CN209719699U

CN209719699U - Children trolley

Info

Publication number: CN209719699U
Application number: CN201920252116.2U
Authority: CN
Inventors: 高翔; 张孟
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-03
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a kind of children trolley, stroller frame includes fore-stock, after-poppet, back rest, supporting pole rack, seat frame and handle frame, wherein is connected in relative rotation between the lower part on the top of fore-stock, the top of after-poppet and back rest；After-poppet includes along its length with respect to the upper bracket of sliding extension and lower bracket, and the top of upper bracket and fore-stock or back support bar are rotatablely connected, and seat frame is rotationally connected between fore-stock and lower bracket, and supporting pole rack is rotationally connected between back rest and lower bracket；The lower rotational of handle frame is connected on the top of fore-stock or the top of after-poppet or the lower part of back rest, and handle frame can converted under stroller frame unfolded state between positive operating position and reverse operation position.The stroller frame rod piece quantity is few, simple for structure, and the expansion of vehicle frame and folding operation and handle switching operation are all very convenient, brings convenience for the routine use of user.

Description

Children trolley

Technical field

The utility model relates to a kind of children trolleys.

Background technique

In the prior art, the structure of perambulator is varied, generally includes the cart with unfolded state and folded state Vehicle frame, set on the wheel assembly of stroller frame bottom, for by stroller frame locking locking mechanism in the deployed state.It is virgin at present Vehicle carriage is many kinds of, and the rod piece number of vehicle frame is different, and the connection relationship, link position between each rod piece are different, from And folding principle is also different with folding mode.

Summary of the invention

The purpose of the utility model is to provide a kind of new structure and the children trolleys of reversible push bar.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of children trolley, including has expansion shape State and the stroller frame of folded state, set on stroller frame bottom front front component, be set to the stroller frame bottom after The wheel assembly in portion, and the locking mechanism for being locked in the stroller frame under the unfolded state, the cart vehicle Frame includes: after-poppet, back rest, the strut that bottom is equipped with the fore-stock of the front component, bottom is equipped with the wheel assembly Frame, seat frame and handle frame, wherein the lower part on the top of the fore-stock, the top of the after-poppet and the back rest this Two components rotation connection in three components and the component rotation connection in third component and both of the aforesaid component, or Three components described in person are mutually pivotally connected together；The after-poppet includes upper with respect to sliding extension along its length Bracket and lower bracket, the top of the upper bracket and the fore-stock or back rest are rotatablely connected, and the seat frame rotationally connects Connect between the fore-stock and the lower bracket, the supporting pole rack be rotationally connected to the back rest and the lower bracket it Between,

The lower rotational of the handle frame is connected to the top of the fore-stock or the top of the after-poppet or described leans on On the lower part of backrest, the handle frame has positive operating position and reverse operation position, when the handle frame is in positive work When making position, gradually inclination extends the handle frame upwards from front to back；When the handle frame is in reverse operation position, institute Stating handle frame, gradually inclination extends upwards from back to front, when the stroller frame is in folded state, the upper bracket and institute Stating lower bracket extends the after-poppet with respect to sliding, and the handle frame is collapsed together with the back rest in the after-poppet Rear side.

Preferably, the upper bracket includes sliding sleeve bar, and the lower bracket includes the bracket body of rod, and the sliding sleeve bar can be opposite Slidably it is set to the top of the bracket body of rod.

Further, it has been fixedly disposed limit sleeve on the bracket body of rod, when the stroller frame is in unfolded state When, the limit sleeve is resisted against the bottom end of the sliding sleeve bar.

Further, the seat frame and/or the supporting pole rack are rotationally connected on the limit sleeve and realize and institute State the rotation connection of lower bracket.

Further, the after-poppet includes two back stays for being divided into the left and right sides, and the every back stay wraps The sliding sleeve bar and the bracket body of rod are included, the lower part of the bracket body of rod of every side is equipped with the wheel assembly.

Preferably, the supporting pole rack vertically extends, and the seat frame extends along the longitudinal direction, the supporting pole rack Lower part and the rear portion of the seat frame are respectively rotatablely connected with the lower bracket；Alternatively, the lower part of the supporting pole rack and the seat The rear portion of position frame is rotationally connected on the lower bracket around same rotary centerline；Alternatively, lower part and the institute of the supporting pole rack State the posterior rotation connection of seat frame, and one of the lower part of the supporting pole rack and the rear portion of the seat frame and the lower branch Frame rotation connection.

Preferably, the stroller frame further includes the arm-rest frame for being set to the fore poppet overhead and extending forward, described to push away The commutation for the handle frame to be locked under the positive operating position and reverse operation position is additionally provided on vehicle carriage to lock Determine part, when the handle frame is in the positive operating position, the commutation locking piece is by the handle frame and the backrest Frame mutually locking；When the handle frame is in the reverse operation position, the commutation locking piece is by the handle frame and institute State arm-rest frame mutually locking.

Preferably, the fore-stock includes two front support rods for being divided into the left and right sides, the bottom of the every front support rod It is equipped with the front component；The after-poppet includes two back stays for being divided into the left and right sides, every back stay Bottom is equipped with the wheel assembly, and when the stroller frame is in folded state, two wheel assemblies are in left-right direction Between two front components, and the front component and the wheel assembly are supported in ground jointly.

Further, the top of the fore-stock, the top of the after-poppet, the lower part of the handle frame and the backrest The lower part of frame is mutually pivotally connected together, and the locking mechanism includes the top for being set to the fore-stock, the after-poppet Top and the back rest lower part between main locking joint.

Further, the fore-stock includes two front support rods for being divided into the left and right sides, and the stroller frame is also wrapped Include the arm-rest frame being set to described in two sides between front support rod top, the arm-rest frame includes being fixedly connected with the front support rod and forward The pedestal bar of extension, and the handrail being rotationally connected between pedestal bar described in two sides, when the stroller frame is in folding When overlapping state, the relatively described pedestal bar of the handrail overturns and collapses in the front side of the fore-stock.

Further, the arm-rest frame further includes closing set on the handrail locking between the pedestal bar and the handrail Section, the handrail locking joint and the main locking joint are equipped with linkage structure, when the fore-stock, after-poppet and the backrest After frame mutually collapses, when the handrail is rotated relative to the pedestal bar, the linkage structure drive the main locking joint from Unlocked state is converted to lock state.

Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art The children trolley of type, stroller frame only include fore-stock, after-poppet, seat frame, back rest, supporting pole rack and handle frame, not only The expansion and folding that can complete stroller frame also make stroller frame that can switch handle as needed in the deployed state The operating position of frame, to meet the positive needs carried out or reversely carry out in routine use.The stroller frame rod piece quantity is few, knot Structure is succinct, and the expansion of vehicle frame and folding operation and handle switching operation are all very convenient, brings just for the routine use of user Benefit.

Detailed description of the invention

Attached drawing 1 is the perspective view under the children trolley unfolded state of the utility model, and wherein handle frame is in positive work Position；

Attached drawing 2 is the perspective view under the children trolley unfolded state of the utility model, and wherein handle frame is in reverse operation Position；

Attached drawing 3 to attached drawing 5 is the folding principle schematic diagram of the children trolley of the utility model；

Wherein: 1, fore-stock；11, front support rod；12, foot pedal；2, after-poppet；21, sliding sleeve bar；22, the bracket body of rod；23, Limit sleeve；24, rear transverse rod；3, back rest；31, back support bar；32, handle positive lock reservation；4, seat frame；41, seat bar；5, strut Frame；51, strut；6, arm-rest frame；61, pedestal bar；62, handrail；63, handrail locks joint；64, handle backward hold seat；7, Handle frame；71, push-down handle；72, upper handle；73, handle locks joint；74, commutate locking piece；8, main locking joint；9, it unlocks Knob；10, front component；20, wheel assembly.

Specific embodiment

The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.

Children trolley referring to figs. 1 to 5, including with unfolded state and folded state stroller frame, be set to The front component 10 of stroller frame bottom front, the wheel assembly 20 set on stroller frame bottom rear portion, and be used for stroller frame The locking mechanism of locking in the deployed state.

The stroller frame includes: the after-poppet that bottom is equipped with the fore-stock 1 of front component 10, bottom is equipped with wheel assembly 20 2, back rest 3, seat frame 4 and supporting pole rack 5, wherein fore-stock 1, after-poppet 2 and back rest 3 are under stroller frame unfolded state It respectively vertically extends, two in the top of fore-stock 1, the top of after-poppet 2 and these three components of the lower part of back rest 3 A component in a component rotation connection and third component and both of the aforesaid component is rotatablely connected, alternatively, these three components Mutually it is pivotally connected together.

After-poppet 2 includes the opposite upper bracket of sliding extension and lower bracket along its length, wherein the top of upper bracket and The top of fore-stock 1 or the lower rotational connection of back rest 3, seat frame 4 are rotationally connected between fore-stock 1 and lower bracket, Supporting pole rack 5 is rotationally connected between back rest 3 and lower bracket.In the present embodiment, the top of fore-stock 1, after-poppet 2 top And the lower part of back rest 3 is mutually pivotally connected together, also that is, the top of fore-stock 1, the top of upper bracket and back rest 3 Lower part be pivotally connected together each other.

Referring to shown in each attached drawing, seat frame 4 extends along the longitudinal direction, and supporting pole rack 5 vertically extends, supporting pole rack 5 Lower part and the rear portion of seat frame 4 are respectively rotatablely connected with lower bracket；Alternatively, the rear portion of the lower part of supporting pole rack 5 and seat frame 4 is around same One rotary centerline is rotationally connected on lower bracket；It may be arranged as, the lower part of supporting pole rack 5 and the rear portion of seat frame 4 turn One of both lower part of supporting pole rack 5 and the rear portion of seat frame 4 and lower bracket, are then rotatablely connected by dynamic connection.

Referring to shown in each attached drawing, in the present embodiment, fore-stock 1 includes two front support rods 11 for being divided into the left and right sides, and two Foot pedal 12 is additionally provided between the lower part of side front support rod 11, the lower part of each side front support rod 11 is mounted on front component 10；After prop up In frame 2, upper bracket includes two sliding sleeve bars 21 for being divided into the left and right sides, and lower bracket includes two branch for being divided into the left and right sides Hack lever body 22, sliding sleeve bar 21 can slidably be set to the top of the respective side bracket body of rod 22 relatively, be arranged herein for sliding sleeve bar 21 On the bracket body of rod 22.On each side in the left and right of stroller frame, the rear branch of after-poppet 2 is collectively formed with the bracket body of rod 22 for sliding sleeve bar 21 Bar, the lower part of the every bracket body of rod 22 are mounted on wheel assembly 20, are fixedly provided with rear transverse rod 24 between the two sides bracket body of rod 22. On each side in the left and right of after-poppet 2, limit sleeve 23 is also fixedly disposed on the bracket body of rod 22, when stroller frame is in unfolded state When, which is resisted against the bottom end of sliding sleeve bar 21.

Back rest 3 also includes two back support bars 31 for being divided into the left and right sides and vertically extending, herein, two sides The top of back support bar 31 connect and back rest 3 made to form downward opening U-shaped；Seat frame 4 includes being divided into left and right two Side and the two seat bars 41 extended along the longitudinal direction, supporting pole rack 5 include being divided into the left and right sides and vertically extending Two struts 51.

On each side in the left and right of stroller frame, between the lower part on the top of front support rod 1, the top of sliding sleeve bar 21 and back support bar 31 It is pivotally connected together by main locking joint 8 around same rotary centerline, before the front of seat bar 41 is rotationally connected to On strut 1, the top of strut 51 is rotationally connected in back support bar 31, and the rear portion of seat bar 41 passes through same with the lower part of strut 51 Rotation axis is rotationally connected on limit sleeve 23 and is rotatablely connected respectively with back stay.When the locking of main locking joint 8, fore-stock 1, opposite locking is kept between after-poppet 2, back rest 3, seat frame 4 and supporting pole rack 5.

Referring to shown in each attached drawing, which further includes the arm-rest frame 6 between two sides front support rod 1, the arm-rest frame 6 Including be divided into the left and right sides and be fixedly connected with the front support rod of respective side 11 two pedestal bars 61, be rotationally connected to two sides Handrail 62 between pedestal bar 61, specifically, pedestal bar 61 extends forward from front support rod 11, and handrail 62 is in be open backwards U-shaped, both ends rear portion lock joint 63 by handrail respectively and are rotationally connected on the front of respective side pedestal bar 61.In this way Handrail 62 can be downwardly turned under stroller frame folded state and collapse it in the front side of fore-stock 1, reduced and occupy sky Between.

Referring to shown in each attached drawing, which further includes handle frame 7, before being connected to the lower rotational of the handle frame 7 On the top of bracket 1 or the top of after-poppet 2 or the lower part of back rest 3.In the present embodiment, handle frame 7, which has, to be set up separately Pulling handle rod in the left and right sides, the pulling handle rod of every side include push-down handle 71, lower part by handle lock joint 73 rotationally connect Connect the upper handle 72 on 71 top of push-down handle, the lower part of push-down handle 71 and the top of ipsilateral front support rod 1, the top of sliding sleeve bar 21 And the lower part of back support bar 31 is pivotally connected together around same rotary centerline.The top of upper handle 72 is additionally provided with unlock and draws Hand 9, unlock of the unlock knob 9 for handle locking joint 73.When setting, handle can be locked joint 73 and main locking joint 8 linkage of unlocking it is arranged, so that by main 8 linkage of unlocking of locking joint when upper handle 72 is with respect to the overturning folding of push-down handle 71.

The handle frame 7 has positive operating position and reverse operation position, when handle frame 7 is in positive operating position, Gradually inclination extends handle frame 7 upwards from front to back, and cart is carried out at the rear that adult can stand on wheel assembly 20；Work as handle When frame 7 is in reverse operation position, gradually inclination extends handle frame 7 upwards from back to front, and adult can stand on front component 10 front faces back rest 3 to carry out cart.

The stroller frame further includes for handle frame 7 to be locked under above-mentioned positive operating position and reverse operation position Commutate locking piece 74.Herein, above-mentioned commutation locking piece 74, the left and right sides of back rest 3 are provided on every side push-down handle 71 It is provided with handle positive lock reservation 32, is provided with handle backward hold seat 64 on the left and right sides pedestal bar 61 of arm-rest frame 6. When handle frame 7 is in positive operating position, the handle positive lock reservation 32 of commutation locking piece 74 and respective side, which cooperates, locks Determine and handle frame 7 is locked with respect to back rest 3；When handle frame 7 is in reverse operation position, commutation locking piece 74 with it is corresponding The handle backward hold seat 64 of side, which cooperates, to be locked and 7 armrest frame 6 of handle frame is locked.

In this way, referring to shown in Fig. 1, Fig. 2, when stroller frame is under unfolded state, fore-stock 1, after-poppet 2 and back rest 3 opposite expansion, seat frame 4 are supported on along the longitudinal direction between fore-stock 1 and the lower bracket of after-poppet 2, and supporting pole rack 5 is vertically square To being supported between back rest 3 and the lower bracket of after-poppet 2, relative constriction between the upper bracket and lower bracket of after-poppet 2, each side Back stay upper sliding sleeve bar 21 is downwards against on the limit sleeve 23 of the bracket body of rod 22；The main locking of locking joint 8 is so that stroller frame Under stable unfolded state.Handle frame 7 can be locked as needed with respect to back rest 3 and is at such as Fig. 1 institute by user The positive operating position shown, or handle frame 7 is locked with respect to back rest 3 and is at reverse operation position as shown in Figure 2 It sets.

When need the stroller frame is folded up when, ginseng as shown in figs. 3 to 5, make first handle frame 7 be in forward direction Under operating position, elder generation handle 72 will overturn forward and fold with respect to push-down handle 71 thereon according to shown in Fig. 3, the folding of handle frame 7 It drives main locking joint 8 by linkage of unlocking in the process, drives back rest 3 to be connected to handle frame 7 and turn over together, so that seat frame 4 and supporting pole rack 5 with respect to after-poppet 2 the bracket body of rod 22, so that fore-stock 1 be driven gradually to collapse along the longitudinal direction with after-poppet 2, The sliding sleeve bar 21 of after-poppet 2 gradually stretches out upwards with respect to the bracket body of rod 22 and after-poppet 2 is extended simultaneously.Until fore-stock 1, After-poppet 2 and back rest 3 are mutually close together, and seat frame 4 and supporting pole rack 5 are collapsed in wherein, as shown in Figure 5；It is last downward The handrail 62 of overturning arm-rest frame 6 collapses it in the front side of fore-stock 1, completes the folding of stroller frame.Folded cart In vehicle frame, two wheel assemblies 20 are in left-right direction between two front wheels component 10, in terms of the side of vehicle frame, 20 quilt of wheel assembly Front component 10 is blocked, and front component 10 and wheel assembly 20 are supported in ground jointly.

When setting, handrail can be locked joint 63 and be arranged in linkage with main locking joint 8, is specially arranged between ining succession Linkage structure, so that stroller frame main body is completed after folding, that is, to the fore-stock of stroller frame 1, after-poppet 2 and back rest 3 After mutually collapsing, during driving 62 opposite base bar 61 of handrail to rotate, above-mentioned linkage structure drives main locking joint 8 It converts from unlocked state to lock state, so that being relocked between fore-stock 1, after-poppet 2 and back rest 3, and then makes Obtain stroller frame locking in a folded configuration, more conducively the folded storage of stroller frame and storage.

When needing to open stroller frame, by operation unlock knob 9 locking mechanism of vehicle is unlocked, then lift 7 whipping of back rest 3 or handle frame can make each rod piece of stroller frame that can relatively rotate under the effect of gravity and beat It opens, until each locking joint of locking mechanism relocks, that is, completes the opening of stroller frame.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims

1. a kind of children trolley, including with unfolded state and folded state stroller frame, be set to the stroller frame bottom before The front component in portion, the wheel assembly set on stroller frame bottom rear portion, and for the stroller frame to be locked in institute State the locking mechanism under unfolded state, it is characterised in that: the stroller frame includes: the preceding branch that bottom is equipped with the front component Frame, bottom are equipped with after-poppet, back rest, supporting pole rack, seat frame and the handle frame of the wheel assembly, wherein the fore-stock Top, the after-poppet top and in these three components of the lower part of the back rest two components rotation connection and third The rotation connection of a component or three components in a component and both of the aforesaid component are mutually rotationally connected to one It rises；The after-poppet includes along its length the top of the upper bracket and institute with respect to the upper bracket of sliding extension and lower bracket It states fore-stock or back rest rotation connection, the seat frame is rotationally connected between the fore-stock and the lower bracket, institute Supporting pole rack is stated rotationally to be connected between the back rest and the lower bracket,

The lower rotational of the handle frame is connected to the top of the fore-stock or the top of the after-poppet or the back rest Lower part on, the handle frame has positive operating position and reverse operation position, when the handle frame is in positive working position When setting, gradually inclination extends the handle frame upwards from front to back；It is described to push away when the handle frame is in reverse operation position Frame from back to front gradually upwards inclination extend, when the stroller frame be in folded state, the upper bracket with it is described under Bracket extends the after-poppet with respect to sliding, and the handle frame is collapsed together with the back rest after the after-poppet Side.

2. children trolley according to claim 1, it is characterised in that: the upper bracket includes sliding sleeve bar, the lower bracket Including the bracket body of rod, the sliding sleeve bar can be relatively slidably solid on the top of the bracket body of rod, the bracket body of rod Surely it is provided with limit sleeve, when the stroller frame is in unfolded state, the limit sleeve is resisted against the bottom of the sliding sleeve bar End.

3. children trolley according to claim 2, it is characterised in that: the seat frame and/or the supporting pole rack are rotationally It is connected on the limit sleeve and realizes the rotation connection with the lower bracket.

4. children trolley according to claim 2, it is characterised in that: the after-poppet includes be divided into the left and right sides two Root back stay, the every back stay include the sliding sleeve bar and the bracket body of rod, the bracket body of rod of every side Lower part be equipped with the wheel assembly.

5. children trolley according to claim 1, it is characterised in that: the supporting pole rack vertically extends, the seat Position frame extends along the longitudinal direction, and the rear portion of the lower part of the supporting pole rack and the seat frame, which is respectively rotated with the lower bracket, to be connected It connects；Alternatively, the rear portion of the lower part of the supporting pole rack and the seat frame around same rotary centerline be rotationally connected to it is described under On bracket；Alternatively, the lower part of the supporting pole rack is connect with the posterior rotation of the seat frame, and the lower part of the supporting pole rack and institute One of rear portion of seat frame is stated to be rotatablely connected with the lower bracket.

6. children trolley according to claim 1, it is characterised in that: the stroller frame further includes being set to the fore-stock Top and the arm-rest frame extended forward are additionally provided in the stroller frame for the handle frame to be locked in described positive work Commutation locking piece under position and reverse operation position, when the handle frame is in the positive operating position, the commutation Locking piece is by the handle frame and the back rest mutually locking；When the handle frame is in the reverse operation position, institute Commutation locking piece is stated by the handle frame and the arm-rest frame mutually locking.

7. children trolley according to claim 1, it is characterised in that: the fore-stock includes be divided into the left and right sides two Root front support rod, the bottom of the every front support rod are equipped with the front component；The after-poppet includes being divided into the left and right sides Two back stays, the bottom of the every back stay is equipped with the wheel assembly, when the stroller frame is in rugosity When state, two wheel assemblies are located in left-right direction between two front components, and the front component and the rear-wheel Component is supported in ground jointly.

8. children trolley according to any one of claims 1 to 7, it is characterised in that: the top of the fore-stock, it is described after The lower part on the top of bracket, the lower part of the handle frame and the back rest is mutually pivotally connected together, the locking machine Structure includes that the main locking between the top, the top of the after-poppet and the lower part of the back rest of the fore-stock is closed Section.

9. children trolley according to claim 8, it is characterised in that: the fore-stock includes be divided into the left and right sides two Root front support rod, the stroller frame further include the arm-rest frame between front support rod top described in two sides, and the arm-rest frame includes The pedestal bar for being fixedly connected with the front support rod and extending forward, and rotationally it is connected to helping between pedestal bar described in two sides Hand lever, when the stroller frame is in folded state, the relatively described pedestal bar of the handrail overturns and collapses before described The front side of bracket.

10. children trolley according to claim 9, it is characterised in that: the arm-rest frame further includes being set to the pedestal bar Handrail between the handrail locks joint, and the handrail locking joint and the main locking joint are equipped with linkage structure, It is described when the handrail is rotated relative to the pedestal bar after fore-stock, after-poppet and the back rest mutually collapse Linkage structure drives the main locking joint to be converted from unlocked state to lock state.