Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R22/00—Safety belts or body harnesses in vehicles
  • B60R22/18—Anchoring devices
  • B60R22/20—Anchoring devices adjustable in position, e.g. in height
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R22/00—Safety belts or body harnesses in vehicles
  • B60R22/18—Anchoring devices
  • B60R22/20—Anchoring devices adjustable in position, e.g. in height
  • B60R22/201—Anchoring devices adjustable in position, e.g. in height with the belt anchor connected to a slider movable in a vehicle-mounted track
  • B60R22/202—Anchoring devices adjustable in position, e.g. in height with the belt anchor connected to a slider movable in a vehicle-mounted track the slider comprising spring-actuated locking means
  • B60R22/203—Anchoring devices adjustable in position, e.g. in height with the belt anchor connected to a slider movable in a vehicle-mounted track the slider comprising spring-actuated locking means the locking means being movably mounted on the slider

Definitions

• the present invention relates to an anchor device for a seat belt that supports the upper end of a shoulder of a vehicle seat belt mounted on an automobile or the like so as to be adjustable in height.
• the present invention relates to an anchor device for a seat belt, in which an adjustment range of a belt support point is increased without increasing a total length of a belt member. .
• This type of conventional seat belt anchor device is provided with a slide rail on a vertically long rail member fixed to a vehicle body fixed portion such as a center bar.
• the anchor is movably mounted.
• the slip anchor that guides the seat belt through the anchor bolt fixed to the lower part of the slide anchor is supported by the rotation itself. That's it.
• At the top of the slide anchor there is provided a locking pin which can be protruded and retracted from the back to the rear, and is always urged in the protruding direction by a hook and a leaf spring.
• An operation knob is provided integrally with this locking bin. It is.
• a plurality of locking holes are formed in the rail member along the longitudinal direction so as to allow the tip of the locking bin to come off. Pull the operation knob as needed to pull out the lock bin of this body from the lock hole of the rail member.
• the up-and-down movement of the donker is free, and its height can be adjusted by simple operations.
• the operating knob of the locking bin does not interfere with the slip anchor. Since it is necessary to design the length of the rider in the moving direction to be large, the height adjustment range is correspondingly shortened and the product weight is increased.
• a vertical rail member fixed to a vehicle body fixing portion such as a center biller is provided with a slide along a longitudinal direction thereof.
• Hidden car is mounted so that the height can be adjusted.
• the sliding car is provided with a car bolt protruding into the cabin.
• a slip anchor that inserts and supports an intermediate portion of the seat belt is rotatably supported on the anchor bolt.
• a locking bin is removably inserted into a bin hole awarded by the anchor bolt.
• a plurality of locking holes are formed in the rail member along the longitudinal direction of the rail member.
• the anchor bolt holds a spring for biasing the locking bin so that the tip of the locking bin is inserted into this locking hole. Teru.
• On the opposite side of the locking pin from the tip there is provided an operation part for removing the tip from the locking hole.
• the seat belt anchor device of the present invention having the above-described structure is provided by pulling the operating portion of the locking bin provided coaxially at the center of the anchor bolt. With just this, the tip of the locking bin can be pulled out of the locking hole in the rail member, making it easy to adjust the height of the slide anchor. ⁇ ⁇ You can do this.
• the sliding anchor has a moving distance relative to the rail member since the length of the sliding anchor in the moving direction can be shortened much more than before. The height adjustment range of the slide tanker can be increased accordingly.
• the upper end of the seat belt can be connected to the vehicle body fixing part at an appropriate height according to the occupant's sitting height and the size of the physique.
• FIG. 1 is a side sectional view showing an embodiment of the seat belt anchorage apparatus of the present invention
• FIG. 2 is a front view of the apparatus
• FIG. FIG. 2 is a cross-sectional view taken along the line 3-3 in FIG. 2
• FIG. 4 is a schematic diagram showing an example of a locking bin operation unit applicable to the device of the present invention.
• FIG. 1 is a sectional side view showing an example of a seat belt anchor device according to the present invention
• FIG. 2 is a front view of the device
• reference numeral (11) indicates that a vertically long metal plate is formed into a cross-sectional shape as shown in the figure having flanges on both sides, and the required bending rigidity is obtained. And a rail member having a plurality of locking holes (12) and "" formed in the longitudinal direction.
• the rail member (11) is provided at the upper and lower ends thereof.
• the rail member (11) has an inclined guide surface on a front opening portion of each of the locking holes (12) for facilitating detachment of a locking bin (27) described later.
• the rail member (11) is blown from the back of the locking hole (12) to the opening on the back side of each locking hole (12). (18) is slightly recessed from the back of the rail member.
• the actual depth of the locking hole (12) is constant irrespective of the thickness of the rail member (11).
• Reference numeral (19) indicates a slide-in car which is a thick metal plate.
• the slide anchor (19) is slidable through the flanges on both side edges of the rail member (11) and the synthetic resin sheet (20) for reducing frictional force. And is attached movably in the longitudinal direction of the rail member (11).
• the nut (21) inserted through the hole (19a) at the center of the front of the slide anchor (19) and fixed thereto is screwed with an anchor bolt (25). It is worn.
• the fan bolt (25) is a slipper for guiding the upper end of the shoulder of the seat belt (80) slidably via the soundproof bush (22).
• the base (24) of the anchor (23) is rotatably supported.
• the length (SL) in the moving direction is set to be shorter than that of the conventional anchor device, and the rail member (11)
• the moving range (length) for S is larger than that of the conventional anchor device.
• the anchor bolt (25) has a stepped bin hole (26) at the center thereof, and a cylindrical locking bin (27) is provided in the bin hole (26). It is slidably inserted in the direction perpendicular to the moving direction of the slide anchor (13).
• the locking bin (27) is formed by contracting between a step (28) formed in the middle thereof and a spring receiving step (29) in the bin hole (26). The front end portion is always urged in the direction to fit into the locking hole (12) of the rail member (11) according to the loose ring (30).
• Reference numeral (31) denotes an operation knob which is engaged by engaging a claw (33) in a circumferential groove (32) formed in the head of the locking bin (27).
• the operation knob (31) covers the outer periphery of the anchor bolt (25) with a scart portion (34) integrally formed on the outer periphery.
• a locking portion (35) is left for a required length to fit into the locking hole (12) of the rail member (11).
• a groove (36) having a width at least as large as the depth of the locking hole (12) of the rail member (11) is provided in the vicinity thereof.
• an engaging step (37) is formed, which faces the opening edge (18) of the locking hole (12) and can be engaged with the opening edge (18). It has been done.
• Reference numeral (38) indicates a cylinder made of a resin material mounted in the lock (36) of the locking bin (27).
• the cylinder (38) is not deformed by the response when a normal belt is used, and only when an impact load exceeding a predetermined level is applied to the belt, the cylinder (38) comes into contact with the inner surface of the locking hole (12). When pressed, it is deformed or broken, and the engaging step (37) of the locking bin (27) is allowed to be locked on the opening peripheral edge (18) of the locking hole (12). It has rigidity.
• This cylinder (38) has a slit formed in the direction of the axis, and is fitted into the groove (36) of the locking bin (27) using the repelling force of the cylinder (38) itself. Or assembling it, or insert the locking bin (27) into the resin molding die, fill the resin (36) directly with the resin material and mold it.
• the cylinder (38) having a shape conforming to (36) is assembled by bonding it to the locking bin (27).
• any resin that satisfies the above-mentioned mechanical properties can be used.
• a polystyrene resin or a polyester resin is used. Etc. are preferred.
• Cylindrical (38) is designed in consideration of the fact that its outer peripheral surface does not become a hindrance when inserting and removing the locking bin (27) from the locking hole (12).
• Reference numeral (39) is fixed to the front of the slide-in car (13) to cover and hide the rail member (11) and the slide-in car ( 19 ). Check with a sliding garnish.
• the length of the sliding anchor (19) in the moving direction (J2) is shorter than before, and the relative moving length with respect to the rail member (11) is smaller.
• the height increases and the height adjustment range is substantially expanded, it can be more accurately adapted to the occupant's physique.
• the cylinder (38) made of a resin material attached to the locking bin (27) is completely unsuitable for the normal use of the seat belt (80). Since the engagement step (37) of the locking bin (27) is prevented from engaging with the open peripheral green (18) of the locking hole (12) without being deformed, The collision between the outer surface of the stop bin (27) and the inner surface of the locking hole (12) is mitigated to prevent the generation of abnormal noise due to vibration during vehicle running.
• the impact load on the seat belt (80) should be more than a specified value, such as in a vehicle collision.
• the locking pin (27) is passed through the slip bank (23) and the slide bank (19).
• a load in the direction perpendicular to the axis acts on the cylinder, and the cylinder (38) made of resin material is pushed by the inner surface of the locking hole (12) and deforms. Is locked to the opening edge (18) of the locking hole (12), so that the locking bin (27) from the locking hole (12) is prevented from coming off.
• the sliding strength of the sliding door (19) is prevented, and the occupant restraint by the seat belt (80) is properly adjusted. Will be held at
• FIG. 4 shows another embodiment of the seat belt anchor device according to the present invention.
• the small hole is formed in the head of the locking pin (27) in the direction perpendicular to the axis.
• a bull ring (42) is rotatably inserted into the small hole (41), and the bull ring (42) is pulled from the inside of the vehicle cabin. (27).
• the same reference numerals as those in FIGS. 1 to 3 denote the same members and the same parts.
• the bull ring (42) when not in use, the bull ring (42) can be lowered to reduce the number of business trips to the passenger compartment.
• the device can be compacted more.
• the form of the operation section provided on the head of the locking bin (27) is not limited to the above, and a button mechanism may be provided with an appropriate positive cam mechanism interposed therebetween. It is possible to apply an appropriate operation direction changing mechanism, such as transmitting the operation force of the bar to the locking bin (27) and moving this in the axial direction.
• a cover for protecting the occupant's head is usually mounted on the outer surface of the slip bunker (23) including these operation parts.
• the anchor device of the present invention is also applicable to a case where the buckle is connected to the vehicle body above the shoulder of the occupant so as to be able to adjust the vertical position.
• a knocker is attached in place of the slipper anchor, and the bucket is sewn to the tip of the seat belt.
• the tongue is detachably connected.
• the rail anchor member can be connected to the rail member.
• the relative movement length can be increased, the height adjustment range of the slip anchor can be greatly expanded, and at the same time, the slide anchor can be adjusted. It can be designed to have a small weight, and achieves a lighter device and a smaller compactness.
• the operating portion of the locking bin is a slide.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Automotive Seat Belt Assembly (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=15408364

Family Applications (1)

Country Status (7)

Families Citing this family (21)

Citations (7)

Family Cites Families (5)

• 1986
  • 1986-09-26 JP JP1986146470U patent/JPS6352649U/ja active Pending
• 1987
  • 1987-09-25 DE DE19873790601 patent/DE3790601T1/de not_active Withdrawn
  • 1987-09-25 GB GB8811089A patent/GB2213700B/en not_active Expired - Lifetime
  • 1987-09-25 KR KR1019880700556A patent/KR910007135B1/ko not_active IP Right Cessation
  • 1987-09-25 DE DE8888903115T patent/DE3774874D1/de not_active Expired - Lifetime
  • 1987-09-25 US US07/184,550 patent/US4834427A/en not_active Expired - Lifetime
  • 1987-09-25 WO PCT/JP1987/000700 patent/WO1988002323A1/ja active IP Right Grant
  • 1987-09-25 EP EP88903115A patent/EP0289628B1/en not_active Expired - Lifetime

Patent Citations (7)

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