CN203332179U - Child cart with bendable front wheel assembly - Google Patents
Child cart with bendable front wheel assembly Download PDFInfo
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- CN203332179U CN203332179U CN2013203350510U CN201320335051U CN203332179U CN 203332179 U CN203332179 U CN 203332179U CN 2013203350510 U CN2013203350510 U CN 2013203350510U CN 201320335051 U CN201320335051 U CN 201320335051U CN 203332179 U CN203332179 U CN 203332179U
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- pipe
- foot pipe
- front foot
- vehicle frame
- sliding part
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Abstract
The utility model discloses a child cart with a bendable front wheel assembly. The lower end of a front foot pipe (2) is connected with the front wheel assembly (7) in a pivot joint mode. The upper end of a rear foot pipe (4) is connected with a sliding part (31) in a pivot joint mode. The lower end of the rear foot pipe (4) is fixedly connected with a rear wheel assembly. The two ends of a drive rod (6) are connected with the rear foot pipe (4) and the front wheel assembly (7) in a pivot joint mode respectively. When a frame is folded, the sliding part (31) slides upward relative to the front foot pipe (2), and the front wheel assembly (7) is driven by the drive rod (6) to rotate around a pivot point with the lower end of the front foot pipe (2). According to the child cart with the bendable front wheel assembly, in the folding process of the frame, the front wheel assembly can rotate around the movable pivot point with the front foot pipe in a linkage mode so that the front wheel assembly can form a cart frame standing plane, and the length of the frame is reduced; in the upward sliding process of the sliding part, a handle pipe is driven by a meshing gear to retract into the front foot pipe, therefore, a user can well place the child cart without bending down, and the child cart can be stored more conveniently and easily.
Description
Technical field
The utility model relates to the children trolley technical field, relates in particular to the children trolley that a kind of front component can bending.
Background technology
Children trolley, perambulator, be a kind of hand barrow for infant, children's ride-on, has the folding form of various ways, during expansion, can take, and can reduce volume while folding so that storage and carrying.
The children trolley of selling on existing market, be and be fixedly connected with between front component and front foot pipe, and, more than the angle between axis is greater than 90 degree usually, can't realize the vehicle frame standing performance after returning the vehicle to the garage and knock off, the ground of can only bending over to keep flat.Also have a kind of children trolley on market, the vehicle frame that can be subjected to displacement between front foot pipe and handle pipe, stretch out the front foot pipe front end by handle pipe, or front foot pipe is relative and front component stretches out front end, and form standpoint between front component.But these two kinds are stretched out the vehicle frame that the vehicle frame front end realizes that go-cart is stood, all can't shorten the length of vehicle frame.
Summary of the invention
In view of this, a technical matters to be solved in the utility model is to provide the children trolley that a kind of front component can bending, when folding, can make front component turn.
A kind of front component can bending children trolley, comprising: vehicle frame, front component 7 and wheel assembly 8; Described vehicle frame comprises: front foot pipe 2, rear foot tube 4, seat pipe 5, drive spindle 6 and sliding part 31; Described sliding part 31 and described front foot pipe 2 sliding block joints; The lower end of described front foot pipe 2 and 7 pivot joints of described front component; The upper end of described rear foot tube 4 and 31 pivot joints of described sliding part, the lower end of described rear foot tube 4 is fixedly connected with described wheel assembly 8; The two ends of described seat pipe 5 respectively with described front foot pipe 2 and 4 pivot joints of described rear foot tube; The two ends of described drive spindle 6 respectively with described rear foot tube 4 and front component 7 pivot joints; Described vehicle frame has and folds and launch two states, and described vehicle frame comprises the lockout mechanism that makes vehicle frame keep deployed condition; Wherein, when folding described vehicle frame, described sliding part 31 is with respect to described front foot pipe 2 upward slidings, and under the drive of described seat pipe 5, the lower end of described rear foot tube 4 is drawn close to described front foot pipe 2, and described drive spindle 6 drives described front component 7 and rotates around the pivoting point with described front foot pipe 2 lower ends.
According to an embodiment of the present utility model, further, in described vehicle frame folds process, the angle between described front component 7 and described front foot pipe 2 axis reduces gradually; At described vehicle frame, during in collapse state, the angle between described front component 7 and described front foot pipe 2 axis is less than or equal to 90 degree, and described front component 7 can form a vehicle frame standing surface.
According to an embodiment of the present utility model, further, also comprise handle pipe 1; Described handle pipe 1 telescopically is plugged in described front foot pipe 2 upper ends.
According to an embodiment of the present utility model, further, described vehicle frame also comprises transmission device; Described transmission device comprises: upper rack 22, lower tooth bar 32 and gear 21; Described gear 21 is articulated in described front foot pipe 2; Described upper rack 22 is with in the lower end of described handle pipe 1 is fixedly connected with and is plugged in described front foot pipe 2, and with described gear 21 engagements; Described sliding part 31 is enclosed within on described front foot pipe 2, and lower tooth bar 32 and described gear 21 engagements, on described front foot pipe 2 and be positioned at described lower tooth bar 32, with described gear 21 engagement places, groove be set; The top of described lower tooth bar 32, through described groove and 21 engagements of described gear, is positioned at the outside of described front foot pipe 2, and is fixedly connected with described sliding part 31; Wherein, in the process of rotating at described gear 21, described upper rack 22 is contrary with the sense of motion of described lower tooth bar 32.
According to an embodiment of the present utility model, further, described lockout mechanism 3 comprises: clip engine piece 33, elastic element 35, pin 34 and release pull bar 37; Described clip engine piece 33, for having one-body molded of two terminations, is arranged in the slotted eye arranged in described sliding part 31 inner chambers; On described front foot pipe 2 and be positioned at the lock hole that described front foot pipe 2 matches with the first termination of described clip engine piece 33 with the contact surface setting of described sliding part 31 relative slidings; Described elastic element 35 is arranged in described slotted eye; Described release pull bar 37 and described sliding part 31 pivot joints, described release pull bar 37 inboards are provided with the involute groove; The bottom of described sliding part 31 arranges long slot bore; The second termination pivot joint of one end of described pin 34 and described clip engine piece 33, the other end of described pin, through described long slot bore, inserts in the involute groove of described release pull bar 37 inboards; Wherein, under described vehicle frame expansion the state in locking, under the promotion of described elastic element 35, match with described lock hole in the first termination of described clip engine piece 33, limits the relative sliding between described front foot pipe 2 and described sliding part 3; When folding described vehicle frame, rotate described release pull bar 37, the radius of the described involute groove curved surface matched with the other end of described pin 34 reduces, the other end that drives described pin 34 moves down, compress described elastic element 35, and the first termination that drives clip engine piece 33 breaks away from described lock hole, described front foot pipe 2 can relative sliding with described sliding part 31.
According to an embodiment of the present utility model, further, described vehicle frame also comprises two road security lock arrangements; Described two road security lock arrangements comprise: release cross bar 38, hook shape plastic parts 39 and elastic element 40; The two ends of described release cross bar 38 respectively with described release pull bar 37 pivot joints; Described elastic element 40 is by pivot and described mounting pipe 5 pivot joints, and described hook shape plastic parts 39 is fixedly connected with elastic element 40; Wherein, at vehicle frame during in complete deployed condition, described hook shape plastic parts 39 under described elastic element 40 effects near described release cross bar 38 and catch on described release cross bar 38, and, before mentioning described release cross bar 38, must be by 39 groups of described hook shape plastic parts from release cross bar 38.
According to an embodiment of the present utility model, further, the material of described clip engine piece 33 and described sliding part 31 is all plastics, steel or aluminum alloy.
According to an embodiment of the present utility model, further, the material of described handle pipe 1, described front foot pipe 2, described rear foot tube 4, described seat pipe 5 and described drive spindle 6 is steel or aluminum alloy.
Front component of the present utility model can bending children trolley, at vehicle frame, amount in process, can realize that front component rotates around the movable pivoting point with front foot pipe by interlock, angle between front component and front foot pipe is reduced, make front component form a go-cart vehicle frame standing surface, realize that the go-cart vehicle frame stands and shorten the function that folds vehicle frame length, the user need not be bent over to place children trolley, simultaneously because after shortening and folding vehicle frame, deposit go-cart convenient easily.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of the embodiment that Fig. 1 to Fig. 8 is the children trolley that front component of the present utility model can bending.Wherein, Fig. 1 is the deployed condition front view, and Fig. 2 is the deployed condition lateral plan, Fig. 3 is for folding process status figure, and Fig. 4 is collapse state figure, and Fig. 5 is sliding part and built-in lockout mechanism 3 exploded drawingss, Fig. 6 is that clip engine piece snaps in the front foot pipe section-drawing, Fig. 7 release pull bar section-drawing, and Fig. 8 is clip engine piece moulding figure.
The specific embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.Below in conjunction with figure and embodiment, the technical solution of the utility model is carried out to many-sided description.
The schematic diagram of the embodiment that Fig. 1 to Fig. 8 is the children trolley that front component of the present utility model can bending.As shown in the figure: children trolley comprises: vehicle frame, front component 7 and wheel assembly 8.
Vehicle frame comprises: front foot pipe 2, rear foot tube 4, seat pipe 5, drive spindle 6 and sliding part 31.Front component 7, wheel assembly 8, front foot pipe 2, rear foot tube 4, seat pipe 5, drive spindle 6 and sliding part 31 are all to exist in pairs and are to be symmetrical arranged.
Sliding part 31 and front foot pipe 2 sliding block joints.The lower end of front foot pipe 2 and front component 7 pivot joints, arrange respectively pivoted hole in lower end and front component 7 upper ends of front foot pipe 2, by pivot, makes the lower end of front foot pipe 2 be connected pivotly with front component 7.The upper end of rear foot tube 4 and sliding part 31 pivot joints, the lower end of rear foot tube 4 is fixedly connected with wheel assembly 8, can adopt be threaded, the mode such as buckle connection.
The two ends of seat pipe 5 respectively with front foot pipe 2 and rear foot tube 4 pivot joints.The two ends of drive spindle 6 respectively with rear foot tube 4 and front component 7 pivot joints.
Vehicle frame has and folds and launch two states.When folding vehicle frame, sliding part 31, with respect to front foot pipe 2 upward slidings, due to upper end and sliding part 31 pivot joints of rear foot tube 4, drives rear foot tube 4 and moves up, and under the drive of present pipe 5, the lower end of rear foot tube 4 is drawn close to front foot pipe 2.
Due to the two ends of drive spindle 6 respectively with rear foot tube 4 and front component 7 pivot joints, drive spindle 6 drives front component 7 and rotates around the pivoting point with front foot pipe 2 lower ends, wherein, the direction that front component 7 rotates can be moving for forwards, or rotate backward, the direction of rotation can be designed according to the needs of actual conditions.
According to an embodiment of the present utility model, at vehicle frame, during in collapse state, the angle between front component 7 and front foot pipe 2 axis is folded the minimizing angle from being greater than 90 degree, and makes front wheels 7 form a face that can allow vehicle frame stand.
According to an embodiment of the present utility model, handle pipe 1 telescopically is plugged in front foot pipe 2 upper ends.
According to an embodiment of the present utility model, can sliding part 31 be slided with respect to front foot pipe 2 by craft, also can realize by connecting gear.Transmission device comprises: upper rack 22, lower tooth bar 32 and gear 21.
Gear 21 is articulated in front foot pipe 2, and according to the needs of technique, there is an opening at the front foot pipe 2 tube wall places below gear 21 articulated sections, upper rack 22 is fixedly connected with the lower end of handle pipe 1, can adopt be threaded, the mode such as buckle connection, and be plugged in front foot pipe 2, and with gear 21 engagements.Sliding part 31 is set on front foot pipe 2, and lower tooth bar 32 is arranged on the inner chamber of sliding part 31 and is fixedly connected with, can adopt be threaded, the mode such as buckle connection, and the opening part below front foot pipe 2 pivot joint gears 21 and gear 21 engagements.In the process of rotating at gear 21, upper rack 22 is contrary with the sense of motion of lower tooth bar 32.
When handle pipe 1 moves down, under the promotion of gear 21, sliding part 31 folds vehicle frame with respect to front foot pipe 2 upward slidings, and when handle pipe 1 moves up, under the promotion of gear 21, sliding part 31 launches vehicle frame with respect to front foot pipe 2 down slidings.
When sliding part 31 with respect to front foot pipe 2 upward slidings, under the promotion of gear 21, handle pipe 1 moves down in indentation front foot pipe 2 and folds vehicle frame, when sliding part 31 with respect to front foot pipe 2 down slidings, under the promotion of gear 21, handle pipe 1 moves up and stretches out front foot pipe 2 expansion vehicle frames.
According to an embodiment of the present utility model, lockout mechanism 3 comprises: clip engine piece 33, spring 35 torsion springs 36 and release pull bar 37.Lockout mechanism 3 also can in pairs and be symmetrical arranged.
As shown in Figure 8, described clip engine piece 33 is one-body molded, and the first termination 51 is relative with described front foot pipe 2 contact surfaces, and second termination 53 be the involute groove flexible connection with release pull bar 37 inboards through the slotted eye on sliding part 31.The midway location of described clip engine piece 33 arranges spring supporting section 52.
According to an embodiment of the present utility model, clip engine piece 33 can be also other shape, can be combined into a kind of latch-up structure with elastic component.Be for example a structure with boss, boss, as the elastic component support zone, is arranged on elastic component in slotted eye, withstands boss, and an end of clip engine piece 33 is headed in knock hole etc.
The first termination 51 of described clip engine piece 33 also can install the bayonet lock reinforcement locking intensity of steel additional, the second termination 53 is also reequiped steel bayonet lock radially 34 and is flexibly connected through the long slot bore on sliding part 31 and the involute groove of release pull bar 37 inboards, with reinforcement, inserts after the involute groove effect that pulls with the rotation of involute groove.
According to an embodiment of the present utility model, described lower tooth bar 32 can be formed in one with sliding part 31, or connects by modes such as buckles.
Described clip engine piece 33 is arranged in the inner chamber of described lower tooth bar 32 and is installed in together with lower tooth bar 32 in the inner chamber slotted eye of sliding part 31, between the spring supporting section 52 of clip engine piece 33 and lower tooth bar 32 intracavity bottoms, spring 35 is set.Described clip engine piece 33 also can be arranged in the slotted eye of inner chamber of described sliding part 31.
Be provided with the lock hole matched with clip engine piece 33 first terminations 51 of lower tooth bar 32 inner chambers on front foot pipe 2.
Described release pull bar 37 passes through a pivot and sliding part 31 pivot joints with torsion spring 36, under torsion spring 36 effects, close rear foot tube 4 when release pull bar 37 is static, the inboard of described release pull bar is provided with an involute groove, and second termination 53 of clip engine piece 33 inserted the involute groove of release pull bar 37 inboards by a pin 34 actively through a long slot bore on sliding part 31.
Under the state launched at vehicle frame, clip engine piece 33, under the thrust of spring 35, matches with the lock hole of front foot pipe 2, the relative sliding between restriction front foot pipe 2 and sliding part 31.In the time of need to folding described vehicle frame, described release pull bar 37 is rotated around the pivoting point with sliding part 31, make the second termination of described clip engine piece 33 pass through the far-end of pin 34 at described release pull bar 37 involute grooves, rotating guiding furthers to the near-end of described release pull bar 37 involute grooves, the first termination 51 that drives described clip engine piece 33 breaks away from described lock hole, make described front foot pipe 2 and the described sliding part 31 can relative sliding, fold vehicle frame.
According to an embodiment of the present utility model, also can connect stay cord in the second end of described clip engine piece 33, carry out release by pulling stay cord.
According to an embodiment of the present utility model, can connect a release cross bar 38 between symmetrical release pull bar 37, during release, one hand is mentioned release cross bar 38 and is driven release pull bars 37 and rotate and can remove the vehicle frame lock-out state.The torsion spring 36 installed additional between release pull bar 37 and sliding part 31, allow release pull bar 37 and release cross bar 38 lean against all the time the outside and the close mounting pipe 5 of rear foot tube 4 when static state simultaneously.
According to an embodiment of the present utility model, for preventing that maloperation release pull bar 37 from folding vehicle frame and causing danger, two road security lock arrangements are set between release cross bar 38 and mounting pipe 5, described two road security lock arrangements hook shape plastic parts 39 by one, release cross bar 38 and a spring 40 form, hook shape plastic parts 39 is articulated on mounting pipe 5 by a pivot together with spring 40, spring 40 drives hook shape plastic parts 39 to press close to release cross bar 38 and catch on release cross bar 38, at vehicle frame during in complete deployed condition, hook shape plastic parts 39 keeps pressing close to and catches on release cross bar 38 under spring 40 effects, before mentioning release cross bar 38, must be first will hook 39 groups of shape plastic parts from release cross bar 38.
According to an embodiment of the present utility model, further, after mentioning described release cross bar 38, driving described release pull bar 37 rotates, pull clip engine piece 33 to break away from the lock hole of front foot pipe 2, continue to pull release cross bar 38, drive sliding part 31 slides on front foot pipe 2, drive the upwards upset of seat pipe 5 rear ends, make to hook the synchronous upwards upset of shape plastic parts 39, discharge release cross bar 38 after folding vehicle frame, under torsion spring 36 effects, release cross bar 38 is automatically near rear foot tube 4, when launching vehicle frame, mention handle pipe 1, vehicle frame makes sliding part 31 down sliding on front foot pipe 2 by self gravitation, launch pin pipe 4 after under the driving of present pipe 5, along with vehicle frame launches, the first termination 51 of clip engine piece 33 falls into the lock hole on front foot pipe 2, seat pipe 5 returns make to hook shape plastic parts 39 synchronous pressures to release cross bar 38, and catch on release cross bar 38.
According to an embodiment of the present utility model, it between front foot pipe 2 and front component 7, is the activity pivot joint, between front foot pipe 2 and handle pipe 1, by connecting gear, be connected, pass through sliding part 31 sliding block joints between rear foot tube 4 and front foot pipe 2, be flexibly connected by drive spindle 6 between rear foot tube 4 and front component 7, manage 5 by seat between rear foot tube 4 and front foot pipe 2 and be flexibly connected.
During the release vehicle frame, one hand is mentioned release cross bar 38 and is driven 37 rotations of release pull bar, make the first termination 51 of clip engine piece 33 break away from the lock hole on front foot pipe 2, continuing to mention release cross bar 38 pulls sliding part 31 to slide on front foot pipe 2 by release pull bar 37, in the handle pipe 1 retraction front foot pipe 2 that can be fixedly connected with upper rack 22 by gear 21 transmission drives, simultaneously sliding part 31 drives rear foot tube 4 during upward sliding and moves up on front foot pipe 2, by seat pipe 5, pull rear foot tube 4 near front foot pipe 2, at rear foot tube 4, not only moved up but also forward near in the process of front foot pipe 2, driving front component 7 by the drive spindle 6 that connects rear foot tube 4 rotates around the movable pivoting point with front foot pipe 2, angle between front component 7 and front foot pipe 2 axis is dwindled gradually by being greater than 90 degree, make front component 7 form a face that can make the go-cart vehicle frame stand, be that the utility model patent can be when folding the go-cart vehicle frame, both formed the vehicle frame standing surface, while realizes shortening the function of vehicle frame length at handgrip pipe end and front wheels end again.
According to an embodiment of the present utility model, front foot pipe 2 can be divided into two sections, between front foot pipe epimere and front foot pipe hypomere for pivot joint, between front foot pipe hypomere and front component 7 for being fixedly connected with.
One hand is mentioned release cross bar 38 and is driven 37 rotations of release pull bar, make the first termination 51 of clip engine piece 33 break away from the lock hole on front foot pipe 2, continuing to mention release cross bar 38 pulls sliding part 31 to slide on front foot pipe 2 by release pull bar 37, can with upper rack 22, be fixedly connected with in handle pipe 1 retraction front foot pipe 2 by gear 21 transmission drives, simultaneously sliding part 31 drives rear foot tube 4 during upward sliding and moves up on front foot pipe 2, by seat pipe 5, pull rear foot tube 4 near front foot pipe 2, at rear foot tube 4, not only moved up but also forward near in the process of front foot pipe 2, by drive spindle 6 drive front components 7 and front foot pipe 2 hypomeres that connect rear foot tube 4, around the pivoting point with the front foot pipe epimere, rotate, angle between front component 7 and front foot pipe 2 hypomeres and front foot pipe 2 epimere axis is dwindled gradually by being greater than 90 degree, make front component 7 form a face that can make the go-cart vehicle frame stand together with front foot pipe 2 hypomeres, realize that the go-cart vehicle frame is stood and the further function that shortens vehicle frame length.
Another embodiment of the present utility model, for front wheels 7 are not symmetric designs, for the single front wheel group, front foot pipe extends crossing, and front foot pipe is divided into to two sections, pass through pivot activity pivot joint between two sections, front wheels are fixedly connected with the hypomere with front foot pipe, between front foot pipe hypomere and rear foot tube, by drive spindle, are flexibly connected, when folding vehicle frame, drive spindle drives the front foot pipe hypomere and rotates around the pivoting point with the front foot pipe epimere, by the front foot pipe hypomere, forms the vehicle frame standing surface.
According to an embodiment of the present utility model, the material of clip engine piece 33 and sliding part 31 is all plastics or steel.The material of handle pipe 1, front foot pipe 2, rear foot tube 4, seat pipe 5 and drive spindle 6 is steel or aluminum alloy.The pipe fitting that front foot pipe 2, rear foot tube 4 and handle pipe 1 are formed in one.
Front component of the present utility model can bending children trolley, at vehicle frame, amount in process, can realize that front component rotates around the movable pivoting point with front foot pipe by interlock, angle between front component and front foot pipe is reduced, make front component form a go-cart vehicle frame standing surface, realize that the go-cart vehicle frame stands and shorten the function of vehicle frame length, simultaneously, handle pipe is under gear drive drives in the indentation front foot pipe, further shorten and fold vehicle frame, the user need not be bent over to place children trolley, simultaneously because after shortening vehicle frame, deposit go-cart convenient easily.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (8)
1. the children trolley that a front component can bending, is characterized in that, comprising:
Vehicle frame, front component (7) and wheel assembly (8);
Described vehicle frame comprises: front foot pipe (2), rear foot tube (4), seat pipe (5), drive spindle (6) and sliding part (31);
Described sliding part (31) and described front foot pipe (2) sliding block joint; The lower end of described front foot pipe (2) and described front component (7) pivot joint; The upper end of described rear foot tube (4) and described sliding part (31) pivot joint, the lower end of described rear foot tube (4) is fixedly connected with described wheel assembly (8);
The two ends of described seat pipe (5) respectively with described front foot pipe (2) and described rear foot tube (4) pivot joint; The two ends of described drive spindle (6) respectively with described rear foot tube (4) and front component (7) pivot joint;
Described vehicle frame has and folds and launch two states, and described vehicle frame comprises the lockout mechanism that makes vehicle frame keep deployed condition; Wherein, when folding described vehicle frame, described sliding part (31) is with respect to described front foot pipe (2) upward sliding, under the drive of described seat pipe (5), the lower end of described rear foot tube (4) is drawn close to described front foot pipe (2), and described drive spindle (6) drives described front component (7) and rotates around the pivoting point with described front foot pipe (2) lower end.
2. children trolley as claimed in claim 1 is characterized in that:
In described vehicle frame folds process, the angle between described front component (7) and described front foot pipe (2) axis reduces gradually; At described vehicle frame, during in collapse state, the angle between described front component (7) and described front foot pipe (2) axis is less than or equal to 90 degree, and described front component (7) can form a vehicle frame standing surface.
3. children trolley as claimed in claim 2 is characterized in that:
Also comprise handle pipe (1);
Described handle pipe (1) telescopically is plugged in described front foot pipe (2) upper end.
4. children trolley as claimed in claim 3 is characterized in that:
Described vehicle frame also comprises transmission device;
Described transmission device comprises: upper rack (22), lower tooth bar (32) and gear (21);
Described gear (21) is articulated in described front foot pipe (2); Described upper rack (22) is fixedly connected with and is plugged in described front foot pipe (2) with the lower end of described handle pipe (1), and meshes with described gear (21);
It is upper that described sliding part (31) is enclosed within described front foot pipe (2), and lower tooth bar (32) meshes with described gear (21), goes up and be positioned at described lower tooth bar (32) in described front foot pipe (2), with described gear (21) engagement place, groove is set; The top of described lower tooth bar (32), through described groove, is positioned at the outside of described front foot pipe (2), and is fixedly connected with described sliding part (31);
Wherein, in the process of rotating at described gear (21), described upper rack (22) is contrary with the sense of motion of described lower tooth bar (32).
5. children trolley as claimed in claim 1 is characterized in that:
Described lockout mechanism (3) comprising: clip engine piece (33), elastic element (35), pin (34) and release pull bar (37);
Described clip engine piece (33), for having one-body molded of two terminations, is arranged in the slotted eye arranged in described sliding part (31) inner chamber; Go up and be positioned at the lock hole that described front foot pipe (2) matches with the first termination of described clip engine piece (33) with the contact surface setting of described sliding part (31) relative sliding in described front foot pipe (2); Described elastic element (35) is arranged in described slotted eye;
Described release pull bar (37) and described sliding part (31) pivot joint, described release pull bar (37) inboard is provided with the involute groove; The bottom of described sliding part (31) arranges long slot bore; The second termination pivot joint of one end of described pin (34) and described clip engine piece (33), the other end of described pin, through described long slot bore, inserts in the inboard involute groove of described release pull bar (37);
Wherein, under described vehicle frame expansion the state in locking, under the promotion of described elastic element (35), match with described lock hole in the first termination of described clip engine piece (33), limits the relative sliding between described front foot pipe (2) and described sliding part (3);
When folding described vehicle frame, rotate described release pull bar (37), the radius of the described involute groove curved surface matched with the other end of described pin (34) reduces, the other end that drives described pin (34) moves down, compress described elastic element (35), and the first termination that drives described clip engine piece (33) breaks away from described lock hole, described front foot pipe (2) can relative sliding with described sliding part (31).
6. children trolley as claimed in claim 5 is characterized in that:
Described vehicle frame also comprises two road security lock arrangements;
Described two road security lock arrangements comprise: release cross bar (38), hook shape plastic parts (39) and elastic element (40);
The two ends of described release cross bar (38) respectively with described release pull bar (37) pivot joint; Described elastic element (40) is by pivot and described mounting pipe (5) pivot joint, and described hook shape plastic parts (39) is fixedly connected with elastic element (40);
Wherein, at vehicle frame during in complete deployed condition, described hook shape plastic parts (39) is at the lower close described release cross bar (38) of described elastic element (40) effect and catch on described release cross bar (38), and, mentioning, described release cross bar (38) is front, and described hook shape plastic parts (39) is dialled from release cross bar (38).
7. children trolley as claimed in claim 5 is characterized in that:
The material of described clip engine piece (33) and described sliding part (31) is all plastics, steel or aluminum alloy.
8. children trolley as described as claim 1 to 7 any one is characterized in that:
The material of described handle pipe (1), described front foot pipe (2), described rear foot tube (4), described seat pipe (5) and described drive spindle (6) is steel or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203350510U CN203332179U (en) | 2013-06-09 | 2013-06-09 | Child cart with bendable front wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203350510U CN203332179U (en) | 2013-06-09 | 2013-06-09 | Child cart with bendable front wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203332179U true CN203332179U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203350510U Withdrawn - After Issue CN203332179U (en) | 2013-06-09 | 2013-06-09 | Child cart with bendable front wheel assembly |
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| Country | Link |
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| CN (1) | CN203332179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014198174A1 (en) * | 2013-06-09 | 2014-12-18 | 珠海优力创工贸有限公司 | Child cart with bendable front wheel assembly |
| CN106864533A (en) * | 2017-02-20 | 2017-06-20 | 安徽酷豆丁科技发展股份有限公司 | A kind of children umbrella car of foldable |
-
2013
- 2013-06-09 CN CN2013203350510U patent/CN203332179U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014198174A1 (en) * | 2013-06-09 | 2014-12-18 | 珠海优力创工贸有限公司 | Child cart with bendable front wheel assembly |
| CN104228917A (en) * | 2013-06-09 | 2014-12-24 | 珠海优力创工贸有限公司 | Stroller with foldable front wheel assemblies |
| CN104228917B (en) * | 2013-06-09 | 2016-06-22 | 珠海阳光儿童用品有限公司 | A kind of front component can the children trolley of bending |
| US9545938B2 (en) | 2013-06-09 | 2017-01-17 | Unitrontech Zhuhai Co., Ltd. | Stroller with pivotable front wheel assembly |
| CN106864533A (en) * | 2017-02-20 | 2017-06-20 | 安徽酷豆丁科技发展股份有限公司 | A kind of children umbrella car of foldable |
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Effective date of registration: 20160426 Address after: The 519090 Bay area Guangdong city of Zhuhai province red Hong Kong Industrial Zone area Yongan Road No. 11 Patentee after: Sunnylove Baby Products Zhuhai Co., Ltd. Address before: 519015 Guangdong province Zhuhai City Jiuzhou Road East Building B3-5 Patentee before: Unitron Enterprises Zhuhai Co., Ltd. |
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