JPH0672249A - Under mirror for vehicle - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the operability of the mirror structure from the unused state to the used state when the mirror of the mirror structure freezes on the deflector structure. In the non-use state A, the actuating mechanisms 4, 4 ′ are continuously located on the back surface of the first recess 2a of the deflector structure 2 facing the mirror 32 and both ends of the first recess 2a in the vehicle width direction.
The heater means 10 is fixed to the back surface of the second concave portion 2b that accommodates.

Description

Detailed Description of the Invention

[0001]

[Object of the Invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an under mirror device provided in a rear portion of a vehicle to secure a field of view such as a rear portion of the vehicle and improve visibility. In particular, a mirror structure is provided in a rear portion of the vehicle. The present invention relates to an under mirror device that can be in a non-use state that is housed in a deflector structure provided and a use state that projects from a deflector structure.

[0003]

2. Description of the Related Art Conventionally, as an under-mirror device of this type, one disclosed in Japanese Patent Application Laid-Open No. 1-127430 has been known. This is because the deflector structure is arranged in the rear part of the vehicle, and the deflector structure is provided with a non-use state housed in a recess formed in the deflector structure and a use state protruding from the deflector structure. A mirror structure having a mirror that is supported and arranged to face the bottom surface of the first recess in a non-use state, and a mirror structure that is arranged at both ends of the opening of the recess and is supported by a deflector structure. At the same time, it has an actuating mechanism for moving the mirror structure to a non-use state or a use state, and a driving means linked to the actuation mechanism and driving the actuation mechanism.

[0004]

However, in the under mirror device described above, rainwater and the like enter the gap between the mirror surface and the concave portion of the deflector structure in winter and freeze, and the mirror surface becomes a concave portion. When frozen, the mirror structure cannot be activated into service. Also, when rainwater adheres to the mirror surface in the use state and the mirror structure is stored in that state, the rainwater adhered to the mirror surface freezes and the same problem as described above occurs.

Furthermore, in winter, rainwater or the like enters the concave portion and adheres to the operating mechanism, which freezes and activates the operating mechanism (moving the mirror structure from the unused state to the used state).
And the operability of the operating mechanism deteriorates.

Therefore, the present invention is used from the unused state of the mirror structure in winter by melting the rainwater frozen in the gap between the mirror surface and the concave portion of the deflector structure or the rainwater adhering to the operating mechanism to melt the frozen rainwater. It is a technical subject to improve operability to a state.

[0007]

[Constitution of the invention]

[0008]

The technical means taken in the invention of claim 1 to solve the above technical problems are as follows:
Supported by the deflector structure so as to be able to take a deflector structure arranged at the rear part of the vehicle, an unused state housed in a first recess formed in the deflector structure, and a use state protruding from the deflector structure. And a mirror structure having a mirror arranged so as to face the bottom surface of the first recess in the non-use state, and a mirror housed in the second recess continuously located at both ends in the vehicle width direction of the first recess. An operating mechanism that supports the structure on the deflector structure and moves the mirror structure to an unused state or a used state, drive means that is linked to the operating mechanism and drives the operating mechanism, and a first recess and a second recess. That is, the heater means is provided on the back surface.

The technical means taken in the invention of claim 2 is the deflector structure arranged in the rear part of the vehicle, the non-use state and the deflector structure housed in the first recess formed in the deflector structure. A mirror structure having a mirror that is supported by the deflector structure so as to be in a more protruded usage state and is disposed so as to face the bottom surface of the first recess in the non-use state, and a vehicle width of the first recess. An operation mechanism that is housed in the second recesses that are continuously located at both ends in the direction, supports the mirror structure on the deflector structure, and moves the mirror structure to an unused state or a used state; It has a driving means for driving the mechanism and a heater means arranged on the back surface of the mirror.

[0010]

According to the technical means taken in the invention of claim 1, since the heater means is provided on the back surface of the first concave portion for accommodating the mirror structure in the non-use state, the heater means is not used in the winter season. When rainwater or the like enters the gap between the first concave portion and the mirror surface facing the bottom surface of the first concave portion and freezes, and when the mirror freezes on the bottom surface of the first concave portion, the frozen rainwater or the like is generated by the heater means. Can be melted. As a result, the mirror structure is ready for use. Also, when rainwater adheres to the mirror surface in the use state and the mirror structure is stored in that state, the rainwater adhered to the mirror surface freezes, but the frozen rainwater is melted by the heater means. , The mirror structure can be activated in use. Further, since the heater means is provided on the back surface of the second recess for accommodating the actuation mechanism, when rainwater or the like adheres to the actuation mechanism and freezes when not in use, the heater means causes the second recess and the mirror structure to be separated. The temperature of the substantially enclosed space between them rises, and rainwater or the like adhering to the operating mechanism and frozen is gradually melted to assist the operation of the operating mechanism. As a result, the mirror structure is easier to operate in use.

According to the technical means taken in the invention of claim 2, since the heater means is provided on the back surface of the mirror, the mirror surface facing the first concave portion and the bottom surface of the first concave portion in the non-use state. It is possible to melt the rainwater or the like in which the bottom surface of the first concave portion is connected to the mirror surface by the heater means by invading into the gap between and to freeze. As a result, the mirror structure is ready for use. Also, when rainwater adheres to the mirror surface in the use state and the mirror structure is stored in that state, the rainwater adhered to the mirror surface is frozen, but the frozen rainwater is melted by the heater means, The structure is ready for use. Further, since the heater means is provided on the back surface of the mirror, it is possible to remove rainwater and the like adhering to the mirror surface and defrost the mirror surface, as is well known.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the vehicle 1 is located above the back window 1a provided at the rear of the vehicle 1.
Hollow deflector that rectifies the running wind generated when the vehicle is running to gradually reduce the air resistance when the vehicle is running or blows the running wind to the back window 1a to clean the back window 1a (mainly to remove raindrops). 2 is fixed. A movable member 3 which will be described later is movably supported on the deflector 2 through operating mechanisms 4 and 4'which will be described later. The movable member 3 is formed on the deflector 2 by the operation of the operating members 4 and 4 '. In addition, it moves so as to obtain the non-use state A stored in the first recess 2a and the use state B protruding from the deflector 2.

The movable member 3 will be described.

As shown in FIGS. 1 and 2, the movable member 3 is fixed to the movable main body 31 and the movable main body 31 which form a part of the exterior of the deflector 2 in the non-use state A, and the non-use state A. In the deflector 2 and the movable body 3
And a mirror 32 that reflects the rear of the vehicle in the usage state B while being hidden by the mirror 32. Mirror 3
2 is the bottom surface portion 2c of the first recess 2a in the non-use state A.
To face. A seal is provided between the deflector 2 and a portion 31a of the movable body 31 that contacts the deflector 2 in the non-use state A to prevent rainwater or the like from entering between the movable member 3 and the deflector 2 in the non-use state A. A member 33 is provided. In the non-use state A, it is preferable that the contact surface of the seal member 33 with the movable member 3 is flocked with silicon to prevent water from adhering between the seal member 33 and the movable member 3.

The first embodiment (the essential part) will be described with reference to FIG.

As shown in the figure, second recesses 2b are continuously formed at both ends in the vehicle width direction of the first recess 2a, and an operating mechanism described later is accommodated in the second recess 2b. It is supposed to be done. The second recess 2 in the non-use state A
The opening of b is covered with the movable member 3, and a substantially sealed space is formed. Rainwater or the like is introduced from the gap between the seal member 33 and the contact portion 31a of the movable member 3 into the first concave portion 2a and the second concave portion 2a.
In case of invasion into the recess 2b and freezing, the first recess 2a
A heater (heater means) 10, which is the subject matter of the present invention, is fixed to the back surface of the second recess 2b via an adhesive 11. The heater 10 includes a first recess 2a and a second recess 2
It is desirable that the first concave portion 2 be provided on the entire back surface of b.
It may be provided on a part of the back surface of a and the second recess 2b.

The second embodiment (the essential part) will be described with reference to FIG.

As shown in the figure, on the back surface of the mirror 32, a heater (heater means) 10 'which is the gist of the present invention is provided.
Are fixed via an adhesive material 11 '. This heater 1
0'is preferably provided over the entire back surface of the mirror 32, but may be provided on a part of the back surface of the mirror 32.

The structures of the actuating mechanisms 4, 4'and the driving mechanism 5 described below are common to the first and second embodiments.

The actuating mechanisms 4, 4'will be described.

The actuating mechanisms 4 and 4'are disposed on both sides of the movable member 3 and are slidably supported and movable by the guide rails 41 and 41 'fixed to the deflector 2. First link 4 fixed to member 3
2, 42 'and a second link 43 supported by the first links 42, 42' and linked to a drive mechanism 5 described later.
43 '.

Details of the operating mechanism 4 will be described. still,
The actuating mechanism 4'has the same configuration as the actuating mechanism 4, and therefore its description is omitted.

As shown in FIGS. 2 to 6, the guide rail 41 is arranged in the vertical direction of the deflector 2 (upward direction in FIG. 1).
And has a substantially C-shaped cross section and an arc shape in the longitudinal direction. The guide rail 41 is fixed in the deflector 2 with screws (not shown) via a bracket 44.

A pin 45 extending in the cross-sectional shape of the guide rail 41 is erected on one end of the first link 42, and is supported around the pin 45 so as to be slidably movable on the guide rail 41. A roller 46 is rotatably supported. The bracket portion 4 is attached to the other end of the first link 42.
2a is formed, and this bracket portion 42a is fixed to the movable main body 31 of the movable member 3 by means of screws (not shown).

One end of the second link 43 is rotatably supported by the first link 42 by a pin 47. Around the pin 47, one end 48a is locked in the locking hole of the second link 43 and the other end 48b is engageable with the flange portion 42b formed on the first link 42.
Is provided.

The drive mechanism 5 will be described.

As shown in FIGS. 2 to 8, the output shaft 51a of the motor 51 is provided with a first output shaft 53 via a well-known gear mechanism 52 composed of a plurality of gears having a speed reducing function.
And the second output shaft 54 are connected. The first output shaft 53 is connected to the other end of the second link 43 of the operating mechanism 4. The second output shaft 54 includes an interlocking shaft 55 fixed to the second output shaft 54 by a collar 55a, and an input shaft 56 fixed to the interlocking shaft 55 by a collar 55b.
And a third output shaft 57 gear-coupled to the input shaft 56, and is connected to the other end of the second link 43 ′ of the operating mechanism 4 ′. The motor 51, the gear mechanism 52, the first output shaft 53, and the second output shaft 54 are housed and supported in a case 58 fixed to the bracket 44, and are arranged in the deflector 2 on the operating mechanism 4 side. The input shaft 56 and the third output shaft 57 are housed and supported in a case 59 fixed to the bracket 44 ', and are arranged in the deflector 2 on the operating mechanism 4'side. Further, the interlocking shaft 55 is arranged in the deflector 2 along the longitudinal direction of the movable member 3.

Next, the operation will be described.

The movable member 3 shown in FIG. 1 is the deflector 2.
When the motor 51 is driven in the normal direction in the non-use state A housed inside, the first output shaft 53 is driven via the gear mechanism 52.
And the 2nd output shaft 54 rotates. The rotation of the first output shaft 53 is transmitted to the operating mechanism 4, and the rotation of the second output shaft 54 is transmitted to the operating mechanism 4'via the interlocking shaft 55, the input shaft 56 and the third output shaft 57, and the operating mechanism 4 '. 4,4 'work together. When the actuating mechanisms 4 and 4 ′ are actuated and the second links 43 and 43 ′ rotate clockwise in FIG. 1 due to the rotation of the first output shaft 53 and the third output shaft 57, the first link 42 , 42 ′ slides along the guide rails 41, 41 ′ in the first downward direction in the drawing while rising in the counterclockwise direction in FIG. 1, whereby the movable member 3 comes close to the deflector 2 while its posture is regulated. The projecting movement operation is carried out along a small movement locus, and the usage state B in which the projecting movement is projected from the deflector 2 shown in FIG. As a result, the mirror 32 of the movable member 3 reflects the lower part of the rear of the vehicle, and the field of view behind the vehicle is secured, which is useful, for example, for confirming the rear of the vehicle when the vehicle is moving backward. At this time, the first links 42, 42 '
Is engaged with the other end 48b of the spring 48 and the spring 4
While bending 8 and sliding downward in FIG. 1, it rotates clockwise in FIG.

The movable member 3 shown in FIG. 1 is the deflector 2.
When the motor 51 is driven in the reverse direction in the more protruding usage state B, the operating mechanisms 4 and 4'operate in the same manner as described above. The actuating mechanisms 4 and 4'are actuated, and the rotation of the first output shaft 53 and the third output shaft 57 causes the second links 43 and 4 to rotate.
When 3'rotates counterclockwise in FIG. 1, the first link 4
1, 42 ′ rotate along the guide rails 41, 41 ′ in the clockwise direction in FIG. 1 while sliding in the upward direction in FIG. 1, whereby the movable member 3 is regulated in its posture and the deflector is deflected. The storage movement operation is carried out along a small movement locus close to 2, and the non-use state A stored in the deflector 2 shown in FIG. 1 is obtained. At this time, the first links 42, 42 '
Since a repulsive force generated by the spring 48 being flexed acts on the first link 42, 42 ', the first link 42, 42' is slid in the upward direction in FIG.
Rotation in the counterclockwise direction is assisted.

In the present embodiment, since the heater 10 or 10 'is provided on either the back surface of the first recess 2a and the second recess 2b of the deflector 2 or the back surface of the mirror 32,
In the non-use state A in the winter season, rainwater or the like enters the gap between the mirror 32 and the bottom surface portion 2c of the first recess 2a through the seal member 33 and freezes, so that the mirror 32 becomes a bottom surface portion 2c of the first recess portion 2a. In the case of freezing, the rainwater or the like frozen by the heater 10 or 10 ′ is melted, and as a result, the operation of the movable member 3 to the use state B can be quickly performed. In winter, it is in condition B
In the case where rainwater or the like adheres to the surface of the mirror 32 and the movable member 3 is stored in that state, the mirror 32
Although the rainwater adhered to the surface of the is frozen, the frozen rainwater is melted by the heater 10 or 10 ', and as a result,
The operation of the movable member 3 to the usage state B can be quickly performed.

In the first embodiment, since the heater means is provided on the back surface of the second recess 2b for accommodating the operating mechanisms 4, 4 ', the opening of the second recess 2b has the movable member 3 in the non-use state A. When rainwater or the like adheres to the operating mechanisms 4, 4 ′ and is frozen in a state where it is covered with a substantially closed space and is frozen, the heater 10 creates a substantially closed space between the second recess 2 b and the movable member 3. As the temperature rises, the rainwater etc. that adheres to the operating mechanisms 4, 4'and freezes is gradually melted. As a result, when operating the movable member 3 from the non-use state A to the use state B, the operation mechanisms 4 and 4'can be quickly operated. Therefore, the operation of the movable member 3 to the usage state B can be promptly performed.

In the second embodiment, since the heater 10 'is provided on the back surface of the mirror 32, it is well known that rainwater or the like adhering to the surface of the mirror 32 can be removed or the mirror 32 can be removed.
It is possible to defrost the surface of.

[0035]

The present invention has the following effects.

In the non-use state in winter, rainwater and the like enter the gap between the mirror and the first concave portion and are frozen, so that the mirror becomes the first portion.
When the concave portion is frozen, the rainwater or the like frozen by the heater means is melted, and as a result, the operation of the mirror structure to the used state can be quickly performed. Even when rainwater or the like adheres to the surface of the mirror during use in winter and the movable member is stored in that state, the rainwater or the like adhered to the surface of the mirror freezes and the mirror freezes on the first recess. However, the frozen rainwater or the like is melted by the heater means, and as a result, the operation of the mirror structure into the used state can be performed quickly. From the above, when the deflector structure and the mirror structure are frozen in the non-use state, the operability of the mirror structure is improved.

Further, in the invention of claim 1, the heater means is provided on the back surface of the second recess for accommodating the actuation mechanism, so that when rainwater or the like adheres to the actuation mechanism and freezes when not in use. By the means, the temperature of the substantially closed space between the second concave portion and the mirror structure rises, and rainwater or the like adhering to the operating mechanism and frozen is gradually melted. As a result, when the mirror structure is to be operated from the non-use state to the use state, the actuation mechanism can be quickly activated, and the mirror structure can be more quickly activated to the use state.

[Brief description of drawings]

FIG. 1 is an operation explanatory view of a vehicle under mirror device according to the present invention.

FIG. 2 is a front view of a vehicle under mirror device according to the present invention.

FIG. 3 is a cross-sectional view showing a bonding position of heater means according to the first embodiment.

FIG. 4 is a sectional view showing a bonding position of a heater means according to a second embodiment.

FIG. 5 is a side view of one actuating mechanism.

FIG. 6 is a partial cross-sectional front view of one actuating mechanism.

FIG. 7 is a side view of the other actuating mechanism.

FIG. 8 is a front view of the other actuating mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 vehicle 2 deflector (deflector structure) 2a 1st recessed part 2b 2nd recessed part 3 movable member (mirror structure) 32 mirror 4,4 'actuation mechanism 5 drive mechanism 10 heater (heater means) A non-use state B use state

Claims (2)

[Claims] 1. A deflector structure disposed at a rear portion of a vehicle, an unused state housed in a first recess formed in the deflector structure, and a used state protruding from the deflector structure. And a mirror structure having a mirror that is supported by the deflector structure and is disposed so as to face the bottom surface of the first recess in a non-use state; An actuating mechanism housed in the second recess located to support the mirror structure on the deflector structure and move the mirror structure to the non-use state or the use state; An under mirror device for a vehicle, comprising: a driving unit that drives an actuating mechanism; and a heater unit that is provided on the back surfaces of the first recess and the second recess. 2. A deflector structure disposed at a rear portion of a vehicle, an unused state housed in a first recess formed in the deflector structure, and a used state protruding from the deflector structure can be adopted. And a mirror structure having a mirror that is supported by the deflector structure and is disposed so as to face the bottom surface of the first recess in a non-use state; An actuating mechanism housed in the second recess located to support the mirror structure on the deflector structure and move the mirror structure to the non-use state or the use state; An under-mirror device for a vehicle, comprising: a drive unit that drives an actuating mechanism; and a heater unit that is disposed on the back surface of the mirror.