CN1602780A - Walking device - Google Patents

Walking device Download PDF

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Publication number
CN1602780A
CN1602780A CNA2004100851236A CN200410085123A CN1602780A CN 1602780 A CN1602780 A CN 1602780A CN A2004100851236 A CNA2004100851236 A CN A2004100851236A CN 200410085123 A CN200410085123 A CN 200410085123A CN 1602780 A CN1602780 A CN 1602780A
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CN
China
Prior art keywords
mentioned
auxiliary frame
side auxiliary
upper frame
gear
Prior art date
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Pending
Application number
CNA2004100851236A
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Chinese (zh)
Inventor
关贵与
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Showa Products Co
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Showa Products Co
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Filing date
Publication date
Application filed by Showa Products Co filed Critical Showa Products Co
Publication of CN1602780A publication Critical patent/CN1602780A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47DFURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D13/00Other nursery furniture
    • A47D13/04Apparatus for helping babies to walk; Baby walkers or strollers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47DFURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D15/00Accessories for children's furniture, e.g. safety belts or baby-bottle holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H19/00Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pediatric Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Rehabilitation Tools (AREA)

Abstract

Provided is a walker which enables height control and folding and can be scaled down in the contour of an upper frame, and which is excellent in an accommodating nature. The walker 1 has a ring-like lower frame member 3 supported by a wheel 2, an upper frame member 4 in which an opening 42 for accepting a little child is formed, a main frame 51; an upper side auxiliary frame 53; a lower side auxiliary frame 55; an interlocking member 52 which connects one end side of the upper side auxiliary frame 53 and one end side of the lower side auxiliary frame 55 and interlocks these, and a fixing organization 6 which can fix angle modification of the upper side auxiliary frame 53 or angle modification of the lower side auxiliary frame 55. In order to give an independence function, an independence auxiliary member 9 is formed in the back end section of the lower frame member 3.

Description

Walker
Technical field
The present invention relates to the walker that the child uses.
Background technology
In child's developmental process,, in the past, adopt walker for the exercise of carrying out walking etc.In such walker, corresponding to the process of child's growth, people wish to carry out height and regulate.
Fig. 6 represents an example of walker in the past.Walker 100 shown in Figure 6 has following structures, wherein, the chassis component 112 of ring-type is connected by X-shaped support 115 with upper frame parts 114, this chassis component 112 is supported on the rotatable wheel 111, these upper frame parts 114 are received in the inboard of chassis component 112, be provided with the peristome that receives the child, be provided with the seat portion 113 that the child sits.Change the intersecting angle of the support of the intersection in this X-shaped support 115, change the position at this, by sliding locking mechanism 116, intersecting angle is fixed, thus, the height in the time of can using is regulated.When folding, if remove sliding locking mechanism 116, then upper frame parts 114 are from the use location, and because of deadweight descends, upper frame parts 114 may be folded in the inside of chassis component 112.
But in X-shaped support 115, the cross one another position of support is positioned at the center of support, supports the distance of the top edge fore-and-aft direction of upper frame parts 114, equates substantially with distance between the bottom edge of fore-and-aft direction by chassis component 112 supports.Thus, two top edges of the folding front and back of the X-shaped support 115 the when length of the fore-and-aft direction of upper frame parts 114 must rotatably keep X-shaped support 115 to fold like this, must be the profile near chassis component 112.Thus, adopt the walker 100 of X-shaped support 115 to have following problem, that is, the appearance and size of the fore-and-aft direction of upper frame parts 114 increases and more than necessary degree, the free degree in the design is restricted.
In addition, if upper frame parts 114 become big, then has following problem, that is, the difference of the size of upper frame parts 114 and chassis component 112 diminishes, when folding, upper frame parts 114 can not fully be received in the chassis component 112, and the volume when folding increases, and admissibility is not so well.In addition, when folding, owing to upper frame parts 114 drop on the chassis component 112, so necessarily require to prevent with the special structure of banjo splint between it to have the danger that cost increases like this.
The present invention be directed to above-mentioned situation and propose, the object of the present invention is to provide a kind of walker, this walker can carry out height to be regulated and folds, and can reduce the appearance and size of upper frame parts, and admissibility is good.
To achieve these goals, described walker comprises the chassis component of ring-type, and this chassis component is supported on the wheel; The upper frame parts should be provided with the peristome that receives the child in the upper frame parts; Main support, the both ends of this main support rotatably are connected in respectively on above-mentioned chassis component and the upper frame parts; The top side auxiliary frame, a distolateral top that rotatably is connected in above-mentioned main support of this top side auxiliary frame, another distolateral slidably being connected on the above-mentioned upper frame parts; The bottom side auxiliary frame, a distolateral bottom that rotatably is connected in above-mentioned main support of this bottom side auxiliary frame, another distolateral slidably being connected on the above-mentioned chassis component; Linkage part, this linkage part make the intersecting angle of the relative main support of above-mentioned top side auxiliary frame change accordingly mutually with the intersecting angle of the relative main support of bottom side auxiliary frame distolateral a connection of a distolateral and above-mentioned bottom side auxiliary frame of above-mentioned top side auxiliary frame; Fixed mechanism, this fixed mechanism can be fixed the intersecting angle of above-mentioned top side auxiliary frame, or the intersecting angle of bottom side auxiliary frame.
In this walker, main support and top side auxiliary frame and upper frame parts constitute leg-of-mutton connecting rod, thus, support the upper frame parts, main support and bottom side auxiliary frame and chassis component constitute leg-of-mutton connecting rod, thus, main support supports by chassis component by the bottom side auxiliary frame.
The height of walker is regulated by changing the sliding position of the relative upper frame parts of top side auxiliary frame, change the intersecting angle of the relative main support of top side auxiliary frame, pass through linkage part, this intersecting angle is followed the intersecting angle of the relative main support of bottom side auxiliary frame and is changed, the change of the angle of the intersection of this interlock changes the sliding position of the relative chassis component of bottom side auxiliary frame, like this, changes the angle of inclination of main support, thus, can carry out height regulates.When folding, work in the same way.In addition, by fixed mechanism, the fixing intersecting angle of the relative main support of top side auxiliary frame, the intersecting angle of the relative main support of bottom side auxiliary frame thus, can keep the height of upper frame parts.
Because the installation site of top side auxiliary frame and the relative main support of bottom side auxiliary frame is respectively from the center of main support, end side near main support, the installation site of the relative upper frame parts of main support, the distance between the installation site of relative upper frame parts with the bottom side auxiliary frame are shorter than the distance between the top edge of X-shaped support greatly.Thus, compare, can reduce the appearance and size of upper frame parts with the occasion of X-shaped support.Thus, the admissibility of walker of the present invention is better than the occasion of X-shaped support.
The described walker of second aspect present invention, wherein, above-mentioned linkage part is by first gear, second gear and the 3rd gear constitute, this second gear by with one of above-mentioned top side auxiliary frame distolateral pivot same axis, be fixed on the auxiliary frame of above-mentioned top side, the 3rd gear is by the axle identical with one of above-mentioned bottom side auxiliary frame distolateral pivot, be fixed on the auxiliary frame of above-mentioned bottom side, this first gear links above-mentioned second gear and the 3rd gear mutually.
In this walker, if change the intersecting angle of the relative main support of top side auxiliary frame, second gear that then is fixed on the auxiliary frame of top side is rotatable, can pass through first gear, makes the 3rd gear along equidirectional, according to identical rotation amount rotation.Thus, corresponding to the intersecting angle of top side auxiliary frame, the intersecting angle of bottom side auxiliary frame correspondingly changes by linkage part, can carry out height and regulate.
In the walker of the present invention, above-mentioned linkage part is arranged at the inside of the above-mentioned main support of hollow.
Because the linkage part with gear etc. is arranged at the inside of main support, so the security raising.
In the walker of the present invention, said fixing mechanism comprises rack member, and this rack member is provided with a plurality of teeth, and this rack member is arranged at the bottom surface of above-mentioned upper frame parts; It is distolateral that tine, this tine rotatably are installed on another of above-mentioned top side auxiliary frame, and slidably be installed on the bottom surface of above-mentioned upper frame parts, has the pawl with above-mentioned tooth engagement.
Can select the tooth that is fit in a plurality of teeth of rack member,, at random select the intersecting angle of the relative main support of top side auxiliary frame, be fixed, thus, can regulate the height of upper frame parts, keep it highly its pawl engagement with tine.
In the walker of the present invention, be provided with functional unit, this functional unit can press down the pawl of above-mentioned tine downwards forcibly, removes the engagement with above-mentioned tooth.
Because this walker has such functional unit, can remove the engagement of tooth and pawl simply, highly the operability of Tiao Jieing is good.
Walker of the present invention wherein, at the peripheral part of above-mentioned upper frame parts, is provided with the self-support accessory, and the outer peripheral edges acting in conjunction of this self-support accessory and above-mentioned chassis component provides the self-support function.
In walker of the present invention, if reduce the height of upper frame parts, then the link position with the relative chassis component of main support is the center, and the upper frame parts little by little move along fore-and-aft direction, in the upper frame parts along the ora terminalis of fore-and-aft direction near the ora terminalis in the chassis component along fore-and-aft direction.Thus, at the state that the upper frame parts is folded on the chassis component, peripheral part at the upper frame parts, the outer peripheral edges of setting and chassis component at the self-support accessory with one side, erect at folded state, in this occasion substantially, ground relatively, the self-support accessory is cooperated mutually with the ora terminalis of chassis component, realizes supporting oneself, and can be convenient to admit.
The invention effect
Walker of the present invention can carry out height to be regulated and folds, and can reduce the appearance and size of upper frame parts, in addition, and the self-support function that can provide convenience and admit.
Description of drawings:
Fig. 1 represents the outward appearance of an embodiment of walker of the present invention, and it is illustrated in the extreme higher position, the state that setting height is regulated, and Fig. 1 (a) is a top view, Fig. 1 (b) is a bottom view;
Fig. 2 is the top view of the basic structure of the bracket component of an embodiment of expression walker of the present invention;
Fig. 3 is the side view of the surface structure of the bracket component of an embodiment of expression walker of the present invention;
Fig. 4 (a) is the side view of the surface structure during the height of the walker of presentation graphs 1~shown in Figure 3 is regulated;
Fig. 4 (b) is in the side view of the surface structure of folded state for presentation graphs 1~walker shown in Figure 3;
Fig. 5 (a) is the perspective view that walker of the present invention is in the rearward end of folded state, and Fig. 5 (b) for down, stands on the perspective view of ground state with rear end side for being illustrated in the folding state of walker;
Fig. 6 is the perspective view of an example of the walker of expression X type support in the past.
The explanation of label:
Label 1 expression walker;
Label 2 expression wheels;
Label 3 expression chassis components;
Label 31 expression sliding eyes;
Label 4 expression upper frame parts;
Label 42 expression peristomes;
Label 5 expression bracket components;
Label 51 expression main supports;
Label 52 expression linkage parts;
Label 521 expressions the 1st gear;
Label 523 expressions the 2nd gear;
Label 524 expressions the 3rd gear;
Label 53 expression top side auxiliary frames;
Label 54 expression linking arms;
Label 55 expression bottom side auxiliary frames;
Label 551 expression axostylus axostyles;
Label 6 expression fixed mechanisms;
Label 61 expression rack member;
Label 611 expression teeth;
Label 62 expression tines;
Label 623 expression pawls;
Label 624 expression plate spring component;
Label 625 expression round bars;
Label 626 expression locking ribs;
Label 63 expression functional units;
Label 631 expression handles;
Label 636 expression handle holes;
Label 64 expression Lock Parts;
Label 641 expression control levers;
Label 642 expression lockplates;
Label 7 expression seat portions;
Label 9 expression self-support accessories.
The preferred implementing form of invention
With reference to the accompanying drawings, the embodiment of walker of the present invention is described, still, the present invention is not limited to following embodiment.
Fig. 1 represents the outward appearance of the embodiment of walker of the present invention, and it is illustrated in the extreme higher position, the state that setting height is regulated, and Fig. 1 (a) is a top view, Fig. 1 (b) is a bottom view.In addition, Fig. 2 represents the top view of surface structure of bracket component of an embodiment of walker of the present invention, and Fig. 3 is the side view of the surface structure of the bracket component of an embodiment of this walker of expression.Fig. 4 (a) is the side view of the surface structure during the height of the walker of presentation graphs 1~shown in Figure 3 is regulated, Fig. 4 (b) presentation graphs 1~walker shown in Figure 3 is in the side view of the surface structure of folded state, Fig. 5 (a) is the perspective view at rear portion of an embodiment of walker of the present invention, and Fig. 5 (b) is in the perspective view of self-support state for an embodiment of expression walker of the present invention.In this manual, the left side of Fig. 1~Fig. 4 is a front side, and the right side is a rear side, and the direction perpendicular with fore-and-aft direction is left and right directions.
The not shown center line that this walker 1 is with the fore-and-aft direction at the center by left and right directions is the basic left-right symmetry shape at center.Thus, having label only marks in the situation of a side.Walker 1 comprises the chassis component 3 of ring-type, and this chassis component 3 supports by a plurality of wheels (castor) 2; Upper frame parts 4, these upper frame parts 4 are received in the chassis component 3, offer the peristome that receives the child; Bracket component 5, this bracket component 5 is connected this chassis component 3 with upper frame parts 4, support upper frame parts 4, and can regulate the height of upper frame parts 4; (with reference to Fig. 2, Fig. 3), these fixed mechanism 6 fixed support parts 5 keep adjusted height to fixed mechanism 6.
This chassis component 3 is formed from a resin, and whole profile is can admit upper frame parts 4 in the inboard, the ring-type of the rectangle of band arc sections, the end face of the part of frame be shaped as the herringbone that has arc sections.In the bottom surface of above-mentioned chassis component 3, a plurality of wheels 2 are installed.Wheel 2 is the center with the rotating shaft of vertical direction, the relative axletree of the horizontal direction that departs from rotating shaft, and the resin car is rotatable, can realize rolling.This chassis component 3 is supported on the wheel 2, and thus, chassis component 3 can move along free direction on the ground.In chassis component 3, the inboard of the corresponding basic pars intermedia of the support body parts that extend along fore-and-aft direction offers the sliding eye 31 that extends along the fore-and-aft direction that passes its wall.
Upper frame parts 4 are made by synthetic resin, and it is the bight is circular-arc rectangular plate shape, and forwardly side is formed with platform 41, in rear portion side, are provided with the peristome 42 that receives the infant, at this peristome 42, the seat portion 7 that the child takes are installed.This seat portion 7 comprises back-rest 71, and with diaper shape parts 72, these diaper shape parts 72 have the hole that the pin that makes the infant who hangs down from peristome 42 stretches out.On fore 41, removably mode is installed the toys board 8 of the various toys that are assembled with child's object for appreciation.
Bracket component 5 comprises a pair of main support 51.This main support 51 is the rectangular plate shape of hollow, and distolateral being received in separately in the notch part of offering about chassis component 3 is being connected with the rotating shaft 511 of the wall of the notch part that is fixed in chassis component 3 along the mode of the direction rotation parallel with fore-and-aft direction.This is distolateral respectively according to can be along the mode of the direction rotation parallel with fore-and-aft direction to another of main support 51, is connected with the rotating shaft 512 of outside about the rearward end that is fixed in upper frame parts 4.
At the hollow bulb of main support 51,, be provided with place in the middle of rotating shaft 511,512 basic at two ends that the 1st gear 521, the 1 gears 521 are positioned at main support 51 according to the mode that can on rotating shaft 522, rotate as shown in Figure 3.Both sides at the 1st gear 521, with the 2nd gear 523 of the 1st gear 521 engagement top at the 1st gear 521, with the 3rd gear 524 of 1 gear 521 engagement in the bottom of the 1st gear 521, be arranged at the inside of main support 51 respectively for the center with rotating shaft 525,526.The 2nd gear 523 is identical gear with the 3rd gear 524.
It is elongated shaft-like that a pair of top side auxiliary frame 53 that constitutes bracket component 5 is, and its length is slightly smaller than half of main support 51.Top side auxiliary frame 53 one distolateral as shown in Figure 2, according to being integral fixing mode and passing the main support 51 of hollow, rotating shaft 525 connections of Tu Chu the 2nd gear 523 to the inside.In addition, rotating shaft 525 is integral with the 2nd gear 523 and is connected.Consequently, top side auxiliary frame 53 one distolateral can be connected in the top of main support 51 by the mode of rotating shaft 525 rotation, the rotation of top side auxiliary frame 53 can make the 2nd gear 523 rotations that are directly connected on the top side auxiliary frame 53.Another of a pair of top side auxiliary frame 53 is distolateral mutually by linking arm 54, is connected in the bottom surface of upper frame parts 4.
On the other hand, it is elongated shaft-like that a pair of bottom side auxiliary frame 55 that constitutes bracket component 5 is, and its length is slightly smaller than half of main support 51.This bottom side auxiliary frame 55 one distolateral as shown in Figure 2 according to being integral fixing mode and passing the main support 51 of hollow, connects to the rotating shaft 526 of the 3rd outstanding gear 524 of foreign side, and in addition, rotating shaft 526 is integral with the 3rd gear 524 and is connected.Consequently, bottom side auxiliary frame 55 one distolateral can be connected in the bottom of main support 51 by the mode of rotating shaft 526 rotation, the rotation of bottom side auxiliary frame 55 can make the 3rd gear 524 rotations that are directly connected on the top side auxiliary frame 53.
The sliding eye 31 of the distolateral inboard with chassis component 3 of another of a pair of bottom side auxiliary frame 55 is faced, and supports the distolateral of axostylus axostyle 551 respectively.This axostylus axostyle 551 passes sliding eye 31, and is distolateral at another of this axostylus axostyle 551, is fixed with its diameter greater than 552 of the anti-extraction usefulness of the width of sliding eye 31.Thus, pass 552 a clamping sliding eye 31 of a distolateral bottom side auxiliary frame 55 and another distolateral anti-extraction usefulness of axostylus axostyle 551 of the axostylus axostyle 551 of sliding eye 31, axostylus axostyle 551 slides in this sliding eye 31 under the situation of not throwing off with sliding eye 31.So the distolateral mode that can slide of another of bottom side auxiliary frame 55 is connected with the sliding eye 31 of chassis component 3.
Fixed mechanism 6 is mainly by rack member 61, tine 62, and functional unit 63 and Lock Part 64 constitute.This rack member 61 represents that by the thinner dotted line among Fig. 2 it is tabular that it is a pair of rectangle plane, dividing right and left of the pars intermedia of left and right directions, along fore-and-aft direction, is installed on the bottom surface of upper frame parts 4.In above-mentioned rack member 61, respectively according to along fore-and-aft direction, the both ends of mode left and right directions that produce the gap between the bottom surface of pars intermedia and upper frame parts 4 are to the top side bending, and corresponding both ends are installed on the end face of upper frame parts 4.On corresponding rack member 61, be provided with the tooth row that a plurality of teeth 611 are arranged side by side along fore-and-aft direction, these a plurality of teeth 611 comprise vertical wall and with top from this upright arm, extend to the inclined wall of rear portion side.In the foreign side slightly of the left and right directions of rack member 61, along fore-and-aft direction, thinner sliding eye 612 is provided with according to the mode of passing rack member 61.
Tine 62 is along the long tabular of left and right directions, its according to circle tube 621 all-in-one-piece modes, the center that is the left and right directions of relative upper frame parts 4, be in symmetrical shape setting, this circle tube 621 covers linking arm 54 according to rotatable mode, and this linking arm 54 connects another of top side auxiliary frame 53 between distolateral.The front side bending of tine 62, along ora terminalis, the rib 622 of housing shape is outstanding downwards.Correspondence position on the sliding eye 612 of the rack member 61 of the both sides of the left and right directions of tine 62, tabular slip is connected on the not shown accessory plate in the gap between the bottom surface of inserting this bolt 651 and upper frame parts 4 with parts 65 by bolt 651, this slides crooked with the inboard of the left and right directions of parts 65 downwards, between the bottom surface of itself and tine 62, in inboard along fore-and-aft direction, produce the gap, this bolt 651 passes tine 62, by sliding eye 612.Because this slides fixing by bolt 651 with parts 65 and tine 62, tine 62 and accessory plate from about, clamping rack member 61 interfixes by bolt 612, so tine 62 can pass through sliding eye 612, slides along fore-and-aft direction in the bottom surface of rack member 61.Because tine 62 forms one with circle tube 612, so linking arm 54, that is, another of top side auxiliary frame 53 be distolateral can be justified tube 621 relatively and rotate, with tine 62, in the slip of the bottom surface of upper frame parts 4.
In tine 62, front end constitutes vertical wall, with the pawl 623 of tooth 611 engagement of rack member 61 row along the tooth 612 of rack member 61, be integral on the front end that is arranged at the plate spring component 624 of extending along fore-and-aft direction, the rear end of this plate spring component 624 with justify tube 621 and be integral and be connected.This plate spring component 624 is setovered pawl 623 according to the mode of pawl 623 and tooth 111 engagements at ordinary times to the top side.In addition, this plate spring component 624 supports the metal round bar 625 that extends along left and right directions.
Functional unit 63 is represented in the mode of spot in Fig. 2.It is that according to the size in the bottom surface that is received in tine 62, the end face openend contacts with the bottom surface of tine 62 along the parts of left and right directions than the case shape of long rectangle.At the leading section of functional unit 63, be provided with the recess that can insert finger tip, thus, constitute handle 631.Thus, two ora terminalis of the left and right directions of functional unit 63 are tabular, and these two tabular ora terminalis insertion slide unit, 65 bendings between tine 62, between the space of fore-and-aft direction.Thus, the two ends, the left and right sides of functional unit 63 are by sliding with parts 65 guiding, and this functional unit 63 slidably is installed on the bottom surface of tine 62.Functional unit 63 can be in the position of the part collision of the round tube 621 of rear end and tine 62, slides along fore-and-aft direction with the scope that the outer shelly rib 622 of the front end of handle portion 631 and the front-end edge of tine 62 collides.In the both sides of the left and right directions of functional unit 63, be provided with highlightedly respectively with a pair of operation rib 634,635 along a pair of operation rib 632,633 that fore-and-aft direction extends abreast according to the mode of the both end sides of the round bar 625 of support claw parts 62.In these operation ribs 632,633,634,635, offer the handle hole 636 with right angle trigonometry shape of following the wall that retreats towards moving of below respectively, by this handle hole 636, two ora terminalis of the round bar 625 of tine 62 are to operation rib 632,633,634,635 foreign side is outstanding.When tooth 611 engagements of the pawl 623 of tine 62 and rack member 61, functional unit 63 retreats, and as shown in Figure 3, from the top ends of handle hole 636, two ora terminalis of the round bar 625 of tine 62 are given prominence to.If from this state, functional unit 63 is forwards slided, then follow the wall that retreats to moving of the below of handle hole 636 to advance, apply the power that the two ends with round bar 625 press down to the bottom side, forcibly this round bar 625 is pressed down downwards.Thus, support the front bending downwards of the plate spring component 624 of round bar 625, mobile downwards with the pawl 623 of tooth 611 engagements, thus, remove the engagement between tooth 611 and the pawl 623.If the sliding position of selected tine 62 retreats functional unit 63, then pawl 623 rises by the bias force of plate spring component 624, with tooth 611 engagements.
Lock Part 64 is as safety device, middle bottom surface from functional unit 63, the rotating shaft of Tu Chu control lever 641 passes the diapire of functional unit 63 downwards, and be connected with the pars intermedia of the tabular lockplate 642 of the inside of inserting functional unit 63, corresponding to the rotation of control lever 641, lockplate 642 rotations.Retreat into the position at the end at functional unit 63, near the inner face of the wall of the vertical direction of the rear side of handle portion 631, the locking of extending along left and right directions is provided with according to the mode of giving prominence to from the bottom surface of tine 62 with rib 626.When lockplate 642 rotates to along the position parallel with fore-and-aft direction, the two ends that lockplate 642 has this lockplate 642 and the inner face of the aft bulkhead of functional unit 63 and lock the length that contacts later with rib 626.If make control lever 641 rotations, make lockplate 642 rotations according to the mode parallel with fore-and-aft direction, then lockplate 642 can prevent advancing of functional unit 63 between the inner face of the rear end of functional unit 63 and locking with between the rib 626, can keep the engagement of pawl 623 and tooth 611.If make control lever 641 rotations, according to the mode parallel with left and right directions, with lockplate 642 location, owing to produce distance at lockplate 642 and between locking with rib 626, so functional unit 63 is advanced, round bar 625 is descended, thus, pawl 623 is descended, remove the engagement between pawl 623 and the tooth 611.
In addition, the rear end pars intermedia of the peripheral part of the upper frame parts 4 in walker 1 of the present invention, tabular self-support accessory 9 is outstanding from the rear end of upper frame parts 4, vertically installs.This self-support accessory 9 has following function, promptly, as shown in Fig. 4 (b), be folded to state on the chassis component 3 at upper frame parts 4, the rear end of the outer peripheral edges of the back of self-support accessory 9 and chassis component 3 is in substantially with on the one side, under the assistance of the outer peripheral edges of chassis component 3, ground is supported oneself walker 1 of the present invention relatively.Thus, in the walker 1 of present embodiment, the bending of the rear end of chassis component 3 is few, can with 9 actings in conjunction of self-support accessory, the self-support function is provided.
In walker 1 of the present invention, is connected owing to connect a distolateral front of the body frame 51 of upper frame parts 4 and chassis component 3, so when upper frame parts 4 were folded, upper frame parts 4 backed away decline simultaneously to rear side with chassis component 3.Finally be folded to state on the chassis component 3 at upper frame parts 4, the end edge of the end edge of upper frame parts 4 and chassis component 3 is approaching, self-support accessory 9 is installed on the rearward end of these upper frame parts 4, thus, can the back of self-support accessory 9 and the end edge of chassis component 3 be in substantially with one side at the state that upper frame parts 4 is folded on the chassis component 3.
Mainly with reference to Fig. 2 and Fig. 3, the action that the height of such walker 1 is regulated is described.4 pairs of main supports 51 of upper frame parts apply because of deadweight such power that descends.Thus, another of top side auxiliary frame 53 is distolateral, that is, linking arm 54 slides in the mode of advancing in the bottom surface of upper frame parts 4 according at ordinary times, the angle of inclination that main support 51 bears chassis component 3 such power that diminishes, and bottom side auxiliary frame 55 supports main supports 51.Resembling Fig. 1, shown in Figure 2, when upper frame parts 4 were set in the extreme higher position, tooth 611 engagements of the rear side of the pawl of tine 62 623 and rack member 61 stopped to advance of linking arm 54.At this state, the intersecting angle α of top side auxiliary frame 53 and main support 51 fixes, the 2nd a distolateral gear 523 that is fixed in top side auxiliary frame 53 is fixed, the 2nd fixing gear 523 is by the 1st gear 521, the 3rd gear 524 is fixing, and consequently, bottom side auxiliary frame 55 is also fixing with the intersecting angle β of main support 51, the position of the axostylus axostyle 551 of another distolateral sliding eye 31 of bottom side auxiliary frame 55 is also fixing, the overall fixed of bracket component 5.At this moment, the top of upper frame parts 4 and main support 51, top side auxiliary frame 53 constitutes fixing leg-of-mutton connecting rod together, and upper frame parts 4 support by main support 51 and top side auxiliary frame 53.This main support 51 supports by bottom side auxiliary frame 55 according to the fixing mode in the angle of inclination of its relative chassis component 3.
When changing the height of upper frame parts 4, control lever 641 half-twists with Lock Part 64 are provided with lockplate 642 according to the mode parallel with the left and right sides, unlock.Finger is held on the handle 63 of functional unit 63, functional unit 63 is forwards drawn lean on, make its slip.Follow this functional unit 63, handle hole 636 advances, and round bar 625 is pressed down, and thus, plate spring component 624 is pressed down, with the engagement releasing of pawl 623 with tooth 611.Thus, tine 62 can slide in the bottom surface of rack member 61, state at the handle 631 that keeps functional unit 63, tine 62 is slided along fore-and-aft direction, move it, select the tooth 611 of the rack member 61 of suitably high position, handle 331 is moved back the rear flank backward, in the occasion of such operation, pawl 623 rises by the bias force of plate spring component 624, pawl 623 and tooth 611 engagements.In addition, can make control lever 641 half-twists of Lock Part 64, according to the mode parallel lockplate 642 is set, the motion of lock operation parts 63, the engagement that keeps pawl 623 and tooth 611 safely with fore-and-aft direction.
If make tine 62 such as, forwards slide, then the intersecting angle α of top side auxiliary frame 53 relative main supports 51 increases, the 2nd gear 523 rotates along the counter clockwise direction among the figure, follow this situation, the 1st gear 521 is rotated in a clockwise direction, the 3rd gear 524 is followed the rotation of the 1st gear 521, in the counterclockwise direction, according to the angle rotation identical with the 2nd gear 523, bottom side auxiliary frame 55 is the center with rotating shaft 526, rotate according to the mode that forms the inclination angle beta identical with the tilt angle alpha of top side auxiliary frame 53 relative main supports 61, another distolateral axostylus axostyle 551 of bottom side auxiliary frame 55 slides in sliding eye 31 rearward, main support 51 reduces with the angle of inclination of horizontal direction, and the height of upper frame parts 4 reduces.
Like this, in walker 1 of the present invention, the top side auxiliary frame 53 of the leg-of-mutton connecting rod that is made of top side auxiliary frame 53 and upper frame parts 4 and main support 51 and the intersecting angle α of main support 51 are at this state, follow the bottom side auxiliary frame 55 of the leg-of-mutton connecting rod that is made of bottom side auxiliary frame 55 and main support 51 and chassis component 3 to change with the intersecting angle β of main support 51, top side auxiliary frame 53 and bottom side auxiliary frame 55 link by the linkage part 52 that is made of gear row.
When walker 1 of the present invention is folded, after the locking of the parts 64 that unlock, finger is held on the handle 63 of functional unit 63, functional unit 63 is forwards slided, remove the engagement of pawl 623 and tooth 611.Then, by rack member 61, the pawl 623 that makes tine 62 forwards side slides, and the pawl 623 of tine 62 is arranged at not tooth 611 position engaged with rack member 61.Thus, because of the deadweight of upper frame parts 4, tine 62 is in the bottom surface of upper frame parts 4, to side slip foremost.By the distolateral forward slip of this tine 62, the intersecting angle α of top side auxiliary frame 53 increases, follow the intersecting angle β of the bottom side auxiliary frame 55 of this intersecting angle α variation also to increase, another distolateral axostylus axostyle 551 of bottom side auxiliary frame 55 moves backward in sliding eye 31, main support 51 drops on the chassis component 3, as shown in Fig. 4 (b), such as, the rearward end of upper frame parts 4 is arranged on the chassis component 3, the decline of upper frame parts 4 stops, and is in folded state.
As shown in the perspective view of the rearward end of the walker 1 of the folded state of Fig. 5 (a), the rear end that the end edge of upper frame parts 4 is positioned at chassis component 33 with the place ahead slightly, the end edge that is installed on the back of tabular self-support accessory 9 of rear end pars intermedia of upper frame parts 4 and chassis component 3 is substantially on one side.Thus, if as shown in Fig. 5 (b), at the state that walker 1 is folding, make rear end side below, walker 1 is stood on the ground, then can realize self-support according to the mode that self-support accessory 9 and the end edge of chassis component 3 contact with ground.By such self-support, then with along the occasion of laterally admitting compare, then be receivable in the very little area, also be receivable in the narrower gap, admissibility is extremely good.
In walker 1 of the present invention, relative main support 51, the top side auxiliary frame 53 and the bottom side auxiliary frame 55 of mutual interlock are set, thus, have relatively and X-shaped support identical functions in the past, but the situation that two supports of X-shaped support intersect in the center substantially, top side auxiliary frame 53 intersects in the top position slightly at the center of main support 51, and bottom side auxiliary frame 55 intersects at the lower position slightly at the center of main support 51.Thus, equally in the occasion that is the intersecting angle identical with the X-shaped support, top side auxiliary frame 53 is positioned at the top of X-shaped support, and bottom side auxiliary frame 55 is positioned at the below of X-shaped support.Consequently, compare with the occasion of X-shaped support, be positioned at the rear as the linking arm 54 of the installation site of top side auxiliary frame 53 relative upper frame parts 4.In addition, the length of top side auxiliary frame 53 is shorter than the length of the part on the intersection point of X-shaped support, the length of the part under the intersection point that is shorter in length than the X-shaped support of bottom side auxiliary frame 55 slightly.The installation site of top side auxiliary frame 53 relative upper frame parts 4 is positioned at the rear of X-shaped support, top side auxiliary frame 53 be shorter in length than half of X-shaped support, thus, the slippage of the installation site of top side auxiliary frame 53 also is shorter than the X-shaped support.Thus, the distance between the installation site 54 of the installation site 512 of main support 51 relative upper frame parts 4 and top side auxiliary frame 53 relative upper frame parts 4 is shorter than the distance between the top edge of X-shaped support greatly.So in the past the X-shaped support of being shorter in length than that must keep bracket component 5 in the upper frame parts 4 can shorten the length of the fore-and-aft direction of upper frame parts 4.Owing to can shorten the length of the fore-and-aft direction of upper frame parts 4,, can form the good walker of aesthetic appearance so the free degree of the design of upper frame parts 4 improves.In addition, when folding, upper frame parts 4 can be received in the chassis component 3, as shown in Fig. 4 (b), the front of upper frame parts 4 can be received in the chassis component 4, admissibility further improves.In addition, when folding, finger etc. is sandwiched between the upper frame parts 4 and chassis component 3 of decline, injured possibility also reduces, and security improves.
In the superincumbent description, provide the example that linkage part adopts 3 gear rows, still, as long as can make top side auxiliary frame and the interlock of bottom side auxiliary frame, the mechanism that also can adopt other.In addition, the mechanism that fixed mechanism moves for the engaging of the pawl of tooth by rack member and tine, still, if be can be with the angle change of top side auxiliary frame, or the fixing mechanism of the angle of bottom side auxiliary frame change, then without limits.
In addition, provide the example that self-support accessory 9 adopts tabular parts, still, if can work with the end edge one of chassis component 3, assist the self-support of walker, then without limits, such as, also can be and spare tyre (tire dolly, tire lid class) wings (wing), buffer (bumper) (aeropart), (blinker is shown in flash of light to the rear portion lamp ﹠ lantern, rear light, Brake lamp etc.), folding cover (hood), suitcase (suitcase portion), silencer (exhaust outlet), suspension, ladder (ladder), carriage class (skis, plate etc.), windscreen wiper, rear view cameras, sign, the similar parts of shape of the parts of the rear side that is positioned at automobile of antenna etc. also can be the shape that is different from these parts fully.

Claims (6)

1. a walker is characterized in that this walker comprises the chassis component of ring-type, and this chassis component is supported on the wheel; The upper frame parts in these upper frame parts, are provided with the peristome that receives the child; Main support, the both ends of this main support rotatably are connected in respectively on above-mentioned chassis component and the upper frame parts; The top side auxiliary frame, a distolateral top that rotatably is connected in above-mentioned main support of this top side auxiliary frame, another distolateral slidably being connected on the above-mentioned upper frame parts; The bottom side auxiliary frame, a distolateral bottom that rotatably is connected in above-mentioned main support of this bottom side auxiliary frame, another distolateral slidably being connected on the above-mentioned chassis component; Linkage part, this linkage part make the intersecting angle of the relative main support of above-mentioned top side auxiliary frame change accordingly mutually with the intersecting angle of the relative main support of bottom side auxiliary frame distolateral a connection of a distolateral and above-mentioned bottom side auxiliary frame of above-mentioned top side auxiliary frame; Fixed mechanism, this fixed mechanism can be fixed the intersecting angle of above-mentioned top side auxiliary frame, or the intersecting angle of bottom side auxiliary frame.
2. walker according to claim 1, it is characterized in that above-mentioned linkage part is by first gear, second gear and the 3rd gear constitute, this second gear by with one of above-mentioned top side auxiliary frame distolateral pivot same axis, be fixed on the auxiliary frame of above-mentioned top side, the 3rd gear is fixed on the auxiliary frame of above-mentioned bottom side by the axle identical with one of above-mentioned bottom side auxiliary frame distolateral pivot, and the 3rd gear links above-mentioned second gear and the 3rd gear mutually.
3. walker according to claim 1 is characterized in that above-mentioned linkage part is arranged at the inside of the above-mentioned main support of hollow.
4. walker according to claim 1 is characterized in that said fixing mechanism comprises rack member, and this rack member is provided with a plurality of teeth, and this rack member is arranged at the bottom surface of above-mentioned upper frame parts; It is distolateral that tine, this tine rotatably are installed on another of above-mentioned top side auxiliary frame, and slidably be installed on the bottom surface of above-mentioned upper frame parts, has the pawl with above-mentioned tooth engagement.
5. walker according to claim 4 is characterized in that it has functional unit, and this functional unit can press down the pawl of above-mentioned tine downwards forcibly, removes the engagement with above-mentioned tooth.
6. walker according to claim 1 is characterized in that the peripheral part at above-mentioned upper frame parts, is provided with the self-support accessory, and the outer peripheral edges acting in conjunction of this self-support accessory and above-mentioned chassis component provides the self-support function.
CNA2004100851236A 2003-09-29 2004-09-29 Walking device Pending CN1602780A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003338175 2003-09-29
JP2003338175 2003-09-29
JP2004261019 2004-09-08
JP2004261019A JP2005125083A (en) 2003-09-29 2004-09-08 Walker

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CN1602780A true CN1602780A (en) 2005-04-06

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CNA2004100851236A Pending CN1602780A (en) 2003-09-29 2004-09-29 Walking device

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JP (1) JP2005125083A (en)
KR (1) KR20050031412A (en)
CN (1) CN1602780A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108606547A (en) * 2018-06-25 2018-10-02 福建欧仕儿童用品股份有限公司 Babywalker
CN108703586A (en) * 2018-07-27 2018-10-26 浙江凯儿宝安全科技有限公司 The loss of weight infant carrier of angle adjustable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102614236B1 (en) * 2021-09-16 2023-12-15 주식회사 테스크 folding type walking support device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108606547A (en) * 2018-06-25 2018-10-02 福建欧仕儿童用品股份有限公司 Babywalker
CN108703586A (en) * 2018-07-27 2018-10-26 浙江凯儿宝安全科技有限公司 The loss of weight infant carrier of angle adjustable

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KR20050031412A (en) 2005-04-06
JP2005125083A (en) 2005-05-19

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