CN210882281U

CN210882281U - Unlocking mechanism of baby carriage and baby carriage

Info

Publication number: CN210882281U
Application number: CN201920622275.7U
Authority: CN
Inventors: 马福生; 刘金龙
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-06-30
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an unlocking mechanism and children's shallow of children's shallow, children's shallow includes the push-up rod, push-down rod and bottom bracket, the push-up rod is established on the push-down rod with sliding, the push-down rod rotates with the bottom bracket to be connected, children's shallow still includes the first locking mechanism with the position locking of push-down rod and bottom bracket and the second locking mechanism with the position locking of push-up rod and push-down rod, unlocking mechanism includes drive assembly, order about the unblock subassembly of first locking mechanism unblock, drive assembly can cooperate or throw off the cooperation with the unblock subassembly, when children's shallow is in the expansion state, drive assembly cooperatees with the unblock subassembly, operation drive assembly orders about the unblock subassembly action, the unblock of the first locking mechanism of unblock subassembly drive, the relative bottom bracket of push-down rod rotates the back, the drive assembly action orders about second locking mechanism. The unlocking mechanism of the child stroller has the advantages of stable and reliable unlocking mode, convenience in operation and convenience in use.

Description

Unlocking mechanism of baby carriage and baby carriage

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to release mechanism and children's shallow of children's shallow.

Background

The child cart comprises an upper push rod, a lower push rod and a bottom bracket, wherein the upper push rod can be arranged on the lower push rod in a sliding mode, the lower push rod is connected with the bottom bracket in a rotating mode, and the child cart further comprises a first locking mechanism and a second locking mechanism, wherein the first locking mechanism is used for locking the relative position of the lower push rod and the bottom bracket, and the second locking mechanism is used for locking the relative position of the upper push rod and the lower push rod. In the prior art, when the stroller with the structure is folded, the second locking mechanism is generally unlocked first for the stroller to be folded conveniently, and the first locking mechanism is unlocked in the process that the upper push rod and the lower push rod slide relatively, so that the lower push rod rotates to be close to the bottom bracket. The unlocking structure is relatively complex, and when the upper push rod and the lower push rod slide relatively to each other in the unlocking process and are clamped, the first locking mechanism cannot be unlocked, so that the folding operation of the child stroller cannot be realized, and the child stroller is inconvenient to use.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide an unlocking mechanism of modified children's shallow.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an unlocking mechanism of a children's cart comprises an upper push rod, a lower push rod and a bottom bracket, wherein the upper push rod can be arranged on the lower push rod in a sliding mode along the length extension direction of the lower push rod, the lower push rod is connected with the bottom bracket in a rotating mode, the children's cart further comprises a first locking mechanism used for locking the relative position of the lower push rod and the bottom bracket and a second locking mechanism used for locking the relative position of the upper push rod and the lower push rod, the unlocking mechanism comprises a driving assembly and an unlocking assembly used for driving the first locking mechanism to be unlocked, the driving assembly can be matched with or separated from the unlocking assembly, when the children's cart is in a unfolding state, the driving assembly is matched with the unlocking assembly, the driving assembly is operated to drive the unlocking assembly to act, and the unlocking assembly drives the first locking mechanism to be unlocked, after the lower push rod rotates relative to the bottom bracket, the driving assembly acts to drive the second locking mechanism to unlock.

Preferably, the first locking mechanism includes a first locking member rotatably and slidably disposed between the lower push rod and the bottom bracket, and when the first locking mechanism is in a locked state, the first locking member is respectively engaged with the lower push rod and the bottom bracket, and when the first locking mechanism is in an unlocked state, the first locking member is engaged with one of the lower push rod and the bottom bracket and disengaged from the other of the lower push rod and the bottom bracket.

Further, the unblock subassembly is including setting up with sliding first unblock spare on the push down lever, drive assembly sets up including the activity unblock button, an end on the push up rod with the pull rope that the unblock button is connected, with the second unblock spare of another end connection of pull rope, second unblock spare can set up with sliding on push up rod or the push down rod, first unblock spare can with second unblock spare cooperatees or breaks away from the cooperation, first unblock spare with first locking piece is direct or indirect cooperation, works as first unblock spare is relative when the push down rod slides, thereby the drive first locking piece slides and makes first locking mechanism unblock.

Further, the sliding direction of the first unlocking member is perpendicular to the sliding direction of the first locking member.

Furthermore, the first unlocking piece comprises an unlocking slide block which can be arranged on the lower push rod in a sliding manner and a connecting rod which is fixedly arranged on the unlocking slide block at the lower end part, when the second locking mechanism locks the upper push rod at a position extending out of the lower push rod, the upper end part of the connecting rod is matched with the second unlocking piece, and when the upper push rod and the lower push rod are relatively folded in a sliding manner, the matching between the upper end part of the connecting rod and the second unlocking piece is separated.

Furthermore, the unlocking assembly further comprises a first transition piece which is slidably arranged between the first unlocking piece and the first locking piece, the first unlocking piece is matched with the first transition piece through an inclined plane, a first matching part and a second matching part are arranged on the first locking piece, a third matching part is arranged on the first transition piece, when the first locking mechanism is in a locking state, the third matching part is matched with the first matching part, and when the first unlocking piece slides, the first transition piece and the first locking piece are driven to slide simultaneously; when the first locking mechanism is unlocked, the lower push rod rotates relative to the bottom bracket, the third matching portion corresponds to the second matching portion, and when the first unlocking piece slides, the first transition piece is driven to slide relative to the first locking piece, so that the third matching portion is matched with the second matching portion.

In a specific embodiment, the third engaging portion is a helical tooth disposed on an end of the first transition piece, the first engaging portion is an end surface of the first locking piece, the second engaging portion is a helical tooth groove disposed on an end of the first locking piece and engaged with the helical tooth, when the first locking mechanism is in a locked state, the helical tooth abuts against an end surface of the first locking piece, when the first locking mechanism is unlocked, the lower push rod rotates relative to the bottom bracket, positions of the helical tooth correspond to positions of the helical tooth groove, and the first transition piece can slide relative to the first locking piece to enable the helical tooth to be inserted into the helical tooth groove.

Preferably, the second locking mechanism includes a second locking piece movably provided on one of the two parts of the upper push rod and the lower push rod and a locking groove provided on the other part, when the second locking mechanism is in a locking state, the second locking piece is inserted in the locking groove, when the second locking mechanism is in an unlocked state, the second locking piece is disengaged from the locking groove, the driving assembly comprises an unlocking button movably arranged on the upper push rod, a traction cable with one end connected with the unlocking button and a second unlocking piece connected with the other end of the traction cable, the second unlocking piece can be arranged on the upper push rod or the lower push rod in a sliding manner, when the second unlocking piece slides relative to the upper push rod or the lower push rod and directly or indirectly acts on the second locking piece, the second locking mechanism is driven to unlock.

Furthermore, the unlocking mechanism further comprises a second transition piece movably arranged in the upper push rod or the lower push rod, the second locking piece is fixedly arranged on the second transition piece, when the second unlocking piece slides relative to the upper push rod or the lower push rod to unlock the first locking mechanism, the second unlocking piece is matched with the second transition piece, and the second unlocking piece slides to drive the second transition piece to act, so that the second locking mechanism is unlocked.

In a specific embodiment, the second transition piece is an elastic sheet which can be arranged in the upper push rod or the lower push rod in a swinging manner, the second locking piece is fixedly arranged at one end of the elastic sheet, the other end of the elastic sheet is arranged on the upper push rod or the lower push rod, when the second unlocking piece slides relative to the upper push rod or the lower push rod to unlock the first locking mechanism, the second unlocking piece is in contact with the elastic sheet and presses against the elastic sheet, and the elastic sheet swings relative to the upper push rod or the lower push rod to drive the second locking piece to be disengaged from the locking groove.

The utility model also provides a children's shallow, this children's shallow has as above-mentioned arbitrary unlocking mechanism.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses an unlocking mechanism of children's shallow simple structure, after first locking mechanical system unblock, the relative end support of push down lever rotates certain angle back, during operation drive assembly, can make the unblock of second locking mechanical system, and this kind of unblock mode is reliable and stable, convenient operation moreover, the use of the children's shallow of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a part of rods of the stroller of the present invention in an unfolded state;

FIG. 2 is a cross-sectional view of the state of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of the state of FIG. 1;

FIG. 5 is an enlarged partial cross-sectional view taken at A of FIG. 4;

fig. 6 is a schematic structural view of the stroller of the present invention after the lower push rod and the bottom bracket rotate relatively after the first locking mechanism is unlocked;

FIG. 7 is a cross-sectional view of the state of FIG. 6;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a front view of the state of FIG. 6;

FIG. 10 is an enlarged partial cross-sectional view taken at A of FIG. 9;

fig. 11 is a schematic structural view of the stroller of the present invention in which the upper push rod and the lower push rod slide relatively and are folded together after the second locking mechanism is unlocked;

FIG. 12 is a cross-sectional view of the state of FIG. 11;

FIG. 13 is an enlarged view of a portion of FIG. 12 at A;

FIG. 14 is a front view of the state of FIG. 11;

FIG. 15 is an enlarged partial cross-sectional view taken at A in FIG. 14;

fig. 16 is an exploded view of the stroller of the present invention in a first locking position;

fig. 17 is an exploded view of the stroller of the present invention in a second locking position.

Wherein: 1. an unlock button; 2. a traction cable; 3. a second unlocking member; 31. a third inclined plane; 4. unlocking the slide block; 41. a first inclined plane; 5. a connecting rod; 6. a first transition piece; 61. a third mating portion; 62. a second inclined plane; 7. a second transition piece; 8. a third reset member; 9. a fourth reset member;

10. a push rod is arranged; 20. a lower push rod; 201. a first card slot; 202. locking the groove; 30. a bottom bracket; 301. a second card slot; 40. a first locking member; 401. a ratchet; 402. a first mating portion; 403. a second mating portion; 50. a rotating shaft; 60. a first reset member; 70. a second locking member; 80. a second reset member.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The stroller comprises an upper push rod 10, a lower push rod 20 and a bottom bracket 30, wherein the upper push rod 10 is slidably arranged on the lower push rod 20 along the length extension direction of the lower push rod 20, the lower push rod 20 is rotatably connected with the bottom bracket 30, and the stroller further comprises a first locking mechanism for locking the relative position of the lower push rod 20 and the bottom bracket 30 and a second locking mechanism for locking the relative position of the upper push rod 10 and the lower push rod 20.

The first locking mechanism comprises a first locking part 40 which is rotatably and slidably arranged between the lower push rod 20 and the bottom bracket 30, when the first locking mechanism is in a locking state, the first locking part 40 is respectively matched with the lower push rod 20 and the bottom bracket 30, and when the first locking mechanism is in an unlocking state, the first locking part 40 is matched with one of the two components of the lower push rod 20 and the bottom bracket 30 and is separated from the other component.

Specifically, the lower push rod 20 and the bottom bracket 30 are rotatably connected through a rotating shaft 50, the first locking member 40 is sleeved on the rotating shaft 50 and can be rotatably arranged around the rotating shaft 50, and meanwhile, the first locking member 40 can also be slidably arranged along the length extending direction of the rotating shaft 50. The outer circumferential surface of the first locking member 40 is provided with a plurality of ratchet teeth 401, one end of the lower push rod 20 is provided with a plurality of first clamping grooves 201 matched with the ratchet teeth 401 on the first locking member 40, one end of the bottom bracket 30 is provided with a plurality of second clamping grooves 301 matched with the ratchet teeth 401 on the first locking member 40, when the first locking mechanism is in a locking state, the ratchet teeth 401 on the first locking member 40 are respectively engaged with the first clamping grooves 201 and the second clamping grooves 301, and when the first locking mechanism is in an unlocking state, the first locking member 40 slides relative to the lower push rod 20 and the bottom bracket 30 so as to enter one of the two components of the lower push rod 20 and the bottom bracket 30 and be matched with the one component, and is disengaged from the other one of the two components of the lower push rod 20 and the bottom bracket 30.

The first locking mechanism further includes a first reset member 60 for actuating the first locking member 40 to reset from the unlocked state to the locked state. In this embodiment, the first restoring member 60 is a compression spring, and two end portions of the compression spring are respectively abutted against one of the two components of the lower push rod 20 and the bottom bracket 30 and the first locking member 40.

The second locking mechanism includes a second locking member 70 movably provided on one of the upper push rod 10 and the lower push rod 20 and a locking groove 202 provided on the other, the second locking member 70 being inserted into the locking groove 202 when the second locking mechanism is in a locked state, and the second locking member 70 being released from the locking groove 202 when the second locking mechanism is in an unlocked state.

In this embodiment, the second locking member 70 is movably disposed on the upper push rod 10, the locking groove 202 is disposed on the lower push rod 20, and the locking groove 202 is disposed on both the upper portion and the lower portion of the lower push rod 20. Thus, the relative positions of the upper push rod 10 and the lower push rod 20 can be locked in both the expanded and contracted states by the second locking mechanism.

The second locking mechanism further includes a second reset member 80 for urging the second locking member 70 to reset from the unlocked state to the locked state. In this embodiment, the second returning member 80 is a compression spring, and two end portions of the compression spring are respectively abutted against the upper push rod 10 and the second locking member 70.

As shown in fig. 1-17, the utility model discloses an unlocking mechanism of children's shallow includes drive assembly, is used for ordering about the unlocking component of first locking mechanical system unblock, and drive assembly can cooperate or throw off the cooperation with unlocking component, and when children's shallow was in expansion state, drive assembly cooperateed with unlocking component. When the driving assembly is operated, the unlocking assembly can be driven to act, the first locking mechanism can be driven to unlock through the unlocking assembly, the lower push rod 20 can rotate and approach to the bottom bracket 30 after the first locking mechanism is unlocked, when the lower push rod and the bottom bracket rotate for a certain angle relatively, the driving assembly can continue to act to drive the second locking mechanism to unlock, and the upper push rod 10 can slide relative to the lower push rod 20 and approach to the lower push rod 20 after the second locking mechanism is unlocked. In the folding and unlocking process of the child stroller, the driving assembly can be operated firstly to unlock the first locking mechanism, and after the child stroller is unlocked, the lower push rod 20 rotates for a certain angle relative to the bottom bracket 30, the driving assembly is operated again to unlock the first locking mechanism; the driving assembly can be operated all the time in the folding and unlocking process of the baby stroller, so that the first locking mechanism is unlocked firstly, and then the second locking mechanism is driven to unlock, which is a continuous operation process.

The drive assembly includes that the activity sets up the unblock button 1 on last push rod 10, the pull rope 2 that an end and unblock button 1 are connected and the second unlocking piece 3 of another end connection with pull rope 2, second unlocking piece 3 can set up on last push rod 10 or push down pole 20 slidably, the unblock assembly is including the first unlocking piece that can set up on push down pole 20 slidably, first unlocking piece can cooperate or throw off the cooperation with second unlocking piece 3, first unlocking piece directly cooperates or indirectly with first locking piece 40.

When the unlocking button 1 is pressed, the second unlocking piece 3 is pulled by the traction rope 2 to slide upwards, so that the first unlocking piece slides upwards relative to the lower push rod 20, the first unlocking piece and the first locking piece 40 are matched, the first locking piece 40 is driven to slide along the length extension direction of the rotating shaft 50 to enter one of the two components of the lower push rod 20 and the bottom bracket 30 and be matched with the one component, and the first locking mechanism is unlocked when the first unlocking piece and the first locking piece are separated from the other component of the two components of the lower push rod 20 and the bottom bracket 30. In this embodiment, the sliding direction of the first unlocking member is perpendicular to the sliding direction of the first locking member 40.

Specifically, the first unlocking part comprises an unlocking slide block 4 which is slidably arranged on the lower push rod 20 and a connecting rod 5 of which the lower end part is fixedly connected with the unlocking slide block 4, when the second locking mechanism locks the upper push rod 10 at a position extending out of the lower push rod 20, the upper end part of the connecting rod 5 is matched with the second unlocking part 3, in the embodiment, the upper end part of the connecting rod 5 is overlapped on the second unlocking part 3, and when the upper push rod 10 slides relative to the lower push rod 20 and is folded with the lower push rod 20, the matching between the upper end part of the connecting rod 5 and the second unlocking part 3 is separated.

The unlocking assembly further comprises a first transition piece 6, the first transition piece 6 is arranged between the unlocking sliding block 4 and the first locking piece 40, the first transition piece 6 is sleeved on the rotating shaft 50 and can be arranged in a sliding mode along the length extending direction of the rotating shaft 50, the unlocking sliding block 4 is matched with the first transition piece 6, and the first transition piece 6 is matched with the first locking piece 40.

The first locking member 40 is provided with a first matching portion 402 and a second matching portion 403, the first transition piece 6 is provided with a third matching portion 61, when the first locking mechanism is in a locked state, the third matching portion 61 is matched with the first matching portion 402, at this time, when the first unlocking member is driven to slide relative to the lower push rod 20, the unlocking slider 4 drives the first transition piece 6 and the first locking member 40 to simultaneously slide, when the first locking mechanism is unlocked, and the lower push rod 20 rotates by a certain angle relative to the bottom bracket 30, the positions of the third matching portion 61 and the second matching portion 403 correspond, at this time, the first transition piece 6 can slide relative to the first locking member 40, and the third matching portion 61 is matched with the second matching portion 403.

Specifically, the third engaging portion 61 is a helical tooth disposed at an end of the first transition piece 6, the first engaging portion 402 is an end surface of the first locking member 40, the second engaging portion 403 is a helical tooth groove disposed at an end of the first locking member 40 and engaged with the helical tooth, when the first locking mechanism is in a locked state, the helical tooth abuts against an end surface of the first locking member 40, when the first locking member is unlocked, the lower push rod 20 rotates by a certain angle relative to the bottom bracket 30, and the helical tooth corresponds to the helical tooth groove, at this time, the first transition piece 6 can slide relative to the first locking member 40, so that the helical tooth is inserted into the helical tooth groove.

Because the third engaging portion 61 and the second engaging portion 403 are engaged with each other by the helical teeth and the helical tooth grooves, when the first locking member 40 rotates in a certain direction, the helical teeth and the inclined surfaces of the helical tooth grooves interact with each other, so that the first transition member 61 slides relative to the first locking member 40 to disengage the helical teeth from the helical tooth grooves.

Unblock slider 4 matches through the inclined plane with first transition piece 6, specifically is: the unlocking slide block 4 is provided with a first inclined surface 41, the first transition piece 6 is provided with a second inclined surface 62 matched with the first inclined surface 41, and the first inclined surface 41 is matched with the second inclined surface 62.

In the unlocking process, after the second unlocking member 3 slides relative to the upper push rod 10 or the lower push rod 20 to unlock the first locking mechanism, the second unlocking member 3 can directly or indirectly act on the second locking member 70, and at this time, when the second unlocking member 3 continuously slides upwards, the second locking member 70 can be driven to move so as to be disengaged from the locking groove 202, so that the second locking mechanism is unlocked.

Specifically, the unlocking mechanism further comprises a second transition piece 7, the second transition piece 7 is movably arranged in the upper push rod 10 or the lower push rod 20, and the second locking piece 70 is fixedly arranged on the second transition piece 7. After the second unlocking member 3 slides a distance relative to the upper push rod 10 or the lower push rod 20, in this embodiment, the distance is a distance that the first locking mechanism needs to slide for unlocking, the second unlocking member 3 is matched with the second transition piece 7, and the second unlocking member 3 slides to drive the second transition piece 7 to move, so that the second locking mechanism is unlocked.

In a specific embodiment, the second transition piece 7 is an elastic plate that can be swingably disposed in the upper push rod 10 or the lower push rod 20, the second locking piece 70 is fixedly disposed at one end of the elastic plate, the other end of the elastic plate is disposed on the upper push rod 10 or the lower push rod 20, the elastic plate passes through the second unlocking piece 3, and the second unlocking piece 3 has a third inclined surface 31 that is matched with the elastic plate. When the unlocking button 1 is pressed to drive the first locking mechanism to unlock, the second unlocking piece 3 can slide relative to the elastic sheet, and the two pieces have no interaction; when the second unlocking member 3 slides a distance relative to the upper push rod 10 or the lower push rod 20 to unlock the first locking mechanism, the third inclined surface 31 of the second unlocking member 3 presses against the elastic piece to force the elastic piece to swing around the other end portion thereof, so that the second locking member 70 is disengaged from the locking groove 202, and the second locking mechanism is unlocked.

In another specific embodiment, the second transition piece 7 is a sliding block slidably disposed in the upper push rod 10 or the lower push rod 20, the sliding block is engaged with the second unlocking piece 3 through an inclined surface, the second locking piece 70 is fixedly disposed on the sliding block, in an initial state, the engaging inclined surface between the sliding block and the second unlocking piece 3 is in a disengaged state, after the second unlocking piece 3 slides a distance relative to the upper push rod 10 or the lower push rod 20 to unlock the first locking mechanism, the engaging inclined surface between the sliding block and the second unlocking piece 3 is in an engaged state, at this time, when the unlocking button 1 is pressed to drive the second unlocking piece 3 to continue sliding, the sliding block is driven to slide, so that the second locking piece 70 synchronously slides and is disengaged from the locking groove 202, and the second locking mechanism is unlocked.

The unlocking mechanism further comprises a third resetting member 8 for actuating the unlocking button 1 to reset and a fourth resetting member 9 for actuating the second unlocking member 3 to reset. In this embodiment, the third resets 8 and the fourth resets 9 and all adopt the pressure spring, and the both ends that the third resets 8 support respectively and establish on push-up rod 10 and unblock button 1, and the both ends that the fourth resets 9 support respectively and establish on push-up rod 10 and second unblock piece 3.

The working process of unlocking the locking mechanism of the stroller by the unlocking mechanism to realize the folding operation of the stroller is described in detail as follows:

when the stroller is in the unfolded state, the upper push rod 10 extends from the lower push rod 20, the first locking mechanism and the second locking mechanism are both in the locked state, that is, the first locking member 40 is respectively matched with the lower push rod 20 and the bottom bracket 30, the helical teeth on the first transition piece 6 are abutted against one end surface of the first locking member 40, the second locking member 70 is inserted into the locking groove 202, and the second unlocking member 3 does not extrude the elastic sheet, as shown in fig. 1 to 5.

When the child stroller needs to be folded, the unlocking button 1 is pressed, the second unlocking piece 3 is pulled to slide upwards relative to the upper push rod 10 through the traction cable 2, the unlocking slide block 4 is pulled to slide upwards relative to the lower push rod 20 through the connecting rod 5, the first transition piece 6 and the first locking piece 40 are driven to slide in the direction away from the lower push rod 20 through the inclined plane matching between the unlocking slide block 4 and the first transition piece 6 until the unlocking button 1 is pressed, at the moment, the first locking piece 40 completely enters the bottom bracket 30, the first locking piece 40 is still in the matching state with the bottom bracket 30, the matching between the first locking piece 40 and the lower push rod 20 is released, namely the first locking mechanism is unlocked, the lower push rod 20 rotates relative to the bottom bracket 30 to be close to the bottom bracket 30, after the lower push rod 20 rotates relative to the bottom bracket 30 for a certain angle, the position of inclined teeth on the first transition piece 6 corresponds to the position of inclined tooth grooves on the first locking piece 40, in this process, there is still no interaction between the second unlocking member 3 and the elastic sheet, and the second locking mechanism is always kept in a locked state, as shown in fig. 6 to 10.

Continuously pressing the unlocking button 1, pulling the second unlocking piece 3 to continuously slide upwards through the traction cable 2, pulling the unlocking slide block 4 to continuously slide upwards relative to the lower push rod 20 through the connecting rod 5, and driving the first transition piece 6 to slide relative to the first locking piece 40 through the inclined plane matching between the unlocking slide block 4 and the first transition piece 6, so that the inclined teeth are inserted into the inclined tooth grooves; in the process, the third inclined surface 31 of the second unlocking member 3 abuts against the elastic sheet, when the second unlocking member 3 continuously slides upwards, the third inclined surface 31 presses the elastic sheet to drive the elastic sheet to swing around the other end portion of the elastic sheet, so that the second locking member 70 is disengaged from the locking groove 202, the second locking mechanism is unlocked, and the upper push rod 10 can slide relative to the lower push rod 20 and approach the lower push rod 20, as shown in fig. 11 to 15.

When the upper push rod 10 slides down to the proper position, the unlocking button 1 is released, and the second locking member 70 slides again in the direction of being inserted into the locking groove 202 at the lower portion of the lower push rod 20 under the elastic force of the second restoring member 80, so that the second locking mechanism is locked again.

When the stroller needs to be unfolded from the folded state, the first locking mechanism is locked after the lower push rod 20 is rotated in place relative to the bottom bracket 30; then, the unlocking button 1 is pressed again to unlock the second locking mechanism, the upper push rod 10 can slide upwards relative to the lower push rod 20 and extend out of the lower push rod 20 to reset, after the upper push rod 10 resets, the unlocking button 1 is released, and the second locking mechanism is locked again.

Or when the stroller is unfolded from the folded state, the unlocking button 1 can be pressed first to unlock the second locking mechanism, the upper push rod 10 can slide upwards relative to the lower push rod 20 and extend out of the lower push rod 20 to reset, and after the upper push rod 10 resets, the unlocking button 1 is released, and the second locking mechanism is locked; then, after the lower push rod 20 is rotated to a proper position relative to the bottom bracket 30, the first locking mechanism is locked.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an unlocking mechanism of children's shallow, children's shallow includes push-up rod, push-down rod and bottom bracket, the push-up rod can be followed the length extending direction of push-down rod sets up with sliding on the push-down rod, the push-down rod with the bottom bracket is rotated mutually and is connected, children's shallow still including be used for with the push-down rod with the first locking mechanical system of the relative position locking of bottom bracket with be used for with the push-up rod with the second locking mechanical system of the relative position locking of push-down rod, its characterized in that: the unlocking mechanism comprises a driving assembly and an unlocking assembly used for ordering the first locking mechanism to unlock, the driving assembly can be matched with or separated from the unlocking assembly, when the baby stroller is in an unfolded state, the driving assembly is matched with the unlocking assembly to operate the driving assembly orders the unlocking assembly to act, the unlocking assembly drives the first locking mechanism to unlock, the lower push rod is opposite to the bottom support, and the driving assembly acts to order the second locking mechanism to unlock.

2. The unlock mechanism of child stroller of claim 1, wherein: the first locking mechanism comprises a first locking piece which can be arranged between the lower push rod and the bottom bracket in a rotating and sliding mode, when the first locking mechanism is in a locking state, the first locking piece is respectively matched with the lower push rod and the bottom bracket, and when the first locking mechanism is in an unlocking state, the first locking piece is matched with one of the two components of the lower push rod and the bottom bracket and is disengaged from the other component in a matching mode.

3. The unlocking mechanism for a stroller according to claim 2, wherein: the unblock subassembly is including setting up with sliding first unblock spare on the lower push rod, drive assembly sets up including the activity unblock button on the upper push rod, an end with the pull cable that the unblock button is connected, with the second unblock spare that another end connection of pull cable, second unblock spare can set up with sliding on upper push rod or the lower push rod, first unblock spare can with second unblock spare cooperatees or breaks away from the cooperation, first unblock spare with first locking piece is direct or indirect cooperation, works as first unblock spare is relative when the lower push rod slides, the drive thereby first locking piece slides and makes first locking mechanism unblock.

4. The unlock mechanism of child stroller of claim 3, wherein: the sliding direction of the first unlocking piece is perpendicular to the sliding direction of the first locking piece.

5. The unlock mechanism of child stroller of claim 3, wherein: the first unlocking piece comprises an unlocking slide block which can be arranged on the lower push rod in a sliding mode and a connecting rod which is fixedly arranged on the unlocking slide block at the lower end part, when the second locking mechanism locks the upper push rod at a position extending out of the lower push rod, the upper end part of the connecting rod is matched with the second unlocking piece, and when the upper push rod and the lower push rod are folded in a sliding mode relatively, the upper end part of the connecting rod is separated from the second unlocking piece in a matching mode.

6. The unlock mechanism of child stroller of claim 3, wherein: the unlocking assembly further comprises a first transition piece which is arranged between the first unlocking piece and the first locking piece in a sliding mode, the first unlocking piece is matched with the first transition piece through an inclined plane, a first matching part and a second matching part are arranged on the first locking piece, a third matching part is arranged on the first transition piece, when the first locking mechanism is in a locking state, the third matching part is matched with the first matching part, and when the first unlocking piece slides, the first transition piece and the first locking piece are driven to slide simultaneously; when the first locking mechanism is unlocked, the lower push rod rotates relative to the bottom bracket, the third matching portion corresponds to the second matching portion, and when the first unlocking piece slides, the first transition piece is driven to slide relative to the first locking piece, so that the third matching portion is matched with the second matching portion.

7. The unlock mechanism for a stroller according to claim 6, wherein: the third cooperation portion is for setting up skewed tooth on a tip of first transition piece, first cooperation portion is the terminal surface of first locking piece, second cooperation portion is for setting up a tip of first locking piece with skewed tooth matched with skewed tooth groove, works as when first locking mechanism is in locking state, the skewed tooth supports and establishes on a terminal surface of first locking piece, works as first locking piece mechanism unblock, the push rod is relative down the bottom bracket rotates the back, the skewed tooth with the position of skewed tooth groove is corresponding, first transition piece can be relative first locking piece slides and makes the skewed tooth insert in the skewed tooth groove.

8. The unlock mechanism of child stroller of claim 1, wherein: the second locking mechanism comprises a second locking piece movably arranged on one of the two parts of the upper push rod and the lower push rod and a locking groove arranged on the other part, when the second locking mechanism is in a locking state, the second locking piece is inserted in the locking groove, when the second locking mechanism is in an unlocked state, the second locking piece is disengaged from the locking groove, the driving assembly comprises an unlocking button movably arranged on the upper push rod, a traction cable with one end connected with the unlocking button and a second unlocking piece connected with the other end of the traction cable, the second unlocking piece can be arranged on the upper push rod or the lower push rod in a sliding manner, when the second unlocking piece slides relative to the upper push rod or the lower push rod and directly or indirectly acts on the second locking piece, the second locking mechanism is driven to unlock.

9. The delatching mechanism for a stroller according to claim 8, wherein: the unlocking mechanism further comprises a second transition piece movably arranged in the upper push rod or the lower push rod, the second locking piece is fixedly arranged on the second transition piece, when the second unlocking piece slides relative to the upper push rod or the lower push rod to unlock the first locking mechanism, the second unlocking piece is matched with the second transition piece, and the second unlocking piece slides to drive the second transition piece to act, so that the second locking mechanism is unlocked.

10. The unlock mechanism for a stroller according to claim 9, wherein: the second transition piece is an elastic sheet which can be arranged in the upper push rod or the lower push rod in a swinging mode, the second locking piece is fixedly arranged at one end portion of the elastic sheet, the other end portion of the elastic sheet is arranged on the upper push rod or the lower push rod, when the second unlocking piece slides relative to the upper push rod or the lower push rod to enable the first locking mechanism to be unlocked, the second unlocking piece is in contact with the elastic sheet and abuts against the elastic sheet, and the elastic sheet swings relative to the upper push rod or the lower push rod to drive the second locking piece to be separated from the locking groove.

11. A stroller, characterized in that: having an unlocking mechanism according to any of claims 1-10.