CN208198533U - Locking mechanism and children trolley with secondary locking function - Google Patents
Locking mechanism and children trolley with secondary locking function Download PDFInfo
- Publication number
- CN208198533U CN208198533U CN201820338364.4U CN201820338364U CN208198533U CN 208198533 U CN208198533 U CN 208198533U CN 201820338364 U CN201820338364 U CN 201820338364U CN 208198533 U CN208198533 U CN 208198533U
- Authority
- CN
- China
- Prior art keywords
- locking
- latch fitting
- principal solution
- solution latch
- mating surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims description 43
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model relates to a kind of locking mechanism and children trolley with secondary locking function, locking mechanism includes main locking mechanism, for unlocking the principal solution latch fitting of main locking mechanism, secondary latched mechanism for locking principal solution latch fitting, for unlocking the secondary unlocking part of secondary latched mechanism, secondary latched mechanism includes that can offset to rotate it secondary locking part to form blocking with principal solution latch fitting, secondary unlocking part matches driving secondary locking part with secondary locking part and is detached from principal solution latch fitting, when secondary latched mechanism locks, secondary locking part resists on principal solution latch fitting, principal solution latch fitting can not rotate；When secondary latched mechanism unlocks, secondary locking part is detached from principal solution latch fitting, and principal solution latch fitting can rotate unlock.The locking mechanism with secondary locking function of the utility model, which is formed the rotation of principal solution latch fitting by secondary locking part, to be stopped, and maloperation is effectively avoided, so that main locking mechanism is safe and reliable in lock state；And its structure is simple, does not increase the volume of children trolley.
Description
Technical field
The utility model relates to articles for children field, more particularly to a kind of locking mechanism with secondary locking function and
Children trolley.
Background technique
Referring to the patent of Publication No. CN205440485U, a kind of children trolley is disclosed, including folding vehicle frame, set
In the wheel assembly of bottom of frame, vehicle frame includes the fore-stock of the lower part phase pivot connection of push rod, top and push rod, upper pivot company
Connect the after-poppet on push rod, along front extend and front be pivotally connected on fore-stock front stall bar, along rear extend and after
After back seat bar, the lower pivot that portion is pivotally connected on after-poppet are connected to the pull rod of the front of back seat bar and are pivotally connected in
Back support bar on seat bar, the rear portion of front stall bar have a front connector, and the front of rear seatpost has a rear joint, front connector and rear joint it
Between be pivotally connected, at least one of top and the lower part of push rod of fore-stock are connect with the upper pivot of pull rod, children trolley
It further include that the vehicle frame locking piece for being used to lock the two between front connector and rear joint is set, is arranged in back support bar and rear joint
Between be equipped with backrest locking piece for locking the two and unlock backrest locking with being used to unlock vehicle frame locking piece linkage
The vehicle frame unlock piece of part.
The advantages of children trolley, is: passing through vehicle frame unlock piece linkage of unlocking vehicle frame locking piece and backrest locking piece, solution
Each rod piece in lock Rear frame can be automatically close together, and realization one, which is carried, rolls over, and the folding operation of vehicle frame is very convenient, folding
The body frame structure for automotive of poststack is compact, and occupied space is also smaller.
But vehicle frame locking piece, backrest locking piece are only locked together by vehicle frame unlock piece and carry out operation unlock, exist at this time
Once maloperation vehicle frame unlock piece makes vehicle frame locking piece, the unlock of backrest locking piece to make vehicle frame folding in use process, i.e., can
Cause safety accident.
Summary of the invention
One purpose of the utility model is to provide a kind of locking mechanism with secondary locking function.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of locking mechanism with secondary locking function, including main locking mechanism, for unlocking the main locking machine
The principal solution latch fitting of structure, when the rotation principal solution latch fitting, the main locking mechanism unlock, the locking mechanism further includes using
In by the secondary latched mechanism of the described principal solution latch fitting locking, the secondary unlocking part for being used to unlock the secondary latched mechanism,
The secondary latched mechanism includes that can offset to rotate it secondary locking part to form blocking, institute with the principal solution latch fitting
The secondary unlocking part stated matches the driving secondary locking part with the secondary locking part and is detached from the principal solution latch fitting,
When the secondary latched mechanism locking, the secondary locking part is resisted on the principal solution latch fitting, the principal solution
Latch fitting can not rotate；When the secondary latched mechanism unlock, the secondary locking part is detached from the principal solution latch fitting,
The principal solution latch fitting can rotate unlock.
Preferably, one end of the secondary locking part can be rotated around pin shaft, the other end of the secondary locking part
It can offset with the principal solution latch fitting and it is rotated to form blocking.
Preferably, second for there is the first mating surface on the principal solution latch fitting, being connected with first mating surface
Mating surface forms the angle of 0-90 degree between first mating surface and second mating surface；The secondary locking
There is third mating surface, the 4th mating surface on part, it is described when the secondary locking part resists on the principal solution latch fitting
The first mating surface and the third mating surface, second mating surface and the 4th mating surface at least one set
Face fits.
Preferably, the secondary latched mechanism further include be connected with the secondary locking part, give always its with
The principal solution latch fitting offsets the first elastomeric element of elastic force.
Preferably, be provided with convex block on the secondary locking part between its both ends, the secondary unlocking part with
The convex block offsets, and when the operation secondary unlocking part, the secondary unlocking part passes through described in the convex block promotion
Secondary locking part be detached from the principal solution latch fitting.
Preferably, it is connected on the secondary unlocking part and gives its holding the secondary latched mechanism locking bullet always
Second elastomeric element of property power.
Preferably, the principal solution latch fitting, secondary unlocking part are located at the ipsilateral of the secondary locking part.
Another purpose of the utility model is to provide a kind of children trolley.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of children trolley, it includes the locking mechanisms with secondary locking function.
Preferably, the children trolley includes folding vehicle frame, set on the wheel assembly of the bottom of frame, described
Vehicle frame include that push rod, upper pivot are connected to the fore-stock of the push rod lower part, upper pivot is connected to the push rod
On after-poppet, extend along front and front stall bar that front is pivotally connected on the fore-stock, extend along rear and rear portion
The back seat bar, the lower pivot that are pivotally connected on the after-poppet are connected to the pull rod and pivot of the front of the back seat bar
Back support bar of the axis connection on the back seat bar, the rear portion of the front stall bar have a front connector, before the rear seatpost
Portion have rear joint, be pivotally connected between the front connector and the rear joint, the top of the fore-stock with it is described
At least one of the lower part of push rod connect with the upper pivot of the pull rod, the main locking mechanism includes that setting exists
Between the front connector and the rear joint for by vehicle frame locking piece that the two lock, be arranged in the back support bar and
The backrest locking piece for locking the two is equipped between the rear joint, the principal solution latch fitting is used to unlock the vehicle
Unlock to frame locking piece linkage the backrest locking piece.
Preferably, the back support bar, secondary locking part are pivotally connected in the rear joint by same；Described
Secondary unlocking part is pivotally connected in the rear joint.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
The locking mechanism with secondary locking function of the utility model passes through rotation of the secondary locking part to principal solution latch fitting
It is formed and is stopped, maloperation is effectively avoided, so that main locking mechanism is safe and reliable in lock state；And its structure is simple, no
Increase the volume of children trolley.
Detailed description of the invention
Attached drawing 1 is the schematic diagram one of children trolley in the present embodiment；
Attached drawing 2 is the status diagram of main locking mechanism in the present embodiment, secondary latched mechanism locking；
Attached drawing 3 is the status diagram of main locking mechanism locking, secondary latched mechanism unlock in the present embodiment；
Attached drawing 4 is the status diagram of main locking mechanism in the present embodiment, secondary latched mechanism unlock；
Attached drawing 5 is the schematic diagram two of children trolley in the present embodiment；
Attached drawing 6 is the portion A enlarged drawing in attached drawing 5；
Attached drawing 7 is the schematic diagram three of children trolley in the present embodiment；
Attached drawing 8 is the portion B enlarged drawing in attached drawing 7.
Wherein: 1, vehicle frame；10, push rod；11, fore-stock；12, after-poppet；13, front stall bar；14, back seat bar；15, pull rod；
16, back support bar；17, front connector；18, rear joint；2, wheel assembly；30, principal solution latch fitting；300, the first mating surface；301, second matches
Conjunction face；31, secondary unlocking part；32, secondary locking part；320, third mating surface；321, the 4th mating surface；322, convex block；33,
One elastomeric element；34, the second elastomeric element；4, pin shaft.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
A kind of children trolley as shown in Fig. 1,5,8, including folding vehicle frame 1, the wheel assembly 2 set on 1 bottom of vehicle frame,
After vehicle frame includes push rod 10, upper pivot is connected to the fore-stock 11 of 10 lower part of push rod, upper pivot is connected on push rod 10
Bracket 12 extends and front is pivotally connected in front stall bar 13 on fore-stock 11, extends along rear and back pivot connects along front
It connects after back seat bar 14, the lower pivot on after-poppet 12 are connected to the pull rod 15 of the front of back seat bar 14 and are pivotally connected in
Back support bar 16 on seat bar 14, the rear portion of front stall bar 13 have front connector 17, and the front of rear seatpost 14 has rear joint 18, preceding to connect
It is pivotally connected between first 17 and rear joint 18, at least one of lower part of the top of fore-stock 11 and push rod 10 and pull rod 15
Upper pivot connection.
In this way: constitute a four-bar mechanism between fore-stock 11, front stall bar 13, back seat bar 14 and pull rod 15, push rod 10, after
Another four-bar mechanism is constituted between bracket 12, back seat bar 14 and pull rod 15, by locking just one of four-bar mechanism
The two four-bar mechanisms can be locked simultaneously so that push rod 10, fore-stock 11, after-poppet 12, front stall bar 13, back seat bar 14 and
Mutually locking between pull rod 15 realizes the locking of vehicle frame 1.
A kind of locking mechanism with secondary locking function is used in the present embodiment, as shown in Fig. 2-4,6,8: locking machine
Structure includes main locking mechanism, the principal solution latch fitting 30 for unlocking main locking mechanism, the secondary lock for locking principal solution latch fitting 30
Determine mechanism, the secondary unlocking part 31 for unlocking secondary latched mechanism.Wherein:
Main locking mechanism include be arranged between front connector 17 and rear joint 18 for the two is locked vehicle frame locking piece,
The backrest locking piece being equipped between back support bar 16 and rear joint 18 for locking the two is set, and principal solution latch fitting 30 is for unlocking
Unlock backrest locking piece to vehicle frame locking piece linkage.When rotation principal solution latch fitting 30, main locking mechanism, that is, vehicle frame locking piece, backrest
Locking piece can be with linkage of unlocking.The structure of main locking mechanism is referred to the patent of Publication No. CN205440485U, herein not
It is repeated again.
Secondary latched mechanism include can offset with principal solution latch fitting 30 it is rotated the secondary locking part 32 to form blocking, with
Secondary locking part 32 is connected, gives its first elastomeric element 33 for offseting elastic force with principal solution latch fitting 30 always；Secondary unlocking
Part 31 matches driving secondary locking part 32 with secondary locking part 32 and is detached from principal solution latch fitting 30, principal solution latch fitting 30, secondary unlocking part
31 are located at the ipsilateral of secondary locking part 32.
In the present embodiment: one end of secondary locking part 32, back support bar 16 are connected to rear joint 18 by same pin shaft 4
On, the other end of secondary locking part 32 can offset with principal solution latch fitting 30 to be rotated it to form blocking.Have on principal solution latch fitting 30
First mating surface 300, the second mating surface 301 being connected with the first mating surface 300, the first mating surface 300 and the second mating surface
The angle of 0-90 degree is formed between 301；The other end of secondary locking part 32 has third mating surface 320, the 4th mating surface 321,
Third mating surface 320, the 4th mating surface 321 are also connected and corresponding with the first mating surface 300, the second mating surface 301 respectively；When
Secondary locking part 32 resists when on principal solution latch fitting 30, the first mating surface 300 and third mating surface 320, the second mating surface 301 with
At least one set of face in 4th mating surface 321 fits, and guarantees the stability to offset.First elastomeric element 33 is to be set in pin shaft
Torsional spring on 4.
Convex block 322 is provided on secondary locking part 32 between its both ends, secondary unlocking part 21 offsets with convex block 322.
Secondary unlocking part 31 is connected in rear joint 18 by pin shaft.It is connected on secondary unlocking part 32 and gives its secondary lock of holding always
Determine the second elastomeric element 34 of mechanism locking elastic power, the second elastomeric element 34 is also the torsional spring being set on pin shaft.
When secondary latched mechanism locking, secondary locking part 32 is resisted on principal solution latch fitting 30, due to the first mating surface 300
It is bonded with third mating surface 320, the second mating surface 301 with the 4th mating surface 321, so that principal solution latch fitting 30 can not rotate, it is main
Locking mechanism can not unlock, as shown in Figure 2；When rotation secondary unlocking part 31, secondary unlocking part 31 is pushed secondary by convex block 322
Locking piece 32,32 one end of secondary locking part are rotated around pin shaft 4, so that the other end of secondary locking part 32 is detached from principal solution latch fitting 30, such as
Shown in Fig. 3, the rotation of principal solution latch fitting 30 at this time is no longer limited, rotates principal solution latch fitting 30, and main locking mechanism may be implemented to unlock, and such as schemes
Shown in 4.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of locking mechanism with secondary locking function, including main locking mechanism, for unlocking the main locking mechanism
Principal solution latch fitting, when the rotation principal solution latch fitting, the main locking mechanism unlock, the locking mechanism further includes being used for
By secondary latched mechanism that the principal solution latch fitting locks, the secondary unlocking part for being used to unlock the secondary latched mechanism,
Be characterized in that: the secondary latched mechanism includes that can offset to rotate to form the secondary of blocking to it with the principal solution latch fitting
Locking piece, the secondary unlocking part are matched with the secondary locking part described in the driving secondary locking part disengaging
Principal solution latch fitting, when the secondary latched mechanism locking, the secondary locking part is resisted on the principal solution latch fitting, institute
The principal solution latch fitting stated can not rotate；When the secondary latched mechanism unlock, the secondary locking part is detached from described
Principal solution latch fitting, the principal solution latch fitting can rotate unlock.
2. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the secondary locking
One end of part can be rotated around pin shaft, and the other end of the secondary locking part can offset with the principal solution latch fitting to its turn
Dynamic formed stops.
3. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the principal solution latch fitting
It is upper with the first mating surface, the second mating surface being connected with first mating surface, first mating surface with it is described
The second mating surface between formed 0-90 degree angle；There is third mating surface, the 4th mating surface on the secondary locking part,
When the secondary locking part resists on the principal solution latch fitting, first mating surface and the third cooperate
Face, second mating surface and at least one set of face in the 4th mating surface fit.
4. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the secondary locking
Mechanism further includes being connected with the secondary locking part, giving it always and offset the first of elastic force with the principal solution latch fitting
Elastomeric element.
5. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the secondary locking
Convex block is provided on part between its both ends, the secondary unlocking part offsets with the convex block, when operation it is described two
Secondary unlock piece, the secondary unlocking part push the secondary locking part to be detached from the principal solution lock by the convex block
Part.
6. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the secondary unlocking
It is connected on part and gives its second elastomeric element for keeping the secondary latched mechanism locking elastic power always.
7. the locking mechanism according to claim 1 with secondary locking function, it is characterised in that: the principal solution lock
Part, secondary unlocking part are located at the ipsilateral of the secondary locking part.
8. a kind of children trolley, it is characterised in that: it includes bands described in any one of the claims 1-7 claim
There is the locking mechanism of secondary locking function.
9. children trolley according to claim 8, it is characterised in that: it includes folding vehicle frame, set on the vehicle
The wheel assembly of frame bottom, the vehicle frame include fore-stock, the top pivot that push rod, upper pivot are connected to the push rod lower part
Axis connection on the push rod after-poppet, extend along front and front is pivotally connected in front stall on the fore-stock
Bar is connected to the back seat along rear extends and back pivot is connected on the after-poppet back seat bar, lower pivot
The pull rod of the front of bar and the back support bar being pivotally connected on the back seat bar, the rear portion of the front stall bar connects before having
The front of head, the back seat bar has rear joint, is pivotally connected between the front connector and the rear joint, described
At least one of the top of fore-stock and described lower part of push rod are connect with the upper pivot of the pull rod, the master
Locking mechanism include be arranged between the front connector and the rear joint for by vehicle frame locking piece that the two locks, set
Set the backrest locking piece being equipped between the back support bar and the rear joint for locking the two, the principal solution lock
Part unlocks the backrest locking piece with being used to unlock the vehicle frame locking piece linkage.
10. children trolley according to claim 9, it is characterised in that: the back support bar, secondary locking part pass through same
It is pivotally connected in the rear joint；The secondary unlocking part is pivotally connected in the rear joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338364.4U CN208198533U (en) | 2018-03-13 | 2018-03-13 | Locking mechanism and children trolley with secondary locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338364.4U CN208198533U (en) | 2018-03-13 | 2018-03-13 | Locking mechanism and children trolley with secondary locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208198533U true CN208198533U (en) | 2018-12-07 |
Family
ID=64527778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820338364.4U Active CN208198533U (en) | 2018-03-13 | 2018-03-13 | Locking mechanism and children trolley with secondary locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208198533U (en) |
-
2018
- 2018-03-13 CN CN201820338364.4U patent/CN208198533U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204415628U (en) | A kind of folding vehicle | |
| CN205381163U (en) | Car seat turns over linkage unlocking structure who rolls over | |
| CN208198533U (en) | Locking mechanism and children trolley with secondary locking function | |
| CN107323513B (en) | Baby stroller seat pocket and baby stroller | |
| CN110155148A (en) | Infant car seat pocket | |
| CN211252740U (en) | Children's shallow seat pocket locking mechanical system | |
| CN100471742C (en) | Bidirectional folding vehicle | |
| CN204415629U (en) | A kind of folding vehicle | |
| CN205853931U (en) | A kind of automotive seat F.F. goes out multiposition tripper and automotive seat soon | |
| CN113071553B (en) | Seat pocket structure of baby carrier | |
| CN104176101B (en) | A kind of children trolley | |
| CN105644605B (en) | A kind of linkage of unlocking device | |
| CN205440485U (en) | Children's trolley | |
| CN207955753U (en) | A kind of children's root decline and children trolley | |
| CN206664366U (en) | Fold-down vehicle seat is rested the head on | |
| CN102991383B (en) | Multifunctional automobile seat adjusting handle convenient to assemble and disassemble | |
| CN207311198U (en) | Automobile seat for child | |
| CN108909551A (en) | A kind of foldable integrated child seat | |
| CN205468648U (en) | Automotive safety seat for children | |
| CN205554269U (en) | Child cart | |
| CN208585296U (en) | One kind can child stroller capable of transforming for one child or two children | |
| CN108275192A (en) | Perambulator | |
| CN104210392B (en) | A kind of child safety seat | |
| CN207550275U (en) | A kind of linkage folding/unfolding joint and the trolley containing it | |
| CN205930851U (en) | Rotatory switching -over formula handcart in seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |