CN212447748U - Baby carriage frame and baby carriage - Google Patents

Abstract

The utility model discloses a baby carriage frame and baby carriage. The baby carriage frame comprises a handle group, a front support group, a rear support group, a seat group and a joint group, wherein the seat group comprises a seat plate and a related unlocking piece, the seat plate rotates to drive the related unlocking piece to move, the joint group is connected with the handle group, the front support group and the rear support group and comprises a joint unlocking device, and the related unlocking piece drives the joint unlocking device to move to enable the handle group and the front support group to enter an unlocking state relative to the rear support group. The utility model discloses a baby carriage frame makes the seat board rotate and just can drive the motion of associated unblocking piece and then make the unblock of joint group accomplish the receipts of whole baby carriage to close as long as receive the seat group when closing, compares with prior art, as long as one-step operation just can accomplish the receipts of whole baby carriage and close, and easy operation is convenient.

Description

Baby carriage frame and baby carriage

Technical Field

The utility model relates to a perambulator technical field, in particular to perambulator frame and perambulator.

Background

Most households now use strollers to carry babies to save physical strength. Most strollers are collapsible for ease of carrying and storage. For the stroller with a seat, the seat is usually folded before another folding mechanism is operated to unlock the main joint so as to fold the entire stroller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a perambulator frame and perambulator to simplify the operation that the perambulator was closed to close.

The utility model discloses the first aspect provides a baby carriage frame, include:

a handle group;

a front bracket set;

a rear bracket set;

the seat group comprises a seat plate and a related unlocking piece, and the seat plate rotates to drive the related unlocking piece to move; and

the joint group is connected with the handle group, the front support group and the rear support group and comprises a joint unlocking device, and the joint unlocking piece drives the joint unlocking device to move so that the handle group and the front support group enter an unlocking state relative to the rear support group in a rotating mode.

In some embodiments, the seat assembly further includes a supporting seat fixedly connected to the seat plate and an outer cover disposed outside the supporting seat, the outer cover is provided with a guiding hole, the associated unlocking member is an unlocking top block disposed between the supporting seat and the outer cover, and the supporting seat rotates to push the unlocking top block to move outwards and enable the unlocking protrusion on the unlocking top block to penetrate through the guiding hole to act on the joint unlocking device.

In some embodiments, the supporting seat comprises a shaft sleeve and a driving block which is arranged on the inner wall of the shaft sleeve and extends out of the end portion of the shaft sleeve, the unlocking top block comprises an unlocking groove, and the driving block is matched with the unlocking groove to drive the unlocking top block to move.

In some embodiments, the cross-sections of the driving block and the unlocking groove are both triangular, the side surface of the driving block and the side surface of the unlocking groove are matched with each other, the side surface of the driving block and the side surface of the unlocking groove are both inclined surfaces, and the inclined surfaces are gradually close to the central axis of the shaft sleeve in the direction from the axial inner side to the axial outer side.

In some embodiments, the seat assembly includes a back assembly and a support base fixedly attached to the seat plate, the back assembly including a back tube and an inner cover disposed at a lower end of the back tube, the inner cover having an unlocked state of rotation relative to the support base.

In some embodiments, the backrest set further comprises a drive dial and a backrest gear sequentially disposed between the inner cover and the support base, the drive dial urging the backrest gear to move away from the inner cover to disengage the inner cover to unlock the inner cover.

In some embodiments, the inner cover is an annular groove, the bottom surface of the annular groove is provided with at least two first inclined plane blocks arranged at intervals along the circumferential direction, the driving turntable is sleeved on the inner ring of the annular groove, the end surface of the driving turntable is also provided with driving inclined plane blocks arranged corresponding to the at least two first inclined plane blocks, and the driving turntable rotates to enable the driving inclined plane blocks to be abutted against the first inclined plane blocks to push the driving turntable to move so as to push the backrest gear to move.

In some embodiments, the upper surface of the first incline block is an incline, and the distance between the upper surface of the first incline block and the bottom surface of the annular groove becomes gradually larger in the rotation direction of the drive dial.

In some embodiments, the backrest set further includes a armrest seat disposed inside the support base, the armrest seat having an unlocked state of rotation relative to the support base.

In some embodiments, the armrest seat comprises an armrest tube and an armrest ring, the inner wall of the armrest ring is provided with oppositely arranged limiting grooves, the seat group further comprises an armrest seat lock disc arranged outside the supporting seat, the inner end face of the armrest seat lock disc is provided with limiting protrusions extending along the axial direction, the limiting protrusions are provided with step faces clamped with the limiting grooves, at least two second inclined face blocks are arranged on the end face of the outer ring of the annular groove, and when the inner cover rotates, the second inclined face blocks are abutted to the limiting protrusions to push the armrest seat lock disc to move and be separated from the armrest ring.

In some embodiments, the upper surface of the second incline block is an incline, and the distance between the upper surface of the second incline block and the bottom surface of the annular groove becomes gradually smaller in the rotation direction of the drive dial.

In some embodiments, the seat set further includes an outer cover and a seat gear disposed between the armrest lock plate and the outer cover, a third slope block is disposed on a side surface of the outer ring of the annular groove, the third slope block abuts against the limit protrusion to push the armrest lock plate to move, and the armrest lock plate moves to push the seat gear to move outwards so as to separate the support seat from the seat gear.

In some embodiments, the upper surface of the third ramp block is a ramp, and the distance between the upper surface of the third ramp block and the outer ring side surface of the annular groove becomes gradually larger in the rotational direction of the drive disk.

The utility model discloses the second aspect provides a baby carriage, include the utility model discloses the baby carriage frame that the first aspect provided.

Based on the utility model provides a perambulator frame and perambulator, perambulator frame includes hand (hold) group, preceding support group, back support group, seat group and joint group, and seat group is including seat board and associated deblocking spare, and the seat board rotates in order to drive the motion of associated deblocking spare, and joint group connects hand (hold) group, preceding support group and back support group just include joint unlocking device, and associated deblocking spare drive joint unlocking device moves so that hand (hold) group and preceding support group get into for back support group pivoted unblock state. The utility model discloses a baby carriage frame makes the seat board rotate and just can drive the motion of associated unblocking piece and then make the unblock of joint group accomplish the receipts of whole baby carriage to close as long as receive the seat group when closing, compares with prior art, as long as one-step operation just can accomplish the receipts of whole baby carriage and close, and easy operation is convenient.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of a stroller frame according to an embodiment of the present invention in an unfolded state;

fig. 2 to 4 are schematic views illustrating a collapsing process of the stroller frame shown in fig. 1;

FIG. 5 is a schematic illustration of the connected seating and articulation groups of FIG. 1;

FIG. 6 is a schematic view of an angle at which the seating and joint sets of FIG. 1 are separated;

FIG. 7 is a schematic view of another angle of separation of the seat set and the joint set of FIG. 1;

FIGS. 8 and 9 are schematic views illustrating the rotation process of the backrest set;

fig. 10 and 11 are schematic exploded views of the seat group of fig. 1;

FIG. 12 is a schematic view of the construction of the inner lid of FIG. 10;

FIG. 13 is a schematic structural diagram of the driving turntable in FIG. 10;

FIG. 14 is a schematic view of the support base and the unlocking top block of FIG. 10;

FIG. 15 is a schematic structural view of the outer cover of FIG. 10;

FIG. 16 is an exploded view of the seat set and joint set of FIG. 1;

each reference numeral represents:

1. a handle group;

2. a front bracket set;

3. a rear bracket set;

4. a seat group;

40. a seat plate;

41. a backrest adjusting handle cover;

42. a backrest adjustment handle;

43. a backrest adjusting seat;

44. adjusting and drawing a wire on the backrest;

45. a back tube;

46. an inner cover;

47. driving the turntable;

48. a back gear;

49. a back spring;

410. a handrail seat;

411. a supporting seat; 4111. a drive block;

412. the joint unlocks the ejector block; 4121. unlocking the groove; 4122. an unlocking protrusion;

413. the joint unlocks the ejector block spring;

414. a handrail seat lock plate; 4141. a limiting protrusion;

415. a spring bracket of a lock plate of the armrest seat;

416. a handrail seat lock plate spring;

417. a seat gear;

418. a seat gear spring;

419. a seat quick release button cover;

420. a seat quick release spring;

421. a seat quick release lock pin;

422. a seat quick release button;

423. an outer cover; 4231. a guide hole;

5. a joint group;

51. a handle joint; 52. a joint gear; 53. a joint gear spring; 54. an anterior stent joint; 55. a joint cover; 56. a joint unlocking button; 57. a joint unlocking button spring; 58. the posterior support joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously positioned and the spatially relative descriptors used herein interpreted accordingly.

In the description of the embodiments below, the side closer to the center of the stroller frame is the inside and the side further from the center of the stroller frame is the outside.

As shown in fig. 1 to 16, the stroller frame according to the embodiment of the present invention includes:

a handle group 1;

a front bracket group 2;

a rear bracket group 3;

the seat group 4 comprises a seat plate 40 and a related unlocking piece, and the seat plate 40 rotates to drive the related unlocking piece to move; and

the joint group 5 is connected with the handle group 1, the front support group 2 and the rear support group 3, the joint group 5 comprises a joint unlocking device, and the joint unlocking device is driven by the associated unlocking piece to move so that the handle group 1 and the front support group 2 enter an unlocking state rotating relative to the rear support group 3.

The utility model discloses baby carriage frame makes the seat board rotate and just can drive the motion of associated unlocking piece and then make the joint group 5 unblocks accomplish the receipts of whole baby carriage to close as long as receive the seat group when closing up, compares with prior art, as long as one-step operation just can accomplish the receipts of whole baby carriage and close, and easy operation is convenient.

As shown in fig. 2, when the stroller is folded, the backrest set is first rotated to a position where it fits the seat plate; then, as shown in fig. 3, the backrest set and the seat plate continue to rotate to be attached to the front frame set 2, at this time, as shown in fig. 4, the unlocking button of the joint set 5 is opened, and both the handle set 1 and the front frame set 2 can move relative to the rear frame set 3, so that the folding of the whole stroller is completed.

The structure and folding process of the stroller frame will be described in detail below.

As shown in fig. 10, the seat set 4 further includes a supporting seat 411 fixedly connected to the seat plate 40 and an outer cover 423 disposed outside the supporting seat 411, a guiding hole 4231 is disposed on the outer cover 423, the associated unlocking member is an unlocking top block 412 disposed between the supporting seat 411 and the outer cover 423, and the supporting seat 411 rotates to push the unlocking top block 412 to move outward and make the unlocking protrusion 4122 on the unlocking top block 412 pass through the guiding hole 4231 to act on the joint unlocking device.

As shown in fig. 14, the supporting seat 411 includes a shaft sleeve and a driving block 4111 disposed on an inner wall of the shaft sleeve and protruding out of an end of the shaft sleeve, the unlocking top block 412 includes an unlocking groove 4121, and the driving block 4111 cooperates with the unlocking groove 4121 to drive the unlocking top block 412 to move.

The cross-sections of the driving block 4111 and the unlocking groove 4121 of the present embodiment are both triangular, and the mating surfaces of the driving block 4111 and the unlocking groove 4121 are both inclined surfaces. Specifically, the side surface of the driving block 4111 and the side surface of the unlocking groove 4121 are engaged with each other and both the side surface of the driving block and the side surface of the unlocking groove are inclined surfaces that gradually approach the central axis of the boss in the direction from the axially inner side to the axially outer side.

As shown in fig. 10, the seat group 4 of the present embodiment includes a backrest group including a backrest tube 45 and an inner cover 46 provided at a lower end of the backrest tube 45, the inner cover 46 having an unlocked state of rotating with respect to the support base 411.

A backrest adjusting wire 44 penetrates through the inner side of the backrest tube 45, and the backrest adjusting wire 44 is connected with a driving turntable 47 to drive the driving turntable 47 to rotate. The upper end of the inner cover 46 is also provided with a sleeve which is connected to the back tube 45.

As shown in fig. 10 and 11, the backrest set further includes a driving dial 47 and a backrest gear 48 sequentially disposed between the inner lid 46 and the support seat 411, and the driving dial 47 pushes the backrest gear 48 to move away from the inner lid 46 to disengage from the inner lid 46 to unlock the inner lid.

As shown in fig. 12, the inner lid 46 is an annular groove, and the outer ring groove wall of the annular groove has a latch that engages with the back gear 48. When the stroller is in the deployed state, the latch of the inner cover 46 engages the back gear 48; when it is desired to fold the stroller, the back gear 48 disengages the inner cover 46 to unlock and allow the back set to rotate downwardly.

Specifically, as shown in fig. 12, the bottom surface of the annular groove is provided with at least two first slope blocks 461 disposed at intervals in the circumferential direction. As shown in fig. 13, the driving turntable 47 is sleeved on the inner ring of the annular groove, and the end surface of the driving turntable 47 is also provided with driving bevel blocks 471 arranged corresponding to the at least two first bevel blocks 461, and the driving turntable 47 rotates to make the driving bevel blocks 471 abut against the first bevel blocks 461 to push the driving turntable 47 to move and further push the backrest gear 48 to move.

The upper surface of the first inclined block 461 of the present embodiment is an inclined surface, and the distance between the upper surface of the first inclined block 461 and the bottom surface of the annular groove becomes gradually larger in the rotation direction of the drive dial 47.

Specifically, the end of the upper surface of the first bevel block 461 is further provided with a planar end, and the planar end is connected with the bevel section and is parallel to the groove bottom.

The backrest set of the present embodiment further includes a armrest seat 410 disposed inside the support seat 411, and the armrest seat 410 has an unlocked state rotating relative to the support seat 411.

The armrest seat 410 comprises an armrest tube and an armrest ring, a limiting groove is formed in the inner wall of the armrest ring, the seat group further comprises an armrest seat lock disc 414 arranged on the outer side of the supporting seat 411, a limiting protrusion 4141 extending along the axial direction is arranged on the inner end face of the armrest seat lock disc 414, the limiting protrusion 4141 is provided with a step face clamped with the limiting groove, at least two second inclined face blocks 462 are arranged on the outer ring end face of the annular groove, and when the inner cover 46 rotates, the second inclined face blocks 462 are abutted to the limiting protrusion 4141 to push the armrest seat lock disc 414 to move and separate from the armrest ring.

The upper surface of the second inclined block 462 is an inclined surface, and the distance between the upper surface of the second inclined block 462 and the bottom surface of the annular groove becomes gradually smaller in the rotational direction of the drive dial 47.

The seat set of the present embodiment further includes an outer cover 423 and a seat gear 417 disposed between the seat lock plate 414 and the outer cover 423, a third slope piece 463 is disposed on an outer side surface of the annular groove, the third slope piece 463 abuts against the limit protrusion 4141 to push the seat lock plate 414 to move, and the seat lock plate 414 moves to push the seat gear 418 to move outward so as to separate the support seat 411 from the seat gear 417.

The upper surface of the third slope block 463 of the present embodiment is a slope, and the distance between the upper surface of the third slope block 463 and the outer ring side surface of the annular groove becomes gradually larger in the rotational direction of the drive dial 47.

Specifically, as shown in fig. 10, the seat group 4 includes a seat plate 40, a backrest adjustment handle cover 41, a backrest adjustment handle 42, a backrest adjustment seat 43, a backrest adjustment wire 44, a backrest tube 45, an inner cover 46, a drive dial 47, a backrest gear 48, a backrest spring 49, an armrest seat 410, a support seat 411, a joint unlocking top block 412, a joint unlocking top block spring 413, an armrest seat lock plate 414, an armrest seat lock plate spring bracket 415, an armrest seat lock plate spring 416, a seat gear 417, a seat gear spring 418, a seat quick release button cover 419, a seat quick release spring 420, a seat quick release lock pin 421, a seat quick release button 422, and an outer cover 423.

When the baby carriage needs to be folded, the backrest adjusting handle 42 is pulled to drive the backrest adjusting pull wire 44, the backrest adjusting pull wire 44 drives the driving turntable 47 to rotate, under the action of the first inclined plane block 461 of the inner cover 46 and the driving inclined plane block 471 of the driving turntable 47, the driving turntable 47 overcomes the resistance of the backrest spring 49 to push the backrest gear 48 to enter the supporting seat 411 completely, the backrest gear 48 is unlocked from the inner cover 46, and as shown in fig. 8, the backrest can be folded forwards.

When the backrest is folded forward, the second inclined plane block 462 abuts against the limit protrusion 4141 on the seat lock plate 414 to drive the seat lock plate 414 to move toward the outer cover 423, so that the seat lock plate 414 is separated from the seat ring 410 to be unlocked, the seat 410 can rotate freely, and the whole backrest set and the seat 410 can be folded to the position attached to the seat plate, as shown in fig. 8.

The backrest continues to rotate forward, the second slope piece 463 pushes the armrest lock plate 414 to continue moving outward, the armrest lock plate 414 overcomes the resistance of the armrest lock plate spring 416 and pushes the armrest lock plate spring support 415, the armrest lock plate spring support 415 overcomes the resistance of the seat gear spring 418 and pushes the seat gear 417 to enable the seat gear 417 to completely enter the outer cover 423, and therefore the support seat 411 and the outer cover 423 are unlocked, the support seat 411 can rotate freely, namely the seat plate can rotate freely. The seat plate is now rotated downwardly as shown in figure 9.

When the supporting seat 411 rotates, the driving block 4111 acts on the unlocking groove 4121 to move the unlocking top block 412 towards the outer cover 423, the unlocking protrusion 4122 of the unlocking top block 412 extends out of the guide hole 4231 of the outer cover 423, the joint unlocking button 56 in the joint group 5 is pushed to unlock the joint, and the frame is folded.

As shown in fig. 16, the joint set 5 includes a handlebar joint 51, a joint gear 52, a joint gear spring 53, an anterior carriage joint 54, a joint cover 55, a joint unlock button 56, a joint unlock button spring 57, and a posterior carriage joint 58. The handle joint 51 is connected with the handle group 1, the front bracket group 2 is connected with the front bracket joint 54, and the rear bracket group 3 is connected with the rear bracket joint 58. Specifically, the joint unlocking button 56 includes two protruding blocks disposed at intervals, and a through hole disposed corresponding to the protruding blocks is disposed on the rear bracket joint 58. The unlocking protrusion 4122 pushes the joint unlocking button 56 to move laterally so that the protrusion piece penetrates through the through hole to push the joint gear 52 to disengage the rear bracket joint 58 and the handlebar joint 51, thereby unlocking the joint set.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (14)

1. A stroller frame, comprising:

a handle group (1);

a front bracket group (2);

a rear bracket group (3);

the seat group (4) comprises a seat plate and a related unlocking piece, and the seat plate rotates to drive the related unlocking piece to move; and

joint group (5), joint group (5) are connected hand (hold) group (1) anterior support group (2) with posterior support group (3), just joint group (5) include joint unlocking means, the drive of associated unlocking piece joint unlocking means action is so that hand (hold) group (1) with anterior support group (2) get into for posterior support group (3) pivoted unblock state.

2. The stroller frame according to claim 1, wherein the seat group (4) further comprises a support seat (411) fixedly connected to the seat plate and an outer cover (423) arranged outside the support seat (411), a guide hole (4231) is arranged on the outer cover (423), the associated unlocking piece is an unlocking top block (412) arranged between the support seat (411) and the outer cover (423), and the support seat (411) rotates to push the unlocking top block (412) to move outwards and make an unlocking protrusion (4122) on the unlocking top block (412) penetrate out of the guide hole to act on the joint unlocking device.

3. The stroller frame according to claim 2, wherein the supporting seat (411) comprises a bushing and a driving block (4111) disposed on an inner wall of the bushing and protruding out of an end of the bushing, the unlocking top block (412) comprises an unlocking groove (4121), and the driving block (4111) is matched with the unlocking groove (4121) to drive the unlocking top block (412) to move.

4. The stroller frame according to claim 3, characterized in that the cross-section of the driving block (4111) and the unlocking groove (4121) is triangular, and the side surface of the driving block (4111) and the side surface of the unlocking groove (4121) are fitted to each other and the side surface of the driving block (4111) and the side surface of the unlocking groove (4121) are both inclined surfaces which gradually approach the central axis of the bushing in the direction from the axially inner side to the axially outer side.

5. The stroller frame according to any one of claims 1 to 4, characterized in that the seat group comprises a backrest group and a support seat (411) fixedly connected to the seat plate, the backrest group comprising a backrest tube (45) and an inner cover (46) arranged at a lower end of the backrest tube (45), the inner cover (46) having an unlocked state rotated relative to the support seat (411).

6. The stroller frame according to claim 5, wherein the backrest set further comprises a drive dial (47) and a backrest gear (48) sequentially disposed between the inner cover (46) and the support seat (411), the drive dial (47) pushing the backrest gear (48) to move away from the inner cover (46) to disengage the inner cover and unlock the inner cover.

7. The stroller frame according to claim 6, wherein the inner cover (46) is an annular groove, the bottom surface of the annular groove is provided with at least two first inclined blocks (461) arranged at intervals along the circumferential direction, the driving turntable (47) is sleeved on the inner ring of the annular groove, the end surface of the driving turntable (47) is also provided with driving inclined blocks (471) arranged corresponding to the at least two first inclined blocks (461), and the driving turntable (47) rotates to enable the driving inclined blocks (471) to abut against the first inclined blocks (461) to act on the driving turntable (47) to push the driving turntable (47) to move so as to push the backrest gear (48) to move.

8. The stroller frame according to claim 7, characterized in that the upper surface of the first ramp block (461) is a ramp and the distance between the upper surface of the first ramp block and the bottom surface of the annular groove becomes gradually larger in the rotation direction of the drive turntable (47).

9. The stroller frame according to claim 7, characterized in that the backrest group further comprises a armrest seat (410) arranged inside the support seat (411), the armrest seat (410) having an unlocked state rotated relative to the support seat (411).

10. The stroller frame of claim 9, wherein the armrest seat (410) comprises an armrest tube and an armrest ring, the armrest ring has a limiting groove on an inner wall thereof, the seat group further comprises an armrest seat lock plate (414) disposed on an outer side of the support seat (411), an inner end surface of the armrest seat lock plate (414) is provided with a limiting protrusion (4141) extending in an axial direction, the limiting protrusion (4141) has a step surface engaged with the limiting groove, at least two second slope blocks (462) are disposed on an outer ring end surface of the annular groove, and when the inner cover (46) rotates, the second slope blocks (462) abut against the limiting protrusion (4141) to push the armrest seat lock plate (414) to move to be disengaged from the armrest ring.

11. The stroller frame according to claim 10, characterized in that the upper surface of the second incline piece (462) is an incline and the distance between the upper surface of the second incline piece (462) and the bottom surface of the annular groove becomes gradually smaller in the rotation direction of the drive turntable (47).

12. The stroller frame according to claim 10, wherein the seat group further comprises an outer cover (423) and a seat gear (418) disposed between the armrest lock plate (414) and the outer cover (423), a third ramp block (463) is disposed on an outer circumferential side of the annular groove, the third ramp block (463) abuts against the limit protrusion (4141) to push the armrest lock plate (414) to move, and the armrest lock plate (414) moves to push the seat gear (418) to move outward to disengage the support seat from the seat gear.

13. The stroller frame according to claim 12, characterized in that the upper surface of the third incline block (463) is an incline, and the distance between the upper surface of the third incline block (463) and the outer ring side of the annular groove becomes gradually larger in the rotation direction of the drive turntable (47).

14. A stroller comprising a stroller frame according to any one of claims 1 to 13.

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