A kind of children trolley
Technical field
The utility model relates to a kind of children trolley.
Background technology
A kind of children trolley of the prior art, comprise the go-cart vehicle frame, front component, wheel assembly, be arranged on the base device that being used on the described go-cart vehicle frame supplies children to sit or lie, described go-cart vehicle frame comprises the side stand that is positioned at described go-cart vehicle frame both sides, be arranged at many tranverse connecting rods between the described side stand of both sides, each side stand comprises front-wheel support, with the rearward end of the described front-wheel support bonded assembly rear wheel support that rotates, with the upper end of the described rear wheel support bonded assembly pulling handle rod that rotates, be used for the Connection Block that is connected with described base device, be arranged at second lockout mechanism between described front-wheel support and the described rear wheel support, be arranged at first lockout mechanism between described pulling handle rod and the described rear wheel support, described Connection Block and described rear wheel support are provided with permanently, and described base device cannot be folding together along with the go-cart vehicle frame.
The utility model content
The technical problems to be solved in the utility model provides a kind of children trolley.
Solving the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of children trolley, comprise the go-cart vehicle frame, front component, wheel assembly, be arranged on the base device that being used on the described go-cart vehicle frame supplies children to sit or lie, described go-cart vehicle frame comprises the side stand that is positioned at described go-cart vehicle frame both sides, be arranged at many tranverse connecting rods between the described side stand of both sides, each side stand comprises front-wheel support, with the rearward end of the described front-wheel support bonded assembly rear wheel support that rotates, with the upper end of the described rear wheel support bonded assembly pulling handle rod that rotates, be used for the Connection Block that is connected with described base device, be arranged at second lockout mechanism between described front-wheel support and the described rear wheel support, be arranged at first lockout mechanism between described pulling handle rod and the described rear wheel support, described Connection Block and described pulling handle rod are provided with permanently.
In some embodiments, described base device can be connected with described Connection Block with dismantling, is provided with the 3rd lockout mechanism between described base device and the described Connection Block.
In some embodiments, be provided with first tranverse connecting rod between the described rear wheel support of both sides, be provided with second tranverse connecting rod between the described front-wheel support of both sides, described second lockout mechanism is arranged between described first tranverse connecting rod and described second tranverse connecting rod.
In some further embodiment, described second lockout mechanism comprises the latch hook that is arranged among both one of described first tranverse connecting rod, described second tranverse connecting rod, described second lockout mechanism has latched position and unlocked position, when described second lockout mechanism is in latched position, described latch hook hooks another among both, and described second lockout mechanism also comprises first elastic component that is arranged between described first tranverse connecting rod, described second tranverse connecting rod among both and the described latch hook.
In some embodiments, the top of described rear wheel support is between the bottom of the bottom of described Connection Block and described pulling handle rod, the bottom three of the top of described rear wheel support, the bottom of described Connection Block, described pulling handle rod is connected by rotating shaft, and the bottom of described Connection Block also is connected by bearing pin with the bottom of described pulling handle rod.Be fixedly connected by rotating shaft and bearing pin between Connection Block and the pulling handle rod, be connected rotationally by rotating shaft between between Connection Block and the trailing wheel, be connected rotatedly by rotating shaft between pulling handle rod and the rear wheel support.And described rear wheel support is arranged between described pulling handle rod and the described Connection Block, and when rocking described pulling handle rod, the influence that described Connection Block is subjected to is less, thereby makes that the children that are sitting on the described base device are more comfortable.
In some further embodiment, described first lockout mechanism comprises first gear grooved that is opened on the described pulling handle rod, is opened in second gear grooved, first cluster gear on the described rear wheel support, described first lockout mechanism has latched position and unlocked position, when described first lockout mechanism is in latched position, described first cluster gear is inserted between described first gear grooved and second gear grooved, when described first lockout mechanism was in the unlocked position, described first cluster gear only was inserted in described second gear grooved.
In some further again embodiment, be provided with the 4th lockout mechanism between the bottom of described Connection Block and the top of described rear wheel support, described the 4th lockout mechanism comprises the 3rd gear grooved that is arranged on the described Connection Block, be arranged on the 4th gear grooved on the described rear wheel support, second cluster gear, and the top of described rear wheel support has through hole, the part of described second cluster gear passes described through hole and described first cluster gear is inconsistent, described the 4th lockout mechanism has latched position and unlocked position, when described the 4th lockout mechanism is in latched position, described second cluster gear is inserted between described the 3rd gear grooved and the 4th gear grooved, when described the 4th lockout mechanism is in the unlocked position, described second cluster gear only is inserted in described the 3rd gear grooved, is provided with between described second cluster gear and the described Connection Block to make described the 4th lockout mechanism stably be in second elastic component under the latched position.Because the part of second cluster gear is inconsistent with first cluster gear, second elastic component also can stably be in first lockout mechanism under the latched position.
In some another further again embodiment, described pulling handle rod is provided with and is used to control described first lockout mechanism is converted to unlocked position by latched position control mechanism.
Continue again in the further embodiment at some, described control mechanism comprises by described rotating shaft and is arranged on first rotation section in described first gear grooved rotationally, second rotation section, the trailing cable that one end is connected with described first rotation section, be arranged on the operating parts on the described pulling handle rod versatilely, the other end of described trailing cable is connected with described operating parts, described second rotary part is between described first rotation section and described first cluster gear, described first rotation section has first inclined-plane, described second rotation section has second inclined-plane, and described first inclined-plane matches with described second inclined-plane.The described setting versatilely comprises and is provided with slidably and is provided with rotationally etc.
In some another further embodiment, be provided with the 4th lockout mechanism between the bottom of described Connection Block and the top of described rear wheel support.
Scope of the present utility model is not limited to the technical scheme that the particular combinations 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 feature and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme utilization, the utility model compared with prior art has following advantage: after the first lockout mechanism release, the relative rear wheel support of pulling handle rod is drawn close, base device follows pulling handle rod together to overturn automatically, after the second lockout mechanism release, the described relatively rear wheel support of front-wheel support can be drawn close, thereby children trolley is folding, and volume after folding is less.
Description of drawings
Accompanying drawing 1 is block diagram of the present utility model (the go-cart vehicle frame is in expanded position);
Accompanying drawing 2 is front view of the present utility model (the go-cart vehicle frame is in expanded position);
Accompanying drawing 3 is front view of the present utility model (the go-cart vehicle frame is in the switching process of expanded position and folding position);
Accompanying drawing 4 is front view of the present utility model (the go-cart vehicle frame is in the folding position);
Accompanying drawing 5 is the connection cutaway view (the 3rd lockout mechanism, the 4th lockout mechanism all are in the unlocked position) of Connection Block, pulling handle rod, rear wheel support;
Accompanying drawing 6 is the connection cutaway view (the 3rd lockout mechanism, the 4th lockout mechanism all are in latched position) of Connection Block, pulling handle rod, rear wheel support;
Accompanying drawing 7 is the connection diagram of Connection Block, pulling handle rod, rear wheel support.
Wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, base device; 5, front-wheel support; 6, rear wheel support; 7, pulling handle rod; 8, Connection Block; 9, first tranverse connecting rod; 10, second tranverse connecting rod; 11, latch hook; 13, rotating shaft; 14, bearing pin; 15, first gear grooved; 16, second gear grooved; 17, first cluster gear; 18, the 3rd gear grooved; 19, the 4th gear grooved; 20, second cluster gear; 21, second elastic component.
The specific embodiment
Shown in accompanying drawing 1-accompanying drawing 2, a kind of children trolley comprises go-cart vehicle frame 1, front component 2, wheel assembly 3, is arranged on the base device 4 that being used on the described go-cart vehicle frame 1 supplies children to sit or lie.
Described go-cart vehicle frame 1 comprises the side stand that is positioned at described go-cart vehicle frame 1 both sides, be arranged at many tranverse connecting rods between the described side stand of both sides, each side stand comprises front-wheel support 5, with the rearward end of the described front-wheel support 5 bonded assembly rear wheel support 6 that rotates, with the upper end of the described rear wheel support 6 bonded assembly pulling handle rod 7 that rotates, be used for the Connection Block 8 that is connected with described base device 4, be arranged at second lockout mechanism between described front-wheel support 5 and the described rear wheel support 6, be arranged at first lockout mechanism between described pulling handle rod 7 and the described rear wheel support 6, described Connection Block 8 is provided with permanently with described pulling handle rod 7.Described front component 2 is arranged at the front portion of described front-wheel support 5, and described wheel assembly 3 is arranged at the bottom of described rear wheel support 6.
Described base device 4 can be connected with described Connection Block 8 with dismantling, is provided with the 3rd lockout mechanism between described base device 4 and the described Connection Block 8.Described the 3rd lockout mechanism is not an inventive point of the present utility model, so long as the lockout mechanism that two detouchable parts can be locked mutually all can use at this, base device 4 as described is provided with tapered end, described connection seat is provided with lockhole, described the 3rd lockout mechanism has locked, when described the 3rd lockout mechanism is in latched position, described tapered end is inserted in the described lockhole, when described the 3rd lockout mechanism is in the unlocked position, described tapered end breaks away from described lockhole, and described the 3rd lockout mechanism also comprises the spring that described the 3rd lockout mechanism stably can be in latched position.
As shown in Figure 1, be provided with first tranverse connecting rod 9 between the described rear wheel support 6 of both sides, be provided with second tranverse connecting rod 10 between the described front-wheel support 5 of both sides, described second lockout mechanism is arranged between described first tranverse connecting rod 9 and described second tranverse connecting rod 10.
As shown in Figure 1, described second lockout mechanism comprises the latch hook 11 that is arranged on described second tranverse connecting rod 10, described second lockout mechanism has latched position and unlocked position, when described second lockout mechanism is in latched position, described latch hook 11 hooks described first tranverse connecting rod 9, and described second lockout mechanism also comprises first elastic component that is arranged between described second tranverse connecting rod 10 and the described latch hook 11.
The top of described rear wheel support 6 is between the bottom of the bottom of described Connection Block 8 and described pulling handle rod 7, the bottom three of the bottom of the top of described rear wheel support 6, described Connection Block 8, described pulling handle rod 7 is connected by rotating shaft 13, and the bottom of described Connection Block 8 also is connected by bearing pin 14 with the bottom of described pulling handle rod 7.
As accompanying drawing 5, shown in the accompanying drawing 6, described first lockout mechanism comprises first gear grooved 15 that is opened on the described pulling handle rod 7, be opened in second gear grooved 16 on the described rear wheel support 6, first cluster gear 17, described first lockout mechanism has latched position and unlocked position, when described first lockout mechanism is in latched position, described first cluster gear 17 is inserted between described first gear grooved 15 and second gear grooved 16, when described first lockout mechanism was in the unlocked position, described first cluster gear 17 only was inserted in described second gear grooved 16.
As accompanying drawing 5, shown in the accompanying drawing 6, be provided with the 4th lockout mechanism between the top of the bottom of described Connection Block 8 and described rear wheel support 6, described the 4th lockout mechanism comprises the 3rd gear grooved 18 that is arranged on the described Connection Block 8, be arranged on the 4th gear grooved 19 on the described rear wheel support 6, second cluster gear 20, and the top of described rear wheel support 6 has through hole, the part of described second cluster gear 20 passes described through hole and described first cluster gear 17 is inconsistent, described the 4th lockout mechanism has latched position and unlocked position, when described the 4th lockout mechanism is in latched position, described second cluster gear 20 is inserted between described the 3rd gear grooved 18 and the 4th gear grooved 19, when described the 4th lockout mechanism is in the unlocked position, described second cluster gear 20 only is inserted in described the 3rd gear grooved 18, is provided with between described second cluster gear 20 and the described Connection Block 8 to make described the 4th lockout mechanism stably be in second elastic component 21 under the latched position.
Described pulling handle rod 7 is provided with and is used to control described first lockout mechanism is converted to unlocked position by latched position control mechanism.Described control mechanism comprises by described rotating shaft 13 and is arranged on first rotation section in described first gear grooved 15 rotationally, second rotation section, the trailing cable that one end is connected with described first rotation section, be slidingly arranged in the operating parts on the described pulling handle rod 7, the other end of described trailing cable is connected with described operating parts, described second rotary part is between described first rotation section and described first cluster gear, described first rotation section has first inclined-plane, described second rotation section has second inclined-plane, and described first inclined-plane matches with described second inclined-plane.Upwards carry the described operating parts that is arranged on the pulling handle rod 7, rotate around described rotating shaft 13 described first rotation section under the drive of trailing cable, because first inclined-plane matches with second inclined-plane, described second rotation section is moved to second gear grooved, 16 directions by first gear grooved 15, because described first cluster gear 17 is adjacent to mutually with described second rotation section, described first cluster gear 17 also moves in second gear grooved 16 thereupon.
As mentioned above, we are illustrated according to aim of the present utility model fully, but the utility model 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 utility model.