WO2015173898A1 - Attachment structure for caster, and platform - Google Patents

Attachment structure for caster, and platform Download PDF

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Publication number
WO2015173898A1
WO2015173898A1 PCT/JP2014/062759 JP2014062759W WO2015173898A1 WO 2015173898 A1 WO2015173898 A1 WO 2015173898A1 JP 2014062759 W JP2014062759 W JP 2014062759W WO 2015173898 A1 WO2015173898 A1 WO 2015173898A1
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Prior art keywords
base plate
mounting
piece
caster
insertion hole
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PCT/JP2014/062759
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French (fr)
Japanese (ja)
Inventor
彰則 齋藤
英文 小林
実 小名木
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株式会社ナンシン
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Priority to JP2014550581A priority Critical patent/JP5707005B1/en
Priority to PCT/JP2014/062759 priority patent/WO2015173898A1/en
Publication of WO2015173898A1 publication Critical patent/WO2015173898A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors

Definitions

  • the present invention eliminates the need to use fixing brackets such as screws and bolts when mounting a caster on a mounting surface such as a bottom surface of a carriage, etc., and allows the caster to be easily and reliably mounted using a mounting member. And a mounted body such as a carriage using the same.
  • the caster base is fitted into a synthetic resin caster mounting portion provided on the lower surface of the cargo bed, and a stopper is inserted from the upper surface side of the cargo bed, thereby A caster mounting structure for mounting the caster to a loading platform by immovably fixing the pedestal of the caster, wherein the caster mounting portion includes a first insertion portion into which one side end of the pedestal of the caster is fitted, and the one side end And a second insertion portion that inserts an end portion on the other side that faces the portion, and the first insertion portion includes a relief portion that can be inserted further into the insertion direction from the fixed position.
  • a stopper is inserted into the relief part of the first insertion part from the upper surface of the loading platform, and a pressing piece for pressing the other side edge of the inserted base is inserted from the upper surface of the loading platform into the second insertion part.
  • Constitution It has been disclosed. However, in the above configuration, since the stopper and the pressing piece inserted from the upper surface of the loading platform are separated from each other, it is necessary to arrange the opening for embedding them separately, and accurate positioning is required, Since it is configured to be prevented from being pulled out mainly by a frictional force, it may come off when a strong external impact force is applied. Further, since the stopper and the pressing piece are separated from each other, the structure becomes complicated if an engagement means is provided for each.
  • the problem to be solved by the present invention is that the first mounting member and the second mounting member are fitted into one insertion hole, the caster mounting base plate is restrained by the first mounting member, and the second mounting member is used. It is an object of the present invention to provide a caster mounting structure having a simple structure that is strong against external impact and difficult to come off by restraining one mounting member and hooking it on the loading platform side.
  • a caster mounting portion provided on the base plate of the mounted body has a support portion for supporting the upper surface of the caster mounting base plate in a predetermined posture, and a base side latching portion for hooking one end side of the mounting base plate from below.
  • a base side latching portion for hooking one end side of the mounting base plate from below.
  • an insertion hole portion opened on the upper surface of the base plate is formed, and the first mounting member and the second mounting member are inserted into the insertion hole portion.
  • a first mounting member is hooked on the edge of the fitting hole, a first base hook piece, a first leg piece extending downward from the first base hook piece, and the one leg piece A first hooking piece for hooking the other end of the caster mounting base plate from below;
  • the second mounting portion is engaged with the second base plate retaining piece that is hooked to the edge portion of the insertion hole portion, and when the first mounting portion is inserted into the insertion hole portion, the second mounting portion is fitted in the remaining space and the second mounting portion.
  • the other end of the mounting base plate of the caster in which the first mounting member and the second mounting member are inserted into one insertion hole and one end is latched to the base side latching section, is inserted from the insertion hole section.
  • the first mounting member is inserted into the first mounting piece and is set on the caster mounting portion.
  • the second mounting member is inserted into the remaining space in which the first mounting member of the insertion hole portion is inserted. 2
  • the first mounting member is restrained by contacting the peripheral wall portion of the mounting member and the back surface of the first leg piece, and at the same time, the locking claw portion at the lower end of the second leg piece of the second mounting member is locked to the base plate. Since the second mounting member is locked to the receiving piece so that the second mounting member does not fall out of the fitting hole, the caster can be easily and securely attached to the mounted member such as a base plate without using a fixing bracket such as a bolt. be able to.
  • FIG. 7 is a sectional view taken along line AA in FIG. 6. It is sectional drawing of the state which inserted the 1st attachment member in the insertion hole part.
  • the first mounting member and the second mounting member are inserted into one insertion hole, the caster mounting base plate is hooked by the first mounting member, the first mounting member is restrained by the second mounting member, and the second mounting portion.
  • the base plate 1 is made of a rectangular synthetic resin base plate, and on the upper surface, a through hole 8a for gripping, a hole 8b for fitting a wheel of the caster 30 during stacking, and the like are appropriately provided. Is formed. Reinforcing ribs 8 project in a grid pattern on the back surface of the base 1, and caster mounting portions 2 for mounting casters 30 are formed at the four corners.
  • the caster 30 has a plate-shaped mounting base plate 31 at the upper portion, and the support yoke 33 that pivotally supports the wheel W is a turning caster that is rotatably mounted on the mounting base plate 31 via a bearing portion 32.
  • a straight caster in which the support yoke 33 is fixed to the mounting base plate 31 may be used.
  • the wheel may be a single wheel or a double wheel.
  • a single mounting base plate 31 having a plurality of casters mounted thereon can be used as a mounting caster in the present invention.
  • the caster mounting portion 2 is in contact with the upper surface of the mounting base plate 31 of the caster 30 to support the mounting base plate 31 horizontally at a predetermined height.
  • a hook-like base-side latching portion 4 that hangs from one surface of the base 3 from the upper surface of the base 1 and protrudes toward the inside of the base 3, and a base on the base side of the base 3 It has a fitting hole portion 5 formed at a location facing the board side latching portion 4 and a locking receiving piece 7 that is in contact with the fitting hole portion 5 and is suspended from the upper surface.
  • the support part 3 is substantially half the length of the reinforcing rib 8, and a base side latching part 4 is formed at one end of the support part 3 near the outer end in the longitudinal direction of the base 1.
  • the base side latching part 4 protrudes toward the support part 3 at a midway position of the rib that hangs down from the upper surface of the base 1, and supports the mounting base plate 31 from below by the protruding surface.
  • the tip is bent at a right angle and has a hook shape that hangs down.
  • a height difference corresponding to the thickness of the mounting base plate 31 of the caster 30 is provided between the lower end of the support portion 3 and the protruding surface of the base side latching portion 4.
  • the mounting base plate 31 protruded the said base side latching part 4 by making the front-end
  • the fitting hole portion 5 includes a substantially rectangular through hole on the base end side of the support portion 3.
  • the insertion hole portion 5 is provided on the other end portion of the support portion 3 on the side facing the base side latching portion 4. That is, in the illustrated example, the support portion 3 includes a plurality of positioning ribs 3 a whose tips abut with the midway position of the mounting base plate 31 and the other of the mounting base plate 31 facing the base side latching portion 4. It comprises a guide rib 3b that abuts the end of the guide.
  • the guide rib 3 b also serves as one wall portion of the insertion hole portion 5.
  • the insertion hole portion 5 has a first mounting member 11 and a second mounting portion of the first mounting member 10 to be described later at the opening edge portions on the three sides of the vertical side of the opening close to the support portion 3 and the left and right side sides. 20, and the upper surfaces of the first and second platform retaining pieces 11 and 21 are flush with the upper surface of the platform 1.
  • Step portions 6a to 6c set to have the same thickness as the above-described hooking pieces 11 and 21 are provided (see FIG. 5).
  • the guide rib 3 b hangs from the top surface of the base plate 1 from the tip of the step portion 6 a on the vertical side to form a peripheral wall on the vertical side of the insertion hole portion 5.
  • a protruding portion 9 that protrudes on the opening side is formed in the middle position.
  • the protrusion 9 is a locking receiving piece 7 which is suspended as it is and engaged with a locking claw 23 of a second mounting portion 20 which will be described later.
  • the first mounting member 10 includes a first base board retaining piece 11 and a first leg that hangs down from one (rear) end of the first base board retaining piece 11. It consists of a piece 12 and a first latch piece 14 provided at the lower end of the first leg piece 12.
  • the first base hooking piece 11 is made of a rectangular plate, and is hooked by being engaged with the stepped portion 6a of the fitting hole portion 5 except for a portion connected to the first leg piece 12.
  • the first leg pieces 12 overlap with each other along the outside of the guide rib 3b without any gap, and project the first hooking piece portion 14 toward the support portion 3 at a location beyond the guide rib 3b.
  • the first hooking piece 14 is bent at a right angle from the first leg piece 12, and the upper surface thereof is arranged at the same level as the protruding surface of the platform side hooking part 4. Also, a pair of reinforcing protrusions 14a are formed on the bottom surface at both ends in the width direction.
  • the other end of the mounting base plate 31 of the caster 30 whose one end is latched to the base side latching portion 4 can be leveled and latched on the first latching piece portion 14 (FIG. 8). reference).
  • the first attachment member 10 freely moves in the insertion hole portion 5, so the second attachment portion 20 is inserted into the remaining gap of the insertion hole portion 5 in which the first attachment member 10 is inserted.
  • the second mounting portion 20 includes a second base plate retaining piece 21, a peripheral wall portion 24 that hangs down from the second base side retaining portion 4 and surrounds three sides, and the peripheral wall portion 24.
  • the second leg piece 22 hangs down at an intermediate position surrounded by the elastic portion and has elasticity, and a locking claw portion 23 that protrudes in a direction away from the support portion 3 at the lower end of the second leg piece 22.
  • the second base latching piece 21 is formed of a rectangular plate that is aligned with the first baseboard latching piece 11, and is recessed toward the support part 3 at an intermediate position on the side that is separated from the support part 3.
  • a recess 25 is formed.
  • the recess 25 is formed by a recess that fits into the protrusion 9 formed in the insertion hole 5 with substantially no gap.
  • the 2nd leg piece 22 which has the elasticity drooping along the groove bottom face of this recessed part 25 is provided, and the latching claw part 23 which protrudes in the said protrusion 9 side is formed in the lower end.
  • the locking claw portion 23 can be engaged with the lower end of the locking receiving piece 7 that hangs down from the upper surface of the base 1 along the protrusion 9.
  • the locking claw 23 abuts the upper surface of the projection 9 when fitted into the fitting hole 5, but has a sloped surface whose bottom end is inclined while gradually becoming thinner upward in the protruding direction. Therefore, by pushing down, while the second leg piece 22 is bent toward the support portion 3 side, the locking claw portion 23 is displaced toward the support portion 3 side, and sliding along the end surface of the locking receiving piece 7 The lower leg 22 can be engaged with the lower end of the latch receiving piece 7 by the repulsive force of the second leg piece 22.
  • a circumferential wall portion 24 is formed so as to surround the three leg portions in a state of being separated from the second leg piece 22 and to be fitted into the fitting hole portion 5 without a gap.
  • the peripheral wall portion 24 hangs down from a midway position while leaving a surface that can be engaged with the left and right step portions 5b and 5c at the left and right edges at one end (the support portion 3 side) of the second base plate retaining piece 21. It has a wall surface 24a.
  • the peripheral wall portion 24 having the back wall surface 24a in the center is bent at a right angle from the back wall surface 24a toward the direction away from the support portion 3, and is substantially the same as a pair of ribs (peripheral walls) 5e forming the peripheral wall of the fitting hole portion 5. It has a pair of side wall surfaces 24b and 24c in contact with each other without a gap, and forms a peripheral wall portion 24 that surrounds the three sides while providing a gap with the second leg piece 22.
  • the other end of the mounting base plate 31 of the caster 30 latched by the first latching piece portion 14 of the first mounting member 10 is locked to the base 1 side by the second mounting portion 20. It can restrain by engaging the latching claw part 23 with the receiving piece 7. Further, the first base plate retaining piece 11 and the second base plate retaining piece 21 are hooked on the stepped portions 5a to 5c of the insertion hole portion 5 without any gap, and the upper surface after the insertion is the upper surface of the base plate 1 Set to the same plane.
  • the caster 30 when mounting, first, as shown in FIG. 7, one end of the mounting base plate 31 of the caster 30 is hooked on the base side hooking portion 4, and the mounting base plate 31 is horizontal, as shown in FIG. As shown, the first mounting member 10 is inserted into the insertion hole 5, the other end of the mounting base plate 31 is latched by the first latching piece 14, and then the second mounting is performed as shown in FIG.
  • the first mounting member 10 is also restrained in the insertion hole portion 5 via the second mounting portion 20 by inserting the portion 20 into the insertion hole portion 5 and engaging the locking claw portion 23 with the locking receiving piece 7. Therefore, the caster 30 can be securely attached to the base plate 1 with a simple operation without using a fixing bracket such as a screw.
  • the base, the 1st attachment member, and the 2nd attachment part illustrated the case made from a synthetic resin, those raw materials are not limited to the said Example.
  • the second leg piece 22 has a structure having elasticity or flexibility, and the locking receiving piece 7 is a member fixed to the base plate.
  • the second leg piece 22 is elastic.
  • the latch receiving piece 7 has elasticity or flexibility. In that case, the locking claw 23 descends while bending the locking receiving piece 7 and passes through the lower end of the locking receiving piece 7, so that the locking receiving piece 7 returns to its original position by elastic force, It can be engaged with the receiving piece 7.
  • the upper surfaces of the first mounting member 10 and the second mounting member 20 are the upper surfaces of the base plate 1. It may be more depressed or protrude. Moreover, a gap, a groove, a hole or the like remains in a part of the upper opening of the insertion hole portion 5 and may not be completely closed.

Abstract

[Problem] To provide an attachment structure for a caster, designed so that the caster can be attached easily and reliably using an attachment member without the need to use securing fittings such as screws or bolts. [Solution] An attachment structure for a caster in which a support part for supporting the top surface of an attachment base plate of the caster in a prescribed orientation and a block-side engaging part for engaging one end side of the attachment base plate from below are formed on a caster attachment part provided to a block of an object to be attached, a fitting hole opening into the top surface of the block is formed near to the other end side of the attachment base plate, and a first attachment member and second attachment member are inserted into the fitting hole to engage the other end side of the attachment base plate from below and secure the attachment base plate.

Description

キャスタの取付構造および台車Caster mounting structure and cart
　本発明は、台車等の底面等の被取付面にキャスタを取り付けるに際して、ネジやボルト等の固定金具の使用を不要化し、取付部材を用いて容易に且つ確実に取付けることができるようにしたキャスタの取付構造およびそれを用いた台車などの被取付体に関する。 The present invention eliminates the need to use fixing brackets such as screws and bolts when mounting a caster on a mounting surface such as a bottom surface of a carriage, etc., and allows the caster to be easily and reliably mounted using a mounting member. And a mounted body such as a carriage using the same.
　この種のキャスタの取付構造として、例えば特開２００６－２１５５５号では、荷台下面に設けた合成樹脂製のキャスタ取付部にキャスタの台座を嵌入して、荷台上面側からストッパを挿入して前記キャスタの台座を移動不能に固定することにより前記キャスタを荷台に取り付けるキャスタの取付構造であって、前記キャスタ取付部は、前記キャスタの台座の一辺端部を嵌入する第一嵌入部と、前記一辺端部と対向する他辺端部を嵌入する第二嵌入部とを備えており、前記第一嵌入部には、前記台座の一辺端部を、固定位置よりさらに嵌入方向奥に挿入可能な逃がし部を設け、前記第一嵌入部の逃がし部に荷台上面からストッパを挿入し、第二嵌入部には、嵌入された前記台座の他辺端部を押圧する押さえ片が、荷台上面から挿入される構成が開示されている。
　しかし、上記構成では、荷台上面から差し込まれたストッパと押さえ片は離間しているので、これらを埋め込むための開口部も離間して配置する必要があり、正確な位置決めが必要とされると共に、主に摩擦力によって抜止めが防止される構成となっているので、強い外的衝撃力が加わると、外れてしまうおそれがある。
　また、ストッパと押さえ片とは離間しているので、それぞれに係合手段を設けると構造が複雑になる。 As a mounting structure for this type of caster, for example, in Japanese Patent Application Laid-Open No. 2006-21555, the caster base is fitted into a synthetic resin caster mounting portion provided on the lower surface of the cargo bed, and a stopper is inserted from the upper surface side of the cargo bed, thereby A caster mounting structure for mounting the caster to a loading platform by immovably fixing the pedestal of the caster, wherein the caster mounting portion includes a first insertion portion into which one side end of the pedestal of the caster is fitted, and the one side end And a second insertion portion that inserts an end portion on the other side that faces the portion, and the first insertion portion includes a relief portion that can be inserted further into the insertion direction from the fixed position. A stopper is inserted into the relief part of the first insertion part from the upper surface of the loading platform, and a pressing piece for pressing the other side edge of the inserted base is inserted from the upper surface of the loading platform into the second insertion part. Constitution It has been disclosed.
However, in the above configuration, since the stopper and the pressing piece inserted from the upper surface of the loading platform are separated from each other, it is necessary to arrange the opening for embedding them separately, and accurate positioning is required, Since it is configured to be prevented from being pulled out mainly by a frictional force, it may come off when a strong external impact force is applied.
Further, since the stopper and the pressing piece are separated from each other, the structure becomes complicated if an engagement means is provided for each.
特開２００６－２１５５５号公報JP 2006-21555 A
　この発明が解決しようとする問題点は、第１取付部材と第２取付部材とを１つの嵌入孔に嵌入し、第１取付部材でキャスタの取付台板を拘束し、第２取付部材で第１取付部材を拘束すると共に荷台側に掛止めることで、外的衝撃に強く外れにくい簡単な構造のキャスタの取付構造を提供することにある。 The problem to be solved by the present invention is that the first mounting member and the second mounting member are fitted into one insertion hole, the caster mounting base plate is restrained by the first mounting member, and the second mounting member is used. It is an object of the present invention to provide a caster mounting structure having a simple structure that is strong against external impact and difficult to come off by restraining one mounting member and hooking it on the loading platform side.
　上記課題を解決するために、請求項１の発明では、
　被取付体の台盤に設けられたキャスタ取付部にキャスタの取付台板の上面を所定姿勢に支承する支承部と、前記取付台板の一端側を下方から掛止める台盤側掛止部が形成されると共に、前記取付台板の他端側の近傍には台盤上面に開口した嵌入孔部が形成されており、該嵌入孔部に第１取付部材と第２取付部材を挿入して前記取付台板の他端側を下方から掛止めて取付台板を固定してなるキャスタの取付構造において、
　第１取付部材が、嵌入孔部の口縁部に掛止められる第１台盤掛止片と、該第１台盤掛止片から下方に延びる第１脚片と、該該１脚片に設けられて前記キャスタの取付台板の他端を下方から掛止める第１掛止片部とからなっており、
　第２取付部が、嵌入孔部の口縁部に掛止められる第２台盤掛止片と、前記嵌入孔部に第１取付部を嵌入した際に残りの空間に嵌合すると共に前記第１取付部の第１脚片の背面と接する周壁部と、前記第２台盤掛止片から下方に延び前記周壁部と離間した位置に設けられた第２脚片と、該第２脚片の下端に形成された係止爪部とからなっており、
　前記台盤に嵌入孔部の口縁部に沿って下方へ延びる係止受片を突設しておき、
　前記第２取付部材の嵌入時に係止爪部が係止受片の先端に係止してなることを特徴とする。 In order to solve the above problem, the invention of claim 1
A caster mounting portion provided on the base plate of the mounted body has a support portion for supporting the upper surface of the caster mounting base plate in a predetermined posture, and a base side latching portion for hooking one end side of the mounting base plate from below. In the vicinity of the other end side of the mounting base plate, an insertion hole portion opened on the upper surface of the base plate is formed, and the first mounting member and the second mounting member are inserted into the insertion hole portion. In the caster mounting structure in which the other end side of the mounting base plate is hooked from below and the mounting base plate is fixed,
A first mounting member is hooked on the edge of the fitting hole, a first base hook piece, a first leg piece extending downward from the first base hook piece, and the one leg piece A first hooking piece for hooking the other end of the caster mounting base plate from below;
The second mounting portion is engaged with the second base plate retaining piece that is hooked to the edge portion of the insertion hole portion, and when the first mounting portion is inserted into the insertion hole portion, the second mounting portion is fitted in the remaining space and the second mounting portion. A peripheral wall portion in contact with the back surface of the first leg piece of the one attachment portion; a second leg piece extending downward from the second base plate retaining piece; and provided at a position spaced apart from the peripheral wall portion; and the second leg piece It consists of a locking claw part formed at the lower end of
A locking receiving piece extending downward along the mouth edge of the insertion hole is provided on the base plate,
The engagement claw portion is engaged with the distal end of the engagement receiving piece when the second attachment member is inserted.
　この発明では、第１取付部材と第２取付部材とを１つの嵌入孔に嵌入し、一端が台盤側掛止部に掛け止められたキャスタの取付台板の他端を、嵌入孔部から挿入した第１取付部材の第１掛止片部で掛け止めてキャスタ取付部にセットし、前記嵌入孔部の第１取付部材が挿入された残りの空間に第２取付部材を嵌入し、第２取付部材の周壁部と第１脚片の背面とを当接して第１取付部材を拘束し、同時に、第２取付部材の第２脚片の下端の係止爪部を台盤の係止受片に係止して第２取付部材が嵌入孔部から抜け落ちないように構成されているので、キャスタをボルト等の固定金具を用いずに台盤などの被取付部材に簡単かつ確実に取り付けることができる。 In this invention, the other end of the mounting base plate of the caster, in which the first mounting member and the second mounting member are inserted into one insertion hole and one end is latched to the base side latching section, is inserted from the insertion hole section. The first mounting member is inserted into the first mounting piece and is set on the caster mounting portion. The second mounting member is inserted into the remaining space in which the first mounting member of the insertion hole portion is inserted. 2 The first mounting member is restrained by contacting the peripheral wall portion of the mounting member and the back surface of the first leg piece, and at the same time, the locking claw portion at the lower end of the second leg piece of the second mounting member is locked to the base plate. Since the second mounting member is locked to the receiving piece so that the second mounting member does not fall out of the fitting hole, the caster can be easily and securely attached to the mounted member such as a base plate without using a fixing bracket such as a bolt. be able to.
台車の台盤のキャスタの取付構造を示す斜視図である。It is a perspective view which shows the attachment structure of the caster of the base plate of a trolley | bogie. 台車の斜視図であって（ａ）は第１取付部材と第２取付部を嵌入前、（ｂ）は嵌入後を示す。It is a perspective view of a trolley, and (a) shows before insertion, and (b) shows after insertion of the 1st attachment member and the 2nd attachment part. （ａ）第１取付部材の斜視図、（ｂ）同断面図である。(A) A perspective view of the first mounting member, (b) a sectional view of the same. （ａ）第２取付部材の斜視図、（ｂ）同断面図である。(A) A perspective view of the second mounting member, (b) a sectional view of the same. 嵌入孔部の斜視図である。It is a perspective view of a fitting hole part. 台盤の平面図である。It is a top view of a base board. 図６のＡ－Ａ線断面図である。FIG. 7 is a sectional view taken along line AA in FIG. 6. 第１取付部材を嵌入孔部に嵌入した状態の断面図である。It is sectional drawing of the state which inserted the 1st attachment member in the insertion hole part. 第１取付部材と第２取付部とを嵌入孔部に嵌入した状態の断面図である。It is sectional drawing of the state which inserted the 1st attachment member and the 2nd attachment part in the insertion hole part. キャスタ取付部周辺を底面から見た斜視図であって、（ａ）はキャスタ取付前、（ｂ）はキャスタ取付後である。It is the perspective view which looked at the caster attachment part periphery from the bottom, Comprising: (a) is before caster attachment, (b) is after caster attachment.
　第１取付部材と第２取付部材とを１つの嵌入孔に嵌入し、第１取付部材でキャスタの取付台板を掛止め、第２取付部材で第１取付部材を拘束し該第２取付部は荷台側に係止することで、簡単で確実なキャスタの台盤への取付を実現した。 The first mounting member and the second mounting member are inserted into one insertion hole, the caster mounting base plate is hooked by the first mounting member, the first mounting member is restrained by the second mounting member, and the second mounting portion. By locking to the cargo bed side, it was possible to easily and securely mount the caster on the base plate.
　以下に、この発明のキャスタの取付構造を台車の台盤（荷台）に適用した場合の好適実施例について図面を参照しながら説明する。
　台盤１は、本実施例の場合、矩形の合成樹脂製の台盤からなっており、上面には、把持用の貫通孔８ａや、スタッキングに際してキャスタ３０の車輪を嵌込む孔８ｂなどが適宜形成されている。
　上記台盤１の裏面には補強用のリブ８が格子状に突設されており、その四隅にはキャスタ３０を装着するためのキャスタ取付部２が形成されている。 In the following, a preferred embodiment when the caster mounting structure of the present invention is applied to a platform (loading platform) of a carriage will be described with reference to the drawings.
In the case of the present embodiment, the base plate 1 is made of a rectangular synthetic resin base plate, and on the upper surface, a through hole 8a for gripping, a hole 8b for fitting a wheel of the caster 30 during stacking, and the like are appropriately provided. Is formed.
Reinforcing ribs 8 project in a grid pattern on the back surface of the base 1, and caster mounting portions 2 for mounting casters 30 are formed at the four corners.
　ここでキャスタ３０は、上部にプレート状の取付台板３１を有し、車輪Ｗを軸支した支持ヨーク３３は軸受部３２を介して取付台板３１に旋回可能に取り付けた旋回キャスタを用いたが、前記支持ヨーク３３を取付台板３１に固定した直進用のキャスタを用いてもよい。
　また、車輪は単輪でも双輪でよい。
　更に、１枚の取付台板３１に複数のキャスタが装着されたものも、この発明では取付用のキャスタとして用いることができる。 Here, the caster 30 has a plate-shaped mounting base plate 31 at the upper portion, and the support yoke 33 that pivotally supports the wheel W is a turning caster that is rotatably mounted on the mounting base plate 31 via a bearing portion 32. However, a straight caster in which the support yoke 33 is fixed to the mounting base plate 31 may be used.
Further, the wheel may be a single wheel or a double wheel.
Further, a single mounting base plate 31 having a plurality of casters mounted thereon can be used as a mounting caster in the present invention.
　台盤１の裏面には、多数の補強リブ８が格子状に突設しており、四隅にキャスタ３０取付用のキャスタ取付部２が設けられている。
　キャスタ取付部２は、キャスタ３０の取付台板３１の上面と接して所定高さで取付台板３１を水平に支持するため高さを揃えたリブ３ａ、３ｂからなる支承部３と、該支承部３の一方の端部に台盤１の上面から垂設すると共に支承部３の内側に向かって突出する鉤状の台盤側掛止部４と、前記支承部３の基端側で台盤側掛止部４と対峙する個所に形成された嵌入孔部５と、該嵌入孔部５に接して上面から垂設される係止受片７とを有している。 A large number of reinforcing ribs 8 project in a grid pattern on the back surface of the base 1, and caster mounting portions 2 for mounting the casters 30 are provided at four corners.
The caster mounting portion 2 is in contact with the upper surface of the mounting base plate 31 of the caster 30 to support the mounting base plate 31 horizontally at a predetermined height. A hook-like base-side latching portion 4 that hangs from one surface of the base 3 from the upper surface of the base 1 and protrudes toward the inside of the base 3, and a base on the base side of the base 3 It has a fitting hole portion 5 formed at a location facing the board side latching portion 4 and a locking receiving piece 7 that is in contact with the fitting hole portion 5 and is suspended from the upper surface.
　支承部３は、前記補強リブ８の略半分の長さとなっており、該支承部３の一方の端部で台盤１の長手方向の外端寄りに台盤側掛止部４が形成されている
　図示例の場合、台盤側掛止部４は、台盤１の上面から垂下するリブの中途位置で支承部３側へ突出し、該突出した面で前記取付台板３１を下から支持し、先端が直角に折れ曲がって垂下する鉤状からなっている。 The support part 3 is substantially half the length of the reinforcing rib 8, and a base side latching part 4 is formed at one end of the support part 3 near the outer end in the longitudinal direction of the base 1. In the case of the illustrated example, the base side latching part 4 protrudes toward the support part 3 at a midway position of the rib that hangs down from the upper surface of the base 1, and supports the mounting base plate 31 from below by the protruding surface. However, the tip is bent at a right angle and has a hook shape that hangs down.
　従って、支承部３の下端と台盤側掛止部４の突出した面との間にはキャスタ３０の取付台板３１の厚み分の高さの差が設けられている。
　なお、上記台盤側掛止部４は台盤１に一体に固定されており弾性を有しないので、取付台板３１は先端を斜めに上向きにして前記台盤側掛止部４の突出した面の上に載置して掛止める（図７参照）。 Therefore, a height difference corresponding to the thickness of the mounting base plate 31 of the caster 30 is provided between the lower end of the support portion 3 and the protruding surface of the base side latching portion 4.
In addition, since the said base side latching | locking part 4 is being integrally fixed to the baseboard 1 and does not have elasticity, the mounting base plate 31 protruded the said base side latching part 4 by making the front-end | tip diagonally upward. Place and hang on the surface (see Figure 7).
　次に、嵌入孔部５は、図５に例示するように、支承部３の基端側略矩形の貫通孔からなっている。
　この嵌入孔部５は、支承部３の他方の端部で前記台盤側掛止部４と対峙する側に設けられている。
　即ち、支承部３は、図示例の場合、先端が取付台板３１の中途位置と衝合する複数の位置決め用リブ３ａと、取付台板３１の前記台盤側掛止部４と対向する他方の端部と衝合するガイド用リブ３ｂとからなっている。 Next, as shown in FIG. 5, the fitting hole portion 5 includes a substantially rectangular through hole on the base end side of the support portion 3.
The insertion hole portion 5 is provided on the other end portion of the support portion 3 on the side facing the base side latching portion 4.
That is, in the illustrated example, the support portion 3 includes a plurality of positioning ribs 3 a whose tips abut with the midway position of the mounting base plate 31 and the other of the mounting base plate 31 facing the base side latching portion 4. It comprises a guide rib 3b that abuts the end of the guide.
　上記ガイド用リブ３ｂは、嵌入孔部５の一方の壁部を兼ねている。
　嵌入孔部５は、支承部３に近い開口の縦辺と左右の横辺との三方の開口縁部に、後述の第１取付部材１０の第１台盤掛止片１１と第２取付部２０の第２台盤掛止片２１の縁部を掛止めると共に、嵌入時の上記第１台盤掛止片１１と第２台盤掛止片２１の上面が台盤１の上面を面一となるように上記掛止片１１、２１と同じ厚みに設定した段差部６ａ～６ｃを設けている（図５参照）。
　そして、前記ガイド用リブ３ｂは、台盤１の上面から前記縦辺の段差部６ａの先端から垂下して嵌入孔部５の縦辺の周壁を形成している。 The guide rib 3 b also serves as one wall portion of the insertion hole portion 5.
The insertion hole portion 5 has a first mounting member 11 and a second mounting portion of the first mounting member 10 to be described later at the opening edge portions on the three sides of the vertical side of the opening close to the support portion 3 and the left and right side sides. 20, and the upper surfaces of the first and second platform retaining pieces 11 and 21 are flush with the upper surface of the platform 1. Step portions 6a to 6c set to have the same thickness as the above-described hooking pieces 11 and 21 are provided (see FIG. 5).
The guide rib 3 b hangs from the top surface of the base plate 1 from the tip of the step portion 6 a on the vertical side to form a peripheral wall on the vertical side of the insertion hole portion 5.
　また、嵌入孔部５の前記段差部６ａと対向する支承部３と離間した開口の縦辺には、その中途位置に開口側の突出する突部９が形成されている。
　該突部９は、そのまま垂下して後述の第２取付部２０の係止爪部２３が係合する係止受片７となっている。 Further, on the vertical side of the opening that is spaced apart from the support portion 3 that faces the stepped portion 6a of the fitting hole portion 5, a protruding portion 9 that protrudes on the opening side is formed in the middle position.
The protrusion 9 is a locking receiving piece 7 which is suspended as it is and engaged with a locking claw 23 of a second mounting portion 20 which will be described later.
　次に、第１取付部材１０は、図３に示すように、第１台盤掛止片１１と、該第１台盤掛止片１１の一方（後方）の端部から垂下する第１脚片１２と、該第１脚片１２の下端に設けられた第１掛止片部１４とからなっている。
　第１台盤掛止片１１は、矩形プレートからなっており、第１脚片１２との連設部分を除いて、前記嵌入孔部５の段差部６ａに嵌合して掛止められる。 Next, as shown in FIG. 3, the first mounting member 10 includes a first base board retaining piece 11 and a first leg that hangs down from one (rear) end of the first base board retaining piece 11. It consists of a piece 12 and a first latch piece 14 provided at the lower end of the first leg piece 12.
The first base hooking piece 11 is made of a rectangular plate, and is hooked by being engaged with the stepped portion 6a of the fitting hole portion 5 except for a portion connected to the first leg piece 12.
　これにより、第１脚片１２は、前記ガイド用リブ３ｂの外側に沿って隙間無く重なり合い、ガイド用リブ３ｂを超えた個所で、第１掛止片部１４を支承部３側へ向かって突出させる。
　第１掛止片部１４は、第１脚片１２から直角に折れ曲がっており、その上面は前記台盤側掛止部４の突出した面と同一レベルに配置される。
　また、底面には横幅方向の両端に一対の補強突部１４ａが形成されている。 As a result, the first leg pieces 12 overlap with each other along the outside of the guide rib 3b without any gap, and project the first hooking piece portion 14 toward the support portion 3 at a location beyond the guide rib 3b. Let
The first hooking piece 14 is bent at a right angle from the first leg piece 12, and the upper surface thereof is arranged at the same level as the protruding surface of the platform side hooking part 4.
Also, a pair of reinforcing protrusions 14a are formed on the bottom surface at both ends in the width direction.
　従って、前記一端が台盤側掛止部４に掛け止められたキャスタ３０の取付台板３１の他端を水平にして、第１掛止片部１４の上に掛止めることができる（図８参照）。
　この状態では、第１取付部材１０は嵌入孔部５内で自由に動いてしまうので、第１取付部材１０が嵌入された嵌入孔部５の残りの隙間に第２取付部２０を嵌入する。 Therefore, the other end of the mounting base plate 31 of the caster 30 whose one end is latched to the base side latching portion 4 can be leveled and latched on the first latching piece portion 14 (FIG. 8). reference).
In this state, the first attachment member 10 freely moves in the insertion hole portion 5, so the second attachment portion 20 is inserted into the remaining gap of the insertion hole portion 5 in which the first attachment member 10 is inserted.
　第２取付部２０は、図４に示すように、第２台盤掛止片２１と、該第２台盤側掛止部４から垂下して三方を囲む周壁部２４と、該周壁部２４に囲まれた中間位置で垂下して弾性を有する第２脚片２２と、該第２脚片２２の下端で支承部３から離間する方向に突出する係止爪部２３とからなっている。 As shown in FIG. 4, the second mounting portion 20 includes a second base plate retaining piece 21, a peripheral wall portion 24 that hangs down from the second base side retaining portion 4 and surrounds three sides, and the peripheral wall portion 24. The second leg piece 22 hangs down at an intermediate position surrounded by the elastic portion and has elasticity, and a locking claw portion 23 that protrudes in a direction away from the support portion 3 at the lower end of the second leg piece 22.
　第２台盤掛止片２１は、前記第１台盤掛止片１１と整合する矩形プレートからなって、支承部３から離間する側の辺の中間位置に、支承部３側へ向かって窪む凹部２５を形成している。
　該凹部２５は、前記嵌入孔部５に形成された突部９に略隙間無く嵌合する窪みからなっている。 The second base latching piece 21 is formed of a rectangular plate that is aligned with the first baseboard latching piece 11, and is recessed toward the support part 3 at an intermediate position on the side that is separated from the support part 3. A recess 25 is formed.
The recess 25 is formed by a recess that fits into the protrusion 9 formed in the insertion hole 5 with substantially no gap.
　そして、該凹部２５の溝底面に沿って垂下する弾性を有する第２脚片２２が設けられており、その下端で前記突部９側へ突出する係止爪部２３が形成されている。
　該係止爪部２３は、前記突部９に沿って台盤１の上面から垂下する係止受片７の下端に係合しうるようになっている。 And the 2nd leg piece 22 which has the elasticity drooping along the groove bottom face of this recessed part 25 is provided, and the latching claw part 23 which protrudes in the said protrusion 9 side is formed in the lower end.
The locking claw portion 23 can be engaged with the lower end of the locking receiving piece 7 that hangs down from the upper surface of the base 1 along the protrusion 9.
　即ち、係止爪部２３は嵌入孔部５に嵌入する際に突部９の上面と衝合するが、下端が突出方向に向かって上向き漸次肉厚が薄くなりながら傾斜する傾斜面を有しているので、押し下げることで、第２脚片２２を支承部３側へ撓ませながら係止爪部２３を支承部３側へ変位させ、係止受片７の端面に沿って摺動しながら下降し、第２脚片２２の反発力で係止受片７の下端に係合することができる。 In other words, the locking claw 23 abuts the upper surface of the projection 9 when fitted into the fitting hole 5, but has a sloped surface whose bottom end is inclined while gradually becoming thinner upward in the protruding direction. Therefore, by pushing down, while the second leg piece 22 is bent toward the support portion 3 side, the locking claw portion 23 is displaced toward the support portion 3 side, and sliding along the end surface of the locking receiving piece 7 The lower leg 22 can be engaged with the lower end of the latch receiving piece 7 by the repulsive force of the second leg piece 22.
　上記第２脚片２２と離間した状態で三方を囲んで嵌入孔部５内に隙間無く嵌着するように周壁部２４が形成されている。
　周壁部２４は、第２台盤掛止片２１の一端（支承部３側）で左右の縁部に前記左右の段差部５ｂ、５ｃと係合しうる面を残して中途位置から垂下する背壁面２４ａを有している。
　該背壁面２４ａは、嵌入孔部５に第２取付部２０を押し込んだ際に、第１取付部材１０の第１掛止片部１４の背面と隙間無く接して、第１取付部材１０を嵌入孔部５内で拘束する。 A circumferential wall portion 24 is formed so as to surround the three leg portions in a state of being separated from the second leg piece 22 and to be fitted into the fitting hole portion 5 without a gap.
The peripheral wall portion 24 hangs down from a midway position while leaving a surface that can be engaged with the left and right step portions 5b and 5c at the left and right edges at one end (the support portion 3 side) of the second base plate retaining piece 21. It has a wall surface 24a.
When the second mounting portion 20 is pushed into the insertion hole 5, the back wall surface 24 a is in contact with the back surface of the first hooking piece portion 14 of the first mounting member 10 without any gap, and the first mounting member 10 is inserted. Restrain in the hole 5.
　前記背壁面２４ａを中央に有する周壁部２４は、背壁面２４ａから支承部３と離間する方向に向かって直角に折れ曲がって、嵌入孔部５の周壁を形成する一対のリブ（周壁）５ｅと略隙間無く接する一対の側壁面２４ｂ、２４ｃを有しており、第２脚片２２と隙間を設けながら三方を囲む周壁部２４を形成している。 The peripheral wall portion 24 having the back wall surface 24a in the center is bent at a right angle from the back wall surface 24a toward the direction away from the support portion 3, and is substantially the same as a pair of ribs (peripheral walls) 5e forming the peripheral wall of the fitting hole portion 5. It has a pair of side wall surfaces 24b and 24c in contact with each other without a gap, and forms a peripheral wall portion 24 that surrounds the three sides while providing a gap with the second leg piece 22.
　従って、第１取付部材１０の第１掛止片部１４で掛け止めたキャスタ３０の取付台板３１の他端は、第１取付部材１０を第２取付部２０による台盤１側の係止受片７に係止爪部２３を係合することで拘束することができる。
　また、第１台盤掛止片１１と第２台盤掛止片２１とは、嵌入孔部５の段差部５ａ～ｃに隙間無く掛け止められ、嵌入後の上面は台盤１の上面と同一面に設定される。
　更に、第１台盤掛止片１１と第２台盤掛止片２１とは、嵌入孔部５に嵌入した際に嵌入孔部５の開口を隙間なく塞ぐ分割形状に設定されているので、嵌入孔部５から抜け出ることがない。 Therefore, the other end of the mounting base plate 31 of the caster 30 latched by the first latching piece portion 14 of the first mounting member 10 is locked to the base 1 side by the second mounting portion 20. It can restrain by engaging the latching claw part 23 with the receiving piece 7.
Further, the first base plate retaining piece 11 and the second base plate retaining piece 21 are hooked on the stepped portions 5a to 5c of the insertion hole portion 5 without any gap, and the upper surface after the insertion is the upper surface of the base plate 1 Set to the same plane.
Furthermore, since the 1st base board latching piece 11 and the 2nd base board latching piece 21 are set in the division | segmentation shape which plugs up the opening of the insertion hole part 5 without gap when it inserts in the insertion hole part 5, It does not come out of the insertion hole 5.
　このように、取付に際しては、まず図７に示すようにキャスタ３０の取付台板３１の一端を台盤側掛止部４に掛止め、取付台板３１を水平にした状態で、図８に示すように、第１取付部材１０を嵌入孔部５に嵌入して、第１掛止片部１４で取付台板３１の他端を掛止め、次に、図９に示すように第２取付部２０を嵌入孔部５に挿入して係止爪部２３を係止受片７に係合することで、第２取付部２０を介して第１取付部材１０も嵌入孔部５内に拘束することができるので、ネジなどの固定金具を用いることなく、簡単な作業で確実とキャスタ３０を台盤１に取り付けることができる。 Thus, when mounting, first, as shown in FIG. 7, one end of the mounting base plate 31 of the caster 30 is hooked on the base side hooking portion 4, and the mounting base plate 31 is horizontal, as shown in FIG. As shown, the first mounting member 10 is inserted into the insertion hole 5, the other end of the mounting base plate 31 is latched by the first latching piece 14, and then the second mounting is performed as shown in FIG. The first mounting member 10 is also restrained in the insertion hole portion 5 via the second mounting portion 20 by inserting the portion 20 into the insertion hole portion 5 and engaging the locking claw portion 23 with the locking receiving piece 7. Therefore, the caster 30 can be securely attached to the base plate 1 with a simple operation without using a fixing bracket such as a screw.
　上記実施例では、台盤や第１取付部材、第２取付部は合成樹脂製の場合を例示したが、それらの素材は上記実施例に限定されない。
　前記第２取付部２０では第２脚片２２が弾性ないし可撓性を有する構造とし、係止受片７を台盤に固定された部材としたが、逆に、第２脚片２２が弾性および可撓性を有しないものとし、係止受片７が弾性ないし可撓性を有するものとしてもよい。
　その場合、係止爪部２３は、係止受片７を撓ませながら下降し、係止受片７の下端を通過すると、係止受片７が弾性力で元の位置に戻り、係止受片７と係合させることができる。 In the said Example, although the base, the 1st attachment member, and the 2nd attachment part illustrated the case made from a synthetic resin, those raw materials are not limited to the said Example.
In the second mounting portion 20, the second leg piece 22 has a structure having elasticity or flexibility, and the locking receiving piece 7 is a member fixed to the base plate. Conversely, the second leg piece 22 is elastic. It is also possible that the latch receiving piece 7 has elasticity or flexibility.
In that case, the locking claw 23 descends while bending the locking receiving piece 7 and passes through the lower end of the locking receiving piece 7, so that the locking receiving piece 7 returns to its original position by elastic force, It can be engaged with the receiving piece 7.
　また、上記実施例では、第１取付部材１０と第２取付部材２０を嵌入孔部５に嵌合すると、嵌入孔部５の上部開口は隙間なく塞がれると共に、嵌入した第１取付部材１０と第２取付部材２０の上面は台盤１の上面と同一面となるように設定されているが、この発明では、第１取付部材１０と第２取付部材２０の上面は台盤１の上面より窪んだり突出したりしてもよい。
　また、嵌入孔部５の上部開口は一部に隙間や溝、穴などが残り、完全に塞がれなくてもよい。 Moreover, in the said Example, when the 1st attachment member 10 and the 2nd attachment member 20 are fitted to the insertion hole part 5, while the upper opening of the insertion hole part 5 will be plugged up without gap, the inserted 1st attachment member 10 will be filled. In the present invention, the upper surfaces of the first mounting member 10 and the second mounting member 20 are the upper surfaces of the base plate 1. It may be more depressed or protrude.
Moreover, a gap, a groove, a hole or the like remains in a part of the upper opening of the insertion hole portion 5 and may not be completely closed.
　また、上記実施例では、キャスタの被取付体として台車の台盤（荷台）を例に説明したが、この発明では、キャスタを取り付ける台盤を備えた被取付体であればよく、被取付体の構造や用途は特に限定されない。
　その他、要するにこの発明の要旨を変更しない範囲で種々設計変更しうること勿論である。 Moreover, in the said Example, although the base (loading platform) of the trolley | bogie was demonstrated to the example as a to-be-attached body of a caster, in this invention, what is necessary is just an attached body provided with the base to which a caster is attached, There are no particular restrictions on the structure or use of the.
In addition, it goes without saying that various design changes can be made without departing from the scope of the present invention.
　１ 　台盤　　　　　　　 
　２　 キャスタ取付部　　 
　３　 支承部　　　　　　 
　３ａ 位置決め用リブ
　３ｂ ガイド用リブ
　４　 台盤側掛止部　　　 
　５　 嵌入孔部　　　　　 
　５ａ～ｃ　段差部
　５ｅ　リブ（周壁）　　　　　 
　６　　段部　　　　　　　 
　７　　係止受片　　　　　 
　８　　補強リブ
　９　　突部　　　　　　　　　　　　
１０　　第１取付部材　　　 
１１　　第１台盤掛止片　　 
１２　　第１脚片　　　　　 
１３　　背面　　　　　　　 
１４　　第１掛止片部　　　 
２０　　第２取付部　　　　 
２１　　第２台盤掛止片　　 
２４　　周壁部　　　　　　 
２２　　第２脚片　　　　　 
２３　　係止爪部　　　　　 
２４　　周壁部　　　　　　 
２５　　凹部
３０　　キャスタ　　　　　 
３１　　取付台板
３２　　軸受部
３３　　支持ヨーク 1 base
2 Caster mounting part
3 Support Department
3a Positioning rib 3b Guide rib 4 Stand side latch
5 Insertion hole
5a-c Stepped part 5e Rib (peripheral wall)
6 steps
7 Locking piece
8 Reinforcing ribs 9 Projections
10 First mounting member
11 First base hanging piece
12 First leg piece
13 Back
14 First hook piece
20 Second mounting part
21 Second base hanging piece
24 Perimeter wall
22 Second leg piece
23 Locking claw
24 Perimeter wall
25 Recess 30 Casters
31 Mounting base plate 32 Bearing portion 33 Support yoke

Claims (6)

  1. 　被取付体の台盤に設けられたキャスタ取付部にキャスタの取付台板の上面を所定姿勢に支承する支承部と、前記取付台板の一端側を下方から掛止める台盤側掛止部が形成されると共に、前記取付台板の他端側の近傍には台盤上面に開口した嵌入孔部が形成されており、該嵌入孔部に第１取付部材と第２取付部材を挿入して前記取付台板の他端側を下方から掛止めて取付台板を固定してなるキャスタの取付構造において、
    　第１取付部材が、嵌入孔部の口縁部に掛止められる第１台盤掛止片と、該第１台盤掛止片から下方に延びる第１脚片と、該該１脚片に設けられて前記キャスタの取付台板の他端を下方から掛止める第１掛止片部とからなっており、
    　第２取付部が、嵌入孔部の口縁部に掛止められる第２台盤掛止片と、前記嵌入孔部に第１取付部を嵌入した際に残りの空間に嵌合すると共に前記第１取付部の第１脚片の背面と接する周壁部と、前記第２台盤掛止片から下方に延び前記周壁部と離間した位置に設けられた第２脚片と、該第２脚片の下端に形成された係止爪部とからなっており、
    　前記台盤に嵌入孔部の口縁部に沿って下方へ延びる係止受片を突設しておき、
    　前記第２取付部材の嵌入時に係止爪部が係止受片の先端に係止してなることを特徴とするキャスタの取付構造。     A caster mounting portion provided on the base plate of the mounted body has a support portion for supporting the upper surface of the caster mounting base plate in a predetermined posture, and a base side latching portion for hooking one end side of the mounting base plate from below. In the vicinity of the other end side of the mounting base plate, an insertion hole portion opened on the upper surface of the base plate is formed, and the first mounting member and the second mounting member are inserted into the insertion hole portion. In the caster mounting structure in which the other end side of the mounting base plate is hooked from below and the mounting base plate is fixed,
    A first mounting member is hooked on the edge of the fitting hole, a first base hook piece, a first leg piece extending downward from the first base hook piece, and the one leg piece A first hooking piece for hooking the other end of the caster mounting base plate from below;
    The second mounting portion is engaged with the second base plate retaining piece that is hooked to the edge portion of the insertion hole portion, and when the first mounting portion is inserted into the insertion hole portion, the second mounting portion is fitted in the remaining space and the second mounting portion. A peripheral wall portion in contact with the back surface of the first leg piece of the one attachment portion; a second leg piece extending downward from the second base plate retaining piece; and provided at a position spaced apart from the peripheral wall portion; and the second leg piece It consists of a locking claw part formed at the lower end of
    A locking receiving piece extending downward along the mouth edge of the insertion hole is provided on the base plate,
    A caster mounting structure, wherein a locking claw is locked to a tip of a locking receiving piece when the second mounting member is fitted.
  2. 　第１取付部材が、嵌入孔部の口縁部に形成された段部に掛止められる第１台盤掛止片と、該第１台盤掛止片から下方に延びる第１脚片と、該該１脚片から折れ曲がって取付台板の他端側に延び、取付台板の他端を下方から掛止める第１掛止片部とからなっており、
    　第２取付部が、嵌入孔部の口縁部に形成された台盤上面の段部に掛止められる第２台盤掛止片と、前記嵌入孔部に第１取付部を嵌入した際に残りの空間に隙間なく嵌合すると共に前記第１取付部の第１脚片の背面と当接して三方を囲む周壁部と、前記第２台盤掛止片から下方に延び前記周壁部と離間した位置に設けられた弾性を有する第２脚片と、該第２脚片の下端で前記嵌入孔部より外方へ突出する係止爪部とからなっており、
    　前記台盤に嵌入孔部の口縁部に沿って下方へ延びる係止受片を突設しておき、
    　前記第２取付部材の嵌入時に係止爪部が第２脚片を撓ませながら係止受片を通過し、係止爪部を第２脚片の弾性力で係止受片の先端に係止してなることを特徴とする請求項１に記載のキャスタの取付構造。     A first mounting member that is hooked to a step portion formed at a lip portion of the insertion hole, and a first leg piece that extends downward from the first mounting plate; It is bent from the one leg piece and extends to the other end side of the mounting base plate, and includes a first hooking piece portion for hooking the other end of the mounting base plate from below.
    When the second mounting portion is inserted into the stepped portion on the top surface of the base plate formed on the edge portion of the insertion hole portion, and when the first mounting portion is inserted into the insertion hole portion. A peripheral wall portion that fits in the remaining space without any gap and abuts the back surface of the first leg piece of the first mounting portion and surrounds three sides, and extends downward from the second base plate retaining piece, and is separated from the peripheral wall portion. A second leg piece having elasticity provided at the position, and a locking claw part projecting outward from the insertion hole at the lower end of the second leg piece,
    A locking receiving piece extending downward along the mouth edge of the insertion hole is provided on the base plate,
    When the second mounting member is inserted, the locking claw portion passes through the locking receiving piece while bending the second leg piece, and the locking claw portion is engaged with the distal end of the locking receiving piece by the elastic force of the second leg piece. The caster mounting structure according to claim 1, wherein the caster mounting structure is stopped.
  3. 　周壁部が、第２台盤側掛止部から垂下して三方を囲んでおり、該周壁部に囲まれた中間位置で第２脚片が垂下していることを特徴とする請求項２に記載のキャスタの取付構造。 The peripheral wall portion hangs down from the second base side latching portion and surrounds three sides, and the second leg piece hangs down at an intermediate position surrounded by the peripheral wall portion. The caster mounting structure described.
  4. 　嵌入孔部の外端の縁部に嵌入孔部の内方へ突出する突部が形成されており、
    　第２取付部材の第２台盤掛止片には、上記突部に対応する凹部が形成されており、
    　前記突部には下方に延びる係止受片の基端が一体に形成されており、
    　前記凹部には凹部の底辺から下方に延びる第２脚片が一体に形成されてなることを特徴とする請求項１から３のいずれかに記載のキャスタの取付構造。     A protrusion projecting inward of the insertion hole is formed at the edge of the outer end of the insertion hole,
    A recess corresponding to the protrusion is formed in the second base plate retaining piece of the second mounting member,
    The protrusion is integrally formed with a base end of a locking receiving piece extending downward,
    The caster attachment structure according to any one of claims 1 to 3, wherein a second leg piece extending downward from the bottom of the recess is formed integrally with the recess.
  5. 　第１台盤掛止片と第２台盤掛止片の上面は、第１取付部材と第２取付部材を嵌入孔部に嵌合すると、嵌入孔部５の上部開口を隙間なく塞ぐ形状となると共に、台盤の上面と同一面となるように設定されていることを特徴とする請求項１から４のいずれかに記載のキャスタの取付構造。 The upper surfaces of the first base plate retaining piece and the second base plate retaining piece have a shape that closes the upper opening of the fitting hole portion 5 without gap when the first attachment member and the second attachment member are fitted into the fitting hole portion. The caster mounting structure according to claim 1, wherein the caster mounting structure is set so as to be flush with the upper surface of the base plate.
  6. 　請求項１から５のいずれかに記載のキャスタ取付構造を有することを特徴とする台車。 A cart having the caster mounting structure according to any one of claims 1 to 5.
PCT/JP2014/062759 2014-05-13 2014-05-13 Attachment structure for caster, and platform WO2015173898A1 (en)

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US10232667B2 (en) * 2015-02-12 2019-03-19 Nansin Co., Ltd. Mounting structure for caster
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JP2010006202A (en) * 2008-06-26 2010-01-14 Sanko Co Ltd Cart
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JP2011102104A (en) * 2009-11-12 2011-05-26 Neo Star:Kk Carrier
JP2011121457A (en) * 2009-12-10 2011-06-23 Sanko Co Ltd Cart

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JPS62114865U (en) * 1986-01-14 1987-07-21
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JP2010006202A (en) * 2008-06-26 2010-01-14 Sanko Co Ltd Cart
JP2010264851A (en) * 2009-05-14 2010-11-25 Sanko Co Ltd Truck
JP2011102104A (en) * 2009-11-12 2011-05-26 Neo Star:Kk Carrier
JP2011121457A (en) * 2009-12-10 2011-06-23 Sanko Co Ltd Cart

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