JP3405007B2 - Automotive seat belt retractor mounting structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat belt retractor mounting structure for an automobile.

[0002]

2. Description of the Related Art As a seat belt retractor mounting structure for an automobile, as shown in, for example, Japanese Patent Application Laid-Open No. 4-154486, a housing in which a webbing can be wound and a base extending above and below the housing are provided. A seatbelt retractor having a seat portion is inserted through a storage hole formed in the storage portion in a size capable of storing the seatbelt retractor, and the left and right centers of the seatbelt retractor are provided at upper and lower edges of the storage hole. The fastener is supported by being screwed to a fastened tool that is fixed to a center pillar panel as a vehicle body at a position that substantially coincides with the line.

In such a seat belt retractor mounting structure for an automobile, since the base portion is provided on the inside of the vehicle compartment, the position of the housing approaches the inside of the vehicle compartment, and the vehicle interior space is narrowed.

Therefore, as shown in FIGS. 12 and 13,
A seat belt retractor 7 having a housing 3 and a base portion 5 hanging from the housing 3 so that the webbing 1 can be wound up freely can be stored in a storage portion 11 formed in a center pillar panel 9 as a vehicle body. It is inserted through a storage hole 13 formed to have a size.

The seat belt retractor 7 is inserted into the storage hole 13.
When inserting the seat belt retractor 7, the claw portion 15 as an engaging portion formed on the lower edge portion 13a of the housing hole 13 is formed at a position substantially aligned with the right and left center line 7a of the seat belt retractor 7. By locking the opening 17 as a locking portion,
The seat belt retractor 7 can be temporarily held on the center pillar panel 9.

Next, a bolt 21 as a fastener that can be inserted into a through hole 19 formed at a position where the lower edge portion 13a of the storage hole 13 substantially coincides with the right and left center line 7a of the seat belt retractor 7. The seatbelt retractor 7 is supported by the center pillar panel 9 by being fastened to the nut 23 as a fastener to be fastened to the center pillar panel 9 by screwing.

[0007]

However, according to the above-mentioned conventional example, the position where the claw portion 15 as the engaging portion is formed and the position where the through hole 19 into which the bolt 21 is inserted are formed. Left and right direction of the seat belt retractor 7 (the seat belt retractor 7 is the center pillar panel 9
Being supported by, the left-right direction here refers to the front-back direction of the car after it is assembled to the car)
Since they are at almost the same position in the
Depending on the torque direction at the time of fastening 1, the seat belt retractor 7 acts in the rotating direction. Therefore, the operator must hold down the seat belt retractor 7 until the assembly is completed, and improvement in workability is desired.

Further, when the opening 17 serving as a locking portion of the seat belt retractor 7 is temporarily held by the claw portion 15 serving as an engaging portion, the seat belt retractor 7 is moved from the eye position of the operator. Only the webbing 1 can be seen, and the claw portion 15 and the opening 17 cannot be directly visually inspected. This engagement is a so-called "blind work" in which the operator moves back and forth several times to search for a caught position. Therefore, it is necessary to have a high degree of skill and improvement of workability is desired.

Therefore, the present invention has been made in view of the above points, and an object of the present invention is to improve the mounting workability of an automobile seat belt during the main holding and the temporary holding. It is to provide a retractor mounting structure.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 comprises a housing in which a webbing can be wound, and a base portion which is hung from the housing and has a fastener. a seat belt retractor Ru comprising a can substantially matching positions and the left and right center line of the seat belt retractor in the lower edge of the and the receiving hole has a housing hole formed in the housing can be sized receiving portion A seatbelt retractor mounting structure for an automobile, wherein the seatbelt can be supported by a vehicle body in which a through hole is formed through which a fastener that can be screwed into the fastener can be inserted.
Place the retractor in the left-right center of the general surface of the housing.
A pillar that is projected at a position that is biased to the left or right from the installation
Section and a claw section protruding left and right from the column section
1 locking part and the 1st locking part centering on the 1st locking part
The second locking portions that are respectively provided on the outer sides and project from each other.
In the vehicle body, the seat belt retractor
At the center of the through hole so that the base can be engaged.
On the other hand, a member formed at a position biased to either the left or right
In the state in which the joint portion and the pillar portion of the first locking portion are engaged,
1 It can be removed by the claw part of the locking part and the second locking part.
Position that is prevented and is biased to the same side as the engaging part
It has a stopper formed in .

Therefore, by inserting the seat belt retractor into the accommodation hole formed in the vehicle body and rotating the seat belt retractor to the left or right, the upper side and the lower side of the seat belt retractor can be temporarily held on the vehicle body. The person releases the seat belt retractor, and then the fastener is passed through the through hole of the vehicle body and screwed into the fastened member of the base portion, so that reliable holding is possible.

The above-mentioned temporary holding will be described in more detail.

The upper temporary support of the seat belt retractor is formed with the first locking portion and the second locking portion of the seat belt retractor on the vehicle body when the seat belt retractor is inserted into the storage hole of the storage portion. By engaging with the stopper, even if the housing side of the seat belt retractor rotates in the direction in which the weight of the webbing causes the seat belt retractor to fall inside the storage portion, the first locking portion and the second locking portion engage with the stopper. The position is maintained without falling.

Further, the temporary support of the lower side of the seat belt retractor is such that after temporarily supporting the upper side of the seat belt retractor, the seat belt retractor is rotated to the left and right center of gravity of the seat belt retractor to thereby form a base portion of the seat belt retractor. Can be engaged with an engaging portion formed on the vehicle body, and its position is maintained.

According to a second aspect of the invention, there is provided the vehicle seat belt retractor mounting structure according to the first aspect, wherein the stopper is disposed at a position on the screw direction side of the fastener with respect to the center position of the through hole. It is characterized in that it is formed in a biased position.

Therefore, the screwing direction of the fastener accompanying the fastening operation of the fastener, that is, the clockwise torque if the screw is right-handed, and the counterclockwise torque if the screw is left-handed is applied to the seat belt retractor through the fastener. Due to the torque, the first locking portion and the second locking portion of the seat belt retractor are more reliably engaged with the stopper.

The invention of claim 3 is the invention of claim 1 and claim 2.
The seatbelt retractor mounting structure for an automobile according to any one of claims 1 to 4, wherein the stopper is formed in a concave shape so that the pillar portion of the first engaging portion of the seatbelt retractor is inserted. To do.

Therefore, when the seat belt retractor is inserted into the housing portion of the vehicle body, if the seat belt retractor is inserted into the first engaging portion of the seat belt retractor into the stopper of the vehicle body, the first engaging portion of the seat belt retractor moves in the left-right front-rear direction. Will be supported in a state in which movement to is surely prevented.

According to a fourth aspect of the present invention, there is provided the vehicle seat belt retractor mounting structure according to the third aspect, wherein a chamfered portion is formed on the opening side of the stopper.

Therefore, when the seat belt retractor is inserted into the housing portion of the vehicle body, it is guided and inserted into the chamfered portion of the stopper of the vehicle body, so that the pillar portion of the first engaging portion of the seat belt retractor is the stopper. It will be easier to insert it on the opening side.

According to a fifth aspect of the present invention, there is provided the vehicle seat belt retractor mounting structure according to any one of the first to fourth aspects, wherein the engaging portion and the stopper are the same.
Formed by a flange formed on the lower edge of the storage hole
It is characterized by becoming.

Therefore, the first locking portion of the seat belt retractor is easy to insert, and the first locking portion is not visible even when the seat belt retractor is attached, that is, when the so-called "blind work" is performed. Is guided by the chamfer on the opening side of the flange and can be inserted into the engaging portion, so that the mounting is significantly facilitated.

[0023]

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

1 to 11 show an automobile seat belt retractor mounting structure according to a first embodiment of the present invention. The same members as those in the conventional example shown in FIGS. 12 and 13 will be described using the same reference numerals.

That is, in the seatbelt retractor mounting structure for an automobile, the housing 3 in which the webbing 1 can be freely wound.
A seatbelt retractor 7 having a base portion 5 having a nut 23 as a fastener to be hung from the housing 3 and having a size capable of being stored in a storage portion 11 formed in a center pillar panel 9 as a vehicle body. It is inserted through the storage hole 13 formed in the shell.

An anchor plate 31 made of an iron plate having a vertical dimension of about 50 mm and a horizontal dimension of about 110 mm is supported on the inner surface of the lower edge portion 13a of the storage hole 13 of the center pillar panel 9, and the seat is formed. It is interposed between the base portion 5 of the belt retractor 7 and the center pillar panel 9.

The lower edge portion 13a of the housing hole 13 has a vertical dimension of about 13 at which a bolt 21 as a fastener can be inserted at a position substantially matching the centerline 7a of the seat belt retractor 7 on the left and right sides. A through hole 19 having a width of about 11.5 mm is formed.

By fastening a bolt 21 inserted in the through hole 19 to a nut 23 of the base portion 5 of the seatbelt retractor 7, the seatbelt retractor 7 can be secured.
Are supported by the center pillar panel 9.

In the general portion 31a of the anchor plate 31, as shown in FIG. 4, the through hole 3 having substantially the same position and substantially the same size as the through hole 19 of the center pillar panel 9.
3 is formed.

The anchor plate 31 is bent about 20 mm below the vertical center position 33a of the through hole 33, and is bent at a right angle toward the vehicle outer side Outer (shown in FIG. 5).
At the lower end portion 31b having a width of 4 mm, a position deviated from the left-right center position 33b of the through hole 33 to the left or right by about 11 mm (in the present embodiment, the left center pillar panel 9 has a passenger compartment The seat belt retractor is on the left side (shown in FIG. 4) when viewed from the inside, that is, the position on the front FR side of the vehicle, and on the right center pillar panel 9 that is on the right side when viewed from the vehicle interior side, that is, on the rear side of the vehicle. The engaging portion 35 with which the base portion 5 of 7 can be engaged is formed.

The engaging portion 35 will be described in more detail. As shown in FIG. 6, the bottom portion is 4.5 mm with the bottom portion being a position offset by 11 mm to the left and right center position 33b of the through hole 33. At the depth of 2.5 mm with an opening of 35 mm to the right
It is formed in a notch shape facing a.

Approximately 40 mm above the vertical center position 33a of the through hole 33 of the anchor plate 31, toward the inner side of the passenger compartment (shown in FIG. 5) and at an angle of about 60 degrees with respect to the vertical line 34 by Θ. As shown in FIG. 4, the upper end portion 31C having the inclination angle of is on the same side as the engaging portion 35 (in the present embodiment, the left center pillar panel 9 has a left side when viewed from the vehicle interior side, that is, a front side of the vehicle). The stopper 37 is formed at a position closer to the FR side and on the right side center pillar panel 9 by a distance of about 10 mm to the right side as viewed from the vehicle interior side, that is, the position on the vehicle rear side.

The stopper 37 will be described in more detail. As shown in FIG. 6, a recess 39 having a width dimension of 6.5 mm is formed at a position deviated by about 10 mm from the lateral center position 33b of the through hole 33. There is a center position 39a, and chamfered portions 41, 41 having a width dimension of 5 mm and a height dimension of 3 mm are formed at both ends of the recess 39.
Has a width dimension of 10 mm.

The outer side portion 43a of the claw 43 is formed so as to be cut off to the upper end portion of the general portion 31a of the anchor plate 31.

The seatbelt retractor 7 has a position which is deviated by about 11 mm to the left or right of the general surface 3a of the housing 3 to the left or right center line 3b (in the present embodiment, the left seatbelt retractor 7). Is the right side when viewed from the vehicle interior side (left side when viewed from the housing 3 side as shown by the solid line in FIG. 9), that is, the vehicle front FR side, and the seat belt retractor 7 on the right side is the left side when viewed from the vehicle interior side. (The right side when viewed from the housing 3 side as shown by the chain double-dashed line in FIG. 9), that is, the position on the rear RR side of the vehicle) is projected horizontally outward and is formed so as to be engageable with the stopper 37. Column 45 having a width dimension of about 6 mm and column 4
5, a first locking part 49 having claws 47 and 47 that are prevented from slipping out of the recess 39 of the stopper 37 by being locked to the claw 43 of the stopper 37 by protruding from the left and right.
The housing 3 has the left and right sides of the general surface 3a, that is, second locking portions 51, 51 projectingly provided so as to be engaged with the outer side portions 43a of the claws 43 of the stopper 37, respectively.

Reference numeral 53 is an impact sensor of the seat belt retractor 7.

Therefore, because of the configuration of the first embodiment of the present invention described above, the center pillar panel 9 as a vehicle body
The seat belt retractor 7 is inserted into the storage hole 13 formed in the seat belt 13 as shown by the broken line in FIG. 1, and the first and second seat belt retractors 7 are provided as shown by the chain double-dashed line in FIG. By engaging the locking portions 49 and 51 with the stopper 37 of the anchor plate 31, even if the housing 3 side of the seat belt retractor 7 rotates in the direction in which the weight of the webbing 1 falls inside the storage portion 11, Since the first and second locking portions 49 and 51 are engaged with the stopper 37 and do not fall into the storage portion 11 and their positions are held, the upper side of the seat belt retractor 7 is temporarily attached to the center pillar panel 9. Retained. This state is the A position.

Next, as shown by the solid line in FIG. 1, when the seat belt retractor 7 is raised, the broken line state of FIG. 2, that is, the horizontal center line 3b of the housing 3 of the seat belt retractor 7 from the vertical state. As shown by the solid line, the first and second locking portions 49, 51 of the seat belt retractor 7
By rotating the anchor plate 31 and the stopper 37 of the anchor plate 31 to the right as a fulcrum, the base portion 5 of the seat belt retractor 7 is moved to the anchor plate 31 as shown in FIG.
The lower side of the seat belt retractor 7 can be temporarily held by the center pillar panel 9 by being engaged with the engaging portion 35 of. This state is the B position.

Therefore, the operator can temporarily hold the upper side and the lower side of the seat belt retractor 7 on the center pillar panel 9, so that the operator can remove the hand from the seat belt retractor 7.

As shown in FIGS. 1 and 3, when the base portion 5 of the seat belt retractor 7 interferes with the lower end portion 31b of the anchor plate 31 at the D position, the first and second locking of the seat belt retractor 7 is performed. Even when the parts 49, 51 and the stopper 37 of the anchor plate 31 are rotated to the right as a fulcrum, as shown in FIGS. 1 and 3, the lower end portion 31b of the anchor plate 31 is in the C position and the seat belt retractor 7 is rotated. The base portion 5 interferes and cannot fit in the B position.

Next, the through hole 1 of the center pillar panel 9
By allowing the bolt 21 to pass through 9 and screwing it into the nut 23 of the base portion 5 of the seatbelt retractor 7, the seatbelt retractor 7 can be securely held on the center pillar panel 9.

Further, the seat belt retractor 7 is driven by the clockwise torque associated with the fastening operation of the bolt 21.
First and second locking portions 49, 5 of the seat belt retractor 7
Since the base portion 5 of the seat belt retractor 7 is rotated about the engagement position of the stopper 37 of the anchor plate 31 and the anchor plate 31, the base portion 5 is biased in the engaging portion 35. , Will be securely engaged.

When the seat belt retractor 7 is inserted into the storage portion 11 of the center pillar panel 9,
When the first and second locking portions 49, 51 of the seat belt retractor 7 are inserted into the stopper 37 of the center pillar panel 9, the first and second locking portions 49, 51 of the seat belt retractor 7 are moved in the left-right front-back direction. It is supported while being surely prevented from moving.

When the seat belt retractor 7 is inserted into the storage portion 11 of the center pillar panel 9,
Since the first locking portion 49 is inserted by being guided by the chamfered portion 41 of the stopper 37 of the anchor plate 31 of the center pillar panel 9, the first locking portion 49 of the seat belt retractor 7 is inserted.
The pillar portion 45 of the locking portion 49 can be easily inserted into the stopper 37 side of the anchor plate 31.

Not limited to the first embodiment of the present invention described above, a flange corresponding to the upper end 31c of the anchor plate 31 is formed on the lower edge 13a of the storage hole 13, and the opening of the flange is formed. The chamfered portion may be formed on the side.

According to the second embodiment, the first locking portion 49 of the seat belt retractor 7 can be easily inserted, and when the seat belt retractor 7 is attached, the first and first attachment portions of the seat belt retractor 7 are attached. 2 locking parts 49, 51 and stopper 3
Even in the so-called "blind work" where the seat belt retractor 7 cannot be seen visually, the first engaging portion 49 can be guided by the chamfered portion on the opening side of the flange and inserted into the recess 39. Will be significantly easier to install.

[0047]

As apparent from foregoing description, according to the invention of claim 1, the seat belt Ru and a base portion having a winding freely and the housing and is suspended from the housing and the fasteners webbing The retractor has a storage hole formed in the storage portion and has a size capable of being stored, and is attached to the fastener at a position substantially coincident with the left and right centerlines of the seat belt retractor at the lower edge of the storage hole. With a vehicle body that has a through hole that allows a threadable fastener to pass through,
In a vehicle seatbelt retractor mounting structure that can be supported, in the seatbelt retractor,
Either left or right from the left and right center position of the general surface of the housing
From the pillar portion and the pillar portion that is projected at a position biased to one
A first locking portion having claw portions protruding left and right;
The first locking portion is centered and protrudes outward from the first locking portion.
And a second locking portion provided on the vehicle body.
Engages with the base portion of the seat belt retractor
Either left or right with respect to the center position of the through hole as possible
The engaging portion formed at a position biased to one side,
Claw portion of the first locking portion in a state that the pillar portion of the first locking portion is engaged
And the second locking portion prevents the stopper from coming off.
Together with the engaging portion, it must be formed at a position biased to the same side.
Because; and a that the stopper, the accommodating hole formed in the vehicle body by inserting a seat belt retractor, the seat belt retractor is rotated to the left or right, upper and lower side of the seat belt retractor body In this case, the worker can remove the seat belt retractor by hand, and then the fastener is passed through the through hole of the vehicle body and screwed into the fastened member of the base portion, so that reliable holding is possible.

The above-mentioned temporary holding will be described in more detail.

The temporary support on the upper side of the seat belt retractor is formed with the first locking portion and the second locking portion of the seat belt retractor on the vehicle body when the seat belt retractor is inserted into the storage hole of the storage portion. By engaging with the stopper, even if the housing side of the seat belt retractor rotates in the direction in which the weight of the webbing causes the seat belt retractor to fall inside the storage portion, the first and second locking portions engage with the stopper and do not fall. , Its position is retained.

The temporary support of the lower side of the seat belt retractor is such that after temporarily supporting the upper side of the seat belt retractor, the seat belt retractor is rotated to either the left or right side of the seat belt retractor. Can be engaged with an engaging portion formed on the vehicle body, and its position is maintained.

According to the second aspect of the invention, the stopper is disposed at a position deviated to the screw direction side of the fastener with respect to the central position of the through hole. In addition to the effect according to claim 1, the screw direction of the fastener accompanying the fastening operation of the fastener, that is, the clockwise torque if the screw is right-handed, and the counterclockwise torque if the screw is left-handed is the seat belt through the fastener. Although added to the retractor, the torque causes the first locking portion and the second locking portion of the seat belt retractor to be more reliably engaged with the stopper.

According to the invention of claim 3, the stopper is formed in a concave shape so that the pillar portion of the first engaging portion of the seat belt retractor is inserted therein. And in addition to the effect according to claim 2,
When the seat belt retractor is inserted into the housing portion of the vehicle body, if the seat belt retractor is inserted into the first locking portion of the seat belt retractor at the stopper of the vehicle body, the first locking portion of the seat belt retractor surely moves in the left-right front-back direction. Will be supported in the state of being blocked.

According to the invention of claim 4, there is provided a seat belt retractor mounting structure for an automobile, characterized in that a chamfered portion is formed on the opening side of the stopper. In addition to the effect, when the seat belt retractor is inserted into the storage portion of the vehicle body, the seat belt retractor is inserted while being guided by the chamfered portion of the stopper of the vehicle body, and the pillar portion of the first locking portion of the seat belt retractor is on the opening side of the stopper. It will be easy to insert into.

According to the invention of claim 5, the engaging portion and the
The stopper is a flap formed on the lower edge of the storage hole.
Because characterized by comprising formed by Nji claim 1 in addition to the effects according to any one of claims 4, to the first locking portion is easily inserted in the seat belt retractor, the seat belt The first locking portion can be inserted into the engaging portion even during the so-called "blind work" in which the attaching portion cannot be visually observed during the work of attaching the retractor, which makes the attachment significantly easier.

As described above, the seatbelt retractor mounting structure for an automobile has remarkably improved mounting workability during the main holding and the temporary holding.

[Brief description of drawings]

FIG. 1 is a side view showing a seat belt retractor mounting structure for an automobile according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram according to arrow A in FIG.

FIG. 3 is an explanatory view taken along the arrow B of FIG.

4 is a front explanatory view of the anchor plate 31 of FIG. 1. FIG.

5 is an explanatory side view of FIG.

FIG. 6 is a top view of FIG.

7 is a cross-sectional explanatory view taken along the line CC of FIG.

FIG. 8 is an explanatory diagram according to arrow D in FIG.

9 is a front explanatory view of the seat belt retractor 7 of FIG. 1. FIG.

10 is an explanatory diagram according to arrow E in FIG.

FIG. 11 is an explanatory view taken along the arrow F of FIG.

FIG. 12 is a front explanatory view of a conventional seat belt retractor mounting structure for an automobile.

FIG. 13 is a perspective explanatory view of a main part of a conventional example.

[Explanation of symbols]

1 webbing 3 housing 3a General surface of housing 3b Left and right center line of the general surface of the housing 5 Base 7 Seat belt retractor 7a Left and right center line of seat belt retractor 9 Center pillar panel as a vehicle body 11 Storage 13 storage holes 13a Lower edge of storage hole 19 through holes 21 Bolts as fasteners 23 Nuts as fasteners 31 anchor plate 31a General part of anchor plate 31b Lower end of anchor plate 31c An upper end of the anchor plate 33 Anchor plate through hole 33a Vertical center position of through hole of antenna 33b Left and right center position of through hole 35 Engagement part 35a Opening of engaging part 37 Stopper 39 recess 39a Center position of recess 41 Chamfer 43 Stopper claw 43a Outer side of nail 45 Stopper pillar 47 Claw 49 First locking part 51 Second locking part

Claims (5)

(57) [Claims] 1. A webbing is suspended from the housing and the housing that is freely winding a and the seat belt retractor Ru and a base portion having a target fastener, accommodated is formed in a size capable to receiving portion A through hole which has a storage hole and which is capable of penetrating a fastener that can be screwed into the fastened tool is formed at a position substantially matching the left and right centerlines of the seat belt retractor at the lower edge of the storage hole. In a vehicle seatbelt retractor mounting structure that can be supported by a vehicle body that is made up of:
At a position deviated to the left or right from the center position on the left and right of the general surface
Do not project from the pillars and the pillars to the left and right.
And a first locking part having a claw part
Also, the second locking portions projecting from the first locking portions, respectively.
And the base of the seat belt retractor is attached to the vehicle body.
The center of the through hole so that the
Engaging portion formed at a position biased to either the left or right side
And the first engaging member in a state in which the pillar portion of the first locking portion is engaged.
Prevents disengagement by the claw part of the stop part and the second locking part
And is formed in a position biased to the same side as the engaging part.
A seatbelt retractor mounting structure for an automobile, characterized in that it has a stopper that is formed . 2. The automobile seat belt retractor mounting structure according to claim 1, wherein the stopper is disposed at a position deviated toward the screw direction side of the fastener with respect to the center position of the through hole. A seatbelt retractor mounting structure for an automobile, which is characterized in that 3. The seatbelt retractor mounting structure for an automobile according to claim 1, wherein the stopper has a pillar portion of a first locking portion of the seatbelt retractor inserted therein. A seatbelt retractor mounting structure for an automobile, which is formed in a concave shape. 4. The vehicle seat belt retractor mounting structure according to claim 3, wherein a chamfered portion is formed on the opening side of the stopper. 5. The seatbelt retractor mounting structure for an automobile according to claim 1, wherein the engaging portion and the stopper are provided at a lower edge portion of the storage hole.
A seatbelt retractor mounting structure for an automobile, characterized by being formed by a formed flange .