CN107215379B - Perambulator that stacks is received in linkage - Google Patents
Perambulator that stacks is received in linkage Download PDFInfo
- Publication number
- CN107215379B CN107215379B CN201710443016.3A CN201710443016A CN107215379B CN 107215379 B CN107215379 B CN 107215379B CN 201710443016 A CN201710443016 A CN 201710443016A CN 107215379 B CN107215379 B CN 107215379B
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- connecting rod
- sliding
- lower bracket
- joint
- rod
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- 210000002478 hand joint Anatomy 0.000 claims description 29
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 241000773945 Trimusculidae Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/003—Hand-propelled vehicles or sledges being foldable or dismountable when not in use with actuation mechanisms which drive the folding or unfolding operation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention discloses a baby carriage capable of being folded in a linkage way, which comprises: the upper pushing hand frame, the lower bracket, the wheel frame, the upper connecting rod and the lower connecting rod are arranged at the lower end of the upper pushing hand frame; the front end of the wheel frame is hinged with the lower end of the lower bracket; the upper end of the upper connecting rod rotates on the lower bracket, and a connecting rod rotation control device is arranged between the upper connecting rod and the lower bracket; the upper end of the lower connecting rod is hinged with the lower end of the upper connecting rod, and the lower end of the lower connecting rod is hinged to the wheel frame; the upper pushing hand frame, the lower support, the wheel frame, the upper connecting rod and the lower connecting rod form a connecting rod mechanism capable of being folded or unfolded, the connecting rod mechanism is locked or unlocked through the connecting rod rotation control device, so that the folding is convenient to control, folding is simple and quick, the connecting rod mechanism can drive the front wheel set and the rear wheel set to fold, occupied space during folding is further reduced, the connecting rod mechanism and the whole folding process can be controlled through telescopic sliding linkage of the upper pushing hand frame, and the folding device is convenient to control and simple to operate.
Description
Technical Field
The invention relates to the field of strollers, in particular to a linkage folding type stroller.
Background
The bassinet usually has to expand and use and receive and fold the function of accomodating to its use, carry or accomodate, the storage structure of current bassinet is mostly sectional type structure, and each joint position all needs to dispose locking device, and when folding, the unblock of a plurality of positions needs to be carried out, and the operation is very troublesome, uses inconveniently.
In addition, in the existing baby carrier folding structure, a plurality of switches are required to be unlocked when one folding action is finished by adopting button control of a joint position or knob control with a buckle structure, so that the operation is very complicated, and the use is inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the baby carrier which is convenient to fold and control, and is simple and quick to fold and is folded in a linkage way.
The technical scheme adopted for solving the technical problems is as follows:
A ganged folding stroller comprising:
Pushing up the hand rest;
the lower bracket is arranged at the lower end of the upper pushing hand frame;
the front end of the wheel frame is hinged with the lower end of the lower bracket;
the upper end of the upper connecting rod rotates on the lower bracket, and a connecting rod rotation control device is arranged between the upper connecting rod and the lower bracket;
the upper end of the lower connecting rod is hinged with the lower end of the upper connecting rod, and the lower end of the lower connecting rod is hinged to the wheel frame;
the upper pushing hand frame, the lower support, the wheel frame, the upper connecting rod and the lower connecting rod form a connecting rod mechanism which can be folded or unfolded, and the connecting rod mechanism can be locked or unlocked through the connecting rod rotation control device.
The rear side of the wheel carrier is provided with a rear wheel set, the rear wheel set is arranged on the rear side of the wheel carrier in a sliding way through a sliding rod set, the lower connecting rod is connected to the sliding rod set through a connecting rod assembly, and when the connecting rod mechanism is folded or unfolded, the lower connecting rod can drive the rear wheel set to retract or extend in a sliding way through the connecting rod assembly and the sliding rod set.
Preferably, the connecting rod assembly comprises a rear wheel connecting rod, a swing arm is arranged at the lower end of the lower connecting rod in an extending mode, one end of the rear wheel connecting rod is hinged to the swing arm, and the other end of the rear wheel connecting rod is hinged to the sliding rod set.
Preferably, the end part of the rear wheel connecting rod is hinged with the sliding rod group through a connecting pin, and a chute which can be used for the connecting pin to slide back and forth is arranged on the wheel frame so as to position the sliding rod group, namely the sliding position of the whole connecting rod mechanism, and form a supporting structure.
The front side of the wheel carrier is provided with a front wheel set, the front wheel set comprises a cross rod, the cross rod is rotatably arranged at the front end of the wheel carrier, a connecting device is arranged between the connecting rod mechanism and the cross rod, and when the connecting rod mechanism is folded or unfolded, the connecting device can drive the cross rod and the front wheel set to rotate to fold or unfold.
Preferably, a connecting bent arm is arranged in the middle of the cross rod, a rotating hole is formed in the end portion of the connecting bent arm, a rotating seat is arranged in the middle of the front end of the wheel frame, a rotating shaft matched with the rotating hole is arranged in the middle of the rear end of the rotating seat, a hinge seat is arranged at the lower end of the lower support, and the hinge seat is hinged to the front end of the rotating seat.
Preferably, the connecting device comprises a first driving tooth set arranged at the lower end of the lower bracket and a second driving tooth set arranged on the cross rod, the first driving tooth set and the second driving tooth set are meshed with each other, when the connecting rod mechanism is folded or unfolded, the lower end of the lower bracket rotates, the cross rod is driven by the cooperation of the first driving tooth set and the second driving tooth set, and therefore the front wheel set is driven to rotate and fold or unfold.
Preferably, the front wheel set can be folded to the inner side of the wheel frame in a rotating way.
Preferably, the connecting device comprises a front wheel driving connecting rod, one end of the front wheel driving connecting rod is hinged at the position of the cross rod deviating from the rotation center, the other end of the front wheel driving connecting rod is hinged on the lower support, the upper connecting rod or the lower connecting rod, when the connecting rod mechanism is folded or unfolded, the lower support, the upper connecting rod or the lower connecting rod is displaced, and the cross rod and the front wheel group are driven by the front wheel driving connecting rod to rotate to fold or unfold.
The lower end of the upper pushing hand frame is hinged with the upper end of the lower support, a rotation control device is arranged between the upper pushing hand frame and the lower support, the upper pushing hand frame comprises a sleeve and an upper pushing hand pipe which is inserted on the sleeve in a sliding mode, a sliding positioning device is arranged between the sleeve and the upper pushing hand pipe, when the sliding positioning device is unlocked, the upper pushing hand pipe slides downwards to trigger the unlocking of the rotation control device, when the upper pushing hand frame rotates relative to the lower support, the unlocking of the connecting rod rotation control device can be triggered, the connecting rod mechanism can carry out folding action, and when the folding operation is carried out, the switch of the sliding positioning device is controlled, and the control is convenient.
Preferably, the sliding positioning device comprises a button mechanism arranged on the upper push handle pipe, a sliding seat fixedly arranged at the lower end of the upper push handle pipe, a sliding block longitudinally arranged on the sliding seat in a sliding manner, and a limiting plate transversely arranged on the sliding seat in a sliding manner, wherein the button mechanism is connected to the sliding block through a inhaul cable, the push button mechanism can drive the sliding block to slide upwards through the inhaul cable, a sliding block inclined surface structure is arranged on the sliding block, a guide column matched with the sliding block inclined surface structure is arranged on the limiting plate, at least one limiting hole matched with the limiting plate is formed in the sleeve, and when the sliding block slides upwards, the limiting plate can be driven to move transversely to be separated from the limiting hole through the sliding block inclined surface structure, so that the sliding positioning device is unlocked, and the upper push handle pipe can slide relatively to the sleeve.
Preferably, a limiting piece reset spring is arranged between the limiting piece and the sliding block, the limiting piece reset spring provides an outward elastic pushing force for the limiting piece, and when the limiting piece corresponds to the limiting hole and the button mechanism is not pressed down, the limiting piece can automatically pop up to the clamping limiting hole to form a locking structure.
The button mechanism comprises a button shell, a button and a fixed block, wherein the button is arranged on the button shell in a sliding mode and is provided with a button reset spring, the fixed block is fixed in the button shell, a transverse sliding groove is formed in the fixed block, a sliding pin inserted into the transverse sliding groove is arranged at the end of the inhaul cable, an oblique sliding groove is formed in the button, two ends of the sliding pin penetrate into the oblique sliding groove, and the pressing button can drive the sliding pin to move through the cooperation of the oblique sliding groove and the transverse sliding groove so as to pull the inhaul cable.
Preferably, the sleeve lower extreme is provided with a push-up hand joint, the lower carriage upper end is provided with a lower carriage joint, it is articulated each other with the lower carriage joint to go up the push-up hand joint, rotation control device includes trigger piece, locking post, the trigger piece slides and sets up on the push-up hand joint, just the upper end protrusion of trigger piece can push up the trigger piece when going up push-up hand pipe and move down in the up end of push-up hand joint, the locking post slides and sets up on the lower carriage joint, go up and offered a sliding tray with locking post complex on the push-up hand joint, the sliding tray includes a radially extending locking section and a circumference extension sliding section, the trigger piece lower extreme is provided with the trigger piece inclined plane structure that matches with the locking post, and when not unblock, the locking post tip inserts in the locking section, can drive the locking post through trigger piece inclined plane structure and slide to the sliding section when the locking post tip slides into the sliding section, upward hand rest can rotate relatively with the lower carriage.
Preferably, a locking column reset spring is arranged between the locking column and the lower bracket joint, and the locking column reset spring provides radial elastic force for the locking column, so that when the trigger piece is not pressed, and when the push-up hand joint and the lower bracket joint are unfolded, the locking column can be automatically clamped into the locking section to form a locking structure.
The handrail tube comprises a lower bracket joint, and is characterized by further comprising a handrail tube, wherein the end part of the handrail tube is provided with a handrail joint which is rotatably arranged on the lower bracket joint, a locking pin is arranged at the position of the handrail joint deviating from the rotation center in an extending manner in the direction of the lower bracket joint, a first arc-shaped groove and a second arc-shaped groove are respectively arranged on the lower bracket joint and the upper pushing hand joint, the locking pin sequentially penetrates through the first arc-shaped groove and the second arc-shaped groove, and when the upper pushing hand frame and the lower bracket are rotatably unfolded, the first arc-shaped groove and the second arc-shaped groove are relatively far away from and slide and are staggered, so that the sliding distance of the locking pin is shortened, the position of the locking pin is finally limited, and the handrail tube is positioned; when the upper pushing hand frame and the lower support rotate to fold, the first arc-shaped groove and the second arc-shaped groove are relatively close to each other to overlap, so that the sliding distance of the locking pin is increased, and the handrail tube can rotate to fold.
The sleeve lower extreme is provided with a push handle joint, the lower carriage upper end is provided with a lower carriage joint, connecting rod rotation control device includes a fixture block that slides and sets up on the lower carriage and sets up the push rod on the fixture block, the fixture block lower extreme sets up in the block structure that can block each other with last connecting rod tip, it is provided with a cam structure to go up the push handle joint outside, dispose an elasticity pushers piece between push rod and the lower carriage, the push rod upper end passes the lower carriage joint and pushes up on the cam structure in the push handle joint outside through elasticity pushers, when last push handle frame and lower carriage are expanded, the push rod roof presses in cam structure's bellying department for fixture block lower extreme and last connecting rod tip are blocked each other, when last push handle frame and lower carriage rotate and fold, the push rod breaks away from cam structure's bellying, push rod and fixture block upward move for the fixture block lower extreme breaks away from last connecting rod tip, goes up the connecting rod and can rotate.
Preferably, the lower end of the clamping block is of a concave structure, the end part of the upper connecting rod is of a convex structure matched with the concave structure, so that when the clamping block moves downwards, the concave structure is matched with the convex structure to form a clamping structure, and when the clamping block moves upwards, the concave structure is separated from the convex structure to be unlocked.
Preferably, the elastic pushing piece is a tension spring, and the tension spring is arranged between the pushing rod and the lower bracket.
Preferably, the push rod slides and sets up on the fixture block, be provided with a spacer pin on the fixture block, be provided with the long spacing spout that corresponds with the spacer pin on the push rod for push rod and fixture block can relative slip certain distance, set up compression spring between push rod and fixture block, when last push rod joint rotates to when expanding completely with the lower carriage joint, cam structure's protruding part roof pressure push rod moves down, if the protruding structure of last connecting rod tip does not rotate to the expansion state, fixture block and push rod relative movement shorten the distance, make the fixture block roof pressure on last connecting rod tip simultaneously through compression spring, when the protruding structure of last connecting rod tip rotates to the expansion state, the protruding structure of concave structure automatic card income through elasticity forms the block, but forms elastic stroke compression structure through compression spring promptly, cause the card to die when avoiding the frame segmentation to expand.
The beneficial effects of the invention are as follows: a ganged folding stroller comprising: the upper pushing hand frame, the lower bracket, the wheel frame, the upper connecting rod and the lower connecting rod are arranged at the lower end of the upper pushing hand frame; the front end of the wheel frame is hinged with the lower end of the lower bracket; the upper end of the upper connecting rod rotates on the lower bracket, and a connecting rod rotation control device is arranged between the upper connecting rod and the lower bracket; the upper end of the lower connecting rod is hinged with the lower end of the upper connecting rod, and the lower end of the lower connecting rod is hinged to the wheel frame; the upper pushing hand frame, the lower support, the wheel frame, the upper connecting rod and the lower connecting rod form a connecting rod mechanism capable of being folded or unfolded, and the connecting rod mechanism can be locked or unlocked through the connecting rod rotation control device, so that the folding and unfolding are rapid, the folding and unfolding control is convenient, the folding and folding are simple and rapid, the connecting rod mechanism can drive the front wheel set and the rear wheel set to fold, and the occupied space during folding is further reduced.
Furthermore, the invention can control the switching mechanism at one place through the telescopic sliding linkage control link mechanism of the push-up hand frame and the whole folding process, thereby being convenient to control and simple to operate.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic side view of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the embodiment of FIG. 1 of the present invention;
FIG. 3 is an exploded view of the embodiment of FIG. 1 of the present invention;
FIG. 4 is a schematic illustration of the folding process of the embodiment of FIG. 1 of the present invention;
FIG. 5 is a schematic illustration of the embodiment of FIG. 1 after folding is completed in accordance with the present invention;
FIG. 6 is a schematic diagram of the internal structure of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 7 is an exploded view of the button mechanism of the FIG. 1 embodiment of the present invention;
FIG. 8 is a schematic view of the sliding positioning device of the embodiment of FIG. 1 according to the present invention;
FIG. 9 is an exploded view of the slide positioning device of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 10 is a schematic view of the sliding positioning device of the embodiment of FIG. 1 according to the present invention;
FIG. 11 is an exploded view of the slide positioning apparatus of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 12 is a schematic illustration of the structure of the push-up hand joint of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 13 is a schematic illustration of the cooperation of the link rotation control device and the upper link of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 14 is a schematic view of a link rotation control apparatus according to the embodiment of FIG. 1 of the present invention;
FIG. 15 is an exploded view of the link rotation control device of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 16 is a schematic view of a second embodiment of the present invention;
fig. 17 is an exploded view of the embodiment of fig. 16 of the present invention.
Detailed Description
Example 1
Referring to fig. 1 to 15, fig. 1 to 15 are schematic structural views of a first embodiment of the present invention, and as shown, a stroller capable of being folded in a linkage manner, comprising: the hand frame 1, the lower bracket 2, the wheel frame 3, the upper connecting rod 4 and the lower connecting rod 5 are pushed up;
As shown in the figure, the lower bracket 2 is disposed at the lower end of the push-up hand frame 1, the front end of the wheel frame 3 is hinged to the lower end of the lower bracket 2, the upper end of the upper connecting rod 4 rotates on the lower bracket 2, a connecting rod rotation control device 40 is disposed between the upper connecting rod 4 and the lower bracket 2, the upper end of the lower connecting rod 5 is hinged to the lower end of the upper connecting rod 4, the lower end of the lower connecting rod 5 is hinged to the wheel frame 3, the push-up hand frame 1, the lower bracket 2, the wheel frame 3, the upper connecting rod 4 and the lower connecting rod 5 form a foldable or unfolding connecting rod mechanism, in this embodiment, the connecting rod mechanism is in a four-bar shape, and can be locked or unlocked by the connecting rod rotation control device 40, so that rapid folding or unfolding is realized, and folding is convenient, and folding is simple and rapid.
Preferably, as shown in the figure, the rear side of the wheel carrier 3 is configured with a rear wheel set 6, the rear wheel set 6 is slidably disposed at the rear side of the wheel carrier 3 through a sliding rod set 61, the lower connecting rod 5 is connected to the sliding rod set 61 through a connecting rod assembly, when the connecting rod mechanism is folded or unfolded, the lower connecting rod 5 can drive the rear wheel set 6 to slidably retract or extend through the connecting rod assembly and the sliding rod set 61, no additional control or unlocking is needed, folding is more convenient and quick, and the occupied space of folding can be reduced.
Preferably, as shown in the figure, the link assembly comprises a rear wheel link 62, the wheel carrier 3 is provided with a hinged support 33, the lower end of the lower link 5 is hinged on the hinged support 33, the lower end of the lower link 5 extends beyond the hinged point to be provided with a swing arm 51, one end of the rear wheel link 62 is hinged to the swing arm 51, the other end of the rear wheel link 62 is hinged to the sliding rod group 61, so that the link mechanism can drive the rear wheel group 6 to slide, when the rear wheel link 62 is folded, the swing arm 51 swings clockwise, and when the rear wheel link 62 is unfolded, the swing arm 51 swings anticlockwise, and when the rear wheel link 62 is unfolded, the rear wheel group is pushed to extend, so that an unfolded state is formed.
Of course, in the specific implementation, the link assembly may also be composed of three or more sets of links, which are not described in detail herein.
Preferably, in this embodiment, the end of the rear wheel link 62 is hinged to the sliding rod set 61 by a connecting pin 621, and a sliding slot 31 capable of sliding the connecting pin 621 back and forth is formed on the wheel frame 3 to locate the sliding position of the sliding rod set 61, i.e. the whole link mechanism, to form a supporting structure.
Preferably, the front side of the wheel frame 3 is configured with a front wheel set 7, the front wheel set 7 includes a cross bar 71, the cross bar 71 is rotatably disposed at the front end of the wheel frame 3, preferably, in this embodiment, a connecting bent arm 72 is disposed in the middle of the cross bar 71, a rotation hole 721 is disposed at an end of the connecting bent arm 72, a rotation seat 32 is disposed in the middle of the front end of the wheel frame 3, a rotation shaft 321 matched with the rotation hole 721 is disposed in the middle of the rear end of the rotation seat 32, a hinge seat 22 is disposed at the lower end of the lower bracket 2, and the hinge seat 22 is hinged to the front end of the rotation seat 32.
Preferably, a connecting device is arranged between the link mechanism and the cross bar 71, when the link mechanism is folded or unfolded, the connecting device can drive the cross bar 71 and the front wheel set 7 to rotate and fold or unfold, additional control or unlocking is not needed, folding is more convenient and quick, and the front wheel set 7 rotates to the inner side of the wheel frame 3 when folding, so that the occupied space of folding can be further reduced.
Preferably, the connecting device comprises a first driving tooth set 81 arranged at the lower end of the lower bracket 2 and a second driving tooth set 82 arranged at the end part of the connecting bent arm 72 of the cross rod 71, the first driving tooth set 81 and the second driving tooth set 82 are meshed with each other, when the connecting rod mechanism is folded or unfolded, the lower end of the lower bracket 2 rotates, the cross rod 71 and the front wheel set 7 are driven to rotate and fold or unfold through the cooperation of the first driving tooth set 81 and the second driving tooth set 82, the linkage storage of the front wheel set 7 can be realized, additional control is not needed, and similarly, when the front wheel set 7 is unfolded, the first driving tooth set 81 reversely drives the second driving tooth set 82.
In addition, the connecting device may also be a connecting rod mechanism, including a front wheel driving connecting rod, one end of the front wheel driving connecting rod is hinged at a position where the cross rod 71 deviates from the rotation center, the other end of the front wheel driving connecting rod is hinged on the lower bracket 2, the upper connecting rod 4 or the lower connecting rod 5, when the connecting rod mechanism is folded or unfolded, the lower bracket 2, the upper connecting rod 4 or the lower connecting rod 5 is displaced, the cross rod 71 and the front wheel group 7 are driven by the front wheel driving connecting rod to rotate and fold or unfold, preferably, the front wheel driving connecting rod is hinged on the upper connecting rod 4 or the lower connecting rod 5, the displacement distance is larger when the upper connecting rod 4 or the lower connecting rod 5 is folded, and the requirement of rotating and folding of the front wheel group 7 can be met.
In the present invention, the link rotation control device 40 may be an independently controlled rotation locking structure, such as a push button locking structure or a knob cam pressing structure, so as to lock and unlock the rotation mechanism.
In this embodiment, a linkage unlocking structure controlled by an upper portion is preferably adopted, the lower end of the push-up hand frame 1 is hinged with the upper end of the lower bracket 2, a rotation control device 20 is arranged between the push-up hand frame 1 and the lower bracket 2, the push-up hand frame 1 comprises a sleeve 11 and a push-up hand pipe 12 which is slidably inserted on the sleeve 11, and a sliding positioning device 13 is arranged between the sleeve 11 and the push-up hand pipe 12.
When the sliding positioning device 13 is unlocked, the upward pushing hand tube 12 slides downwards to trigger the rotation control device 20 to unlock, and when the upward pushing hand frame 1 rotates relative to the lower bracket 2, the connecting rod rotation control device 40 can be triggered to unlock, so that the connecting rod mechanism can perform folding action, namely, the folding unlocking of the whole frame can be completed through the unlocking of the upper sliding positioning device 13, and the unlocking is convenient and quick.
In the present invention, the sliding positioning device 13 may be a common push-type bayonet lock, a marble positioning mechanism, etc., and in this embodiment, an upper control mode is preferably adopted, and a cable connection is preferably adopted in the upper control mode, and the control mode may adopt a rotary handle to pull the cable or a push button to pull the cable.
As shown in the drawings, preferably, the sliding positioning device 13 includes a button mechanism 131 disposed on the upper push tube 12, a sliding seat 132 fixedly disposed at the lower end of the upper push tube 12, a sliding block 133 longitudinally slidably disposed on the sliding seat 132, and a limiting plate 134 laterally slidably disposed on the sliding seat 132, the button mechanism 131 is connected to the sliding block 133 through a cable 135, the button mechanism 131 is pressed to drive the sliding block 133 to slide upwards through the cable 135, a sliding block inclined surface structure 136 is disposed on the sliding block 133, a guiding post 137 matching with the sliding block inclined surface structure 136 is disposed on the limiting plate 134, and at least one limiting hole 138 matching with the limiting plate 134 is disposed on the sleeve 11, when the sliding block 133 slides upwards, the limiting plate 134 is driven to move laterally to be separated from the limiting hole 138 through the sliding block inclined surface structure 136, so as to unlock the sliding positioning device 13, so that the upper push tube 12 can slide relatively to the sleeve 11.
Preferably, a limiting plate return spring is disposed between the limiting plate 134 and the slider 133, and provides an outward elastic pressing force for the limiting plate 134, when the limiting plate 134 corresponds to the limiting hole 138 and the button mechanism 131 is not pressed, the limiting plate 134 can automatically pop up to the clamping limiting hole 138, so as to form a locking structure.
As shown in fig. 7, the button mechanism 131 includes a button housing 131a, a button 131b, and a fixed block 131c, in this embodiment, the button housing 131a is a combined housing, and two pieces are formed, the button 131b is slidably disposed on the button housing 131a and configured with a button return spring, preferably, a hook 131f for preventing the button 131b from sliding out is disposed on the button 131b, the fixed block 131c is fixed in the button housing 131a, a transverse chute 131d is disposed on the fixed block 131c, a sliding pin inserted into the transverse chute 131d is disposed at an end of the cable, an oblique chute 131e is disposed on the button 131b, two ends of the sliding pin penetrate into the oblique chute 131e, the pressing button 131b can drive the sliding pin to move so as to pull the cable through cooperation of the oblique chute 131e and the transverse chute 131d, and in addition, a top pressing block can be disposed directly below the button 131b, and the cable is pressed under the fixed pressing block, and the top pressing block is pressed down when the cable is pressed, the cable is also capable of pulling the cable.
Preferably, a push-up hand joint 14 is disposed at the lower end of the sleeve 11, a lower bracket joint 23 is disposed at the upper end of the lower bracket 2, the push-up hand joint 14 and the lower bracket joint 23 are hinged to each other, the rotation control device 20 includes a trigger piece 201 and a locking post 202, the trigger piece 201 is slidably disposed on the push-up hand joint 14, and the upper end of the trigger piece 201 protrudes from the upper end surface of the push-up hand joint 14.
When the push-up handle tube 12 moves downwards, the trigger piece 201 can be pushed to move downwards, the locking column 202 is slidably arranged on the lower bracket joint 23, a sliding groove matched with the locking column 202 is formed in the push-up handle joint 14, the sliding groove comprises a radially extending locking section 141 and a circumferentially extending sliding section 142, and a trigger piece inclined surface structure 203 matched with the locking column 202 is arranged at the lower end of the trigger piece 201.
When not unlocked, the end of the locking column 202 is inserted into the locking section 141, when the trigger piece 201 moves down, the locking column 202 can be driven to slide towards the sliding section 142 through the trigger piece inclined surface structure 203, and when the end of the locking column 202 slides into the sliding section 142, the push-up hand frame 1 and the lower bracket 2 can rotate relatively, so that the function that the push-up hand pipe 12 slides down can trigger the rotation control device 20 to unlock can be realized.
Preferably, a locking post return spring is disposed between the locking post 202 and the lower bracket joint 23, and the locking post return spring provides a radial elastic force for the locking post 202, so that when the trigger piece 201 is not pushed, and when the upper push hand joint 14 and the lower bracket joint 23 are unfolded, the locking post 202 can be automatically clamped into the locking section 141 to form a locking structure.
Of course, in the implementation process, the rotation control device 20 may use a common control mechanism in a stroller, such as a mechanism that a key is locked, and the trigger piece 201 is configured to correspond to the key, so that the key is unlocked by pressing the trigger piece 201 when the handle tube 12 is pushed up, which will not be described in detail herein.
Preferably, in the present embodiment, the handrail further comprises a handrail tube 24, an end portion of the handrail tube 24 is provided with a handrail joint 241, the handrail joint 241 is rotatably disposed on the lower bracket joint 23, a locking pin 242 is disposed at a position of the handrail joint 241 deviating from the rotation center and extends toward the lower bracket joint 23, a first arc-shaped groove 251 and a second arc-shaped groove 252 are disposed on the lower bracket joint 23 and the upper pushing hand joint 14, respectively, and the locking pin 242 sequentially passes through the first arc-shaped groove 251 and the second arc-shaped groove 252.
As shown, when the push-up hand rest 1 and the lower bracket 2 are rotated and unfolded, the first arc-shaped groove 251 and the second arc-shaped groove 252 relatively slide away and are staggered, so that the sliding distance of the locking pin 242 is reduced, and the position of the locking pin 242 is finally limited, and the handrail tube 24 is positioned; when the push-up hand rest 1 and the lower bracket 2 are pivoted to be folded, the first arc-shaped groove 251 and the second arc-shaped groove 252 are relatively close to be overlapped, and the sliding distance of the locking pin 242 is increased, so that the handrail tube 24 can be pivoted to be folded.
Namely, through the relative rotation of the first arc-shaped groove 251 and the second arc-shaped groove 252 on the lower bracket joint 23 and the upper pushing hand joint 14, the staggered positioning holes are formed to lock the handrail tube 24, or the overlapped arc-shaped grooves are formed to realize the rotation folding of the handrail tube 24, an additional unlocking control structure is not needed, the folding is convenient, and the volume after folding is smaller.
Preferably, as shown in the figure, an upper pushing hand joint 14 is disposed at the lower end of the sleeve 11, a lower bracket joint 23 is disposed at the upper end of the lower bracket 2, the link rotation control device 40 includes a clamping block 41 slidably disposed on the lower bracket 2 and a push rod 42 disposed on the clamping block 41, the lower end of the clamping block 41 is disposed on a clamping structure capable of being mutually clamped with the end of the upper link 4, a cam structure 143 is disposed outside the upper pushing hand joint 14, an elastic pushing member is disposed between the push rod 42 and the lower bracket 2, and the upper end of the push rod 42 passes through the lower bracket joint 23 and is pushed against the cam structure 143 outside the upper pushing hand joint 14 by the elastic pushing member.
When the upper pushing hand frame 1 and the lower bracket 2 are unfolded, the push rod 42 is pushed against the protruding part of the cam structure 143, so that the lower end of the clamping block 41 and the end part of the upper connecting rod 4 are clamped with each other, when the upper pushing hand frame 1 and the lower bracket 2 are rotated and folded, the push rod 42 is separated from the protruding part of the cam structure 143, the push rod 42 and the clamping block 41 move upwards, so that the lower end of the clamping block 41 is separated from the end part of the upper connecting rod 4, the upper connecting rod 4 can rotate, and the unlocking of the connecting rod rotation control device 40 when the upper pushing hand joint 14 and the lower bracket joint 23 relatively rotate can be realized, so that the whole connecting rod mechanism is unlocked, and the folding function is realized.
In addition, a cable mechanism may be further disposed between the upper push handle joint 14 and the lower bracket joint 23, and when the upper push handle joint 14 and the lower bracket joint 23 rotate relatively, the cable may be pulled to unlock the link rotation control device 40, and in addition, the push rod 42 may also cooperate with the link rotation control device 40 of the push button locking structure or the knob cam pressing structure to push the push button or the knob to unlock, which will not be described in detail herein.
Preferably, in this embodiment, the lower end of the clamping block 41 is a concave structure 411, and the end of the upper link 4 is a convex structure 412 matched with the concave structure 411, so that when the clamping block 41 moves down, the concave structure 411 and the convex structure 412 are matched to form a locking structure, and when the clamping block 41 moves up, the concave structure 411 and the convex structure 412 are separated and unlocked.
Preferably, in this embodiment, the elastic pushing member is a tension spring, which is disposed between the pushing rod 42 and the lower bracket 2, and a pressing spring may be used, which will not be described in detail herein.
Preferably, in this embodiment, the push rod 42 is slidably disposed on the fixture block 41, a limiting pin 413 is disposed on the fixture block 41, and an elongated limiting chute 421 corresponding to the limiting pin 413 is disposed on the push rod 42, so that the push rod 42 and the fixture block 41 can slide a certain distance relatively, and a compression spring is disposed between the push rod 42 and the fixture block 41.
When the upper pushing hand joint 14 and the lower bracket joint 23 rotate to be fully unfolded, the protruding part of the cam structure 143 pushes the push rod 42 to move downwards, if the protruding structure 412 at the end part of the upper connecting rod 4 does not rotate to be unfolded, the clamping block 41 and the push rod 42 relatively move to shorten the distance, meanwhile, the clamping block 41 is pushed onto the end part of the upper connecting rod 4 through the compression spring, when the protruding structure 412 at the end part of the upper connecting rod 4 rotates to be unfolded, the concave structure 411 is automatically clamped into the protruding structure 412 through elasticity to form clamping, namely, an elastic stroke compressible structure is formed through the compression spring, so that the clamping caused when the frame is unfolded in a segmented mode is avoided.
Example two
Referring to fig. 16 and 17, fig. 16 and 17 are schematic structural views of a second embodiment of the present invention, and as shown in the drawings, in this embodiment, other positions are similar structures except for the first embodiment, which is different from the first embodiment, in the folding driving manner of the front wheel set 7.
In this embodiment, the connecting device may also be a link mechanism, and includes a front wheel driving link 83, where one end of the front wheel driving link 83 is hinged at a position where the cross bar 71 deviates from the rotation center, and the other end of the front wheel driving link 83 is hinged on the upper pushing frame 1, the lower bracket 2, the upper link 4 or the lower link 5, and when the link mechanism is folded or unfolded, the upper pushing frame 1, the lower bracket 2, the upper link 4 or the lower link 5 is displaced, and the cross bar 71 and the front wheel set 7 are driven by the front wheel driving link 83 to rotate and fold or unfold, preferably, the front wheel driving link 83 is hinged on the lower link 5, and the displacement distance of the lower link 5 is relatively suitable when the lower link 5 is folded, so as to meet the requirement of rotating and folding of the front wheel set 7.
While the preferred embodiment of the present invention has been illustrated and described, it will be understood by those skilled in the art that the present invention may be embodied in other specific forms and equivalents thereof without departing from the spirit of the invention.
Claims (7)
1. A ganged folding stroller, comprising:
Pushing up the hand rack (1);
the lower bracket (2) is arranged at the lower end of the upper pushing hand frame (1);
The front end of the wheel frame (3) is hinged with the lower end of the lower bracket (2);
The upper end of the upper connecting rod (4) rotates on the lower bracket (2), and a connecting rod rotation control device (40) is arranged between the upper connecting rod (4) and the lower bracket (2);
The upper end of the lower connecting rod (5) is hinged with the lower end of the upper connecting rod (4), and the lower end of the lower connecting rod (5) is hinged to the wheel frame (3);
The upper pushing hand frame (1), the lower bracket (2), the wheel frame (3), the upper connecting rod (4) and the lower connecting rod (5) form a connecting rod mechanism which can be folded or unfolded, and the connecting rod mechanism can be locked or unlocked through the connecting rod rotation control device (40);
The lower end of the upper pushing hand frame (1) is hinged with the upper end of the lower bracket (2), a rotation control device (20) is arranged between the upper pushing hand frame (1) and the lower bracket (2), the upper pushing hand frame (1) comprises a sleeve (11) and an upper pushing hand pipe (12) which is inserted on the sleeve (11) in a sliding manner, a sliding positioning device (13) is arranged between the sleeve (11) and the upper pushing hand pipe (12), when the sliding positioning device (13) is unlocked, the upper pushing hand pipe (12) slides downwards to trigger the rotation control device (20) to unlock, and when the upper pushing hand frame (1) and the lower bracket (2) rotate relatively, a connecting rod rotation control device (40) to unlock is triggered, so that a connecting rod mechanism can perform folding action;
The lower end of the sleeve (11) is provided with an upward pushing hand joint (14), the upper end of the lower bracket (2) is provided with a lower bracket joint (23), the upward pushing hand joint (14) and the lower bracket joint (23) are mutually hinged, the rotation control device (20) comprises a trigger piece (201) and a locking column (202), the trigger piece (201) is slidably arranged on the upward pushing hand joint (14), the upper end of the trigger piece (201) protrudes out of the upper end face of the upward pushing hand joint (14), when the upward pushing hand pipe (12) moves downwards, the trigger piece (201) can be pushed downwards, the locking column (202) is slidably arranged on the lower bracket joint (23), a sliding groove matched with the locking column (202) is formed in the upward pushing hand joint (14), the sliding groove comprises a radially extending locking section (141) and a sliding section (142) extending in the circumferential direction, the lower end of the trigger piece (201) is provided with a trigger piece inclined surface structure (203) matched with the locking column (202), when the locking section (202) moves downwards, the locking section (202) can be pushed downwards by pushing against the trigger piece (201) to the sliding surface (142) when the locking section (142) is inserted into the sliding section (142), the upper pushing hand frame (1) and the lower bracket (2) can rotate relatively;
The lower end of the sleeve (11) is provided with an upper pushing hand joint (14), the upper end of the lower bracket (2) is provided with a lower bracket joint (23), the connecting rod rotation control device (40) comprises a clamping block (41) arranged on the lower bracket (2) in a sliding way and a push rod (42) arranged on the clamping block (41), the lower end of the clamping block (41) is arranged on a clamping structure which can be mutually clamped with the end part of the upper connecting rod (4), the outer side of the upper pushing hand joint (14) is provided with a cam structure (143), an elastic pushing piece is arranged between the push rod (42) and the lower bracket (2), the upper end of the push rod (42) passes through the lower bracket joint (23) and is pushed against a cam structure (143) outside the upper pushing hand joint (14) through the elastic pushing piece, when the upper pushing hand bracket (1) and the lower bracket (2) are unfolded, the push rod (42) is pushed against a protruding part of the cam structure (143) so that the lower end part of the clamping block (41) and the end part of the upper connecting rod (4) are mutually clamped, and the upper pushing rod (4) are separated from the protruding part (41) when the upper pushing rod (2) and the upper end part (42) are folded, the upper connecting rod (4) can rotate.
2. A ganged folding buggy as set forth in claim 1, wherein: the rear side of the wheel carrier (3) is provided with a rear wheel group (6), the rear wheel group (6) is slidably arranged on the rear side of the wheel carrier (3) through a sliding rod group (61), the lower connecting rod (5) is connected to the sliding rod group (61) through a connecting rod assembly, and when the connecting rod mechanism is folded or unfolded, the lower connecting rod (5) can drive the rear wheel group (6) to slidably retract or extend through the connecting rod assembly and the sliding rod group (61).
3. A ganged folding buggy as claimed in claim 2, wherein: the connecting rod assembly comprises a rear wheel connecting rod (62), a swing arm (51) is arranged at the lower end of the lower connecting rod (5) in an extending mode, one end of the rear wheel connecting rod (62) is hinged to the swing arm (51), and the other end of the rear wheel connecting rod is hinged to the sliding rod group (61).
4. A ganged folding buggy as set forth in claim 1, wherein: the front side of the wheel carrier (3) is provided with a front wheel set (7), the front wheel set (7) comprises a cross rod (71), the cross rod (71) is rotatably arranged at the front end of the wheel carrier (3), a connecting device is arranged between the connecting rod mechanism and the cross rod (71), and when the connecting rod mechanism is folded or unfolded, the connecting device can drive the cross rod (71) and the front wheel set (7) to rotate to fold or unfold.
5. The ganged-folding stroller of claim 4, wherein: the connecting device comprises a first driving tooth group (81) arranged at the lower end of the lower bracket (2) and a second driving tooth group (82) arranged on the cross rod (71), wherein the first driving tooth group (81) and the second driving tooth group (82) are meshed with each other, when the connecting rod mechanism is folded or unfolded, the lower end of the lower bracket (2) rotates, and the cross rod (71) and the front wheel group (7) are driven to rotate and fold or unfold through the cooperation of the first driving tooth group (81) and the second driving tooth group (82).
6. A ganged folding buggy as set forth in claim 1, wherein: the sliding positioning device (13) comprises a button mechanism (131) arranged on the upper push handle pipe (12), a sliding seat (132) fixedly arranged at the lower end of the upper push handle pipe (12), a sliding block (133) longitudinally arranged on the sliding seat (132) in a sliding manner, and a limiting plate (134) transversely arranged on the sliding seat (132) in a sliding manner, wherein the button mechanism (131) is connected to the sliding block (133) through a guy cable (135), the button mechanism (131) is pressed to drive the sliding block (133) to slide upwards through the guy cable (135), a sliding block inclined surface structure (136) is arranged on the sliding block (133), a guide post (137) matched with the sliding block inclined surface structure (136) is arranged on the limiting plate (134), and at least one limiting hole (138) matched with the limiting plate (134) is arranged on the sleeve (11), so that the limiting plate (134) can be driven to move transversely to be separated from the limiting hole (138) through the sliding block inclined surface structure (136) when the sliding block (133) slides upwards, and the upper push handle pipe (12) can slide relatively to the sleeve (11).
7. A ganged folding buggy as set forth in claim 1, wherein: the hand rest comprises a lower bracket joint (23), and is characterized by further comprising a hand rest tube (24), wherein the end part of the hand rest tube (24) is provided with a hand rest joint (241), the hand rest joint (241) is rotatably arranged on the lower bracket joint (23), a locking pin (242) is arranged at the position of the hand rest joint (241) deviating from the rotation center in an extending manner in the direction of the lower bracket joint (23), the lower bracket joint (23) and the upper pushing hand joint (14) are respectively provided with a first arc-shaped groove (251) and a second arc-shaped groove (252), the locking pin (242) sequentially penetrates through the first arc-shaped groove (251) and the second arc-shaped groove (252), and when the upper pushing hand rest (1) and the lower bracket (2) are rotatably unfolded, the first arc-shaped groove (251) and the second arc-shaped groove (252) are relatively far away from sliding and staggered, so that the sliding distance of the locking pin (242) is shortened, the position of the locking pin (242) is finally limited, and the hand rest tube (24) is positioned; when the push-up hand frame (1) and the lower bracket (2) are rotationally folded, the first arc-shaped groove (251) and the second arc-shaped groove (252) are relatively close to each other, the sliding distance of the locking pin (242) is increased, and the handrail tube (24) can be rotationally folded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443016.3A CN107215379B (en) | 2017-06-13 | 2017-06-13 | Perambulator that stacks is received in linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443016.3A CN107215379B (en) | 2017-06-13 | 2017-06-13 | Perambulator that stacks is received in linkage |
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| Publication Number | Publication Date |
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| CN107215379A CN107215379A (en) | 2017-09-29 |
| CN107215379B true CN107215379B (en) | 2024-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710443016.3A Active CN107215379B (en) | 2017-06-13 | 2017-06-13 | Perambulator that stacks is received in linkage |
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| CN (1) | CN107215379B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327770A (en) * | 2018-03-07 | 2018-07-27 | 中山市特凯斯婴童用品有限公司 | Pushchair |
| CN111038561B (en) * | 2019-12-25 | 2023-05-09 | 阳江市飞轮金属制品有限公司 | Novel luggage van |
| CN112091097B (en) * | 2020-07-17 | 2022-07-12 | 太重（天津）滨海重型机械有限公司 | Four-rod type carrier roller device for stretching straightener |
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