CN104290792A - Foldable joint and baby stroller - Google Patents

Foldable joint and baby stroller Download PDF

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Publication number
CN104290792A
CN104290792A CN201410421210.8A CN201410421210A CN104290792A CN 104290792 A CN104290792 A CN 104290792A CN 201410421210 A CN201410421210 A CN 201410421210A CN 104290792 A CN104290792 A CN 104290792A
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China
Prior art keywords
safety
unlocking
base frame
locking
lock
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Granted
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CN201410421210.8A
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Chinese (zh)
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CN104290792B (en
Inventor
顾小聪
李丰
朱石磊
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201410421210.8A priority Critical patent/CN104290792B/en
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Abstract

The invention provides a foldable joint which comprises an unfolding position and a folding position and a baby stroller comprising the foldable joint. The foldable joint comprises at least two bar frames including a base frame and locking mechanisms used for locking the base frame and other bar frames. The base frame and the bar frames are connected in a rotating mode through respective rotation components. The locking mechanisms comprise locking pieces with locking portions and unlocking pieces, the locking pieces are connected to a base frame body in a rotating mode, and the unlocking pieces are arranged on the base frame body in a sliding mode and can control the locking pieces to rotate through sliding. A new technological conception for unlocking of the locking mechanisms controlling the foldable joint is provided, the unlocking pieces slide to push the locking pieces to rotate, and therefore the locking mechanisms of the foldable joint are unlocked.

Description

Folding joint and children trolley
Technical field
the present invention relates to a kind of folding joint that can fold and the children trolley with this folding joint.
Background technology
in prior art, a kind of folding joint with expanded position and folding position, comprise at least two bridges be rotationally connected by respective rotation section, for the lockout mechanism will locked between all described bridges, one in bridge described at least two is abase frame, described lockout mechanism comprises the latch fitting with locking part be rotatably connected in the abase frame main body of described abase frame, the unlock piece that latch fitting described in control rotates, described latch fitting has lock-out state and released state, when described latch fitting is in the lock state down, the rotation section phase buckle of described locking part and all described bridges, relatively not rotatable between described bridge, under described latch fitting is in released state, due to the slip of described sliding part, the rotation section of described locking part and all described bridges is separated, or except the rotation section of other bridge of described abase frame rotation section is separated in described locking part and described bridge.Structure disclosed in american documentation literature US7798515, unlock piece is pivotally connected in described abase frame main body as lever, by rotate thus latch fitting described in controlling rotates, thus latch fitting is unlocked.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind of folding joint.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of folding joint with expanded position and folding position, comprise at least two bridges be rotationally connected by respective rotation section, for the lockout mechanism will locked between all described bridges, one in bridge described at least two is abase frame, described lockout mechanism comprises the latch fitting with locking part be rotatably connected in the abase frame main body of described abase frame, the unlock piece that latch fitting described in control rotates, described latch fitting has lock-out state and released state, when described latch fitting is in the lock state down, the rotation section phase buckle of described locking part and all described bridges, or except the rotation section phase buckle of other bridge of described abase frame rotation section in described locking part and described bridge, relatively not rotatable between described bridge, under described latch fitting is in released state, due to the slip of described sliding part, the rotation section of described locking part and all described bridges is separated, or except the rotation section of other bridge of described abase frame rotation section is separated in described locking part and described bridge, described unlock piece is slidably arranged in described abase frame main body, and by slide thus latch fitting described in controlling rotates realizes locking and unblock.
in some embodiments, described lockout mechanism also comprises the safety piece for stoping described unlock piece to slide, and described safety piece is movably arranged in described abase frame main body.
in some further embodiment, described safety piece has blocking portion, described safety piece has safety position and removes position with insurance, under described safety piece is in safety position, the sliding trace that described blocking portion is positioned at described unlock piece is positioned in the working direction of described unlock piece, under described safety piece is in insurance releasing position, described blocking portion leaves the sliding trace of described unlock piece, the insurance elastic component under making described safety piece stably be in safety position is provided with between described safety piece and described abase frame main body.
in some further embodiment, described safety piece is connected in described abase frame main body rotationally.
in some further embodiment, described unlock piece has the unblock manipulation portion that can directly or indirectly drag, described safety piece has the insurance manipulation portion that can directly or indirectly drag.
in some embodiments, described latch fitting also has the unblock auxiliary section for coordinating with described unlock piece, and described locking part and described unblock matching part are in the relative both sides of the rotational axis line of described latch fitting.
in some further embodiment, when the latch fitting that described unlock piece slides described in control rotates, conflict by unlocking guiding surface between described unblock auxiliary section and described unlock piece.
in some embodiments, the rotational axis line of described latch fitting extends along the direction of the rotational axis line perpendicular to described abase frame rotation section, and the rotational axis line direction of the direction of slip of described unlock piece and the rotational axis line direction of described latch fitting, described abase frame rotation section is all perpendicular.
in some further embodiment, described unlock piece is slidably arranged in described abase frame main body along the length direction of described abase frame main body.
in some embodiments, the locking elastic part under described latch fitting is stably in the lock state is provided with between described latch fitting and described abase frame main body.
the another technical matters that the present invention will solve is to provide a kind of children trolley.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of children trolley, comprise the folding joint of above any technical scheme, described bridge has three, be respectively the front frame except described abase frame and push-rod frame, described front frame is provided with front component, described abase frame is provided with wheel assembly.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the present invention compared with prior art has following advantages: the invention provides the new technical conceive that a kind of lockout mechanism controlling folding joint unlocks, make it promote latch fitting by slip unlock piece to rotate, thus the lockout mechanism of folding joint is unlocked.
Accompanying drawing explanation
accompanying drawing 1 is in the schematic diagram under expanded position for children trolley;
accompanying drawing 2 is in the schematic diagram under folding position for children trolley;
accompanying drawing 3 is the K-K directional profile figure (latch fitting is in the lock state down) of accompanying drawing 1;
accompanying drawing 4 is the K-K directional profile figure (latch fitting be in released state under) of accompanying drawing 1;
wherein: 1, abase frame; 11, abase frame rotation section; 12, abase frame main body; 13, the first axle;
2, latch fitting; 21, locking part; 22, auxiliary section is unlocked; 23, latch fitting inclined-plane; 24, locking elastic part; 25, the second axle;
3, unlock piece; 31, unlock piece inclined-plane; 32, manipulation portion is unlocked;
4, safety piece; 41, blocking portion; 42, manipulation portion is insured; 43, elastic component is insured;
5, front frame; 6, push-rod frame; 7, front component; 8, wheel assembly.
Detailed description of the invention
as shown in accompanying drawing 3,4, a kind of folding joint with expanded position and folding position, comprises containing at least two bridges of abase frame 1, the lockout mechanism for locking between abase frame 1 and other all bridge.Under folding joint is in expanded position, mutually launch between each bridge, under folding joint is in folding position, draw close mutually between each bridge.
the bridge main body that every root bridge has rotation section, fixes with rotation section, the rotation section of three bridges to be rotated connection by the first axle 13.If accompanying drawing 1, accompanying drawing 2 children trolley are example, bridge has three that comprise abase frame 1, and in other two, one is front frame 5, and another root is push-rod frame 6.Abase frame 1 comprises abase frame rotation section 11 and abase frame main body 12.
as shown in accompanying drawing 3,4, lockout mechanism comprises the latch fitting 2 with locking part 21 be rotatably connected on by the second axle 25 in abase frame main body 12, be slidably arranged in by sliding thus controlling unlock piece 3 that latch fitting 2 rotates, safety piece 4 for stoping unlock piece 3 to slide in abase frame main body 12, and safety piece 4 is movably arranged in abase frame main body 12.Movable setting refers to, safety piece 4 can be slidably arranged in abase frame main body 12, also can be to rotate to be arranged in abase frame main body 12, setting of swaying in the present embodiment.Unlock piece 3 has the unblock manipulation portion 32 that can directly or indirectly drag, wherein, indirectly drag and refer to, by parts Long-distance Control such as trailing cables.Safety piece 4 has the insurance manipulation portion 42 that can directly or indirectly drag, same, indirectly drag and refer to, by parts Long-distance Control such as trailing cables.
latch fitting 2 has lock-out state and released state, the rotation section phase buckle of described locking part 21 and all described bridges, or except the rotation section phase buckle of other bridge of described abase frame rotation section 11 in described locking part 21 and described bridge, relatively not rotatable between described bridge, under latch fitting 2 is in released state, locking part 21 is separated with the rotation section of all bridges, or except the rotation section of other bridge of abase frame rotation section 11 is separated in locking part 21 and bridge.As having fore shaft on the rotation section of each bridge, during locking, locking part 21 is inserted in all fore shafts, or it is passable to there is not fore shaft in abase frame rotation section 11 yet, can forbid that the rotation section of each bridge is rotated mutually, during unblock, locking part 21 exits all fore shafts, or be only positioned at the fore shaft of abase frame rotation section 11, now the rotation section of each bridge can be rotated mutually.Not shown, vice versa, and namely each rotation section has locking projections, and on locking part 21, offer lockhole, during locking, all locking projections are all inserted in lockhole.
the rotational axis line of the second axle 25 of latch fitting 2 extends along the direction of the rotational axis line of the first axle 13 perpendicular to abase frame rotation section 11.And the rotational axis line direction of the rotational axis line direction of the second axle 25 of the direction of slip of unlock piece 3 and latch fitting 2, the first axle 13 of abase frame rotation section 11 is all perpendicular.Unlock piece 3 is slidably arranged in abase frame main body 12 along the length direction of abase frame main body 12.As shown in accompanying drawing 3 accompanying drawing 4, abase frame main body 12 comprises an elongated bridge, be fixed on the case be placed in outside elongated bridge and by latch fitting 2 and unlock piece 3 in its chamber.The length direction of aforementioned abase frame main body 12 is length directions of finger rack.
described latch fitting 2 also has the unblock auxiliary section 22 for coordinating with described unlock piece 3, and described locking part 21 and described unblock auxiliary section 22 are positioned at the relative both sides of the rotational axis line of described latch fitting 2.Namely, during being unlocked by pressing auxiliary section 22, locking part 21 tilts.When unlock piece 3 slip control latch fitting 2 rotates, conflict by unlocking guiding surface between latch fitting 2 and unlock piece 3.To unlock in auxiliary section 22 and unlock piece 3 two at least one arranges unlock guiding surface can, in the present embodiment, unlock on auxiliary section 22 and be provided with latch fitting inclined-plane 23, unlock piece 3 is provided with unlock piece inclined-plane 31, latch fitting inclined-plane 23 matches with unlock piece inclined-plane 31.
safety piece 4 has blocking portion 41, safety piece 4 has safety position and removes position with insurance, under safety piece 4 is in safety position, the sliding trace that blocking portion 41 is positioned at unlock piece 3 is positioned in the working direction of unlock piece 3, under safety piece 4 is in insurance releasing position, blocking portion 41 leaves the sliding trace of unlock piece 3, is provided with the insurance elastic component 43 making safety piece 4 elastic reset between safety piece 4 and abase frame main body 12.
the locking elastic part 24 under latch fitting 2 is stably in the lock state is provided with between latch fitting 2 and abase frame main body 12.This locking elastic part 24 makes when discharging unlock piece 3, reseting elasticity locking 2 being had rotate and be tending towards lock-out state.And this strength also makes unlock piece 3 slide to be resetted.
when latch fitting is unlocked, first need to operate safety piece 4 directly or indirectly, its blocking portion 41 is made to leave the sliding trace direction of unlock piece 3, thus allow unlock piece 3 to slide, operating unlock piece 3 more directly or indirectly makes it slide, unlock piece 3 is inconsistent with latch fitting 2 in sliding process, thus control latch fitting 2 rotates, and makes latch fitting 2 be converted to released state at lock-out state.In whole releasing process, need two control steps, greatly reduce maloperation and unlock, use safer.
operating process: during as latch fitting 2 unlocked, as shown in accompanying drawing 3 to accompanying drawing 4, first the elastic force overcoming insurance elastic component 43 is needed to drag the insurance manipulation portion 42 of safety piece 4 directly or indirectly, its blocking portion 41 is made to leave the sliding trace of unlock piece 3, thus allow unlock piece 3 upward sliding, the unblock manipulation portion 32 that the elastic force overcoming locking elastic part 24 again drags unlock piece 3 directly or indirectly makes it slide, unlock piece 3 is inconsistent with the unblock auxiliary section 22 of latch fitting 2 in sliding process, thus control latch fitting 2 rotates clockwise, locking part 21 is made to exit fore shaft on rotation section, latch fitting 2 is converted to released state at lock-out state.
when latch fitting is locked, as shown in accompanying drawing 4 to accompanying drawing 3, and though successively release insurance manipulation portion 42 with unlock manipulation portion 32 can, insurance elastic component 43 gives safety piece 4 reset force, and locking elastic part 24 gives latch fitting 2 reset force.If the fore shaft on bridge rotation section is facing to locking part 21, latch fitting 2 opposite base frame body 12 rotates counterclockwise and then locking part 21 inserts each fore shaft, in latch fitting 2 rotation process, coordinated with unlock piece inclined-plane 31 by latch fitting inclined-plane 23, unlock piece 3 slide downward is resetted, and then, safety piece 4 rotates and resets under the reset force of insurance elastic component 43, blocking portion 41 again to be kept off on the sliding trace of unlock piece 3 and is positioned in the working direction of unlock piece 3, and latch fitting 2 is converted to lock-out state at released state; If the fore shaft on bridge rotation section completely facing to locking piece 21, does not then need to rotate corresponding bridge, make the corresponding locking part 21 of fore shaft, make latch fitting 2 be converted to lock-out state at released state.
as shown in accompanying drawing 1, accompanying drawing 2, include the children trolley of this folding joint, bridge has three, and abase frame 1 forms after poppet, it is provided with wheel assembly 8, in other two, one forms front frame 5, and it is provided with front component 7, and in two, another root forms push-rod frame 6.
above folding joint can also be applied in children dinning chair, and abase frame 1 forms after poppet, and in other two, one forms front frame, and in two, another root forms back rest.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.

Claims (12)

1.一种具有展开位置与折叠位置的折叠关节，包括通过各自的转动部转动连接的至少两根杆架、用于将所有所述的杆架之间锁定的锁定机构, 至少两根所述的杆架中的一根为基座架（1），所述的锁定机构包括转动连接在所述的基座架（1）的基座架主体（12）上的具有锁定部（21）的锁件（2）、控制所述的锁件（2）转动的解锁件（3），所述的锁件（2）具有锁定状态与解锁状态，当所述的锁件（2）处于锁定状态下，所述的锁定部（21）与所有的所述的杆架的转动部相卡扣，或者所述的锁定部（21）与所述的杆架中除了所述的基座架转动部（11）的其它杆架的转动部相卡扣，所述杆架之间相对不可转动，当所述的锁件（2）处于解锁状态下，由于所述滑动件的滑动，所述的锁定部（21）与所有的所述的杆架的转动部相脱离，或者所述的锁定部（21）与所述的杆架中除了所述的基座架转动部（11）的其它杆架的转动部相脱离，其特征在于：所述的解锁件（3）滑动地设置在所述的基座架主体（12）上，并通过滑动从而控制所述的锁件（2）转动以实现锁定与解锁。 1. A folding joint with an unfolded position and a folded position, comprising at least two rod frames that are rotatably connected through their respective rotating parts, a locking mechanism for locking all the rod frames, and at least two of the rod frames One of the pole frames is the base frame (1), and the locking mechanism includes a locking part (21) that is rotatably connected to the base frame body (12) of the base frame (1). The lock (2), the unlocking piece (3) that controls the rotation of the lock (2), the lock (2) has a locked state and an unlocked state, when the lock (2) is in the locked state Next, the locking part (21) is buckled with all the rotating parts of the rod frame, or the locking part (21) is locked with the rotating part of the rod frame except the base frame (11) The rotating parts of the other rod frames are snapped together, and the rod frames are relatively non-rotatable. When the lock (2) is in the unlocked state, due to the sliding of the slider, the lock The part (21) is separated from all the rotating parts of the rod frame, or the locking part (21) is separated from the other rod frames in the rod frame except the rotating part (11) of the base frame The rotating part is disengaged, and it is characterized in that: the unlocking part (3) is slidably arranged on the main body (12) of the base frame, and controls the rotation of the locking part (2) by sliding to realize Lock and unlock. 2.根据权利要求1所述的折叠关节，其特征在于：所述的锁定机构还包括用于阻止所述的解锁件（3）滑动的保险件（4），所述的保险件（4）活动设置在所述的基座架主体（12）上。 2. The folding joint according to claim 1, characterized in that: the locking mechanism further includes a safety part (4) for preventing the sliding of the unlocking part (3), and the safety part (4) The activities are arranged on the main body (12) of the base frame. 3.根据权利要求2所述的折叠关节，其特征在于：所述的保险件（4）上具有阻止部（41），所述的保险件（4）具有保险位置与保险解除位置，当所述的保险件（4）处于保险位置下，所述的阻止部（41）位于所述的解锁件（3）的滑动轨迹上并位于所述的解锁件（3）的前进方向上，当所述的保险件（4）处于保险解除位置下，所述的阻止部（41）离开所述的解锁件（3）的滑动轨迹，所述的保险件（4）与所述的基座架主体（12）之间设置有使得所述的保险件（4）稳定地处于保险位置下的保险弹性件（43）。 3. The folding joint according to claim 2, characterized in that: the safety part (4) has a blocking part (41), the safety part (4) has a safety position and a safety release position, when the safety part (4) The safety part (4) is in the safety position, the blocking part (41) is located on the sliding track of the unlocking part (3) and in the forward direction of the unlocking part (3), when the When the safety part (4) is in the safety release position, the blocking part (41) leaves the sliding track of the unlocking part (3), and the safety part (4) and the main body of the base frame A safety elastic part (43) is provided between (12) to make the safety part (4) stably under the safety position. 4.根据权利要求2所述的折叠关节，其特征在于：所述的保险件（4）转动地连接在所述的基座架主体（12）上。 4. The folding joint according to claim 2, characterized in that: the safety element (4) is rotatably connected to the main body (12) of the base frame. 5.根据权利要求2所述的折叠关节，其特征在于：所述的解锁件（3）上具有能够直接或间接拖动的解锁操控部（32），所述的保险件（4）上具有能够直接或间接拖动的保险操控部（42）。 5. The folding joint according to claim 2, characterized in that: the unlocking part (3) has an unlocking control part (32) that can be dragged directly or indirectly, and the safety part (4) has an A safety control part (42) capable of being dragged directly or indirectly. 6.根据权利要求1所述的折叠关节，其特征在于：所述的锁件（2）还具有用于与所述的解锁件（3）配合的解锁配合部（22），所述的锁定部（21）与所述的解锁配合部（22）位于所述的锁件（2）的转动轴心线相对的两侧。 6. The folding joint according to claim 1, characterized in that: the lock (2) also has an unlocking fitting part (22) for cooperating with the unlocking part (3), and the locking The part (21) and the unlocking matching part (22) are located on opposite sides of the rotation axis of the lock (2). 7.根据权利要求6所述的折叠关节，其特征在于：所述的解锁件（3）滑动控制所述的锁件（2）转动时，所述的解锁配合部（22）与所述的解锁件（3）之间通过解锁导向斜面抵触。 7. The folding joint according to claim 6, characterized in that: when the unlocking part (3) slides to control the rotation of the locking part (2), the unlocking matching part (22) and the The unlocking parts (3) are in conflict with each other through the unlocking guide slope. 8.根据权利要求1所述的折叠关节，其特征在于：所述的锁件（2）的转动轴心线沿着垂直于所述的基座架转动部（11）的转动轴心线的方向延伸，所述的解锁件（3）的滑动方向与所述的锁件（2）的转动轴心线方向、所述的基座架转动部（11）的转动轴心线方向都相垂直。 8. The folding joint according to claim 1, characterized in that: the rotation axis of the lock (2) is along the axis perpendicular to the rotation axis of the rotating part (11) of the base frame. direction, the sliding direction of the unlocking part (3) is perpendicular to the rotation axis direction of the lock part (2) and the rotation axis direction of the base frame rotating part (11) . 9.根据权利要求8所述的折叠关节，其特征在于：所述的解锁件（3）沿着所述的基座架主体（12）的长度方向滑动地设置在所述的基座架主体（12）上。 9. The folding joint according to claim 8, characterized in that the unlocking member (3) is slidably arranged on the main body of the base frame (12) along the length direction of the base frame (12) ON. 10.根据权利要求1所述的折叠关节，其特征在于：所述的锁件（2）与所述的基座架主体（12）之间设置有使得所述的锁件（2）稳定地处于锁定状态下的锁定弹性件（24）。 10. The folding joint according to claim 1, characterized in that: there is an arrangement between the lock (2) and the base frame main body (12) so that the lock (2) is stably Locking spring (24) in locked state. 11.根据权利要求1所述的折叠关节，其特征在于：所述的杆架共有三根。 11. The folding joint according to claim 1, characterized in that there are three rods in total. 12.一种包含有权利要求1-10的任意一项所述的折叠关节的儿童推车，其特征在于：所述的杆架具有三根，分别为除了所述的基座架（1）以外的前支架（5）与推杆架（6），所述的前支架（5）上设置有前轮组件（7），所述的基座架（1）上设置有后轮组件（8）。 12. A children's stroller including the folding joint according to any one of claims 1-10, characterized in that: the said rod frame has three rods, which are respectively except the said base frame (1) The front bracket (5) and the push rod bracket (6), the front bracket (5) is provided with a front wheel assembly (7), and the base frame (1) is provided with a rear wheel assembly (8) .
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CN105172622A (en) * 2015-08-27 2015-12-23 富卓汽车内饰（安徽）有限公司 Device and method for realizing position adjustment of front row seat of automobile

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CN202152060U (en) * 2011-06-15 2012-02-29 好孩子儿童用品有限公司 Swivel joint and children's vehicle with the same
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CN204055904U (en) * 2014-08-25 2014-12-31 好孩子儿童用品有限公司 Folding joint and children trolley

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105172622A (en) * 2015-08-27 2015-12-23 富卓汽车内饰（安徽）有限公司 Device and method for realizing position adjustment of front row seat of automobile

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