JP2015219589A - Bearing part structure of pedal device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress rattling, a positional deviation, and an inclination of a collar in a radial direction, suppress the generation of abnormal noises and vibrations and improve an operation feeling of a pedal for a vehicle, in a bearing part structure of a pedal device for a vehicle in which a boss is rotatably supported in an outer peripheral side of the collar.SOLUTION: Support plates 20, 22 between a head part 34 of a bolt 30 and a color 26 are clamped and jointed by making a pair of bolts 30 inserted into connection holes 24 of the support plates 20, 22 and screwed into female screws 28 provided on both end parts of a color 26, and the color 26 is integrally fixed to the support plates 20, 22. As a result, rattling, positional deviations and inclination of the color 26 at the time of step-in operations of a brake pedal 12 are suppressed without harming the assembly workability. Thereby, the generation of abnormal sounds and vibrations is suppressed, and an operation feeling is improved by suppressing positional deviations and a posture change of the brake pedal 12.

Description

  The present invention relates to a bearing structure of a pedal device for a vehicle, and more particularly to a technique for suppressing the generation of abnormal noise or vibration during a stepping operation of a pedal for a vehicle and improving the operational feeling.

  (a) a cylindrical collar disposed substantially horizontally so as to connect the pair of support plates; (b) a fixing member that integrally fixes the collar to the support plate; 2. Description of the Related Art A bearing structure of a vehicular pedal device is known that includes a cylindrical boss that is rotatably supported around an axis via a pair of flanged bushes on the outer peripheral side of a collar. The device described in Patent Document 1 is an example thereof and relates to a bearing structure of a brake pedal or a clutch pedal, and a bolt that is inserted through the inside of a connection hole and a collar respectively provided in a pair of support plates is fixed. The collar is used as a member, and the collar is integrally fixed in a state where the collar is clamped between the pair of support plates by screwing a nut to a tip portion protruding from the support plate to the outside.

Japanese Utility Model Publication No. 61-55720

  However, in such a conventional bearing portion structure, it is necessary to provide a predetermined gap between a fixed member (bolt) that can be inserted through the inside of the collar and the collar in order to ensure assembly workability and the like. For this reason, when a pedal for a vehicle such as a brake pedal supported by the collar is supported through the boss, the collar may rattle, deviate, or tilt in the radial direction. Etc., and there is a possibility that the operational feeling may be impaired due to the displacement or posture change of the vehicle pedal. The collar is clamped in the axial direction between a pair of support plates, but if the clamping pressure (bolt fastening force) is increased, it may be deformed. There is a possibility of sliding. In a vehicular pedal device that outputs pedal operating force via an intermediate lever, even if a similar structure is adopted as the bearing structure of the intermediate lever, there is a possibility that abnormal noise or vibration may occur, and the position of the intermediate lever There is a possibility that the operational feeling of the vehicle pedal may be impaired due to the deviation or the posture change.

  The present invention has been made against the background of the above circumstances. The object of the present invention is to provide a diameter of the collar in the bearing structure of a vehicular pedal device in which a boss is rotatably supported on the outer peripheral side of the collar. The object is to suppress the rattling, misalignment, inclination, etc. of the direction, to suppress the generation of abnormal noise and vibration, and to improve the operation feeling of the vehicle pedal.

  In order to achieve such an object, the first invention includes (a) a cylindrical collar disposed substantially horizontally so as to connect a pair of support plates, and (b) the collar integrated with the support plate. (C) for a vehicle having a cylindrical boss supported on the outer peripheral side of the collar via a pair of flanged bushes so as to be rotatable about an axis. In the bearing structure of the pedal device, (d) an end of the collar is provided with an internal thread, and the support plate is provided with a connection hole, and an external thread of a bolt that functions as the fixed member is provided. The support plate is clamped between the head of the bolt and the collar by being inserted through the connection hole and screwed into the female screw, and the collar is fixed to the support plate integrally. The It is characterized by being.

  According to a second aspect of the present invention, in the bearing structure of the pedal device for a vehicle according to the first aspect, the female screw is provided at both ends of the collar, and the pair of support plates are provided with connecting holes, The male screws of the pair of bolts functioning as the fixing member are inserted into the connecting holes and screwed into the female screws, respectively, so that both end portions of the collar are integrally fixed to the pair of support plates, respectively. It is characterized by being.

  According to a third aspect of the present invention, in the bearing structure of the pedal device for a vehicle according to the first or second aspect of the invention, (a) the connection hole is larger in diameter than an outer diameter of the male screw, and (b) the head portion of the bolt A fitting portion having a diameter equal to that of the connecting hole is provided between the male screw and the male screw.

  According to a fourth aspect of the present invention, in the bearing structure of the pedal device for a vehicle according to the third aspect of the present invention, a taper portion whose outer diameter gradually decreases toward the male screw side is provided on the male screw side of the fitting portion. It is characterized by that.

  In such a bearing structure of a pedal device for a vehicle, a bolt that functions as a fixed member is inserted through the connection hole of the support plate and screwed into a female screw provided at the end of the collar. The support plate is clamped between the head of the bolt and the collar, and the collar is integrally fixed to the support plate, so the vehicle pedal can be operated without degrading the assembly workability. Color shakiness, misalignment, inclination, etc. are suppressed. That is, since the bolt is screwed into the end portion of the collar, the fastening force (clamping pressure of the support plate) can be increased without deforming the collar, and the collar can be firmly fixed to the support plate. It is. As a result, the occurrence of abnormal noise, vibration, etc. due to the rattling of the collar is suppressed, and the vehicle pedal, intermediate lever, etc. that are rotatably supported on the outer peripheral side of the collar via the boss Misalignment and posture change are suppressed, and the operational feeling of the vehicle pedal is improved.

  In the second invention, both ends of the collar are provided with internal threads, and a pair of support plates are provided with connecting holes, respectively, and the ends of the collar are integrally formed with the pair of support plates by a pair of bolts. Since it is fixed, rattling, misalignment, inclination and the like of the collar are further appropriately suppressed, and the operational feeling of the vehicle pedal is improved.

  In the third invention, since the fitting portion provided between the head of the bolt and the male screw is fitted into the connecting hole without a substantial gap, the collar is attached to the pair of support plates with higher positional accuracy. Further, rattling and displacement of the collar are more appropriately suppressed, and the operational feeling of the vehicle pedal is further improved.

  In the fourth aspect of the invention, since the tapered portion is provided on the male screw side of the fitting portion, when the bolt is screwed into the female screw of the collar, the fitting portion is guided by the tapered portion and is concentric with the connecting hole. Thus, the collar is fitted into the connecting hole with almost no gap, and the accuracy of the mounting position of the collar can be improved without impairing the assembling workability.

It is a left view which shows an example of the brake pedal apparatus with which this invention was applied. FIG. 2 is an enlarged cross-sectional view taken along a line II-II in FIG. 1, that is, a bearing portion of a brake pedal. FIG. 3 is a cross-sectional view further enlarging a fastening portion of a right bolt that fixes a collar to a support plate in FIG. 2. It is the figure which expanded further and showed the volt | bolt of FIG. 3 independently. FIG. 3 is a process diagram for explaining an assembly procedure for assembling the brake pedal of FIG. 1 to a pedal bracket, both of which are cross-sectional views corresponding to FIG. It is a figure explaining the other Example of this invention, and is sectional drawing corresponding to FIG. It is a figure explaining another Example of this invention, and is sectional drawing corresponding to FIG.

  The present invention is preferably applied to a bearing structure of a support portion such as a brake pedal, a clutch pedal, and an accelerator pedal for a vehicle. In a vehicle pedal device that outputs a pedal operating force via an intermediate lever, It can also be applied to the bearing structure of the intermediate lever. The pair of support plates may be configured separately, or may be a pair of side plates that are U-shaped pedal brackets that are substantially parallel to each other in plan view.

  For example, the collar is disposed in such a manner that both ends in the axial direction are brought into contact with the inner side surfaces of the pair of support plates substantially perpendicularly, and is integrally fixed to the pair of support plates by a pair of bolts. It is sufficient that at least one end in the axial direction is brought into contact with the inner surface of one of the support plates substantially perpendicularly and is integrally fixed to the support plate by a bolt. For example, a flange extending to the outer peripheral side is provided at the other end in the axial direction of the collar, and is inserted from one end side into an insertion hole provided in the other support plate, and one end is attached to one support plate by a bolt. By being fixed integrally, the flange may only be brought into contact with the outer surface of the other support plate.

  The bolt functioning as a fixed member preferably has a fitting portion that is fitted in the connection hole provided in the support plate as in the third invention without a substantial gap, but from the viewpoint of assembly workability, Without providing such a fitting portion, it may be inserted into the connection hole with a predetermined gap between the male screw and the connection hole. In that case, the position accuracy of the bolt and the position accuracy of the collar may be impaired by the gap, but the bolt is fixed to the support plate integrally with the bolt. It is possible to appropriately suppress rattling and displacement. In particular, if a bolt is fastened in a state in which a load in the same direction as that at the time of the stepping operation is applied to close the gap, rattling and positional deviation at the time of the stepping operation can be reliably prevented.

  A bush with a flange is provided with a disc-shaped flange extending to the outer peripheral side at one end of a cylindrical part (bush). For example, the bush is integrally formed of a synthetic resin material, but is formed of a metal material. It is also possible to assemble the cylindrical portion so that the cylindrical portion is fitted into the through hole of the boss until the flange contacts the end of the boss. The flanged bush may be integrally fixed to the boss by tight fitting of the cylindrical portion or the like, but may be disposed so as to be rotatable relative to the boss. In addition, a predetermined gap is provided between the cylindrical portion and the collar as necessary from the viewpoint of assembly workability.

  In the fourth invention, the tapered portion is provided on the male screw side of the fitting portion. However, when the third invention is implemented, it is possible to provide only the fitting portion in a stepped form without providing the tapered portion. . Further, when the first invention and the second invention are implemented, the fitting portion can be omitted. The tapered portion of the fourth invention can be formed by forging or chamfering, for example, and can be provided with a constant inclination angle (taper angle), but the generatrix in the axial section has a convex shape or a concave shape. Various modes are possible, such as the inclination angle may be continuously changed to achieve this. In other words, it is only necessary that the outer diameter gradually decreases toward the male screw side.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiments, the drawings are appropriately simplified or modified for explanation, and the dimensional ratios, shapes, and the like of the respective parts are not necessarily drawn accurately.

  FIG. 1 is a left side view showing a brake pedal device 10 for a service brake of a vehicle to which the present invention is applied, and FIG. 2 is an enlarged sectional view taken along the line II-II in FIG. The brake pedal device 10 includes a brake pedal 12, and the brake pedal 12 is supported by a pedal bracket 14 so as to be rotatable about a substantially horizontal support axis S1 at an upper end portion. A step portion 16 such as a pedal seat is integrally attached to the lower end portion. When the stepping portion 16 is depressed by the driver, the brake pedal 12 is rotated clockwise around the support axis S1 in FIG. 1, and a push rod (not shown) is connected via the connecting link 17 and the intermediate lever 18. The stepping operation force is transmitted to an output member such as a brake hydraulic pressure is generated according to the stepping operation force. The intermediate lever 18 is disposed on the pedal bracket 14 so as to be rotatable around a support axis S2 parallel to the support axis S1. In this embodiment, the brake pedal device 10 corresponds to a vehicle pedal device, and the brake pedal 12 corresponds to a vehicle pedal.

  The pedal bracket 14 has a U-shape in a plan view as viewed from above in FIG. 1, and a pair of substantially parallel side plate-like support plates 20 and 22 provided at predetermined intervals are integrated. The brake pedal 12 is supported between the pair of support plates 20 and 22. The pair of support plates 20 and 22 are respectively provided with connecting holes 24 concentrically with the support axis S1, and a cylindrical collar 26 is provided between the support plates 20 and 22 in the support axis S1. Both ends of the collar 26 in the axial direction are in contact with the inner surfaces of the support plates 20 and 22 facing each other substantially perpendicularly. The outer diameter of the cylindrical collar 26 is larger than that of the connecting hole 24, and is brought into contact with the peripheral edge of the connecting hole 24. At both ends in the axial direction, female screws 28 are provided on the shaft centers. ing. The diameter of the connecting hole 24 is larger than the root diameter of the female screw 28, and the male screws 32 of the pair of bolts 30 are inserted through the connecting holes 24 of the pair of support plates 20 and 22 with play, respectively. The collars 26 are respectively screwed into the female threads 28 at both ends. As a result, the pair of support plates 20 and 22 are sandwiched between the head portion 34 of the bolt 30 and the collar 26, and both end portions of the collar 26 are integrally fixed to the support plates 20 and 22, respectively. . The pair of bolts 30 corresponds to a fixed member.

  3 is an enlarged cross-sectional view of the fastening portion of the right bolt 30 in FIG. 2, and FIG. 4 is a further enlarged view of the bolt 30 alone. A fitting portion 36 having a diameter larger than the outer diameter of the male screw 32 and a diameter substantially equal to that of the connection hole 24 is provided between the portion 34 and the portion 34. In the present embodiment, the outer diameter of the fitting portion 36 is determined so that the fitting portion 36 is tightly fitted in the connecting hole 24 regardless of dimensional errors. As a result, the fitting portion 36 is fitted into the connection hole 24 without any gap, and the collar 26 to which the bolt 30 and the male screw 32 of the bolt 30 are screwed is centered concentrically with the connection hole 24. Are attached to the pair of support plates 22 with high positional accuracy substantially concentrically with the support axis S1. Further, a taper portion 38 whose diameter is linearly reduced toward the male screw 32 side is provided on the male screw 32 side of the fitting portion 36, and when the bolt 30 is screwed to the female screw 28 of the collar 26. The fitting portion 36 is guided concentrically with the connecting hole 24 by being guided by the tapered portion 38 and is fitted into the connecting hole 24 without a gap. Thereby, the mounting position accuracy of the collar 26 can be improved without impairing the assembly workability. The axial lengths of the fitting portion 36 and the tapered portion 38 of the bolt 30 are equal to or smaller than the axial length of the connecting hole 24, that is, the plate thickness of the support plate 22, and there is no possibility of interference with the collar 26. The tapered portion 38 is formed by chamfering or the like, for example. The left bolt 30 in FIG. 2 is configured in the same manner as the right bolt 30 described above.

  On the other hand, a cylindrical boss 40 having a diameter larger than that of the collar 26 is integrally fixed to the upper end portion of the brake pedal 12 by welding. The flanged bushes 42 are arranged so as to face each other. The pair of flanged bushes 42 are formed of a pair of synthetic resin materials having the same shape, and have a cylindrical portion 46 having an outer diameter substantially the same as the inner diameter of the boss 40, and an outer peripheral side at one end portion of the cylindrical portion 46. A large-diameter disk-shaped flange 48 extending inward is integrally provided. The cylindrical portion 46 is fitted into the through hole of the boss 40, whereby a pair of flanged bushes 42 are disposed at both ends of the boss 40, and the collar 26 can be relatively rotated inside the cylindrical portion 46. Is inserted through. That is, the boss 40 is supported by the collar 26 through the pair of flanged bushes 42 so as to be rotatable around the support axis S1, and the pair of support plates 20 through the flanges 48 of the pair of flanged bushes 42. 22, the boss 40 is positioned in the axial direction. In the present embodiment, the outer diameter of the cylindrical portion 46 is determined so that the cylindrical portion 46 is press-fitted into the through hole of the boss 40 and rotated integrally with the boss 40, while the inner diameter of the cylindrical portion 46 is determined. Is substantially the same as the outer diameter of the collar 26, or large so that a predetermined gap is provided between the outer periphery of the collar 26 as necessary in consideration of the assembly workability and the rotational resistance of the brake pedal 12. Determined. Further, the axial dimension of the collar 26, that is, the distance between the pair of support plates 20 and 22 is substantially the same as the axial length of the boss 40 and the pair of flanges 48, or the assembly workability and the rotation of the brake pedal 12. Considering the dynamic resistance, it is determined to be large so that a predetermined gap is provided as necessary.

  FIG. 5 is a process diagram illustrating an assembly procedure for assembling the brake pedal 12 to the pedal bracket 14. In the bush assembly process (a), flanges 48 are provided at both ends of the boss 40 fixed to the brake pedal 12. Is pressed into the cylindrical portion 46 of the flanged bush 42 until it comes into contact with the end face of the boss 40. In the collar insertion step (b), the collar 26 is inserted into the cylindrical portion 46 of the pair of flanged bushes 42. In the support assembling step (c), the boss 40 to which the pair of flanged bushes 42 and the collar 26 are assembled is inserted and assembled between the pair of support plates 20 and 22 of the pedal bracket 14. In the bolt fastening step (d), the connection holes 24 and the collars 26 of the pair of support plates 20 and 22 are aligned so as to be substantially concentric, and the connection holes are formed from the outside of the support plates 20 and 22. The male screw 32 of the bolt 30 is inserted into the screw 24 and screwed into the female screw 28 of the collar 26. When the bolt 30 is screwed into the female screw 28 of the collar 26, the fitting portion 36 is guided concentrically with the connecting hole 24, that is, substantially concentrically with the support shaft S1, by being guided by the tapered portion 38, and the connecting hole. The bolts 30 and the collar 26 are integrally fixed to the pair of support plates 20 and 22 with high mounting position accuracy substantially concentrically with the support shaft S1 by being fitted into the gap 24 without any gap.

  In such a brake pedal device 10 of this embodiment, a pair of bolts 30 functioning as fixed members are respectively inserted through the connection holes 24 of the support plates 20 and 22 and provided at both ends of the collar 26. The support plates 20 and 22 are clamped between the head 34 of the bolt 30 and the collar 26 by being screwed into the female screw 28, and the collar 26 is fixed to the support plates 20 and 22 integrally. Therefore, rattling, displacement, inclination, and the like of the collar 26 when the brake pedal 12 is depressed are suppressed without impairing the assembling workability. That is, since the bolt 30 is screwed into the end portion of the collar 26, the fastening force (the clamping force of the support plates 20 and 22) can be increased without deforming the collar 26. , 22 can be firmly fixed. As a result, the occurrence of abnormal noise or vibration due to rattling or the like of the collar 26 is suppressed, and the position of the brake pedal 12 that is rotatably supported on the outer peripheral side of the collar 26 via the boss 40. Misalignment and posture changes are suppressed, improving the operational feeling.

  In addition, female screws 28 are provided at both ends of the collar 26, and a pair of support plates 20, 22 are provided with connecting holes 24. Both ends of the collar 26 are connected to the pair of support plates by a pair of bolts 30. Since the collars 26 and 22 are integrally fixed to each other, rattling, displacement, inclination, and the like of the collar 26 are further appropriately suppressed, and the operation feeling of the brake pedal 12 is improved.

  Further, since the fitting portion 36 provided between the head portion 34 of the bolt 30 and the male screw 32 is fitted into the connecting hole 24 without a gap, the collar 26 is substantially concentric with the support shaft center S1 with higher positional accuracy. In addition to being attached to the pair of support plates 20 and 22, rattling and displacement of the collar 26 are more appropriately suppressed, and the operational feeling of the brake pedal 12 is further improved.

  Since the tapered portion 38 is provided on the male screw 32 side of the fitting portion 36, when the bolt 30 is screwed into the female screw 28 of the collar 26, the fitting portion 36 is guided by the tapered portion 38. It is centered concentrically with the connecting hole 24 and can be fitted into the connecting hole 24 without any gap, so that the mounting position accuracy of the collar 26 can be improved without impairing the assembling workability.

  In addition, although illustration and detailed description are omitted, in this embodiment, the bearing part structure in which the intermediate lever 18 is attached to the pair of support plates 20 and 22 so as to be rotatable around the support shaft center S2 is also included in the brake pedal 12 described above. It is comprised similarly to the bearing part structure.

  Next, another embodiment of the present invention will be described. In the following embodiments, parts that are substantially the same as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 6 is a cross-sectional view corresponding to FIG. 2 and is a cross-sectional view of the bearing portion of the brake pedal 12, and the collar 50 is different from that of the embodiment. That is, in the collar 26 of the above-described embodiment, the length dimension of the female screw 28 provided at both ends is larger than the length dimension of the male screw 32 of the bolt 30, and the male screw 32 can be screwed to the female screw 28 regardless of the dimensional error. However, the length dimension of the female thread 52 of the collar 50 of this embodiment is substantially the same as the length dimension of the male thread 32 of the bolt 30. Instead, a large-diameter hole portion 54 having a diameter larger than the root diameter of the female screw 52 is provided at an intermediate portion between the pair of female screws 52, and the tip of the male screw 32 is located in the large-diameter hole portion 54. By projecting, the male screw 32 can be properly screwed into the female screw 52 regardless of the dimensional error of each part.

  FIG. 7 is a cross-sectional view corresponding to FIG. 2 and is a cross-sectional view of the bearing portion of the brake pedal 12, and the collar 60 is different from that of the embodiment. An internal thread 28 is provided at one end of the collar 60, that is, the end on the support plate 22 side, as in the above-described embodiment, and the bolt 30 is screwed together so as to be integrally fixed to the support plate 22. However, the other end portion is provided with a flange 62 extending to the outer peripheral side without being provided with the female screw 28, and is merely brought into contact with the outer surface of the support plate 20. The support plate 20 is provided with an insertion hole 64 having a diameter larger than the outer diameter of the cylindrical portion of the collar 60 concentrically with the support axis S <b> 1, while the collar 60 is adjacent to the flange 62 and has an insertion hole 64. Is provided with a fitting portion 66 having a diameter that is substantially equal to the diameter of the fitting portion 66, and a tapered portion 68 is formed continuously from the fitting portion 66 so that the outer diameter decreases linearly. As a result, when the female screw 28 is inserted into the insertion hole 64 of the support plate 20 from the one end side where the female screw 28 is provided, and the bolt 30 is screwed into the female screw 28, it is guided by the tapered portion 68 and is fitted into the fitting portion 66. Is centered concentrically with the insertion hole 64, and is fitted into the insertion hole 64 without a gap, and coupled with the fitting portion 36 of the bolt 30 being fitted into the connection hole 24 without a gap, The collar 60 is attached to the support plates 20 and 22 substantially concentrically with the support axis S1 with high attachment position accuracy without impairing the assembling workability. In this case, a predetermined gap is provided between the support plate 20 with which the flange 62 is brought into contact with the flange 48 of the flanged bush 42 in consideration of assembly workability and rotation resistance of the brake pedal 12 as necessary. The length dimension of the collar 60 is determined so as to be provided.

  Also in the present embodiment, one end of the collar 60 is integrally fixed to the support plate 22 by the bolt 30, and the fitting portion 66 is fitted into the insertion hole 64 of the support plate 20 with no gap at the other end. Therefore, rattling, positional deviation, inclination, and the like of the collar 60 when the brake pedal 12 is depressed are suppressed. As a result, the occurrence of abnormal noise or vibration due to rattling or the like of the collar 60 is suppressed, and the position of the brake pedal 12 that is rotatably supported on the outer peripheral side of the collar 60 via the boss 40. The same effects as those in the above-described embodiment can be obtained, for example, the operation feeling can be improved by suppressing deviation and posture change.

  As mentioned above, although the Example of this invention was described in detail based on drawing, these are one embodiment to the last, and this invention is implemented in the aspect which added the various change and improvement based on the knowledge of those skilled in the art. be able to.

  10: Brake pedal device (vehicle pedal device) 12: Brake pedal 20, 22: Support plate 24: Connection hole 26, 50, 60: Collar 28, 52: Female screw 30: Bolt (fixed member) 32: Male screw 34: Head portion 36: Fitting portion 38: Tapered portion 40: Boss 42: Bush with flange

Claims (4)

A cylindrical collar arranged substantially horizontally to connect a pair of support plates;
A fixing member that integrally fixes the collar to the support plate;
A cylindrical boss supported on the outer peripheral side of the collar so as to be rotatable around an axis through a pair of flanged bushes;
In the bearing part structure of a vehicle pedal device comprising:
A female screw is provided at an end of the collar, and a connection hole is provided in the support plate. A male screw of a bolt functioning as the fixing member is inserted into the connection hole, and the female screw is inserted into the female screw. The vehicular pedal, wherein the support plate is clamped between the head of the bolt and the collar by being screwed together, and the collar is integrally fixed to the support plate. The bearing structure of the device. The female screws are provided at both ends of the collar, and the pair of support plates are provided with connecting holes, respectively, and a pair of bolt male screws functioning as the fixing member are inserted through the connecting holes. 2. The vehicular pedal device according to claim 1, wherein both ends of the collar are integrally fixed to the pair of support plates by being respectively screwed into the female screw. Bearing structure. The connecting hole is larger in diameter than the outer diameter of the male screw,
The bearing of the vehicular pedal device according to claim 1 or 2, wherein a fitting portion having a diameter equal to that of the connection hole is provided between the head of the bolt and the male screw. Part structure. The bearing portion structure for a pedal device for a vehicle according to claim 3, wherein a taper portion whose outer diameter gradually decreases toward the male screw side is provided on the male screw side of the fitting portion. .

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