Summary of the invention
The technical matters that the present invention will solve provides a kind of foldable stroller.
Solving the problems of the technologies described above; A kind of technical scheme that the present invention adopts is: a kind of foldable stroller; Comprise go-cart vehicle frame, first front component, first wheel assembly with expanded position and folding position, the blocking device that is used for described go-cart vehicle frame is locked in expanded position, described go-cart vehicle frame comprises
First front frame, described first front component is arranged at the bottom of described first front frame;
First forerunner's bar, described first forerunner's bar is provided with described first front frame along the length direction of described first front frame mutually slidably, and the length direction of the length direction of described first forerunner's bar and described first front frame is consistent;
First rear wheel frame, described first wheel assembly is arranged at the bottom of described first rear wheel frame;
First push-rod frame; Described first push-rod frame is provided with described first rear wheel frame along the length direction of described first rear wheel frame mutually slidably; And the length direction of the length direction of described first push-rod frame and described first rear wheel frame is consistent, and the top of described first push-rod frame is connected with the upper end of described first forerunner's bar rotatedly;
First seat frame, the rear portion of described first seat frame is connected with the bottom of described first push-rod frame rotatedly, and the front portion of described first seat frame and described first front frame are provided with rotatedly;
First fork, the front portion of described first fork is connected with described first seat frame rotatedly, and the rear portion of described first fork is connected with the top of described first rear wheel frame rotatedly.
In some embodiments, described go-cart vehicle frame also comprises
Second front frame, the bottom of described second front frame is provided with second front component;
Second forerunner's bar, described second forerunner's bar is provided with described second front frame along the length direction of described second front frame mutually slidably, and the length direction of the length direction of described second forerunner's bar and described second front frame is consistent;
Second rear wheel frame, the bottom of second rear wheel frame is provided with second wheel assembly;
Second push-rod frame; Described second push-rod frame is provided with described second rear wheel frame along the length direction of described second rear wheel frame mutually slidably; And the length direction of the length direction of described second push-rod frame and described second rear wheel frame is consistent, and the top of described second push-rod frame is connected with the upper end of described second forerunner's bar rotatedly;
Second seat frame, the rear portion of described second seat frame is connected with the bottom of described second push-rod frame rotatedly, and the front portion of described second seat frame and described second front frame are provided with rotatedly;
Second fork, the front portion of described second fork is connected with described second seat frame rotatedly, and the rear portion of described second fork is connected with the top of described second rear wheel frame rotatedly;
The back pole-bracket that can fold; Described back pole-bracket is arranged between described first rear wheel frame and described second rear wheel frame, perhaps is arranged between described first rear wheel frame, described second rear wheel frame, described first push-rod frame and described second push-rod frame;
The bottom bracing frame that can fold, described bottom bracing set up and place between described first seat frame and described second seat frame.
In some further embodiment; Described first seat frame comprises first bar, is slidingly arranged in first sliding part on described first bar along the length direction of described first bar; The rear portion of described first bar is connected with the bottom of described first push-rod frame rotatedly; In two of described first bar and described first sliding parts one is connected with described first fore-stock rotatedly; The front portion of described first fork is connected with described first bar rotatedly
Described second seat frame comprises second bar, is slidingly arranged in second sliding part on described second bar along the length direction of described second bar; The rear portion of described second bar is connected with the bottom of described second push-rod frame rotatedly; In two of described second bar and described second sliding parts one is connected with described second front frame rotatedly, and the front portion of described second fork is connected with described second bar rotatedly;
Described bottom bracing frame be by first bottom supporting rod, second bottom supporting rod intersect and infall rotate connect constitute; The rearward end of described first bottom supporting rod is provided with through the rearward end of second rotary joint and described second bar rotatedly; Described first sliding part is connected with the leading section of described first bottom supporting rod rotatedly; The rearward end of described second bottom supporting rod is provided with through the rearward end of first rotary joint and described first bar rotatedly, and described second sliding part is connected with the leading section of described second bottom supporting rod rotatedly.
In some further again embodiment; Described first sliding part is first sliding sleeve that is set on described first bar; Described first sliding part is connected with described first front frame rotatedly; Described second sliding part is second sliding sleeve that is set on described second bar, and described second sliding part is connected with described second front frame rotatedly.
In some further again embodiment; Described first its length direction of bar upper edge offers first chute; Described first sliding part is arranged in described first chute slidably; The front portion of described first bar is connected with described first front frame rotatedly; Described second its length direction of bar upper edge offers second chute, and described second sliding part is arranged in described second chute slidably, and the front portion of described second bar is connected with described second front frame rotatedly.
In some further embodiment; Described back pole-bracket is intersected by first rear pole, second rear pole and rotates at infall and connects and composes; The upper end of described first rear pole is connected with the top of described first rear wheel frame rotatedly; The bottom of described first rear pole is connected with the bottom of described second push-rod frame rotatedly; The upper end of described second rear pole is connected with the top of described second rear wheel frame rotatedly, and the bottom of described second rear pole is connected with the bottom of described first push-rod frame rotatedly.
In some further embodiment, described blocking device comprises first blocking device that is arranged between described first front frame and the described first forerunner's bar, is arranged at second blocking device between described second front frame and the described second forerunner's bar.
In some further embodiment; Described go-cart vehicle frame also comprises can fold foot-operated; A described foot-operated end that comprises foot-operated body, an end and described foot-operated body rotate the other end of bonded assembly first connecting portion, an end and described foot-operated body rotate bonded assembly second connecting portion, and the other end of described first connecting portion bonded assembly the 3rd rotary joint, and the other end of described second connecting portion bonded assembly the 4th rotary joint rotatedly rotatedly; Described the 3rd rotary joint is connected with described first front frame rotatedly, and described the 4th rotary joint is connected with described second front frame rotatedly.
In some embodiments, described blocking device is arranged between described first front frame and the described first forerunner's bar and/or is arranged between described first rear wheel frame and described first push-rod frame.
Scope of the present invention is not limited to the technical scheme that the particular combination of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that disclosed (but being not limited to) has a similar functions among for example above-mentioned characteristic and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme utilization; The present invention compared with prior art has advantage: after the blocking device release, relative first front frame of first forerunner's bar is to lower slider, and relative first rear wheel frame of first push-rod frame is to lower slider; First push-rod frame drives the rearward end of first seat frame to downslide; Thereby win front frame and first rear wheel frame are drawn close relatively, realized foldingly, folding back first front component and first wheel assembly land the go-cart vehicle frame formed to support and realize self-support; First push-rod frame was still erect person easy to use and taken this moment, and is simple in structure.
Description of drawings
Accompanying drawing 1 is block diagram of the present invention (embodiment two, and the go-cart vehicle frame is under the expanded position);
Accompanying drawing 2 is block diagram of the present invention (embodiment two, and the go-cart vehicle frame is in the switching process of expanded position and folding position);
Accompanying drawing 3 is block diagram of the present invention (embodiment two, and the go-cart vehicle frame is under the folding position);
Accompanying drawing 4 is front view of the present invention (embodiment two, and the go-cart vehicle frame is under the expanded position);
Accompanying drawing 5 is the C-C place cutaway view Amplified image of accompanying drawing 4;
Accompanying drawing 6 is right elevation of the present invention (embodiment two, and the go-cart vehicle frame is under the expanded position);
Accompanying drawing 7 is the A-A place cutaway view of accompanying drawing 6;
Accompanying drawing 8 is birds-eye view of the present invention (embodiment two, and the go-cart vehicle frame is under the expanded position);
Accompanying drawing 9 is front view of the present invention (embodiment two, and the go-cart vehicle frame is in expanded position and the folding position switching process);
Accompanying drawing 10 is left view of the present invention (embodiment two, and the go-cart vehicle frame is under the folding position);
Accompanying drawing 11 is the F-F place cutaway view of accompanying drawing 10;
Accompanying drawing 12 is front view of the present invention (embodiment one, and the go-cart vehicle frame is under the expanded position);
Accompanying drawing 13 is front view of the present invention (embodiment one, and the go-cart vehicle frame is under the folding position).
Wherein: 1, go-cart vehicle frame; 2, first front component; 3, second front component; 4, first wheel assembly; 5, second wheel assembly; 11, first front frame; 12, first forerunner's bar; 13, first rear wheel frame; 14, first push-rod frame; 15, first bar; 16, first fork; 17, first sliding part; 18, first chute; 19, first seat frame; 21, second front frame; 22, second forerunner's bar; 23, second rear wheel frame; 24, second push-rod frame; 25, second bar; 26, second fork; 27, second sliding part; 28, second chute; 29, second seat frame; 30, back pole-bracket; 31, first rear pole; 32, second rear pole; 40, bottom bracing frame; 41, first bottom supporting rod; 42, second bottom supporting rod; 43, first rotary joint; 44, second rotary joint; 50, foot-operated; 51, the 3rd rotary joint; 52, first attaching parts; 53, foot-operated body; 54, second attaching parts; 55, the 4th rotary joint.
The specific embodiment
Embodiment one: shown in accompanying drawing 12, accompanying drawing 13; A kind of foldable stroller; Comprise go-cart vehicle frame with expanded position and folding position, two first front components 2, two first wheel assemblies 4, be used for described go-cart vehicle frame is locked in the blocking device of expanded position; Described go-cart vehicle frame comprises side stand in both sides, be connected in many transverse brackets between the described side stand of both sides, and the side stand of every side all comprises
11, one described first front components 2 of first front frame are arranged at the bottom of corresponding described first front frame 11;
First forerunner's bar 12; Described first forerunner's bar 12 is provided with described first front frame 11 along the length direction of described first front frame 11 mutually slidably, and the length direction of the length direction of described first forerunner's bar 12 and described first front frame 11 is consistent;
13, one described first wheel assemblies 4 of first rear wheel frame are arranged at the bottom of corresponding described first rear wheel frame 13;
First push-rod frame 14; Described first push-rod frame 14 is provided with described first rear wheel frame 13 along the length direction of described first rear wheel frame 13 mutually slidably; And the length direction of the length direction of described first push-rod frame 14 and described first rear wheel frame 13 is consistent, and the top of described first push-rod frame 14 is connected with the upper end of described first forerunner's bar 12 rotatedly;
One first seat frame 19, the rear portion of described first seat frame 19 is connected with the bottom of described first push-rod frame 14 rotatedly, and the front portion of described first seat frame 19 and described first front frame 11 are provided with rotatedly;
First fork 16, the front portion of described first fork 16 is connected with described first seat frame 19 rotatedly, and the rear portion of described first fork 16 is connected with the top of described first rear wheel frame 13 rotatedly.
Described blocking device is arranged between described first front frame 11 and the described first forerunner's bar 12; Described blocking device concrete structure is not limit; So long as the mechanism that can the rod member of two slide relative be locked all can use,, on described first front frame 11, offer locked groove as on first forerunner's bar 12, rotating or being provided with elastic latch hook slidably; During locking, elastic latch hook is inserted in the locked groove.
Embodiment two: shown in accompanying drawing 1-accompanying drawing 11; A kind of foldable stroller; Comprise go-cart vehicle frame 1 with expanded position and folding position, first front component 2, second front component 3, first wheel assembly 4, second wheel assembly 5, be used for described go-cart vehicle frame is locked in the blocking device of expanded position, described go-cart vehicle frame comprises
First front frame 11, described first front component 2 is arranged at the bottom of described first front frame 11;
First forerunner's bar 12; Described first forerunner's bar 12 is provided with described first front frame 11 along the length direction of described first front frame 11 mutually slidably, and the length direction of the length direction of described first forerunner's bar 12 and described first front frame 11 is consistent;
First rear wheel frame 13, described first wheel assembly 4 is arranged at the bottom of described first rear wheel frame 13;
First push-rod frame 14; Described first push-rod frame 14 is provided with described first rear wheel frame 13 along the length direction of described first rear wheel frame 13 mutually slidably; And the length direction of the length direction of described first push-rod frame 14 and described first rear wheel frame 13 is consistent, and the top of described first push-rod frame 14 is connected with the upper end of described first forerunner's bar 12 rotatedly;
First seat frame 19, the rear portion of described first seat frame 19 is connected with the bottom of described first push-rod frame 14 rotatedly, and the front portion of described first seat frame 19 and described first front frame 11 are provided with rotatedly;
First fork 16, the front portion of described first fork 16 is connected with described first seat frame 19 rotatedly, and the rear portion of described first fork 16 is connected with the top of described first rear wheel frame 13 rotatedly;
Described go-cart vehicle frame also comprises
Second front frame, 21, the second front components 3 are arranged at the bottom of described second front frame 21;
Second forerunner's bar 22; Described second forerunner's bar 22 is provided with described second front frame 21 along the length direction of described second front frame 21 mutually slidably, and the length direction of the length direction of described second forerunner's bar 22 and described second front frame 21 is consistent;
Second rear wheel frame, 23, the second wheel assemblies 5 are arranged at the bottom of second rear wheel frame 23;
Second push-rod frame 24; Described second push-rod frame 24 is provided with described second rear wheel frame 23 along the length direction of described second rear wheel frame 23 mutually slidably; And the length direction of the length direction of described second push-rod frame 24 and described second rear wheel frame 23 is consistent, and the top of described second push-rod frame 24 is connected with the upper end of described second forerunner's bar 22 rotatedly;
Second seat frame 29, the rear portion of described second seat frame 29 is connected with the bottom of described second push-rod frame 24 rotatedly, and the front portion of described second seat frame 29 and described second front frame 21 are provided with rotatedly;
Second fork 26, the front portion of described second fork 26 is connected with described second seat frame 29 rotatedly, and the rear portion of described second fork 26 is connected with the top of described second rear wheel frame 23 rotatedly;
The back pole-bracket 30 that can fold, described back pole-bracket 30 are arranged between described first rear wheel frame 13, described second rear wheel frame 23, described first push-rod frame 14 and described second push-rod frame 24;
The bottom bracing frame 40 that can fold, described bottom bracing frame 40 are arranged between described first seat frame 19 and described second seat frame 29.
Described first seat frame 19 comprises first bar 15, is slidingly arranged in first sliding part 17 on described first bar 15 along the length direction of described first bar 15; The rear portion of described first bar 15 is connected with the bottom of described first push-rod frame 14 rotatedly; The front portion of described first fork 16 is connected with described first bar 15 rotatedly; Shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 5, accompanying drawing 8, accompanying drawing 10; Described first bar 15 is connected with described first front frame 11 rotatedly, and shown in accompanying drawing 2, accompanying drawing 9, described first sliding part 17 is connected with described first front frame 11 rotatedly;
Described second seat frame 29 comprises second bar 25, is slidingly arranged in second sliding part 27 on described second bar 25 along the length direction of described second bar 25; The rear portion of described second bar 25 is connected with the bottom of described second push-rod frame 24 rotatedly; The front portion of described second fork 26 is connected with described second bar 25 rotatedly; Shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 5, accompanying drawing 8, accompanying drawing 10, described second bar 25 is connected with described second front frame 21 rotatedly, shown in accompanying drawing 2, accompanying drawing 9; Described second sliding part 27 is connected with described second front frame 21 rotatedly
Described first sliding part 17 is for being set in first sliding sleeve on described first bar 15; Described first sliding part 17 is connected with described first front frame 11 rotatedly; Described second sliding part 27 is for to be set in second sliding sleeve on described second bar 25, and described second sliding part 27 is connected with described second front frame 21 rotatedly.
Described first its length direction of bar 15 upper edges offers first chute 18; Described first sliding part 17 is arranged in described first chute 18 slidably; The front portion of described first bar 15 is connected with described first front frame 11 rotatedly; Shown in accompanying drawing 5; Described second its length direction of bar 25 upper edges offers second chute 28, and described second sliding part 27 is arranged in described second chute 28 slidably, and the front portion of described second bar 25 is connected with described second front frame 21 rotatedly.
Shown in accompanying drawing 2, accompanying drawing 6, accompanying drawing 8, accompanying drawing 10; Described bottom bracing frame 40 be by first bottom supporting rod 41, second bottom supporting rod 42 intersects and infall rotate connect constitute; The rearward end of described first bottom supporting rod 41 is provided with through the rearward end of second rotary joint 44 with described second bar 25 rotatedly; Described first sliding part 17 is connected with the leading section of described first bottom supporting rod 41 rotatedly; The rearward end of described second bottom supporting rod 42 is provided with through the rearward end of first rotary joint 43 with described first bar 15 rotatedly, and described second sliding part 27 is connected with the leading section of described second bottom supporting rod 42 rotatedly.
Do not have diagram, if first seat frame 19 and second seat frame 29 are respectively independent rod members, described bottom bracing frame 40 also can be to comprise
Cross bar;
First bar, an end of described first bar rotate with the upper end of said cross bar and are connected, and the other end of described first bar rotates with described first seat frame 19 and is connected;
Second bar, an end of described second bar rotate with the upper end of said cross bar and are connected, and the other end of described second bar rotates with described second seat frame 29 and is connected;
First slide block, described first slide block is slidingly arranged on the described cross bar;
The 3rd bar, an end of described the 3rd bar rotate with the bottom of said cross bar and are connected, and the other end of described the 3rd bar rotates with described first seat frame 19 and is connected;
The 4th bar, an end of described the 4th bar rotate with the bottom of said cross bar and are connected, and the other end of described the 4th bar rotates with described second seat frame 29 and is connected.
The 3rd brace, described the 3rd brace one end and said first slide block bonded assembly that rotates, said the 3rd brace the other end rotates with said the 3rd bar and is connected;
The 4th brace, described the 4th brace one end and said first slide block bonded assembly that rotates, described the 4th brace the other end rotates with said the 4th bar and is connected.
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 6; Described back pole-bracket 30 by first rear pole 31, second rear pole 32 intersects and rotate at infall and to connect and compose; The upper end of described first rear pole 31 is connected with the top of described first rear wheel frame 13 rotatedly; The bottom of described first rear pole 31 is connected with the bottom of described second push-rod frame 24 rotatedly; The upper end of described second rear pole 32 is connected with the top of described second rear wheel frame 23 rotatedly, and the bottom of described second rear pole 32 is connected with the bottom of described first push-rod frame 14 rotatedly.
Do not have diagram, described back pole-bracket 40 also can be to be arranged at described first rear wheel frame 13 with described
Between second rear wheel frame 23.Said back pole-bracket 40 comprises:
Montant;
First cross bar, an end of described first cross bar rotate with the upper end of said montant and are connected, and the other end of described first cross bar rotates with described first rear wheel frame 13 and is connected;
Second cross bar, an end of described second cross bar rotate with the upper end of said montant and are connected, and the other end of described second cross bar rotates with described second rear wheel frame 23 and is connected;
Slide block, described slide block are slidingly arranged on the described montant;
The 3rd cross bar, an end of described the 3rd cross bar rotate with the bottom of said montant and are connected, and the other end of described the 3rd cross bar rotates with described first rear wheel frame 13 and is connected;
The 4th cross bar, an end of described the 4th cross bar rotate with the bottom of said montant and are connected, and the other end of described the 4th cross bar rotates with described second rear wheel frame 23 and is connected.
First brace, described first brace, one end and the said slide block bonded assembly that rotates, said first brace the other end rotates with said the 3rd cross bar and is connected;
Second brace, described second brace, one end and the said slide block bonded assembly that rotates, described second brace the other end rotates with said the 4th cross bar and is connected.
Described blocking device comprises first blocking device that is arranged between described first front frame 11 and the described first forerunner's bar 12, is arranged at second blocking device between described second front frame 21 and the described second forerunner's bar 22.The structure of blocking device is identical with locking device structure among the embodiment one.
Shown in accompanying drawing 1-accompanying drawing 11; Described go-cart vehicle frame also comprise can fold foot-operated 50; Described foot-operated 50 comprise foot-operated body 53, an end and described foot-operated body 53 an end rotate the other end of bonded assembly first connecting portion 52, an end and described foot-operated body 53 rotate bonded assembly second connecting portion 54, and the other end of described first connecting portion 52 bonded assembly the 3rd rotary joint 51, and the other end of described second connecting portion 54 bonded assembly the 4th rotary joint 55 rotatedly rotatedly; Described the 3rd rotary joint 51 is connected with described first front frame 11 rotatedly, and described the 4th rotary joint 55 is connected with described second front frame 21 rotatedly.
As stated, we are illustrated according to aim of the present invention fully, but the present invention is not limited to the foregoing description and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present invention.