An adaptive adjustment mechanism for a stroller seat frame and a stroller

Abstract

The utility model discloses an adaptive adjusting mechanism for child car seat frame and child car, and the locking adjusting component is arranged between the corresponding rod / tube fitting of child car frame and the adaptive seat, and the unlocking component is arranged on the adaptive seat, and after the unlocking action of the unlocking component, the unlocking component slides with the adaptive seat relative to the corresponding rod / tube fitting of child car frame, and during the unlocking process, the sliding unlocking direction of the unlocking part is kept parallel with the sliding direction of the adaptive seat relative to child car frame, so that the user can conveniently operate unlocking and unlock the position relationship between the adjusting seat and child car frame, and the locking adjusting part is transversely clamped in the locking adjusting part, so that it can bear greater force in the locking state, thereby ensuring that the connection and locking of the adaptive seat and child car frame are reliable and stable, and the child car can have the adjusting use demand of single seat high landscape state and the adjusting demand of double seat connection avoiding interference.

Description

[Technical Field]

[0001] This utility model relates to the field of children's travel products technology, and in particular to an adapter adjustment mechanism for a stroller seat frame and a stroller. [Background Technology]

[0002] With the refinement of childcare philosophies, strollers have evolved from simple "transportation tools" into "scenario-based growth carriers." Users' core needs for strollers are no longer limited to basic safety but also include adaptability for multiple scenarios—stability for daily use while also accommodating special needs such as interference avoidance adjustment for dual seats or height adjustment for a single seat to create a high-view position. In this context, seat height adjustment has become a key design feature for single-seat strollers: on the one hand, raising the seat to a high-view position significantly improves the infant's field of vision, enhancing the travel experience and facilitating the installation and use of another seat, allowing for simultaneous use of both seats without interference; on the other hand, lowering the seat height when using a single-seat stroller lowers the center of gravity, enhancing stability during pushing. Therefore, strollers with convenient, reliable, and multi-level seat height adjustment are more popular with consumers.

[0003] In the existing technology, the seat height adjustment and locking mechanism of children's strollers is generally designed between the push rod and the adapter, and a telescopic lock tongue is used to lock the adapter connected to the seat frame. The lock tongue and its matching lock hole in this solution are prone to fatigue damage during long-term use, which affects the use effect and the safety and reliability of locking. It also cannot withstand large loads.

[0004] In addition, some strollers have their seat height adjustment and locking mechanism designed on a push rod. When adjusting, you need to first operate the unlocking mechanism on the push rod, then slide the seat frame relative to the push rod to the preset position, and finally lock it. Therefore, it requires step-by-step operation, which is inconvenient.

[0005] Therefore, this utility model was developed to address the aforementioned problems. [Utility Model Content]

[0006] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an adapter adjustment mechanism for a stroller seat frame and a stroller. The locking adjustment component is set between the corresponding rod / tube of the stroller frame and the adapter seat, and the unlocking component is set on the adapter seat. After the unlocking component is unlocked, it slides together with the adapter seat relative to the corresponding rod / tube of the stroller frame. During this unlocking process, the sliding unlocking direction of the unlocking component is parallel to the sliding direction of the adapter seat relative to the stroller frame, thus facilitating the user to operate the unlocking and unlocking adjustment of the seat frame relative to the stroller frame. Moreover, the locking adjustment component is horizontally snapped into the locking adjustment part, so that it can withstand greater force in the locked state, thereby ensuring that the connection and locking between the adapter seat and the stroller frame is reliable and stable.

[0007] To solve the above-mentioned technical problems, this utility model provides an adapter adjustment mechanism for a stroller seat frame, used to adjustably install the seat frame 200 onto the stroller frame 100, comprising:

[0008] The adapter 1 is slidably mounted on the stroller frame 100, and the adapter 1 is fixedly connected to an adapter mounting part 11 for detachable connection with the seat frame 200.

[0009] Locking adjustment assembly 2, the locking adjustment assembly 2 is disposed between the corresponding rod / pipe of the stroller frame 100 and the adapter seat 1, the locking adjustment assembly 2 includes a plurality of locking adjustment parts 21 spaced apart and laterally disposed on the corresponding rod / pipe of the stroller frame 100, and a locking adjustment member 22 movably disposed on the adapter seat 1 and used to engage with the corresponding locking adjustment part 21 to lock the adapter seat 1 relative to the stroller frame 100;

[0010] Unlocking component 3 is disposed on adapter 1 and can slide together with adapter 1 relative to stroller frame 100. Unlocking component 3 includes unlocking member 31 slidably connected to adapter 1. The sliding direction of unlocking member 31 relative to adapter 1 is configured to be parallel to the sliding direction of adapter 1 relative to the corresponding rod / tube of stroller frame 100. When unlocking member 31 slides relative to adapter 1, it triggers locking adjustment member 22 to move in a direction perpendicular to the central axis of the corresponding rod / tube of stroller frame 100, so that locking adjustment member 22 is laterally engaged or disengaged from locking adjustment part 21, so that adapter 1 can be locked or unlocked relative to stroller frame 100.

[0011] As described above, in a stroller seat frame adapter adjustment mechanism, the unlocking member 31 is configured to slide relative to the adapter seat 1 in an automatically reset manner. When the unlocking member 31 slides relative to the adapter seat 1 in an automatically reset manner, the unlocking member 31 remains in contact with the locking adjustment member 22, and the locking adjustment member 22 is laterally engaged with the locking adjustment part 21 to maintain a locked state.

[0012] As described above, in a stroller seat frame adapter adjustment mechanism, the unlocking member 31 is provided with a locking blocking part 311 and an unlocking clearance part 312. The locking blocking part 311 and the unlocking clearance part 312 are selectively engaged with the locking adjusting member 22. When the locking blocking part 311 abuts against the locking adjusting member 22, the locking adjusting member 22 is engaged with the locking adjusting part 21 and is in a locked state. When the locking adjusting member 22 abuts against the unlocking clearance part 312, the locking adjusting member 22 is disengaged from the locking adjusting part 21 and is in an unlocked state.

[0013] As described above, in a stroller seat frame adapter adjustment mechanism, the two ends of the locking adjustment member 22 are slidably connected to the adapter seat 1, and the locking blocking part 311 of the unlocking member 31 abuts against the middle of the locking adjustment member 22 and is in a locked state.

[0014] As described above, in a stroller seat frame adapter adjustment mechanism, the locking blocking part 311 and the unlocking avoidance part 312 are arranged in an upper and lower stepped structure, and the two are connected by an unlocking inclined part 313.

[0015] As described above, in a stroller seat frame adapter adjustment mechanism, the unlocking component 3 further includes an unlocking guide hole 32 provided on the adapter seat 1. The unlocking member 31 is slidably connected to the unlocking guide hole 32. One end of the unlocking guide hole 32 is blocked and an unlocking elastic member 33 is provided between it and one end of the unlocking member 31 for driving the unlocking member 31 to elastically reset. The other end of the unlocking member 31 protrudes from the unlocking guide hole 32 to form an unlocking button 314. The unlocking elastic member 33 elastically presses against the unlocking member 31 so that the locking blocking part 311 of the unlocking member 31 presses against the locking adjustment member 22 and remains locked into the locking adjustment part 21.

[0016] As described above, in a stroller seat frame adapter adjustment mechanism, one end of the unlocking guide hole 32 is provided with a blocking block 321 to block it, and the other end of the unlocking guide hole 32 forms a limit stop 322 to restrict the unlocking member 31 from disengaging from the unlocking guide hole 32.

[0017] As described above, the adapter adjustment mechanism for a stroller seat frame includes an adapter sleeve 12 that is slidably fitted onto a corresponding rod / tube of the stroller frame 100. The locking adjustment member 22 extends laterally through the adapter sleeve 12, and the portion of the locking adjustment member 22 located in the inner hole of the adapter sleeve 12 can be engaged with the corresponding locking adjustment part 21 to lock the adapter seat 1 relative to the stroller frame 100.

[0018] As described above, in a stroller seat frame, the adapter adjustment mechanism has a guide slot 13 on its side. The end of the locking adjustment member 22 is slidably engaged with the guide slot 13, so that the locking adjustment member 22 can be engaged or disengaged from the corresponding locking adjustment part 21 under the action of the unlocking member 31.

[0019] This utility model also provides a children's stroller, including a stroller frame 100 and a seat frame 200. The stroller frame 100 includes a base frame 120 and a push rod 110. The base frame 120 is provided with a front wheel assembly 1201 and a rear wheel assembly 1202 in the front-rear direction, respectively. The lower end of the push rod 110 is rotatably connected to the front of the base frame 120. The seat frame 200 is slidably and adjustablely connected to the push rod 110 through the adaptation and adjustment mechanism described above.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] 1. The sliding unlocking direction of the unlocking component of this utility model is parallel to the sliding direction of the adapter seat relative to the stroller frame, which makes it convenient for users to operate and adjust after unlocking. The height of the seat frame can be adjusted smoothly after unlocking, which is convenient to use.

[0022] 2. The locking adjustment component is horizontally positioned and can be snapped into the locking adjustment part, thus it can withstand greater force, thereby ensuring reliable and stable connection and locking between the adapter seat and the stroller frame, ensuring safe use; it avoids the problem of fatigue failure that is common with conventional telescopic locking tongues and lock holes.

[0023] 3. This utility model sets the unlocking component on the adapter seat, and the seat frame can slide and adjust relative to the stroller frame together with the adapter seat. The unlocking component also moves relative to the stroller frame together with the adapter seat. Therefore, when the user uses the unlocking component to unlock, he / she can simultaneously use the adapter seat to move the seat frame relative to the stroller frame to the preset position. After that, releasing the unlocking component will lock the adapter seat relative to the stroller frame. Therefore, it has the characteristics of simple and reliable design structure and convenient operation.

[0024] 4. When the user releases the unlocking component, the unlocking component can slide relative to the fitting seat and automatically reset, so that the locking blocking part of the unlocking component presses against the locking adjustment part. Therefore, the locking adjustment part can be horizontally engaged with the locking adjustment part to maintain the locked state, realizing the automatic locking function. It has the characteristics of convenient use and safe use.

[0025] 5. In this utility model, the locking adjustment component is laterally movable and engages with the locking adjustment part on the stroller frame. The sliding direction of the unlocking component is perpendicular to the lateral movement direction of the locking adjustment component. In the locked state, the main force direction of the locking adjustment component is parallel to the sliding direction of the unlocking component. Therefore, the unlocking component can use the small pushing force generated by the locking blocking part to stably engage the locking adjustment component with the locking adjustment part, making the unlocking operation labor-saving and convenient.

[0026] 6. The two ends of the locking adjustment component are slidably connected to the adapter seat. In the locked state, the locking blocking part of the unlocking component abuts against the middle part of the locking adjustment component, and the middle part of the locking adjustment component is engaged with the locking adjustment part. This not only has the characteristics of greater load-bearing capacity, increasing safety performance and extending service life, and avoiding fatigue damage of the locking adjustment component that would affect the locking effect, but also prevents the locking adjustment component from disengaging from the locking adjustment part due to stress strain. This ensures that the locking adjustment component is stably engaged with the locking adjustment part, making the locking safe and reliable. [Attached Image Description]

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0028] Figure 1 This is an exploded view of the children's stroller in this utility model.

[0029] Figure 2 This is a perspective view of the adaptive adjustment mechanism in this utility model.

[0030] Figure 3 This is one of the cross-sectional views of the adaptive adjustment mechanism in this utility model.

[0031] Figure 4 This is the second cross-sectional view of the adaptive adjustment mechanism in this utility model.

[0032] Figure 5 This is an exploded view of the adaptive adjustment mechanism in this utility model.

[0033] Figure 6 This is a schematic diagram showing the adjustment mechanism of the present invention in different positions.

Detailed Implementation Methods

[0034] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0035] like Figure 1-6As shown, this utility model discloses an adapter adjustment mechanism for a stroller seat frame, used to adjustably install a seat frame 200 onto a stroller frame 100. It includes an adapter seat 1, a locking adjustment component 2, and an unlocking component 3. The adapter seat 1 is slidably installed on the stroller frame 100, and is fixedly connected to an adapter mounting part 11 for detachable connection with the seat frame 200. The locking adjustment component 2 is located between the corresponding rod / pipe of the stroller frame 100 and the adapter seat 1. The locking adjustment component 2 includes multiple locking adjustment parts 21 spaced apart and laterally arranged on the corresponding rod / pipe of the stroller frame 100, and a locking adjustment member 22 movably disposed on the adapter seat 1, used to engage with the corresponding locking adjustment part 21 to lock the adapter seat 1 relative to the stroller frame 100. The unlocking component 3 is located on the adapter seat. 1. The adapter seat 1 can slide together with the stroller frame 100. The unlocking component 3 includes an unlocking member 31 slidably connected to the adapter seat 1. The sliding direction of the unlocking member 31 relative to the adapter seat 1 is configured to be parallel to the sliding direction of the adapter seat 1 relative to the corresponding rod / tube of the stroller frame 100. When the unlocking member 31 slides relative to the adapter seat 1, it triggers the locking adjustment member 22 to move in a direction perpendicular to the central axis of the corresponding rod / tube of the stroller frame 100, so that the locking adjustment member 22 is laterally engaged or disengaged from the locking adjustment part 21, so that the adapter seat 1 can be locked or unlocked relative to the stroller frame 100. In this invention, the sliding unlocking direction of the unlocking component is parallel to the sliding direction of the adapter relative to the stroller frame, while the sliding direction of the unlocking component is perpendicular to the lateral movement direction of the locking adjustment component. This makes the unlocking and adjustment easier and more convenient for the user. In addition, the locking adjustment component is laterally engaged with the locking adjustment part, which can withstand greater force, thereby ensuring a reliable and stable connection and locking between the adapter and the stroller frame. This avoids the problem of fatigue damage caused by the conventional use of telescopic locking tongue and lock hole, which affects the locking effect.

[0036] This invention features an unlocking component mounted on an adapter seat. The seat frame can slide and adjust relative to the stroller frame along with the adapter seat. After unlocking, the unlocking component moves relative to the stroller frame along with the adapter seat. Therefore, when the user uses the unlocking component to unlock, they can also use the adapter seat to slide the seat frame relative to the stroller frame. Once adjusted to the preset position, releasing the unlocking component will lock the adapter seat relative to the stroller frame. Thus, this design is simple, reliable, and easy to operate.

[0037] To facilitate and smoother unlocking, an unlocking separation elastic element is provided between the locking adjustment member 22 and the adapter seat 1. This unlocking separation elastic element is used to drive the locking adjustment member 22 to separate from the locking adjustment part 21. Specifically, after the user presses the unlocking member 31 and slides it inward to a preset position, the locking adjustment member 22 automatically separates from the locking adjustment part 21 under the elastic action of the unlocking separation elastic element. At this time, the seat height can be adjusted.

[0038] like Figure 4-5 As shown, the unlocking member 31 is configured to slide relative to the adapter 1 in an automatically reset manner. When the unlocking member 31 slides relative to the adapter 1 in an automatically reset manner, the unlocking member 31 remains in contact with the locking adjustment member 22, and the locking adjustment member 22 is laterally engaged with the locking adjustment part 21 to maintain the locked state. That is, under normal conditions, the elastic member and the locking adjustment member automatically reset after the user releases the hand, which can realize the automatic locking function and has the characteristics of convenient and safe use.

[0039] like Figure 4-5 As shown, the unlocking member 31 is provided with a locking blocking part 311 and an unlocking abutment part 312. The locking blocking part 311 and the unlocking abutment part 312 are selectively engaged with the locking adjusting member 22. When the locking blocking part 311 abuts against the locking adjusting member 22, the locking adjusting member 22 is engaged with the locking adjusting part 21 and is in a locked state. When the locking adjusting member 22 abuts against the unlocking abutment part 312, the locking adjusting member 22 disengages from the locking adjusting part 21 and is in an unlocked state. Figure 4-5 As shown, in order to ensure smooth unlocking and locking operations, the locking blocking part 311 and the unlocking avoidance part 312 are arranged in an upper and lower stepped structure, and the two are connected by the unlocking inclined part 313.

[0040] like Figure 3-5 As shown, the two ends of the locking adjustment member 22 are slidably connected to the adapter seat 1. The locking blocking part 311 of the unlocking member 31 abuts against the middle of the locking adjustment member 22 and is in a locked state. This can prevent the locking adjustment member from being dislodged from the locking adjustment part due to stress and strain, thereby ensuring that the locking adjustment member is stably engaged with the locking adjustment part and that the locking is reliable.

[0041] like Figure 1-6As shown, to ensure stable sliding of the unlocking component, the unlocking assembly 3 further includes an unlocking guide hole 32 on the adapter 1. The unlocking component 31 is slidably connected to the unlocking guide hole 32. One end of the unlocking guide hole 32 is blocked, and an unlocking elastic element 33 is provided between it and one end of the unlocking component 31 to drive the unlocking component 31 to elastically reset. The other end of the unlocking component 31 protrudes from the unlocking guide hole 32 to form an unlocking button 314. The unlocking elastic element 33 elastically presses against the unlocking component 31, so that the locking blocking part 311 of the unlocking component 31 presses against the locking adjusting part 22 and remains engaged in the locking adjusting part 21. During unlocking, as... Figure 4 As shown, the user operates the unlock button 314 upwards to make the unlocking member 31 slide upwards relative to the adapter seat, that is, the locking adjustment member 22 separates from the locking blocking part 311 and engages with the unlocking avoidance part 312, so that the locking adjustment member 22 disengages from the locking adjustment part 21 and is in the unlocked state.

[0042] like Figure 3-5 As shown, in order to facilitate assembly and make the structure of this utility model simple, one end of the unlocking guide hole 32 is provided with a blocking block 321 to block it, and the other end of the unlocking guide hole 32 forms a limiting stop edge 322 to restrict the unlocking member 31 from disengaging from the unlocking guide hole 32.

[0043] like Figure 1-6 As shown, the adapter seat 1 is provided with an adapter sleeve 12 that is slidably fitted onto the corresponding rod / tube of the stroller frame 100. The locking adjustment member 22 extends laterally through the adapter sleeve 12, and the portion of the locking adjustment member 22 located in the inner hole of the adapter sleeve 12 can be engaged with the corresponding locking adjustment part 21 to lock the adapter seat 1 relative to the stroller frame 100. The adapter sleeve 12 and the corresponding rod / tube of the stroller frame 100 adopt a sleeve structure. The inner hole of the adapter sleeve and the outer surface of the corresponding rod / tube form a coaxial constraint, so that the adapter seat 1 can only slide along the axial direction of the corresponding rod / tube, avoiding lateral displacement of the adapter seat due to external force or processing errors, ensuring that the seat frame 200 always maintains the preset posture during the adjustment process, and improving the accuracy of seat frame position adjustment. In addition, the locking adjustment component is arranged horizontally and engages with the locking adjustment part in the middle to avoid fatigue damage of the locking adjustment component that would affect the locking effect. It also has the characteristics of bearing greater load, which increases safety performance and service life.

[0044] like Figure 4 , 5As shown, the adapter sleeve 12 has a guide slot 13 on its side. The end of the locking adjustment member 22 is slidably engaged with the guide slot 13, so that the locking adjustment member 22 can be engaged or disengaged from the corresponding locking adjustment part 21 under the action of the unlocking member 31. The guide slot 13 adopts an elongated hole structure, which guides the sliding path of the locking adjustment member, ensuring that the locking adjustment member can move smoothly and stably in the set direction and be laterally engaged with the corresponding locking adjustment part 21.

[0045] This utility model also provides a stroller, including a stroller frame 100 and a seat frame 200. The stroller frame 100 includes a base frame 120 and a push rod 110. The base frame 120 is provided with a front wheel assembly 1201 and a rear wheel assembly 1202 in the front-rear direction, respectively. The lower end of the push rod 110 is rotatably connected to the front of the base frame 120. The seat frame 200 is slidably and adjustablely connected to the push rod 110 through the aforementioned adaptation and adjustment mechanism. By adopting the above-mentioned adaptation and adjustment mechanism, the adjustment of the seat frame is not only convenient to operate, but also has the characteristics of stable and reliable locking, taking into account both the need for a single seat to be adjusted to a high-view state and the need for a double seat to avoid interference when connected.

Claims

1. An adapter adjustment mechanism for a stroller seat frame, used to adjustably mount a seat frame (200) onto a stroller frame (100), characterized in that... include: The adapter (1) is slidably mounted on the stroller frame (100), and the adapter (1) is fixedly connected to an adapter mounting part (11) for detachable connection with the seat frame (200). Locking adjustment assembly (2), the locking adjustment assembly (2) is disposed between the corresponding rod / pipe of the stroller frame (100) and the adapter seat (1), the locking adjustment assembly (2) includes a plurality of locking adjustment parts (21) spaced apart and laterally disposed on the corresponding rod / pipe of the stroller frame (100), and a locking adjustment member (22) movably disposed on the adapter seat (1) and used to engage with the corresponding locking adjustment part (21) to lock the adapter seat (1) relative to the stroller frame (100); The unlocking component (3) is located on the adapter (1) and can slide with the adapter (1) relative to the stroller frame (100). The unlocking component (3) includes an unlocking member (31) slidably connected to the adapter (1). The sliding direction of the unlocking member (31) relative to the adapter (1) is configured to be parallel to the sliding direction of the adapter (1) relative to the corresponding rod / tube of the stroller frame (100). When the unlocking member (31) slides relative to the adapter (1), it triggers the locking adjustment member (22) to move in a direction perpendicular to the central axis of the corresponding rod / tube of the stroller frame (100), so that the locking adjustment member (22) is laterally engaged or disengaged from the locking adjustment part (21), so that the adapter (1) can be locked or unlocked relative to the stroller frame (100).

2. The adapter adjustment mechanism for a stroller seat frame according to claim 1, characterized in that... The unlocking member (31) is configured to slide relative to the adapter (1) in an automatically reset manner, and when the unlocking member (31) slides relative to the adapter (1) in an automatically reset manner, the unlocking member (31) remains in contact with the locking adjustment member (22), and the locking adjustment member (22) is laterally engaged with the locking adjustment part (21) to maintain the locked state.

3. The adapter adjustment mechanism for a stroller seat frame according to claim 1, characterized in that... The unlocking member (31) is provided with a locking blocking part (311) and an unlocking avoidance part (312). The locking blocking part (311) and the unlocking avoidance part (312) are selectively engaged with the locking adjusting member (22). When the locking blocking part (311) abuts against the locking adjusting member (22), the locking adjusting member (22) is engaged with the locking adjusting part (21) and is in a locked state. When the locking adjusting member (22) abuts against the unlocking avoidance part (312), the locking adjusting member (22) is disengaged from the locking adjusting part (21) and is in an unlocked state.

4. The adapter adjustment mechanism for a stroller seat frame according to claim 3, characterized in that... The locking adjustment member (22) is slidably connected to the adapter (1) at both ends, and the locking blocking part (311) of the unlocking member (31) abuts against the middle of the locking adjustment member (22) and is in a locked state.

5. The adapter adjustment mechanism for a stroller seat frame according to claim 3, characterized in that... The locking blocking part (311) and the unlocking avoidance part (312) are arranged in an upper and lower stepped structure, and the two are connected by the unlocking inclined part (313).

6. The adapter adjustment mechanism for a stroller seat frame according to claim 3, characterized in that... The unlocking component (3) further includes an unlocking guide hole (32) provided on the adapter (1). The unlocking member (31) is slidably connected to the unlocking guide hole (32). One end of the unlocking guide hole (32) is blocked and an unlocking elastic member (33) is provided between it and one end of the unlocking member (31) for driving the unlocking member (31) to elastically reset. The other end of the unlocking member (31) is exposed in the unlocking guide hole (32) to form an unlocking button (314). The unlocking elastic member (33) elastically presses against the unlocking member (31) so that the locking blocking part (311) of the unlocking member (31) presses against the locking adjusting member (22) and remains locked into the locking adjusting part (21).

7. The adapter adjustment mechanism for a stroller seat frame according to claim 6, characterized in that... One end of the unlocking guide hole (32) is blocked by a plug (321), and the other end of the unlocking guide hole (32) forms a limit stop (322) to restrict the unlocking member (31) from disengaging from the unlocking guide hole (32).

8. The adapter adjustment mechanism for a stroller seat frame according to any one of claims 1-7, characterized in that... The adapter seat (1) is provided with an adapter sleeve (12) that is slidably fitted onto the corresponding rod / pipe of the stroller frame (100). The locking adjustment member (22) extends laterally through the adapter sleeve (12), and the part of the locking adjustment member (22) located in the inner hole of the adapter sleeve (12) can be engaged with the corresponding locking adjustment part (21) to lock the adapter seat (1) relative to the stroller frame (100).

9. The adapter adjustment mechanism for a stroller seat frame according to claim 8, characterized in that... The adapter sleeve (12) has a guide slot (13) on its side. The end of the locking adjustment member (22) is slidably engaged with the guide slot (13), so that the locking adjustment member (22) can be engaged or disengaged from the corresponding locking adjustment part (21) under the action of the unlocking member (31).

10. A children's stroller, characterized in that... The stroller includes a stroller frame (100) and a seat frame (200). The stroller frame (100) includes a base frame (120) and a push rod (110). The base frame (120) is provided with a front wheel assembly (1201) and a rear wheel assembly (1202) in the front-rear direction. The lower end of the push rod (110) is rotatably connected to the front of the base frame (120). The seat frame (200) is slidably and adjustablely connected to the push rod (110) through the adaptation and adjustment mechanism as described in any one of claims 1-9.

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