm 53 can be folded or unfolded from each other. Rear arm (rear arm)
6 is formed in an L-shape, and its end is supported by the support shaft 62.
It is attached to the support member 3 so that it can rotate around, and the tip is a spindle.
It is attached to the lower surface of the rear part of the cover plate 2 by a 63 so as to be rotatable around its axis 63. A rear working shaft (rear working shaft) 61 is arranged so as to penetrate from the center of the rear arm 6 to the mounting side of the supporting shaft 62. The rear working shaft 61 and the supporting shafts 62, 63 are arranged in parallel with each other. At the same time, the rear operation shaft 61 is disposed through the side wall 32 of the support member 3 through a support elongated hole 322 formed in an arc shape around the support shaft 62.

As shown in FIG. 1, a front guide hole 44 and a rear guide hole 45 are formed through both side walls 42 of the actuating member 4, and the front actuating shaft 51 and the rear guide hole 45 are formed in the front guide hole 44. The rear operating shafts 61 are movably penetrated through.

The front guide hole 44 is formed in a substantially inverted V shape by the rear guide passage 441, the front guide passage 442, and the front end locking portion 443.
The rear taxiway 441 extends obliquely downward toward the front, and the front taxiway 442 is a lower end bent portion that is the front end of the rear taxiway 441.
A front end locking portion 443 is formed by bending from 444 and extending obliquely upward toward the front and bending from the front end of the front guide path 442.

Also, the rear guide hole 45 is a straight taxiway as a rear taxiway.
It is formed from a front guide path 452, a front guide path 452, and a front end locking portion 453. The straight guide path 451 extends in the moving direction of the operating member 4,
The front guide path 452 is bent from the front end of the straight guide path 451 and extends obliquely downward toward the front, and is bent from the front end of the front guide path 452 to form a front end locking portion 453.

The pair of guide holes 44, 45 are such that when the operating member 4 is at the first position shown by the solid line in FIG. 1, the front operating shaft 51 has the front end locking portion 443 of the front guide hole 44 and the rear operating shaft 61. Rear guide hole 45
Are arranged so as to be respectively located at the front end locking portions 453. The pair of arms 5 and 6 and the cover plate 2 are arranged so that the operating shafts 51 and 61 are located at the front end locking portions 443 and 453.
The front arm 5 is folded, and the rear arm 6 is tilted most forward, so that the lid plate 2 is closed.

When the operating member 4 is in the second position shown by the two-dot chain line in FIG. 1 and the solid line in FIG. 4, the front operating shaft 51 has the lower bent portion 444 of the front guide hole 44 and the rear operating shaft 61 has the rear operating shaft 61. The lid plate 2 is located at the upper end of the front guide path 452 of the side guide hole 45, so that the lid plate 2 is set so as to be in the rear open state at the maximum open angle at a position slightly retracted from the closed state. .

When the actuating member 4 is in the third position shown by the three-dot chain line in FIG. 1 and the solid line in FIG. 5, the front operating shaft 51 has the upper end of the rear guideway 441 of the front guide hole 44 and the rear operating shaft. 61 are respectively located at the rear ends of the straight guide paths 451 of the rear guide holes 45, so that the lid plate 2 is in the front open state at the maximum open angle at the position further retracted from the rear open state. Is set to.

Reference numeral 21 in FIG. 1 denotes a sealing material, which is attached to the outer periphery of the lower surface of the lid plate 2 and is sealed when the lid plate 2 is in the closed state.
Is in close contact with the upper surface of the roof plate 1 around the opening 11 so that the entrance and exit of air is blocked.

According to the ventilator having the above structure, when the operating member 4 is set to the first position shown by the solid line in FIG. 1,
Since the vertical movements of the operating shafts 51, 61 of the pair of arms 5, 6 supporting the cover plate 2 are restricted by the front end locking portions 443, 453 of the pair of guide holes 44, 45, the cover plate 2 is closed. To be kept.

Next, when the operating member 4 is moved forward from the first position shown by the solid line in FIG. 1 to the second position shown by the two-dot chain line in FIG. 1, the rear operating shaft 61 moves to the fourth position. As shown in the figure, it is guided along the front guide path 452 from the front end locking portion 453 of the rear guide hole 45 to ascend to the front end of the straight guide path 451, whereby the rear arm 6 is centered on the support shaft 62. The cover plate 2 is rotated clockwise to push up the rear part of the cover plate 2, and the cover plate 2 is moved rearward.

At the same time, the front operating shaft 51 is guided from the front end locking portion 443 along the front guide path 442 to the lower end bent portion 444,
As a result, the lower arm 53 of the front arm 6 rotates clockwise around the support shaft 55 to move the position of the connecting shaft 54 downward, and the upper arm 52 moves only the rearward movement of the cover plate 2 by the rear arm 6. It rotates around the connecting shaft 54. As a result, as shown in FIG. 4, the cover plate 2 is in the rear-opening state at the maximum opening angle, and the inside air is sucked out and discharged by traveling.

When the operating member 4 is moved from the second position shown by the two-dot chain line in FIG. 1 to the third position shown by the three-dot chain line in FIG. As shown in FIG. 5, since the straight guide path 451 of the rear guide hole 45 is formed in the moving direction of the operating member 4, its position does not change. On the other hand, the front operating shaft 51 is guided along the rear guide path 441 from the lower end bent portion 444 and rises to the lower end of the rear guide path 441, whereby the lower arm 53 of the front arm 6 is centered on the support shaft 55. Rotate counterclockwise and connect shaft 54
Then, the upper arm 52 is pushed upward, and the upper arm 52 projects upward. As a result, the cover plate 2 is in the maximum open front state as shown in FIG. 5, and outside air is taken into the vehicle compartment by traveling.

In this way, the intake air can be taken in, the inside air can be exhausted, or the inflow / outflow of air can be stopped by a simple operation of advancing or retracting the operating member 4 by a knob operation, so that operation is easy and its operation is also possible. Definitely done. Further, mutual switching between the front opening state and the rear opening state of the cover plate 2 can be continuously switched without once being closed as in the conventional ventilator, and can be switched by a single operation of moving in the front-rear direction. So it can be done quickly and easily. Moreover, the operating shafts 51,61 mounted on the pair of front and rear arms 5,6
Are penetratingly arranged in two holes formed in the guide holes 44, 45 and the support elongated holes 321, 322 in mutually different directions, so that each state such as the front opening of the lid plate 2 can be reliably maintained.

Also, between the first position and the second position of the operating member 4,
By setting the position between the second position and the third position, the cover plate 2 can be set to a desired opening angle, and thereby an optimum ventilation state can be set according to the atmosphere in the vehicle interior. You can

In the above embodiment, the case where it is provided on the roof of the truck is shown, but the present invention is not limited to this, and can be applied to other vehicles such as passenger cars, and is not limited to the roof and applied to the side surface of the vehicle. can do.

In the above embodiment, a pair of guide holes 44 and 45 are formed in the actuating member 4, and the actuating member 4 is externally fitted to the supporting member 3. However, conversely, the guide hole is formed in the supporting member. The support member may be formed, and the actuating member may be fitted in the support member.

Further, in the above embodiment, the case where the first position at the last position to the third position at the foremost position is lined up in order in the front-rear direction is shown, but not limited to this, for example, the third position is at the last position, The first position may be the frontmost position. in this case,
The front and rear directions of the pair of guide holes may be reversed.

Although the above-described embodiment is a ventilator mainly for the purpose of ventilating the interior of the vehicle, the so-called sunroof can also be used by forming the cover plate 2 from a transparent or colored transparent material, for example.

(Effect of the Invention) According to the ventilator for a vehicle of the present invention, the lid plate can be brought into a front opening, a rear opening, or a closed state having a desired opening angle, whereby external air intake, internal air discharge, or It is possible to stop the entry and exit of air according to the atmosphere inside the vehicle. Moreover, the mutual switching between the above states is
Since the operation member can be performed by one operation of moving it in the front-back direction between the first position and the third position, the operation can be performed easily and quickly, and the pair of operation shafts can be guided by the guide holes. Since it is guided, its operation is surely performed. Further, since the number of parts can be reduced as compared with the conventional ventilator, it is possible to contribute to reduction of manufacturing cost and maintenance labor.

[Brief description of drawings]

1 is a sectional view taken along line II of FIG. 2 showing an embodiment of the present invention, and FIG. 2 is a perspective view of a vehicle provided with a ventilator,
3 is a sectional view taken along the line III-III in FIG. 5, FIG. 4 is a view corresponding to FIG. 1 in a rear open state, and FIG. 5 is a view corresponding to FIG. 1 in a front open state. 1 ... Roof plate (car body), 2 ... Lid plate, 3 ... Support member,
4 ... Operating member, 5 ... Front arm (front arm), 6
…… Rear arm (rear arm), 44 …… Front guide hole,
45 …… rear guide hole, 51 …… front working shaft (front working shaft), 55, 56 …… support shaft, 61 …… rear working shaft (rear working shaft), 62, 63 …… support shaft, 441 …… The rear guideway of the front guide hole, 442 …… The front guideway of the front guide hole, 451 …… The straight guideway of the rear guide hole, 452 …… The front guideway of the rear guide hole.

Claims (1)

[Scope of utility model registration request] 1. A support member mounted on the vehicle body, which has an opening formed through the vehicle body, a lid covering the opening, side walls on the left and right, and the lid body and the supporting member. And a pair of front and rear arms whose both ends are rotatably connected about a horizontal axis and side walls on the left and right, and which have a first position, a second position, and a third position in the front-rear direction with respect to the support member. An actuating member slidably coupled between the arm and a pair of front and rear actuating shafts that extend through the arm and both side walls of the supporting member and both side walls of the actuating member and are arranged in parallel with the rotation axis of the arm. However, a pair of front and rear guide holes consisting of a front guide hole and a rear guide hole is formed on one of the side walls of the actuating member and the supporting member, and the front end locking portion is formed in both of the front and rear guide holes. From the front taxiway to the rear and from this front taxiway to the rear The rear guideway is formed, and the inclination angle of the front guide hole toward the rear of the front guideway is set to be smaller than the same inclination angle of the front guideway of the rear guide hole. The forward tilt angle of the rear guideway is set to be larger than the same tilt angle of the rear guideway of the rear guide hole, and the front working shaft is attached to the front arm and moved by the front guide hole. Movably held, the rear operating shaft is attached to the rear arm, and is movably held by the rear guide hole, and the front operating shaft is positioned in the guide hole at the first position of the operating member. While being locked by the front end locking portion, the rear operation shaft is locked by the front end locking portion of the rear guide hole so that the cover plate is in a closed state, and the front side operation is performed at the second position of the operation member. Is guided to the front guide path of the front guide hole, and the rear operating shaft is guided to the front guide path of the rear guide hole to move upward, whereby the cover plate is opened rearward, and the rear of the operating member In the position of 3, the front operating shaft is guided to the rear guide path of the front guide hole, and is guided to the rear guide path of the rear guide hole to move upward to open the lid plate. The ventilator for vehicles characterized by being.