Baby carriage with stair assisting function
阅读说明:本技术 一种具有楼梯辅上功能的婴儿车 (Baby carriage with stair assisting function ) 是由 佘娟 于 2019-08-15 设计创作,主要内容包括:本发明涉及婴儿车技术领域,具体涉及一种具有楼梯辅上功能的婴儿车,包括摇篮,还包括前轮行走机构和后轮自锁机构,所述摇篮的底部设有安装板,摇篮的一端设有倒U型扶手,安装板的底部设有倒T型延伸架,扶手的两端分别于延伸架的两端固定连接,前轮行走机构包括两个升降组件和两个前三轮行走组件,自锁机构包括H型后轮支架和自锁组件,后轮支架的底部两端分别设有后滚轮,两个后滚轮之间设有旋转导杆,后轮支架与延伸架之间设有固定支架,自锁组件设置在固定支架的底部,自锁组件的工作端与旋转导杆传动连接,该设备能够根据楼梯的高度进行爬楼,解决婴儿车在上楼时产生的不便,并且自带自锁组件,提高安全性。(The invention relates to the technical field of baby carriages, in particular to a baby carriage with a stair-climbing function, which comprises a cradle, a front wheel travelling mechanism and a rear wheel self-locking mechanism, wherein the bottom of the cradle is provided with a mounting plate, one end of the cradle is provided with an inverted U-shaped handrail, the bottom of the mounting plate is provided with an inverted T-shaped extension frame, two ends of the handrail are respectively and fixedly connected with two ends of the extension frame, the front wheel travelling mechanism comprises two lifting components and two front three-wheel travelling components, the self-locking mechanism comprises an H-shaped rear wheel bracket and a self-locking component, two ends of the bottom of the rear wheel bracket are respectively provided with a rear roller, a rotating guide rod is arranged between the two rear rollers, a fixed bracket is arranged between the rear wheel bracket and the extension frame, the self-locking component is arranged at the bottom of the fixed bracket, the working end of the self-locking component is in transmission connection with the rotating guide rod, the, and self-locking components are arranged, so that the safety is improved.)
1. A baby carriage with stair auxiliary function comprises a cradle (1) and is characterized in that: the cradle is characterized by further comprising a front wheel travelling mechanism and a rear wheel self-locking mechanism, wherein the bottom of the cradle (1) is provided with a mounting plate (2), one end of the cradle (1) is provided with an inverted U-shaped handrail (3), the bottom of the mounting plate (2) is provided with an inverted T-shaped connecting frame (4), two ends of the handrail (3) are respectively fixedly connected with two ends of the connecting frame (4), the front wheel travelling mechanism comprises two lifting components (5) and two front three-wheel travelling components (6), the two lifting components (5) are symmetrical and are arranged at one end of the bottom of the mounting plate (2) at intervals, each front three-wheel travelling component (6) is respectively arranged at the bottom of each lifting component (5), the self-locking mechanism comprises an H-shaped rear wheel support (7) and a self-locking component (8), one end of the rear wheel support (7) is fixedly connected with the bottom of the mounting plate (2), two ends of the bottom of the, be equipped with between two rear roller (9) rotating guide (10), the both ends of rotating guide (10) can the pivoted respectively run through the inner wall and the center department fixed connection of outer wall and every rear roller (9) of rear wheel support (7), be equipped with between rear wheel support (7) and link (4) fixed bolster (11), the both ends of fixed bolster (11) respectively with the center department fixed connection of rear wheel support (7) and rear wheel support (7), auto-lock subassembly (8) set up the bottom at fixed bolster (11), the work end and the rotating guide (10) transmission of auto-lock subassembly (8) are connected.
2. The stroller of claim 1, wherein: each lifting assembly (5) comprises an adjusting loop bar (12), an adjusting bar (13) and a bolt (14), the adjusting loop bar (12) is vertically arranged at the bottom of the mounting plate (2), the adjusting bar (13) can be arranged inside the adjusting loop bar (12) in a sliding manner, and the one end of adjusting pole (13) is extended to the outside of adjusting loop bar (12), be equipped with locking screw (15) that a plurality of set up along the vertical direction distribution of adjusting pole (13) on adjusting pole (13), the lower extreme one side of adjusting loop bar (12) is equipped with one can with every direction screw (16) of locking screw (15) one-to-one, bolt (14) set up the inside at direction screw (16), bolt (14) can extend to the inside of every locking screw (15) respectively, the lower extreme one side of adjusting pole (13) is equipped with spliced pole (17), the setting that can rotate of the inside of preceding tricycle running gear (6) is on spliced pole (17).
3. A stroller with stair-climbing functionality according to claim 2, wherein: every preceding tricycle running gear (6) includes A-frame (18) and three gyro wheel (19) respectively, A-frame (18) are vertical setting, three gyro wheel (19) are respectively vertical and can the pivoted setting in every corner of A-frame (18), the center department of A-frame (18) is equipped with the bearing, the one end of every hinge post can be the pivoted respectively insert the bearing inner circle of locating on every preceding tricycle running gear (6), the both ends of swivel guide arm (10) can the pivoted respectively insert the bearing inner circle of locating on every back tricycle running gear.
4. A stroller with stair-climbing functionality according to claim 3, wherein: the self-locking assembly (8) comprises an inverted U-shaped sleeve frame (20), a rotating rod (21), a locking column (22) and a locking box (23), the inverted U-shaped sleeve frame (20) is vertically arranged at the bottom of the fixed support (11), a first rotating sleeve (24) and a second rotating sleeve (25) are respectively arranged at two ends of the bottom of the inverted U-shaped support, the rotating rod (21) and the locking box (23) are respectively arranged in the inverted U-shaped sleeve frame (20), the locking box (23) is vertically and fixedly arranged on the inner side wall of the second rotating sleeve (25), the rotating rod (21) is horizontally arranged, one end of the rotating rod (21) can be slidably inserted into an inner ring of the first rotating sleeve (24), the locking column (22) is horizontally and fixedly arranged at one end, close to the locking box (23), a locking hole (26) capable of allowing the locking column (22) to pass through is formed in the locking box (23), two limiting blocks (27) capable of moving in opposite directions are arranged in the locking box (23), the adjacent one end of two stopper (27) is the arc structure, and the inside of locking case (23) is equipped with supplies gliding inside groove (28) of every stopper (27), and the inside of every inside groove (28) is equipped with first spring (29) respectively, and the both ends of every first spring (29) are contradicted with the inner wall of the one end of every stopper (27) and inside groove (28) respectively, are equipped with conflict grooving (30) that are used for supplying every limit slide to contradict on locking post (22).
5. The stroller of claim 4, wherein: be equipped with fixed cover (31) on bull stick (21), be equipped with on fixed cover (31) and fall U template (32), the inside of this falling U template (32) is equipped with main synchronizing wheel (33), this main synchronizing wheel (33) can the pivoted setting in the inside of falling U template (32), the center department of main synchronizing wheel (33) is equipped with the round hole of dodging that is used for dodging fixed cover (31), be equipped with a spacing on should dodging the round hole, be equipped with on fixed cover (31) and be used for supplying gliding spacing groove (34) of spacing, be equipped with vice synchronizing wheel (35) on rotatory guide arm (10), this vice synchronizing wheel (35) and rotatory guide arm (10) fixed connection, main synchronizing wheel (33) are connected through hold-in range and vice synchronizing wheel (35) transmission.
6. The stroller of claim 5, wherein: a second spring (36) is arranged at one end of the rotating rod (21) far away from the locking column (22), a clamping column (37) is also arranged at one end of the rotating rod (21) far away from the locking column (22), one end of the clamping column (37) is fixedly connected with one end of the rotating guide rod (10), two ends of the second spring (36) are respectively abutted against the clamping column (37) and the side wall of one of the extending sleeves, one end of the rotating rod (21) close to the fixed sleeve (31) is provided with a limiting column (38), one end of the limiting column (38) can be abutted against the inner wall of one of the two extending sleeves close to the second spring (36), one end of the fixing frame close to the clamping column (37) is provided with an extending frame (39), one end of the extending frame (39) is provided with a clamping rod (40), one end of the clamping rod (40) is hinged to one end of the extending frame (39), and a clamping groove (41) for clamping the clamping rod (40) is formed in the clamping column (37).
7. The stroller of claim 6, wherein: one side that the link is close to joint pole (40) is equipped with U type joint piece (42), and setting that the one end of joint pole (40) can be dismantled is on U type joint piece (42), the lateral wall fixed connection of the one end of U type joint piece (42) and link.
Technical Field
The invention relates to the technical field of a baby carriage, in particular to a baby carriage with a stair assisting function.
Background
The baby stroller is a transportation tool for babies, and can be moved only by being assisted by a person or pulled, the baby stroller generally comprises a sunshade, a seat cushion, a sleeping basket and a haze-proof cover, the service life of the baby stroller is generally three to five years, the age of a baby is considered during purchasing, the functions of the baby stroller are upgraded to sleeping, dining and playing, the baby stroller brings great convenience to life, and problems are caused, for example, the baby stroller is troublesome to use upstairs in a corridor without an elevator, although the baby stroller can be folded, one hand holds a baby, the other hand is difficult to take the baby stroller upstairs, the conventional baby stroller is usually locked by two universal wheels with self-locking functions behind the baby stroller when the wheels need to be locked, and the two universal wheels need to be manually locked when the wheels are locked, when forgetting that one universal wheel does not lock the universal wheel, the baby carriage can slide laterally, and the safety is low, a baby carriage with a stair assisting function is provided, so that the problem is solved.
Disclosure of Invention
The invention aims to provide a baby carriage with a stair assisting function, which can climb stairs according to the height of the stairs, solves the inconvenience caused by ascending the baby carriage, and is provided with a self-locking assembly to improve the safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a baby carriage with stair are assisted and are gone up function, including the cradle, still include front wheel running gear and rear wheel self-locking mechanism, the bottom of cradle is equipped with the mounting panel, the one end of cradle is equipped with the type of falling U handrail, the bottom of mounting panel is equipped with the type of falling T and extends the frame, the both ends of handrail are respectively in the both ends fixed connection of extending the frame, front wheel running gear includes two lifting unit and two front tricycle running gear, two lifting unit symmetry and interval set up the bottom one end at the mounting panel, every front tricycle running gear sets up respectively in the bottom of every lifting unit, self-locking mechanism includes H type rear wheel support and self-locking subassembly, the one end of rear wheel support is fixed connection with the bottom of mounting panel, the bottom both ends of rear wheel support are equipped with the rear roller respectively, be equipped with the rotation guide arm between two rear rollers, the both ends of rotation guide arm can rotate respectively run through the inner wall and the outer wall of rear wheel, a fixed support is arranged between the rear wheel support and the extension frame, two ends of the fixed support are respectively and fixedly connected with the centers of the rear wheel support and the rear wheel support, the self-locking assembly is arranged at the bottom of the fixed support, and the working end of the self-locking assembly is in transmission connection with the rotary guide rod.
Preferably, every lifting unit is including adjusting the loop bar respectively, adjust pole and bolt, it is vertical setting in the bottom of mounting panel to adjust the loop bar, adjust the inside that the pole can gliding setting is adjusting the loop bar, and the one end of adjusting the pole extends to the outside of adjusting the loop bar, be equipped with the locking screw that a plurality of distributed the setting along the vertical direction of adjusting the pole on the regulation pole, the lower extreme one side of adjusting the loop bar is equipped with one can with every locking screw one-to-one's direction screw, the bolt sets up the inside at the direction screw, the bolt can extend to the inside of every locking screw respectively, the lower extreme one side of adjusting the pole is equipped with the spliced pole, preceding tricycle running gear's inside can be rotatory setting on the spliced pole.
Preferably, every preceding tricycle running gear includes A-frame and three gyro wheel respectively, and the A-frame is vertical setting, and three gyro wheel is vertical respectively and can the pivoted setting in every corner of A-frame, and the center department of A-frame is equipped with the bearing, and the one end of every hinge post can the pivoted respectively insert the bearing inner circle of locating on every preceding tricycle running gear, and the both ends of rotatory guide arm can the pivoted respectively insert the bearing inner circle of locating on every back tricycle running gear.
Preferably, the self-locking assembly comprises an inverted U-shaped sleeve frame, a rotating rod, a locking column and a locking box, the inverted U-shaped sleeve frame is vertically arranged at the bottom of the fixed support, a first rotating sleeve and a second rotating sleeve are respectively arranged at two ends of the bottom of the inverted U-shaped support, the rotating rod and the locking box are respectively arranged inside the inverted U-shaped sleeve frame, the locking box is vertically and fixedly arranged on the inner side wall of the second rotating sleeve, the rotating rod is horizontally arranged, one end of the rotating rod can be slidably inserted into the inner ring of the first rotating sleeve, the locking column is horizontally and fixedly arranged at one end of the rotating rod close to the locking box, a locking hole for the locking column to pass through is formed in the locking box, two limiting blocks capable of moving in opposite directions are arranged inside the locking box, one end adjacent to the two limiting blocks is of an arc-shaped structure, an inner groove for each limiting block to slide is formed in the locking box, and a first spring is respectively arranged in each, the both ends of every first spring are contradicted with the one end of every stopper and the inner wall of inside groove respectively, are equipped with the conflict grooving that is used for supplying every spacing slider to contradict on the locking post.
Preferably, be equipped with fixed cover on the bull stick, be equipped with the board of falling the U on the fixed cover, the inside of this board of falling the U is equipped with the main synchronizing wheel, this main synchronizing wheel can the pivoted setting in the inside of the board of falling the U, the center department of main synchronizing wheel is equipped with the round hole of dodging that is used for dodging fixed cover, be equipped with a spacing on this dodging the round hole, fixed cover is equipped with and is used for supplying the gliding spacing groove of spacing, be equipped with vice synchronizing wheel on the rotating guide pole, this vice synchronizing wheel and rotating guide pole fixed connection, main synchronizing wheel passes through the hold-in range and is connected with.
Preferably, the one end that the locking post was kept away from to the bull stick is equipped with the second spring, the one end that the locking post was kept away from to the bull stick still is equipped with the joint post, the one end of this joint post and the one end fixed connection of rotating guide arm, the both ends of second spring are contradicted with joint post and one of them lateral wall that extends the cover respectively, the one end that is close to fixed cover on the bull stick is equipped with spacing post, the one end of this spacing post can be contradicted near the inner wall that one of them extension cover of second spring with two extension covers, the one end that is close to the joint post of mount is equipped with the extension frame, the one end that should extend the frame is equipped with the joint pole, the articulated one end that sets up at the extension frame of this joint pole, be equipped with.
Preferably, one side that the link is close to the joint pole is equipped with U type joint piece, and what the setting that the one end of joint pole can be dismantled is on U type joint piece, the lateral wall fixed connection of the one end of U type joint piece and link.
The invention has the beneficial effects that: a baby carriage with a stair assisting function can manually adjust the height of a front three-wheel assembly according to the height of a stair, a bolt is manually twisted, a dispensing rod is manually shifted, the adjusting rod is stretched in an adjusting sleeve rod until the adjusting rod is stretched to a required position and stops, then the bolt is manually twisted and is respectively locked with a guide screw hole and a locking screw hole in a threaded mode, when the baby carriage moves upstairs and downstairs, a triangular support rotates and drives three rollers to move in a crossed mode on the stair to form a stair climbing action, when the baby carriage moves upstairs or on a road, a clamping column is manually pushed, the clamping column respectively drives a rotating rod and the locking column to extend towards the inside of a locking box, after locking, a clamping rod is manually pulled, one end of the clamping rod is clamped with a clamping groove in the clamping column to be locked, and when locking is not needed, the clamping columns, the rotating rods and the locking columns are reset by the aid of the second springs, the limiting columns are abutted against the side wall of one extending sleeve for limiting, the U-shaped clamping blocks are made of elastic soft rubber materials and can clamp the clamping rods, when each rear roller moves, the rotating guide rods are driven to rotate at the same time, the main synchronizing wheel is driven to rotate by the rotating guide rods through the auxiliary synchronizing wheels, the main synchronizing wheel abuts against the limiting grooves in the fixing sleeves through the limiting strips, the fixing sleeves drive the rotating rods to rotate, the limiting grooves and the limiting strips are arranged, when the rotating rods and the locking columns move towards the inside of the locking box, the main synchronizing wheels cannot be influenced to move, when each rear roller is locked, the locking columns manually extend into the locking holes of the locking box, and the limiting grooves on the limiting blocks are abutted against the locking columns to lock by the limiting blocks due to the first spring limiting blocks, make the locking post unable rotation, make bull stick, main synchronizing wheel, vice synchronizing wheel, rotatory guide arm and every back gyro wheel simultaneously unable rotation, this equipment can climb the building according to the height of stair, solves the inconvenience that the perambulator produced when upstairs to from taking the auto-lock subassembly, improve safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a schematic perspective view illustrating a second embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is a partial perspective view of a self-locking assembly according to an embodiment of the present invention;
FIG. 5 is a partially exploded view of a lift assembly in accordance with one embodiment of the present invention;
FIG. 6 is a partial top view of a self-locking assembly according to one embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along A-A of FIG. 6 in accordance with one embodiment of the present invention;
in the figure: the cradle comprises a cradle 1, a mounting plate 2, a handrail 3, a connecting frame 4, a lifting assembly 5, a front three-wheel walking assembly 6, a rear wheel bracket 7, a self-locking assembly 8, a rear roller 9, a
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, a baby carriage with stair-climbing function, comprising a cradle 1, a front wheel traveling mechanism and a rear wheel self-locking mechanism, wherein a mounting plate 2 is arranged at the bottom of the cradle 1, an inverted U-shaped handrail 3 is arranged at one end of the cradle 1, an inverted T-shaped connecting frame 4 is arranged at the bottom of the mounting plate 2, two ends of the handrail 3 are fixedly connected with two ends of the connecting frame 4 respectively, the front wheel traveling mechanism comprises two lifting assemblies 5 and two front three-wheel traveling assemblies 6, the two lifting assemblies 5 are symmetrically arranged at one end of the bottom of the mounting plate 2 at intervals, each front three-wheel traveling assembly 6 is arranged at the bottom of each lifting assembly 5 respectively, the self-locking mechanism comprises an H-shaped rear wheel bracket 7 and a self-locking assembly 8, one end of the rear wheel bracket 7 is fixedly connected with the bottom of the mounting plate 2, rear rollers 9 are arranged at two ends of the bottom of the rear wheel bracket 7 respectively, a, the both ends of
Each lifting assembly 5 comprises an adjusting
Every preceding tricycle running gear 6 includes A-frame 18 and three
Each lifting assembly 5 comprises an adjusting
Every preceding tricycle running gear 6 includes A-frame 18 and three
The self-locking assembly 8 comprises an inverted
The rotating
A
One side that the link is close to joint pole 40 is equipped with U
The working principle is as follows: according to the height of the stair, the height of the front three-wheel assembly can be manually adjusted, the
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
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