CN220243338U - Folding unlocking structure of folding baby carriage - Google Patents

Abstract

The utility model discloses a folding unlocking structure of a folding baby carriage, which comprises the following components: the unlocking device comprises a first unlocking piece and a second unlocking piece, wherein the first unlocking piece and the second unlocking piece are moved, when the first unlocking piece is pressed against the rope disc to move and unlock along the axial direction of the support, the second unlocking piece is moved and the rope disc is pressed against the rope disc to rotate clockwise along the radial direction of the support, and the group of unlocking ropes are pulled to be in an unlocking state by rotating the rope disc.

Description

Folding unlocking structure of folding baby carriage

Technical Field

The utility model relates to the technical field of folding strollers, in particular to a folding unlocking structure of a folding stroller.

Background

At present, the baby carriage is an indispensable infant product for most families, in particular to a foldable baby carriage, which provides great convenience in traveling. However, when going out, only one adult often carries an infant, and one person can not easily fold and fold the stroller while holding the infant in one hand, so that a stroller capable of being folded in one hand appears on the market.

However, in the prior art, the single-hand folding of the stroller is realized by only controlling one unlocking button, when a user carelessly touches one unlocking button, the stroller can directly enter an unlocking state, the weight of the stroller can not be born, the stroller directly enters the folding state, and the safety risk problem is easily caused.

Disclosure of Invention

The utility model aims to provide a folding unlocking structure of a folding baby carriage, which is used for solving the problem that the safety risk is brought when the baby carriage enters a folding state by operating an unlocking button by one hand in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

a folding and unlocking structure of a folding stroller, comprising:

the first unlocking piece and the second unlocking piece are respectively embedded in the unlocking box and can respectively move along the direction of embedding in the unlocking box;

the rope disc is arranged in the unlocking box and sleeved on a mounting support column, and the support column is fixedly mounted in the unlocking box;

one end of the unlocking rope is connected with the first guiding sliding sheet, the other end of the unlocking rope is connected with the rope disc, when the unlocking piece is moved and the rope disc is pressed to move along the axial direction of the support column for unlocking, the two unlocking pieces are moved and the rope disc is pressed to rotate clockwise along the radial direction of the support column, and the unlocking rope is pulled to be in an unlocking state by rotating the rope disc;

the first guide seat is connected with the first guide sliding vane in a linkage way, the first guide sliding vane is connected in the groove box body in a sliding way, and the first guide sliding vane moves along the traction direction of the unlocking rope group and drives the first guide seat to move in the opposite direction;

the second guide seat is connected with the first guide seat through a linkage assembly, one end of the second guide seat is provided with an unlocking push block, and one end of the unlocking push block, which is far away from the second guide seat, is provided with an inclined unlocking surface;

the lock tongue is inserted and installed in the second groove box body, be equipped with on the lock tongue with the slope slip face that the slope unblock face is inconsistent, the bottom of lock tongue runs through the slide rail pipe and stretches out the locking sliding seat downwards, during the unblock, the unblock kicking block is followed the inner chamber of the second groove box body and to the lock tongue is close to the slip, and extrudees and contradicts the lock tongue lifting is retracted to in the second groove box body is used for releasing the lock between the lock tongue with the sliding seat.

As a further scheme of the utility model: the unlocking piece is a sliding sheet switch knob, a pressing sheet of an integrated structure is arranged on the sliding sheet switch knob, and the pressing sheet is used for pressing and unlocking with a guide lug arranged on the rope disc.

As a further scheme of the utility model: the two-way unlocking piece is a button box, and the opening end face of the button box is used for being pressed, unlocked and stirred with the back bulge arranged on the rope disc.

As a further scheme of the utility model: one end of the first guide seat is provided with a second guide slide sheet of an integrated structure, a second guide hole with an inclined shape is formed in the second guide slide sheet, a first guide hole with an inclined shape is formed in the first guide slide sheet, the first guide hole and the second guide hole are oppositely arranged in the inclined direction, the first guide hole is connected with the second guide hole in an inserting mode through a pin, and the pin is fixedly mounted in the first groove box body.

As a further scheme of the utility model: the linkage assembly comprises a supporting block and a support, wherein the supporting block is connected with the support through a buckle, the supporting block is connected with the first guide seat in a rotating mode, and the support is connected with the second guide seat in a rotating mode.

As a further scheme of the utility model: still include the flexible adjustment mechanism of handle, flexible adjustment mechanism of handle includes:

the handle tube is provided with the unlocking box at the middle part;

the lifting inner tube is fixedly connected to two sides of the handle tube and is slidably connected in the linkage tube;

the other group of unlocking ropes is connected with the lock seat at one end and the rope disc at the other end, the abutting linkage between the unlocking pieces and the rope disc is released, the two unlocking pieces are moved and the rope disc is abutted to rotate anticlockwise along the radial direction of the support, and the unlocking ropes are pulled to be in an unlocking state by rotating the rope disc;

the buckling lug penetrates through the avoiding hole in the first groove box body and is connected in a buckling manner in a clamping groove formed in the lifting inner pipe;

the lock seat moves along the traction direction of the unlocking ropes and rotationally retracts the clamping lug into the linkage pipe in the unlocking state of the group of unlocking ropes, the locking between the lifting inner pipe and the linkage pipe is released, and the handle pipe is operated by hand to move and adjust the lifting inner pipe along the length direction of the linkage pipe;

when the unlocking rope is in the unlocking state, a reset spring II which is propped against the lock seat is arranged in the first groove box body, the lifting inner pipe is moved to the position, corresponding to the lock hole formed in the connecting pipe, of the clamping lug, the clamping lug is rotated along the lock seat to return to the lock hole, and the lifting inner pipe and the connecting pipe are relatively fixed.

As a further scheme of the utility model: and a first reset spring which is propped against the rope disc is sleeved on the support, and when the propping linkage between the unlocking piece and the rope disc is released, the rope disc is propped against by the first reset spring to move and reset along the axial direction of the support.

As a further scheme of the utility model: the two-way unlocking piece is a button box, and the opening end face of the button box is used for being pressed, unlocked and stirred with the front bulge arranged on the rope disc.

As a further scheme of the utility model: the sliding rail pipe is provided with a sliding hole I for sliding connection with the linkage assembly; and a sliding hole II for sliding connection with the linkage assembly is formed in the linkage tube.

As a further scheme of the utility model: the unlocking rope is accommodated in the handle tube and the lifting inner tube.

The utility model has the beneficial effects that:

(1) When the baby carriage is folded by one hand, the unlocking operation is carried out by adopting the first unlocking piece and the second unlocking piece at the same time, when a user carelessly touches one unlocking button, the baby carriage can not directly enter an unlocking state, so that the use safety of the baby carriage is ensured, and when the first unlocking piece and the second unlocking piece are used for unlocking, the linkage operation among the unlocking rope, the first guiding sliding piece, the first guiding seat, the linkage assembly, the second guiding seat, the unlocking push block and the lock tongue is convenient, and the operation is stable and reliable;

(2) And the abutting linkage between the first unlocking piece and the rope disc is released, and when a user presses and touches the second unlocking piece, the handle telescopic adjustment function is performed, so that the use of the trolley by different users is met.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of an unlocking cable of the present utility model with one end attached to a cable reel;

FIG. 3 is a schematic view of a first guide holder of the present utility model connected to a second guide holder by a linkage assembly;

FIG. 4 is a schematic view of the other end of a guide slide in one of the slot boxes of the present utility model connected to an unlocking rope;

FIG. 5 is a schematic diagram of a second sliding connection groove box body of a second guide seat of the present utility model;

FIG. 6 is a schematic diagram of a linkage assembly of the present utility model disassembled;

FIG. 7 is a schematic view of a linkage tube with two sliding holes and a plurality of locking holes on the side wall;

FIG. 8 is a schematic view of a slide rail of the present utility model with slide holes;

FIG. 9 is a schematic view of a joint frame of the present utility model in which a linkage tube and a rail tube are co-rotatably connected;

FIG. 10 is a schematic view of the linkage tube and handle tube connection of the present utility model;

FIG. 11 is a schematic view of the internal structure of the unlocking box of the present utility model;

FIG. 12 is a schematic view of the unlocking box of the present utility model with one unlocking piece and two unlocking pieces removed;

FIG. 13 is a schematic view of a two-way release member according to the present utility model;

FIG. 14 is a schematic view showing the fixed connection of the handle tube and the lifting inner tube of the present utility model;

FIG. 15 is a schematic view of the unlocking rope of the present utility model attached to the trough box inside the lifting inner tube;

FIG. 16 is a schematic view of the frame of the present utility model in an expanded condition;

FIG. 17 is a schematic view of a further expanded state of the frame of the present utility model;

fig. 18 is a schematic view of the folded and retracted state of the frame of the present utility model.

In the figure: 1. an unlocking piece; 100. tabletting; 2. a rope reel; 200. a back surface protrusion; 201. a front face is convex; 202. a guide projection; 3. a support post; 300. a first reset spring; 4. a second unlocking piece; 400. a slide block; 5. unlocking the box; 500. a chute; 6. unlocking the rope; 7. a guiding sliding sheet I; 70. a first guide hole; 8. a first groove box body; 80. a pin; 81. a lock base; 82. a snap tab; 83. a second reset spring; 9. a guide seat I; 90. a second guiding sliding vane; 91. a second guide hole; 10. a linkage assembly; 101. a support block; 102. a support; 11. a second guide seat; 110. unlocking the push block; 12. a groove box body II; 120. a bolt; 121. a return spring III; 13. a sliding seat; 14. a slide rail tube; 140. a sliding hole I; 15. a swinging rod; 16. a joint part; 17. a linkage tube; 170. a sliding hole II; 171. a lock hole; 18. a handle tube; 180. lifting the inner tube; 181. a clamping groove; 19. and a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; in the description of the present utility model, "a plurality of" means at least two, for example, two, three, etc., unless explicitly defined otherwise.

Example 1

Referring to fig. 1-5 and fig. 9, the present utility model is a folding and unlocking structure of a folding stroller, comprising: the unlocking device comprises a first unlocking piece 1 and a second unlocking piece 4, wherein the first unlocking piece 1 and the second unlocking piece 4 are respectively embedded in an unlocking box 5 and can respectively move along the direction of embedding in the unlocking box 5, a rope disc 2 is arranged in the unlocking box 5, a mounting support column 3 is sleeved on the rope disc 2, the support column 3 is fixedly arranged in the unlocking box 5, one end of a group of unlocking ropes 6 is connected with a guiding sliding sheet 7, the other end of the group of unlocking ropes is connected with the rope disc 2, when the first unlocking piece 1 is moved and the rope disc 2 is pressed to move axially along the support column 3 for unlocking, the second unlocking piece 4 is moved and the rope disc 2 is pressed to rotate clockwise along the radial direction of the support column 3, the group of unlocking ropes 6 are pulled into an unlocking state by rotating the rope disc 2, and the first unlocking piece 1 and the second unlocking piece 4 are required to be operated simultaneously in the single-hand folding baby carriage.

In the process of simultaneously moving and unlocking the first unlocking piece 1 and the second unlocking piece 4, the first guide sliding sheet 7 is in linkage connection with the first guide seat 9, the first guide sliding sheet 7 is in sliding connection in the groove box body, the first guide sliding sheet 7 moves along the traction direction of the group of unlocking ropes 6 and drives the first guide seat 9 to move reversely along the traction direction of the group of unlocking ropes 6, so that the first guide seat 9 moves downwards reversely, the first guide seat 9 is connected with the second guide seat 11 through the linkage assembly 10, the second guide seat 11 moves downwards synchronously, one end of the second guide seat 11 is provided with the unlocking push block 110, and one end of the unlocking push block 110 away from the second guide seat 11 is provided with an inclined unlocking surface, so that the unlocking push block 110 can be conveniently moved downwards to carry out unlocking linkage.

When the lock tongue 120 is in a locking state, the lock tongue 120 is inserted and installed in the second groove box body 12, and the third return spring 121 is arranged in the second groove box body 12 to press against the lock tongue 120, so that the bottom end of the lock tongue 120 penetrates through the slide rail pipe 14 and downwards extends out of the locking slide seat 13, and the slide seat 13 and the slide rail pipe 14 are kept relatively fixed, as shown in fig. 16 and 17, and the frame 19 of the baby carriage is in a unfolding state.

When the lock tongue 120 is in the unlocking state, an inclined sliding surface which is in contact with the inclined unlocking surface is arranged on the lock tongue 120, the unlocking push block 110 slides along the inner cavity of the groove box body II 12 and approaches the lock tongue 120, the inclined unlocking surface is pressed against the inclined sliding surface to climb, the lock tongue 120 is extruded to be pushed to be lifted and retracted into the groove box body II 12, the lock tongue 120 and the sliding seat 13 are unlocked, the sliding seat 13 after unlocking is convenient to move along the sliding rail pipe 14, the sliding seat 13 is connected with the joint part 16 through the swinging rod 15, and accordingly the sliding seat 13 slides to enable the joint part 16 to fold and fold the frame 19, and finally the frame 19 of the baby carriage is in a folding and folding state as shown in fig. 18.

When the baby carriage is folded by one hand, the unlocking operation is carried out by adopting the first unlocking piece 1 and the second unlocking piece 4 at the same time, when a user carelessly touches one unlocking button, the baby carriage can not directly enter the unlocking state, so that the use safety of the baby carriage is ensured, and when the first unlocking piece 1 and the second unlocking piece 4 are used for unlocking, the unlocking rope 6, the first guiding sliding piece 7, the first guiding seat 9, the linkage assembly 10, the second guiding seat 11, the unlocking push block 110 and the lock tongue 120 are convenient to operate in a linkage way, and the operation is stable and reliable.

In this embodiment, as shown in fig. 11 and 12, an unlocking member 1 is a sliding vane switch knob, a pressing sheet 100 with an integrated structure is provided on the sliding vane switch knob, the pressing sheet 100 is used to press and unlock with a guide bump 202 provided on a rope disc 2, when the unlocking operation of the single-hand folding stroller needs to be completed in advance, the sliding of the sliding vane switch knob is unlocked, and in the sliding unlocking process of the sliding vane switch knob, the pressing sheet 100 presses the guide bump 202 to act, so that the rope disc 2 moves axially along a strut 3 to unlock.

Further, as shown in fig. 13, the second unlocking member 4 is a button box, the opening end face of the button box is used for pressing the back protrusion 200 arranged on the rope disc 2 to unlock, after the rope disc 2 moves axially along the strut 3 to unlock, a user presses the button box, sliding blocks 400 are respectively arranged on the button box, sliding grooves 500 which are in sliding connection with the sliding blocks 400 are arranged on the inner wall of the unlocking box 5, so that the button box is pressed into the unlocking box 5, and at the moment, the opening end face of the button box can press the back protrusion 200 arranged on the unlocking and stirring rope disc 2, so that the rope disc 2 rotates clockwise, and the unlocking rope 6 is pulled to an unlocking state.

In this embodiment, as shown in fig. 3 and 4, one end of the first guide seat 9 is provided with a second guide slide 90 with an integral structure, the second guide slide 90 is provided with a second guide hole 91 with an inclined shape, the first guide slide 7 is provided with a first guide hole 70 with an inclined shape, the first guide hole 70 and the second guide hole 91 are oppositely arranged, the first guide hole 70 and the second guide hole 91 are inserted and connected through a pin 80, the pin 80 is fixedly arranged in the first slot box 8, under the condition that the unlocking rope 6 is pulled to an unlocking state, the first guide hole 70 and the second guide hole 91 are convenient to move in the pulling direction of the unlocking rope 6 along the group of the first guide slide 7 and drive the second guide slide 90 to move in the opposite direction, so that the first guide seat 9 moves downwards in the opposite direction, and the linkage is stable and reliable.

In this embodiment, as shown in fig. 6, the linkage assembly 10 includes a supporting block 101 and a supporting seat 102, the supporting block 101 is in snap connection with the supporting seat 102, and the supporting block 101 is rotationally connected with the first guide seat 9, the supporting seat 102 is rotationally connected with the second guide seat 11, and when the single-hand folding stroller is unlocked, the first guide seat 9, the supporting block 101, the supporting seat 102 and the second guide seat 11 are integrally linked, so that the second guide seat 11 is conveniently driven to unlock and link when the first guide seat 9 moves downwards in a reverse direction.

Example 2

As shown in fig. 10-15, the utility model provides a folding unlocking structure of a folding baby carriage, which further comprises a handle telescopic adjusting mechanism, when a user presses and touches two unlocking pieces 4, the handle telescopic adjusting mechanism performs a handle telescopic adjusting function to meet the requirement of different users for using the carriage, the handle telescopic adjusting mechanism comprises a handle pipe 18, a lifting inner pipe 180 and a linkage pipe 17, an unlocking box 5 is arranged in the middle position of the handle pipe 18, the lifting inner pipe 180 is fixedly connected to two sides of the handle pipe 18, and the lifting inner pipe 180 is slidably connected in the linkage pipe 17. When the handle pipe 18 does not perform telescopic adjustment, the lifting inner pipe 180 and the linkage pipe 17 are kept relatively fixed; when the handle tube 18 is in telescopic adjustment, the lifting inner tube 180 can be pulled and adjusted along the inner cavity of the linkage tube 17, so that the telescopic length of the handle tube 18 is adjusted, and the use requirement is met.

In the moving unlocking process of the second unlocking piece 4, one end of the other unlocking rope 6 is connected with the lock seat 81, the other end of the other unlocking rope 6 is connected with the rope disc 2, the pressing linkage between the first unlocking piece 1 and the rope disc 2 is released, the second unlocking piece 4 is moved and pressed to enable the rope disc 2 to rotate anticlockwise along the radial direction of the support column 3, the unlocking rope 6 is pulled into an unlocking state by the rotating rope disc 2, the unlocking rope 6 can drive the lock seat 81 to move upwards, the locking lug 82 is rotatably arranged on the lock seat 81, the locking lug 82 penetrates out of the avoiding hole in the first groove box body 8 and is connected in the clamping groove 181 formed in the lifting inner tube 180 in a clamping mode, and therefore the locking lug 82 is driven to act.

Under the unlocking state, the lock seat 81 moves along the traction direction of the unlocking rope 6 and rotationally retracts the buckle lug 82 into the linkage pipe 17, the locking between the lifting inner pipe 180 and the linkage pipe 17 is released, the lifting inner pipe 180 is moved and adjusted along the length direction of the linkage pipe 17 by hand-pulling the operating handle pipe 18, the operation is convenient, and the linkage response is timely.

In the unlocking state of the unlocking rope 6, a reset spring II 83 which is propped against the lock seat 81 is arranged in the first groove box body 8, the lifting inner tube 180 is moved to a position, corresponding to a lock hole 171 formed in the linkage tube 17, of the clamping lug 82, the clamping lug 82 is rotated along the lock seat 81 to return to the lock hole 171, the lifting inner tube 180 and the linkage tube 17 are relatively fixed, and the telescopic adjustment of the handle tube 18 can be locked.

In this embodiment, as shown in fig. 2, a first return spring 300 is sleeved on the pillar 3 to press against the rope disc 2, when the pressing linkage between the first unlocking member 1 and the rope disc 2 is released, the rope disc 2 is pressed against by the first return spring 300 to move axially along the pillar 3 for resetting, even if a user carelessly touches the second unlocking member 4, the rope disc 2 is not in the unlocking position at this time, the stroller is not caused to fold, and the reset rope disc 2 can perform the telescopic adjustment operation of the handle tube 18.

In this embodiment, as shown in fig. 13, the two unlocking members 4 are button boxes, the opening end face of each button box is used for pressing the front protrusions 201 on the rope disc 2 to unlock and toggle, the user presses the button boxes, the button boxes are respectively provided with sliding blocks 400, the inner walls of the unlocking boxes 5 are provided with sliding grooves 500 which are in sliding connection with the sliding blocks 400, so that the button boxes are pressed into the unlocking boxes 5, and at the moment, the opening end face of each button box can press the front protrusions 201 on the unlocking and toggle rope disc 2 to enable the rope disc 2 to rotate anticlockwise, so that the unlocking ropes 6 are pulled to an unlocking state.

In this embodiment, as shown in fig. 7 and 8, a first sliding hole 140 for slidably connecting the linkage assembly 10 is formed in the sliding rail pipe 14, and the first sliding hole 140 facilitates connection between the linkage assembly 10 and the second guide seat 11 in the sliding rail pipe 14; the linkage pipe 17 is provided with a second sliding hole 170 for sliding connection with the linkage assembly 10, and the second sliding hole 170 is convenient for connecting the linkage assembly 10 with the first guide seat 9 in the linkage pipe 17, and is convenient to operate.

In this embodiment, as shown in fig. 12 and fig. 14 to 15, the unlocking rope 6 is accommodated in the handle tube 18 and the lifting inner tube 180, and the handle tube and the lifting inner tube 180 are used for providing protection for the unlocking rope 6, so that the safety accident caused by unexpected tearing and unlocking of the unlocking rope when exposed outside can be avoided.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (10)

1. A folding and unlocking structure of a folding stroller, comprising:

the first unlocking piece (1) and the second unlocking piece (4) are respectively embedded in the unlocking box (5) and can respectively move along the direction of embedding in the unlocking box (5);

the rope disc (2) is arranged in the unlocking box (5) and sleeved on the mounting support column (3), and the support column (3) is fixedly mounted in the unlocking box (5);

one end of the unlocking rope (6) is connected with the first guiding sliding sheet (7) and the other end of the unlocking rope is connected with the rope disc (2), when the unlocking is carried out by moving the unlocking piece (1) and pressing the rope disc (2) along the axial direction of the support (3), the two unlocking pieces (4) are moved and pressing the rope disc (2) to rotate clockwise along the radial direction of the support (3), and the unlocking rope (6) is pulled to be in an unlocking state by rotating the rope disc (2);

the first guide seat (9) is connected with the first guide sliding sheet (7) in a linkage way, the first guide sliding sheet (7) is connected in the first groove box body (8) in a sliding way, and the first guide sliding sheet (7) moves along the traction direction of the group of unlocking ropes (6) and drives the first guide seat (9) to move in the opposite direction;

the guide seat II (11) is connected with the guide seat I (9) through a linkage assembly (10), one end of the guide seat II (11) is provided with an unlocking push block (110), and one end of the unlocking push block (110) away from the guide seat II (11) is provided with an inclined unlocking surface;

the lock tongue (120) is inserted and installed in the second groove box body (12), be equipped with on the lock tongue (120) with the slope slip face that the slope unblock face is inconsistent, slide rail pipe (14) are run through to the bottom of lock tongue (120) and downwards stretch out locking sliding seat (13), during the unblock, unblock ejector pad (110) are followed the inner chamber of second groove box body (12) and to lock tongue (120) are close to the slip, and extrusion conflict lock tongue (120) lifting is retracted to in second groove box body (12), be used for the release lock between lock tongue (120) with sliding seat (13).

2. The folding and unlocking structure of the folding baby carriage according to claim 1, wherein the unlocking piece (1) is a sliding sheet switch knob, a pressing sheet (100) with an integrated structure is arranged on the sliding sheet switch knob, and the pressing sheet (100) is used for pressing, unlocking and poking with a guide lug (202) arranged on the rope disc (2).

3. The folding and unlocking structure of the folding baby carriage according to claim 2, wherein the two unlocking pieces (4) are button boxes, and the opening end surfaces of the button boxes are used for pressing, unlocking and poking with back protrusions (200) arranged on the rope disc (2).

4. The folding and unlocking structure of the folding baby carriage according to claim 1, wherein one end of the first guide seat (9) is provided with a second guide slide sheet (90) with an integrated structure, the second guide slide sheet (90) is provided with a second guide hole (91) with an inclined shape, the first guide slide sheet (7) is provided with a first guide hole (70) with an inclined shape, the first guide hole (70) and the second guide hole (91) are oppositely arranged in the inclined direction, the first guide hole (70) and the second guide hole (91) are connected through a pin (80) in an inserting manner, and the pin (80) is fixedly installed in the first groove box body (8).

5. The folding and unlocking structure of the folding stroller according to claim 1, wherein the linkage assembly (10) comprises a supporting block (101) and a support (102), the supporting block (101) is in snap connection with the support (102), the supporting block (101) is in rotational connection with the first guide seat (9), and the support (102) is in rotational connection with the second guide seat (11).

6. The folding and unlocking structure of a folding stroller of claim 5, further comprising a handle telescoping adjustment mechanism, the handle telescoping adjustment mechanism comprising:

a handle tube (18), the middle part of which is provided with the unlocking box (5);

the lifting inner tube (180) is fixedly connected to two sides of the handle tube (18), and the lifting inner tube (180) is slidably connected in the linkage tube (17);

the other group of unlocking ropes (6) is connected with a lock seat (81) at one end and connected with the rope disc (2) at the other end, the abutting linkage between the unlocking piece (1) and the rope disc (2) is released, the two unlocking pieces (4) are moved and the rope disc (2) is abutted to rotate anticlockwise along the radial direction of the support column (3), and the group of unlocking ropes (6) is pulled to be in an unlocking state by rotating the rope disc (2);

the buckling lug (82) is rotatably arranged on the lock seat (81), and the buckling lug (82) penetrates out of the avoidance hole in the first groove box body (8) and is connected in a buckling manner in a clamping groove (181) formed in the lifting inner pipe (180);

wherein, in the unlocking state, the lock seat (81) moves along the traction direction of the unlocking rope (6) and rotationally retracts the clamping lug (82) into the linkage pipe (17), the locking between the lifting inner pipe (180) and the linkage pipe (17) is released, and the handle pipe (18) is operated by hand to move and adjust the lifting inner pipe (180) along the length direction of the linkage pipe (17);

the unlocking rope (6) is in an unlocking state, a reset spring II (83) which is pressed against the lock seat (81) is arranged in the groove box body I (8), the lifting inner tube (180) is moved to a position corresponding to a lock hole (171) formed in the linkage tube (17) by the clamping lug (82), the clamping lug (82) is rotated and returned to the lock hole (171) along the lock seat (81), and the lifting inner tube (180) and the linkage tube (17) are relatively fixed.

7. The folding and unlocking structure of the folding baby carriage according to claim 6, wherein a first return spring (300) which is pressed against the rope disc (2) is sleeved on the support column (3), and when the pressing linkage between the unlocking piece (1) and the rope disc (2) is released, the first return spring (300) presses the rope disc (2) to axially move and reset along the support column (3).

8. The folding and unlocking structure of the folding baby carriage according to claim 7, wherein the two unlocking pieces (4) are button boxes, and the opening end surfaces of the button boxes are used for pressing, unlocking and poking with front protrusions (201) arranged on the rope disc (2).

9. The folding and unlocking structure of the folding baby carriage as claimed in claim 6, wherein the slide rail tube (14) is provided with a slide hole I (140) for sliding connection with the linkage assembly (10); and a sliding hole II (170) for sliding connection with the linkage assembly (10) is formed in the linkage pipe (17).

10. A folding and unlocking structure of a folding stroller according to claim 6, characterized in that the unlocking rope (6) is housed inside the handle tube (18) and the lifting inner tube (180).