CN108272605A - A kind of secondary folding carriage - Google Patents

A kind of secondary folding carriage Download PDF

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Publication number
CN108272605A
CN108272605A CN201810255518.8A CN201810255518A CN108272605A CN 108272605 A CN108272605 A CN 108272605A CN 201810255518 A CN201810255518 A CN 201810255518A CN 108272605 A CN108272605 A CN 108272605A
Authority
CN
China
Prior art keywords
folding
switch
tube
vertical tube
secondary folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810255518.8A
Other languages
Chinese (zh)
Inventor
杨荣洪
王刚
王建文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN SHUNKANGDA MEDICAL TECHNOLOGY Co Ltd
Original Assignee
FOSHAN SHUNKANGDA MEDICAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FOSHAN SHUNKANGDA MEDICAL TECHNOLOGY Co Ltd filed Critical FOSHAN SHUNKANGDA MEDICAL TECHNOLOGY Co Ltd
Priority to CN201810255518.8A priority Critical patent/CN108272605A/en
Publication of CN108272605A publication Critical patent/CN108272605A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/04Wheeled walking aids for patients or disabled persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00Appliances for aiding patients or disabled persons to walk about
    • A61H3/04Wheeled walking aids for patients or disabled persons
    • A61H2003/046Wheeled walking aids for patients or disabled persons with braking means

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a kind of secondary folding carriages, the secondary folding carriage is designed with the first folding part and the second folding part, frame inside folding in transverse direction supported on both sides is driven by the folding of the first folding part, the folding of the second folding part is coordinated to drive the vertical tube downward folding along the longitudinal direction of supporting rack, to realize the secondary folding of secondary folding carriage, it can conveniently folding, it can make the carriage volume smaller after folding again, more convenient storage greatly facilitates user to go on a journey and store.

Description

A kind of secondary folding carriage
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of secondary folding carriage.
Background technology
Carriage is the tool car for assisting walking, and the old man for being particularly suitable for inconvenient walking or legs and feet are injured inconvenient In the crowd of walking.
Existing walk help carriage is that can not realize folding mostly, even if occur partly folding on the market helps Row carriage, but it is not convenient enough in terms of folding, and some are also can only be partially folded, this goes on a journey to user or containing belt comes It is greatly inconvenient.
Invention content
In view of the above technical problems, the present invention provides a kind of secondary folding carriage, is cooperated by two matching for folding part With can realize secondary folding of the carriage in horizontal and vertical direction, facilitate while folding that be also greatly saved storage empty Between, it goes on a journey and stores convenient for user.
In order to solve the above-mentioned technical problem, one aspect of the present invention is:A kind of secondary folding four-wheel is provided Vehicle, the secondary folding carriage includes main body frame, and the main body frame includes symmetrically arranged frame supported on both sides and company Connect the first folding part of the frame supported on both sides, wherein the frame supported on both sides include a hook solid transverse tube, setting with it is described The bending part of hook solid transverse tube and with the fixed vertical tube of hook solid transverse tube, the hook solid transverse tube crotch end connects front-wheel, The other end connects trailing wheel, and the second folding part is provided on the vertical tube, and described two are driven by the folding of the first folding part Side stand component inside folding in transverse direction drives the vertical tube is lower along the longitudinal direction to receive by the folding of the second folding part Folding.
Wherein, the vertical tube is fixed on the bending part of the hook solid transverse tube by U-shaped seat, is provided on the U-shaped seat First locating slot, the second folding part include built-in glue part, aluminium flake, elastic component, steel wire and movable switch, the built-in glue part It is sleeved in the vertical tube, the aluminium flake is embedded in the sliding slot of the built-in glue part side and is slided up and down along the sliding slot, the steel Line lower end passes through the elastic component and is buckled on one end that the aluminium flake is exposed at outside the built-in glue part, the steel wire upper end button On movable switch, the movable switch is socketed on the vertical tube, above carries the movable switch to drive the aluminium flake upward To be detached from first locating slot, to realize the vertical tube downward folding along the longitudinal direction.
Wherein, the second locating slot is additionally provided on the U-shaped seat, after 90 degree of the vertical tube downward folding along the longitudinal direction, institute It states aluminium flake and is caught in second locating slot to fix folding state.
Wherein, the secondary folding carriage further includes handrail tube, and the handrail tube is equipped with multiple in being distributed up and down Limit hole, the handrail tube are plugged in the vertical tube, and the vertical tube is connected with the handrail tube by direction switch, and is passed through The direction switch controls the handrail tube lifting.
Wherein, the secondary folding carriage further includes brake, brake setting on the handrail tube top, and with it is rear Take turns brake component connection.
Wherein, the direction switch includes bolt, spring, switch cover and switch base, and the handrail tube is sleeved on described perpendicular In pipe, the bolt includes orthogonal hollow posts and card column, and the hollow posts are arranged in vertical direction and are inserted into the card Column through-hole, the hollow posts are linked into the through-hole of the switch cover upper end, and the spring is in same level with the card column And be set in parallel, and be pressed into the switch base together with the bolt, the switch base is socketed in outside the vertical tube.
Wherein, the direction switch further includes pipe sleeve, and the pipe sleeve is socketed in outside the handrail tube, and with the handrail tube It is sleeved in the vertical tube.
Wherein, the direction switch further includes rivet, and the switch base and described hollow is each passed through by the rivet The through-hole of column and by the switch cover and the switch base riveted.
Wherein, it is in the hinged holder of right-angled intersection that the first folding part, which includes two, and the both ends of the holder are separately connected On the frame supported on both sides, the first folding part rotates folding to drive the transverse direction side of the frame supported on both sides around hinge joint To inside folding.
Wherein, the secondary folding carriage further includes lifting piece, and the lifting piece is connect with the first folding part, with The first folding part folding is realized by the lifting piece pull lift action.
Wherein, the secondary folding carriage further includes storage box, and the storage box is detachable to be fixed on the both sides On supporting rack.
Wherein, the secondary folding carriage further includes backrest, and detachable connection is distinguished described in the backrest both ends On vertical tube.
The beneficial effects of the invention are as follows:The case where being different from the prior art, the embodiment of the present invention provide a kind of secondary folding Carriage, the secondary folding carriage are designed with the first folding part and the second folding part, are driven by the folding of the first folding part Frame supported on both sides inside folding in transverse direction, cooperation the second folding part folding drive supporting rack vertical tube along the longitudinal direction to Lower folding, to realize the secondary folding of secondary folding carriage, can conveniently folding and make folding after four It takes turns car body and accumulates smaller, be more convenient storage, greatly facilitate user's trip and storage.
Description of the drawings
Fig. 1 is the structural schematic diagram of secondary folding carriage unfolded state provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of secondary folding carriage folding state provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of secondary folding carriage first part dismantling state provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of secondary folding carriage second part dismantling state provided in an embodiment of the present invention;
Fig. 5 is direction switch provided in an embodiment of the present invention locally dismantling enlarged diagram.
Figure label explanation:11, frame supported on both sides;12, the first folding part;13, hook solid transverse tube;14, vertical tube;15, Two folding parts;16, U-shaped seat;17, the first locating slot;18, built-in glue part;19, aluminium flake;20, elastic component;21, steel wire;22, movable Switch;23, the second locating slot;24, handrail tube;25, limit hole;26, direction switch;27, it brakes;28, bolt;29, spring; 30, switch cover;31, switch base;32, hollow posts;33, card column;34, pipe sleeve;35, rivet;36, holder;37, lifting piece;38, it sets Object case;39, backrest;40, front-wheel;41, trailing wheel.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, that purpose of providing these embodiments is is more thorough to the understanding of the disclosure Comprehensively.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the Listed Items of pass.
- Fig. 5 is please referred to Fig.1, as shown, the embodiment of the present invention provides a kind of secondary folding carriage, overall structure The first folding part 12 including symmetrically arranged frame 11 supported on both sides and connection frame 11 supported on both sides, wherein frame supported on both sides 11 include a hook solid transverse tube 13, be arranged with the bending part of hook solid transverse tube 13 and with 13 fixed vertical tube of hook solid transverse tube 14,13 crotch end of hook solid transverse tube connects front-wheel 40, and the other end connects trailing wheel 41, the second folding part 15 is provided on vertical tube 14, The inside folding in transverse direction of frame 11 supported on both sides is driven by the folding of the first folding part 12, passes through the receipts of the second folding part 15 Fold belt moves vertical tube 14 and descends folding along the longitudinal direction.
Wherein, vertical tube 14 is fixed on the bending part of hook solid transverse tube 13 by U-shaped seat 16, and first is provided on U-shaped seat 16 Locating slot 17, the second folding part 15 include built-in glue part 18, aluminium flake 19, elastic component 20, steel wire 21 and movable switch 22, built-in glue Part 18 is sleeved in vertical tube 14, and aluminium flake 19 is embedded in the sliding slot of built-in 18 side of glue part and is slided up and down along sliding slot, and 21 lower end of steel wire is worn It crosses elastic component 20 and is buckled on one end that aluminium flake 19 is exposed at outside built-in glue part 18,21 upper end of steel wire is buckled on movable switch 22, Movable switch 22 is socketed on vertical tube 14, above carries movable switch 22 to drive aluminium flake 19 upwards to be detached from the first locating slot 17, from And realize the downward folding along the longitudinal direction of vertical tube 14.
Wherein, the second locating slot 23 is additionally provided on U-shaped seat 16, after 90 degree of the downward folding along the longitudinal direction of vertical tube 14, aluminium flake The second locating slot 23 is caught in fix folding state.
Wherein, aluminium flake 19 is fitted into built-in glue part 18 when assembling, elastic component 20 is also loaded onto (elastic component in built-in glue part 18 Power be the aluminium flake of a vertical compression down), steel wire 21 assemble when lower end be buckled in aluminium flake 19, upper end is buckled on movable switch 22, When needing to fold, above carrying movable switch 22, (the first locating slot for driving aluminium flake to be detached from U-shaped seat 16 by steel wire 21 can reach folding Folded effect), after 90 degree of the downward folding along the longitudinal direction of vertical tube 14, aluminium flake 19 is caught in the second locating slot, to fixation folding shape State, and carriage needs equally also to want drag switch that handrail is made to be restored to use state using when opening.
Wherein, before movable switch 22 is without pull-up, aluminium flake 19 is caught in the first locating slot 17 of U-shaped seat 16, is reached Fixed effect, and movable switch 22 above carries, then steel wire 21 drives aluminium flake 19 to leave the first locating slot 17, reaches the effect of downward folding Fruit.
Wherein, secondary folding carriage further includes handrail tube 24, and the handrail tube 24 is equipped with multiple in being distributed up and down Limit hole 25, handrail tube 24 are plugged in vertical tube 14, and vertical tube 14 and handrail tube 24 are connected by direction switch 26, and pass through lifting Switch 26 controls handrail tube 24 and lifts.
Wherein, secondary folding carriage further includes brake 27, and brake 27 is arranged on 24 top of handrail tube, and and rear service brake Part connects.
Wherein, direction switch includes bolt 28, spring 29, switch cover 30 and switch base 31, and handrail tube 24 is sleeved on vertical tube In 14, bolt 28 includes orthogonal hollow posts 32 and card column 33, and hollow posts 32 are arranged in vertical direction and are inserted into card column 33 Through-hole, hollow posts 32 are linked into the through-hole of 30 upper end of switch cover, and spring 29 is in same level with card column 33 and is set in parallel It sets, and is pressed into switch base 31 together with bolt 28, switch base 31 is socketed in outside vertical tube 14.
Wherein, direction switch further includes pipe sleeve 34, and pipe sleeve 34 is socketed in outside handrail tube 24, and is sleeved on handrail tube 24 perpendicular In pipe 14.
Wherein, direction switch further includes rivet 35, and the through-hole of switch base 31 and hollow posts 32 is each passed through by rivet 35 And by switch cover 30 and 31 riveted of switch base.
It is the function of having used lever principle it should be noted that the direction switch in the present invention, when assembling will need to first open The whole group of pass installs, and (bolt 28 is linked into switch cover 30 and spring 29 is pressed into switch base 31 together with 35 riveted of rivet) opens Close after whole group installs, next a whole set of handrail tube of assembling, first by pipe sleeve 34 be packed into vertical tube 14 again by the whole group installed switch by On be inserted in down in vertical tube 14 and (notice that the hollow post holes of switch plug will be directed at the hole of vertical tube and pipe sleeve), then handrail tube is packed into Vertical tube (will be pressed into opening state) when dress handrail tube.
Direction switch design in this way greatly facilitates the lift adjustment of handrail tube, time saving and energy saving convenient for anyone behaviour Control, and limit hole is set in handrail tube, change existing handle adjusting limit hole design it is exposed bring unsightly ask Topic.
Wherein, it is in the hinged holder 36 of right-angled intersection that the first folding part 12, which includes two, and the both ends of holder 36 are connected to On frame 11 supported on both sides, the first folding part 12 rotates folding to drive the horizontal direction of frame 11 supported on both sides inwardly to receive around hinge joint Folding.
Wherein, secondary folding carriage further includes lifting piece 37, and lifting piece 37 is connect with the first folding part 12, with by carrying 37 pull lift action of draw piece realizes 12 folding of the first folding part.
Wherein, secondary folding carriage further includes storage box 38, and storage box 38 is detachable to be fixed on frame 11 supported on both sides On.
Wherein, dynamic travelling aided bicycle further includes backrest 39, and detachable connection is distinguished on vertical tube 14 in 39 both ends of backrest.
The above is the specific embodiment of the invention, the detailed description of the secondary folding carriage provided, it will be understood that this The secondary folding carriage of invention is designed with the first folding part and the second folding part, and both sides are driven by the folding of the first folding part The folding of supporting rack inside folding in transverse direction, the second folding part of cooperation drives the vertical tube of supporting rack to receive downwards along the longitudinal direction Folding, to realize the secondary folding of secondary folding carriage, can conveniently folding and so that folding after carriage Volume smaller is more convenient storage, and user is greatly facilitated to go on a journey and store.
In addition, the handrail tube of the present invention can realize lift adjustment by direction switch, the direction switch is by using thick stick Rod principle greatly facilitates the lift adjustment of handrail tube, time saving and energy saving to be convenient for anyone operation and control, and limit hole is set in and helps In hand pipe, changes existing handle adjusting limit hole and design the exposed unsightly problem brought.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of secondary folding carriage, which is characterized in that the secondary folding carriage includes main body frame, the main body vehicle Frame includes the first folding part of symmetrically arranged frame supported on both sides and the connection frame supported on both sides, wherein described two is collateral Support includes a hook solid transverse tube, is arranged fixed perpendicular with the bending part of the hook solid transverse tube and with the hook solid transverse tube Pipe, the hook solid transverse tube crotch end connect front-wheel, and the other end connects trailing wheel, the second folding part is provided on the vertical tube, leads to The folding for crossing the first folding part drives the frame supported on both sides inside folding in transverse direction, passes through the second folding part Folding drive the vertical tube to descend folding along the longitudinal direction.
2. secondary folding carriage according to claim 1, which is characterized in that the vertical tube is fixed on institute by U-shaped seat State the bending part of hook solid transverse tube, be provided with the first locating slot on the U-shaped seat, the second folding part include built-in glue part, Aluminium flake, elastic component, steel wire and movable switch, the built-in glue part are sleeved in the vertical tube, the aluminium flake insertion built-in glue The sliding slot of part side is simultaneously slided up and down along the sliding slot, and the steel wire lower end passes through the elastic component and to be buckled in the aluminium flake exposed On one end outside the built-in glue part, the steel wire upper end is buckled on movable switch, and the movable switch is socketed in described perpendicular Guan Shang above carries the movable switch to drive the aluminium flake upwards to be detached from first locating slot, to realize the vertical tube Downward folding along the longitudinal direction.
3. secondary folding carriage according to claim 2, which is characterized in that be additionally provided with the second positioning on the U-shaped seat Slot, after 90 degree of the vertical tube downward folding along the longitudinal direction, the aluminium flake is caught in second locating slot to fix folding state.
4. secondary folding carriage according to claim 1, which is characterized in that the secondary folding carriage further includes helping Hand pipe, the handrail tube are equipped in the multiple limit holes being distributed up and down, and the handrail tube is plugged in the vertical tube, described perpendicular Pipe is connected with the handrail tube by direction switch, and is controlled the handrail tube by the direction switch and lifted.
5. secondary folding carriage according to claim 4, which is characterized in that the secondary folding carriage further includes stopping Vehicle, the brake setting are connect on the handrail tube top, and with rear service brake part.
6. secondary folding carriage according to claim 4, which is characterized in that the direction switch include bolt, spring, Switch cover and switch base, the handrail tube are sleeved in the vertical tube, and the bolt includes orthogonal hollow posts and card column, The hollow posts are arranged in vertical direction and are inserted into the card column through-hole, and the hollow posts are linked into the through-hole of the switch cover upper end Interior, the spring is in same level with the card column and is set in parallel, and the switch is pressed into together with the bolt In seat, the switch base is socketed in outside the vertical tube.
7. secondary folding carriage according to claim 6, which is characterized in that the direction switch further includes pipe sleeve, institute It states pipe sleeve to be socketed in outside the handrail tube, and is sleeved in the vertical tube with the handrail tube.
8. secondary folding carriage according to claim 6, which is characterized in that the direction switch further includes rivet, is led to It crosses the rivet and is each passed through the through-hole of the switch base and the hollow posts and by the switch cover and the switch base riveted.
9. secondary folding carriage according to claim 1, which is characterized in that it is in cross that the first folding part, which includes two, The both ends of the holder of cross-articulation, the holder are connected on the frame supported on both sides, and the first folding part is around hinged Point rotation folding is to drive the inside folding of horizontal direction of the frame supported on both sides.
10. secondary folding carriage according to claim 9, which is characterized in that the secondary folding carriage further includes Lifting piece, the lifting piece are connect with the first folding part, to realize that described first receives by the lifting piece pull lift action Folding piece folding.
CN201810255518.8A 2018-03-26 2018-03-26 A kind of secondary folding carriage Pending CN108272605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810255518.8A CN108272605A (en) 2018-03-26 2018-03-26 A kind of secondary folding carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810255518.8A CN108272605A (en) 2018-03-26 2018-03-26 A kind of secondary folding carriage

Publications (1)

Publication Number Publication Date
CN108272605A true CN108272605A (en) 2018-07-13

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ID=62810344

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810255518.8A Pending CN108272605A (en) 2018-03-26 2018-03-26 A kind of secondary folding carriage

Country Status (1)

Country Link
CN (1) CN108272605A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD940601S1 (en) * 2020-08-28 2022-01-11 Qingfeng Li Rollator
USD941193S1 (en) * 2020-01-02 2022-01-18 Merits Health Products Co., Ltd. Rollator
USD953210S1 (en) * 2020-06-17 2022-05-31 Foshan Hct Medical Equipment Co., Ltd. Foldable four-wheel walking aid
CN114712178A (en) * 2022-04-06 2022-07-08 刘花香 Auxiliary non-crutch free walking device for lower leg fracture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK200600120U3 (en) * 2006-01-26 2006-06-23 Genteel Homecare Products Co L Magic walker
CN200967494Y (en) * 2006-10-29 2007-10-31 中山市隆成日用制品有限公司 Folding safety lock structure for baby umbrella carriage
CN202654639U (en) * 2012-05-11 2013-01-09 王本寰 Folding-type golf cart
CN204092506U (en) * 2014-05-06 2015-01-14 陈志城 A kind of folding travelling aided bicycle being provided with hard seat plate
CN205339476U (en) * 2015-10-09 2016-06-29 佛山市南海建泰铝制品有限公司 Fold and help capable shallow
CN106627716A (en) * 2017-01-17 2017-05-10 卢键平 Foldable baby carriage
CN206871136U (en) * 2017-04-28 2018-01-12 恩比尔(厦门)机械制造有限公司 A kind of trolley
CN208823357U (en) * 2018-03-26 2019-05-07 佛山市顺康达医疗科技有限公司 A kind of secondary folding carriage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK200600120U3 (en) * 2006-01-26 2006-06-23 Genteel Homecare Products Co L Magic walker
CN200967494Y (en) * 2006-10-29 2007-10-31 中山市隆成日用制品有限公司 Folding safety lock structure for baby umbrella carriage
CN202654639U (en) * 2012-05-11 2013-01-09 王本寰 Folding-type golf cart
CN204092506U (en) * 2014-05-06 2015-01-14 陈志城 A kind of folding travelling aided bicycle being provided with hard seat plate
CN205339476U (en) * 2015-10-09 2016-06-29 佛山市南海建泰铝制品有限公司 Fold and help capable shallow
CN106627716A (en) * 2017-01-17 2017-05-10 卢键平 Foldable baby carriage
CN206871136U (en) * 2017-04-28 2018-01-12 恩比尔(厦门)机械制造有限公司 A kind of trolley
CN208823357U (en) * 2018-03-26 2019-05-07 佛山市顺康达医疗科技有限公司 A kind of secondary folding carriage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD941193S1 (en) * 2020-01-02 2022-01-18 Merits Health Products Co., Ltd. Rollator
USD953210S1 (en) * 2020-06-17 2022-05-31 Foshan Hct Medical Equipment Co., Ltd. Foldable four-wheel walking aid
USD940601S1 (en) * 2020-08-28 2022-01-11 Qingfeng Li Rollator
CN114712178A (en) * 2022-04-06 2022-07-08 刘花香 Auxiliary non-crutch free walking device for lower leg fracture

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