CN208868117U - A kind of perambulator trolley folding joint - Google Patents
A kind of perambulator trolley folding joint Download PDFInfo
- Publication number
- CN208868117U CN208868117U CN201821370631.2U CN201821370631U CN208868117U CN 208868117 U CN208868117 U CN 208868117U CN 201821370631 U CN201821370631 U CN 201821370631U CN 208868117 U CN208868117 U CN 208868117U
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- block
- upper joint
- perambulator
- connecting rod
- locking
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Abstract
The utility model provides a kind of perambulator trolley folding joint, including the upper joint block being hinged and ShiShimonoseki locking nub, upper joint block is connected with the handspike of perambulator, ShiShimonoseki locking nub is connected with the preceding foot lever of perambulator, elastic card is connected to locking teeth block so that upper joint block and ShiShimonoseki locking nub remain stationary to realize that the expansion of perambulator is fixed between ShiShimonoseki locking nub and upper joint block, be equipped between locking teeth block and upper joint block can in upper joint block the movable movable part of elasticity, movable part is for pressing locking teeth block and disengaging it from upper joint block so that can mutually rotate and realize the folding of perambulator between upper joint block and ShiShimonoseki locking nub, connecting rod is rotationally equipped between the two upper joint blocks for driving movable part movable in upper joint block.The utility model directly carries out transmission unlock with connecting rod, so its transmission is apart from short and reliable, to have good unlock effect.
Description
[technical field]
The utility model relates to perambulator field, especially a kind of perambulator trolley folding joint.
[background technique]
Traditional perambulator includes preceding foot lever, rear foot lever, handspike and handle pipe, and preceding foot lever, rear foot lever and handspike
It is usually jointly hinged by joint, and be equipped with tripper in handle pipe and it is locked or unlocked, thus
Realize that the expansion of perambulator is fixed and folding is returned the vehicle to the garage and knock off, but unblock button group of its tripper generally by being arranged in handle pipe
Part, the solution lock set being arranged on joint and the transmission drawstring being arranged on handspike composition, therefore its transmission distance is longer,
So that transmission effect is not so reliable, and it is likely to result in the case where can not normally locking or unlocking.
[utility model content]
The technical problem to be solved by the present invention is to provide a kind of perambulator trolley folding joints of reliable transmission.
Purpose of the utility model is realized as follows:
A kind of perambulator trolley folding joint, including the upper joint block being hinged and ShiShimonoseki locking nub, the upper joint block and perambulator
Handspike be connected, ShiShimonoseki locking nub is connected with the preceding foot lever of perambulator, ShiShimonoseki locking nub and the upper joint block it
Between elastic card be connected to locking teeth block so that the upper joint block and ShiShimonoseki locking nub remain stationary to realize the exhibition of perambulator
Open fixation, be equipped between the locking teeth block and the upper joint block can in the upper joint block the movable movable part of elasticity,
The movable part is for pressing the locking teeth block and disengaging it from the upper joint block so that the upper joint block and institute
State the folding that can mutually rotate and realize perambulator between the locking nub of ShiShimonoseki, be rotationally equipped between the two upper joint blocks connecting rod with
For driving the movable part movable in the upper joint block.
The utility model using the above structure, when locking teeth block while being connected between upper joint block and ShiShimonoseki locking nub, makes
It obtains upper joint block and ShiShimonoseki locking nub is cannoted rotate relative to each other and remain stationary, to can realize that the expansion of perambulator is fixed；And work as connecting rod
It rotates and drives movable part movable in upper joint block, press locking teeth block makes it while movable part is movable in upper joint block
It is detached from upper joint block and completes in retraction ShiShimonoseki locking nub, so that upper joint block and ShiShimonoseki locking nub can be rotated mutually and realize child
The folding of vehicle is returned the vehicle to the garage and knock off.The utility model directly carries out transmission unlock with connecting rod, so its transmission is apart from short and reliable, to have
Good unlock effect.
A kind of perambulator trolley folding joint as described above, wherein the side of a upper joint is equipped with locking device for locking
The fixed connecting rod, correspondingly, the pull rod are equipped with tripper to be used to unlock the connecting rod, when locking device lock link
When, connecting rod can not rotate to be unable to drive movable part activity in upper joint block, so locking teeth block is connected in simultaneously at this time
Between upper joint block and ShiShimonoseki locking nub, so that upper joint block and ShiShimonoseki locking nub are cannoted rotate relative to each other and are remain stationary, so as to reality
The expansion of existing perambulator is fixed.And after tripper unlocking link, connecting rod can be rotated and drive movable part in upper joint block
Activity, press locking teeth block disengages it from upper joint block and completes retraction hypozygal while movable part is movable in upper joint block
In block, so that upper joint block and ShiShimonoseki locking nub can be rotated mutually and realize the folding of perambulator and return the vehicle to the garage and knock off.Tripper is located at company
On bar, it is located between two joints, so its transmission is apart from short and reliable, to have good locking and unlocking effect.
A kind of perambulator trolley folding joint as described above, the locking device include being set to corresponding ShiShimonoseki locking nub side
Socket joint and in the socket joint and with its flexible clamping and the card teeth block of the connecting rod can be locked, when card teeth block
When being mutually clamped with socket joint, connecting rod is locked and can not rotate, and after card teeth block is detached from socket joint, connecting rod can just unlock
And it rotates.
A kind of perambulator trolley folding joint as described above, the tripper include be rotatably arranged in the connecting rod and with
The pull rod that the card teeth block is connected and the operation handle on the connecting rod are for rotating the connecting rod, the behaviour
Make handle and be equipped with the button being connected across the connecting rod with the pull rod, the button is for driving the pull rod along institute
The axial movement of connecting rod is stated so that the card teeth block is detached from the socket joint so that connecting rod unlock, push button make
It drives pull rod together with card teeth block together along the axial movement of connecting rod and far from socket joint, when card teeth block completely disengages joint
Can be rotated operation handle after seat makes it drive link rotatable to realize the unlock of connecting rod.
Wherein one end of a kind of perambulator trolley folding joint as described above, the connecting rod passes through the socket joint and the clamping
Tooth block, the both ends of the connecting rod are equipped with and can rotate with it for driving the movable part activity to press the locking teeth block
Rotating block, the rotating block are equipped with notch, and the notch is equipped with the arc convex that can be rotated with the rotating block, the work
Moving part, which is equipped with, is overlapped in the mandril on the arc convex across the upper joint block so that when the arc convex turns
The movable part can be movable in the upper joint block when dynamic, and link rotatable drives the arc convex on rotating block and rotating block same
Step rotation is equivalent to a cam, therefore its band in rotation in rotation because the radius of curvature of arc convex is indefinite
Dynamic mandril moves in upper joint block together together with movable part, so that it be made to press locking teeth block and disengage it from upper joint block simultaneously
It completes in retraction ShiShimonoseki locking nub, so that upper joint block and ShiShimonoseki locking nub can be rotated mutually and realize the folding of perambulator and return the vehicle to the garage and knock off.
A kind of perambulator trolley folding joint as described above, the movable part is equipped with skewed slot, correspondingly, on the locking teeth block
Equipped with the skewback to match with the skewed slot so that pressing the lock when the movable part is movable in the upper joint block
Fixed tooth block simultaneously disengages it from the upper joint block, and movable part moves in upper joint block, passes through the interaction of skewed slot and skewback
And make locking teeth block be detached from upper joint block and complete in retraction ShiShimonoseki locking nub, so that upper joint block and ShiShimonoseki locking nub can phases
It mutually rotates and realizes the folding of perambulator and return the vehicle to the garage and knock off.
A kind of perambulator trolley folding joint as described above, interior be equipped with of the upper joint block supply the movable activity of the movable part recessed
Slot, to prevent from shifting when movable part is movable in upper joint block.
The side of a kind of perambulator trolley folding joint as described above, the socket joint is equipped with outer cover, and the card teeth block is set to
Between the socket joint and the outer cover, and it is equipped between the card teeth block and the outer cover for pressing the card teeth block
Top pressure spring, move in the space that card teeth block can be formed between socket joint and outer cover, drawn when push button drives its
Bar together with card teeth block together along the axial movement of connecting rod and far from socket joint when, connecting rod is unlocked, and after release button,
Under the press effect of top pressure spring, card teeth block return is simultaneously mutually clamped with socket joint again, to lock to connecting rod.
[Detailed description of the invention]
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is the decomposition texture schematic diagram of the utility model；
Fig. 4 is the structural schematic diagram of locking teeth block described in the utility model, movable part and rotating block；
Fig. 5 is the structural schematic diagram of upper joint block described in the utility model.
[specific embodiment]
A kind of perambulator trolley folding joint, including the upper joint block 1 being hinged and ShiShimonoseki locking nub 2, upper joint block 1 and perambulator
Handspike 1a is connected, and ShiShimonoseki locking nub 2 is connected with the preceding foot lever 2a of perambulator, elastic between ShiShimonoseki locking nub 2 and upper joint block 1
Locking teeth block 3 is connected with so that upper joint block 1 and ShiShimonoseki locking nub 2 remain stationary to lock to realizing that the expansion of perambulator is fixed
Be equipped between tooth block 3 and upper joint block 1 the movable movable part 4 of elasticity, movable part 4 can lock in upper joint block 1 for pressing
Tooth block 3 and disengage it from upper joint block 1 so that can mutually rotate between upper joint block 1 and ShiShimonoseki locking nub 2 and realize perambulator
Folding, connecting rod 10 is rotationally equipped between the two upper joint blocks 1 for driving movable part 4 living in upper joint block 1
It is dynamic.
Wherein the side of an above-mentioned upper joint block 1 is equipped with locking device 5 to be used for lock link 10, correspondingly, connecting rod 10
Tripper 6 is equipped with to be used for unlocking link 10.
Locking device 5 include set on corresponding 2 side of ShiShimonoseki locking nub socket joint 51 and be set in socket joint 51 and
It can be with the card teeth block 52 of its flexible clamping and lock link 10.
Tripper 6 includes being rotatably arranged in the pull rod 61 being connected in connecting rod 10 and with card teeth block 52 and being set to
To be used for pivot link 10, operation handle 62 is equipped with to be connected across connecting rod 10 with pull rod 61 operation handle 62 on connecting rod 10
The button 63 connect, button 63 are used to drive pull rod 61 along the axial movement of connecting rod 10 so that card teeth block 52 is detached from socket joint 51
So that connecting rod 10 unlocks.
Wherein one end of connecting rod 10 passes through socket joint 51 and card teeth block 52, the both ends of connecting rod 10 be equipped with can rotate with it with
For driving the activity of movable part 4 to press the rotating block 7 of locking teeth block 3, rotating block 7 is equipped with notch 71, and notch 71 is equipped with
The arc convex 72 that can be rotated with rotating block 7, movable part 4 are equipped with and are overlapped on arc convex 72 across upper joint block 1
Mandril 41 is so that movable part 4 can be movable in upper joint block 1 when arc convex 72 rotates.
Movable part 4 is equipped with skewed slot 42, and correspondingly, locking teeth block 3 is equipped with the skewback 31 to match with skewed slot 42, on
It is equipped in joint block 1 for the movable movable groove 11 of movable part 4, when movable groove 11 activity of the movable part 4 in upper joint block 1
When, under the interaction between skewed slot 42 and skewback 31, locking teeth block 3 is detached from upper joint block 1 and simultaneously completes retraction hypozygal
In block 2, so that upper joint block 1 and ShiShimonoseki locking nub 2 can mutually rotate and realize the folding of perambulator.
The side of socket joint 51 is equipped with outer cover 53, and card teeth block 52 is set between socket joint 51 and outer cover 53, and card teeth
The top pressure spring 54 for pressing card teeth block 52 is equipped between block 52 and outer cover 53.
Reset spring is equipped between locking teeth block 3 and ShiShimonoseki locking nub 2 for pressing locking teeth block 3 always so that it is elastic
It is connected between upper joint block 1 and ShiShimonoseki locking nub 2.Reset spring also is provided between movable part 4 and upper joint block 1 for always
Press movable part 4 is so that it resets and can not press locking teeth block 3, to guarantee that locking teeth block 3 is same when perambulator is unfolded to use
When be connected between upper joint block 1 and ShiShimonoseki locking nub 2.Reduction torsion spring is equipped between rotating block 7 and upper joint block 1 to be used for always
Rotating block 7 is pressed so that it is resetted, thus guarantee to be unfolded in perambulator in use, movable part 4 will not be movable in upper joint block 1,
And then guarantee that locking teeth block 3 is connected between upper joint block 1 and ShiShimonoseki locking nub 2 simultaneously, while guaranteeing upper joint block 1 and ShiShimonoseki
The relative static conditions of locking nub.
In use, under the press effect of reset spring, locking fixture block 3 is connected in pass simultaneously for the utility model expansion
Between locking nub 1 and ShiShimonoseki locking nub 2, upper joint block 1 and the external tooth of the internal tooth and locking fixture block 3 of ShiShimonoseki locking nub 2 are mutually clamped, from
And guarantee the relative static conditions of upper joint block 1 Yu ShiShimonoseki locking nub, and at this time under the press effect of top pressure spring 54, card teeth block
52 are connected in socket joint 51, and the external tooth of card teeth block 52 is mutually clamped with the internal tooth of socket joint 51, to guarantee connecting rod 10
Lock state, so that connecting rod 10 can not rotate, it, can be more into one along with the press of reset spring and reduction torsion spring acts on
Step ground guarantees the expansion stationary state of perambulator.
For the utility model when needing to return the vehicle to the garage and knock off folding, push button 63 makes it that pull rod 61 be driven to transport along the axial direction of connecting rod 10
It is dynamic, drive card teeth block 52 together along the axial movement of connecting rod 10 and far from pass while pull rod 61 is along the axial movement of connecting rod 10
Seat 51 is saved, after card teeth block 52 completely disengages socket joint 51, connecting rod 10 is unlocked, and can be rotated operation handle 62 at this time makes
It drives connecting rod 10 to rotate, and the rotation of connecting rod 10 drives rotating block 7 to rotate, and rotating block 7 rotates the arc convex so that on rotating block 7
72 rotate synchronously, because the radius of curvature of arc convex 72 is indefinite, are equivalent to a cam in rotation, therefore arc is convex
Play 72 drives mandril 41 radially to move in rotation, and the movement of mandril 41 drives activity of the movable part 4 in upper joint block 1
It is radially movable so that movable part 4 presses locking teeth block 3, skewed slot 42 and locking teeth on movable part 4 in groove 11
Under mutual press effect between skewback 31 on block 3, locking teeth block 3 is by press and the direction movement of joint block 2 down, most
After completely disengage upper joint block 1 and complete retraction ShiShimonoseki locking nub 2 in, upper joint block 1 and ShiShimonoseki locking nub 2 can mutually turn at this time
It is dynamic, to realize that the folding of perambulator is returned the vehicle to the garage and knock off.After release button 63, under the press effect of top pressure spring 54, card teeth block
52 reset and are connected in socket joint 51, and the external tooth of card teeth block 52 is mutually clamped with the internal tooth of socket joint 51, so that connecting rod
10 is locked, and under the press of reset spring effect, locking fixture block 3 be connected in simultaneously upper joint block 1 and ShiShimonoseki locking nub 2 it
Between, upper joint block 1 and the external tooth of the internal tooth and locking fixture block 3 of ShiShimonoseki locking nub 2 are mutually clamped, at this time upper joint block 1 and hypozygal
Block 2 is locked and can not mutually rotate.
Claims (8)
1. a kind of perambulator trolley folding joint, it is characterised in that described including the upper joint block (1) being hinged and ShiShimonoseki locking nub (2)
Upper joint block (1) is connected with the handspike (1a) of perambulator, and ShiShimonoseki locking nub (2) is connected with the preceding foot lever (2a) of perambulator,
Elastic card is connected to locking teeth block (3) so that the upper joint block between ShiShimonoseki locking nub (2) and the upper joint block (1)
(1) and ShiShimonoseki locking nub (2) remain stationary to realize that the expansion of perambulator is fixed, the locking teeth block (3) and the upper pass
Be equipped between locking nub (1) the movable movable part (4) of elasticity, the movable part (4) to be used to press in the upper joint block (1)
The locking teeth block (3) and disengage it from the upper joint block (1) so that the upper joint block (1) and ShiShimonoseki locking nub
(2) can mutually rotate and realize the folding of perambulator between, be rotationally equipped between the two upper joint blocks (1) connecting rod (10) with
For driving the movable part (4) movable in the upper joint block (1).
2. a kind of perambulator trolley folding joint according to claim 1, it is characterised in that the wherein side of a upper joint block (1)
Portion is equipped with locking device (5) so that for locking the connecting rod (10), correspondingly, the connecting rod (10) is equipped with tripper (6)
For unlocking the connecting rod (10).
3. a kind of perambulator trolley folding joint according to claim 2, it is characterised in that the locking device (5) includes being set to phase
Answer the socket joint (51) of ShiShimonoseki locking nub (2) side and be set on the socket joint (51) and can with its flexible clamping and lock
The card teeth block (52) of the fixed connecting rod (10).
4. a kind of perambulator trolley folding joint according to claim 3, it is characterised in that the tripper (6) includes that can be rotated
Ground is set to the pull rod (61) being connected in the connecting rod (10) and with the card teeth block (52) and is set to the connecting rod (10)
On operation handle (62) with for rotating the connecting rod (10), the operation handle (62) is equipped with across the connecting rod (10)
And the button (63) being connected with the pull rod (61), the button (63) is for driving the pull rod (61) along the connecting rod
(10) axial movement is so that the card teeth block (52) is detached from the socket joint (51) so that the connecting rod (10) unlocks.
5. a kind of perambulator trolley folding joint according to claim 3 or 4, it is characterised in that wherein one end of the connecting rod (10)
Across the socket joint (51) and the card teeth block (52), the both ends of the connecting rod (10), which are equipped with, can be rotated with it for driving
The movable part (4) activity is moved to press the rotating block (7) of the locking teeth block (3), the rotating block (7) is equipped with notch
(71), the notch (71) is equipped with the arc convex (72) that can be rotated with the rotating block (7), sets on the movable part (4)
Have and is overlapped in the mandril (41) on the arc convex (72) across the upper joint block (1) so that when the arc convex
(72) movable part (4) can be movable in the upper joint block (1) when rotating.
6. a kind of perambulator trolley folding joint according to claim 5, it is characterised in that the movable part (4) is equipped with skewed slot
(42), correspondingly, the locking teeth block (3) is equipped with the skewback (31) to match with the skewed slot (42) so that when the work
Moving part (4) presses the locking teeth block (3) and disengages it from the upper joint block (1) when movable in the upper joint block (1).
7. a kind of perambulator trolley folding joint according to claim 6, it is characterised in that be equipped in the upper joint block (1) for institute
State movable part (4) movable movable groove (11).
8. a kind of perambulator trolley folding joint according to claim 3 or 4, it is characterised in that the side of the socket joint (51) is set
Have outer cover (53), the card teeth block (52) is set between the socket joint (51) and the outer cover (53), and the card teeth
The top pressure spring (54) for pressing the card teeth block (52) is equipped between block (52) and the outer cover (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370631.2U CN208868117U (en) | 2018-08-23 | 2018-08-23 | A kind of perambulator trolley folding joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370631.2U CN208868117U (en) | 2018-08-23 | 2018-08-23 | A kind of perambulator trolley folding joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208868117U true CN208868117U (en) | 2019-05-17 |
Family
ID=66465596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821370631.2U Active CN208868117U (en) | 2018-08-23 | 2018-08-23 | A kind of perambulator trolley folding joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208868117U (en) |
-
2018
- 2018-08-23 CN CN201821370631.2U patent/CN208868117U/en active Active
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