JP2009196513A - Holding structure for seat belt tongue for rear seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a holding structure for a seat belt tongue for a rear seat that is tiltable forward in a vehicle, in which a webbing is fixed as it is taken up when a seat belt is not in use, and both tongues are stably fixed as it is taken up. <P>SOLUTION: The webbing 11 is provided with a distal tongue 12 fixed on a distal end, and an intermediate tongue 13 that is slidable. A rear package tray 4 on the back of a backrest 3b has a takeout port 4a to take out the webbing 11 from a retractor 16, a first tongue housing part 17<SB>1</SB>to house the distal tongue 12, with an insert part 12a downward, as the webbing 11 is taken up by the retractor 16 when the seat belt is not in use, and a second tongue housing part 17<SB>2</SB>provided ahead of the first tongue housing part 17<SB>1</SB>in the vehicle and housing the intermediate tongue 13 making a socket part 13a downward. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a seat belt tongue holding structure of a three-point seat belt device provided for a rear seat of an automobile, and belongs to the technical field of an automobile seat belt apparatus.

  Conventionally, as a seat belt device for restraining an occupant seated in an automobile seat, the front end of a webbing pulled out from a retractor disposed behind one side of a seat back is fixed to the vehicle body side on the same side, There is a three-point type in which a tongue slidably provided on the webbing is engaged with a buckle provided on the other side of the vehicle body. Thereby, one webbing constitutes a part that extends obliquely and restrains the upper body part of the occupant and a part that extends sideways and restrains the waist and abdomen.

  On the other hand, as a three-point seat belt device applicable to the rear center seat, for example, there is one disclosed in Patent Document 1. In this seat belt device, one webbing is provided with two tongues, and the front end tongue provided at the front end portion of the webbing pulled out from the retractor disposed behind one side of the seat back is disposed on the same side. The intermediate tongue that is slidably provided on the webbing is engaged with the buckle on the other side while being engaged with the buckle. When the seat back is not used, the rear center seat can be tilted forward while the webbing is wound up by the retractor.

  As for handling of the tongue when the seat belt is not used, for example, in Patent Document 2, in the two-point seat belt device, the tongue provided at the tip of the webbing is formed in a bag shape provided at the upper end of the seat back. A structure for storing the tongue in the tongue storage portion is disclosed.

JP-A-9-132112 Japanese Utility Model Publication No. 62-1212956

  By the way, in the configuration described in Patent Document 1, when the seat belt is not used, the webbing provided with the tip tongue and the intermediate tongue is wound in a state where both the tongues hang down from the webbing outlet provided near the retractor. Taken. Therefore, the tip tongue and the intermediate tongue may sway during traveling and come into contact with the member provided with the outlet, and as a result, there is a possibility that abnormal noise is generated. In addition, when the seat back is raised from the forward tilted state, the webbing portion exposed from the take-out port is sandwiched between the seat back and the member provided with the take-out port, and the webbing may be folded and the appearance may be impaired. Or the intermediate tongue may be hidden behind the seat back, making it impossible to pull out the next webbing.

  Therefore, the present invention provides a seatbelt tongue holding structure for a rear seat that can be tilted forward of a vehicle. When the seatbelt is not used, the webbing is fixed in a winding state, and both the tongues are stabilized in the winding state. The problem is to fix.

  In order to solve the above-described problems, the present invention is configured as follows.

  First, the invention according to claim 1 of the present application is a holding structure for a seat belt tongue of a three-point seat belt device provided in a rear seat that can be tilted forward of a vehicle of an automobile. A webbing for restraining, a retractor for winding the webbing, and buckles disposed on both sides of the seat for fixing the webbing when the seat belt is used. The webbing engages with each buckle. A front tongue fixed to the front end of the webbing and an intermediate tongue slidable with respect to the webbing are provided, and a rear package tray provided at the rear of the rear seat is provided below the tray. An outlet for taking out the webbing from the retractor provided in the retractor, and when the seat belt is not used, the retractor In a state where Ebingu is wound, wherein said a tongue housing part for accommodating at least one of the two tongues are provided.

  Next, the invention according to claim 2 is the holding structure for the seat belt tongue for the rear seat according to claim 1, wherein the tongue storage portion is configured to store one of the two tongues. In addition, the tongue stored in the tongue storage section or the webbing in the vicinity of the tongue is provided with a holding means for holding the other tongue.

  According to a third aspect of the present invention, in the holding structure for the rear seat seat belt tongue according to the first aspect, the tongue storage portion is configured to store one of the two tongues. In addition, a tongue installation section for installing the other tongue is provided on the upper surface of the rear package tray.

  According to a fourth aspect of the present invention, in the holding structure for the seatbelt tongue for the rear seat according to the first aspect, the tongue storage portion stores the tongue with the end on the insertion side to the buckle facing downward. It is comprised so that it may do.

  Further, the invention according to claim 5 is the holding structure for the seat belt tongue for the rear seat according to claim 1, wherein the tongue storage portion can store only the intermediate tongue, and the intermediate tongue is The insertion side end part to the buckle is configured to be stored toward the rear of the vehicle.

  According to a sixth aspect of the present invention, in the structure for holding the seatbelt tongue for the rear seat according to the first aspect, the tongue storage portion has a front-end tongue with the end on the insertion side facing the buckle facing downward. A first tongue storage section that stores the first tongue storage section; a second tongue storage section that is arranged in front of the vehicle of the first tongue storage section and stores the intermediate tongue with the end on the insertion side facing the buckle facing downward; In these tongue storage portions, the upper end portion of the front end tongue housed in the first tongue storage portion projects upward from the upper end portion of the intermediate tongue housed in the second tongue storage portion. It is provided as follows.

  According to a seventh aspect of the present invention, in the holding structure for the seat belt tongue for the rear seat according to the first aspect, the tongue storage portion is provided on the upper surface of the rear package tray, and the difference to the buckle is provided. A first tongue storage portion for storing the front end tongue with the insertion side end facing the rear of the vehicle, and the first tongue storage portion arranged in parallel in front of the vehicle, and the insertion side end to the buckle is disposed at the rear of the vehicle And a second tongue storage portion that stores the intermediate tongue toward the head.

  According to an eighth aspect of the present invention, in the holding structure for the seat belt tongue for the rear seat according to the first aspect, the tongue storage portion has a front end tongue with the end on the insertion side to the buckle facing downward. A first tongue storage portion to be stored and a first tongue storage portion arranged in parallel to the rear of the vehicle across the outlet, and storing the intermediate tongue with the insertion side end toward the buckle facing the rear of the vehicle And a second tongue storage section.

  The invention according to claim 9 is the holding structure for the seat belt tongue for a rear seat according to any one of claims 1 to 8, wherein the outlet and the tongue storage part are the rear part. It is provided substantially behind the headrest provided in the seat.

  The invention according to claim 10 is the holding structure for the seatbelt tongue for a rear seat according to any one of claims 1 to 9, wherein the tongue includes an insertion portion inserted into a buckle. And a grip portion fixed to the insertion portion, wherein the tongue storage portion is configured to store the insertion portion.

  The invention according to claim 11 is the holding structure for the seat belt tongue for a rear seat according to any one of claims 6 to 8, wherein the shape of the insertion side end portions of the two tongues or The sizes of the tongue storage portions are different from each other, and the tongue storage portions are respectively configured to have shapes or sizes corresponding to the insertion side end portions.

  According to the first aspect of the present invention, a retractor, a webbing, a pair of tongues, and a pair of buckles are provided, so that a three-point seat belt device for restraining an occupant seated on the rear seat is configured.

  The rear package tray behind the rear seat is provided with a tongue storage section that stores at least one of the front tongue and the intermediate tongue, so that the tongue is stored in the state that the webbing is wound up by the retractor. By storing in the part, the webbing from the take-out port when the seat belt is not used is prevented. As a result, since the tongue does not shake, the generation of abnormal noise is prevented. Further, the webbing is prevented from being caught between the rear seat and the rear package tray, and the webbing is not creased or the tongue is not hidden.

  Next, according to the second aspect of the present invention, the tongue that is not stored in the tongue storage portion is held by the holding means on the stored tongue or in the vicinity of the webbing. It is not necessary to provide it. Further, since both of the tongues do not shake, the generation of abnormal noise is reliably prevented.

  According to the invention described in claim 3, since the tongue that is not stored in the tongue storage section is installed in the tongue installation section provided on the upper surface of the rear package tray, it is stored in a simple structure. The tongue that was not used will be held stably. Further, since both of the tongues do not shake, the generation of abnormal noise is reliably prevented.

  According to the invention described in claim 4, since the tongue is stored in the tongue storage portion with the end portion on the insertion side to the buckle facing downward, the tongue is inadvertently dropped from the tongue storage portion due to vibration or the like. There is nothing, and the stored tongue is held stably.

  Further, according to the invention described in claim 5, since the intermediate tongue is stored in the tongue storage portion with the end portion on the insertion side to the buckle facing the rear of the vehicle, the webbing is held with the tip tongue not stored. By pulling the vehicle forward, the intermediate tongue can be easily removed from the tongue storage. Furthermore, since the tip tongue can be inserted into the buckle while the tip tongue is taken out and gripped, the operability is excellent.

  According to the invention described in claim 6, since both the front tongue and the intermediate tongue are accommodated in the tongue accommodating portion, the generation of abnormal noise is reliably prevented. In this case, the front tongue and the intermediate tongue are stored with the end on the insertion side to the buckle facing downward, so that they will not accidentally drop off from the tongue storage section, and the upper end of the front tongue at the rear of the vehicle Is higher than the upper end of the intermediate tongue at the front of the vehicle, so that the front end tongue can be easily taken upward from the front side of the vehicle. Furthermore, the tip tongue can be inserted into the buckle while the tip tongue is taken out and grasped, and the intermediate tongue can be taken out in the same direction as the tip tongue is taken up, so that the operability is excellent. .

  According to the seventh aspect of the invention, since both the front tongue and the intermediate tongue are housed in the tongue housing portion, the generation of abnormal noise is reliably prevented. Each tongue storage section is provided on the upper surface of the rear package tray so that each tongue can be stored in a substantially horizontal position, so that a deep insertion hole for storing the tongue is provided in the rear package tray. This eliminates the complexity of manufacturing the rear package tray. And since the height of a tongue accommodating part can be restrained low, a passenger | crew can ensure a back view easily. Furthermore, since all of the tongues are stored with the insertion side end facing the rear of the vehicle, the webbing arrangement is simplified, and a good-looking storage state is obtained.

  According to the eighth aspect of the present invention, since both the front tongue and the intermediate tongue are stored in the tongue storage portion, the generation of abnormal noise is reliably prevented. The front tongue is stored in the first tongue storage portion with the insertion side end to the buckle facing downward, and the intermediate tongue is the second tongue with the insertion side end to the vehicle rear facing the rear of the vehicle. Since it is stored in the storage portion, the webbing fixed to the front end tongue at the front of the vehicle from the outlet through the intermediate tongue at the rear of the vehicle hides the outlet and improves the appearance. Further, by pulling out the webbing with the front-end tongue at the front of the vehicle, the intermediate tongue at the rear of the vehicle can be easily taken out from the tongue storage portion.

  According to the ninth aspect of the present invention, since the outlet and the tongue storage part are provided substantially behind the headrest and hidden, the appearance is good.

  According to the invention described in claim 10, since the tongue storage portion stores only the insertion portion of the tongue insertion portion and the grip portion, the occupant can easily see the tongue. Furthermore, the tongue can be easily taken out from the tongue storage portion by gripping the grip portion.

  According to the eleventh aspect of the present invention, when both the front tongue and the intermediate tongue are stored, the shapes or sizes of the insertion side end portions of the front tongue and the intermediate tongue are different from each other, Since each tongue storage portion is configured to have a shape or size corresponding to each tongue, a storage error is prevented in advance. Furthermore, since each tongue is correctly accommodated in the corresponding tongue accommodating portion, the webbing is not twisted and twisted wrinkles and creases are not formed.

  Hereinafter, a seatbelt tongue holding structure for a rear seat according to an embodiment of the present invention will be described.

  FIG. 1 is a schematic side view for explaining the configuration of the seat belt device 1, and FIG. 2 is a schematic front view of the same.

  The seat belt device 1 for restraining the occupant A is provided in the rear seat 3 at the center in the rear of the front seat 2. The rear seat 3 includes a seat cushion 3a and a seat back 3b, and the seat back 3b can tilt forward. A rear package tray 4 is provided behind the rear seat 3 in the vehicle.

  The seat belt device 1 includes a webbing 11 for restraining the occupant A, a front end tongue 12 fixed to the front end of the webbing 11, an intermediate tongue 13 slidably provided on the webbing 11, and both sides of the rear seat 3. The first and second buckles 14 and 15 that are disposed and engage with the tongues 12 and 13 are provided below the rear package tray 4 and on one side of the seat back 3b. The retractor 16 winds up the webbing 11 through the provided outlet 4a, and the tongue storage part 17 is provided in the rear package tray 4 and stores the tongues 12 and 13.

  As a result, the front end tongue 12 provided at the front end portion of the webbing 11 pulled out from the retractor 16 on the rear side and one side of the seat back 3b through the outlet 4a is engaged with the first buckle 14 on the same side. The intermediate tongue 13 slidably provided on the webbing 11 can be engaged with the second buckle 15 on the other side. That is, one webbing 11 is configured to constitute a portion 11a that extends obliquely and restrains the upper body portion of the occupant A and a portion 11b that extends laterally and restrains the waist and abdomen.

  FIG. 3 shows how the front tongue 12 and the intermediate tongue 13 are attached to the webbing 11.

  The front end tongue 12 has an insertion part 12a provided with a hole 12a 'to be inserted into and engaged with the first buckle 14, and a grip part 12b fixed to the insertion part 12a and operated by the occupant A. ing. On the other hand, the intermediate tongue 13 similarly includes an insertion portion 13a provided with a hole 13a 'to be inserted into and engaged with the second buckle 15, and a gripping portion 13b fixed to the insertion portion 13a and operated by the occupant A. Respectively. Further, the gripping portions 12b and 13b of the tongues 12 and 13 are provided with slits 12b 'and 13b' through which the webbing 11 is inserted. In that case, the leading end tongue 12 is fixed to the leading end portion of the webbing 11 via a fixing portion 11c in which the leading end portion of the webbing 11 is folded and reinforced after being inserted through the slit 12b ′. On the other hand, in the intermediate tongue 13, only the webbing 11 is inserted into the slit 13 b ′, and the intermediate tongue 13 is slidable on the webbing 11.

  The insertion parts 12a and 13a of the tongues 12 and 13 have the same shape and the vertical and horizontal dimensions are X1 and Y1, respectively, and the engagement holes 12a 'and 13a' have the same shape. Yes. Moreover, the insertion parts 12a and 13a are made of metal such as steel, and the holding parts 12b and 13b are made of synthetic resin.

  4 and 5 show a tongue storage case 20 as an example of the tongue storage section 17.

  The tongue storage case 20 is made of a synthetic resin, and is provided in an opening that opens to the front of the rear package tray 4 facing the vehicle. The tongue storage case 20 includes, as main components, a main body 21, a receiving surface 22 that receives the surface of the insertion portion 12a of the inserted front end tongue 12, and a receiving surface 22, and the insertion portion 12a is elastically formed. Claw portion 23 that engages with the engagement hole 12a ', and a pair of guide portions 24, 24 that guide the left and right end surfaces of the insertion portion 12a. In that case, the distance x1 between the pair of guide portions 24, 24 is set to be slightly larger than the lateral dimension X1 of the insertion portion 12a. It should be noted that when the intermediate tongue 13 is stored, the same tongue storage case 20 is applied, and the description thereof is omitted.

  First, the holding structure according to the first embodiment shown in FIG. 6 will be described. This holding structure corresponds to claim 1 described in the claims, and the basic configuration of each component is as shown in FIGS.

  A take-out port 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the lower part of the front surface of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. Further, a tongue storage case 20 as a tongue storage portion 17 is provided laterally at the rear upper part of the rear package tray 4 from the outlet 4a.

  When the webbing 11 is wound, the front end tongue 12 is stored in a state where the insertion portion 12a is inserted into the tongue storage case 20 and the grip portion 12b protrudes forward from the rear package tray 4. On the other hand, the intermediate tongue 13 that is not stored in the tongue storage case 20 is in a front-down state with the insertion portion 13a facing the rear of the vehicle and the gripping portion 13b facing the front of the vehicle.

  With the above configuration, the rear package tray 4 behind the rear seat 3 is provided with the tongue storage portion 17 for storing the front end tongue 12, so that the webbing 11 is wound up by the retractor 16. By storing the front end tongue 12 in the tongue storage portion 17, the webbing 11 is prevented from drooping from the outlet 4a when the seat belt is not used. As a result, since the tongue does not shake, the generation of abnormal noise is prevented. Further, the webbing 11 is prevented from being caught by the rear seat 3 and the rear package tray 4, and the webbing 11 is not creased or the front tongue 12 or the intermediate tongue 13 is not hidden.

  And since the tongue accommodating part 17 accommodates only the insertion part 12a of the insertion part 12a and the holding | grip part 12b of the front-end | tip tongue 12, the passenger | crew A tends to visually recognize the front-end | tip tongue 12. FIG. Furthermore, the tip tongue 12 can be easily taken out from the tongue storage portion 17 by gripping the grip portion 12b. This effect can also be obtained in second to seventh embodiments described later.

  Next, the holding structure according to the second embodiment shown in FIGS. 7 and 8 will be described. This holding structure corresponds to claim 2 described in claims. In addition, components that are the same as or similar to the components in the first embodiment, including the second embodiment and the embodiments that will be described later, are given the same reference numerals in order to avoid complication of the description. In addition, description of common components will be omitted.

  A take-out port 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the lower part of the front surface of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. Further, a tongue storage case 20 as a tongue storage portion 17 is provided laterally at the rear upper part of the rear package tray 4 from the outlet 4a. Further, in the case of the configuration shown in FIG. 7, a magnet 11d as a holding means is attached to the webbing 11 in the vicinity of the tip tongue 12, that is, the fixing portion 11c. In the case of the configuration shown in FIG. The twelve gripping portions 12b are provided with engagement holes 12c having a relatively large diameter as holding means.

  In the configuration shown in FIG. 7, when the webbing 11 is wound up, the front tongue 12 is inserted in the tongue storage case 20 and the grip 12 b protrudes forward from the rear package tray 4. Stored. On the other hand, the intermediate tongue 13 that is not housed in the tongue housing case 20 is in a front-down state with the insertion portion 13a facing the rear of the vehicle and the gripping portion 13b facing the front of the vehicle. 11d is attracted and held by the fixing portion 11c in the vicinity of the tip tongue 12.

  In the configuration shown in FIG. 8, when the webbing 11 is wound up, the leading end tongue 12 has the insertion portion 12a inserted into the tongue storage case 20 and the gripping portion 12b protruding forward from the rear package tray 4. Stored. On the other hand, the intermediate tongue 13 that is not stored in the tongue storage case 20 has the insertion portion 13a inserted into the engagement hole 12c from below and the front end tongue 12 in the forwardly lowered state with the gripping portion 13b facing the front of the vehicle. Retained.

  For example, a snap may be provided between the fixing portion 11c of the webbing 11 and the intermediate tongue 13 as a holding means in place of the magnet 11d or the engagement hole 12c.

  In this embodiment, the front tongue 12 is stored in the tongue storage case 20 and the intermediate tongue 13 is not stored. However, the intermediate tongue 13 is stored in the tongue storage case 20 and the front tongue 12 is not stored. Since the configuration can be substantially the same, the description is omitted.

  With the configuration described above, the intermediate tongue 13 that is not accommodated in the tongue accommodating portion 17 is retained by the accommodated front end tongue 12 or the adjacent webbing 11 by the engagement hole 12c or the magnet 11c as a retaining means. Therefore, it is not necessary to newly provide a tongue storage section. Further, since both the tongues 12 and 13 do not shake, the generation of abnormal noise is reliably prevented.

  Next, a holding structure according to the third embodiment shown in FIG. 9 will be described. This holding structure corresponds to claim 3 described in claims.

  An outlet 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the upper part of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. In addition, a tongue storage case 20 as a tongue storage portion 17 is provided downward from the outlet 4a in the rear package tray 4 at the front lower part of the vehicle. Further, on the substantially flat upper surface in front of the vehicle from the tongue storage portion 17 in the rear package tray 4, a tongue installation portion 18 having an engagement protrusion 4b protruding upward from the rear package tray 4 is provided.

  When the webbing 11 is wound, the leading end tongue 12 is housed such that the insertion portion 12a is inserted downward into the tongue housing case 20 and the grip portion 12b protrudes upward from the rear package tray 4. On the other hand, the intermediate tongue 13 that is not stored in the tongue storage case 20 has the insertion portion 13a facing the front of the vehicle, the gripping portion 13b facing the rear of the vehicle, and the engagement hole 13a 'of the insertion portion 13a. The protrusion 4b is inserted and installed in the tongue installation part 18 in a substantially horizontal state.

  Note that the engagement protrusion 4b may be omitted when there is no concern about the intermediate tongue 13 falling off from the upper surface of the rear package tray 4. Further, as indicated by phantom lines in FIG. 9, the end of the rear package tray 4 at the front of the vehicle may be bulged upward to form a stopper 4 c that prevents the intermediate tongue 13 from falling off. Further, instead of providing the engaging protrusion 4b, the flat upper surface of the rear package tray 4 may be recessed, and the intermediate tongue 13 may be installed in the recessed portion thus formed.

  In this embodiment, the front end tongue 12 is stored in the tongue storage unit 17 and the intermediate tongue 13 is installed in the tongue installation unit 18, but the intermediate tongue 13 is stored in the tongue storage case 20, Since the front tongue 12 can be configured in the same manner in the case where the front tongue 12 is installed in the tongue installation portion 18, the description thereof is omitted.

  By configuring as described above, the intermediate tongue 13 that is not accommodated in the tongue accommodating portion 17 is installed in the tongue installing portion 18 provided on the upper surface of the rear package tray 4, so that it has a simple structure, The intermediate tongue 13 that has not been stored is also stably held. Furthermore, since both the front tongue 12 and the intermediate tongue 13 do not shake, the generation of abnormal noise is reliably prevented.

  Next, a holding structure according to the fourth embodiment shown in FIG. 10 will be described. This holding structure corresponds to claim 5 described in claims.

  A take-out port 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the lower part of the front surface of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. Further, a tongue storage case 20 as a tongue storage portion 17 is provided laterally at the rear upper part of the rear package tray 4 from the outlet 4a.

  When the webbing 11 is wound, the intermediate tongue 13 is stored in a state where the insertion portion 13a is inserted into the tongue storage case 20 and the grip portion 13b protrudes forward from the rear package tray 4. On the other hand, the front end tongue 12 that is not stored in the tongue storage case 20 is in a front-down state with the insertion portion 12a facing the front of the vehicle and the grip portion 12b facing the rear of the vehicle.

  By configuring as described above, the intermediate tongue 13 is accommodated in the tongue accommodating portion 17 with the insertion portion 13a that is the insertion-side end portion of the second buckle 15 facing the rear of the vehicle. By pulling the webbing 11 forward with the front-end tongue 12, the intermediate tongue 13 can also be easily removed from the tongue storage portion 17. Furthermore, since the tip tongue 12 can be inserted into the first buckle 14 in a state where the tip tongue 12 is taken out and gripped, the operability is excellent.

  Next, a holding structure according to the fifth embodiment shown in FIG. 11 will be described. This holding structure corresponds to claim 6 described in the claims.

An outlet 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the upper part of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. Further, the front of the vehicle lower than the outlet 4a preparative at the rear package tray 4, the first tongue receiving case 20 ₁ of the first tongue containing portion 17 ₁ is provided downwardly. Furthermore, the vehicle front than the first tongue containing portion 17 ₁ of the rear package tray 4, the second tongue storage case 20 ₂ of the second tongue containing portion 17 ₂ is arranged downward.

When the webbing 11 is wound, the tip tongue 12 insertion portion 12a gripping portion 12b is accommodated projects upward from the rear package tray 4 with plugs downward into the first tongue receiving case 20 _1. On the other hand, the intermediate tongue 13 as well, the insertion portion 13a grip portion 13b is accommodated projects upward from the rear package tray 4 with plugs downwardly second tongue storage case 20 _2. In that case, the first and second tongue storage case ₂₀ 1, 20 ₂ has an upper end portion of the tip tongue 12 housed in the first tongue receiving case 20 _1, it is accommodated in the second tongue receiving case 20 ₂ Intermediate It is provided so as to protrude upward by an appropriate height G from the upper end of the tongue 13.

By configuring as described above, both the front tongue 12 and the intermediate tongue 13 are accommodated in the first and second tongue accommodating portions 17 ₁ and 17 ₂ , so that the generation of abnormal noise is reliably prevented. In this case, the front end tongue 12 and the intermediate tongue 13 are stored with the insertion portions 12a and 13a, which are the insertion side end portions to the first and second buckles 14 and 15, facing downward, and the front end tongue at the rear of the vehicle. Since the upper end portion of 12 is higher than the upper end portion of the intermediate tongue 13 in front of the vehicle, the front end tongue 12 can be easily taken upward from the vehicle front side. Further, the tip tongue 12 can be inserted into the first buckle 14 with the tip tongue 12 taken out and grasped, and the intermediate tongue 13 can be taken out in the same direction as the tip tongue 12 is taken upward. Because it can, it is excellent in operability.

The first and plug-side end in a plug portion 12a to the second buckle 15, the tip and the 13a downward tongue 12 and the intermediate tang 13 is the first and the second tongue containing portion ₁₇ 1, 17 ₂ so that the tip tongue 12 and the intermediate tongue 13 are not inadvertently dropped from the first and second tongue storage portions 17 ₁ , 17 ₂ due to vibration or the like. 13 is held stably. This effect can also be obtained for the tip tongue 12 in the third embodiment and the tip tongue 12 in the seventh embodiment to be described later.

  Next, a holding structure according to the sixth embodiment shown in FIG. 12 will be described. This holding structure corresponds to claim 7 described in claims.

A take-out port 4a for taking out the webbing 11 taken up by the retractor 16 is provided at the lower part of the front surface of the rear package tray 4 at the rear of the seat back 3b provided in the rear seat 3. Further, first and second tongue storage portions 17 having engaging projections 4b ₁ and 4b ₂ projecting upward from the rear package tray 4 on the substantially flat upper surface behind the take-out port 4a in the rear package tray 4. ₁ and 17 ₂ are juxtaposed.

When the webbing 11 is wound, the tip tongue 12, in the first tongue containing portion 17 _1, the insertion portion 12a vehicle rear, a grip portion 12b toward the front of the vehicle, and engagement of the insertion portion 12a Goana 12a 'with engaging projections 4b ₁ is fitted into and housed in a substantially horizontal state. On the other hand, the intermediate tongue 13 likewise engages the second tongue containing portion 17 _2, the insert portion 13a the vehicle rear, a grip portion 13b toward the front of the vehicle, and the engaging hole 13a 'of the plug portion 13a The mating protrusion 4b ₂ is inserted and stored in a substantially horizontal state.

As shown in FIG. 3, the engagement hole 12a 'of the front end tongue 12 and the engagement hole 13a' of the intermediate tongue 13 have the same shape, so that the two engagement protrusions 4b ₁ and 4b _{2 are the same.} Has the same shape.

By configuring as described above, both the front tongue 12 and the intermediate tongue 13 are accommodated in the first and second tongue accommodating portions 17 ₁ and 17 ₂ , so that the generation of abnormal noise is reliably prevented. The first and second tongue storage portions 17 ₁ and 17 ₂ are provided on the upper surface of the rear package tray 4 so that the front tongue 12 and the intermediate tongue 13 can be stored in a substantially horizontal mounting state. It is not necessary to provide a deep insertion hole for accommodating the front end tongue 12 and the intermediate tongue 13 in the rear package tray 4, and the manufacturing complexity of the rear package tray 4 is avoided. And since the height of a tongue accommodating part can be restrained low, the passenger | crew A can ensure a back view easily. Furthermore, since all the tongues 12 and 13 are accommodated with the insertion portions 12a and 13a facing toward the rear of the vehicle, the arrangement of the webbing 11 is simplified and a good-looking accommodation state is obtained.

  Next, a holding structure according to the seventh embodiment shown in FIG. 13 will be described. This holding structure corresponds to claim 8 described in claims.

The rear package tray 4 on the rear side of the seat back 3b provided in the rear seat 3 is provided with an outlet 4a for taking out the webbing 11 taken up by the retractor 16. The rear package the vehicle front sides of the outlet 4a preparative in tray 4, the first tongue receiving case 20 ₁ downward as the first tongue containing portion 17 _1, the vehicle rear, the second tongue containing portion 17 ₂ second tongue receiving case 20 ₂ is provided in the lateral as.

When the webbing 11 is wound, the tip tongue 12 insertion portion 12a gripping portion 12b is accommodated projects upward from the rear package tray 4 with plugs downward into the first tongue receiving case 20 _1. On the other hand, the intermediate tang 13, insertion portion 13a grip portion 13b is accommodated protrudes forward from the rear package tray 4 with plugs sideways second tongue storage case 20 _2.

By configuring as described above, both the front tongue 12 and the intermediate tongue 13 are accommodated in the first and second tongue accommodating portions 17 ₁ and 17 ₂ , so that the generation of abnormal noise is reliably prevented. Then, the tip tongue 12 is accommodated in the insertion side end portion first tongue containing portion 17 ₁ and the insertion portion 12a downwardly a to the first buckle 14, the intermediate tongue 13 into the second buckle 15 since the insertion portion 13a is a plug-side end is accommodated in the second tongue containing portion 17 ₂ toward the vehicle rear, fixed to the vehicle in front of the tip tongue 12 via an intermediate tongue 13 from the outlet 4a of the vehicle rear preparative The webbing 11 thus formed hides the take-out port 4a, and the appearance is improved. Further, by drawing the webbing 11 with a vehicle in front of the tip tongue 12, the vehicle rear of the intermediate tongue 13 can also be easily taken out from the second tongue containing portion 17 _2.

  Next, a holding structure according to an eighth embodiment shown in FIGS. 14 and 15 will be described. This holding structure corresponds to claim 9 described in the claims.

  A headrest 3c is provided at the upper end of the seat back 3b of the rear seat 3, and the outlet 4a and the tongue storage part 17 are provided in the rear package tray 4 substantially behind the redrest 3c. In addition, as shown in FIG. 15, it becomes easy to take out the front-end | tip tongue 12 and the intermediate | middle tongue 13 from the tongue accommodating part 17 by notching a part of rear part of the headrest 4c so that it may show with a virtual line.

  By configuring as described above, the outlet 4a and the tongue storage portion 17 are provided substantially behind the headrest 3c and hidden, so that the appearance is good.

  A holding structure according to the ninth embodiment shown in FIGS. 16 to 18 will be described. This holding structure corresponds to claim 11 described in the claims.

  That is, as shown in FIG. 16, the insertion portion 12 a of the tip tongue 12 provided in the webbing 11 is different from the insertion portion 13 a of the intermediate tongue 13 in terms of shape. Specifically, the horizontal dimension and the vertical dimension of the insertion part 12a of the tip tongue 12 are the same X1 and Y1 as described in the first embodiment, whereas the insertion part 13a of the intermediate tongue 13 is the same. The horizontal dimension is X2 smaller than X1, and the vertical dimension is Y2 larger than Y1. The vertical dimension of the engagement hole 12a 'of the front tongue 12 is Z1, while the vertical dimension of the engagement hole 13a' of the intermediate tongue 13 is Z2 larger than Z1.

Then, as shown in FIG. 17, when _{said 2} second tongue containing portion 17 corresponding to the intermediate tang 13 is constituted by the second tongue receiving case 20 _2, houses the insertion portion 13a of the shape described above Preferably, the distance between the pair of guide portions 24, 24 is set to x2, which is slightly larger than the lateral dimension X2 of the insertion portion 13a, and the shape of the claw portion 23 corresponds to the shape of the engagement hole 13a '. Is set. Incidentally, the insertion portion 12a of the tip tongue 12, since the same shape as that shown in FIG. 3, the tongue storage case 20 shown in FIG. 4, first forms the first tongue containing portion 17 ₁ it is applicable as a tongue storage case 20 _1.

On the other hand, as shown in FIG. 18, the first and second tongue storage portions 17 ₁ and 17 ₂ corresponding to the front end tongue 12 and the intermediate tongue 13 are provided on the upper surface of the rear package tray 4. The engagement protrusions 4b ₁ and 4b ₂ provided on the rear package tray 4 have vertical dimensions such that the engagement holes 12a ′ and 13a ′ provided in the insertion portions 12a and 13a of the front tongue 12 and the intermediate tongue 13 are as follows. Z1 and z2 which are slightly smaller than the vertical dimensions Z1 and Z2, respectively.

By configuring as described above, when both the front tongue 12 and the intermediate tongue 13 are stored, the shapes of the insertion portions 12a and 13a that are the insertion side end portions of the front tongue 12 and the intermediate tongue 13 or The first and second tongue storage portions 17 ₁ , 17 ₂ are configured to have shapes or sizes corresponding to the front end tongue 12 and the intermediate tongue 13, so that the storage errors can be made in advance. Is prevented. Further, the front tongue 12 and the intermediate tongue 13 are correctly stored in the corresponding first and second tongue storage portions 17 ₁ and 17 ₂ , respectively, so that the webbing 11 is not twisted and twisted wrinkles and creases are not formed.

  It should be noted that the present invention is not limited to the above-described embodiments specifically described in detail unless departing from the spirit described in the claims.

  According to the present invention, in a seat belt tongue holding structure for a rear seat that can tilt forward of a vehicle, when the seat belt is not used, the webbing is fixed in the wound state, and both the tongues are stably in the wound state. It can be fixed and may be widely used in the technical field of automobile seat belt devices.

It is a schematic side view for demonstrating the seatbelt apparatus which concerns on this invention. It is a schematic front view similarly. It is a front view which shows the attachment state of the front-end | tip tongue and intermediate | middle tongue to webbing. It is a top view of the tongue storage case as an example of a tongue storage part. It is sectional drawing by the II line | wire of FIG. It is a side view which shows the holding structure which concerns on the 1st Embodiment of this invention. It is a side view which shows the holding structure which concerns on the 2nd Embodiment of this invention. It is a side view which similarly shows the modification of a holding structure. It is a side view which shows the holding structure which concerns on the 3rd Embodiment of this invention. It is a side view which shows the holding structure which concerns on the 4th Embodiment of this invention. It is a side view which shows the holding structure which concerns on the 5th Embodiment of this invention. It is a side view which shows the holding structure which concerns on the 6th Embodiment of this invention. It is a side view which shows the holding structure which concerns on the 7th Embodiment of this invention. It is a front view which shows the positional relationship of a headrest, an outlet, and a tongue accommodating part about the holding structure which concerns on the 8th Embodiment of this invention. It is an arrow view from the II direction of FIG. It is a front view which shows a front-end | tip tongue and an intermediate | middle tongue about the holding structure which concerns on the 9th Embodiment of this invention. It is a top view of the tongue storage case as an example of the tongue storage part corresponding to an intermediate | middle tongue similarly. It is a side view which similarly shows the tongue accommodating part corresponding to a front-end | tip tongue and an intermediate | middle tongue.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat belt apparatus 3 Back seat 3c Headrest 4 Rear package tray 4a Outlet 11 Webbing 11d Magnet (holding means)
12 Tip tongue 12a Insertion part (insertion side end part)
12b Holding part 12c Engagement hole (holding means)
13 Intermediate tongue 13a Insertion part (insertion side end part)
13b Grasp part 14 1st buckle 15 2nd buckle 16 Retractor 17 tongue storage part 17 ₁ 1st tongue storage part 17 ₂ 2nd tongue storage part 18 tongue installation part A occupant

Claims (11)

A structure for holding a seat belt tongue of a three-point seat belt device provided in a rear seat that can tilt forward of a vehicle of an automobile,
The seat belt device includes a webbing that restrains an occupant, a retractor that winds up the webbing, and buckles that are disposed on both sides of the seat for fixing the webbing when the seat belt is used,
The webbing is provided with a tip tongue fixed to the tip of the webbing that engages with each buckle, and an intermediate tongue slidable with respect to the webbing,
The rear package tray provided at the rear of the rear seat has an outlet for taking out the webbing from the retractor provided below the tray, and the webbing is wound up by the retractor when the seat belt is not used. A structure for holding a seatbelt tongue for a rear seat, characterized in that a tongue storage portion for storing at least one of the two tongues is provided. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage portion is configured to store one of the two tongues,
A holding structure for a seat belt tongue for a rear seat, wherein the tongue stored in the tongue storage section or the webbing in the vicinity of the tongue is provided with a holding means for holding the other tongue. . In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage portion is configured to store one of the two tongues,
A structure for holding a seatbelt tongue for a rear seat, wherein a tongue installation portion for installing the other tongue is provided on the upper surface of the rear package tray. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
A structure for holding a seatbelt tongue for a rear seat, wherein the tongue storage portion is configured to store a tongue with an end on a side to be inserted into a buckle facing downward. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage portion is capable of storing only the intermediate tongue, and is configured to store the intermediate tongue with the insertion side end to the buckle facing the rear of the vehicle. Seat belt tongue holding structure. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage portion is arranged in parallel with the first tongue storage portion for storing the front end tongue with the insertion side end to the buckle facing downward, and the first tongue storage portion in front of the vehicle. It is composed of a second tongue storage section that stores the intermediate tongue with the insertion side end facing downward,
These tongue storage portions are provided such that the upper end portion of the front tongue received in the first tongue storage portion protrudes upward from the upper end portion of the intermediate tongue stored in the second tongue storage portion. A structure for holding a seatbelt tongue for a rear seat. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage portion is provided on the upper surface of the rear package tray, and has a first tongue storage portion for storing a front end tongue with an end on the insertion side into the buckle facing the rear of the vehicle, and the first tongue storage A seat for a rear seat, wherein the seat is configured in parallel with a front portion of the vehicle and a second tongue storage portion for storing the intermediate tongue with the end on the insertion side to the buckle facing the rear of the vehicle. Belt tongue holding structure. In the holding structure of the seatbelt tongue for the rear seat according to claim 1,
The tongue storage section is arranged in parallel with a first tongue storage section for storing a front end tongue with the end on the insertion side to the buckle facing downward, and behind the first tongue storage section with the take-out port interposed therebetween. A structure for holding a seatbelt tongue for a rear seat, comprising: a second tongue housing portion that houses an intermediate tongue with the insertion side end to the buckle facing the rear of the vehicle. In the holding structure of the seatbelt tongue for the rear seat according to any one of claims 1 to 8,
The seat belt tongue holding structure for a rear seat, wherein the outlet and the tongue storage portion are provided substantially rearward of a headrest provided in the rear seat. In the holding structure of the seat belt tongue for the rear seat according to any one of claims 1 to 9,
The tongue has an insertion part to be inserted into a buckle, and a grip part fixed to the insertion part,
The seat storage tongue structure for a rear seat, wherein the tongue storage portion is configured to store the insertion portion. In the holding structure of the seatbelt tongue for the rear seat according to any one of claims 6 to 8,
The shape or size of the insertion side ends of the two tongues are different from each other,
The holding structure for the seat belt tongue for the rear seat, wherein both the tongue storage portions are respectively configured to have a shape or a size corresponding to each of the insertion side end portions.

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