JP3465244B2 - Vehicle ventilator - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator for a vehicle that adjusts the flow rate and direction of air blown from an air outlet of a car cooler.

[0002]

2. Description of the Related Art Heretofore, as this type of apparatus, for example, the "side blow grill of a dash type cooler" disclosed in Japanese Utility Model Publication No. 52-35798 is known.

In the side blowing grill of the above publication, a butterfly blade for adjusting the flow rate and direction of blowing air is provided in a casing formed in a thick-walled cylindrical shape so as to be capable of undulating.

Further, a thin skirt portion is formed on the lower portion of the outer periphery of the casing while leaving the engaging protrusion, thereby forming a shoulder between the thick portion and the thin portion, and between the shoulder and the engaging protrusion. It is rotatably attached to the side plate by sandwiching the side plate of the car cooler, and the casing can be held at the adjustment position by the frictional resistance between the side plate and the casing.

[0005]

However, in the side blowing grill disclosed in the above publication, it is necessary to change the positions of the engaging projections and the shoulders depending on the mounting location, and therefore, the versatility is low and the housing and the side plates are not provided. Since the housing holds the housing in the adjusted position by friction, when thermal deformation or the like occurs in the housing or the side plate, the frictional force changes and a large force is required to rotate the housing. Also, if the fitting dimensions of both are increased in advance in consideration of thermal deformation, play will occur,
There are problems such as being unable to hold the housing in the adjustment position and generating noise during traveling.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a vehicle ventilator which is versatile and which is not affected by thermal deformation and which can obtain a stable operating force. To do.

[0007]

In order to achieve the above object, the invention according to claim 1 is a rotary member rotatably fitted and supported in a front opening of a case formed in a substantially cylindrical shape. In a ventilator for a vehicle having a louver composed of a plurality of blades provided in the rotating member, a frame-shaped leg portion is projectingly provided at a rear portion of the rotating member, and a tip end side of the leg portion is provided. Rutotomoni provided a bearing unit in the center,
Radially to the supporting member provided at the rear end of the upper Symbol Case
A plurality of reinforcing ribs are provided, and an annular portion is formed at the center of these reinforcing ribs.
And the bearing means is rotatably supported on the annular portion, and the bearing means is further provided at the center of the plurality of reinforcing ribs.
A fitting protrusion rotatably fitted to the annular portion formed in
It is fixed to the boss protruding from this fitting protrusion with a fixing tool.
And a sliding member that has been formed .

With the above structure, the air is ejected from the air outlet.
Rotate the rotating member to adjust the jetting direction of the generated air
Then, the rotating member is centered on the bearing means supported by the supporting member.
Since it rotates to the right, the blowing direction can be adjusted with a stable operating force.
become able to.

Further , due to the above construction, manufacturing error is caused in each part.
Or the heat of the blown air may cause
Even if the rolling member undergoes thermal deformation, the operating force may vary.
And there was no backlash between each part.
Therefore, no noise is generated during driving.

In order to achieve the above object, the second aspect of the present invention is described.
The present invention relates to a front opening portion of a case formed in a substantially cylindrical shape.
A rotating member that is rotatably fitted and supported in the inside,
A rule consisting of a plurality of blades provided in this rotating member.
In a vehicle ventilator that has a
A frame-shaped leg is provided on the rear part of the rotary member, and the leg is
Protruding a locking claw at the center of the tip side of the
To engage with the support member provided at the rear end of the case
Rotatably supports the rotary member with respect to the support member.
I have accepted it.

With the above structure, the air is ejected from the air outlet.
Rotate the rotating member to adjust the jetting direction of the generated air
Then, the rotating member rotates around the support member, so stable
You can adjust the blowing direction with the operating force.

Further , due to the above construction, manufacturing error is caused in each component.
Or the heat of the blown air may cause
Even if the rolling member undergoes thermal deformation, the operating force may vary.
And there was no backlash between each part.
Therefore, no noise is generated during driving .

Further, according to the above structure, the legs are inserted from the inside of the case.
Simply press the locking claw at the tip of the part into the support member
Since the rotating member is attached to the
Easy to use, no sliding members or fasteners are required, so the number of parts
Can be reduced .

In order to achieve the above object, the invention according to claim 3
Akira installed the ventilator body on the outer surface of the case.
Position when mounting in the mounting hole of the instrument panel
Position the ridge for positioning in the axial direction of the case and
Instrument the ventilator body on the outer peripheral surface of the base.
One provided with a pair of fasteners that engage with the panel mounting holes
Is .

With the above structure, the instrument panel
When mounting the ventilator body in the mounting hole of
The ridge contacts the inner surface of the mounting hole and
Since the positioning is performed, the installation of the ventilator main body is short
It can be easily performed between the ventilators with a pair of fasteners.
The body can be fixed to the instrument panel
Therefore, the assemblability is also improved .

[0016]

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a perspective view of a ventilator for a vehicle, and FIG.
Is the same exploded perspective view, FIG. 3 is the same bottom view, and FIG. 4 is AA of FIG.
3 is a sectional view taken along the line B, and FIG. 5 is a sectional view taken along the line B-B in FIG.
6 is a sectional view taken along the line CC of FIG. 3, and FIG. 7 is a sectional view showing another embodiment.

In these drawings, reference numeral 1 denotes a ventilator main body, which is a cylindrical case 2 and a front opening 2a of the case 2.
A frame-shaped rotating member 3 that is rotatably fitted in the
A louver 5 is provided in the rotating member 3.

In the case 2, a large diameter portion 2c is formed at the front end of the small diameter portion 2b, and the fitting portion 3a of the rotary member 3 is slidably fitted on the inner peripheral portion of the large diameter portion 2c. The fastener 6 such as a clip is attached to the outer peripheral surface of the small diameter portion 2b.
And a pair of locking projections 2e for locking the tongue-shaped locking portion 4a of the support member 4 are formed.

The fastener fixing portion 2d is composed of a pair of protrusions 2f protruding in the axial direction and a pair of protrusions 2g protruding between the protrusions 2f, and the outer peripheral surface of the small diameter portion 2b. To 2
It is provided in several places.

Further, on the outer peripheral surface of the small diameter portion 2b of the case 2, two positioning protrusions 2h are provided in the axial direction between the fastener fixing portion 2d and the locking protrusion 2e, and at the same time, they are large. A plurality of ribs 2i project from the boundary between the diameter portion 2c and the small diameter portion 2b.

On the other hand, the rotating member 3 has a ring-shaped front plate 3b, the fitting portion 3a projecting from the rear surface of the front plate 3b, and a frame-like projection projecting rearward from the fitting portion 3a. A connecting portion 3 including the leg portions 3c and connecting the tip ends of the leg portions 3c.
A boss 3e is provided at the center of d in the front-rear direction.

Around the boss 3e protruding rearward, a fitting protrusion 3f slidably fitted in an annular portion 4g formed on the inner bottom portion of the support member 4 is protrudingly provided. The louver 5 is housed in the fitting portion 3 a of the rotating member 3.

The louver 5 is, for example, three blades 5a.
It is also possible that the tip of the bracket 5b protruding from the rear surface of the blade 5a is fixed to the fitting portion 3a by the pin 5c, but in this embodiment it is rotatably supported. .

On the rear surface of each blade 5a of the louver 5,
An interlocking bracket 5d is provided so as to project separately from the bracket 5b.

The interlocking brackets 5d are interlocked with each other by interlocking means 7 such as a link. By operating the interlocking means 7 by an operating means (not shown), each blade 5a is simultaneously undulated in the same direction about the pin 5c. You can do it.

The supporting member 4 fitted to the lower end of the case 2 has a fitting portion 4c fitted to the lower end of the case 2 on one end side of the tubular portion 4b. A tongue-shaped engaging portion 4a is provided in a protruding manner at a position facing each other of 4c.

The tongue-shaped engaging portion 4a is provided with an engaging hole 4d which engages with an engaging protrusion 2e provided on the outer peripheral surface of the small diameter portion 2b of the case 2, and the tubular portion 4b. A mesh portion 4e is formed at the other end side opening.

The mesh portion 4e is provided with a plurality of reinforcing ribs 4f in the radial direction, and the annular portion 4g is formed at the center of the reinforcing ribs 4f. The annular portion 4g is provided inside the case 2. A substantially dish-shaped sliding member 8 is fixed to the tip of the inserted boss 3e by a fixing member 9 such as a screw.

The sliding member 8 is formed of an elastic body, and when the fixing member 9 is tightened, the peripheral portion is slidably pressed against the outer surface of the annular portion 4g, and A plurality of positioning protrusions 4h for positioning the ventilator main body 1 when the ventilator main body 1 is mounted on the instrument panel 10 are provided on the outer periphery of the tubular portion 4b of the support member 4.

Next, the operation of the vehicle ventilator configured as described above will be described.

Case 2 constituting the ventilator main body 1
The rotating member 3, the support member 4, and the louver 5 are separately molded in advance with synthetic resin. At this time, the positioning protrusion 2h protruding from the case 2 and the positioning protrusion 4h protruding from the supporting member 4 are used. By ejecting with a protrusion pin, the molded product can be easily taken out from the mold without damaging the molded product.

Next, in assembling the ventilator main body 1, first, after incorporating the blades 5a of the louver 5 and the interlocking means 7 into the rotating member 3, the front opening 2a of the case 2 is formed.
The rotating member 3 is further inserted, and the fitting portion 3a of the rotating member 3 is slidably fitted into the large diameter portion 2c of the case 2.

Next, when the support member 4 is fitted to the lower end of the case 2 and the tongue-shaped engaging portion 4a is engaged with the engaging protrusion 2e of the case 2, the sliding member 8 is attached from the outside of the mesh portion 4e. Ring part 4g
The fastener 9 inserted into the sliding member 8 is screwed into the boss 3e projecting from the connecting portion 3d of the support member 4 and tightened.

As a result, the sliding member 8 is elastically deformed,
At the same time that the peripheral edge portion is pressed against the outer surface of the annular portion 4g, the elasticity of the sliding member 8 causes the inner surface of the front plate 3b of the rotating member 3 to protrude from the front end surface of the large diameter portion 2c of the case 2. Since the protrusions 2j are pressed against each other, there is no play between the components even if the case 2, the rotary member 3, and the support member 4 have dimensional errors.

After the ventilator main body 1 is assembled as described above, the mounting hole 6a of the metallic fastener 6 is fitted into the protrusion 2g of the fastener fixing portion 2d, and the protrusion 2g is caulked and fixed by heat. The fastener 6 is fixed to the tool fixing portion 2d.

Next, when mounting the ventilator main body 1 on the instrument panel 10, the ventilator main body 1 is inserted from the support member 4 side into the mounting hole 10a opened in advance in the instrument panel 10.

At this time, the positioning projection 2h provided on the outer peripheral surface of the small diameter portion 2b of the case 2 and the tubular portion 4b of the support member 4 are provided.
Since the protruding positioning protrusion 4h is guided by the inner surface of the mounting hole 10a of the instrument panel 10, the ventilator body 1 can be smoothly inserted into the mounting hole 10a while positioning.

When the fasteners 6 attached to two locations on the outer peripheral surface of the case 2 pass through the attachment holes 10a, the fasteners 6 are pressed by the attachment holes 10a and elastically deformed inward, and the fasteners are attached. When 6 passes through the mounting hole 10a, it returns to its original shape, so that the tip of the fastener 6 is mounted on the mounting hole 10a as shown in FIG.
The ventilator body 1 is fixed to the instrument panel 10 by being locked inside.

Next, the method of using the ventilator will be explained. When adjusting the flow rate of the air blown from the air outlet, the interlocking means 7 is operated by the pressing operation means of the louver 5.
The blade 5a of the louver 5 by operating the pin 5
Rotate around c to adjust the opening of the air outlet.

When adjusting the air blowing direction, hold the periphery of the front plate 3b of the rotating member 3 and rotate the rotating member 3.
The air blow-out direction can be freely adjusted by rotating, and the rotating member 3 is rotated around the fitting protrusion 3f provided on the connecting portion 3d of the leg portion 3c. Even if the case 2 and the rotating member 3 are thermally deformed by the heat of the air blown out further, the operating force for rotating the rotating member 3 does not change, and thereby a stable rotating operation can be obtained. Become.

In the embodiment described above, the rotary member 3 is attached to the support member 4 by fixing the sliding member 8 to the boss 3e provided on the connecting portion 3d of the rotary member 3 with the fastener 9. However, as shown in FIG. 7, an engaging claw 3g is projected from the connecting portion 3d, and the engaging claw 3g is locked to the outer peripheral surface of the annular portion 4g.
According to this method, the engaging claws 3g can be assembled only by press-fitting the engaging claws 3g from the inside of the case 2 into the annular portion 4g. Therefore, the assembling is easy, and the sliding member 8 and the fastener 9 can be attached. Since it is unnecessary, the number of parts can be reduced.

[0044]

As described above, according to the present invention, when the rotating member is rotated to adjust the air blowing direction, the rotating member rotates around the support portion, which is versatile and has a stable operating force. Can be adjusted.

Further, a fitting protrusion rotatably fitted to an annular portion formed at the center of a plurality of reinforcing ribs, and a sliding member fixed to a boss protruding from the fitting protrusion by a fastener. With the moving member, even if there is a manufacturing error in each part or the case or the rotating member undergoes thermal deformation due to the heat of the blown air, the operating force does not fluctuate and Since there is no backlash, no noise is generated during traveling.

Further, a locking claw is projected from the tip of the leg of the rotating member, and the locking claw is engaged with the support member,
If the rotating member is rotatably supported by the supporting member, the rotating member can be attached to the supporting member only by press-fitting the locking claws at the ends of the legs from the inside of the case into the supporting member. Since the work is easy and the sliding member and the fixing tool are unnecessary, the number of parts can be reduced.

In addition, since the outer peripheral surface of the case is provided with the positioning projections for positioning the ventilator main body to the instrument panel and the pair of fasteners for locking the ventilator main body to the instrument panel, When mounting the ventilator main body to the mounting hole of the instrument panel, the positioning ridges contact the inner peripheral surface of the mounting hole to position the ventilator main body. Since the ventilator main body can be fixed to the instrument panel with a wearing tool, the assemblability is also improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a vehicle ventilator according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a vehicle ventilator according to an embodiment of the present invention.

FIG. 3 is a bottom view of the vehicle ventilator according to the embodiment of the present invention.

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

5 is a cross-sectional view taken along the line BB of FIG.

6 is a sectional view taken along the line CC of FIG.

FIG. 7 is a sectional view of a vehicle ventilator according to another embodiment of the present invention.

[Explanation of symbols]

1 Ventilator body 2 cases 2a opening 2b small diameter part 2c large diameter part 2d Fastener fixing part 2e Locking protrusion 2f ridge 2g protrusion 2h Positioning ridge 2i rib 2j protrusion 3 rotating members 3a Fitting part 3b Front plate 3c leg 3d connection part 3e boss 3f fitting protrusion 3g locking claw 4 Support members 4a Tongue-shaped locking part 4b tubular part 4c Mating part 4d locking hole 4e reticulated part 4f reinforcement rib 4g annular part 4h positioning protrusion 5 louvers 5a blade 5b bracket 5c pin 5d connecting bracket 6 fasteners 6a Mounting hole 7 interlocking means 8 Sliding member 9 Fastener 10 Instrument panel 10a mounting hole

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 10-324148 (JP, A) Japanese Patent Laid-Open No. 7-180900 (JP, A) Actual Opening 6-55820 (JP, U) Actual Opening Sho 63- 101744 (JP, U) Actual Kaihei 6-53220 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B60H 1/34

Claims (3)

(57) [Claims] 1. A rotary member rotatably fitted and supported in the front opening of a case formed in a substantially cylindrical shape, and a louver made up of a plurality of blades provided in the rotary member. a vehicle ventilator be configured with, and projecting the frame-shaped leg portion to the rear portion of the rotary member, and Rutotomoni provided a bearing means on the front end side central portion of the leg portion, the rear end portion of the upper Symbol case A plurality of support members provided in the radial direction
Reinforcement ribs are provided and an annular part is formed at the center of these reinforcement ribs.
Form, the support means rotatably and supported on the annular portion, further
In addition, the support means is formed at the center of the plurality of reinforcing ribs.
The fitting protrusion that is rotatably fitted to the annular part
A slide fixed to the boss protruding from the mating protrusion with a fixing tool
A ventilator for a vehicle, comprising a moving member . 2. A rotating member rotatably fitted and supported in the front opening of a case formed in a substantially cylindrical shape, and a louver composed of a plurality of blades provided in the rotating member. In the ventilator for a vehicle configured as described above, a frame-shaped leg portion is projectingly provided at a rear portion of the rotating member, and a locking pawl is projectingly provided at a central portion on a tip end side of the leg portion.
Engages with a support member provided at the rear end of the case
Accordingly , the ventilator for a vehicle, wherein the rotating member is rotatably supported on the support member . 3. A ventilator book is provided on the outer peripheral surface of the case.
Positioning the body in the mounting holes on the instrument panel
Positioning ridges for positioning are projected in the axial direction of the case.
Install the ventilator body on the outer peripheral surface of the case.
A pair of fasteners that lock in the mounting holes of the instrument panel
The vehicle ventilator according to claim 1 or 2 formed by providing the.