CN105270464B - Locking mechanism and children trolley with secondary locking function - Google Patents
Locking mechanism and children trolley with secondary locking function Download PDFInfo
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- CN105270464B CN105270464B CN201510696900.9A CN201510696900A CN105270464B CN 105270464 B CN105270464 B CN 105270464B CN 201510696900 A CN201510696900 A CN 201510696900A CN 105270464 B CN105270464 B CN 105270464B
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Abstract
The invention discloses a kind of locking mechanism and children trolley with secondary locking function, wherein locking mechanism includes first component, the second component that can be slidably arranged in along the bearing of trend of the first component on the first component, for main locking mechanism, the second lock mechanism for the main locking mechanism to be locked for mutually locking the first component with the second component.The locking mechanism with secondary locking function is simple in construction, can mutually lock relative two parts slided, because locking mechanism carries secondary locking function so that locking mechanism is safe and reliable in lock-out state.
Description
Technical field
Present invention relates particularly to a kind of locking mechanism and children trolley with secondary locking function.
Background technology
Children trolley includes the stroller frame with expansion and folded state, for stroller frame to be locked in into deployed condition
Locking mechanism, locking mechanism of the prior art typically all only together lock, the locking mechanism of this structure is in children trolley
Easy maloperation unlocks locking mechanism during use, so that stroller frame folds, causes security incident.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the prior art, there is provided a kind of locked secure reliably carries secondary locking
The locking mechanism of function.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of locking mechanism with secondary locking function, including first component, can be along the extension of the first component
Direction is slidably arranged in the second component on the first component, it is characterised in that：The locking mechanism also includes being used to incite somebody to action
Main locking mechanism that the first component mutually locks with the second component, two locks for the main locking mechanism to be locked
Mechanism,
The main locking mechanism includes to be rotatably arranged on the first component and can be with the second component
The lock pin for coordinating or disengaging, when the main locking mechanism is in the lock state, the lock pin is matched somebody with somebody with the second component
To close, the relative position of the second component and the first component is fixed, when the main locking mechanism is in released state, institute
State lock pin to disengage with the second component, the second component can slide on the first component；
The main locking mechanism also include being engaged with the lock pin for make main locking mechanism unblock unlock piece,
The connector being rotationally connected with the first component, the lock pin are arranged on the connector and being capable of relatively described unblocks
Part is slided, and the unlock piece can be slidably arranged on the first component, and the unlock piece is sliding on the first component
Dynamic to drive the connector to rotate, the connector makes the lock pin depart from the second component, so that the main locking machine
Structure unlocks；
The second lock mechanism includes being used to limit the two lock closing pieces that the unlock piece slides, when the second lock mechanism
When being in the lock state, the two lock closing piece coordinates with the unlock piece, prevents the unlock piece from the first component
Upper slip, when the second lock mechanism is in released state, the two locks closing piece disengages with the unlock piece, described
Unlock piece can slide on the first component unlocks the main locking mechanism.
Preferably, the second component is provided with the locked groove being engaged with the lock pin, when the main locking mechanism is in
During lock-out state, the lock pin is inserted in the locked groove, when the main locking mechanism is in released state, the lock pin and institute
State locked groove separation.
Preferably, the unlock piece is provided with the second inclined-plane, and the external cylindrical surface of the lock pin, which supports, is located at second inclined-plane
On, when the unlock piece is sliding unblock on the first component, pass through matching somebody with somebody for second inclined-plane and the external cylindrical surface
Conjunction makes the lock pin deviate from from the locked groove.
Preferably, the second component is provided with the first inclined-plane being engaged with the lock pin.
Preferably, it is provided between the connector and the first component and is used to drive the lock pin to reset to lock-out state
The first reset element.
Preferably, the two locks closing piece can be rotatably arranged on the first component.
Preferably, the two locks closing piece includes latch hook, when the second lock mechanism is in the lock state, the latch hook
It is engaged with the unlock piece, when the second lock mechanism is in released state, the latch hook disengages with the unlock piece matches somebody with somebody
Close.
Further, the second lock mechanism also includes playing tongue, and the bullet tongue can be slidably arranged in described first
On part, when the second lock mechanism is in the lock state, the end face for playing tongue and described two lock closing pieces offsets, and works as drawing
When the dynamic two locks closing piece unlocks the second lock mechanism, the latch hook disengaged with the unlock piece and with the bullet
Tongue, which offsets, makes the two locks closing piece placed in a suspend state.
Further, the second lock mechanism also includes playing tongue seat, and the bullet tongue seat can be slidably arranged in described
On first component, the bullet tongue can be slidably arranged on the bullet tongue seat, when the locking mechanism is in the lock state,
The end face for playing tongue seat is engaged with the second component, when the main locking mechanism unlocks the second component described
When being slided on first component, the bullet tongue seat can slide on the first component.
It is a further object of the present invention to provide a kind of children trolley, the children trolley is included with expansion and folded state
Stroller frame, the locking mechanism for the stroller frame to be locked in deployed condition, the locking mechanism is using as described above
Locking mechanism described in any one.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：The present invention's carries
The locking mechanism of secondary locking function is simple in construction, can mutually lock relative two parts slided, because locking mechanism carries
Secondary locking function so that locking mechanism is safe and reliable in lock-out state.
Brief description of the drawings
Accompanying drawing 1 is one of structural representation of locking mechanism with secondary locking function of the present invention（Main locking mechanism
Lock-out state is in two mechanisms）；
Accompanying drawing 2 is the two of the structural representation of the locking mechanism with secondary locking function of the present invention（Main locking mechanism
Lock-out state is in two mechanisms）；
Structural representation when accompanying drawing 3 is in the lock state for the main locking mechanism of the present invention；
Accompanying drawing 4 is in structural representation during released state for the main locking mechanism of the present invention；
Accompanying drawing 5 is along the sectional view of line A-A in accompanying drawing 1（Main locking mechanism is in the lock state）；
Accompanying drawing 6 is enlarged drawing at A in accompanying drawing 5；
Accompanying drawing 7 is one of schematic diagram of main locking mechanism locking process of the present invention；
Accompanying drawing 8 is the two of the schematic diagram of the main locking mechanism locking process of the present invention；
Accompanying drawing 9 is the three of the schematic diagram of the main locking mechanism locking process of the present invention；
Accompanying drawing 10 is along the sectional view of line A-A in accompanying drawing 2（Second lock mechanism is in the lock state）；
Accompanying drawing 11 is enlarged drawing at A in accompanying drawing 10；
Accompanying drawing 12 is in enlarged drawing during released state for second lock mechanism at A in accompanying drawing 10；
Accompanying drawing 13 is the structural representation of the children trolley of the present invention；
Accompanying drawing 14 is enlarged drawing at A in accompanying drawing 13.
Wherein：1st, first component；2nd, second component；21st, locked groove；22nd, the first inclined-plane；
3rd, main locking mechanism；31st, lock pin；32nd, connector；33rd, first axle；34th, unlock piece；341st, the second inclined-plane；35th,
One reset element；
4th, second lock mechanism；41st, pedestal；42nd, two lock closing piece；421st, latch hook；43rd, the second axle；44th, tongue is played；45th, tongue is played
Seat；46th, elastic component；47th, the second reset element；48th, the 3rd reset element；
5th, stroller frame；51st, after-poppet；52nd, sliding block；6th, front component；7th, wheel assembly.
Embodiment
Technical scheme is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1 ~ Figure 12, the locking mechanism with secondary locking function of the invention includes first component 1, Neng Gouyan
The bearing of trend of first component 1 is slidably arranged in second component 2 on first component 1, for by first component 1 and second
Main locking mechanism 3 that the relative position of part 2 mutually locks, the second lock mechanism 4 for main locking mechanism 3 to be locked.
As shown in Fig. 1 ~ Fig. 6, main locking mechanism 3 includes lock pin 31 and connector 32, the one end of connector 32 and first
Part 1 is rotated connection by first axle 33, and lock pin 31 is fixedly connected on the other end of connector 32, and the two is turned into one whole
Body, second component 2 are provided with the locked groove 21 being engaged with lock pin 31.When main locking mechanism 3 is in the lock state, lock pin 31 is inserted
Enter in locked groove 21, the relative position of first component 1 and second component 2 is fixed；When main locking mechanism 3 unlocks, connector 32 with
The entirety that lock pin 31 is formed rotates around the relative thereto 1 of first axle 33, until lock pin 31 separates with locked groove 21, second component 2
Can relative thereto 1 slide.
The unitary rotation that the main locking mechanism 3 also includes being used to drive connector 32 to be formed with lock pin 31 is so that lock pin 31
The unlock piece 34 deviate from from locked groove 21, unlock piece 34 can be slidably arranged in first along the bearing of trend of first component 1
On part 1, unlock piece 34 is provided with the second inclined-plane 341 being engaged with lock pin 31, when main locking mechanism 3 is in the lock state,
The external cylindrical surface of lock pin 31 is supported and is located on the second inclined-plane 341, when main locking mechanism 3 unlocks, pulls unlock piece 34 to make unlock piece 34
Slided on first component 1, in the process by the cooperation on the second inclined-plane 341 and the periphery of lock pin 31, make connector 32 with
The unitary rotation that lock pin 31 is formed, until lock pin 31 is deviate from from locked groove 21, main locking mechanism 3 just unlocks.
Main locking mechanism 3 also includes the first reset element for being used to make the integral reset of connector 32 and the formation of lock pin 31
35, in the present embodiment, the first reset element 35 uses extension spring, and the both ends of extension spring are fixed with connector 32 and first component 1 respectively
Connection, during main locking mechanism 3 unlocks, extension spring is stretched, and when main locking mechanism 3 unlocks completely, second component 2 is along the
After one part 1 slides certain distance, the entirety that connector 32 and lock pin 31 are formed resets in the presence of tension spring.
The one end of second component 2 is provided with the first inclined-plane 22 being engaged with lock pin 31, when main locking mechanism 3 is locked again
Regularly, the relative thereto 1 of second component 2 slides along opposite direction during unblock, when the relative thereto 1 of second component 2 slides
After certain distance, the external cylindrical surface of lock pin 31, which supports, to be located on the first inclined-plane 22, as shown in fig. 7, second component 2 continues to slide, is led to
The cooperation on the first inclined-plane 22 and the external cylindrical surface of lock pin 31 is crossed, connector 32 and lock pin 31 are formed overall relative around first axle 33
First component 1 turns an angle, as shown in figure 8, second component 2 continues to slide, the entirety that connector 32 and lock pin 31 are formed
Being rotated in the presence of the elastic force of the first reset element 35 around first axle 33 makes lock pin 31 be inserted into locked groove 21, main locking mechanism 3
Just it is in the lock state again, as shown in Figure 9.
Second lock mechanism 4 is used to lock the position of unlock piece 34, so that main locking mechanism 3 can not unlock.As Figure 10 ~
Shown in Figure 12, pedestal 41 that second lock mechanism 4 includes being fixed on first component 1, rotated by the second axle 43 with pedestal 41
Two lock closing pieces 42 of connection, two lock closing pieces 42 are provided with latch hook 421, and pedestal 41 is provided with perforate, at second lock mechanism 4
When lock-out state, latch hook 421 is engaged after passing through the perforate with unlock piece 34 so that unlock piece 34 can not be in first component 1
Upper slip, when pulling two lock closing pieces 42, two lock closing pieces 42 rotate around the opposite base 41 of the second axle 43 so that latch hook 421
Disengaged with unlock piece 34, second lock mechanism 4 is just in released state, now, unlock piece 34 can be slided along first component 1 from
And unlock main locking mechanism 3.
Second lock mechanism 4 is additionally included in the bullet tongue of the releasing process Zhong Shi bis- of second lock mechanism 4 lock closing piece 42 pause actions
44, playing tongue 44 can be slidably arranged on bullet tongue seat 45, and playing tongue seat 45 can be slidably arranged on pedestal 41, specifically,
Elastic component 46 is provided between playing tongue 44 and playing tongue seat 45, when second lock mechanism 4 is in the lock state, plays the end face of tongue 44
Offseted with the end face of two lock closing pieces 42, now elastic component 46 is compressed, when second lock mechanism 4 unlock, when latch hook 421 and
After unlock piece 34 is completely disengaged, bullet tongue 44, which is ejected in the presence of the elastic force of elastic component 46 and supported from tongue seat 45 is played, is located at latch hook
On 421, make the two lock akinesias of closing piece 42, the state in pause, now unclamp two lock closing pieces 42, two lock closing pieces 42
It can not reset, pull unlock piece 34 to unlock main locking mechanism 3 so that the unblock of locking mechanism of the invention more saves
Power, conveniently.In the present embodiment, elastic component 46 uses stage clip.
Second lock mechanism 4 also includes being used to drive two lock closing pieces 42 to reset to when making second lock mechanism 4 in locking
Second resetting-mechanism 47 of state and the 3rd resetting-mechanism 48, the second resetting-mechanism 47 be arranged on play tongue seat 45 and pedestal 41 it
Between, the 3rd resetting-mechanism 48 is arranged between the lock closing piece 42 of pedestal 41 and two, on two lock closing pieces 42, the 3rd resetting-mechanism
48 and latch hook 421 be located at the both sides of the second axle 43 respectively, in the present embodiment, the second resetting-mechanism 47 and the 3rd resetting-mechanism 48 are equal
Using stage clip, during second lock mechanism 4 is in the lock state and second lock mechanism 4 unlocks, the end face of tongue seat 45 is played
With second component 2 all the time in the state coordinated, play tongue seat 45 and be in stationary state, be now placed in playing tongue seat 45 and pedestal 41 it
Between stage clip be in the state compressed, the stage clip locked positioned at pedestal 41 and two between closing piece 42 is also at the shape compressed
State, when the relative thereto 1 of second component 2 slides after the unblock of main locking mechanism 3, second component 2 and play between tongue seat 45 by
Gradually disengage, play tongue seat 45 and slided in the presence of the elastic force of the second resetting-mechanism 47, bullet tongue 44 is gradually disengaged with latch hook 421, together
In the presence of the elastic force of the resetting-mechanisms 48 of Shi tri-, two lock closing pieces 42 turn around the second axle 43 along the direction opposite with during unblock
It is dynamic, until second lock mechanism 4 is in the lock state again.
In summary, the locking mechanism with secondary locking function of the invention is simple in construction, can be by the two of relative slip
Individual part mutually locks, because locking mechanism carries secondary locking function so that and locking mechanism is safe and reliable in lock-out state, and
Locking mechanism has pause function in unblock so that unblock is more laborsaving, conveniently.
The invention also discloses a kind of children trolley, as shown in Figure 13 and Figure 14, the children trolley include having expansion and
The stroller frame 5 of folded state, it is arranged on the anterior front component 6 in the bottom of stroller frame 5, is arranged on the bottom rear portion of stroller frame 5
Wheel assembly 7, the locking mechanism for stroller frame 5 to be locked in deployed condition, after stroller frame 5 is comprised at least for installing
The after-poppet 51 of wheel assembly 7, the sliding block 52 that can be slidably arranged in along the bearing of trend of after-poppet 51 on after-poppet 51, locking
Mechanism, which is arranged between sliding block 52 and after-poppet 51, to be used to lock the relative position of the two, and the locking mechanism uses above-mentioned technology
Locking mechanism in scheme, i.e. the first component 1 in the corresponding above-mentioned technical proposal of after-poppet 51, the corresponding above-mentioned technology of sliding block 52
Second component 2 in scheme.
When the children trolley is in deployed condition, main locking mechanism 3 and second lock mechanism 4 are in lock-out state, from
And can prevent children trolley in use because maloperation unlocks main locking mechanism 3, cause security incident.
When the children trolley needs to fold, second lock mechanism 4 is first unlocked, after second lock mechanism 4 unlocks, pulls unlock piece
34, unlock piece 34, which slides, drives main locking mechanism 3 to unlock, and after main locking mechanism 3 unlocks, sliding block 52 can be slided with respect to after-poppet 51
Dynamic, whole stroller frame 5 can fold.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (9)
1. a kind of locking mechanism with secondary locking function, including first component, can be along the extension side of the first component
To the second component being slidably arranged on the first component, it is characterised in that：The locking mechanism also includes being used for institute
State main locking mechanism, two lock machines for the main locking mechanism to be locked that first component mutually locks with the second component
Structure,
The main locking mechanism includes to be rotatably arranged on the first component and with the second component can coordinating
Or the lock pin to disengage, when the main locking mechanism is in the lock state, the lock pin coordinates with the second component, institute
The relative position for stating second component and the first component is fixed, when the main locking mechanism is in released state, the lock
Pin disengages with the second component, and the second component can slide on the first component；
The main locking mechanism also includes being engaged with the lock pin for making the unlock piece of the main locking mechanism unblock, rotating
The connector being connected on the first component, the lock pin are arranged on the connector and being capable of relatively described unlock piece cunnings
Dynamic, the unlock piece can be slidably arranged on the first component, unlock piece slip band on the first component
The dynamic connector rotates, and the connector makes the lock pin depart from the second component, so that the main locking mechanism solution
Lock；The second component is provided with the first inclined-plane being engaged with the lock pin；
The second lock mechanism includes being used to limit the two lock closing pieces that the unlock piece slides, when the second lock mechanism is in
During lock-out state, the two lock closing piece coordinates with the unlock piece, prevents the unlock piece from sliding on the first component
Dynamic, when the second lock mechanism is in released state, the two locks closing piece disengages with the unlock piece, the unblock
Part can slide on the first component unlocks the main locking mechanism.
2. the locking mechanism with secondary locking function according to claim 1, it is characterised in that：The second component
The locked groove being engaged with the lock pin is provided with, when the main locking mechanism is in the lock state, described in the lock pin insertion
In locked groove, when the main locking mechanism is in released state, the lock pin separates with the locked groove.
3. the locking mechanism with secondary locking function according to claim 1, it is characterised in that：On the unlock piece
Provided with the second inclined-plane, the external cylindrical surface of the lock pin is supported and is located on second inclined-plane, the second component be provided with it is described
The locked groove that lock pin is engaged, when the unlock piece is sliding unblock on the first component, pass through second inclined-plane and institute
Stating the cooperation of external cylindrical surface makes the lock pin deviate from from the locked groove.
4. the locking mechanism with secondary locking function according to claim 1, it is characterised in that：The connector with
The first reset element for being used for driving the lock pin to reset to lock-out state is provided between the first component.
5. the locking mechanism with secondary locking function according to claim 1, it is characterised in that：The two locks lock
Block can be rotatably arranged on the first component.
6. the locking mechanism with secondary locking function according to claim 1, it is characterised in that：The two locks lock
Block includes latch hook, and when the second lock mechanism is in the lock state, the latch hook is engaged with the unlock piece, when described two
When road latch mechanism is in released state, the latch hook disengages with the unlock piece.
7. the locking mechanism with secondary locking function according to claim 6, it is characterised in that：Two lock machine
Structure also includes playing tongue, and the bullet tongue can be slidably arranged on the first component, when the second lock mechanism is in locking
During state, the end face for playing tongue and described two lock closing pieces offsets, and makes two lock when pulling the two locks closing piece
When mechanism unlocks, the latch hook disengages with the unlock piece and being offseted with the bullet tongue makes the two locks closing piece be in temporary
Stop state.
8. the locking mechanism with secondary locking function according to claim 7, it is characterised in that：Two lock machine
Structure also includes playing tongue seat, and the bullet tongue seat can be slidably arranged on the first component, and the bullet tongue can slidably be set
Put it is described bullet tongue seat on, when the locking mechanism is in the lock state, it is described play tongue seat end face with described second
Part is engaged, when the main locking mechanism, which unlocks the second component, to be slided on the first component, the bullet tongue seat energy
It is enough to be slided on the first component.
A kind of 9. children trolley, it is characterised in that：The children trolley includes the stroller frame with expansion and folded state, used
In the locking mechanism that the stroller frame is locked in deployed condition, the locking mechanism is used as any in claim 1 ~ 8
Locking mechanism described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696900.9A CN105270464B (en) | 2015-10-23 | 2015-10-23 | Locking mechanism and children trolley with secondary locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696900.9A CN105270464B (en) | 2015-10-23 | 2015-10-23 | Locking mechanism and children trolley with secondary locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105270464A CN105270464A (en) | 2016-01-27 |
| CN105270464B true CN105270464B (en) | 2017-12-15 |
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ID=55140497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510696900.9A Active CN105270464B (en) | 2015-10-23 | 2015-10-23 | Locking mechanism and children trolley with secondary locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105270464B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263461B (en) * | 2016-12-30 | 2023-12-22 | 珠海阳光儿童用品有限公司 | Two-way lock of baby carriage and baby carriage |
| CN109875316B (en) * | 2019-04-17 | 2024-03-22 | 广东乐美达集团有限公司 | Baby rocking chair capable of safely and conveniently adjusting angle by one hand |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116842A (en) * | 1993-01-20 | 1996-02-14 | Mgb公司 | Foldable assembly for the support or transportation of a person |
| CN2592472Y (en) * | 2003-01-08 | 2003-12-17 | 郑钦明 | Second safety lock |
| CN103419827A (en) * | 2012-05-18 | 2013-12-04 | 明门香港股份有限公司 | Secondary locking mechanism and foldable frame |
| CN205273580U (en) * | 2015-10-23 | 2016-06-01 | 好孩子儿童用品有限公司 | Locking mechanical system and children's shallow with secondary locking function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2983814B1 (en) * | 2011-12-08 | 2014-02-21 | Patrick Herbault | FOLDING CARRYING STRUCTURE, STROLLER |
-
2015
- 2015-10-23 CN CN201510696900.9A patent/CN105270464B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116842A (en) * | 1993-01-20 | 1996-02-14 | Mgb公司 | Foldable assembly for the support or transportation of a person |
| CN2592472Y (en) * | 2003-01-08 | 2003-12-17 | 郑钦明 | Second safety lock |
| CN103419827A (en) * | 2012-05-18 | 2013-12-04 | 明门香港股份有限公司 | Secondary locking mechanism and foldable frame |
| CN205273580U (en) * | 2015-10-23 | 2016-06-01 | 好孩子儿童用品有限公司 | Locking mechanical system and children's shallow with secondary locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105270464A (en) | 2016-01-27 |
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