CN105857375A - Stroller frame - Google Patents
Stroller frame Download PDFInfo
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- CN105857375A CN105857375A CN201510031530.7A CN201510031530A CN105857375A CN 105857375 A CN105857375 A CN 105857375A CN 201510031530 A CN201510031530 A CN 201510031530A CN 105857375 A CN105857375 A CN 105857375A
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- frame body
- frame
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- piece
- sliding
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Abstract
The invention discloses a stroller frame and relates to the technical field of baby products. The technical problems that existing stroller frames are unsafe and inconvenient to fold are solved. According to the stroller frame, when a first frame body moves to an unfolding position from a folding position, the first frame body and a second frame body can drive a supporting piece, so that a rotating connection part of the supporting piece rotates to the unfolding position from the folding position, and a sliding connection part of the supporting piece slides to the unfolding position from the folding position within the width range of the stroller frame in the preset sliding direction; and when the first frame body moves to the folding position from the unfolding position, the first frame body and the second frame body can drive the supporting piece, so that the rotating connection part of the supporting piece rotates to the folding position from the unfolding position, and the sliding connection part of the supporting piece slides to the folding position from the unfolding position within the width range of the stroller frame in the reverse direction of the preset sliding direction. The stroller frame is used for simplifying the structure of a stroller and the safety and convenience of folding of the stroller frame are improved.
Description
Technical Field
The invention relates to the technical field of baby products, in particular to a baby carriage frame.
Background
The baby carriage frame provided by the prior art is provided with the supporting rod capable of sliding along the length direction of the frame or the supporting rod capable of being bent between the push handle rod and the underframe pipe, and when the frame structure is folded, a clamping gap is easily formed between the push handle rod and the underframe pipe as well as between the push handle rod and the supporting rod. In the prior art, a frame supported by two quadrilateral link mechanisms capable of being locked with each other is arranged between a push handle rod and an underframe pipe, the structure is complicated, the connection relation and the connection position between rod pieces are different, and thus the folding principle and the folding mode are different.
The applicant found that: the prior art at least has the following technical problems:
the prior baby carriage frame has the technical problems of poor safety and inconvenient folding.
Disclosure of Invention
The invention provides a baby carriage frame and solves the technical problems that an existing baby carriage frame is poor in safety and inconvenient to fold. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the baby carriage frame provided by the embodiment of the invention comprises a first frame body, a second frame body and a supporting piece, wherein:
the support piece is provided with a rotating connecting part and a sliding connecting part;
the first frame body is movably connected with the second frame body, one of the first frame body and the second frame body is rotatably connected with the rotating connecting part of the supporting piece, and the other of the first frame body and the second frame body is slidably connected with the sliding connecting part of the supporting piece;
when the first frame body moves from the folding position to the unfolding position relative to the second frame body, the first frame body and the second frame body can drive the supporting piece, so that the rotating connecting part of the supporting piece rotates around the rotating axis from the folding position to the unfolding position, and the sliding connecting part of the supporting piece slides from the folding position to the unfolding position along a preset sliding direction within the width range of the baby carriage frame; the preset sliding direction is a width direction of the stroller frame or a direction between the width direction of the stroller frame and a length direction of the stroller frame (the preset sliding direction does not include the length direction of the stroller frame);
when the first frame body moves from the unfolding position to the folding position relative to the second frame body, the first frame body and the second frame body can drive the supporting piece, so that the rotating connecting part of the supporting piece rotates around the rotating axis from the unfolding position to the folding position, and the sliding connecting part of the supporting piece slides from the unfolding position to the folding position along the direction opposite to the preset sliding direction within the width range of the baby carriage frame.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs of the present invention, the stroller frame further comprises a locking structure disposed between the support and the first frame body or between the support and the second frame body, wherein:
when the first frame body moves from a folding position to an unfolding position relative to the second frame body, the locking structure can lock the supporting piece on the first frame body and/or the second frame body; the locking is released (the locking structure to the support member) and the first frame is movable relative to the second frame from an expanded position to a collapsed position.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs of the present invention, the locking structure includes a locking groove, an elastic member, a hook, and an unlocking driving device, wherein:
the clamping groove is arranged on the sliding connecting part of the supporting piece;
the hook is rotatably connected with the first frame body or the second frame body;
when the first frame body moves to the unfolding position from the folding position relative to the second frame body, the first frame body and the second frame body can drive the supporting piece to enable the sliding connection part to jack up the hook to drive the elastic piece to deform along the preset direction and enable the hook head of the hook to fall into the position hooked with the clamping groove of the sliding connection part, and the elastic force applied by the elastic piece to the hook can enable the hook head of the hook to be kept at the position hooked with the clamping groove of the sliding connection part;
the unlocking driving device is connected with the hook and can drive the hook and drive the elastic piece to deform along the preset direction through the hook so as to drive the hook to unhook the clamping groove.
As a further optimization of any of the solutions provided in the foregoing or following paragraphs of the present invention, the unlocking driving device includes a pulling member, an elastic body, a driving member, and a mounting seat, wherein:
the traction piece is connected with the driving piece, a sliding groove is formed in the mounting seat, the driving piece is embedded in the sliding groove and can slide in the sliding groove, and the elastic body is arranged between the driving piece and the mounting seat;
the driving piece is provided with a driving groove, and the bottom surface of the driving groove is provided with a first limiting plane, a second limiting plane and a slope surface which is smoothly connected between the first limiting plane and the second limiting plane; the first limiting plane is parallel to the second limiting plane;
when the traction piece is operated and the traction piece drives the driving piece to move from an initial position to a position for driving the hook to release the hooking of the clamping groove, the bottom surface of the driving groove slides from a position where the second limit plane is abutted against the tail end of the hook to a position where the first limit plane is abutted against the tail end of the hook, and the driving piece drives the elastic piece to deform (through the hook) and/or drives the elastic body to deform;
when the operation of the traction piece is released, the driving piece resets to the initial position under the elastic action of the elastic body, and the bottom surface of the driving groove slides to the position where the second limiting plane abuts against the tail end of the hook from the position where the first limiting plane abuts against the tail end of the hook.
As a further optimization of any technical solution provided in the foregoing or following paragraphs, the first frame body includes a left push handle rod, a right push handle rod, and a push handle cross-connecting rod connected between the left push handle rod and the right push handle rod, the rotary connecting portion of the supporting member is rotatably connected with the second frame body, and the sliding connecting portion of the supporting member is slidably connected with the push handle cross-connecting rod.
As a further optimization of any one of the technical solutions provided in the foregoing or following paragraphs of the present invention, a length direction of the push handle cross bar is perpendicular to a length direction of the first frame body or the second frame body.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs of the present invention, the number of the push handle cross links is two, and the support member includes a first support member and a second support member, wherein:
the rotating connecting part of the first supporting part is rotatably connected with the second frame body, and the sliding connecting part of the first supporting part is in sliding connection with one of the push handle transverse connecting rods;
the rotating connecting part of the second supporting piece is rotatably connected with the second frame body, and the sliding connecting part of the second supporting piece is slidably connected with the other push handle transverse connecting rod.
As a further optimization of any technical solution provided in the foregoing or following paragraphs, the second frame body includes a left chassis bar, a right chassis bar, and a chassis cross-connecting rod connected between the left chassis bar and the right chassis bar, the rotating connection portion of the supporting member is rotatably connected with the first frame body, and the sliding connection portion of the supporting member is slidably connected with the chassis cross-connecting rod.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs, a length direction of the chassis cross-link is perpendicular to a length direction of the first frame or the second frame.
As a further optimization of any of the previous or following solutions of the present invention, the number of the base frame cross links is two, and the support comprises a first support and a second support, wherein:
the rotating connecting part of the first supporting part is rotatably connected with the first frame body, and the sliding connecting part of the first supporting part is slidably connected with one of the chassis transverse connecting rods;
the rotating connecting part of the second supporting piece is rotatably connected with the first frame body, and the sliding connecting part of the second supporting piece is slidably connected with the other chassis transverse connecting rod.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs of the present invention, the rotation axes include a first rotation axis and a second rotation axis perpendicular to the first rotation axis or having an acute or obtuse included angle with the first rotation axis; the first support body and the second support body can drive the support piece, so that the rotating connecting portion of the support piece simultaneously rotates around the first rotating axis and the second rotating axis from the folding position to the unfolding position or rotates from the unfolding position to the folding position.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs, the rotational connection portion of the support and one of the first frame body and the second frame body forms the rotatable connection through a rotational connection structure, the rotational connection structure includes a first rotating seat and a second rotating seat, wherein:
one of the first frame body and the second frame body is rotatably connected with one end of the first rotating seat, and the first rotating seat can rotate around the first rotating axis relative to the first frame body or the second frame body which is rotatably connected with the first rotating seat;
wherein the other end of first rotation seat with wherein one end of second rotation seat is rotated and is connected, just the second rotates the seat and can wind second axis of rotation for first rotation seat rotates, wherein the other end of second rotation seat with support piece is connected.
As a further optimization of any technical solution provided in the foregoing or following paragraphs, a mounting groove is provided on the first rotating seat, and one end of the second rotating seat is embedded in the mounting groove and is rotatably connected with an inner wall of the mounting groove.
As a further optimization of any technical solution provided in the foregoing or following paragraphs, the sliding connection portion of the supporting member is in a sleeve shape and is sleeved on the first frame body or the second frame body; or,
the sliding connection part of the support piece is in an inserted bar shape, a sliding groove is arranged on the first frame body or the second frame body, and the sliding connection part of the support piece is inserted in the sliding groove and can slide in the sliding groove.
As a further optimization of any of the technical solutions provided in the foregoing or following paragraphs of the present invention, the first frame body is connected with the front wheel set, and the second frame body is connected with the front wheel set and the rear wheel set.
As a further optimization of any one of the technical solutions provided in the foregoing or following paragraphs of the present invention, a width direction of the stroller frame is coincident with or parallel to a width direction of the first frame body or a width direction of the second frame body.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
in the stroller frame provided by the embodiment of the invention, the support member is adjusted to the unfolding position to support the first frame body and the second frame body, the support member is connected with the first frame body and the second frame body in a sliding connection and rotating connection manner, the connection structure is simple and compact, the support member can be linked with the first frame body and the second frame body, no external force is required to be applied to drive the support member independently, and the stroller frame is more convenient to fold, in addition, the sliding connection part of the support member can slide from the unfolding position to the folding position along a preset sliding direction (such as the width direction of the stroller frame) in the width range of the stroller frame, the idle space in the width range of the stroller frame is fully utilized, and the clamping gap is not easy to occur at the edge position in the width direction of the stroller frame (preferably between the left push handle rod and the left chassis rod and between the right push handle rod and the right chassis rod), the probability of the hand clamping phenomenon is low, so that the folding is more convenient, the safety is better, and the technical problems of poor safety and inconvenient folding of the existing baby carriage frame are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a stroller frame according to an embodiment of the present invention in an expanded state;
FIG. 2 is another schematic view of a stroller frame according to an embodiment of the present invention in a deployed position;
FIG. 3 is a further schematic view of a stroller frame according to an embodiment of the present invention in an expanded configuration;
fig. 4 is a schematic view of a stroller frame according to an embodiment of the present invention in a folded state;
FIG. 5 is a schematic view of a stroller frame according to another embodiment of the present invention in a deployed configuration;
FIG. 6 is another schematic view of a stroller frame according to another embodiment of the present invention in a deployed configuration;
FIG. 7 is a schematic cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is an enlarged schematic view at A of FIG. 8;
FIG. 10 is an enlarged schematic view of the stroller frame in a deployed configuration with the locking structure provided in accordance with an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view taken along line C-C of FIG. 10;
FIG. 12 is a schematic cross-sectional view taken along line D-D of FIG. 11;
FIG. 13 is a schematic view of a stroller frame according to yet another embodiment of the present invention in an expanded configuration;
fig. 14 is a schematic view of a stroller frame according to another embodiment of the present invention in a folded state;
reference numerals: 1. a first frame body; 11. a handle pushing rod; 111. a left push handle rod; 112. a right push handle rod; 12. a push handle transverse connecting rod; 2. a second frame body; 21. a chassis bar; 211. a left chassis bar; 212. a right chassis bar; 22. a chassis cross link; 3. a support member; 301. a first support member; 302. a second support member; 31. a rotation connecting part; 32. a sliding connection portion; 4. a locking structure; 41. a card slot; 42. an elastic member; 43. hooking; 431. a tail end; 44. unlocking the driving device; 441. a traction member; 442. an elastomer; 443. a drive member; 445. a drive slot; 451. a first limit plane; 452. a second limit plane; 453. a slope surface; 444. a mounting seat; 51. a first rotating base; 521. installing a groove; 52. a second rotating base; 61. a front wheel set; 62. a rear wheel set.
Detailed Description
The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 to 14 and the text. The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings, in which some alternative embodiments of the invention are shown. It should be noted that: any technical features and any technical solutions in the present embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaustively enumerate all the alternative technical features and alternative technical solutions of the present invention, and is also not convenient for each embodiment of the technical features to emphasize it as one of various optional embodiments, so those skilled in the art should know that: any technical means provided by the invention can be replaced or any two or more technical means or technical characteristics provided by the invention can be combined with each other to obtain a new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without inventive efforts and new technical solutions that can be obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present invention with each other.
The embodiment of the invention provides a baby carriage frame which is simple in structure, convenient to fold and not easy to clamp hands.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 14.
As shown in fig. 1 to 14, the stroller frame according to the embodiment of the present invention includes a first frame body 1, a second frame body 2 and a support 3, wherein:
the support 3 is provided with a rotation coupling portion 31 and a slide coupling portion 32.
The first frame body 1 is movably connected with the second frame body 2, one of the first frame body 1 and the second frame body 2 is rotatably connected with the rotating connecting part 31 of the supporting piece 3, and the other of the first frame body 1 and the second frame body 2 is slidably connected with the sliding connecting part 32 of the supporting piece 3.
When the first frame body 1 moves from the folded position to the unfolded position relative to the second frame body 2, the first frame body 1 and the second frame body 2 can drive the supporting member 3, so that the rotating connecting portion 31 of the supporting member 3 rotates around the rotating axis from the folded position to the unfolded position, and the sliding connecting portion 32 of the supporting member 3 slides along a preset sliding direction from the folded position to the unfolded position within the width range of the stroller frame. The preset sliding direction is a width direction of the stroller frame (which can be understood as a left-right direction in fig. 3) or a direction between the width direction of the stroller frame and a length direction of the stroller frame (the preset sliding direction does not include the length direction);
when the first frame body 1 moves from the unfolded position to the folded position relative to the second frame body 2, the first frame body 1 and the second frame body 2 can drive the supporting member 3, so that the rotating connecting portion 31 of the supporting member 3 rotates around the rotating axis from the unfolded position to the folded position, and the sliding connecting portion 32 of the supporting member 3 slides along the direction opposite to the preset sliding direction within the width range of the stroller frame from the unfolded position to the folded position.
In the stroller frame provided by the embodiment of the invention, the support member 3 is adjusted to the unfolding position to support the first frame body 1 and the second frame body 2, the support member 3 is connected with the first frame body 1 and the second frame body 2 in a sliding connection and rotating connection manner, the connection structure is simple and compact, the support member 3 can be linked with the first frame body 1 and the second frame body 2, no external force is required to be independently applied to drive the support member 3, and the stroller frame is more convenient to fold, in addition, the sliding connection part 32 of the support member 3 can slide from the unfolding position to the folding position along a preset sliding direction (such as the width direction of the stroller frame) in the width range of the stroller frame, so that an idle space in the width range of the stroller frame is fully utilized, and the clamping gap is not easy to occur at the edge position in the width direction of the stroller frame (preferably between the left push handle rod and the left chassis rod and between the right push handle rod and the right chassis rod), the probability of the hand clamping phenomenon is lower, so that the folding is more convenient, and the safety is better.
As a further optimization of any technical solution of the present invention, the stroller frame further includes a locking structure 4 disposed between the support 3 and the first frame body 1 or between the support 3 and the second frame body 2, wherein:
when the first frame body 1 moves from the folded position to the unfolded position relative to the second frame body 2, the locking structure 4 can lock the supporting member 3 on the first frame body 1 and/or the second frame body 2. The first frame 1 can be moved from the unfolded position to the folded position relative to the second frame 2 by releasing the locking (of the support 3 by the locking structure 4).
The locking structure 4 allows the stroller frame provided by the present invention to be securely and securely unfolded for receiving an infant or an article.
As a further optimization of any technical solution of the present invention, the locking structure 4 includes a locking slot 41, an elastic member 42, a hook 43 and an unlocking driving device 44, wherein:
the catching groove 41 is provided on the sliding connection portion 32 of the support 3.
The hook 43 is rotatably connected with the first frame body 1 or the second frame body 2.
When the first frame body 1 moves from the retracted position to the extended position relative to the second frame body 2, the first frame body 1 and the second frame body 2 can drive the supporting member 3, so that the sliding connection portion 32 jacks up the hook 43 to drive the elastic member 42 to deform along the predetermined direction, and the hook head of the hook 43 falls into a position hooked with the slot 41 of the sliding connection portion 32, (when the hook head of the hook 43 falls into a position hooked with the slot 41 of the sliding connection portion 32), the elastic member 42 applies an elastic force to the hook (43) to keep the hook head of the hook (43) at the position hooked with the slot 41 of the sliding connection portion 32.
The unlocking driving device 44 is connected with the hook 43, and the unlocking driving device 44 can drive the hook 43 and drive the elastic member 42 to deform along a preset direction through the hook 43 so as to drive the hook 43 to release the hooking slot 41.
The structure is simple, the elastic force of the elastic piece 42 is fully utilized for resetting the hook 43, and locking operation and unlocking operation are facilitated.
As a further optimization of any of the technical solutions of the present invention, the unlocking driving device 44 includes a pulling member 441, an elastic body 442, a driving member 443, and a mounting seat 444, wherein:
the pulling member 441 is connected to the driving member 443, the mounting seat 444 has a sliding groove therein, the driving member 443 is fitted in the sliding groove and can slide in the sliding groove, and the elastic body 442 is disposed between the driving member 443 and the mounting seat 444.
The driving member 443 is provided with a driving groove 445, and the bottom surface of the driving groove 445 is provided with a first limiting plane 451, a second limiting plane 452, and a slope 453 smoothly connected between the first limiting plane 451 and the second limiting plane 452.
The first restraining plane 451 is parallel to the second restraining plane 452. When the pulling member 441 is operated to move the driving member 443 from the initial position to the position where the hook 43 is driven to release the hooking of the engaging groove 41, the bottom surface of the driving groove 445 slides from the position where the second limit plane 452 abuts against the tail end 431 of the hook 43 to the position where the first limit plane 451 abuts against the tail end 431 of the hook 43, and the driving member 443 drives the elastic member 42 to deform.
When the operation of the pulling member 441 is released, the driving member 443 is returned to the initial position by the elastic force of the elastic body 442, and the bottom surface of the driving groove 445 slides from the position where the first stopper plane 451 abuts against the rear end 431 of the hook 43 to the position where the second stopper plane 452 abuts against the rear end 431 of the hook 43.
The slope 453 may reduce a friction force of the bottom surface of the driving groove 445 in a process of sliding through the tail end 431 of the hook 43, the first limit plane 451 may press the tail end 431 of the hook 43 and compress the elastic member 42 to be deformed by the tail end 431 of the hook 43, and a gap allowing the sliding connection portion 32 to be inserted is formed between the hook head of the hook 43 and the first frame body 1 or the second frame body 2, so that the catching groove 41 of the sliding connection portion 32 may move to a position where the catching groove is caught with the hook head of the hook 43.
As a further optimization of any technical scheme of the invention, the first frame body 1 comprises two push handle rods 11 (the two push handle rods 11 are respectively a left push handle rod 111 and a right push handle rod 112) and a push handle transverse connecting rod 12 connected between the left push handle rod 111 and the right push handle rod 112, the rotating connecting part 31 of the supporting piece 3 is rotatably connected with the second frame body 2, and the sliding connecting part 32 of the supporting piece 3 is slidably connected with the push handle transverse connecting rod 12.
The structure is simple, the processing, the manufacturing and the assembly are convenient, and the support piece 3 utilizes the stability of a triangle, thereby playing a good supporting role. Meanwhile, the left and right stress of the first frame body 1 of the structure is more balanced, and the overall reliability of the frame is good.
The push handle rod 11 preferably comprises an upper push handle section and a lower push handle section, and the upper push handle section and the lower push handle section are connected through a bending joint.
As a further optimization of any technical scheme of the invention, the length direction of the push handle transverse connecting rod 12 is vertical to the length direction of the first frame body 1 or the second frame body 2. The structure is more regular and is more convenient to process, manufacture and assemble.
As a further optimization of any technical solution of the present invention, the number of the push handle transverse connecting rods 12 is two, and the supporting member 3 includes a first supporting member 301 and a second supporting member 302, wherein:
the rotating connection portion 31 of the first support 301 is rotatably connected to the second frame body 2, and the sliding connection portion 32 of the first support 301 is slidably connected to one of the push handle cross links 12.
The rotation connecting portion 31 of the second supporting member 302 is rotatably connected to the second frame body 2, and the sliding connecting portion 32 of the second supporting member 302 is slidably connected to the other push handle cross link 12.
The number of the push handle cross connecting rods 12 and the number of the supporting parts 3 can be two, three or even more according to the requirement. The structure can enable the left and right stress of the baby carriage frame to be more balanced, and the whole reliability of the baby carriage frame is good.
As a further optimization of any technical solution of the present invention, the second frame body 2 comprises two bottom frame rods 21 (the two bottom frame rods 21 are respectively a left bottom frame rod 211 and a right bottom frame rod 212) and a bottom frame cross-connecting rod 22 connected between the left bottom frame rod 211 and the right bottom frame rod 212, the rotating connection portion 31 of the supporting member 3 is rotatably connected with the first frame body 1, and the sliding connection portion 32 of the supporting member 3 is slidably connected with the bottom frame cross-connecting rod 22.
The structure is simple, the processing, the manufacturing and the assembly are convenient, and the support piece 3 utilizes the stability of a triangle, thereby playing a good supporting role. Meanwhile, the stress on the left and the right of the second frame body 2 is more balanced, and the overall reliability of the frame is good.
As a further optimization of any technical solution of the present invention, the length direction of the chassis cross link 22 is perpendicular to the length direction of the first frame body 1 or the second frame body 2. The structure is more regular and is more convenient to process, manufacture and assemble.
As a further optimization of any of the technical solutions of the present invention, the number of the chassis cross links 22 is two, and the support 3 includes a first support 301 and a second support 302, wherein:
the rotating connection portion 31 of the first support 301 is rotatably connected to the first frame body 1, and the sliding connection portion 32 of the first support 301 is slidably connected to one of the chassis cross-links 22.
The rotation connecting portion 31 of the second supporting member 302 is rotatably connected to the first frame body 1, and the sliding connecting portion 32 of the second supporting member 302 is slidably connected to the other one of the chassis cross links 22.
The number of undercarriage cross links 22 and supports 3 may each be two, three or even more, as desired. The structure can enable the left and right stress of the baby carriage frame to be more balanced, and the whole reliability of the baby carriage frame is good.
As a further optimization of any one of the technical solutions of the present invention, the rotation axis includes a first rotation axis and a second rotation axis perpendicular to the first rotation axis or having an acute or obtuse included angle with the first rotation axis. The first frame body 1 and the second frame body 2 can drive the supporting member 3, so that the rotating connecting portion 31 of the supporting member 3 simultaneously rotates around the first rotating axis and the second rotating axis from the folded position to the unfolded position or rotates from the unfolded position to the folded position. Above-mentioned structure can make support piece 3's rotation connecting portion 31 can connect the optional position on first support body 1 or second support body 2, the processing of being more convenient for, manufacturing, in addition, can set up the hookup location of support piece 3's rotation connecting portion 31 at the place that first support body 1 or second support body 2 need support most structurally as required, and then can improve the reliability and the bearing capacity of whole perambulator frame.
As a further optimization of any technical solution of the present invention, one of the first frame body 1 and the second frame body 2 and the rotation connection portion 31 of the support 3 form a rotatable connection through a rotation connection structure, the rotation connection structure includes a first rotation seat 51 and a second rotation seat 52, wherein:
one of the first frame body 1 and the second frame body 2 is rotatably connected with one end of the first rotating base 51, and the first rotating base 51 can rotate around the first rotating axis relative to the first frame body 1 or the second frame body 2 rotatably connected therewith.
One end of the first rotating base 51 is rotatably connected to one end of the second rotating base 52, the second rotating base 52 can rotate around the second rotation axis relative to the first rotating base 51, and the other end of the second rotating base 52 is connected to the supporting member 3.
The structure has the advantages of simple structure and convenience in assembly.
As a further optimization of any technical solution of the present invention, the first rotating base 51 is provided with a mounting groove 521, and one end of the second rotating base 52 is embedded in the mounting groove 521 and rotatably connected with an inner wall of the mounting groove 521. The structure is compact, the second rotating seat 52 is not easy to be separated from the rotating seat, and the connection reliability is better.
As a further optimization of any technical solution of the present invention, the sliding connection portion 32 of the supporting member 3 is in a sleeve shape, and is sleeved on the first frame body 1 or the second frame body 2. Or,
the sliding connection part 32 of the support member 3 is in the shape of a rod, a sliding slot is arranged on the first frame body 1 or the second frame body 2, and the sliding connection part 32 of the support member 3 is inserted in the sliding slot and can slide in the sliding slot. The structure has the advantages of simple structure and convenience in assembly.
As a further optimization of any technical solution of the present invention, the first frame body 1 is connected with the front wheel set 61, and the second frame body 2 is connected with the front wheel set 61 and the rear wheel set 62. At this time, the first frame 1 may be referred to as a push handle frame, and the second frame 2 may be referred to as a base frame. When the first frame body 1 and the second frame body 2 are both made of pipe fittings, the first frame body 1 can be called a push handle pipe, and the second frame body 2 can be called an underframe pipe.
As a further optimization of any one of the technical solutions of the present invention, the width direction of the stroller frame is consistent with or parallel to the width direction of the first frame body 1 or the width direction of the second frame body 2.
The structure has the advantages of regular shape, compact structure, and convenient assembly and folding.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated. Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
If the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the description of the invention, the above-described terms are intended to be based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the invention.
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (16)
1. The utility model provides a baby carriage frame which characterized in that, includes first support body (1), second support body (2) and support piece (3), wherein:
the support piece (3) is provided with a rotary connecting part (31) and a sliding connecting part (32);
the first frame body (1) is movably connected with the second frame body (2), one of the first frame body (1) and the second frame body (2) is rotatably connected with a rotating connecting part (31) of the supporting piece (3), and the other of the first frame body (1) and the second frame body (2) is slidably connected with a sliding connecting part (32) of the supporting piece (3);
when the first frame body (1) moves from a folding position to an unfolding position relative to the second frame body (2), the first frame body (1) and the second frame body (2) can drive the support piece (3) to enable the rotating connecting part (31) of the support piece (3) to rotate around a rotating axis from the folding position to the unfolding position, and enable the sliding connecting part (32) of the support piece (3) to slide from the folding position to the unfolding position along a preset sliding direction within the width range of the baby carriage frame; the preset sliding direction is the width direction of the baby carriage frame or the direction between the width direction of the baby carriage frame and the length direction of the baby carriage frame;
when the first frame body (1) moves from the unfolding position to the folding position relative to the second frame body (2), the support piece (3) can be driven by the first frame body (1) and the second frame body (2), the rotating connecting part (31) of the support piece (3) rotates around the rotating axis from the unfolding position to the folding position, and the sliding connecting part (32) of the support piece (3) slides along the direction opposite to the preset sliding direction within the width range of the baby carriage frame from the unfolding position to the folding position.
2. The stroller frame according to claim 1, characterized in that it further comprises a locking structure (4) provided between the support (3) and the first frame (1) or between the support (3) and the second frame (2), wherein:
when the first frame body (1) moves from a folded position to an unfolded position relative to the second frame body (2), the locking structure (4) can lock the support piece (3) on the first frame body (1) and/or the second frame body (2); and the locking is released, and the first frame body (1) can move from an unfolding position to a folding position relative to the second frame body (2).
3. The stroller frame according to claim 2, characterized in that the locking structure (4) comprises a catch (41), a spring (42), a hook (43) and an unlocking drive (44), wherein:
the clamping groove (41) is arranged on the sliding connection part (32) of the support part (3);
the hook (43) is rotatably connected with the first frame body (1) or the second frame body (2);
when the first frame body (1) moves from a folding position to an unfolding position relative to the second frame body (2), the first frame body (1) and the second frame body (2) can drive the supporting piece (3), so that the sliding connection part (32) jacks up the hook (43) to drive the elastic piece (42) to deform along a preset direction, the hook head of the hook (43) falls into a position hooked with the clamping groove (41) of the sliding connection part (32), and the elastic piece (42) exerts elastic force on the hook (43) to keep the hook head of the hook (43) at the position hooked with the clamping groove (41) of the sliding connection part (32);
the unlocking driving device (44) is connected with the hook (43), and the unlocking driving device (44) can drive the hook (43) and drive the elastic piece (42) to deform along the preset direction through the hook (43) so as to drive the hook (43) to unhook the clamping groove (41).
4. The stroller frame according to claim 3, characterized in that the unlocking drive (44) comprises a traction member (441), an elastic body (442), a driving member (443) and a mounting seat (444), wherein:
the traction piece (441) is connected with the driving piece (443), a sliding groove is arranged in the mounting seat (444), the driving piece (443) is embedded in the sliding groove and can slide in the sliding groove, and the elastic body (442) is arranged between the driving piece (443) and the mounting seat (444);
the driving piece (443) is provided with a driving groove (445), the bottom surface of the driving groove (445) is provided with a first limiting plane (451), a second limiting plane (452) and a slope surface (453) which is smoothly connected between the first limiting plane (451) and the second limiting plane (452); the first limiting plane (451) is parallel to the second limiting plane (452);
when the traction piece (441) is operated to enable the traction piece (441) to drive the driving piece (443) to move from an initial position to a position where the hook (43) is driven to release hooking of the clamping groove (41), the bottom surface of the driving groove (445) slides from a position where the second limit plane (452) is abutted against the tail end (431) of the hook (43) to a position where the first limit plane (451) is abutted against the tail end (431) of the hook (43), and the driving piece (443) drives the elastic piece (42) to deform and/or drives the elastic body (442) to deform;
when the operation of the traction piece (441) is released, the driving piece (443) is reset to the initial position under the elastic force of the elastic body (442), and the bottom surface of the driving groove (445) slides from a position where the first limit plane (451) abuts against the tail end (431) of the hook (43) to a position where the second limit plane (452) abuts against the tail end (431) of the hook (43).
5. The stroller frame according to claim 1, wherein the first frame body (1) comprises a left push handle rod (111) and a right push handle rod (112) and a push handle cross-connecting rod (12) connected between the left push handle rod (111) and the right push handle rod (112), the rotating connecting part (31) of the supporting member (3) is rotatably connected with the second frame body (2), and the sliding connecting part (32) of the supporting member (3) is slidably connected with the push handle cross-connecting rod (12).
6. The stroller frame according to claim 5, characterized in that the length direction of the push handle cross link (12) is perpendicular to the length direction of the first frame body (1) or the second frame body (2).
7. The stroller frame according to claim 5, characterized in that the push handle cross link (12) is two in number, the support (3) comprising a first support (301) and a second support (302), wherein:
the rotating connecting part (31) of the first supporting part (301) is rotatably connected with the second frame body (2), and the sliding connecting part (32) of the first supporting part (301) is in sliding connection with one of the push handle transverse connecting rods (12);
the rotating connecting part (31) of the second supporting part (302) is rotatably connected with the second frame body (2), and the sliding connecting part (32) of the second supporting part (302) is slidably connected with the other push handle transverse connecting rod (12).
8. The stroller frame according to claim 1, characterized in that the second frame body (2) comprises a left chassis bar (211) and a right chassis bar (212) and a chassis cross-link (22) connected between the left chassis bar (211) and the right chassis bar (212), the rotational connection (31) of the support (3) is rotatably connected with the first frame body (1), and the sliding connection (32) of the support (3) is slidably connected with the chassis cross-link (22).
9. The stroller frame according to claim 8, characterized in that the length direction of the chassis cross link (22) is perpendicular to the length direction of the first frame (1) or the second frame (2).
10. The stroller frame according to claim 8, characterized in that the number of the chassis cross-links (22) is two, the support (3) comprising a first support (301) and a second support (302), wherein:
the rotating connecting part (31) of the first supporting part (301) is rotatably connected with the first frame body (1), and the sliding connecting part (32) of the first supporting part (301) is slidably connected with one of the chassis transverse connecting rods (22);
the rotating connecting part (31) of the second supporting part (302) is rotatably connected with the first frame body (1), and the sliding connecting part (32) of the second supporting part (302) is slidably connected with the other chassis transverse connecting rod (22).
11. The stroller frame of claim 1, wherein the rotation axis comprises a first rotation axis and a second rotation axis perpendicular to or at an acute or obtuse angle with the first rotation axis; first support body (1) with second support body (2) can drive support piece (3), make the rotation connecting portion (31) of support piece (3) simultaneously around first axis of rotation with second axis of rotation rotates to the position of opening from the position of closing to the position of opening or rotates to the position of closing from the position of opening.
12. Baby carriage frame according to claim 11, characterized in that the rotary connection (31) of one of the first (1) and second (2) body to the support (3) forms the rotary connection by means of a rotary connection structure comprising a first rotary seat (51) and a second rotary seat (52), wherein:
one of the first frame body (1) and the second frame body (2) is rotatably connected with one end of the first rotating seat (51), and the first rotating seat (51) can rotate around the first rotating axis relative to the first frame body (1) or the second frame body (2) which is rotatably connected with the first rotating seat;
the other end of the first rotating seat (51) is rotatably connected with one end of the second rotating seat (52), the second rotating seat (52) can rotate around the second rotating axis relative to the first rotating seat (51), and the other end of the second rotating seat (52) is connected with the supporting piece (3).
13. The stroller frame according to claim 12, wherein the first rotating seat (51) is provided with a mounting groove (521), and one end of the second rotating seat (52) is embedded in the mounting groove (521) and rotatably connected with the inner wall of the mounting groove (521).
14. Baby carriage frame according to claim 1, characterized in that the sliding connection (32) of the support (3) is sleeve-shaped and it is fitted over the first (1) or second (2) frame; or,
the sliding connection part (32) of the support part (3) is in an inserted bar shape, a sliding groove is arranged on the first frame body (1) or the second frame body (2), and the sliding connection part (32) of the support part (3) is inserted in the sliding groove and can slide in the sliding groove.
15. Baby carriage frame according to claim 1, characterized in that the first frame body (1) is connected with a front wheel set (61) and the second frame body (2) is connected with a front wheel set (61) and a rear wheel set (62).
16. A stroller frame according to any of the claims 1-15, characterized in that the width direction of the stroller frame coincides with or is parallel to the width direction of the first frame (1) or the width direction of the second frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031530.7A CN105857375B (en) | 2015-01-21 | 2015-01-21 | Stroller frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031530.7A CN105857375B (en) | 2015-01-21 | 2015-01-21 | Stroller frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105857375A true CN105857375A (en) | 2016-08-17 |
| CN105857375B CN105857375B (en) | 2017-12-08 |
Family
ID=56623171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031530.7A Active CN105857375B (en) | 2015-01-21 | 2015-01-21 | Stroller frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105857375B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107351901A (en) * | 2017-07-26 | 2017-11-17 | 中山市唯艺儿童用品有限公司 | A kind of stroller frame and perambulator |
| CN107972723A (en) * | 2017-12-25 | 2018-05-01 | 石峰 | A kind of baby stroller |
| CN119408916A (en) * | 2025-01-07 | 2025-02-11 | 北京晶品特装科技股份有限公司 | An emergency material transport robot |
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| CN203581041U (en) * | 2013-10-17 | 2014-05-07 | 好孩子儿童用品有限公司 | Trolley |
| US8794659B1 (en) * | 2013-03-22 | 2014-08-05 | Steven W. Palmer | Vehicle style stroller |
| CN203996352U (en) * | 2014-06-06 | 2014-12-10 | 好孩子儿童用品有限公司 | A kind of doll carriage |
| CN204399247U (en) * | 2015-01-21 | 2015-06-17 | 珠海优力创工贸有限公司 | Stroller frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492254A (en) * | 2012-04-02 | 2014-01-01 | Abc设计有限公司 | multifunctional hinge |
| US8794659B1 (en) * | 2013-03-22 | 2014-08-05 | Steven W. Palmer | Vehicle style stroller |
| CN203581041U (en) * | 2013-10-17 | 2014-05-07 | 好孩子儿童用品有限公司 | Trolley |
| CN203996352U (en) * | 2014-06-06 | 2014-12-10 | 好孩子儿童用品有限公司 | A kind of doll carriage |
| CN204399247U (en) * | 2015-01-21 | 2015-06-17 | 珠海优力创工贸有限公司 | Stroller frame |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107351901A (en) * | 2017-07-26 | 2017-11-17 | 中山市唯艺儿童用品有限公司 | A kind of stroller frame and perambulator |
| CN107351901B (en) * | 2017-07-26 | 2023-11-07 | 中山市唯艺儿童用品有限公司 | Baby carriage frame and baby carriage |
| CN107972723A (en) * | 2017-12-25 | 2018-05-01 | 石峰 | A kind of baby stroller |
| CN107972723B (en) * | 2017-12-25 | 2023-11-21 | 中山市贝贝威日用制品有限公司 | Baby handcart |
| CN119408916A (en) * | 2025-01-07 | 2025-02-11 | 北京晶品特装科技股份有限公司 | An emergency material transport robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105857375B (en) | 2017-12-08 |
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