CN216508804U

CN216508804U - Liftable split handle structure of bassinet

Info

Publication number: CN216508804U
Application number: CN202122497830.8U
Authority: CN
Inventors: 姜兵
Original assignee: Zhejiang Xijiadeng Technology Co ltd
Current assignee: Zhejiang Xijiadeng Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-10-17
Publication date: 2022-05-13
Anticipated expiration: 2031-10-17
Also published as: CN113942604B; CN113942604A

Abstract

The utility model provides a lifting detachable handle structure of a baby carriage, and belongs to the technical field of baby carriages. It has solved current bassinet split packing demand. The utility model comprises an inner cylinder and a handle arranged on the inner cylinder, wherein a first bolt and a second bolt are arranged on the inner cylinder, a first pin hole and a pin groove are formed in the outer wall of a rotary cylinder, the pin groove extends along the axial direction of the inner cylinder, each bolt can be driven by a driving mechanism to be separated from the corresponding first pin hole or pin groove, the first bolt can be separated from the first pin hole independently, the inner cylinder can move axially relative to the rotary cylinder at the moment, the first bolt and the second bolt can be separated from the corresponding first pin hole and pin groove simultaneously, and the inner cylinder can be pulled out from the rotary cylinder at the moment. The utility model has the advantages that the lifting of the handle can be realized, the handle can be split into a plurality of parts, the package and the transportation are convenient, and the splitting operation is convenient.

Description

Liftable split handle structure of bassinet

Technical Field

The utility model belongs to the technical field of baby carriers, and particularly relates to a lifting detachable handle structure of a baby carrier.

Background

The children scooter has no pedals, no transmission system and auxiliary wheels, completely depends on the balance ability of an operator and the strength of lower limbs to step on the ground, and can well exercise the motion ability of children. The existing children scooter generally comprises a handle, a frame, a front wheel and a rear wheel, and the frame, the handle and other structures are required to be disassembled and assembled as far as possible in order to save the packaging and transportation cost due to high transportation cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to meet the requirement of splitting and packaging of the existing baby carrier, and provides a lifting split handle structure which can realize lifting of a handle, can be split into a plurality of parts, is convenient to package and transport and is convenient to split and operate.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a liftable split handle structure of bassinet, sets up on the rotary drum of bassinet, and it includes that one inserts the inner tube of establishing in the rotary drum and sets up the handle on the inner tube, is equipped with along the radial outside first bolt and the second bolt that stretches out of inner tube on the inner tube, set up on the rotary drum outer wall and supply first pinhole that first bolt was inserted and establish and supply the second bolt to insert the round pin groove of establishing, the round pin groove is along inner tube axial extension, and each bolt homoenergetic moves and deviates from corresponding first pinhole or round pin groove along the radial inside section of thick bamboo of inner tube under a actuating mechanism's drive, and first pinhole can deviate from alone to first bolt, and the inner tube can be relative rotary drum axial displacement this moment, and first pinhole and round pin groove that correspond also can deviate from simultaneously to first bolt and second bolt, can follow the rotary drum and extract this moment.

In the above liftable splitting handle structure of the baby carriage, the driving mechanism comprises a guide strip arranged in the inner cylinder, the guide strip drives each bolt to move through axial movement along the inner cylinder, the guide strip is provided with a plurality of position stations relative to the inner cylinder, the plurality of position stations comprise an initial position station, a first position station and a second position station, the initial position station, the first position station and the second position station are sequentially arranged along the axial direction of the inner cylinder, when the guide strip is positioned at the initial position station, the first bolt is positioned in the first pin hole, the second bolt is positioned in the pin groove, when the guide strip is positioned at the first position station, the first bolt is separated from the first pin hole independently, and when the guide strip is positioned at the second position station, the first bolt and the second bolt are separated from the corresponding first pin hole and the corresponding pin groove.

In the above-mentioned liftable split handle structure of bassinet, still be equipped with the third bolt that radially stretches out along the inner tube on the inner tube, above-mentioned handle sets up on the inner tube through a sleeve, and the sleeve is overlapped on the inner tube with one heart, is equipped with on the sleeve to supply the third bolt to insert the third pinhole of establishing, and the third bolt can be moved and deviate from the third pinhole along the inner tube radial to the inner tube under actuating mechanism's drive.

In foretell bassinet's liftable split handle structure, a plurality of position stations still include the third position station, and when above-mentioned gib block was located the third position station, the third pinhole was deviate from to above-mentioned third bolt, and initial position station, first position station, second position station, third position station set gradually along above-mentioned inner tube axial.

In the above mentioned handle structure for baby carriage capable of being lifted and disassembled, a linkage structure is set between the guiding strip and each pin, the linkage structure includes a guiding groove and a guiding part set in the guiding groove, the guiding part and the corresponding pin are fixed relatively through a connecting part, the guiding groove extends along the axial direction of the inner tube, a radial reset piece is set in the inner tube for driving the pin to move and reset along the direction extending out of the inner tube, under the action of the radial reset piece, the guiding part is attached to a side wall of the guiding groove, the side wall of the guiding groove is divided into a retracted section, a transition section and an extended section which are connected in sequence along the axial direction of the inner tube, the retracted section, the transition section and the extended section of each guiding groove are all set in sequence along the sequence arrangement direction of the initial position station, the first position station and the second position station, the extended section and the retracted section extend along the axial direction of the inner tube, the changeover portion extends along inner tube axial slash, along the bolt direction of stretching out, the inner tube inner wall is kept away from to the relative overhanging section of the interior hard-drawn groove of the guide way that the bolt corresponds, when the guide part pastes and leans on overhanging section, the bolt on the guide part stretches out corresponding pinhole or cotter way, when the guide part pastes and leans on in the hard-drawn groove, the bolt on the guide part deviates from corresponding pinhole or cotter way, when the guide part pastes and moves on the changeover portion, the bolt that corresponds on the guide part is along inner tube radial movement.

In the above-mentioned liftable split handle structure of bassinet, still be equipped with in the inner tube and make above-mentioned gib block have the axial that moves the reset trend from second position station to initial position station direction all the time and reset the piece.

In the above-mentioned liftable split handle structure of bassinet, radial piece and the axial that resets are the spring that resets.

In foretell bassinet's liftable split handle structure, first bolt and second bolt are located same level department, and the guide way changeover portion that first bolt corresponds and the guide way changeover portion that the second bolt corresponds along inner tube axial dislocation set.

In foretell bassinet liftable split handle structure, be equipped with two first pinholes on the rotary drum, two first pinholes set gradually along the inner tube axial, and the inner tube is along rotary drum axial motion in-process, and first bolt can be followed one of them first pinhole department and moved to another first pinhole department.

In foretell liftable split handle structure of bassinet, the one end of gib block is equipped with the button that a drive gib block removed, and the button setting is on above-mentioned sleeve, and the sleeve axial displacement is followed to the relative sleeve of button ability, still is equipped with on the sleeve and prevents that the button from deviating from telescopic limit structure group.

In foretell liftable split handle structure of bassinet, limit structure group is including last limit structure and lower limit structure, go up limit structure including setting up the elastic buckle on the button and establishing the draw-in groove on the sleeve, the button can insert the sleeve and make elastic buckle deformation at the insertion process from telescopic one end, move to draw-in groove department until elastic buckle, elastic buckle elasticity resumes in-process can the card to go into in the draw-in groove, the draw-in groove has the opening, and the opening orientation inserts the sleeve direction unanimity with the button, elastic buckle can insert sleeve direction along the button and move and deviate from the draw-in groove opening part draw-in groove, above-mentioned lower limit structure is including setting up the lower limit portion on the sleeve, lower limit portion keeps off on the motion path that the sleeve direction was inserted to the button.

In the above-mentioned liftable split handle structure of bassinet, the third bolt is equipped with two, and two third bolts are relative inner tube axle center symmetry and set up, and above-mentioned third pinhole and third bolt one-to-one set up.

In the liftable and detachable handle structure of the baby carriage, the lower end of the inner cylinder is inserted into the rotary cylinder, the sleeve is arranged at the upper end of the inner cylinder, and the initial position station, the first position station, the second position station and the third position station are sequentially arranged from top to bottom.

In foretell liftable split handle structure of bassinet, be equipped with two bolt seats in the inner tube, two bolt seats set up from top to bottom, and above-mentioned first bolt and second bolt setting are on the bolt seat that is located the below, and above-mentioned third bolt setting is on the bolt seat that is located the top, establishes the spout that is used for above-mentioned connecting portion activity on the bolt seat.

Compared with the prior art, the utility model has the advantages that:

1. the guide strip is driven to move by the button, so that the lifting and the splitting of the handle can be realized, and the lifting and the splitting are convenient to operate;

2. the utility model can be split into a plurality of blocks, is convenient for packaging and transportation, and can effectively reduce the transportation cost.

Drawings

FIG. 1 is a schematic view of the stroller;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of the present invention;

FIG. 4 is an exploded view of the present invention;

FIG. 5 is a cross-sectional view of the present invention;

FIG. 6 is a schematic view of the structure of the button;

FIG. 7 is a schematic structural view of the handle;

FIG. 8 is a schematic view of the construction of the latch and guide;

fig. 9 is a schematic structural view of the guide bar.

In the figure, 1, a drum; 2. a front wheel seat; 3. an outer cylinder; 4. an inner barrel; 5. a handle; 6. A bolt seat; 7. a first latch; 8. a second bolt; 9. a connecting portion; 10. a chute; 11. A first pin hole; 12. a pin slot; 13. a sleeve; 14. a third bolt; 15. a guide strip; 16. a limiting member; 17. a guide groove; 18. a guide portion; 19. an inward contraction section; 20. a transition section; 21. an overhanging section; 22. a button; 23. elastic buckle; 24. a card slot; 25. a lower stop portion.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 9, the liftable and detachable handle structure of a baby carriage provided by the present invention is arranged on a rotary drum 1 of the baby carriage, the upper part of the rotary drum 1 is cylindrical, the lower part of the rotary drum 1 is shaft-shaped, the lower end of the rotary drum 1 is hinged on a front wheel seat 2, an outer drum 3 is arranged outside the rotary drum 1, the liftable and detachable handle 5 structure comprises an inner drum 4 inserted in the rotary drum 1 and a handle 5 arranged at the upper end of the inner drum 4, two bolt seats 6 arranged up and down are arranged in the inner drum 4, both the bolt seats 6 can be detachably fixed on the inner drum 4, the inner drum 4 is further provided with a first bolt 7 and a second bolt 8 which radially extend outwards, the first bolt 7 and the second bolt 8 are positioned at the same horizontal height, the first bolt 7 and the second bolt 8 are respectively arranged on the bolt seat 6 positioned below through a connecting part 9, the bolt seat 6 is provided with a chute 10 for the movement of the connecting part 9, the connecting part 9 is limited by the sliding groove 10 and can only move back and forth along the radial direction of the inner cylinder 4, so that the first bolt 7 and the second bolt 8 can only move back and forth along the radial direction of the inner cylinder 4, the outer wall of the rotary drum 1 is provided with a first pin hole 11 for the first bolt 7 to be inserted and a pin groove 12 for the second bolt 8 to be inserted, two first pin holes 11 are arranged, the two first pin holes 11 are sequentially arranged along the axial direction of the inner cylinder 4, in the axial movement process of the inner cylinder 4 along the rotary drum 1, the first bolt 7 can move from one first pin hole 11 to the other first pin hole 11, the pin groove 12 extends along the axial direction of the inner cylinder 4, and the distance between the two first pin holes 11 is consistent with the length of the pin groove 12;

the handle 5 is arranged on the inner cylinder 4 through a sleeve 13, the sleeve 13 is concentrically sleeved on the inner cylinder 4, the handle 5 is provided with two third bolts 14 which are respectively arranged at two sides of the sleeve 13, the inner cylinder 4 is also provided with two third bolts 14 which extend out along the radial direction of the inner cylinder 4, the two third bolts 14 are symmetrically arranged relative to the axle center of the inner cylinder 4, the two third bolts 14 are respectively arranged on the bolt seat 6 which is positioned above through a connecting part 9,

under the limit of the sliding groove 10, the two third bolts 14 can only move back and forth along the radial direction of the inner cylinder 4, the sleeve 13 is provided with third pin holes for the third bolts 14 to insert, and the third pin holes and the third bolts 14 are arranged in a one-to-one correspondence manner;

still be equipped with the radial piece that resets that the drive bolt has the trend of resetting to 4 direction motion of inner tube that stretch out all the time on each bolt seat 6 respectively, radially reset the piece and set up with the bolt one-to-one, radially reset the piece and be the spring, the spring action is on connecting portion 9 that bolt seat 6 and bolt correspond, and the flexible direction of elasticity of spring is unanimous with the slip direction of connecting portion 9, each bolt and corresponding connecting portion 9 integrated into one piece.

Each bolt can move radially towards the inner cylinder 4 along the inner cylinder 4 under the drive of a driving mechanism to be separated from a corresponding pin hole or a corresponding pin groove 12, the driving mechanism comprises a guide strip 15 arranged in the inner cylinder 4, the guide strip 15 extends axially along the inner cylinder 4, the guide strip 15 sequentially penetrates through two bolt seats 6 from top to bottom, a through hole with the same cross section shape as that of the guide strip 15 is formed in each bolt seat 6, a limiting part 16 is integrally formed on each guide strip 15, the limiting part 16 is positioned between the two bolt seats 6, an axial reset part is arranged on each guide strip 15 and is a spring, the guide strip 15 penetrates through the spring, the spring is limited between the limiting part 16 and the bolt seat 6 below the spring, the guide strip 15 can overcome the action force of the spring to move downwards under the action of the external force, and after the external force is removed, the guide strip 15 can move and reset under the action of the spring;

a linkage structure is arranged between the guide strip 15 and each plug pin, the linkage structure comprises a guide groove 17 and a guide part 18 arranged in the guide groove 17, the guide groove 17 is arranged on the guide strip 15 and extends along the axial direction of the inner cylinder 4, the guide part 18 is arranged on the connecting part 9 of the corresponding plug pin and is integrally formed with the connecting part 9, the direction of the guide part 18 extending into the guide groove 17 is mutually vertical to the direction of the corresponding plug pin extending out of the inner cylinder 4, under the action of a radial reset piece, the guide part 18 is always attached to one side wall of the guide groove 17, the side wall of the guide groove 17 is axially divided into a retraction section 19, a transition section 20 and an extension section 21 which are sequentially connected from top to bottom along the inner cylinder 4, the extension section 21 and the retraction section 19 extend along the axial straight line of the inner cylinder 4, the transition section 20 extends along the axial oblique line of the inner cylinder 4, along the extension direction of the plug pin, the retraction section 19 of the guide groove 17 corresponding to the plug pin is far away from the inner wall of the extension section 21 of the inner cylinder 4, when the guide part 18 abuts against the outward extending section 21, the pins on the guide part 18 extend out of the corresponding pin holes or pin grooves 12, when the guide part 18 abuts against the inward contracting section 19, the pins on the guide part 18 are out of the corresponding pin holes or pin grooves 12, and when the guide part 18 moves against the transition section 20, the corresponding pins on the guide part 18 move in the radial direction of the inner cylinder 4;

the guide groove 17 of the first bolt 7 and the guide groove 17 of the second bolt 8 are located at the lower part of the guide strip 15 and are respectively arranged on two side surfaces of the guide strip 15, the transition section 20 of the guide groove 17 corresponding to the first bolt 7 and the transition section 20 of the guide groove 17 corresponding to the second bolt 8 are arranged along the inner barrel 4 in a staggered manner in the axial direction, the transition section 20 corresponding to the first bolt 7 is located below the transition section 20 corresponding to the second bolt 8, the guide groove 17 of the third bolt 14 is located at the upper part of the guide strip 15, and the guide grooves 17 of the two third bolts 14 are respectively arranged on two side surfaces of the guide strip 15.

The guide strip 15 is provided with a plurality of position stations relative to the inner cylinder 4, the position stations are relative positions of the guide strip 15 and the inner cylinder 4, the plurality of position stations comprise an initial position station, a first position station, a second position station and a third position station, the initial position station, the first position station, the second position station and the third position station are sequentially arranged from top to bottom along the axial direction of the inner cylinder 4, the initial position station is a position of the guide strip 15 without any external force, the guide strip 15 can sequentially pass through the first position station, the second position station and the third position station from the initial position station in the downward movement process, when the guide strip 15 is positioned at the initial position station, the first plug pin 7 is positioned in the first pin hole 11, the second plug pin 8 is positioned in the pin groove 12, when the guide strip 15 is positioned at the first position station, the first plug pin 7 is independently separated from the first pin hole 11, at the moment, the inner cylinder 4 can axially move relative to the rotary drum 1, when the guide strip 15 is located at the second position station, the first bolt 7 and the second bolt 8 are separated from the corresponding first pin hole 11 and the corresponding pin groove 12, at the moment, the inner cylinder 4 can be pulled out from the rotary drum 1, when the guide strip 15 is located at the third position station, the third bolt 14 is separated from the third pin hole, and the sleeve 13 and the handle 5 can be pulled out from the inner cylinder 4.

The upper end of the guide strip 15 is provided with a button 22 for driving the guide strip 15 to move, the guide strip 15 is abutted against the button 22 under the action of an axial resetting piece, the button 22 is arranged on the sleeve 13, the button 22 can move up and down along the axial direction of the sleeve 13 relative to the sleeve 13, the sleeve 13 is also provided with a limiting structure group for preventing the button 22 from being separated from the sleeve 13, the limiting structure group comprises an upper limiting structure and a lower limiting structure, the upper limiting structure comprises an elastic buckle 23 arranged on the button 22 and a clamping groove 24 arranged on the sleeve 13, the elastic buckle 23 is arranged at the lower end of the button 22, the elastic buckle 23 extends along the axial direction of the sleeve 13, the button 22 can be inserted into the sleeve 13 from the upper end of the sleeve 13 and can deform the elastic buckle 23 in the inserting process until the elastic buckle 23 moves to the clamping groove 24, the elastic buckle 23 can be clamped into the clamping groove 24 in the elastic resetting process, the clamping groove 24 is provided with an opening, the opening of the elastic buckle 23 faces downwards, the elastic buckle 23 can move along the direction that the button 22 is inserted into the sleeve 13 to be separated from the clamping groove 24 from the opening of the clamping groove 24, the lower limiting structure comprises a lower stop part 25 arranged on the sleeve 13, the lower stop part 25 is stopped on a moving path of the direction that the button 22 is inserted into the sleeve 13, the clamping groove 24 and the lower stop part 25 limit the upper and lower limit moving positions of the button 22, the button 22 moves downwards from the opening of the elastic buckle 23 separated from the clamping groove 24 until being abutted against the lower stop part 25, the moving stroke of the button 22 is the limit moving stroke of the button 22, the limit moving stroke of the button 22 can drive the guide strip 15 to move from the initial position station to the third position station, the limit moving stroke of the button 22 can only drive the guide strip 15 to move from the initial position station to the second position station, and after the inner cylinder 4 is pulled out of the drum 1, the guide strip 15 may be moved to the third position station by pulling the guide strip 15 down.

Lifting process: the button 22 is pressed down to enable the guide strip 15 to move from the initial position station to the first position station, so that the first bolt 7 is disengaged from the first pin hole 11, at the moment, the inner cylinder 4 can lift up and down relative to the rotary drum 1, and because the second bolt 8 is not disengaged from the pin groove 12, the inner cylinder 4 cannot be pulled out from the rotary drum 1, and when the first bolt 7 moves to another first pin hole 11, the first bolt 7 can be inserted into the first pin hole 11 under the action of a radial reset piece, so that lifting and fixing are realized.

The splitting process comprises the following steps: the button 22 is pressed down to move the guide strip 15 to the second position station, the first pin 7 is separated from the first pin hole 11, the second pin 8 is separated from the pin groove 12, the inner cylinder 4 can be pulled out of the rotary cylinder 1 at the moment, the button 22 is pressed down or the guide strip 15 is pulled down after the inner cylinder is pulled out, the guide strip 15 is moved to the third position station, the third pin 14 is separated from the third pin hole, the sleeve 13 is communicated with the handle 5 and can be pulled out of the inner cylinder 4 at the moment, therefore, the handle 5 assembly and the rotary cylinder 1 can be separated into three parts, and as shown in fig. 3, the three parts can be packaged independently.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be understood in an open-ended sense, i.e. in a sense equivalent to "including at least … …", and not in a closed sense, i.e. in a sense not to be understood as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A lifting split handle structure of a baby carrier is arranged on a rotary drum (1) of the baby carrier and is characterized by comprising an inner cylinder (4) inserted in the rotary drum (1) and a handle (5) arranged on the inner cylinder (4), wherein a first bolt (7) and a second bolt (8) which radially extend outwards along the inner cylinder (4) are arranged on the inner cylinder (4), a first pin hole (11) for the first bolt (7) to be inserted and a pin groove (12) for the second bolt (8) to be inserted are formed in the outer wall of the rotary drum (1), the pin groove (12) axially extends along the inner cylinder (4), each bolt can be driven by a driving mechanism to radially move towards the inner cylinder (4) along the inner cylinder (4) to be separated from the corresponding first pin hole (11) or pin groove (12), the first bolt (7) can be separated from the first pin hole (11) independently, and the inner cylinder (4) can axially move relative to the rotary drum (1), the first bolt (7) and the second bolt (8) can also be simultaneously separated from the corresponding first pin hole (11) and the corresponding pin groove (12), and at the moment, the inner cylinder (4) can be pulled out from the rotary drum (1).

2. A handle structure of a baby carriage capable of being lifted and disassembled according to claim 1, wherein the driving mechanism comprises a guide bar (15) arranged in the inner cylinder (4), the guide bar (15) drives each pin to move by moving along the axial direction of the inner cylinder (4), the guide bar (15) has a plurality of position stations relative to the inner cylinder (4), the plurality of position stations comprises an initial position station, a first position station and a second position station, the initial position station, the first position station and the second position station are arranged in sequence along the axial direction of the inner cylinder (4), when the guide bar (15) is positioned at the initial position station, the first pin (7) is positioned in the first pin hole (11), the second pin (8) is positioned in the pin groove (12), and when the guide bar (15) is positioned at the first position station, the first pin (7) is independently separated from the first pin hole (11), when the guide strip (15) is located at the second position station, the first bolt (7) and the second bolt (8) are separated from the corresponding first pin hole (11) and the corresponding pin groove (12).

3. The handle structure for lifting and disassembling of the baby carrier as claimed in claim 2, wherein the inner cylinder (4) is further provided with a third plug pin (14) extending along the radial direction of the inner cylinder (4), the handle (5) is arranged on the inner cylinder (4) through a sleeve (13), the sleeve (13) is concentrically sleeved on the inner cylinder (4), the sleeve (13) is provided with a third pin hole for the third plug pin (14) to be inserted, and the third plug pin (14) can move radially towards the inner cylinder (4) along the inner cylinder (4) under the driving of the driving mechanism to be separated from the third pin hole.

4. The handle structure of a baby carriage capable of being lifted and disassembled according to claim 3, wherein the plurality of position stations further comprises a third position station, when the guide bar (15) is located at the third position station, the third pin (14) is disengaged from the third pin hole, and the initial position station, the first position station, the second position station and the third position station are sequentially arranged along the axial direction of the inner cylinder (4).

5. The handle structure of any one of claims 2 to 4, wherein a linkage structure is provided between the guide bar (15) and each pin, the linkage structure comprises a guide groove (17) and a guide part (18) provided in the guide groove (17), the guide part (18) and the corresponding pin are relatively fixed by a connecting part (9), the guide groove (17) extends axially along the inner cylinder (4), a radial reset member is further provided in the inner cylinder (4) for driving the pin to move and reset in the direction extending out of the inner cylinder (4), the guide part (18) is always attached to a side wall of the guide groove (17) under the action of the radial reset member, and the side wall of the guide groove (17) is axially divided into a retraction section (19), a transition section (20) and an extension section (21) which are sequentially connected along the inner cylinder (4), the inner contraction section (19), the transition section (20) and the outer expansion section (21) of each guide groove (17) are sequentially arranged along the sequential arrangement direction of the initial position station, the first position station and the second position station, the outer expansion section (21) and the inner contraction section (19) extend along the axial straight line of the inner cylinder (4), the transition section (20) extends along the axial oblique line of the inner cylinder (4), and the inner contraction section (19) of the guide groove (17) corresponding to the bolt is far away from the inner wall of the inner cylinder (4) relative to the outer expansion section (21) along the extension direction of the bolt, when the guide part (18) is abutted against the overhanging section (21), the inserted pin on the guide part (18) extends out of the corresponding pin hole or pin groove (12), when the guide part (18) abuts against the inner contraction section (19), the inserted pin on the guide part (18) is separated from the corresponding pin hole or pin groove (12), when the guide (18) is moved against the transition section (20), the corresponding pin on the guide (18) is moved radially along the inner cylinder (4).

6. A handle structure for baby carriage capable of lifting and disassembling according to any of claims 2-4, characterized in that the inner cylinder (4) is provided with an axial resetting member for making the guiding strip (15) always have a resetting trend moving from the second position station to the initial position station.

7. The liftable and detachable handle structure of a baby carriage as claimed in claim 5, wherein the first bolt (7) and the second bolt (8) are located at the same horizontal height, and the transition section (20) of the guide groove (17) corresponding to the first bolt (7) and the transition section (20) of the guide groove (17) corresponding to the second bolt (8) are axially arranged along the inner cylinder (4) in a staggered manner.

8. The handle structure of a baby carriage capable of being lifted and disassembled according to any one of claims 1 to 4, wherein the rotary drum (1) is provided with two first pin holes (11), the two first pin holes (11) are sequentially arranged along the axial direction of the inner drum (4), and the first bolt (7) can move from one first pin hole (11) to the other first pin hole (11) in the process that the inner drum (4) moves along the axial direction of the rotary drum (1).

9. A handle structure for baby carriage capable of lifting and disassembling according to claim 3 or 4, characterized in that one end of the guiding bar (15) is provided with a button (22) for driving the guiding bar (15) to move, the button (22) is arranged on the sleeve (13), the button (22) can move axially along the sleeve (13) relative to the sleeve (13), and the sleeve (13) is further provided with a limit structure group for preventing the button (22) from coming out of the sleeve (13).

10. The handle structure for the baby carriage capable of being lifted and disassembled according to claim 9, wherein the limiting structure set comprises an upper limiting structure and a lower limiting structure, the upper limiting structure comprises an elastic buckle (23) arranged on the button (22) and a clamping groove (24) arranged on the sleeve (13), the button (22) can be inserted into the sleeve (13) from one end of the sleeve (13) and can deform the elastic buckle (23) in the inserting process until the elastic buckle (23) moves to the clamping groove (24), the elastic buckle (23) can be clamped into the clamping groove (24) in the elastic recovery process, the clamping groove (24) is provided with an opening, the opening direction is consistent with the direction of the button (22) inserted into the sleeve (13), the elastic buckle (23) can move along the direction of the button (22) inserted into the sleeve (13) and can be separated from the clamping groove (24) at the opening of the clamping groove (24), the lower limit structure comprises a lower stop part (25) arranged on the sleeve (13), and the lower stop part (25) is blocked on a moving path of the button (22) in the direction of inserting the sleeve (13).