CN104290792B - Foldable joint and baby stroller - Google Patents
Foldable joint and baby stroller Download PDFInfo
- Publication number
- CN104290792B CN104290792B CN201410421210.8A CN201410421210A CN104290792B CN 104290792 B CN104290792 B CN 104290792B CN 201410421210 A CN201410421210 A CN 201410421210A CN 104290792 B CN104290792 B CN 104290792B
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- pedestal frame
- latch fitting
- piece
- rotation section
- bridge
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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
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, including by respective rotation section
Rotate at least two bridges connecting, the locking mechanism for locking between all described bridges, at least described in two
In bridge one is pedestal frame, and described locking mechanism includes being rotatably connected on the described pedestal frame body of pedestal frame
There is the latch fitting of sticking department, controlling the unlock piece that described latch fitting 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 sticking department and all of described bridge, described
Relatively rotatable between bridge, when described latch fitting is under released state, due to the slip of described sliding part, described lock
The rotation section determining portion with all of described bridge is separated, or except described in described sticking department and described bridge
The rotation section of other bridges of pedestal frame rotation section is separated.Structure as disclosed in american documentation literature us7798515, unblock
Part is pivotally connected on described pedestal frame body as lever, by rotating thus controlling described latch fitting to rotate, thus
Latch fitting is unlocked.
Content 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 above-mentioned technical problem, a kind of technical scheme that the present invention adopts is: one kind has expanded position and folding
The folding joint of folded position, including at least two bridges being connected by the rotation of respective rotation section, being used for will be all described
The locking mechanism of locking between bridge, at least in the bridge described in two are pedestal frame, and described locking mechanism includes
It is rotatably connected on there is the latch fitting of sticking department, control the solution of described latch fitting rotation on the described pedestal frame body of pedestal frame
Latch fitting, described latch fitting has lock-out state and released state, when described latch fitting is in the lock state down, described sticking department
With in the rotation section phase buckle of all of described bridge, or described sticking department and described bridge except described pedestal
The rotation section phase buckle of other bridges of frame rotation section, relatively not rotatable between described bridge, when described latch fitting is in solution
Under lock status, due to the slip of described sliding part, described sticking department is separated with the rotation section of all of described bridge, or
Except the rotation section of other bridges of described pedestal frame rotation section is separated in sticking department described in person and described bridge, institute
The unlock piece stated is slidably arranged on described pedestal frame body, and by sliding thus controlling described latch fitting to rotate with reality
Now locking and unblock.
In some embodiments, described locking mechanism also includes the insurance for stoping described unlock piece from sliding
Part, described safety piece is movably arranged on described pedestal frame body.
In some further embodiments, described safety piece has blocking portion, described safety piece has insurance
Position releases position with insurance, and when described safety piece is under safety position, described blocking portion is located at described unlock piece
Sliding trace on and be located in the described direction of advance of unlock piece, release under position when described safety piece is in insurance,
Described blocking portion leaves the sliding trace of described unlock piece, arranges between described safety piece and described pedestal frame body
Have so that described safety piece is stably in the insurance elastic component under safety position.
In some further embodiments, described safety piece is rotationally connected on described pedestal frame body.
In some further embodiments, described unlock piece has the unblock manipulation that can directly or indirectly drag
Portion, described safety piece has the insurance manipulation portion that can directly or indirectly drag.
In some embodiments, described latch fitting also has for the unblock auxiliary section with described unlock piece cooperation,
Described sticking department is with described unblock matching part in the relative both sides of the rotational axis line of described latch fitting.
In some further embodiments, when described latch fitting described in unlock piece Sliding Control rotates, described solution
Conflicted by unlocking guiding surface between lock auxiliary section and described unlock piece.
In some embodiments, the rotational axis line of described latch fitting is along perpendicular to described pedestal frame rotation section
The direction of rotational axis line extends, the rotational axis line direction of the described glide direction of unlock piece and described latch fitting, described
Pedestal frame rotation section rotational axis line direction all perpendicular.
In some further embodiments, described unlock piece slides along the length direction of described pedestal frame body
Be arranged on described pedestal frame body.
In some embodiments, it is provided between described latch fitting and described pedestal frame body and make described latch fitting
Locking elastic part under being stably in the lock state.
The invention solves the problems that another technical problem be provide a kind of children trolley.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention adopts is: a kind of children trolley, including more than
The folding joint of any technical scheme, described bridge has three, the respectively fore-stock in addition to described pedestal frame
With push-rod frame, described fore-stock is provided with front component, described pedestal frame is provided with wheel assembly.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be contained simultaneously
Cover the other technical schemes being carried out combination in any and being formed by above-mentioned technical characteristic or its equivalent feature.Such as features described above and basis
(but not limited to) disclosed in application has technical scheme that the technical characteristic of similar functions is replaced mutually and formed etc..
Because technique scheme is used, the present invention compared with prior art has the advantage that the invention provides one
Plant the new technology design of the locking mechanism unblock controlling folding joint, make it promote latch fitting to rotate by slip unlock piece, from
And the locking mechanism of folding joint is unlocked.
Brief description
Accompanying drawing 1 be in the deployed for children trolley under schematic diagram；
Accompanying drawing 2 is in the schematic diagram under folding position for children trolley；
Accompanying drawing 3 is k-k directional profile figure (latch fitting is in the lock state down) of accompanying drawing 1；
Accompanying drawing 4 is k-k directional profile figure (latch fitting is under released state) of accompanying drawing 1；
Wherein: 1, pedestal frame；11st, pedestal frame rotation section；12nd, pedestal frame body；13rd, first axle；
2nd, latch fitting；21st, sticking department；22nd, unlock auxiliary section；23rd, latch fitting inclined-plane；24th, locking elastic part；25th, the second axle；
3rd, unlock piece；31st, unlock piece inclined-plane；32nd, unlock manipulation portion；
4th, safety piece；41st, blocking portion；42nd, insure manipulation portion；43rd, insure elastic component；
5th, fore-stock；6th, push-rod frame；7th, front component；8th, wheel assembly.
Specific embodiment
As shown in accompanying drawing 3,4, a kind of folding joint with expanded position and folding position, including frame containing pedestal 1
At least two bridges, for will between pedestal frame 1 and other all bridges locking locking mechanism.When folding joint is in exhibition
Under open position, mutually launch between each bridge, when folding joint is under folding position, mutually draw close between each bridge.
Every bridge has the rotation section bridge main body fixing with rotation section phase, and the rotation section of three bridges passes through first
Axle 13 rotates connection.As a example accompanying drawing 1, accompanying drawing 2 children trolley, bridge has three including pedestal frame 1, in addition two
In one be fore-stock 5, another be push-rod frame 6.Pedestal frame 1 includes pedestal frame rotation section 11 and pedestal frame body 12.
As shown in accompanying drawing 3,4, locking mechanism includes being rotatably connected on having on pedestal frame body 12 by the second axle 25
The latch fitting 2 of sticking department 21, be slidably arranged on pedestal frame body 12 pass through slide thus control latch fitting 2 rotate unlock piece 3,
For the safety piece 4 stoping unlock piece 3 from sliding, safety piece 4 is movably arranged on pedestal frame body 12.Activity setting refers to, protects
Dangerous part 4 can be slidably arranged on pedestal frame body 12 or be rotatably arranged on pedestal frame body 12, the present embodiment
In be pivoting setting.The unblock manipulation portion 32 that can directly or indirectly drag is had on unlock piece 3, wherein, indirectly drags
Move and refer to, by the part remotely control such as hauling rope.The insurance manipulation portion that can directly or indirectly drag is had on safety piece 4
42, likewise, indirect dragging refers to, by the part remotely control such as hauling rope.
Latch fitting 2 has lock-out state and released state, the rotation section of described sticking department 21 and all of described bridge
In phase buckle, or described sticking department 21 and described bridge except described pedestal frame rotation section 11 other bridges turn
Dynamic portion phase buckle, relatively rotatable between described bridge, when latch fitting 2 is under released state, sticking department 21 and all of bar
The rotation section of frame is separated, or in sticking department 21 and bridge, the rotation section phase of the other bridges except pedestal frame rotation section 11 takes off
From.As having fore shaft on the rotation section of each bridge, during locking, sticking department 21 is inserted in all of fore shaft, or pedestal frame turns
Dynamic portion 11 do not exist fore shaft can also, can forbid that the rotation section of each bridge mutually rotates, during unblock, sticking department 21 exits all
Fore shaft, or be only located in the fore shaft of pedestal frame rotation section 11, now the rotation section of each bridge can mutually rotate.No scheme
Show, vice versa on each rotation section, there are locking projections, and lockhole is offered on sticking department 21, during locking, own
Locking projections be all inserted in lockhole.
The rotational axis line of the second axle 25 of latch fitting 2 is along the rotary shaft of the first axle 13 perpendicular to pedestal frame rotation section 11
The direction of heart line extends.And the rotational axis line direction of the second axle 25 of the glide direction of unlock piece 3 and latch fitting 2, pedestal frame
The rotational axis line direction of the first axle 13 of rotation section 11 is all perpendicular.Unlock piece 3 is along the length direction of pedestal frame body 12
It is slidably arranged on pedestal frame body 12.As shown in accompanying drawing 3 accompanying drawing 4, pedestal frame body 12 includes elongated bridge, a fixation
It is placed in the case of its intracavity outside elongated bridge and by latch fitting 2 and unlock piece 3.The length direction of aforementioned pedestal frame body 12 is
The length direction of finger rack.
Described latch fitting 2 also has for the unblock auxiliary section 22 with described unlock piece 3 cooperation, described sticking department 21
The both sides relative with the rotational axis line that described unblock auxiliary section 22 is located at described latch fitting 2.I.e. being unlocked by pressing auxiliary section 22
When, sticking department 21 tilts.When unlock piece 3 Sliding Control latch fitting 2 rotates, pass through between latch fitting 2 and unlock piece 3 to unlock guiding surface
Conflict.Unblock auxiliary section 22 and at least one upper setting in unlock piece 3 two unlock guiding surface can, in the present embodiment,
Unblock is provided with latch fitting inclined-plane 23 on auxiliary section 22, and unlock piece 3 is provided with unlock piece inclined-plane 31, latch fitting inclined-plane 23 and unlock piece
Inclined-plane 31 matches.
Blocking portion 41 is had on safety piece 4, safety piece 4 has safety position and releases position with insurance, when safety piece 4 is in
Under safety position, blocking portion 41 is located on the sliding trace of unlock piece 3 and is located in the direction of advance of unlock piece 3, when safety piece 4
It is in insurance to release under position, blocking portion 41 leaves the sliding trace of unlock piece 3, sets between safety piece 4 and pedestal frame body 12
It is equipped with the insurance elastic component 43 making safety piece 4 elastic reset.
Be provided between latch fitting 2 and pedestal frame body 12 so that latch fitting 2 be stably in the lock state under locking elastic
Part 24.This locking elastic part 24 makes when discharging unlock piece 3 so that locking 2 has the reset rotating and tending to lock-out state
Elastic force.And this strength also makes unlock piece 3 slip reset.
It is necessary first to directly or indirectly operation safety piece 4 is so as to blocking portion 41 leaves unlock piece 3 when latch fitting is unlocked
Sliding trace direction, thus allowing unlock piece 3 to slide, more directly or indirectly operation unlock piece 3 so that it is slided, unlock piece 3
Inconsistent with latch fitting 2 in sliding process, thus controlling latch fitting 2 to rotate so that latch fitting 2 is changed to unblock shape in lock-out state
State.In whole releasing process, it is desirable to have two operating procedures, greatly reduce maloperation unblock, using safer.
Operating process: when such as latch fitting 2 need to be unlocked, it is necessary first to overcome insurance elastic component as shown in accompanying drawing 3 is to accompanying drawing 4
43 elastic force directly or indirectly drags the insurance manipulation portion 42 of safety piece 4 so as to blocking portion 41 leaves the slip of unlock piece 3
Track, thus allowing unlock piece 3 upward sliding, then overcomes the elastic force of locking elastic part 24 directly or indirectly to drag unlock piece
3 unblock manipulation portion 32 makes it slide, and unlock piece 3 is inconsistent with the unblock auxiliary section 22 of latch fitting 2 in sliding process, thus controlling
Lockmaking part 2 rotates clockwise so that sticking department 21 fore shaft that exits on rotation section, and latch fitting 2 is changed to unblock shape in lock-out state
State.
When latch fitting is locked, as shown in accompanying drawing 4 is to accompanying drawing 3, no matter successively release insurance manipulation portion 42 and unblock manipulation portion
32 can, insurance elastic component 43 give safety piece 4 reset force, locking elastic part 24 give latch fitting 2 reset force.If bridge rotation section
On fore shaft against sticking department 21, latch fitting 2 opposite base frame body 12 rotates counterclockwise and then sticking department 21 inserts each fore shaft, lock
In part 2 rotation process, coordinated so that unlock piece 3 slide downward resets by latch fitting inclined-plane 23 and unlock piece inclined-plane 31, then,
Safety piece 4 rotates under the reset force of insurance elastic component 43 and resets, and blocking portion 41 is kept off on the sliding trace of unlock piece 3 simultaneously again
In the direction of advance of unlock piece 3, latch fitting 2 is changed to lock-out state in released state；If the fore shaft on bridge rotation section
Not completely against locking piece 21, then need to rotate corresponding bridge so that the corresponding sticking department 21 of fore shaft is so that latch fitting 2 is in unblock
State Transferring is to lock-out state.
Include the children trolley of this folding joint as shown in accompanying drawing 1, accompanying drawing 2, bridge has three, and pedestal frame 1 is constituted
After-poppet, it is provided with wheel assembly 8, in addition a composition fore-stock 5 in two, and it is provided with front component 7, another in two
A piece composition push-rod frame 6.
Joint folding as above can also be applied in children dinning chair, and pedestal frame 1 constitutes after-poppet, in addition a structure in two
Become fore-stock, another composition back rest in two.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the technological thought license of the present invention
Change and enforcement.
Claims (10)
1. a kind of folding joint with expanded position and folding position, is connected at least including being rotated by respective rotation section
Two bridges, the locking mechanisms for locking between all described bridges, at least one in the bridge described in two is
Pedestal frame (1), described locking mechanism includes being rotatably connected on having on the described pedestal frame body (12) of pedestal frame (1)
The unlock piece (3) that the described latch fitting (2) of the latch fitting (2) of sticking department (21), control rotates, described latch fitting (2) has locking shape
State and released state, when described latch fitting (2) is in the lock state down, described sticking department (21) and all of described bridge
Rotation section phase buckle, or except described pedestal frame rotation section (11) in described sticking department (21) and described bridge
The rotation section phase buckle of other bridges, relatively not rotatable between described bridge, when described latch fitting (2) is in released state
Under, described sticking department (21) is separated with the rotation section of all of described bridge, or described sticking department (21) and institute
In the bridge stated except the rotation section of other bridges of described pedestal frame rotation section (11) is separated it is characterised in that: described
Unlock piece (3) be slidably arranged on described pedestal frame body (12), and by sliding thus controlling described latch fitting (2)
Rotate to realize locking and unblock；
Described locking mechanism also includes the safety piece (4) for stoping described unlock piece (3) from sliding, described safety piece
(4) it is movably arranged on described pedestal frame body (12)；
Blocking portion (41) is had on described safety piece (4), described safety piece (4) has safety position and releases position with insurance
Put, when described safety piece (4) is under safety position, described blocking portion (41) is located at the slip of described unlock piece (3)
On track and in the described direction of advance of unlock piece (3), release under position when described safety piece (4) is in insurance,
Described blocking portion (41) leaves the sliding trace of described unlock piece (3), described safety piece (4) and described pedestal frame master
It is provided between body (12) so that described safety piece (4) is stably in the insurance elastic component (43) under safety position.
2. folding joint according to claim 1 it is characterised in that: described safety piece (4) is rotationally connected to described
Pedestal frame body (12) on.
3. folding joint according to claim 1 it is characterised in that: have on described unlock piece (3) can directly or
The unblock manipulation portion (32) indirectly dragging, described safety piece (4) has the insurance manipulation portion that can directly or indirectly drag
(42).
4. folding joint according to claim 1 it is characterised in that: described latch fitting (2) also have for described
The unblock auxiliary section (22) that unlock piece (3) coordinates, described sticking department (21) and described unblock auxiliary section (22) are located at described
Latch fitting (2) the relative both sides of rotational axis line.
5. folding joint according to claim 4 it is characterised in that: the described lock described in unlock piece (3) Sliding Control
When part (2) rotates, pass through between described unblock auxiliary section (22) and described unlock piece (3) to unlock guiding surface conflict.
6. folding joint according to claim 1 it is characterised in that: the rotational axis line of described latch fitting (2) along hang down
The direction of the straight rotational axis line in described pedestal frame rotation section (11) extends, the described glide direction of unlock piece (3) with
The described rotational axis line direction of latch fitting (2), the rotational axis line direction of described pedestal frame rotation section (11) are all perpendicular.
7. folding joint according to claim 6 it is characterised in that: described unlock piece (3) is along described pedestal frame
The length direction of main body (12) is slidably arranged on described pedestal frame body (12).
8. folding joint according to claim 1 it is characterised in that: described latch fitting (2) and described pedestal frame body
(12) be provided between so that described latch fitting (2) be stably in the lock state under locking elastic part (24).
9. folding joint according to claim 1 it is characterised in that: described bridge has three.
10. a kind of children trolley of the folding joint described in any one including claim 1-8 it is characterised in that: institute
The bridge stated has three, respectively the fore-stock (5) in addition to described pedestal frame (1) and push-rod frame (6), described before
Front component (7) is provided with support (5), described pedestal frame (1) is provided with wheel assembly (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421210.8A CN104290792B (en) | 2014-08-25 | 2014-08-25 | Foldable joint and baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421210.8A CN104290792B (en) | 2014-08-25 | 2014-08-25 | Foldable joint and baby stroller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290792A CN104290792A (en) | 2015-01-21 |
| CN104290792B true CN104290792B (en) | 2017-02-01 |
Family
ID=52310808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421210.8A Active CN104290792B (en) | 2014-08-25 | 2014-08-25 | Foldable joint and baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104290792B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172622B (en) * | 2015-08-27 | 2018-03-30 | 富卓汽车内饰（安徽）有限公司 | For realizing the device and method of front-row seats of vehicle position adjustments |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401425Y (en) * | 1999-10-08 | 2000-10-18 | 康贝（上海）有限公司 | Double-locking mechanism for foldable pram |
| CN102009680A (en) * | 2010-11-25 | 2011-04-13 | 苏州威凯儿童用品有限公司 | Bidirectionally folding baby stroller |
| CN202152060U (en) * | 2011-06-15 | 2012-02-29 | 好孩子儿童用品有限公司 | Rotational joint and a buggy with same |
| GB2493223A (en) * | 2011-11-07 | 2013-01-30 | Unique Product & Design Co Ltd | A folding stroller with an independent frame and chair |
| CN204055904U (en) * | 2014-08-25 | 2014-12-31 | 好孩子儿童用品有限公司 | Folding joint and children trolley |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201082719Y (en) * | 2006-09-21 | 2008-07-09 | 明门实业股份有限公司 | Foldable baby carriage |
| CN201784663U (en) * | 2010-01-28 | 2011-04-06 | 中山市隆成日用制品有限公司 | Baby stroller joint with safety fasteners |
-
2014
- 2014-08-25 CN CN201410421210.8A patent/CN104290792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2401425Y (en) * | 1999-10-08 | 2000-10-18 | 康贝（上海）有限公司 | Double-locking mechanism for foldable pram |
| CN102009680A (en) * | 2010-11-25 | 2011-04-13 | 苏州威凯儿童用品有限公司 | Bidirectionally folding baby stroller |
| CN202152060U (en) * | 2011-06-15 | 2012-02-29 | 好孩子儿童用品有限公司 | Rotational joint and a buggy with same |
| GB2493223A (en) * | 2011-11-07 | 2013-01-30 | Unique Product & Design Co Ltd | A folding stroller with an independent frame and chair |
| CN204055904U (en) * | 2014-08-25 | 2014-12-31 | 好孩子儿童用品有限公司 | Folding joint and children trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104290792A (en) | 2015-01-21 |
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