JP2018203114A - Belt side bracket and guide roller unit - Google Patents

Abstract

To provide a belt side bracket and a guide roller unit which can correspond even if a location of a step panel is further lowered.SOLUTION: A belt side bracket 15 comprises a plate 30 which is coupled to a guide roller 14, and a belt bracket 40 which movably holds a belt 24 between itself and the plate 30. Mutual holding parts 31, 41 such that the plate 30 and the belt bracket 40 hold the belt 24 from a thickness direction constitutes a support structure in which the plate 30 supports the belt bracket 40 on one side in a width direction of the belt 24, and mutual extension parts 32, 42, which extend from the other side in the width direction of mutual holding parts 31, 41, constitutes an engagement structure in which the mutual extension parts 32, 42 are engaged with each other. The plate side extension part 32 has a plate side engaging part 34, and the bracket side extension part 42 has a bracket side engaging part 44 which is engaged with the plate side engaging part 34.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a belt side bracket and a guide roller unit.

2. Description of the Related Art Conventionally, there is a guide roller unit that movably supports a sliding door that opens and closes an opening for getting on and off provided on a vehicle body (for example, Patent Document 1).
Patent Document 1 discloses that a guide roller unit is provided between a floor portion of a vehicle and a step panel that is installed on the vehicle upper side of the floor portion and serves as a step board when getting on and off. This guide roller unit is attached to a belt-side bracket that moves with an endless toothed belt wound around a plurality of pulleys supported by a step panel, and a rail portion that is fastened to the belt-side bracket and provided on the step panel. A guide roller, and a door-side bracket fastened to the guide roller and fixed to the slide door.

  The belt-side bracket includes a plate fastened to the guide roller and a belt bracket that holds the endless toothed belt between the plate. The plate and the belt bracket sandwich the endless toothed belt from the thickness direction at each site extending in the vehicle vertical direction, and are inserted from the vehicle lower side at each site extending outward from the site. Are fastened together.

Japanese Patent Laying-Open No. 2015-123792

  In the belt side bracket described in Patent Document 1, the head of the screw protrudes from the vehicle lower side of the belt side bracket in a state where the plate and the belt bracket are fastened. As a result, when the guide roller unit (belt side bracket) is installed between the vehicle floor and the step panel, the screw head protrudes from the vehicle lower side of the belt side bracket to the vehicle floor. On the other hand, it is necessary to install the step panel on the upper side of the vehicle. That is, there is a limit in bringing the step panel closer to the vehicle floor, and there is room for improvement in terms of lowering the installation position of the step panel.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a belt side bracket and a guide roller unit that can easily cope with a case where the installation position of the step panel is lowered. .

  A belt-side bracket that solves the above problems includes a plate that is fastened to a guide roller that is fixed to a sliding door of a vehicle via a door-side bracket, and a step panel that is installed in a state of being separated from the floor of the vehicle A belt bracket that movably clamps a belt that is wound around a plurality of pulleys supported by the plate, and the plate and the belt bracket sandwich the belt. The plate constitutes a support structure in which the plate supports the belt bracket on one side in the width direction of the belt perpendicular to the moving direction of the belt, and the thickness of the belt is measured from the other side in the width direction of the holding portions. The extending portions extending in the direction constitute an engaging structure in which the extending portions engage with each other, and the plate and the belt The racket is assembled through the support structure and the engagement structure, and the extension portion of the plate has a plate side engagement portion constituting the engagement structure, and the belt bracket The extending portion has a bracket side engaging portion that constitutes the engaging structure by engaging with the plate side engaging portion.

  According to the above configuration, in the assembly of the plate and the belt bracket, the plate-side engaging portion and the bracket-side engaging portion may be engaged with each other at the extended portions, and a fastener such as a screw is attached. No need to use. Thereby, in a mutual extension part, for example, the head of a screw does not protrude on the opposite side of the direction where a mutual clamping part extends. In this case, even if the belt side bracket is installed between the floor portion of the vehicle and the step panel, for example, compared to the case where a screw is used to assemble the plate and the belt bracket, the floor portion of the vehicle, A margin of space for lowering the installation position of the step panel can be secured with the step panel. Therefore, the step panel can be installed close to the floor of the vehicle, and the case where the installation position of the step panel is lowered can be easily handled.

  Specifically, in the belt-side bracket, the engagement structure includes an engagement hole that is one of the plate-side engagement portion and the bracket-side engagement portion, the plate-side engagement portion, and the bracket-side engagement. A structure comprising an engaging claw that is the other of the joint portions and is hooked in the engaging hole, a receiving portion that is one of the plate side engaging portion and the bracket side engaging portion, and the plate side engaging portion And it is the other side of the said bracket side engaging part, It is preferable that it is a structure which consists of a press part which presses the said receiving part.

  According to the said structure, about the assembly | attachment operation | work of the belt side bracket which assembles a plate and a belt bracket, each extension site | parts in the operation | work which overlaps each other extension part so that opposing surfaces may contact | abut Can be engaged.

  That is, in the case of using a fastener such as a screw, it is necessary to perform a fastening operation between the extending portions after the operation of superimposing the extending portions so that the opposing surfaces are brought into contact with each other. Such a fastening operation can be reduced in the above configuration. Thereby, about the assembly | attachment operation | work of a belt side bracket, the number of process steps can be reduced. Therefore, the efficiency of the assembly work of the belt side bracket can be enhanced.

  In the belt-side bracket that solves the above problem, the belt bracket is configured to be thinner than the plate, the engagement hole is the plate-side engagement portion, and the engagement claw is: It is preferable that the bracket side engaging portion, the receiving portion is the plate side engaging portion, and the pressing portion is the bracket side engaging portion.

  According to the above configuration, when the engagement structure is the structure of the engagement hole and the engagement claw, by realizing the engagement claw on the plate and the belt bracket, the member having a small thickness and easy to process, In addition to the ease of processing of the member, it is possible to achieve high efficiency in the assembly work of the belt side bracket. The same applies to the case where the engaging structure is a receiving part and a pressing part.

  A guide roller unit that solves the above problem includes the belt-side bracket, a guide roller fastened to the belt-side bracket, and a door-side bracket fixed to a slide door of a vehicle and fastened to the guide roller. The extension portion of the belt bracket has an insertion portion in which a peripheral edge of a through hole provided in the extension portion is extended in a flange shape in a direction in which the clamping portion extends, and the extension of the plate The portion has a through hole into which the insertion portion is fitted in a state where the plate and the belt bracket are assembled, and the extension of the plate is performed in a state where the plate and the belt bracket are assembled. The part is disposed on the side where the mutual clamping part extends with respect to the extension part of the belt bracket, and the belt bracket The guide roller in a state in which the door side bracket is fastened to the plate and the belt bracket so that the extension portion of the plate is sandwiched between the extension portion of the belt and the guide roller However, the sliding door is movably supported by being fastened by a fastener that is inserted into the insertion portion from the side where the mutual clamping portions extend.

  According to the above configuration, in the assembly of the plate and the belt bracket, the through-hole of the plate is arranged such that the extending portion of the plate is disposed on the side where the holding portion of each other extends with respect to the extending portion of the belt bracket. In contrast, the insertion portion of the belt bracket may be fitted. In this state, the guide roller unit is completed by fastening the guide roller in a state where the door-side bracket is fastened by the fastener from the side where the mutual clamping portions extend. In this case, the assembled state of the plate and the belt bracket becomes a firm fastening state together with the fastening of the guide roller.

  Thereby, for example, at the stage of assembling the plate and the belt bracket, it is only necessary that the assembling can be held in an environment where a force that releases the assembling does not act intentionally. That is, the engagement structure related to the assembly of the plate and the belt bracket need not be so strong. In this case, the plate and the belt bracket are easily processed, and the belt side bracket is efficiently assembled.

  In this case, as described above, even if the guide roller unit is provided between the floor of the vehicle and the step panel, the step panel can be installed close to the floor of the vehicle. It is possible to easily cope with the case where the position is lowered.

  According to the present invention, it is possible to easily cope with a case where the installation position of the step panel is made lower.

The perspective view which shows the structure containing the step panel of the door opening part periphery of the vehicle provided with the guide roller unit. The perspective view which shows the structure about the step panel. FIG. 3 is an end view showing an end surface structure taken along line III-III in FIG. 2. The front view which shows the structure containing the guide roller unit seen from the vehicle lower side about the step panel. The disassembled perspective view which shows the disassembled structure of the belt side bracket about the guide roller unit. The front view which shows the structure seen from the vehicle upper side about the belt side bracket. The end view which shows the end surface structure of the VII-VII line of FIG. The end elevation which shows the end surface structure of the VIII-VIII line of FIG. The end view which shows the end surface structure of the IX-IX line of FIG. (A)-(c) is a figure which shows the process of the assembly | attachment operation | work of a belt side bracket.

Hereinafter, an embodiment of the belt side bracket and the guide roller unit will be described.
As shown in FIGS. 1 and 2, a door opening 2 a is provided on the side surface of the body 2 of the vehicle 1. A sliding vehicle door (hereinafter referred to as “sliding door”) 3 that opens and closes the door opening 2a is provided outside the door opening 2a. The slide door 3 is supported by a guide roller unit GR that is movably installed in the vehicle front-rear direction so as to be movable in the vehicle front-rear direction with respect to the side surface of the body 2 provided with the door opening 2a. A vehicle interior floor 5 provided with a seat 4 and the like is provided on the vehicle inner side of the door opening 2a. A floor 6 is provided in the body 2 at a position one step lower than the passenger compartment floor 5 on the vehicle inner side of the door opening 2a. A step panel 7 is fastened to the floor 6 and serves as a step for an occupant when getting on and off the vehicle 1.

  The step panel 7 includes a rectangular panel body 8 having a long side and a short side. The panel body 8 is made of, for example, a flat plate made of a reinforced resin material. The step panel 7 is configured by attaching a decorative panel (not shown) to the upper surface 8a side of the panel body 8 that is the upper surface of the vehicle. A rail portion 9 that guides the movement of the sliding door 3 in the vehicle front-rear direction is provided on the lower surface 8 b side, which is the vehicle lower surface of the panel body 8. The rail portion 9 is open to the vehicle lower side, has a groove shape having a depth in the vehicle vertical direction, which is the thickness direction of the panel body 8, and extends along the vehicle front-rear direction.

  As shown in FIGS. 2 and 3, the step panel 7 includes a fastening portion 10 a provided on the upper surface 8 a of the panel body 8, and a plurality of step panels 7 provided so as to extend from the lower surface 8 b of the panel body 8 toward the floor portion 6. It is fastened to the floor portion 6 via the mounting portion 11.

  Specifically, as shown in FIG. 3, the attachment portion 11 has a cylindrical shape and is provided on the inner side of the vehicle with respect to the rail portion 9 of the panel body 8. In the mounting portion 11, a fastening portion 10 b is provided on the bottom, which is a lower portion of the vehicle, so as to come into contact with the floor surface 6 a that is the vehicle upper surface of the floor portion 6. The fastening portion 10 b is fastened to the floor portion 6 by a fastener 10 c such as a screw that penetrates together with the floor portion 6. The fastening portion 10 a is fastened to the floor portion 6 by a fastener 10 c such as a screw that penetrates together with the floor portion 6. Thereby, the panel main body 8 is installed in the low position with respect to the compartment floor 5, and the high position with respect to the floor surface 6a. That is, the step panel 7 is fastened to the floor portion 6 in a cantilevered state on the vehicle outer side than the mounting portion 11 so that the panel main body 8 is separated from the floor surface 6a toward the vehicle upper side.

  In the present embodiment, the rail portion 9 is provided on the vehicle outer side with respect to the attachment portion 11 of the panel body 8. On the lower surface 8b side of the panel body 8, a guide roller unit GR is installed in the unit housing portion 12 that is an area between the rail portion 9 and the floor surface 6a facing the rail portion 9. The unit accommodating portion 12 includes a guide roller 14 that is fixed to the slide door 3 via a door-side bracket 13 and a belt-side bracket 15 that is fastened to the guide roller 14. Has been.

  In the unit housing portion 12, a pair of horizontal rollers 14 a that can rotate around an axis extending in the depth direction of the rail portion 9 is mounted on the rail portion 9. The pair of horizontal rollers 14 a are mounted so as to roll inside the rail portion 9. In the unit accommodating portion 12, a load roller 14 b that is rotatable around an axis extending in a direction orthogonal to the direction in which the rail portion 9 extends is mounted on the floor portion 6 of the guide roller 14. The load roller 14b is mounted so as to roll on the floor surface 6a. That is, the guide roller 14 guides the movement of the slide door 3 along the rail portion 9 via the pair of horizontal rollers 14a, and supports the load of the slide door 3 via the load roller 14b.

  As shown in FIG. 4, a drive unit 20 is provided on the lower surface 8 b side of the panel body 8 so as to be adjacent to the vehicle inside of the rail portion 9. The drive unit 20 includes a drive source 21 such as a motor. The drive unit 20 includes a drive pulley unit 22 that is driven by a drive source 21. The drive unit 20 includes a pair of toothed pulleys 23a and an idler pulley 23b that are rotatably supported around an axis extending in the vehicle vertical direction from the lower surface 8b side of the panel body 8. The drive unit 20 includes a ring-shaped belt 24 that is wound around the pulleys 23a and 23b.

  The belt 24 is an endless toothed belt having a plurality of teeth 24a on one end face in the thickness direction. In the present embodiment, the teeth 24 a extend along the depth direction of the rail portion 9 that is the width direction of the belt 24, and extend in a direction orthogonal to the direction in which the rail portion 9 that is the thickness direction of the belt 24 extends. The teeth are extended. That is, in the present embodiment, the tooth trace direction that is the width direction of the belt 24 coincides with the vertical direction of the vehicle, the tooth direction that is the thickness direction of the belt 24 coincides with the vehicle inside / outside direction (vehicle width direction), and the belt 24. The extending direction of the vehicle coincides with the vehicle longitudinal direction.

  A portion of the belt 24 that extends on the side away from the rail portion 9 is drawn into the drive pulley unit 22 so as to mesh with the drive pulley unit 22 while extending from the vehicle front side to the vehicle rear side. As a result, when the drive pulley unit 22 is driven by the drive source 21, the belt 24 is railed while the pair of toothed pulleys 23a are driven to rotate in the vehicle longitudinal direction corresponding to the drive direction of the drive pulley unit 22. It moves along the part 9. That is, in the present embodiment, the width direction of the belt 24 coincides with the direction orthogonal to the moving direction of the belt 24.

  A belt-side bracket 15 (guide roller unit GR) having a U-shape that is movable with the belt 24 by being engaged with the teeth 24a is attached to a portion that extends on the side close to the rail portion 9 of the belt 24. A guide roller 14 (guide roller unit GR) is fastened to a pair of U-shaped leg portions 15 a of the belt side bracket 15. The guide roller 14 is fastened to the belt side bracket 15 via a pair of both side portions 14c extending from the pair of horizontal rollers 14a to both sides in the vehicle front-rear direction. A door-side bracket 13 (guide roller unit GR) having an arm shape fixed to the slide door 3 is fastened to a portion 14d of the guide roller 14 extending from the load roller 14b to the vehicle outer side. The door side bracket 13 is made of, for example, a metal plate. Accordingly, when the belt side bracket 15 moves in the vehicle front-rear direction together with the belt 24, the slide door 3 moves in the vehicle front-rear direction together with the door side bracket 13 and the guide roller 14.

Here, the configuration of the belt side bracket 15 will be described in detail.
As shown in FIGS. 5 and 6, the belt-side bracket 15 includes a plate 30 that is an L-shaped plate member. The belt-side bracket 15 includes a belt bracket 40 that is an L-shaped plate member. The plate 30 and the belt bracket 40 are both plate-like members such as metal plates. The belt bracket 40 is configured to be thinner and easier to process the shape as compared with the plate 30. The belt-side bracket 15 is configured to movably hold the belt 24 between the plate 30 and the belt bracket 40 in an assembled state. When the belt side bracket 15 is assembled, the guide roller 14 is fastened together with the door side bracket 13 to the plate 30 and the belt bracket 40.

  Specifically, as shown in FIG. 5, the plate 30 has a clamping portion (hereinafter referred to as “plate-side clamping portion”) 31 that is a portion that clamps the belt 24 with respect to the belt bracket 40 from the thickness direction. ing. Further, the plate 30 is an extended portion (hereinafter referred to as “plate-side extended portion”) that extends in the thickness direction of the belt 24 from one end side in the width direction of the belt 24 (lower side in FIG. 5) of the plate-side clamping portion 31. 32).

  The plate-side clamping part 31 is a part for clamping the belt 24 from the opposite side where the teeth 24a are provided. In the plate side clamping part 31, the surface 31a facing the belt 24 has a planar shape. In addition, the surface 31b on the opposite side to the thickness direction of the plate-side clamping part 31 of the surface 31a has a planar shape like the surface 31a.

  In the plate-side clamping part 31, a plate-side support part 33 that supports the belt bracket 40 is provided at a tip part 31 c that extends from the plate-side extension part 32. In the present embodiment, the plate-side support portion 33 has a pair of support pieces 33a and a bent portion 33b.

  The pair of support pieces 33a is provided so as to extend in the width direction of the belt 24 from the tip portion 31c. The pair of support pieces 33 a are formed in a rectangular piece shape having a long side and a short side, and are provided so as to be positioned at both ends of the leading end portion 31 c in the extending direction of the belt 24.

  The bent portion 33b is provided so as to bend the tip extending in the width direction of the belt 24 from the tip 31c to the side opposite to the side on which the plate side extending portion 32 extends. The bent portion 33b has an L shape and is provided at the center between the pair of support pieces 33a in the extending direction of the belt 24.

  The plate-side extending portion 32 has a U-shaped outer shape when viewed from the width direction side of the belt 24. The plate side extending portion 32 is provided with a plate side engaging portion 34 that engages with the belt bracket 40. In the present embodiment, the plate side engaging portion 34 has a pair of engaging holes 34a and a receiving portion 34b.

  The pair of engagement holes 34a are provided as through holes that penetrate the plate-side extending portion 32 in the thickness direction. The pair of engagement holes 34a has a square tube shape having a square opening, and is provided at a predetermined interval so as to sandwich the plate-side clamping portion 31 in the extending direction of the belt 24.

  The receiving part 34b is provided as a recess in which the surface of the plate side extending part 32 opposite to the side on which the plate side clamping part 31 extends is recessed. The receiving portion 34 b has a rectangular groove shape having a long side and a short side, and is provided at the center between the pair of engagement holes 34 a in the extending direction of the belt 24.

  Further, the plate side extending portion 32 is provided with a pair of through holes 35 to which the guide roller 14 is fastened. The pair of through-holes 35 are provided so as to penetrate the U-shaped foot portion of the plate-side extending portion 32 in the thickness direction. The U-shaped foot portion of the plate-side extending portion 32 is a portion corresponding to the U-shaped foot portion 15 a of the belt-side bracket 15. Further, the pair of through holes 35 has a cylindrical shape having an oval opening extending in the thickness direction of the belt 24. The pair of through holes 35 are provided at a predetermined interval so as to sandwich the pair of engagement holes 34 a in the extending direction of the belt 24.

  Further, as shown in FIG. 5, the belt bracket 40 has a clamping part (hereinafter referred to as “bracket side clamping part”) 41 which is a part for clamping the belt 24 with the plate 30. Further, the belt bracket 40 is an extension portion (hereinafter referred to as “bracket side extension”) that extends in the thickness direction of the belt 24 from one end side in the width direction of the belt 24 of the bracket side clamping portion 41 (lower side in FIG. 5). 42).

  The bracket side clamping part 41 is a part for clamping the belt 24 from the side where the teeth 24a are provided. In the bracket side clamping part 41, the surface 41a facing the belt 24 has an uneven shape so as to mesh with the teeth 24a. In addition, the surface 41b on the opposite side of the thickness direction of the bracket-side clamping part 41 of the surface 41a has an uneven shape like the surface 41a.

  In the bracket side clamping part 41, a bracket side support part 43 supported by the plate 30 is provided at a tip part 41c extending from the bracket side extending part 42. In this embodiment, the bracket side support part 43 has a hanging part 43a and a recessed part 43b.

  The hanging portion 43a is provided such that a tip extending along a direction in which the bracket side extending portion 42 extends from the tip portion 41c is bent toward the bracket side extending portion 42. The hanging portion 43 a is provided such that the cross-sectional shape in the extending direction of the belt 24 is U-shaped and extends along the extending direction of the belt 24.

  The recessed part 43b is provided so that the front-end | tip of the site | part bent toward the bracket side extension site | part 42 among the hanging parts 43a may be notched in a concave shape. The recess 43b is provided at the center of the hanging portion 43a in the extending direction of the belt 24.

  The bracket side extending portion 42 has a U-shaped outer shape when viewed from the width direction side of the belt 24. A bracket side engaging portion 44 that engages with the plate 30 is provided in the bracket side extending portion 42. In the present embodiment, the bracket side engaging portion 44 has a pair of engaging claws 44a and a pressing portion 44b.

  The pair of engaging claws 44a are provided so that a portion obtained by cutting out the bracket-side extending portion 42 into a U-shape is bent from the base to the side where the bracket-side clamping portion 41 extends. The pair of engaging claws 44a has a claw shape in which the tip projects in the direction in which the teeth 24a of the belt 24 extend, which is the direction of the reaction force generated by the belt 24 when the belt 24 is sandwiched from the thickness direction. ing. Further, the pair of engaging claws 44 a are provided at a predetermined interval so as to sandwich the bracket side clamping part 41 in the extending direction of the belt 24.

  The pressing portion 44b is provided so that a portion obtained by cutting out the bracket-side extending portion 42 into a U-shape is bent from the base in a thickness direction of the bracket-side clamping portion 41 so as to be elastically deformable. The pressing portion 44b has a plate-like shape that is curved so that the tip protrudes in a direction opposite to the direction in which the tips of the pair of engaging claws 44a protrude, and a load can be applied in the direction in which the bracket side clamping portion 41 extends. It has a spring. The pressing portion 44b is provided at the center between the pair of engaging claws 44a in the extending direction of the belt 24.

  Further, the bracket side extending portion 42 is provided with a pair of insertion portions 45 to which the guide roller 14 is fastened. The pair of insertion portions 45 extend the peripheral edges of the pair of through holes that penetrate the U-shaped foot portion of the bracket-side extending portion 42 in the thickness direction in a flange shape along the direction in which the bracket-side clamping portion 41 extends. It is processed and provided. The U-shaped foot portion of the bracket-side extending portion 42 is a portion corresponding to the U-shaped foot portion 15 a of the belt-side bracket 15. Further, the pair of insertion portions 45 has a circular opening and a cylindrical shape having a thread groove on the inner peripheral surface. The pair of insertion portions 45 are provided at a predetermined interval so as to sandwich the pair of engagement claws 44 a in the extending direction of the belt 24.

  As shown in FIG. 6, the belt-side bracket 15 in the assembled state is viewed from the upper side of the vehicle. In the assembled state of the belt-side bracket 15, the plate-side extending portion 32 is located on the upper side of the vehicle. Placed in. The clamping portions 31 and 41 are parallel to each other in the vehicle vertical direction (the depth direction in the drawing in the drawing), which is the width direction of the belt 24, with the belt 24 being clamped between the surfaces 31a and 41a facing each other. It extends. In this case, the sandwiching portions 31 and 41 extend in parallel from the extending portions 32 and 42 toward the vehicle upper side (in the drawing, from the back to the front in the drawing). Further, the extending portions 32 and 42 of each other extend in parallel along the vehicle inside / outside direction (left and right direction in the drawing) which is the thickness direction of the belt 24 in a state where the opposing surfaces are in contact with each other. In this case, the extending portions 32 and 42 extend in parallel from the holding portions 31 and 41 toward the vehicle outer side (right to left in the drawing).

  Then, as shown in FIG. 6 and FIG. 7 showing the end face structure, in the assembled state of the belt side bracket 15, the hanging portion 43a is hooked on the pair of support pieces 33a from the upper side of the vehicle. In this case, the bent portion 33b is fitted into the concave portion 43b from the vehicle lower side. That is, the plate 30 supports the belt bracket 40. As a result, a pair of support pieces 33a and a bent portion 33b are formed at the front end portions 31c and 41c on one side in the width direction of the belt 24 perpendicular to the moving direction of the belt 24 of the clamping portions 31 and 41, A support structure SK is constituted by the hanging portion 43a and the recessed portion 43b.

  As shown in the figure, in the assembled state of the belt side bracket 15, the pressing portion 44b presses the receiving portion 34b from the lower side of the vehicle so as to apply a load to the upper side of the vehicle. In this case, the curved portion of the pressing portion 44b is fitted into the recess of the receiving portion 34b from the lower side of the vehicle. That is, in the plate 30 and the belt bracket 40, the extended portions 32 and 42 are engaged with each other. As a result, the receiving portions 31 and 41 are received at the extending portions 32 and 42 extending in the thickness direction of the belt 24 from the opposite sides of the tip portions 31c and 41c on the other side in the width direction of the belt 24. A spring structure BK that is an engagement structure including the portion 34b and the pressing portion 44b is configured.

  Further, as shown in FIG. 6 and FIG. 8 showing the end face structure, when the belt side bracket 15 is assembled, the pair of engaging claws 44a enter the corresponding pair of engaging holes 34a from the lower side of the vehicle. doing. In this case, among the pair of engagement holes 34a corresponding to the tips of the pair of engagement claws 44a, the inner side of the vehicle inside that is the direction of the reaction force generated by the belt 24 when the belt 24 is sandwiched from the thickness direction. It is caught from the vehicle outer side with respect to the surrounding surface. That is, in the plate 30 and the belt bracket 40, the extended portions 32 and 42 are engaged with each other. In the present embodiment, in the extending portions 32 and 42 that extend in the thickness direction of the belt 24 from the opposite sides of the front end portions 31c and 41c that are the other side in the width direction of the belt 24 of the sandwiching portions 31 and 41, respectively. A claw structure TK that is an engagement structure including a pair of engagement holes 34a and a pair of engagement claws 44a is configured.

  Further, as shown in FIG. 6 and FIG. 9 showing the end surface structure thereof, in the assembled state of the belt side bracket 15, the pair of insertion portions 45 are fitted into the corresponding pair of through holes 35 from the lower side of the vehicle. In this case, the distal ends of the pair of insertion portions 45 protrude upward from the corresponding pair of through holes 35.

  As shown in FIGS. 5 and 6 and FIG. 9 showing the end face structure of the belt-side bracket 15, when the belt-side bracket 15 is assembled, the guide roller from the vehicle upper side to the plate-side extending portion 32 arranged on the vehicle upper side. 14 is fastened. When the guide roller 14 is fastened to the belt side bracket 15, the front ends of the pair of insertion portions 45 enter the through holes 14 e provided in the corresponding pair of both side portions 14 c from the lower side of the vehicle. doing. Then, a fastener 46 such as a screw is inserted into the pair of insertion portions 45 from the upper side of the vehicle through the pair of both side portions 14c. As a result, the guide roller 14 is fastened to the plate 30 and the belt bracket 40 so that the plate side extending portion 32 is sandwiched between the bracket side extending portion 42 and the guide roller 14.

Hereinafter, the operation and effect of this embodiment will be described.
(1) According to this embodiment, in assembling the plate 30 and the belt bracket 40, the pair of engaging holes 34a and the pair of engaging claws 44a are engaged with each other at the extended portions 32 and 42. The receiving portion 34b and the pressing portion 44b may be engaged with each other, and there is no need to use a fastener such as a screw. Thereby, in the mutual extension site | parts 32 and 42, for example, the head of a screw does not protrude on the opposite side of the direction where the mutual clamping site | parts 31 and 41 extend, ie, a vehicle lower side. In this case, even if the guide roller unit GR (belt side bracket 15) is installed between the floor portion 6 and the step panel 7, for example, compared with the case where screws are used for assembling the plate 30 and the belt bracket 40. Thus, the unit accommodating portion 12 can ensure a sufficient space for lowering the installation position of the step panel 7. Therefore, the step panel 7 can be installed close to the floor 6, and it is possible to easily cope with the case where the installation position of the step panel 7 is made lower.

  (2) In the belt-side bracket 15 of the present embodiment, there is no need to use a fastener such as a screw in the assembly of the plate 30 and the belt bracket 40. It can be reduced and is effective in reducing costs.

  (3) According to the present embodiment, in the operation of assembling the belt-side bracket 15, the extending portions 32 of each other are overlapped in the operation of overlapping the extending portions 32, 42 so that the opposing surfaces are brought into contact with each other. 42 can be engaged with each other.

  Specifically, as shown in FIGS. 10A and 10B, in the above assembling operation, the concave portion 43b is positioned in the bent portion 33b in a state where the belt 24 is disposed between the clamping portions 31 and 41. In this state, the hanging portion 43a is hooked on the pair of support pieces 33a from the upper side of the vehicle to support the belt bracket 40 on the plate 30 (support structure SK).

  Subsequently, in the assembling operation, the belt bracket 40 is rotated around the support structure SK, which is a portion where the belt bracket 40 is supported by the plate 30, so that the extended portions 32, 42 approach each other. Thereafter, in this step, the receiving portion 34b, the pressing portion 44b, the pair of engaging holes 34a, and the pair of engaging claws 44a are arranged so that the extending portions 32, 42 are overlapped so that the opposing surfaces come into contact with each other. Are positioned so as to overlap each other in the vehicle vertical direction, and a force is applied to elastically deform the belt 24 in the thickness direction.

  In this case, as shown by a two-dot chain line in FIG. 10A, the curved portion of the pressing portion 44b is fitted into the receiving portion 34b from the lower side of the vehicle through elastic deformation toward the lower side of the vehicle. At the same time, as shown by a two-dot chain line in FIG. 10 (b), the pair of engaging claws 44a are elastically deformed to the lower side of the vehicle, and the corresponding lower side of the vehicle is placed inside the corresponding pair of engaging holes 34a. And the tips of the pair of engaging claws 44a are hooked on the inner peripheral surfaces of the corresponding pair of engaging holes 34a. In this case, as shown in FIG. 10C, the pair of insertion portions 45 are fitted into the corresponding pair of through holes 35 from the vehicle lower side. As a result, the belt 24 is clamped between the clamping portions 31 and 41 from the thickness direction, and the assembly of the belt-side bracket 15 is completed.

  In other words, if a fastener such as a screw is used, after extending the extension portions 32 and 42 so that the opposing surfaces come into contact with each other, the extension portions 32 and 42 are fastened together. Where work is necessary, such fastening work can be reduced in this embodiment. Thereby, about the assembly | attachment operation | work of the belt side bracket 15, the number of work processes can be reduced. Therefore, the efficiency of the assembly work of the belt side bracket 15 can be improved.

  (4) According to the present embodiment, in the case of the claw structure TK, by providing the pair of engaging claws 44a to the belt bracket 40 that is thin and easy to process, of the plate 30 and the belt bracket 40, In addition to the ease of processing of the belt bracket 40, it is possible to achieve high efficiency in the work of assembling the belt side bracket 15. The same applies to the spring structure BK.

  (5) According to the present embodiment, as shown in FIG. 10C, in assembling the belt side bracket 15, the plate side extending portion 32 is disposed on the vehicle upper side with respect to the bracket side extending portion 42. In this manner, the pair of insertion portions 45 of the belt bracket 40 may be fitted into the pair of through holes 35 of the plate 30. In this state, the guide roller unit GR is completed by fastening the guide roller 14 through the pair of through holes 14e of the pair of both side portions 14c by the fastener 46 from the upper side of the vehicle. In this case, the assembled state of the belt-side bracket 15 becomes a firm fastening state together with the fastening of the guide roller 14.

  Thereby, for example, at the stage of assembling the belt-side bracket 15, it is only necessary that the assembling can be held in an environment where a force that releases the assembling does not act intentionally. That is, the claw structure TK and the spring structure BK related to the assembly of the belt side bracket 15 do not need to be engaged so strongly. In this case, the plate 30 and the belt bracket 40 are easily processed, and it is effective to realize high efficiency in the assembly work of the belt side bracket 15.

In addition, the said embodiment can also be implemented with the following forms which changed this suitably.
The guide roller 14 only needs to be fastened to at least the plate 30 of the belt side bracket 15, and may not be fastened to the belt bracket 40.

  The belt bracket 40 has a portion where the pair of engaging claws 44 a and the pressing portion 44 b are provided, that is, the bracket side extending portion 42 has a thickness that is thinner than other portions and the plate 30. It should just be comprised easily.

  In the above embodiment, when the plate 30 is configured to be easily processed compared to the belt bracket 40 due to the type of material regardless of the thickness, the pair of engagement holes 34a and the receiving portion 34b, You may replace the object in which a pair of engagement nail | claw 44a and the press part 44b are provided. When the plate 30 and the belt bracket 40 are configured to have the same thickness, the objects on which the pair of engagement holes 34a and the receiving portion 34b and the pair of engagement claws 44a and the pressing portion 44b are provided are replaced. Alternatively, the combination may be changed, such as a pair of engaging holes 34a and a pressing portion 44b on one side and a pair of engaging claws 44a and a receiving portion 34b on the other side.

-When holding | maintaining the assembly | attachment with the plate 30 and the belt bracket 40 is enough, what is necessary is just to have at least one structure of claw structure TK and spring structure BK as an engagement structure.
-As for the claw structure TK, the engagement hole 34a may be changed to a recess like the receiving portion 34b instead of the through hole, and the shape of the engagement claw 44a, the direction in which the tip extends, and the like may be changed as appropriate. . Further, in the claw structure TK, the number of the engagement holes 34a and the engagement claw 44a is increased or decreased, for example, the positions are changed so as to be provided between the clamping portions 31 and 41 in the extending direction of the belt 24. Or you may.

  -About spring structure BK, the shape of the receiving part 34b etc. may be changed suitably, and the direction etc. where the front-end | tip of the press part 44b extends may be changed suitably. In the spring structure BK, the number of the receiving portions 34b and the pressing portions 44b is increased or decreased, for example, the position is changed so as to be shifted from the center between the pair of engaging holes 34a in the extending direction of the belt 24. You may do it.

  -For the support structure SK, the shape of the support piece 33a and the bent portion 33b, the direction in which the tip extends, and the like may be changed as appropriate, and the shape of the hook portion 43a and the recess 43b, the direction in which the tip extends, etc. Also good. Further, in the support structure SK, the number of the support pieces 33a, the bent portions 33b, and the recessed portions 43b is increased or decreased, for example, the position is changed so that the bent portion 33b is provided at the end of the tip portion 31c in the extending direction of the belt 24. You may do it.

  -A pair of insertion part 45 may be provided in the plate side extension part 32. As shown in FIG. In this case, instead of the pair of through holes 35, the plate-side extending portion 32 only needs to be provided with a pair of insertion portions 45 extending in a flange shape along the direction in which the plate-side clamping portion 31 extends. In this case, instead of the pair of insertion portions 45, the bracket side extending portion 42 is provided with a pair of through holes 35 that penetrate the U-shaped foot portion of the bracket side extending portion 42 in the thickness direction. It only has to be done.

  The modifications may be applied in combination with each other. For example, the shape of the receiving portion 34b of the spring structure BK may be changed as appropriate and the configurations of the other modifications may be applied in combination with each other. Good.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle, 3 ... Sliding door, 6 ... Floor part, 7 ... Step panel, 13 ... Door side bracket, 14 ... Guide roller, 15 ... Belt side bracket, 23a ... Toothed pulley, 23b ... Idler pulley, 24 ... Belt , 30 ... Plate, 31 ... Plate side clamping part, 32 ... Plate side extension part, 33 ... Plate side support part, 34 ... Plate side engagement part, 34a ... Engagement hole, 34b ... Receiving part, 35 ... Through hole , 40 ... belt bracket, 41 ... bracket side clamping part, 42 ... bracket side extending part, 43 ... bracket side support part, 44 ... bracket side engagement part, 44a ... engagement claw, 44b ... pressing part, 45 ... insertion 46, fasteners, GR, guide roller unit, SK, support structure, TK, claw structure, BK, spring structure.

Claims (6)

A plate fastened to a guide roller fixed to a sliding door of the vehicle via a door-side bracket;
A belt bracket that movably clamps a belt wound around a plurality of pulleys supported by a step panel installed in a state of being separated from the floor of the vehicle; and
The clamping part where the plate and the belt bracket clamp the belt constitutes a support structure in which the plate supports the belt bracket on one side in the width direction of the belt perpendicular to the moving direction of the belt. And
The mutual extending portions extending in the thickness direction of the belt from the other side in the width direction of the sandwiching portions constitute an engaging structure in which the extending portions are engaged with each other.
The plate and the belt bracket are assembled through the support structure and the engagement structure,
The extending portion of the plate has a plate side engaging portion constituting the engaging structure,
The extension part of the belt bracket is a belt side bracket having a bracket side engaging part that constitutes the engaging structure by engaging with the plate side engaging part. In the belt side bracket according to claim 1,
The engagement structure is an engagement hole that is one of the plate-side engagement portion and the bracket-side engagement portion, and the other of the plate-side engagement portion and the bracket-side engagement portion, and the engagement hole A belt-side bracket including a structure including an engaging claw hooked on the belt. In the belt side bracket according to claim 1 or 2,
The engagement structure is a receiving portion that is one of the plate side engaging portion and the bracket side engaging portion, and the other of the plate side engaging portion and the bracket side engaging portion, and presses the receiving portion. A belt-side bracket including a structure including a pressing portion. In the belt side bracket according to claim 2,
The belt bracket is configured to be thinner than the plate,
The belt-side bracket is characterized in that the engagement hole is the plate-side engagement portion, and the engagement claw is the bracket-side engagement portion. In the belt side bracket according to claim 3,
The belt bracket is configured to be thinner than the plate,
The belt-side bracket, wherein the receiving portion is the plate-side engaging portion, and the pressing portion is the bracket-side engaging portion. The belt-side bracket according to any one of claims 1 to 5,
A guide roller fastened to the belt side bracket;
A door-side bracket fixed to a slide door of the vehicle and fastened to the guide roller,
The extension part of the belt bracket has an insertion part that extends a peripheral edge of a through hole provided in the extension part in a flange shape in a direction in which the clamping part extends,
The extending portion of the plate has a through hole into which the insertion portion is fitted in a state where the plate and the belt bracket are assembled.
With the plate and the belt bracket assembled,
The extending portion of the plate is disposed on the side where the mutual holding portion extends with respect to the extending portion of the belt bracket,
The door-side bracket is fastened to the plate and the belt bracket so as to sandwich the extension portion of the plate between the extension portion of the belt bracket and the guide roller. A guide roller unit configured to movably support the slide door by being fastened by a fastener that is inserted into the insertion portion from a side where the mutual clamping portions extend.