WO2015151210A1 - Torsion beam suspension and plate parts used for same - Google Patents

Torsion beam suspension and plate parts used for same Download PDF

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Publication number
WO2015151210A1
WO2015151210A1 PCT/JP2014/059584 JP2014059584W WO2015151210A1 WO 2015151210 A1 WO2015151210 A1 WO 2015151210A1 JP 2014059584 W JP2014059584 W JP 2014059584W WO 2015151210 A1 WO2015151210 A1 WO 2015151210A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
torsion beam
fitting
tire
caliper
Prior art date
Application number
PCT/JP2014/059584
Other languages
French (fr)
Japanese (ja)
Inventor
浩司 松田
祐貴 宇佐美
Original Assignee
株式会社ヨロズ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 株式会社ヨロズ filed Critical 株式会社ヨロズ
Priority to PCT/JP2014/059584 priority Critical patent/WO2015151210A1/en
Publication of WO2015151210A1 publication Critical patent/WO2015151210A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/005—Components of axially engaging brakes not otherwise provided for
    • F16D65/0056—Brake supports
    • F16D65/0062—Brake supports integral with vehicle suspension, e.g. with the steering knuckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/051—Trailing arm twist beam axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/20—Semi-rigid axle suspensions
    • B60G2200/23—Trailing arms connected by a U-shaped torsion bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
    • B60G2206/203—Constructional features of semi-rigid axles, e.g. twist beam type axles with outwardly bent trailing arms to increase the width of the support or wheelbase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/50—Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8201—Joining by welding

Definitions

  • the present invention relates to a torsion beam suspension and a plate component used for the torsion beam suspension.
  • the torsion beam type suspension has a simple configuration with fewer parts than a subframe type suspension, and is often mounted on a relatively small automobile.
  • the torsion beam type suspension is located at the left and right ends when the vehicle is mounted, and has a trailing arm provided with a part for attachment to the vehicle body and a part for supporting the wheel.
  • a tire support portion the portion of the trailing arm that supports the tire is referred to as a tire support portion.
  • a plate-like axle support member that supports an axle is attached to a tire support portion in the trailing arm, and parts such as a hub are often attached to the axle support member.
  • a technique is disclosed in which a tire support portion and an axle support member in a trailing arm are connected by fitting in order to widen an adjustment range of a wheel attachment angle (alignment) with respect to a vehicle (see Patent Document 1).
  • Patent Document 1 discloses a drum type.
  • most of the brakes currently used are disc type brakes, and the disc type brakes are related to the braking of tires such that the brake pads are brought into contact with or released from the brake disc attached to the hub.
  • One of the parts is a caliper.
  • the caliper is fastened with an axle support member connected to the trailing arm and a bolt or the like.
  • the mounting shape of the axle support member with the caliper is formed so as to protrude outward in the radial direction from the mounting portion with the hub or the like that is a component of the tire.
  • the caliper is a component that brakes the tire, and since it is necessary to reliably stop the rotation of the brake disk via the brake pad, the caliper mounting portion in the axle support member is required to have high rigidity. Therefore, in the technique described in Patent Document 1, the rigidity of the axle support member is not sufficient, and the caliper needs to be attached by a separate component from the trailing arm. However, if another part is added, there is a problem that the weight increases or the cost increases accordingly.
  • the present invention has been invented to solve the above-described problems, and an object thereof is to provide a torsion beam suspension capable of increasing the rigidity of an axle support member to which a caliper is attached without adding another part. To do.
  • a torsion beam suspension that achieves the above-described object is an extension part that extends in the longitudinal direction of the vehicle, a vehicle connection part that is formed in front of the extension part and connected to the vehicle, and is formed in the rear part of the extension part so that the tire can rotate.
  • a trailing arm provided in pairs in the left-right direction of the vehicle, a torsion beam connecting the pair of trailing arms, and a plate component attached to the tire support.
  • the plate part includes a main body part that is attached to a tire component, a caliper attachment part that is formed to protrude from the inside to the outside of the main body part, and that attaches a caliper that switches between rotation of the tire and braking of the rotation.
  • the tire support portion is raised in a direction intersecting with the vehicle left-right direction from the extension portion, a first fitting portion fitted with the main body portion, a second fitting portion fitted with the connection portion of the plate component, and the vehicle left-right direction.
  • the first fitting portion in which the tire support portion of the trailing arm is fitted to the main body portion, the second fitting portion to be fitted to the connection portion of the plate component, and the extension portion And a contact portion that is raised in a direction crossing the vehicle left-right direction and contacts the connection portion in the vehicle left-right direction. Therefore, the caliper mounting portion is not only the first fitting portion that fits the main body portion but also the second fitting portion that fits the connecting portion, and the contact portion that abuts the connecting portion in the vehicle left-right direction. Can compete with the input. Therefore, the rigidity with the plate parts in the tire support part of the trailing arm can be enhanced. The rigidity of the caliper mounting portion can be increased without adding another part for fixing the caliper mounting portion.
  • FIG. 1 is a schematic perspective view showing a torsion beam suspension according to an embodiment of the present invention. It is a side view showing the suspension. It is a top view which shows the suspension. It is a front view showing the suspension.
  • 2A is a perspective view showing a state in which the components constituting the tire are removed from the suspension
  • FIG. 2B is a perspective view showing a state in which the plate components and the spindle are further removed from FIG. 2A.
  • 2 (C) is a perspective view as seen from below the vehicle.
  • FIGS. 3A to 3D are a plan view, a rear view, a right side view, and a left side view showing the connection between the tire connecting portion of the trailing arm and the plate component.
  • FIGS. 3 (A) and 3 (C) are a plan view and a right side view showing a state in which the plate component and the spindle are removed in FIGS. 3 (A) and 3 (C).
  • FIG. 5 is a rotary sectional view showing a connection between a trailing arm, a plate part, and a tire component at the position of line 5-5 in FIG. 3;
  • FIGS. 1A to 1D are a schematic perspective view, a side view, a plan view, and a front view showing a torsion beam suspension according to an embodiment of the present invention
  • FIG. 2A shows a state in which components constituting a tire are removed from the suspension
  • 2B is a perspective view showing a state in which the plate component and the spindle are further removed from FIG. 2A
  • FIG. 2C is a perspective view seen from below the vehicle.
  • 3 (A) to 3 (D) are a plan view, a rear view, a right side view, a left side view, FIG. 4 (A), and FIG. 4 (D) showing connection between a tire connecting portion of a trailing arm and a plate part.
  • FIGS. 3B and 3C are a plan view and a right side view showing a state where the plate parts and the spindle are removed in FIGS.
  • FIG. 5 is a rotary sectional view showing the connection of the trailing arm, the plate part, and the tire component at the position of line 5-5 in FIG.
  • the subframe 100 of the suspension is a rear suspension that suspends a rear wheel of a vehicle such as an FF (front engine front drive).
  • the suspension subframe 100 includes an upper member 10, a pair of lower members 20, a plate component 30, a spindle 40, and a collar 50.
  • the torsion beam suspension 100 is generally provided with a caliper 110, a hub 120, a shock absorber 140, and a spring 150. This will be described below.
  • the upper member 10 includes a pair of trailing arm constituent members 11, a torsion beam 17, and a pair of spring seats 18.
  • a pair of trailing arm constituting members 11, a pair of lower members 20, a pair of plate parts 30, a pair of spindles 40, and a pair of collars 50 constitute a trailing arm 60.
  • the trailing arms 60 are symmetrically disposed at both ends in the left-right direction when the torsion beam 17 is mounted on the vehicle.
  • the trailing arm component member 11 includes a vehicle connection portion 12, a tire support portion 13, an extension portion 14, a spring connection portion 15, and a beam connection portion 16.
  • the vehicle connection portion 12 is formed in front of the vehicle when mounted on the vehicle.
  • a collar 50 is joined to the vehicle connection portion 12, and a bush is attached to the collar 50.
  • the tire support portion 13 is formed rearward among the trailing arm constituent members 11 when the vehicle is mounted.
  • the tire support portion 13 includes first fitting portions 13a, 13b, 13c, and 13d, second fitting portions 13e, 13f, 13g, and 13h, contact portions 13j and 13k, and an opening portion 13m.
  • the upper member 10 and the lower member 20 are press-molded so as to form a hollow cross section when they are joined together.
  • the upper member 10 has a U-shaped cross section
  • the lower member 20 has a substantially planar shape, but is not limited thereto.
  • the tire support portion 13 has a plate component 30 attached together with the upper connection portion 21 of the lower member 20.
  • the opening 13m is formed at the left and right ends of the rear when the vehicle is mounted by the upper member 10 and the lower member 20, and is configured to open from the inside to the outside in the vehicle left-right direction.
  • the plate component 30 will be described prior to the description of the first fitting portions 13a, 13b, 13c, 13d, the second fitting portions 13e, 13f, 13g, 13h, and the contact portions 13j, 13k.
  • the plate part 30 includes a main body part 31, a caliper attachment part 32, a connection part 33, a hub attachment part 34, and a spindle attachment part 35.
  • the main body 31 has a spindle mounting portion 35 to which the spindle 40 is mounted and a hub mounting portion 34 to which the hub 120 which is a component on the tire side is mounted.
  • the caliper mounting portion 32 is provided at two positions projecting outward from the main body portion 31 when viewed from the left-right direction of the vehicle, and has a hole for fastening the caliper 110 to the bolt.
  • the connecting portion 33 is a portion that connects the main body portion 31 and the caliper mounting portion 32.
  • the hub attachment portion 34 is formed as a hole through which four bolts are inserted in the substantially rectangular apex of the main body portion 31, but the position and number are not limited thereto.
  • the spindle attachment portion 35 is formed as a hole for attaching the spindle 40 at the center of the main body portion 31.
  • the plate part 30 can also be attached to the tire support 13 by projecting the rear part from the front side outward in the vehicle direction when viewed in plan in a vehicle-mounted state. This is a matter regarding so-called alignment.
  • the adjustment of the toe angle is a matter related to the ride comfort performance of the vehicle, and the toe angle is adjusted by projecting the plate part 30 outward from the front toward the left and right of the vehicle to improve the ride comfort performance. Can be adjusted as follows.
  • the first fitting parts 13a, 13b, 13c, 13d, the second fitting parts 13e, 13f, 13g, 13h, and the contact parts 13j, 13k will be described.
  • the first fitting portions 13 a, 13 b, and 13 c are portions that fit with the main body portion 31 of the plate component 30 in the opening portion 13 m among the portions 19 of the upper member 10.
  • the first fitting portion 13 d is a portion that fits with the main body portion 31 of the plate component 30 in the opening 13 m in the lower member 20.
  • 2nd fitting part 13e, 13f, 13g, 13h is a site
  • the first fitting portion 13b and the second fitting portion 13e are not clearly separated and are formed continuously.
  • the first fitting portion 13c and the second fitting portion 13h are continuously formed, and the first fitting portion 13a and the second fitting portions 13f and 13g are continuously formed.
  • 1st fitting part 13a, 13b, 13c, 13d and 2nd fitting part 13e, 13f, 13g, 13h are formed in the outer periphery of the main-body part 31 and the connection part 33, and are joined by welding.
  • the abutting portions 13j and 13k are portions formed by rising upward in the tire support portion 13 of the upper member 10 extending from the extending portion 14 extending in the front-rear direction.
  • the contact portions 13 j and 13 k are in contact with the connection portion 33 of the plate component 30.
  • the contact portion 13j is formed so as to connect the second fitting portion 13e and the second fitting portion 13f along the outer shape of the connection portion 33 of the plate component 30.
  • the contact portion 13k is formed so as to connect the second fitting portion 13g and the second fitting portion 13h along the outer shape of the connection portion 33 of the plate component 30.
  • the spindle 40 is attached to the plate part 30.
  • the plate component 30 and the spindle 40 are connected to a hub 120 that is a tire-side component, which will be described in detail later.
  • the extending portion 14 is a portion that extends in the vehicle front-rear direction when the trailing arm 60 is mounted on the vehicle and connects the vehicle connection portion 12 and the tire support portion 13.
  • the spring connecting portion 15 is formed inward in the left-right direction when the vehicle is mounted in the upper member 10, and the spring seat 18 is joined to the portion.
  • the beam connecting portion 16 is a joint portion between the trailing arm constituent member 11 and the torsion beam 17.
  • the trailing arm constituting member 11, the torsion beam 17, and the spring seat 18 are constituted by a tailored blank obtained by joining two or more plate materials.
  • the trailing arm constituting member 11 and the torsion beam 17 are made of different plates, and the rigidity from the trailing arm 60 to the torsion beam 17 is adjusted by, for example, changing the plate thickness.
  • the torsion beam 17 is composed of a portion of the upper member 10 in which a substantially central portion between the vehicle connection portion 12 and the tire support portion 13 of the pair of trailing arm constituting members 11 is linearly connected.
  • the torsion beam 17 is formed in a U shape whose cross section is open toward the lower side of the vehicle, but is not limited thereto.
  • the lower member 20 has an upper connection portion 21 as shown in FIG.
  • the upper connecting portion 21 is disposed so as to abut on the edge portion of the trailing arm constituting member 11 and close the U-shaped cross section of the trailing arm constituting member 11.
  • the spring seat 18 is a fixed end portion that supports the vehicle while attaching the spring 150 and the shock absorber 140 to alleviate the impact from the tire. Since the spring seat 18 may reduce the vehicle interior space depending on the installation location, the spring seat 18 is preferably provided in the vicinity of the intersection of the torsion beam 17 and the trailing arm component member 11 as shown in FIG. 1C.
  • the upper member 10 and the lower member 20 are made of, for example, a hot-rolled steel plate, and the plate thickness of each plate member is about 1 or 2 mm, but is not limited thereto.
  • a spindle 40, a caliper 110, and a hub 120 are attached to the plate component 30 attached to the tire support portion 13 of the trailing arm 60.
  • the plate component 30 is fitted and attached at the tire support portion 13 of the trailing arm 60 as described above.
  • the plate component 30 is fastened to the caliper 110 with a bolt or the like at the caliper mounting portion 32.
  • a nut 170 is attached to the end of the spindle 40 on the opposite side to the axial direction of the spindle 40 and screwed together.
  • the hub 120 includes a fixed part 121, a rotating part 122, a stud bolt 123, and a bearing 124.
  • the fixing part 121 is inserted through the hub attachment part 34 of the plate part 30 and fastened by bolts.
  • the rotating part 122 is rotatably attached to the outer peripheral part of the bearing 124.
  • the stud bolt 123 fixes a disk 130 and a wheel (not shown) necessary for braking together with the rotating portion 122.
  • the disk 130 includes the member 131 and the member 132 in this embodiment, but is not limited thereto.
  • a brake pad 160 comprising brake pads 161 and 162 is attached to the member 132.
  • a plate component connected to a tire-side component in a torsion beam type suspension may be attached by fitting at an edge of an opening provided in a trailing arm.
  • the above is a drum type brake system, and is not compatible with a disc type brake component having a caliper as a component of the brake.
  • connection part with the caliper is formed to protrude outward from the fastening part with the housing constituting the tire.
  • the caliper portion realizes braking of the tire by bringing the brake pad into contact and releasing the contact
  • the caliper attached portion of the plate part to which the caliper is attached is required to have high rigidity. Therefore, there is a possibility that sufficient rigidity cannot be provided in the caliper mounting portion only by fitting with the outer peripheral edge portion in the prior art without the caliper mounting portion, and it is necessary to provide another part. However, if another part is provided, there is a problem that the weight increases and the cost increases because the other part is provided.
  • the torsion beam suspension 100 is a first part that is fitted to the tire support part 13 of the trailing arm 60 and the main body part 31 of the plate part 30 in the plate part 30 provided with the caliper mounting part 32.
  • the vehicle is raised in a direction intersecting the vehicle left-right direction from the fitting portions 13a, 13b, 13c, 13d, the second fitting portions 13e, 13f, 13g, 13h fitted to the connecting portion 33, and the extension portion 14.
  • the contact portions 13j and 13k are in contact with the connection portion 33 in the left-right direction.
  • the caliper mounting portion 32 is not only the first fitting portions 13a, 13b, 13c, and 13d that are fitting portions with the main body portion 31, but also the second fitting portion 13e that is a fitting portion with the connection portion 33. , 13f, 13g, 13h and the abutment portions 13j, 13k can counter external inputs. Therefore, the tire fitting part 13 having the first fitting parts 13a, 13b, 13c, 13d, the second fitting parts 13e, 13f, 13g, 13h and the contact parts 13j, 13k does not need to add another part.
  • the rigidity of the caliper mounting portion 32 to which the caliper 110 is mounted can be increased.
  • the first fitting portions 13 a, 13 b, 13 c, 13 d and the second fitting portions 13 e, 13 f, 13 g, 13 h in the trailing arm 60 are formed on the outer periphery of the main body portion 31 and the connection portion 33 of the plate component 30. ing.
  • the shape of the tire support portion 13 reaches the shape of the caliper mounting portion 32, the shape of the trailing arm 60 becomes complicated, and the manufacturability of the trailing arm 60 may be affected.
  • first fitting parts 13 a, 13 b, 13 c, 13 d and the second fitting parts 13 e, 13 f, 13 g, 13 h are trailed by fitting only on the outer periphery of the main body part 31 and the connection part 33 of the plate part 30.
  • the shape of the arm 60 is not complicated, and the caliper mounting portion 32 can have high rigidity.
  • the tire support portion 13 is welded and joined at the first fitting portions 13a, 13b, 13c, and 13d and the second fitting portions 13e, 13f, 13g, and 13h. Therefore, the connection between the trailing arm 60 and the plate part 30 can be performed by fitting and welding, and even when the wheel is driven to rotate, the coupling rigidity between the plate part 30 and the trailing arm 60 is further strengthened. Can do.
  • the plate component 30 can be configured such that when viewed in plan, the rear side protrudes from the front side in the vehicle left-right direction and is attached to the tire support portion 13. Since the toe angle when the plate part 30 is viewed in plan affects the riding comfort of the cabin, by attaching the plate part 30 to the trailing arm 60 as described above, alignment is performed so as to improve the riding comfort performance. can do.
  • the torsion beam suspension 100 can be suitably used as a rear suspension in a vehicle.
  • the caliper mounting portion 32 which is a component part of the tire, is provided in two places has been described, it is not limited to this.
  • the caliper attachment part 32 demonstrated embodiment which protrudes linearly from the substantially rectangular main-body part 31 to one direction, it is not limited to this, It is formed so that it may protrude in a radial direction from an axle center. Also good.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

[Problem] To provide a torsion beam suspension in which the rigidity of axle support members to which calipers are mounted can be increased to a high level without adding a separate part. [Solution] This torsion beam suspension (100) has trailing arms (10), torsion beams (20), and plate parts (30). The plate parts each have a body section (31), caliper mounting sections (32), and connection sections (33). A tire support section (13) has: first fitting sections (13a, 13b, 13c, 13d) fitting to the body section; second fitting sections (13e, 13f, 13g, 13h) fitting to connection sections; and contact sections (13j, 13k) raised from an extended section (14) in the direction intersecting the left-right direction of the vehicle, the contact sections (13j, 13k) being in contact with the connection sections in the left-right direction of the vehicle.

Description

トーションビーム式サスペンション及びそれに用いられるプレート部品Torsion beam suspension and plate parts used for it
　本発明は、トーションビーム式サスペンション及び当該トーションビーム式サスペンションに使用されるプレート部品に関する。 The present invention relates to a torsion beam suspension and a plate component used for the torsion beam suspension.
　トーションビーム式サスペンションは、サブフレーム型のサスペンションに比べて部品点数などが少なく簡易的な構成であり、比較的小型の自動車に搭載されることが多い。トーションビーム式サスペンションは車両搭載時の左右両端に位置し、車体との取り付け部位と車輪を支持する部位を備えたトレーリングアームを有する。 The torsion beam type suspension has a simple configuration with fewer parts than a subframe type suspension, and is often mounted on a relatively small automobile. The torsion beam type suspension is located at the left and right ends when the vehicle is mounted, and has a trailing arm provided with a part for attachment to the vehicle body and a part for supporting the wheel.
　ここでトレーリングアームにおけるタイヤを支持する箇所をタイヤ支持部と呼ぶことにする。トレーリングアームにおけるタイヤ支持部には車軸を支持するプレート状の車軸支持部材が取り付けられ、車軸支持部材にはハブなどの部品が取り付けられることがよく行われている。トレーリングアームにおけるタイヤ支持部と車軸支持部材とは、車両に対する車輪の取り付け角度（アライメント）の調節幅を広げるために、嵌合によって接続する技術が開示されている（特許文献１参照）。 Here, the portion of the trailing arm that supports the tire is referred to as a tire support portion. A plate-like axle support member that supports an axle is attached to a tire support portion in the trailing arm, and parts such as a hub are often attached to the axle support member. A technique is disclosed in which a tire support portion and an axle support member in a trailing arm are connected by fitting in order to widen an adjustment range of a wheel attachment angle (alignment) with respect to a vehicle (see Patent Document 1).
特許第５１１１１２１号公報Japanese Patent No. 5111121
　タイヤを制動するブレーキのタイプにはドラムブレーキタイプとディスクブレーキタイプとがあり、特許文献１のプレート部材はドラムタイプのものを開示している。しかし、現在使用されるブレーキはディスクタイプのものが多く、ディスクタイプのブレーキにはハブに取り付けられたブレーキディスクにブレーキパッドを当接させたり当接を解除させたりするような、タイヤの制動に関する部品の一つにキャリパーという部品が含まれている。 There are a drum brake type and a disc brake type as brake types for braking the tire, and the plate member of Patent Document 1 discloses a drum type. However, most of the brakes currently used are disc type brakes, and the disc type brakes are related to the braking of tires such that the brake pads are brought into contact with or released from the brake disc attached to the hub. One of the parts is a caliper.
　キャリパーは、トレーリングアームに接続される車軸支持部材とボルト等で締結される。しかし、車軸支持部材におけるキャリパーとの取り付け形状は、タイヤの構成部品であるハブなどとの取り付け部よりも径方向外方に突出して形成される。 ¡The caliper is fastened with an axle support member connected to the trailing arm and a bolt or the like. However, the mounting shape of the axle support member with the caliper is formed so as to protrude outward in the radial direction from the mounting portion with the hub or the like that is a component of the tire.
　また、キャリパーは、タイヤの制動を行う部品であって、ブレーキパッドを介して確実にブレーキディスクの回転を停止させる必要があるため、車軸支持部材におけるキャリパー取付け部は高い剛性が要求される。そのため、特許文献１の記載の技術では車軸支持部材の部分の剛性が十分でなく、キャリパーの取り付けはトレーリングアームと別の部品で行う必要がある。しかし、別部品を追加すれば、その分重量が増加したりコスト増となってしまうといった問題がある。 Also, the caliper is a component that brakes the tire, and since it is necessary to reliably stop the rotation of the brake disk via the brake pad, the caliper mounting portion in the axle support member is required to have high rigidity. Therefore, in the technique described in Patent Document 1, the rigidity of the axle support member is not sufficient, and the caliper needs to be attached by a separate component from the trailing arm. However, if another part is added, there is a problem that the weight increases or the cost increases accordingly.
　そこで本発明は、上記課題を解決するために発明されたものであり、別部品を追加することなくキャリパーを取り付ける車軸支持部材の剛性を高くすることができるトーションビーム式サスペンションを提供することを目的とする。 Accordingly, the present invention has been invented to solve the above-described problems, and an object thereof is to provide a torsion beam suspension capable of increasing the rigidity of an axle support member to which a caliper is attached without adding another part. To do.
　上記目的を達成するトーションビーム式サスペンションは、車両前後方向に伸延する伸延部と当該伸延部の車両前方に形成され車両に接続される車両接続部と伸延部の車両後方に形成されタイヤを回転可能に支持するタイヤ支持部とを備え、車両左右方向に対になって配置されるトレーリングアームと、一対のトレーリングアームとを接続するトーションビームと、タイヤ支持部に取り付けられるプレート部品と、を有する。プレート部品は、タイヤの構成部品に取り付けられる本体部と、本体部における内方から外方に向って突出して形成され、タイヤの回転と当該回転の制動の切り替えを行うキャリパーを取り付けるキャリパー取り付け部と、本体部とキャリパー取付け部とを結ぶ形状の接続部と、を有する。タイヤ支持部は、本体部と嵌合する第１嵌合部と、プレート部品の接続部と嵌合する第２嵌合部と、伸延部から車両左右方向と交差する方向に立ち上げられ車両左右方向において接続部と当接する当接部と、を有する A torsion beam suspension that achieves the above-described object is an extension part that extends in the longitudinal direction of the vehicle, a vehicle connection part that is formed in front of the extension part and connected to the vehicle, and is formed in the rear part of the extension part so that the tire can rotate. A trailing arm provided in pairs in the left-right direction of the vehicle, a torsion beam connecting the pair of trailing arms, and a plate component attached to the tire support. The plate part includes a main body part that is attached to a tire component, a caliper attachment part that is formed to protrude from the inside to the outside of the main body part, and that attaches a caliper that switches between rotation of the tire and braking of the rotation. And a connecting portion having a shape connecting the main body portion and the caliper mounting portion. The tire support portion is raised in a direction intersecting with the vehicle left-right direction from the extension portion, a first fitting portion fitted with the main body portion, a second fitting portion fitted with the connection portion of the plate component, and the vehicle left-right direction. A contact portion that contacts the connection portion in the direction
　本発明に係るトーションビーム式サスペンションによれば、トレーリングアームのタイヤ支持部が本体部と嵌合する第１嵌合部と、プレート部品の接続部と嵌合する第２嵌合部と、伸延部から車両左右方向と交差する方向に立ち上げられ車両左右方向において接続部と当接する当接部と、を有するように構成している。そのため、キャリパー取付け部の部分は本体部と嵌合する第１嵌合部だけでなく接続部と嵌合する第２嵌合部とさらに車両左右方向において接続部と当接する当接部によってタイヤからの入力に対抗することができる。そのため、トレーリングアームのタイヤ支持部におけるプレート部品との剛性を強化することができ。キャリパー取付け部の固定のために別部品を追加しなくてもキャリパー取付け部の剛性を高くすることができる。 According to the torsion beam suspension according to the present invention, the first fitting portion in which the tire support portion of the trailing arm is fitted to the main body portion, the second fitting portion to be fitted to the connection portion of the plate component, and the extension portion And a contact portion that is raised in a direction crossing the vehicle left-right direction and contacts the connection portion in the vehicle left-right direction. Therefore, the caliper mounting portion is not only the first fitting portion that fits the main body portion but also the second fitting portion that fits the connecting portion, and the contact portion that abuts the connecting portion in the vehicle left-right direction. Can compete with the input. Therefore, the rigidity with the plate parts in the tire support part of the trailing arm can be enhanced. The rigidity of the caliper mounting portion can be increased without adding another part for fixing the caliper mounting portion.
本発明の一実施形態に係るトーションビーム式サスペンションを示す概略斜視図である。1 is a schematic perspective view showing a torsion beam suspension according to an embodiment of the present invention. 同サスペンションを示す側面図である。It is a side view showing the suspension. 同サスペンションを示す平面図である。It is a top view which shows the suspension. 同サスペンションを示す正面図である。It is a front view showing the suspension. 図２（Ａ）は同サスペンションからタイヤを構成する部品を取り除いた状態を示す斜視図、図２（Ｂ）は図２（Ａ）からさらにプレート部品とスピンドルを取り除いた状態を示す斜視図、図２（Ｃ）は車両下方から見た斜視図である。2A is a perspective view showing a state in which the components constituting the tire are removed from the suspension, and FIG. 2B is a perspective view showing a state in which the plate components and the spindle are further removed from FIG. 2A. 2 (C) is a perspective view as seen from below the vehicle. 図３（Ａ）～図３（Ｄ）はトレーリングアームのタイヤ接続部とプレート部品との接続について示す平面図、背面図、右側面図、左側面図である。FIGS. 3A to 3D are a plan view, a rear view, a right side view, and a left side view showing the connection between the tire connecting portion of the trailing arm and the plate component. 図４（Ａ）、図４（Ｂ）は図３（Ａ）、図３（Ｃ）においてプレート部品とスピンドルを取り外した状態を示す平面図及び右側面図である。4 (A) and 4 (B) are a plan view and a right side view showing a state in which the plate component and the spindle are removed in FIGS. 3 (A) and 3 (C). 図３の５－５線の位置であって、トレーリングアームとプレート部品とタイヤの構成部品との接続を示す回転断面図である。FIG. 5 is a rotary sectional view showing a connection between a trailing arm, a plate part, and a tire component at the position of line 5-5 in FIG. 3;
　以下、添付した図面を参照しながら、本発明の実施の形態を説明する。なお、以下の記載は特許請求の範囲に記載される技術的範囲や用語の意義を限定するものではない。また、図面の寸法比率は説明の都合上誇張されており、実際の比率とは異なる場合がある。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In addition, the following description does not limit the technical scope and terms used in the claims. In addition, the dimensional ratios in the drawings are exaggerated for convenience of explanation, and may differ from actual ratios.
　図１Ａ～図１Ｄは本発明の一実施形態に係るトーションビーム式サスペンションを示す概略斜視図、側面図、平面図、正面図、図２（Ａ）は同サスペンションからタイヤを構成する部品を取り除いた状態を示す斜視図、図２（Ｂ）は図２（Ａ）からさらにプレート部品とスピンドルを取り除いた状態を示す斜視図、図２（Ｃ）は車両下方から見た斜視図である。図３（Ａ）～図３（Ｄ）はトレーリングアームのタイヤ接続部とプレート部品との接続について示す平面図、背面図、右側面図、左側面図、図４（Ａ）、図４（Ｂ）は図３（Ａ）、図３（Ｃ）においてプレート部品とスピンドルを取り外した状態を示す平面図及び右側面図である。図５は図３の５－５線の位置であって、トレーリングアームとプレート部品とタイヤの構成部品との接続を示す回転断面図である。 1A to 1D are a schematic perspective view, a side view, a plan view, and a front view showing a torsion beam suspension according to an embodiment of the present invention, and FIG. 2A shows a state in which components constituting a tire are removed from the suspension. 2B is a perspective view showing a state in which the plate component and the spindle are further removed from FIG. 2A, and FIG. 2C is a perspective view seen from below the vehicle. 3 (A) to 3 (D) are a plan view, a rear view, a right side view, a left side view, FIG. 4 (A), and FIG. 4 (D) showing connection between a tire connecting portion of a trailing arm and a plate part. FIGS. 3B and 3C are a plan view and a right side view showing a state where the plate parts and the spindle are removed in FIGS. FIG. 5 is a rotary sectional view showing the connection of the trailing arm, the plate part, and the tire component at the position of line 5-5 in FIG.
　本実施形態に係るサスペンションのサブフレーム１００は、ＦＦ（フロントエンジンフロントドライブ）などの車両の後輪を懸架するリアサスペンションである。サスペンションのサブフレーム１００は図１Ｃに示すように、アッパー部材１０と、一対のロア部材２０と、プレート部品３０と、スピンドル４０と、カラー５０と、を有する。トーションビーム式サスペンション１００には概してキャリパー１１０と、ハブ１２０と、ショックアブソーバー１４０と、スプリング１５０と、が取り付けられる。以下、説明する。 The subframe 100 of the suspension according to the present embodiment is a rear suspension that suspends a rear wheel of a vehicle such as an FF (front engine front drive). As shown in FIG. 1C, the suspension subframe 100 includes an upper member 10, a pair of lower members 20, a plate component 30, a spindle 40, and a collar 50. The torsion beam suspension 100 is generally provided with a caliper 110, a hub 120, a shock absorber 140, and a spring 150. This will be described below.
　アッパー部材１０は、一対のトレーリングアーム構成部材１１と、トーションビーム１７と、一対のスプリングシート１８と、を有する。一対のトレーリングアーム構成部材１１と一対のロア部材２０と一対のプレート部品３０と一対のスピンドル４０と一対のカラー５０とによってトレーリングアーム６０が構成される。トレーリングアーム６０は、図１Ｃなどに示すように、トーションビーム１７の車両搭載時における左右方向両端に対称に配置される。 The upper member 10 includes a pair of trailing arm constituent members 11, a torsion beam 17, and a pair of spring seats 18. A pair of trailing arm constituting members 11, a pair of lower members 20, a pair of plate parts 30, a pair of spindles 40, and a pair of collars 50 constitute a trailing arm 60. As shown in FIG. 1C and the like, the trailing arms 60 are symmetrically disposed at both ends in the left-right direction when the torsion beam 17 is mounted on the vehicle.
　トレーリングアーム構成部材１１は、車両接続部１２と、タイヤ支持部１３と、伸延部１４と、スプリング接続部１５と、ビーム接続部１６と、を有する。車両接続部１２は、車両搭載時に車両前方に形成されている。車両接続部１２には、カラー５０が接合され、カラー５０にブッシュが取り付けられる。 The trailing arm component member 11 includes a vehicle connection portion 12, a tire support portion 13, an extension portion 14, a spring connection portion 15, and a beam connection portion 16. The vehicle connection portion 12 is formed in front of the vehicle when mounted on the vehicle. A collar 50 is joined to the vehicle connection portion 12, and a bush is attached to the collar 50.
　タイヤ支持部１３は、図３（Ｃ）に示すように、トレーリングアーム構成部材１１の中でも車両搭載時に後方に形成される。タイヤ支持部１３は、第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄと、第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈと、当接部１３ｊ、１３ｋと、開口部１３ｍと、を有する。 As shown in FIG. 3 (C), the tire support portion 13 is formed rearward among the trailing arm constituent members 11 when the vehicle is mounted. The tire support portion 13 includes first fitting portions 13a, 13b, 13c, and 13d, second fitting portions 13e, 13f, 13g, and 13h, contact portions 13j and 13k, and an opening portion 13m.
　アッパー部材１０とロア部材２０とは、両者を合わせて接合した際に中空断面を形成するようにプレス成形している。本実施形態においてアッパー部材１０は、断面がＵ字状、ロア部材２０は、略平面状に構成しているが、これに限定されない。タイヤ支持部１３は、ロア部材２０のアッパー接続部２１と共にプレート部品３０を取付けている。開口部１３ｍは、アッパー部材１０とロア部材２０によって車両搭載時後方の左右両端に形成され、車両左右方向における内方から外方に向って開くように構成している。 The upper member 10 and the lower member 20 are press-molded so as to form a hollow cross section when they are joined together. In the present embodiment, the upper member 10 has a U-shaped cross section, and the lower member 20 has a substantially planar shape, but is not limited thereto. The tire support portion 13 has a plate component 30 attached together with the upper connection portion 21 of the lower member 20. The opening 13m is formed at the left and right ends of the rear when the vehicle is mounted by the upper member 10 and the lower member 20, and is configured to open from the inside to the outside in the vehicle left-right direction.
　第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄ、第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈ、当接部１３ｊ、１３ｋの説明の前にプレート部品３０について説明する。 The plate component 30 will be described prior to the description of the first fitting portions 13a, 13b, 13c, 13d, the second fitting portions 13e, 13f, 13g, 13h, and the contact portions 13j, 13k.
　プレート部品３０は、本体部３１と、キャリパー取付け部３２と、接続部３３と、ハブ取付け部３４と、スピンドル取付け部３５と、を有する。 The plate part 30 includes a main body part 31, a caliper attachment part 32, a connection part 33, a hub attachment part 34, and a spindle attachment part 35.
　本体部３１は、スピンドル４０を取り付けるスピンドル取付け部３５やタイヤ側の構成部品であるハブ１２０を取付けるハブ取付け部３４を有し、外形が略四角形の部位である。 The main body 31 has a spindle mounting portion 35 to which the spindle 40 is mounted and a hub mounting portion 34 to which the hub 120 which is a component on the tire side is mounted.
　キャリパー取付け部３２は、車両左右方向から見た際に本体部３１から外方に突出した位置に２箇所設けられており、キャリパー１１０とボルト締結するための穴を有している。 The caliper mounting portion 32 is provided at two positions projecting outward from the main body portion 31 when viewed from the left-right direction of the vehicle, and has a hole for fastening the caliper 110 to the bolt.
　接続部３３は、本体部３１とキャリパー取付け部３２とを結ぶ部位である。ハブ取付け部３４は、本体部３１の略四角形の頂点に４箇所ボルトを挿通させる穴として形成されているが、位置や個数はこれに限定されない。スピンドル取付け部３５は、本体部３１の中央においてスピンドル４０を取り付けるための穴として形成されている。 The connecting portion 33 is a portion that connects the main body portion 31 and the caliper mounting portion 32. The hub attachment portion 34 is formed as a hole through which four bolts are inserted in the substantially rectangular apex of the main body portion 31, but the position and number are not limited thereto. The spindle attachment portion 35 is formed as a hole for attaching the spindle 40 at the center of the main body portion 31.
　プレート部品３０は、車両搭載状態において平面視した際に前方より後方の方が車両方向外方に突出させてタイヤ支持部１３に取り付けることもできる。これは、いわゆるアライメントに関する事項である。トー角の調整は車両の乗り心地性能に関する事項であって、プレート部品３０を前方より後方の方が車両左右方向に外方に突出させることでトー角を調整し、乗り心地性能を良好にするように調整することができる。 The plate part 30 can also be attached to the tire support 13 by projecting the rear part from the front side outward in the vehicle direction when viewed in plan in a vehicle-mounted state. This is a matter regarding so-called alignment. The adjustment of the toe angle is a matter related to the ride comfort performance of the vehicle, and the toe angle is adjusted by projecting the plate part 30 outward from the front toward the left and right of the vehicle to improve the ride comfort performance. Can be adjusted as follows.
　次に第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄ、第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈ、当接部１３ｊ、１３ｋについて説明する。第１嵌合部１３ａ、１３ｂ、１３ｃは、図３（Ｃ）に示すように、アッパー部材１０の部位１９の中でも開口部１３ｍにおいてプレート部品３０の本体部３１と嵌合する部位である。第１嵌合部１３ｄは、ロア部材２０の中でも開口部１３ｍにおいてプレート部品３０の本体部３１と嵌合する部位である。 Next, the first fitting parts 13a, 13b, 13c, 13d, the second fitting parts 13e, 13f, 13g, 13h, and the contact parts 13j, 13k will be described. As shown in FIG. 3C, the first fitting portions 13 a, 13 b, and 13 c are portions that fit with the main body portion 31 of the plate component 30 in the opening portion 13 m among the portions 19 of the upper member 10. The first fitting portion 13 d is a portion that fits with the main body portion 31 of the plate component 30 in the opening 13 m in the lower member 20.
　第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈは、アッパー部材１０のタイヤ支持部１３の中でも開口部１３ｍにおいてプレート部品３０の接続部３３と嵌合する部位である。 2nd fitting part 13e, 13f, 13g, 13h is a site | part which fits with the connection part 33 of the plate components 30 in the opening part 13m among the tire support parts 13 of the upper member 10. FIG.
　第１嵌合部１３ｂと第２嵌合部１３ｅとは明確に区分けされているわけではなく、連続して形成されている。第１嵌合部１３ｃと第２嵌合部１３ｈについても同様に連続して形成され、第１嵌合部１３ａ、第２嵌合部１３ｆ、１３ｇについても連続して形成されている。第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄ及び第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈは、本体部３１と接続部３３の外周に形成され、溶接で接合されている。 The first fitting portion 13b and the second fitting portion 13e are not clearly separated and are formed continuously. Similarly, the first fitting portion 13c and the second fitting portion 13h are continuously formed, and the first fitting portion 13a and the second fitting portions 13f and 13g are continuously formed. 1st fitting part 13a, 13b, 13c, 13d and 2nd fitting part 13e, 13f, 13g, 13h are formed in the outer periphery of the main-body part 31 and the connection part 33, and are joined by welding.
　当接部１３ｊ、１３ｋは、前後方向に伸延する伸延部１４から伸びたアッパー部材１０のタイヤ支持部１３において上方向に立ち上げて形成された部位である。当接部１３ｊ、１３ｋは、プレート部品３０の接続部３３と当接している。また、当接部１３ｊは、図３（Ａ）に示すように、プレート部品３０の接続部３３の外形に沿って第２嵌合部１３ｅと第２嵌合部１３ｆとを結ぶように形成されている。同様に、当接部１３ｋは、プレート部品３０の接続部３３の外形に沿って第２嵌合部１３ｇと第２嵌合部１３ｈとを結ぶように形成されている。 The abutting portions 13j and 13k are portions formed by rising upward in the tire support portion 13 of the upper member 10 extending from the extending portion 14 extending in the front-rear direction. The contact portions 13 j and 13 k are in contact with the connection portion 33 of the plate component 30. Further, as shown in FIG. 3A, the contact portion 13j is formed so as to connect the second fitting portion 13e and the second fitting portion 13f along the outer shape of the connection portion 33 of the plate component 30. ing. Similarly, the contact portion 13k is formed so as to connect the second fitting portion 13g and the second fitting portion 13h along the outer shape of the connection portion 33 of the plate component 30.
　プレート部品３０には、スピンドル４０が取り付けられる。プレート部品３０とスピンドル４０とはタイヤ側の部品であるハブ１２０と接続されるが、詳細については後述する。 The spindle 40 is attached to the plate part 30. The plate component 30 and the spindle 40 are connected to a hub 120 that is a tire-side component, which will be described in detail later.
　伸延部１４は、トレーリングアーム６０の車両搭載時に車両前後方向に延び、車両接続部１２とタイヤ支持部１３とを接続する部位である。 The extending portion 14 is a portion that extends in the vehicle front-rear direction when the trailing arm 60 is mounted on the vehicle and connects the vehicle connection portion 12 and the tire support portion 13.
　スプリング接続部１５は、アッパー部材１０の中でも車両搭載時に左右方向内方に形成され、当該箇所にスプリングシート１８が接合される。 The spring connecting portion 15 is formed inward in the left-right direction when the vehicle is mounted in the upper member 10, and the spring seat 18 is joined to the portion.
　ビーム接続部１６は、トレーリングアーム構成部材１１とトーションビーム１７との接合部位である。トレーリングアーム構成部材１１、トーションビーム１７、及びスプリングシート１８は、２以上の板材を接合したテーラードブランクによって構成されている。トレーリングアーム構成部材１１とトーションビーム１７とは別の板材で構成され、例えば板厚を異ならせることによってトレーリングアーム６０からトーションビーム１７にかけての剛性が調整される。 The beam connecting portion 16 is a joint portion between the trailing arm constituent member 11 and the torsion beam 17. The trailing arm constituting member 11, the torsion beam 17, and the spring seat 18 are constituted by a tailored blank obtained by joining two or more plate materials. The trailing arm constituting member 11 and the torsion beam 17 are made of different plates, and the rigidity from the trailing arm 60 to the torsion beam 17 is adjusted by, for example, changing the plate thickness.
　トーションビーム１７は、アッパー部材１０の中でも一対のトレーリングアーム構成部材１１の車両接続部１２とタイヤ支持部１３の間の略中央部分を直線的に結んだ部位から構成される。トーションビーム１７は、本実施形態において断面が車両下方に向って開口したＵ字状に形成されているが、これに限定されない。ロア部材２０は、図２（Ｃ）に示すように、アッパー接続部２１を有する。アッパー接続部２１は、トレーリングアーム構成部材１１の縁部において当接し、トレーリングアーム構成部材１１のＵ字状断面を塞ぐように配置される。 The torsion beam 17 is composed of a portion of the upper member 10 in which a substantially central portion between the vehicle connection portion 12 and the tire support portion 13 of the pair of trailing arm constituting members 11 is linearly connected. In the present embodiment, the torsion beam 17 is formed in a U shape whose cross section is open toward the lower side of the vehicle, but is not limited thereto. The lower member 20 has an upper connection portion 21 as shown in FIG. The upper connecting portion 21 is disposed so as to abut on the edge portion of the trailing arm constituting member 11 and close the U-shaped cross section of the trailing arm constituting member 11.
　スプリングシート１８は、スプリング１５０と、ショックアブソーバー１４０とを取り付けてタイヤからの衝撃を緩和しつつ車両を支持する固定端部である。スプリングシート１８は、設置する場所によって車両の室内空間を狭くするおそれがあるため、図１Ｃに示すように、トーションビーム１７とトレーリングアーム構成部材１１との交差部近傍に設けることが好ましい。 The spring seat 18 is a fixed end portion that supports the vehicle while attaching the spring 150 and the shock absorber 140 to alleviate the impact from the tire. Since the spring seat 18 may reduce the vehicle interior space depending on the installation location, the spring seat 18 is preferably provided in the vicinity of the intersection of the torsion beam 17 and the trailing arm component member 11 as shown in FIG. 1C.
　アッパー部材１０、ロア部材２０は、例えば熱間圧延鋼板などから構成され、各板材の板厚は１、２ｍｍ程度に構成されるがこれに限定されない。 The upper member 10 and the lower member 20 are made of, for example, a hot-rolled steel plate, and the plate thickness of each plate member is about 1 or 2 mm, but is not limited thereto.
　次にサスペンションとタイヤ側の構成部品との取り付けについて説明する。トレーリングアーム６０のタイヤ支持部１３に取り付けられたプレート部品３０には、スピンドル４０とキャリパー１１０とハブ１２０とが取り付けられる。 Next, the installation of the suspension and the components on the tire side will be described. A spindle 40, a caliper 110, and a hub 120 are attached to the plate component 30 attached to the tire support portion 13 of the trailing arm 60.
　プレート部品３０は、上記のようにトレーリングアーム６０のタイヤ支持部１３で嵌合して取り付けられる。プレート部品３０は、キャリパー取付け部３２においてキャリパー１１０とボルトなどで締結される。スピンドル４０は、スピンドル４０の取付け方向と軸方向逆側の端部にナット１７０が取り付けられ、螺合される。 The plate component 30 is fitted and attached at the tire support portion 13 of the trailing arm 60 as described above. The plate component 30 is fastened to the caliper 110 with a bolt or the like at the caliper mounting portion 32. A nut 170 is attached to the end of the spindle 40 on the opposite side to the axial direction of the spindle 40 and screwed together.
　ハブ１２０は、図５に示すように、固定部１２１と、回転部１２２と、スタッドボルト１２３と、ベアリング１２４と、を有する。固定部１２１は、プレート部品３０のハブ取付け部３４と挿通し、ボルトによって締結される。回転部１２２は、ベアリング１２４の外周部に回転可能に取り付けられる。スタッドボルト１２３は、ブレーキに必要なディスク１３０やホイール（不図示）を回転部１２２と共に固定する。 As shown in FIG. 5, the hub 120 includes a fixed part 121, a rotating part 122, a stud bolt 123, and a bearing 124. The fixing part 121 is inserted through the hub attachment part 34 of the plate part 30 and fastened by bolts. The rotating part 122 is rotatably attached to the outer peripheral part of the bearing 124. The stud bolt 123 fixes a disk 130 and a wheel (not shown) necessary for braking together with the rotating portion 122.
　ディスク１３０は、本実施形態において部材１３１と部材１３２とから構成されるが、これに限定されない。部材１３２には、ブレーキパッド１６１と１６２からなるブレーキパッド１６０が取り付けられている。キャリパー１１０の内部で油圧や空気圧を調整することによってブレーキパッド１６０のキャリパー１１０への当接または当接の解除を切り替えることができ、これによってブレーキの制動が実現される。 The disk 130 includes the member 131 and the member 132 in this embodiment, but is not limited thereto. A brake pad 160 comprising brake pads 161 and 162 is attached to the member 132. By adjusting the hydraulic pressure or air pressure inside the caliper 110, the contact of the brake pad 160 with the caliper 110 or the release of the contact can be switched, whereby the braking of the brake is realized.
　次に本実施形態に係る作用効果について説明する。従来、トーションビーム式サスペンションにおいてタイヤ側の構成部品と接続されるプレート部品は、トレーリングアームに設けられた開口部の縁において嵌合によって取り付けられる場合がある。しかし、上記はドラムタイプのブレーキシステムであって、ブレーキの構成部品にキャリパーを備えたディスクタイプのものには対応していない。 Next, functions and effects according to this embodiment will be described. Conventionally, a plate component connected to a tire-side component in a torsion beam type suspension may be attached by fitting at an edge of an opening provided in a trailing arm. However, the above is a drum type brake system, and is not compatible with a disc type brake component having a caliper as a component of the brake.
　また、プレート部品においてキャリパーとの接続部は、タイヤを構成するハウジングとの締結部よりも外側に突出して形成される。また、キャリパーの部分はブレーキパッドの当接や当接の解除を行ってタイヤの制動を実現させるため、それを取り付けるプレート部品のキャリパー取付け分には剛性が高く要求される。そのため、キャリパー取付け部のない従来技術における外周縁部との嵌合だけではキャリパー取付け部において十分な剛性を付与できないおそれがあり、別部品を設ける必要がある。しかし、別部品を設ければ、別部品を設ける分、重量が重くなったり、コストが増加してしまうといった問題がある。 Also, in the plate part, the connection part with the caliper is formed to protrude outward from the fastening part with the housing constituting the tire. In addition, since the caliper portion realizes braking of the tire by bringing the brake pad into contact and releasing the contact, the caliper attached portion of the plate part to which the caliper is attached is required to have high rigidity. Therefore, there is a possibility that sufficient rigidity cannot be provided in the caliper mounting portion only by fitting with the outer peripheral edge portion in the prior art without the caliper mounting portion, and it is necessary to provide another part. However, if another part is provided, there is a problem that the weight increases and the cost increases because the other part is provided.
　これに対し、本実施形態に係るトーションビーム式サスペンション１００は、キャリパー取付け部３２を備えたプレート部品３０において、トレーリングアーム６０のタイヤ支持部１３にプレート部品３０の本体部３１と嵌合する第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄと、接続部３３と嵌合する第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈと、さらに伸延部１４から車両左右方向と交差する方向に立ち上げられ車両左右方向において接続部３３と当接する当接部１３ｊ、１３ｋと、を有するように構成している。 On the other hand, the torsion beam suspension 100 according to the present embodiment is a first part that is fitted to the tire support part 13 of the trailing arm 60 and the main body part 31 of the plate part 30 in the plate part 30 provided with the caliper mounting part 32. The vehicle is raised in a direction intersecting the vehicle left-right direction from the fitting portions 13a, 13b, 13c, 13d, the second fitting portions 13e, 13f, 13g, 13h fitted to the connecting portion 33, and the extension portion 14. The contact portions 13j and 13k are in contact with the connection portion 33 in the left-right direction.
　そのため、キャリパー取付け部３２の部分は本体部３１との嵌合部である第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄだけでなく接続部３３との嵌合部である第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈとさらに当接部１３ｊ、１３ｋによって外部からの入力に対抗することができる。そのため、第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄと第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈと当接部１３ｊ、１３ｋを有するタイヤ支持部１３によって、別部品を追加しなくてもキャリパー１１０を取り付けるキャリパー取り付け部３２の剛性を高いものとすることができる。 Therefore, the caliper mounting portion 32 is not only the first fitting portions 13a, 13b, 13c, and 13d that are fitting portions with the main body portion 31, but also the second fitting portion 13e that is a fitting portion with the connection portion 33. , 13f, 13g, 13h and the abutment portions 13j, 13k can counter external inputs. Therefore, the tire fitting part 13 having the first fitting parts 13a, 13b, 13c, 13d, the second fitting parts 13e, 13f, 13g, 13h and the contact parts 13j, 13k does not need to add another part. The rigidity of the caliper mounting portion 32 to which the caliper 110 is mounted can be increased.
　また、トレーリングアーム６０における第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄ及び第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈは、プレート部品３０の本体部３１と接続部３３の外周に形成されている。タイヤ支持部１３の形状がキャリパー取付け部３２の形状にまで及ぶとトレーリングアーム６０の形状が複雑になり、トレーリングアーム６０の製造性に影響するおそれがある。そのため、第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄ及び第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈはプレート部品３０の本体部３１と接続部３３の外周にのみ嵌合することによってトレーリングアーム６０の形状を複雑なものにせず、キャリパー取り付け部３２の剛性を高いものとすることができる。 The first fitting portions 13 a, 13 b, 13 c, 13 d and the second fitting portions 13 e, 13 f, 13 g, 13 h in the trailing arm 60 are formed on the outer periphery of the main body portion 31 and the connection portion 33 of the plate component 30. ing. When the shape of the tire support portion 13 reaches the shape of the caliper mounting portion 32, the shape of the trailing arm 60 becomes complicated, and the manufacturability of the trailing arm 60 may be affected. Therefore, the first fitting parts 13 a, 13 b, 13 c, 13 d and the second fitting parts 13 e, 13 f, 13 g, 13 h are trailed by fitting only on the outer periphery of the main body part 31 and the connection part 33 of the plate part 30. The shape of the arm 60 is not complicated, and the caliper mounting portion 32 can have high rigidity.
　また、タイヤ支持部１３は、第１嵌合部１３ａ、１３ｂ、１３ｃ、１３ｄと第２嵌合部１３ｅ、１３ｆ、１３ｇ、１３ｈにおいて溶接接合されている。そのため、トレーリングアーム６０とプレート部品３０との接続は嵌合と溶接接合によって行うことができ、ホイールが回転駆動した場合でもプレート部品３０とトレーリングアーム６０との結合剛性をさらに強固にすることができる。 Further, the tire support portion 13 is welded and joined at the first fitting portions 13a, 13b, 13c, and 13d and the second fitting portions 13e, 13f, 13g, and 13h. Therefore, the connection between the trailing arm 60 and the plate part 30 can be performed by fitting and welding, and even when the wheel is driven to rotate, the coupling rigidity between the plate part 30 and the trailing arm 60 is further strengthened. Can do.
　また、プレート部品３０は、平面視した際に前方より後方の方が車両左右方向に突出してタイヤ支持部１３に取り付けられるように構成することもできる。プレート部品３０の平面視した際のトー角は、キャビンの乗り心地に影響を与えるため、上記のようにプレート部品３０をトレーリングアーム６０に取り付けることによって、乗り心地性能を良好にするようにアライメントすることができる。 Further, the plate component 30 can be configured such that when viewed in plan, the rear side protrudes from the front side in the vehicle left-right direction and is attached to the tire support portion 13. Since the toe angle when the plate part 30 is viewed in plan affects the riding comfort of the cabin, by attaching the plate part 30 to the trailing arm 60 as described above, alignment is performed so as to improve the riding comfort performance. can do.
　また、トーションビーム式サスペンション１００は、車両におけるリヤ側のサスペンションとして好適に用いることができる。 Also, the torsion beam suspension 100 can be suitably used as a rear suspension in a vehicle.
　本発明は上述した実施形態に限定されず、特許請求の範囲において種々の変更が可能である。 The present invention is not limited to the embodiment described above, and various modifications can be made within the scope of the claims.
　タイヤの構成部品であるキャリパー取付け部３２は２箇所である実施形態について説明したが、これに限定されない。また、キャリパー取付け部３２は、略矩形状の本体部３１から一方向に直線的に突出する実施形態について説明したが、これに限定されず、車軸中心から放射方向に突出するように形成されてもよい。 Although the embodiment in which the caliper mounting portion 32, which is a component part of the tire, is provided in two places has been described, it is not limited to this. Moreover, although the caliper attachment part 32 demonstrated embodiment which protrudes linearly from the substantially rectangular main-body part 31 to one direction, it is not limited to this, It is formed so that it may protrude in a radial direction from an axle center. Also good.
１０　アッパー部材、
１１　トレーリングアーム構成部材、
１２　車両接続部、
１３　タイヤ支持部、
１３ａ、１３ｂ、１３ｃ、１３ｄ　第１嵌合部、
１３ｅ、１３ｆ、１３ｇ、１３ｈ　第２嵌合部、
１３ｊ、１３ｋ　当接部、
１４　伸延部、
１５　スプリング接続部、
１６　ビーム接続部、
１７　トーションビーム、
１８　スプリングシート、
２０　ロア部材、
２１　アッパー接続部、
３０　プレート部品、
３１　本体部、
３２　キャリパー取付け部、
３３　接続部、
４０　スピンドル、
５０　カラー、
６０　トレーリングアーム、
１１０　キャリパー、
１２０　ハブ、
１２１　固定部、
１２２　回転部、
１２３　スタッドボルト、
１２４　ベアリング、
１３０、１３１、１３２　ディスク、
１４０　ショックアブソーバー、
１５０　スプリング、
１６０、１６１、１６２　ブレーキパッド、
１７０　ナット。 10 Upper member,
11 Trailing arm components,
12 Vehicle connection part,
13 tire support,
13a, 13b, 13c, 13d first fitting portion,
13e, 13f, 13g, 13h second fitting portion,
13j, 13k contact part,
14 Distraction part,
15 Spring connection,
16 beam connection,
17 Torsion beam,
18 Spring seat,
20 Lower member,
21 Upper connection,
30 plate parts,
31 body,
32 caliper mounting part,
33 connections,
40 spindles,
50 colors,
60 trailing arm,
110 calipers,
120 hub,
121 fixing part,
122 rotating part,
123 stud bolt,
124 bearings,
130, 131, 132 discs,
140 shock absorber,
150 springs,
160, 161, 162 Brake pads,
170 nuts.

Claims (6)

  1. 　車両前後方向に伸延する伸延部と前記伸延部の車両前方に形成され車両に接続される車両接続部と前記伸延部の車両後方に形成されタイヤを回転可能に支持するタイヤ支持部とを備え、車両左右方向に対になって配置されるトレーリングアームと、一対の前記トレーリングアームとを接続するトーションビームと、前記タイヤ支持部に取り付けられるプレート部品と、を有するトーションビーム式サスペンションであって、
    　前記プレート部品は、前記タイヤの構成部品に取り付けられる本体部と、前記本体部における内方から外方に向って突出して形成され、タイヤの回転と当該回転の制動の切り替えを行うキャリパーを取り付けるキャリパー取り付け部と、前記本体部と前記キャリパー接続部とを結ぶ形状の接続部と、を有し、
    　前記タイヤ支持部は、前記本体部と嵌合する第１嵌合部と、前記接続部と嵌合する第２嵌合部と、前記伸延部から車両左右方向と交差する方向に立ち上げられ車両左右方向において前記接続部と当接する当接部と、を有するトーションビーム式サスペンション。     An extension part extending in the vehicle front-rear direction, a vehicle connection part formed on the front side of the extension part and connected to the vehicle, and a tire support part formed on the rear side of the extension part and rotatably supporting the tire, A torsion beam suspension having a trailing arm arranged in a pair in the left-right direction of the vehicle, a torsion beam connecting the pair of trailing arms, and a plate component attached to the tire support,
    The plate part is a body part attached to a component part of the tire, and a caliper that is formed to protrude from the inside to the outside of the body part and attaches a caliper that switches between rotation of the tire and braking of the rotation. An attachment portion, and a connection portion having a shape connecting the main body portion and the caliper connection portion,
    The tire support portion is raised from a first fitting portion that fits into the main body portion, a second fitting portion that fits into the connection portion, and the extending portion in a direction intersecting the vehicle left-right direction. A torsion beam suspension having a contact portion that contacts the connection portion in the left-right direction.
  2. 　前記第１嵌合部及び前記第２嵌合部は、前記本体部と前記接続部の外周に形成される請求項１に記載のトーションビーム式サスペンション。 The torsion beam suspension according to claim 1, wherein the first fitting portion and the second fitting portion are formed on the outer periphery of the main body portion and the connection portion.
  3. 　前記第１嵌合部及び前記第２嵌合部は、溶接接合される請求項１または２に記載のトーションビーム式サスペンション。 The torsion beam suspension according to claim 1 or 2, wherein the first fitting portion and the second fitting portion are welded.
  4. 　前記プレート部品は、車両搭載状態において平面視した際に前方より後方の方が車両左右方向外方に突出して前記タイヤ支持部に取り付けられる請求項１から３のいずれか１項に記載のトーションビーム式サスペンション。 The torsion beam type according to any one of claims 1 to 3, wherein the plate component is attached to the tire support portion such that when viewed from above in a vehicle-mounted state, the rear side protrudes outward in the left-right direction of the vehicle. suspension.
  5. 　リヤ側のサスペンションに用いられる請求項１から４のいずれか１項に記載のトーションビーム式サスペンション。 The torsion beam suspension according to any one of claims 1 to 4, which is used for a suspension on a rear side.
  6. 　請求項１から５のいずれか１項に記載のトーションビーム式サスペンションに用いられるプレート部品。 A plate component used in the torsion beam suspension according to any one of claims 1 to 5.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114475137A (en) * 2022-01-21 2022-05-13 奇瑞汽车股份有限公司 Torsion beam assembly of automobile rear suspension

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JPH0737719U (en) * 1993-12-24 1995-07-11 株式会社ヨロズ Torsion beam suspension
JP2004042690A (en) * 2002-07-09 2004-02-12 F Tech:Kk Torsion beam type suspension
JP2005081905A (en) * 2003-09-05 2005-03-31 F Tech:Kk Torsion beam type suspension
JP2009062045A (en) * 2008-12-17 2009-03-26 Mtk:Kk Suspension for automobile
JP2010158939A (en) * 2009-01-07 2010-07-22 Hosei Brake Ind Ltd Torsion beam type suspension

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JPH0737719U (en) * 1993-12-24 1995-07-11 株式会社ヨロズ Torsion beam suspension
JP2004042690A (en) * 2002-07-09 2004-02-12 F Tech:Kk Torsion beam type suspension
JP2005081905A (en) * 2003-09-05 2005-03-31 F Tech:Kk Torsion beam type suspension
JP2009062045A (en) * 2008-12-17 2009-03-26 Mtk:Kk Suspension for automobile
JP2010158939A (en) * 2009-01-07 2010-07-22 Hosei Brake Ind Ltd Torsion beam type suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114475137A (en) * 2022-01-21 2022-05-13 奇瑞汽车股份有限公司 Torsion beam assembly of automobile rear suspension

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