A kind of collapsible novel four-wheel perambulator
Technical field
The utility model relates to the hand propelled perambulator, particularly a kind of little and simple for structure, folding fast and convenient collapsible novel four-wheel perambulator of expansion operation that reaches of shock-damping structure volume after folding that is provided with.
Background technology
Hand propelled perambulator of the prior art, generally comprise the go-cart vehicle frame, be arranged on the front-wheel of the front portion, the end of described go-cart vehicle frame, be arranged on the back wheels at the rear portion, the end of described go-cart vehicle frame, described go-cart vehicle frame comprises the side stand that is positioned at both sides, described side stand comprises front-wheel support, the upper end of bottom and the described front-wheel support bonded assembly handle that rotates, upper end and the described handle bonded assembly trailing wheel pack support that rotates, usually the go-cart vehicle frame comprises a connecting rod etc., the leading section of described seat connecting rod rotates with described front-wheel support and is connected, the rearward end of described seat connecting rod rotates with described trailing wheel pack support and is connected, when described children trolley is folding, the relative trailing wheel pack support of front-wheel support is folding, and the seat connecting rod has limited the folding position of the relative trailing wheel pack support of front-wheel support, thereby can not make the relative trailing wheel pack support of front-wheel support fold the less of after contraction, and the body frame structure for automotive complexity is assembled loaded down with trivial details; Existing children trolley, its set shock absorption device is arranged on wheel etc. mostly and locates, and damping effect is still not ideal enough in its actual use; Existing children trolley is provided with many places and folds the joint, and it shrinks folding and launches complicated operation, time-consuming, so the children trolley complex structure of prior art, volume after folding is still bigger, manufacturing and traffic cost are higher, and damping effect is relatively poor, use also inconvenient.
The utility model content
At the above-mentioned shortcoming of existing hand propelled perambulator, the utility model purpose is, provides a kind of and is provided with shock absorption device, volume after folding is little and simple for structure, folding and launch the fast and convenient collapsible novel four-wheel perambulator of operation.
Realize above-mentioned purpose, technical scheme provided by the utility model is:
A kind of collapsible novel four-wheel perambulator, comprise a vehicle frame, be connected preceding wheels of one on this vehicle frame and back wheels, and be arranged on detachable appurtenances such as seat on this vehicle frame, described front and rear wheel group comprises two front-wheels, the trailing wheel that is arranged on this vehicle frame one side respectively, it is characterized in that:
Described vehicle frame also includes:
One back wheels connecting shaft pipe, its two ends link together by a connection piece and described two trailing wheels respectively;
One profile is arc back wheels adapting pipe, and its arcuate openings is towards described trailing wheel, and its two tail end is connected described two trailing wheel inboards by a connection piece respectively, and stretch out to the front upper place of described trailing wheel at its middle part;
One profile is arc preceding wheels adapting pipe, and its arcuate openings is towards described front-wheel, and its two tail end is connected described two front-wheel inboards by a connection piece respectively, and stretch out to the back upper place of described front-wheel at its middle part;
Arm in the middle of one, its front end be connected described before the middle part of wheels adapting pipe, its rear end is connected the middle part of described back wheels adapting pipe, the three forms the lower supporter that a profile is connected to form by the bottom of two forked members jointly;
Two trailing wheel arms, its lower end are hinged on the hypomere of described back wheels connecting shaft pipe respectively by a connection piece, stretch out to wheels front upper place, described back respectively its upper end;
Two handgrips are pipe down, its lower end is hinged on the upper end of described trailing wheel arm respectively by a connection piece, stretch out to wheels connecting shaft pipe back upper place, described back its upper end, forms one with described trailing wheel arm respectively and be the V-arrangement side stand that is symmetricly set in the wheels adapting pipe of described back;
Described two V-arrangement side stands, the jointed shaft place of pipe and trailing wheel arm also is provided with a crosswise fixed pipe described two side stands is coupled together under described handgrip;
The one vertical center bumper that is provided with, its upper end is connected the center of described crosswise fixed pipe, and its lower end is hinged on the described lower supporter.
Aforesaid collapsible novel four-wheel perambulator is characterized in that described vehicle frame also comprises:
Wheels connecting shaft pipe before one, its two ends link together by a connection piece and described two front-wheels respectively;
Two handgrips, its profile is L shaped, and insert under the described handgrip in the pipe by a connection piece respectively its lower end;
One is used for connecting the horizontal handle pipe of U-shaped of pipe under two handgrips, and its two ends are connected to the inboard of pipe under described two handgrips.
Aforesaid collapsible novel four-wheel perambulator, it is characterized in that, described center bumper, it is made of for two sections an arm on the T shape and a T shape lower fulcrum bar, wherein the epimere of lower fulcrum bar inserts described going up in the arm, the two outer cover is provided with a spring, and the two ends of this spring are connected the inboard of arm and lower fulcrum bar on this; Described upper end of going up arm is connected the center of described crosswise fixed pipe, and the lower end of its lower fulcrum bar is hinged on the described lower supporter.
Aforesaid collapsible novel four-wheel perambulator, it is characterized in that, between following pipe of described handgrip and the trailing wheel arm, also be provided with a connection piece, this attaching parts is the one pipe box by two sections constitute, profile is V-shaped, its middle part also is provided with an axis hole that is used for being provided with the crosswise fixed pipe, and its epimere pipe box links together by pipe under another connection pipe and the described handgrip, and described trailing wheel arm is connected on its hypomere pipe box.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, the wheels adapting pipe of described back comprises that two underframe pipes and reach the Y shape connection pipe that the vertical center bumper that is provided with links together with described underframe pipe and middle arm; The front end of described Y shape connection pipe connects deck by one and described middle arm links together; The rear end of this Y shape connection pipe is inserted the front end of described underframe pipe respectively, and links together; This Y shape connection pipe upper surface is provided with the journal stirrup of a pair of projection, is respectively equipped with an axis hole on this journal stirrup, and the center bumper of described vertical setting is hinged on this Y shape connection pipe by one.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, on the described Y shape connection pipe, also is provided with one and folds control mechanism, and this mechanism comprises that one runs through and expose the slide key of these connection pipe two sides, and the front portion of this slide key is provided with a lock-bit spring; When after when moving described slide key, described in the middle of arm can be rotated down and return the vehicle to the garage and knock off.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, on the described support in right side, also is provided with the lockout mechanism that returns the vehicle to the garage and knock off, and this mechanism comprises respectively: be arranged under the described handgrip one on the pipe return the vehicle to the garage and knock off a handle and a snap close.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, described front-wheel is detachable being connected on the described preceding wheels connecting shaft pipe; On the attaching parts before described between wheels adapting pipe and the described front-wheel, also be respectively equipped with a front-wheel backplate.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, described trailing wheel is detachable being connected on the wheels connecting shaft pipe of described back; On the described two back wheels connecting shaft pipes, also be respectively equipped with a trailing wheel backplate.
Aforesaid collapsible novel four-wheel perambulator is characterized in that, the inboard at described crosswise fixed pipe two ends also is respectively equipped with a deck that is used for connecting dismountable parts; This deck can be used to be provided with removable sections such as seat, hand basket, safety chair seats of car; The lower end of parts such as described seat can be inserted or extract in the described deck.
Attaching parts between aforesaid trailing wheel and back wheels connecting shaft pipe and the underframe pipe comprises an outer rear wheel seat, an inner rear wheel seat; Described inner rear wheel seat is provided with a spring and and tears the wheel iron plate open; To tear the wheel iron plate open and pull down, wheel shaft is inserted, after letting go, spring will be torn the wheel iron plate open and rebound and block wheel shaft.
On the aforesaid vehicle frame, annexes such as some Che Bu can also be set, and can be used with annexes such as multiple common seat, automotive seat, hand baskets.
Advantage of the present utility model is: the utility model only needs to be arranged under the handgrip lock of two roads on the pipe and presses when folding, pipe under the handgrip is upwards drawn, again pipe under the handgrip to pressing down, vehicle frame integral body can fold; And when launching again, only need pipe under the described handgrip is pulled upwardly, can realize that the vehicle frame single-piece launches.
Because the utility model body frame structure for automotive is succinct, retracting mechanism is convenient to operation, and its vertical center bumper that is provided with is provided with damping spring, can reduce vibrations; Again since front-wheel of the present utility model, back wheels all can with the vehicle frame overall separation, thereby volume is little, dismounting is quick, easy, greatly facilitate transportation and install.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is the main TV structure scheme drawing of the utility model embodiment vehicle frame;
Fig. 2 is the back view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the birds-eye view of Fig. 1.
Fig. 5 is the upward view of Fig. 1.
Fig. 6 is the structure for amplifying scheme drawing of center bumper among Fig. 1;
Fig. 7 is the attaching parts structure for amplifying scheme drawing between Guan Yuhou wheels arm under the handgrip among Fig. 1;
Fig. 8 is a front-wheel mounting structure scheme drawing among Fig. 1;
Fig. 9 is a trailing wheel mounting structure scheme drawing among Fig. 1;
Figure 10 is handle pipe and two a roads lock perspective view among Fig. 1;
Figure 11 is the partial perspective structure for amplifying scheme drawing of Figure 10.
The specific embodiment
Embodiment: referring to Fig. 1~Figure 11, a kind of collapsible novel four-wheel perambulator that the utility model embodiment is provided, it comprises a vehicle frame 40, is connected preceding wheels of one on this vehicle frame 40 and back wheels, and be arranged on detachable appurtenances such as seat on this vehicle frame 40, these back wheels comprise two trailing wheels 2 that are separately positioned on a side, and these preceding wheels comprise two front-wheels 1 that are separately positioned on a side; One back wheels connecting shaft pipe 4, its two ends link together by a connection piece 5 and described two trailing wheels 2 respectively;
One profile is arc back wheels adapting pipe 6, and its arcuate openings is towards described trailing wheel 2, and its two tail end is connected described two trailing wheels 2 inboards by a connection piece 5 respectively, and stretch out to the front upper place of described trailing wheel 2 and back wheels connecting shaft pipe 4 at its middle part;
One profile is arc preceding wheels adapting pipe 3, its structure and described back wheels adapting pipe 6 are approximate, its arcuate openings is towards described front-wheel 1, and its two tail end is connected described two front-wheels 1 inboard by a connection piece 7 respectively, and stretch out to the back upper place of described front-wheel 1 at its middle part;
Arm 8 in the middle of one, its front end are connected the middle part of described preceding wheels adapting pipe 3, and its rear end is connected the middle part of described back wheels adapting pipe 6, and the three forms the lower supporter that a profile is connected by two Y shape members bottoms jointly;
Two trailing wheel arms 9, its lower end are hinged on the hypomere of described back wheels connecting shaft pipe 4 respectively by a connection piece, stretch out to wheels 2 front upper places, described back respectively its upper end;
Two handgrips are pipe 10 down, its lower end is hinged on the upper end of described trailing wheel arm 9 respectively by a connection piece, stretch out to wheels connecting shaft pipe 4 back upper places, described back its upper end, forms a symmetry with described trailing wheel arm 9 respectively and be arranged on V-arrangement side stand in the described back wheels adapting pipe 6; Described two V-arrangement side stands, the jointed shaft place of pipe 10 and trailing wheel arm 9 also is provided with a crosswise fixed pipe 12 described two side stands is coupled together under described handgrip;
Wheels connecting shaft pipe 29 before one, its two ends link together by a connection piece 7 and described two front-wheels 1 respectively; Two handgrips 14, its profile is L shaped, and its lower end is inserted by a connection piece respectively and is managed in 10 under the described handgrip; One is used for connecting the horizontal handle pipe 15 of U-shaped of pipe 10 under two handgrips, and its two ends are connected to the inboard of pipe 10 under described two handgrips.
This vehicle frame 40 also comprises the horizontal handle pipe 15 of U-shaped that connects pipe 10 under the handgrip, and its two ends are connected to the upper end of pipe 10 inboards under described two handgrips.The inboard at these crosswise fixed pipe 12 two ends is respectively equipped with a deck 46.
Referring to Fig. 6, the one vertical center bumper 13 that is provided with, it is made of for 132 two sections an arm 131 on the T shape and a T shape lower fulcrum bar, wherein the epimere of lower fulcrum bar 132 inserts described going up in the arm 131, the two outer cover is provided with a spring 133, and the two ends of this spring 133 are connected the inboard of arm 131 and lower fulcrum bar 132 on this; Described upper end of going up arm 131 is connected the center of described crosswise fixed pipe 12, and the lower end of its lower fulcrum bar 132 is hinged on the described lower supporter.
Referring to Fig. 7, the attaching parts that following pipe 10 of described handgrip and trailing wheel arm are 9, it is a V-shaped bridge piece 11 of profile that constitutes by two sections pipe one, its joint portion also is provided with an axis hole 31 that is used for being provided with crosswise fixed pipe 12, its epimere body links together by another connection pipe and described handgrip 14, and described trailing wheel arm 9 directly inserts in its hypomere body.
Referring to Fig. 4 and Fig. 5, described back wheels adapting pipe 6 comprises that two underframe pipes 44 and reach the Y shape connection pipe 45 that the vertical center bumper 13 that is provided with links together with described underframe pipe 44 and middle arm 8; The front end of described Y shape connection pipe 45 connects deck by one and described middle arm 8 links together; The rear end of described Y shape connection pipe 45 is inserted the front end of described underframe pipe 44 respectively, and links together; Wheels adapting pipe 3 is also adopted and its approximate structure before described.
Referring to Fig. 3, on described Y shape connection pipe 45 upper surfaces, be provided with the journal stirrup 24 of a pair of projection, be respectively equipped with an axis hole on this journal stirrup, the center bumper 13 of described vertical setting is hinged on this Y shape connection pipe 45 by one; On this connection pipe 45, also be provided with one and fold control mechanism, this mechanism comprises that one runs through and expose the slide key 26 of these connection pipe 45 two sides, and the front portion of this slide key 26 is provided with a lock-bit spring; When after when moving described slide key 26, described in the middle of arm 8 can be rotated down and return the vehicle to the garage and knock off.
Referring to Fig. 9 and Fig. 3, described trailing wheel 2 is detachable being connected on the described back wheels connecting shaft pipe 4; On the described two back wheels connecting shaft pipes 4, also be respectively equipped with a trailing wheel backplate 43; The wheel shaft of two trailing wheels 2 all stretches out in the medial surface of trailing wheel 2, and its front end is provided with an annular groove; Described attaching parts 5 comprises an outer rear wheel seat, an inner rear wheel seat; Described outer rear wheel seat is provided with a spring and one and the card 41 that is used of this annular groove, and an end of this card 41 is hinged on the described attaching parts 5, and the other end stretches out outside the attaching parts 5 and can rotate, to block or to unclamp described wheel shaft; During use card 41 is pulled down, wheel shaft is inserted, after letting go, spring rebounds card 41 and blocks wheel shaft.
Referring to Figure 10 and Figure 11, on the support of described right side, also be provided with the lockout mechanism that returns the vehicle to the garage and knock off, this mechanism comprises respectively: be arranged under described handgrip 14 and the handgrip between the pipe 10 deck 18, a handle 19 and one snap close button 20 that returns the vehicle to the garage and knock off that returns the vehicle to the garage and knock off of one on the attaching parts; Described handgrip 14 and handgrip be 10 attaching partss of pipe down, comprise an inner sliding sleeve, an Extension handle joint 16, an Extension handle button 17; Described inner sliding sleeve is provided with an elongated slot, between this elongated slot and Extension handle button 17, also is provided with a rivet that can enter in the described elongated slot when described Extension handle button 17 is inwardly pushed; Described handgrip 14 can be managed under handgrip and be passed in and out in 10 and locate in position; During use snap close button 20 is pressed, the more left and right handle 19 that returns the vehicle to the garage and knock off is managed 10 down along handgrip and upwards draw, just can return the vehicle to the garage and knock off.
Referring to Fig. 8, described front-wheel 1 is detachable being connected on the described preceding wheels connecting shaft pipe 3; On the attaching parts 7 before described between wheels adapting pipe 3 and the described front-wheel 1, also be respectively equipped with a front-wheel backplate 22.
The inboard at described crosswise fixed pipe 12 two ends also is respectively equipped with a deck 46 that is used for connecting dismountable parts; This deck 46 can be used to be provided with removable sections such as seat, hand basket, safety chair seats of car; The lower end of parts such as described seat can be inserted or extract in the described deck 46.
On the aforesaid vehicle frame 40, annexes such as some handrails, Che Bu can also be set, and can be used with annexes such as multiple common seat, automotive seat, hand baskets.
Adopt the described same or analogous structure of the utility model the foregoing description, resulting other collapsible novel four-wheel perambulator is all within the utility model protection domain.