CN108454688B

CN108454688B - Clamping mechanism and baby carriage

Info

Publication number: CN108454688B
Application number: CN201710091464.1A
Authority: CN
Inventors: 刘修平
Original assignee: SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
Current assignee: SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
Priority date: 2017-02-21
Filing date: 2017-02-21
Publication date: 2023-09-12
Anticipated expiration: 2037-02-21
Also published as: CN108454688A

Abstract

The application relates to a clamping mechanism and a baby carriage, wherein the clamping mechanism is used for installing a seat or a basket on the baby carriage frame, and an inserting piece is arranged at the bottom of the seat or the basket. The clamping mechanism is simple in structure and convenient to operate, and an operator is not required to perform special locking operation; the manner of inserting the bayonet into the limiting hole to limit the relative movement between the seat or the basket and the baby carriage frame is also firm and reliable, and the seat or the basket and the baby carriage frame can be prevented from relative movement in a plurality of directions such as up and down, left and right.

Description

Clamping mechanism and baby carriage

Technical Field

The present application relates to infant seats and strollers, and particularly to a locking mechanism and a stroller.

Background

At present, the application of the baby carriage is very wide, most of the baby raising families use the baby carriage to carry babies, and particularly when the way is far away, the baby carriage is used for carrying babies, so that great effort can be saved. While riding, automobiles are typically fitted with car safety seats that are specially prepared for the infant, fit the infant's body size, and have special protection devices to provide a comfortable and safe riding environment for the infant.

When traveling to a distance, people find that on one hand, an automobile safety seat needs to be installed on an automobile to be used for taking an infant, and on the other hand, after the infant is taken from the automobile, the infant needs to be placed in a baby carriage to relieve the fatigue of holding the infant or a back infant by hands so as to better enjoy playing. However, if a baby carriage is carried separately in addition to the car safety seat installed in the car when going out from the home, not only the space in the car is occupied, but also the weight of the carried articles is increased.

Therefore, a seat is invented, which can be installed on an automobile to be used as an automobile safety seat and can be installed on a baby carriage frame to be used as a baby carriage seat, so that only one seat and one baby carriage frame are needed to be carried when going out far and upstream, and compared with a complete baby carriage, the foldable baby carriage frame is more convenient to carry. Such seats require a reliable connection structure so that they are suitable for mounting not only on automobiles but also on stroller frames. The connection structure in the prior art is generally complex in structure, low in connection reliability and inconvenient to operate, so that a new connection structure is needed to be invented.

Disclosure of Invention

The application aims to provide a clamping mechanism and a baby carriage so as to solve the problems of complex structure, low reliability, inconvenient operation and the like of a connecting structure in the prior art.

In order to achieve the above-mentioned objective, the present application provides a locking mechanism for installing a seat or a basket on a stroller frame, wherein an insertion piece is provided at the bottom of the seat or the basket, and the locking mechanism comprises a pulling piece structure and a locking pin which are provided on the stroller frame, and a limiting hole provided on the insertion piece, and when the seat or the basket is engaged with the stroller frame through the insertion piece, the pulling piece structure can be contacted, and the pulling piece structure can be moved, so as to drive the locking pin to extend out of the stroller frame and insert into the limiting hole, thereby realizing the relative fixation between the seat or the basket and the stroller frame.

Further, the pulling piece structure comprises a rotating connecting piece and a pulling piece connected with the rotating connecting piece, wherein the rotating connecting piece is installed on the baby carriage frame through a rotating shaft and at least partially exposed, so that the rotating connecting piece can be touched when the seat or the basket is engaged with the baby carriage frame, and the pulling piece is used for driving the clamping pin to extend after the rotating connecting piece is touched and rotates around the rotating shaft.

Further, the rotating connecting piece and the poking piece are integrally formed.

Further, the stroller frame is provided with a hole capable of exposing the rotary connecting piece, the plug-in piece is provided with a protrusion, and the protrusion can be inserted into the hole after the plug-in piece is installed in place so as to abut against the rotary connecting piece and enable the rotary connecting piece to rotate.

Further, the contacted end of the rotating connecting piece is wedge-shaped.

Further, the poking piece is a flexible piece or a structural piece.

Further, the bayonet lock is equipped with the lug, stir the piece and can support and lean on the lug to drive under the drive of rotation connecting piece the lug and make the bayonet lock stretches out.

Further, the protruding block is annular and sleeved on the stirring piece, a through hole is formed in the stirring piece, and the stirring piece penetrates through the through hole and enables the protruding block to abut against the stirring piece.

Further, one side of the poking piece is opened and is of a U-shaped structure.

Further, the stroller further comprises an elastic member for holding the bayonet in the interior of the stroller frame before the bayonet is extended and resetting the bayonet after the driving action of the bayonet is eliminated.

Further, the elastic piece comprises a spring, one end of the spring is connected with the bayonet lock, and the other end of the spring is connected with a fixing piece arranged on the baby carriage frame.

Further, a clamping ring is arranged at one end of the clamping pin, which is positioned in the baby carriage frame, and the spring is arranged between the clamping ring and the fixing piece.

Further, one end of the bayonet lock, which is positioned in the baby carriage frame, is provided with an annular groove, the snap ring is an opening washer and is arranged in the annular groove, and one end of the spring is connected with the opening washer.

Further, the plectrum structure is arranged inside the joint cover of the baby carriage frame.

Further, a guiding and positioning structure is arranged on the outer side of the joint cover, the plug connector is matched with the guiding and positioning structure to guide the movement of the plug connector, and the limiting hole is aligned with the extending direction of the bayonet lock after the plug connector is installed in place.

Further, the plug connector is provided with a groove, and the guiding and positioning structure comprises a side frame matched with at least one side edge of the plug connector and a middle protruding block matched with the groove.

Further, the side frames are generally L-shaped.

In order to achieve the above object, the present application further provides a stroller including the above-mentioned engagement mechanism.

Based on the technical scheme, the clamping mechanism is provided with the plectrum structure, the clamping pin and the limiting hole, when the seat or the basket is jointed with the baby carriage frame through the plug-in connector, the plectrum structure can be touched, the plectrum structure is enabled to move, and the clamping pin is driven to extend out of the baby carriage frame and be inserted into the limiting hole, so that the relative fixation between the seat or the basket and the baby carriage frame is realized. The clamping mechanism is simple in structure, the clamping pin can be driven to automatically insert into the limiting hole by touching the pulling piece structure, the operation is convenient, and an operator is not required to perform special locking operation; the mode of inserting the bayonet lock into the limiting hole to limit the relative movement between the seat or the basket and the baby carriage frame is firm and reliable, so that the seat or the basket and the baby carriage frame can be prevented from relative movement in a plurality of directions such as up and down, left and right, and the problem of connection looseness or failure caused by uneven pavement and the like can be avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is a schematic structural view of an embodiment of the engaging mechanism of the present application.

Fig. 2 is a schematic structural view of a plug in an embodiment of the locking mechanism of the present application.

Fig. 3 is a schematic diagram of a fitting structure of a pulling piece structure and a bayonet in an embodiment of the locking mechanism of the present application.

FIG. 4 is a schematic view of an embodiment of the engaging mechanism of the present application when the engaging pin is not extended.

FIG. 5 is a schematic view of an embodiment of the engaging mechanism according to the present application.

Fig. 6 is a schematic view showing an internal structure of the joint cover in an embodiment of the stroller of the present application.

Fig. 7 is a schematic view of a structure of a stroller with a locking mechanism installed in a joint cover according to an embodiment of the present application.

Fig. 8 is a schematic view of the mating of the plug and the guiding and positioning structure in an embodiment of the locking mechanism of the present application.

Fig. 9 is a schematic view of a stroller in accordance with an embodiment of the present application prior to installation of a seat.

Fig. 10 is a schematic view of a stroller according to an embodiment of the present application after a seat is installed.

In the figure: 10. a seat; 20. a stroller frame; 1. a plug-in component; 2. a joint cover; 3. a guiding and positioning structure; 11. a limiting hole; 12. a protrusion; 13. a claw; 14. a groove; 21. a plectrum structure; 211. rotating the connecting piece; 212. a toggle member; 22. a bayonet lock; 221. a bump; 222. an annular groove; 23. a spring; 24. a clasp; 25. a rotating shaft; 26. a hole; 27. a fixing member; 28. an opening hole; 31. a side frame; 32. and a middle bump.

Detailed Description

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

In the description of the present application, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present application.

In an effort to solve the problems of the prior art, the present application proposes an improved snap-on mechanism which enables a convenient connection between a seat or basket and a stroller frame, and which is reliable and easy to operate.

Referring to fig. 1 to 10, in one embodiment of the latch mechanism of the present application, the latch mechanism is used to mount a seat 10 or a basket on a stroller frame 20, the bottom of the seat 10 or the basket is provided with a socket 1, as shown in fig. 1 and 2, the latch mechanism includes a paddle structure 21 and a latch 22 provided on the stroller frame 20 and a limiting hole 11 provided on the socket 1, and when the seat 10 or the basket is engaged with the stroller frame 20 through the socket 1, the paddle structure 21 can be touched and the paddle structure 21 can be moved to drive the latch 22 to extend out of the stroller frame 20 and insert into the limiting hole 11, so as to realize the relative fixation between the seat 10 or the basket and the stroller frame 20.

In the above embodiment, the engaging mechanism is provided with the plectrum structure 21, the bayonet 22 and the limiting hole 11, when the seat 10 or the basket is engaged with the stroller frame 20 through the plug 1, the plectrum structure 21 can be touched, and the plectrum structure 21 is moved, so that the bayonet 22 is driven to extend from the stroller frame 20 and be inserted into the limiting hole 11, so that the relative fixation between the seat 10 or the basket and the stroller frame 20 is realized. The clamping mechanism has a simple structure, the clamping pin 22 can be driven to automatically insert into the limiting hole 11 by touching the shifting plate structure 21, the operation is convenient, and an operator does not need to perform special locking operation; the manner of inserting the bayonet 22 into the limiting hole 11 to limit the relative movement between the seat 10 or the basket and the stroller frame 20 is also firm and reliable, so that the seat 10 or the basket and the stroller frame 20 can be prevented from relative movement in a plurality of directions such as up and down, left and right, and the problem of connection loosening or failure caused by uneven road surface and the like can be avoided.

As a specific implementation of the paddle structure 21 in the above embodiment, as shown in fig. 3, the paddle structure 21 includes a rotation connector 211 and a paddle 212 connected to the rotation connector 211, where the rotation connector 211 is mounted on the stroller frame 20 through a rotation shaft 25 and at least partially exposed so as to be capable of being touched when the seat 10 or the basket is engaged with the stroller frame 20, and the paddle 212 is used to drive the bayonet 22 to extend after the rotation connector 211 is touched and rotated around the rotation shaft 25.

The rotating connecting piece 211 is arranged on the baby carriage frame 20 through the rotating shaft 25, so that the rotating connecting piece 211 rotates around the rotating shaft 25 when being touched, and the stirring piece 212 connected with the rotating connecting piece 211 can be driven to move after the rotating connecting piece 211 rotates, so that the clamping pin 22 is driven to extend. The plectrum structure 21 with the rotatable structure has better realizability and simple and reliable structure.

Of course, the rotation connecting piece 211 is not limited to a rotation movement form to drive the toggle piece 212 to move and enable the driving bayonet 22 to extend, and in other embodiments, the rotation connecting piece 211 may also be in a linear movement form, so long as the toggle piece 212 is enabled to correspondingly enable the bayonet 22 to extend after the rotation connecting piece 211 is touched to move.

Further, the rotary connecting piece 211 and the poking piece 212 are integrally formed, so that the manufacturing is convenient, the installation is convenient, and the structural strength is good.

As a further improvement of the locking mechanism of the present application, as shown in fig. 7 and 8, the stroller frame 20 is provided with a hole 26 for exposing the rotation connector 211, at least part of the rotation connector 211 is exposed out of the stroller frame 20 through the hole 26, as shown in fig. 1 and 2, the connector 1 is provided with a protrusion 12, and the protrusion 12 can be inserted into the hole 26 after the connector 1 is mounted in place, so as to abut against the rotation connector 211 and rotate the rotation connector 211. By providing the protrusion 12, after the plug connector 1 is installed in place, the protrusion 12 extends into the hole 26 to form a longer-distance drive for the rotary connector 211, which is beneficial to increasing the movement stroke of the rotary connector 211, so that the bayonet lock 22 can also move a longer distance until extending into the limiting hole 11.

In addition to the above-described manner of increasing the movement stroke of the rotation connector 211 by providing the projection 12, it is preferable that the touched end of the rotation connector 211 is provided in a wedge shape, that is, the end surface of the rotation connector 211 at which the stroller frame 20 is exposed is provided with an inclined surface, for example, the inclined surface may cause the exposed portion of the rotation connector 211 to sequentially increase from top to bottom, so that the rotation connector 211 can be touched and driven to rotate by the connector 1 itself (that is, the outer surface of the connector 1) during the installation process. The plug connector 1 is convenient to insert and install in an inclined plane mode, so that the plug connector 1 is not laborious in an initial stage of installation from top to bottom, and in a process of slowly inserting downwards, the plug connector 1 can touch the rotating connector 211 and enable the rotating connector 211 to slowly rotate, and further the poking piece 212 is driven to enable the bayonet 22 to extend. The inclined surface is provided so long as the bayonet lock 22 can be extended out and enter the limiting hole 11.

In each of the above embodiments, the striking member 212 may be a flexible member, such as a wire rope, and the rotation of the rotation connecting member 211 causes the wire rope to be extended or shortened so as to drive the bayonet 22 to extend or retract; of course, the toggle member 212 may be a structural member.

In the following, the toggle member 212 is taken as an example of a structural member, and another improvement of the locking mechanism of the present application will be described. As shown in fig. 1, the bayonet 22 is provided with a bump 221, and the toggle member 212 can abut against the bump 221 and drive the bump 221 to extend the bayonet 22 under the driving of the rotary connecting member 211. The bump 221 may be a separate component connected to the bayonet 22, or may be integrally formed with the bayonet 22.

Further, the protruding block 221 is annular and sleeved on the stirring piece 212, the stirring piece 212 is provided with a through hole, and the stirring piece 22 passes through the through hole and makes the protruding block 221 abut against the stirring piece 212.

Preferably, one side of the toggle member 212 is open and has a U-shaped structure, so that the bayonet 22 can be penetrated from the side, the installation is convenient, and the overall weight can be reduced.

To facilitate the positioning of the bayonet 22, the engagement mechanism may further comprise an elastic member for holding the bayonet 22 inside the stroller frame 20 before the bayonet 22 is extended and resetting the bayonet 22 after the driving action of the bayonet 22 is eliminated.

Preferably, the elastic member includes a spring 23, one end of the spring 23 is connected to the bayonet 22, and the other end of the spring 23 is connected to a fixing member 27 provided on the stroller frame 20.

As shown in fig. 4, the joint cover 2 of the stroller frame 20 is provided with a fixing member 27 inside, and the fixing member 27 is provided with a mounting hole, which may have an opening to facilitate the side loading of the bayonet 22. As shown in fig. 5, the bayonet 22 passes through the through hole on the toggle member 212 and then passes through the mounting hole on the fixing member 27, the bump 221 on the bayonet 22 is blocked on one side of the toggle member 212 away from the fixing member 27, one end of the spring 23 is connected with one end of the bayonet 22 located inside the joint cover 2, and the other end is fixed on one side of the fixing member 27 away from the toggle member 212.

Further, as shown in fig. 1, a clip 24 is provided at one end of the clip 22 located in the stroller frame 20, and a spring 23 is provided between the clip 24 and the fixing member 27.

Specifically, the end of the bayonet 22 located in the stroller frame 20 is provided with an annular groove 222, the snap ring 24 is an open washer and is mounted in the annular groove 222, and one end of the spring 23 is connected with the open washer. The snap ring 24 is configured as an open washer, through which the snap ring 24 can be conveniently nested within the annular groove 222.

Of course, besides the cooperation between the snap ring 24 and the annular groove 222, the bayonet 22 may also be provided with external threads, the snap ring 24 is internally provided with internal threads, and the snap ring 24 is connected with the bayonet 22 through threads; alternatively, the snap ring 24 is not provided and one end of the spring 23 is fixedly attached directly to the end of the bayonet 22 located in the stroller frame 20.

On the basis of the above structure, in the initial state, before the seat 10 or the basket is not installed, the spring 23 is of a natural length, and the bayonet 22 is restrained inside the joint cover 2 by the supporting action of the spring 23; when the plug connector 1 is installed downwards, the rotating connecting piece 211 is touched and rotated to drive the stirring piece 212 to rotate, the stirring piece 212 drives the protruding block 221 on the bayonet 22 to extend outwards while rotating to drive the bayonet 22 until the bayonet is inserted into the limiting hole 11, at this time, the spring 23 is elongated, and when the acting force on the rotating connecting piece 211 disappears, the spring 23 returns to the natural length to drive the bayonet 22 to retract.

To facilitate the mounting of the plug 1, the paddle structure 21 may be provided inside the joint cover 2 of the stroller frame 20. As shown in fig. 6, a guiding and positioning structure 3 is arranged on the outer side of the joint cover 2, the plug connector 1 and the guiding and positioning structure 3 are matched with each other to guide the movement of the plug connector 1, and the limiting hole 11 is aligned with the extending direction of the bayonet 22 after the plug connector 1 is installed in place.

Preferably, the guiding and positioning structure 3 may be formed by a protruding strip arranged on the outer side of the joint cover 2, when the plug connector 1 is installed, the guiding and positioning structure 3 and the edge of the plug connector 1 are matched, so that the movement of the plug connector 1 can be guided, meanwhile, the guiding and positioning structure 3 may comprise a bottom edge, the bottom edge can limit the movement position of the plug connector 1, the plug connector 1 is guaranteed to be exactly installed in place when being in contact with the bottom edge, and the limiting hole 11 on the plug connector 1 is exactly aligned with the extending direction of the bayonet 22.

Further, the plug 1 is provided with a groove 14, and the guiding and positioning structure 3 comprises a side frame 31 which is matched with at least one side edge of the plug 1 and a middle lug 32 which is matched with the groove 14.

By providing the recess 14 and the middle projection 32, the guiding and positioning structure 3 may not need to include two side frames respectively matching with two sides of the connector 1, and since the joint cover 2 is generally configured to be substantially triangular, if the side frame 31 including two side frames matching with two sides of the connector 1 is configured to be U-shaped, there may be insufficient space on the joint cover 2. Accordingly, the side frames 31 may be configured to be generally L-shaped to accommodate the generally triangular constraint of the joint cover 2, as shown in fig. 7 and 8, based on the recesses 14 and the intermediate projections 32 described above.

Based on the engaging mechanism in each embodiment, the application further provides a stroller including the engaging mechanism. By this engagement mechanism, the seat 10 or basket can be conveniently mounted on the stroller frame 20, as shown in fig. 9 and 10, in a view before and after installation, respectively.

The seat 10 can be a safety seat for being installed on an automobile, the seat 10 can be installed on a rear seat of the automobile when the automobile is taken, and the seat 10 can be installed on a baby carriage frame 20 after leaving the automobile, so that the baby carriage is used; the basket may be a basket for carrying a child, and may be used to hold a baby while riding in a car or resting in a stationary location, and may be mounted on the stroller frame 20 when movement is desired, to form a stroller.

The following describes the specific structure and operation of one embodiment of the present application of the latch mechanism and stroller:

referring to fig. 1 to 10, a plug connector 1 is arranged below a seat 10 or a basket, a joint cover 2 is arranged on a stroller frame 20, a clamping mechanism comprises a plectrum structure 21 arranged inside the joint cover 2, a clamping pin 22 and a limiting hole 11 arranged on the plug connector 1, wherein the plectrum structure 21 comprises a rotary connecting piece 211 and a poking piece 212 which are integrally formed, one end, far away from the poking piece 212, of the rotary connecting piece 211 is a wedge-shaped surface, and the wedge-shaped surface is exposed through a hole arranged on the joint cover 2. The bayonet 22 passes through the toggle 212 and the fixing member 27 provided inside the joint cover 2, and the projection 221 provided on the bayonet 22 is made to abut against the toggle 212, and the spring 23 is provided between the fixing member 27 and the snap ring 24 provided at one end of the bayonet 22.

When the plug connector 1 is installed downwards, the rotating connecting piece 211 can be contacted by the bulge 12 arranged on the plug connector 1, and after the plug connector 1 is installed in place, the bulge 12 enters the hole on the joint cover 2 and abuts against the rotating connecting piece 211 so as to drive the rotating connecting piece 211 to rotate, the rotating connecting piece 211 can drive the stirring piece 212 to rotate, and then the stirring piece 212 is driven to move against the protruding block 221 on the clamping pin 22, so that the clamping pin 22 is driven to extend outwards from the joint cover 2, and along with the further rotation of the rotating connecting piece 211, the clamping pin 22 can be inserted into the limiting hole 11 so as to limit the plug connector 1, so that the plug connector 1 is fixed relative to the joint cover 2, and the relative fixation between the seat 10 or the lifting basket and the baby carriage frame 20 is realized.

The outer side of the joint cover 2 is provided with an L-shaped side frame 31 and a middle lug 32 arranged on the bottom edge of the side frame 31, the side frame 31 is matched with one side edge of the plug connector 1, the middle lug 32 is matched with a groove 14 arranged on the plug connector 1, the installation of the plug connector 1 can be guided, and the plug connector 1 can be inserted downwards along the side frame 31 only by aligning the groove 14 with the middle lug 32 during the installation. When the plug connector 1 is mounted in place, the limiting hole 11 is just aligned with the extending direction of the bayonet 22.

How the engagement mechanism of the present application is unlocked is not particularly limited here. Several possible embodiments are provided below: 1. a corresponding unlocking button may be provided in the joint cover 2 to forcibly retract the bayonet 22 so that the plug 1 may be lifted up, thereby releasing the connection between the seat 10 or basket and the stroller frame 20; 2. as shown in fig. 2, the limiting hole 11 on the plug connector 1 is formed by the groove 14 and the claw 13, the claw 13 is of a telescopic structure, when the claw 13 extends out, the top of the groove 14 forms the limiting hole 11, when the claw 13 retracts, the limiting hole 11 disappears, and the plug connector 1 can be lifted upwards freely, so that the connection relationship between the seat 10 or the basket and the stroller frame 20 is released. In the first mode, when the bayonet 22 is retracted, the rotary connector 211 can be rotated in the opposite direction, and the rotation can lift the plug connector 1 upwards through the inclined surface thereon, so that the plug connector 1 can be detached more conveniently and more easily.

By way of illustration of various embodiments of the present application, it can be seen that the present application provides at least one or more of the following advantages:

1. when the plug connector is installed, the plug connector itself or a bulge arranged on the plug connector contacts the plectrum structure, so that the plectrum structure rotates and drives the bayonet lock to extend until the bayonet lock is inserted into the limiting hole, thereby realizing the relative fixation between the seat or the basket and the baby carriage frame, and having simple structure and convenient operation;

2. the bayonet lock is inserted into the limit hole to fix the plug connector 1, so that the reliability is high and the realizability is good;

3. by arranging the elastic piece, the bayonet lock can be limited in the joint cover before installation, and can be quickly reset when being disassembled;

4. through setting up the guide location structure, can enough lead for the installation of plug connector, can restrict its mounted position again for the spacing hole just aligns the direction of stretching out of bayonet lock when plug connector installs in place.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same; while the application has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present application or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the application, it is intended to cover the scope of the application as claimed.

Claims

1. The clamping mechanism is used for installing a seat (10) or a lifting basket on a baby carriage frame (20), wherein an inserting piece (1) is arranged at the bottom of the seat (10) or the lifting basket, and is characterized by comprising a poking piece structure (21) and a clamping pin (22) which are arranged on the baby carriage frame (20) and a limiting hole (11) which is arranged on the inserting piece (1), the poking piece structure (21) can be contacted when the seat (10) or the lifting basket is connected with the baby carriage frame (20) through the inserting piece (1), and the poking piece structure (21) is enabled to move so as to drive the clamping pin (22) to extend out of the baby carriage frame (20) and be inserted into the limiting hole (11), so that the seat (10) or the lifting basket and the baby carriage frame (20) are relatively fixed.

2. The latch mechanism according to claim 1, wherein the paddle structure (21) includes a rotational connector (211) and a paddle (212) connected to the rotational connector (211), the rotational connector (211) being mounted to the stroller frame (20) by a pivot (25) and at least partially exposed to be contacted when the seat (10) or the basket is engaged with the stroller frame (20), the paddle (212) being adapted to drive the latch (22) to extend after the rotational connector (211) is contacted and rotated about the pivot (25).

3. The clamping mechanism according to claim 2, wherein the rotary connector (211) is integrally formed with the toggle member (212).

4. The clamping mechanism according to claim 2, wherein the stroller frame (20) is provided with a hole (26) capable of exposing the rotary connector (211), the plug connector (1) is provided with a protrusion (12), and the protrusion (12) can be inserted into the hole (26) after the plug connector (1) is installed in place so as to abut against the rotary connector (211) and enable the rotary connector (211) to rotate.

5. The clamping mechanism according to claim 2, wherein the contacted end of the rotary connector (211) is wedge-shaped.

6. The clamping mechanism of claim 2, wherein the toggle member (212) is a flexible member or a structural member.

7. The clamping mechanism according to claim 6, wherein the clamping pin (22) is provided with a protruding block (221), the poking piece (212) can be abutted against the protruding block (221), and the clamping pin (22) is extended out by driving the protruding block (221) under the driving of the rotating connecting piece (211).

8. The clamping mechanism according to claim 7, wherein the protruding block (221) is annular and sleeved on the stirring piece (212), a through hole is formed in the stirring piece (212), and the stirring piece (212) is abutted against the protruding block (221) through the through hole.

9. The clamping mechanism according to claim 8, wherein the toggle member (212) has a U-shaped structure with an opening at one side.

10. The latch mechanism of claim 1, further comprising a resilient member for retaining the latch (22) within the stroller frame (20) prior to extension of the latch (22) and for resetting the latch (22) after actuation of the latch (22) is removed.

11. The clamping mechanism according to claim 10, wherein the elastic member comprises a spring (23), one end of the spring (23) is connected with the clamping pin (22), and the other end of the spring (23) is connected with a fixing member (27) arranged on the stroller frame (20).

12. The clamping mechanism according to claim 11, characterized in that one end of the clamping pin (22) located in the stroller frame (20) is provided with a clamping ring (24), and the spring (23) is arranged between the clamping ring (24) and the fixing piece (27).

13. The clamping mechanism according to claim 12, wherein an annular groove (222) is formed in one end of the clamping pin (22) located in the stroller frame (20), the clamping ring (24) is an opening washer and is installed in the annular groove (222), and one end of the spring (23) is connected with the opening washer.

14. The engagement mechanism according to claim 1, wherein the paddle structure (21) is disposed inside a joint cover (2) of the stroller frame (20).

15. The clamping mechanism according to claim 14, wherein a guiding and positioning structure (3) is arranged on the outer side of the joint cover (2), the plug connector (1) is matched with the guiding and positioning structure (3) to guide the movement of the plug connector (1), and the limiting hole (11) is aligned with the extending direction of the clamping pin (22) after the plug connector (1) is installed in place.

16. The clamping mechanism according to claim 15, wherein the plug connector (1) is provided with a groove (14), and the guiding and positioning structure (3) comprises a side frame (31) which is matched with at least one side edge of the plug connector (1) and a middle lug (32) which is matched with the groove (14).

17. The engagement mechanism according to claim 16, wherein the side frame (31) is substantially L-shaped.

18. A stroller comprising the engagement mechanism according to any one of claims 1 to 17.