JPH0446991Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to a vehicle rearview mirror.

(Prior Art) A vehicle rearview mirror installed inside a vehicle is generally composed of a base member fixed to the vehicle body side (front end of the windshield or ceiling) and a stay member that holds the mirror. It is a structure.

By the way, the present applicant has proposed Utility Model Application No. 185240/1986 (Utility Model Application No. 1999/1999) as such a vehicle rearview mirror.
An application was filed for a vehicle rearview mirror having the structure shown in No. 89247).

This vehicle rearview mirror has an engaging portion formed on either the base member or the stay member, and a part of the locking piece is engaged with the engaging portion, and the locking piece is fixed to the base member or the stay member. The stay member and the base member are assembled by fixing to the other stay member.

(Problem to be Solved by the Invention) However, in such a vehicle rearview mirror, when the locking piece is fixed by the fixing means, there is a risk that the portion of the locking piece that does not engage with the engaging portion may be deformed. This causes a problem in that the set load of the fixing means during assembly is not constant, making it difficult to assemble the vehicle rearview mirror.

The present invention was developed in view of the above problems, and its purpose is to provide a rearview mirror for a vehicle that can be easily assembled by keeping the set load of the fixing means constant.

(Means for solving the problem) In order to achieve the above object, the present invention consists of a base member 1 supported on the vehicle body side and a stay member 3 that holds the mirror 10, and the base member 1 and the stay member 3, a part of the locking piece 30 provided between the base member 1 and the stay member 3 is engaged with the engaging part 22, and the locking piece 30 is In a vehicle rearview mirror in which the base member 1 and the stay member 3 are assembled by being fixed to the other of the base member 1 or the stay member 3 by means of a fixing means 50, the base member 1 or the stay member 3 is attached to the base member 1 or the stay member 3. Joint part 2
2 is provided with a support portion 3b for supporting a portion of the locking piece 30 that does not engage with the engaging portion 22 when the locking piece 30 is fixed by the fixing means 50. It is characterized by

(Function) Since the support part is provided to support the part of the locking piece that does not engage with the engaging part, it is possible to prevent the locking piece from being deformed when the locking piece is fixed by the fixing means. By keeping the set load of the fixing means constant, assembly of the vehicle rearview mirror can be facilitated.

(Embodiment) A preferred embodiment of the present invention will be described below based on the accompanying drawings.

FIG. 1 shows a longitudinal cross-sectional view of a vehicle rearview mirror according to the present invention, in which 1 is a base member fixed to the inner surface of a windshield 2 of an automobile, 3 is a stay joined to this base member 1, and the stay is A spherical part 5 is formed at the tip of the mirror part 3, and the spherical part 5 supports a mirror part 6 so as to be tiltable. An annular recess 3a is formed on the joint surface C on the base end side of the stay 3, and a tenth
As shown in FIGS. 11A and 11B, a support portion 3b is formed in the vicinity of the recess 3a of the joint surface C.

The mirror section 6 is composed of a mirror housing 7, a bracket 8, an operation knob 9, etc., and a mirror 10 is attached to the opening 7a of the mirror housing 7.
Also, a bracket 8 placed inside the mirror housing 7
The upper end is engaged with the upper inner end surface of the housing 7, and the spherical receiving part 12 formed on the bracket 8 is engaged with the spherical part 5 of the stay 3. A spring plate 14 is placed on the outside of the spherical receiving part 12 via a receiving material 13, and the tip of a screw 18 inserted through a hole 5a formed in the spherical part 5 and a hole 8a formed in the bracket 8 is inserted into the spring plate 1.
4, and by tightening the screw 18 in this state, the bracket 8 is pressed against the spherical portion 5.

An opening 7b is formed in the lower part of the mirror housing 7, and the operation knob 9 is swingably provided in the opening 7b, and the lower part of the spring 17 is screwed into a groove 16a formed on the upper surface of the operation knob 9. The spring 17
A groove portion 8 having an upper portion formed on the lower surface of the bracket 8.
b, and as a result of the above, the angle of the mirror 10 attached to the housing 7 changes by swinging the operation knob 9,
This constitutes an anti-glare mirror that reduces light from the rear and transmits it to the driver. In this embodiment, the hole 5a is formed in the spherical portion 5 of the stay 3, and the screw 18 is inserted therethrough, so that the spring plate 14 can be easily adjusted even after assembly.

The base member 1 has a rectangular planar shape as shown in FIG.
form. In addition, a first slope 31 is provided at a location located on the front side of the recess 20 (front side in the longitudinal direction of the vehicle body).
Further, on both sides of the first slope 31, there are second slopes 32, 32.
are formed respectively. Further, on the upper surface of the base member 1, there is a convex portion 3 that engages with a concave portion 36 formed in the stay 3.
3, 34, and 35. In the above, the second slopes 32, 72 are located near and in front of the convex parts 33, 34, and the second slopes 32, 32 form the base member 1 side as shown in FIG. The surface A of the stay 3 and the surface C of the stay 3 form a gap B in front of the convex portions 33 and 34.

The engagement groove 22 has a shape along the outer periphery of the rear half of the locking piece 30, and in this embodiment, the engagement groove 22
is formed by extending somewhat forward, and holds more than half of the locking piece 30 to maintain engagement of the locking piece 30.

As shown in FIG. 2, locking grooves 39, 39 are formed in the rear corner of the base member 1, and engagement grooves 41, 41 are formed in the front side surface.

As shown in FIGS. 7 and 8, the locking piece 30 is formed into a plate spring shape by a main body 30a having an annular shape and a plurality of holding pieces 30b extending inwardly and upwardly from the main body 30a. , as shown in FIG.
The head 50a of the head 50a is held. A holding member 60 is disposed between the locking piece 30 and the recess 3a as shown in FIGS. 1, 10, and 11, and in this embodiment, the holding member 60 is composed of a coil spring. There is.

40 is a cover member, and the cover member 40 includes a base 44 and two legs 42 extending from the base 44.
43, forming a substantially U-shape in plan view (see FIG. 5).

The tips of the legs 42, 43 of this cover member 40 have claws 42a, 43a facing inward, and the legs 42, 43,
Engaging portions 42b, 43b are provided on the inner surface of the proximal end of 43.
are formed respectively, and a protrusion 44a is formed on the inner surface of the intermediate portion of the base portion 44 so as to face inward.

This cover member 40 is attached to the base member 1 by engaging the engaging portions 42b, 43b with the engaging grooves 41, 41 of the base member 1 and locking the claw portions 42a, 43a with the locking grooves 39, 39. At this time, the protrusion 44a presses the locking piece 30 with a predetermined force as shown in FIG.
2 is securely fitted. In other words, the claw portion 42
When the locking pieces a and 43a are locked in the locking grooves 39 and 39, it can be confirmed that the locking piece 30 is reliably fitted into the locking groove 22.

The procedure for assembling the base member 1 and the stay 3 is as follows.

First, as shown in FIG. 13, the bolt 50 is fitted into the locking piece 30 to temporarily attach the two, and then the first
As shown in FIG.
screw into the screw hole 3C and temporarily secure them. In this state, the locking piece 30 is attached to the first slope 3 of the base member 1.
1, that is, along the first slope 31 in the direction G in FIG. 10, the locking piece 30 is fitted into the engagement groove 22. In this state, insert a screwdriver into the hole 3C from the direction of arrow H in FIG.
The bolt 50 is engaged with the groove 50b formed at the end of the bolt 50, and the bolt 50 is rotated to move the bolt 50 in the direction E in FIG. 1, and the locking piece 30 is tightened. As described above, the stay 3 is fixed to the base member 1.

Note that the height of the support portion 3b is such that the locking piece 30 is
2, the upper end of the support part 3b and the locking piece 3
The height is set such that there is a slight gap between the upper end of the support portion 3b and the lower surface of the locking piece 30, and when the bolt 50 is rotated and tightened in the E direction, the upper end of the support portion 3b and the lower surface of the locking piece 30 come into contact.

In this embodiment, since the support part 3b is formed on the joint surface C of the stay 3, even if the bolt 50 is moved in the E direction and the locking piece 30 is tightened, the front side 30d of the locking piece 30 (locking The part of the piece 30 that is opposite to the part that engages with the engagement groove 22) is the support part 3
It is supported by b and does not deform. Therefore, the set load of the bolt 50 during assembly can be kept constant, thereby making it easier to assemble the vehicle rearview mirror.

In addition, in this vehicle mirror, the mirror housing 7
When an abnormal force is applied to the stay 3, the base member 1
It is configured to fall off. That is, the first
When an impact is applied to the mirror housing 7 and a force F is applied to the stay 3 from the state shown in the figure, the stay 3 rotates in the direction D in FIG. The rear side 50c separates from the holding piece 30b of the spring member 30 (the twelfth
(state shown in the figure), the stay 3 falls off from the base member 1.

(Effects of the invention) As described above, according to the invention, since the support part that supports the part of the locking piece that does not engage with the engaging part is provided, it is possible to fix the locking piece with the fixing means. The deformation of the locking piece can be prevented, and the set load of the fixing means can be kept constant, making assembly of the vehicle rearview mirror easier.

[Brief explanation of the drawing]

Figure 1 is a longitudinal sectional view of a vehicle rearview mirror, Figure 2
3 is a plan view of the base member, FIG. 3 is a view taken along the arrow in FIG. 2, FIG. 4 is a sectional view taken along the line shown in FIG. 2, FIG. 7 is a plan view of the spring member, FIG. 8 is a sectional view taken along the - line in FIG. 7, FIG. 9 is a diagram showing the state of connection of the base member to the stay, and FIG. ,
Fig. 11 is a sectional view taken along the line shown in Fig. 10 with a part of the locking member cut away, Fig. 12 is a diagram showing the state when the stay is about to fall off, and Fig. 13 is a bolt and locking piece. It is a figure which shows the state temporarily assembled with. In addition, in the drawing, 1 is a base member, 3 is a stay, 3
b is a support part, 10 is a mirror, 22 is an engagement part, 30
is a locking piece.

Claims (1)

[Claims for Utility Model Registration] Consisting of a base member supported on the vehicle body side and a stay member that holds the mirror, an engaging portion is formed on either the base member or the stay member, and the base member and the stay member are formed with an engaging portion. A part of the locking piece provided between the stay members is engaged with the engaging portion, and the locking piece is fixed to the other of the base member or the stay member by a fixing means to connect the base member and the stay member. In the vehicle rearview mirror configured to be assembled, when the locking piece is fixed to the base member or the stay member that does not form the engagement portion by the fixing means, the locking piece is fixed to the base member or the stay member that does not form the engagement portion. A vehicle rearview mirror characterized by having a support portion that supports a portion that does not engage with the mating portion.