Seat pocket of baby stroller

Abstract

The invention relates to the technical field of infant products, and discloses a baby stroller seat pocket which comprises a backrest assembly, a seat rod assembly arranged at the bottom of the backrest assembly, two joint assemblies symmetrically arranged on the seat rod assembly, connecting rods arranged at one ends of the joint assemblies and connecting pieces arranged at the other ends of the joint assemblies. Through cooperation of the backrest assembly, the connecting rod, the connecting piece and the linkage piece, when the angle of the backrest assembly is adjusted, the pedal assembly can be automatically adjusted along with the backrest assembly, locking and multi-gear adjustment of the angle of the backrest are achieved under the cooperation of the wrench, the traction cable and the lock pin, and through the cooperation of a button and a second adjusting tooth, the angle of the backrest can be adjusted. The pedal assembly can be separated from the backrest assembly to be independently adjusted, cooperative movement of the backrest and pedals is guaranteed, personalized adjustment can be carried out according to individual conditions of infants, the use convenience and comfort of the baby stroller are remarkably improved, and the burden of parents on angle adjustment is effectively relieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of infant products, and particularly relates to a baby stroller seat pocket. BACKGROUND

[0002] The baby stroller seat pocket is a riding component specially matched with a baby stroller, is a core component of the baby stroller, and is used for providing a stable and comfortable riding area for an infant. The baby stroller seat pocket usually comprises a backrest capable of supporting a back, a seat surface capable of bearing a body, a footrest capable of placing feet, and the like basic structure. Most products are designed to have an angle adjustment function, can switch a sitting posture, a semi-laying or lying state according to requirements, and are stably connected with a stroller frame to meet the safe riding requirements of the infant when going out.

[0003] The baby stroller seat pocket with the similar structure in the market cannot realize linkage adjustment of the footrest when adjusting the angle of the backrest, and the angle of the footrest needs to be manually adjusted. The operation is not only complicated, but also it is difficult to ensure the coordination of the riding posture of the infant. Meanwhile, most seat pockets with the adjustable backrest angle cannot independently adjust the angle of the seat surface, and cannot meet the riding requirements of the infant in different states (such as playing and resting), thereby bringing many inconveniences to users. SUMMARY

[0004] In view of the above problems of the existing baby stroller seat pocket, the present application is proposed.

[0005] Therefore, the present application aims to provide a baby stroller seat pocket.

[0006] To solve the above technical problems, the present application provides the following technical scheme: comprising,

[0007] a backrest assembly, a seat rod assembly arranged at the bottom of the backrest assembly, two joint assemblies symmetrically arranged on the seat rod assembly, a connecting rod arranged at one end of the joint assembly, a connecting plate arranged at the other end of the joint assembly, a linkage member arranged at the end of the connecting plate, and a footrest assembly arranged at one side of the joint assembly.

[0008] As a preferred scheme of the baby stroller seat pocket, the backrest assembly comprises a backrest plate seat arranged at the top of the seat rod assembly, two mounting holes symmetrically arranged on both sides of the backrest plate seat, a backrest plate cover arranged at one side of the backrest plate seat, and a canopy rod assembly arranged on the backrest plate cover.

[0009] As a preferred scheme of the baby stroller seat pocket, the backrest assembly further comprises a wrench arranged on the backrest plate seat and two traction ropes symmetrically arranged on the wrench.

[0010] As a preferred scheme of the baby stroller seat pocket, the joint assembly comprises a joint arranged at one end of the connecting rod, a pushing piece arranged at one side of the joint, and a plug arranged at the other side of the joint.

[0011] The two ends of the connecting rod are respectively hinged to the mounting hole and the linkage.

[0012] As a preferred scheme of the baby stroller seat pocket, the joint bottom is provided with a plurality of locking grooves in a straight array, the joint is provided with a first limiting groove at one side, the pushing piece is provided with a long sliding groove, and the plug is provided with a limiting column at the side opposite to the locking groove.

[0013] As a preferred scheme of the baby stroller seat pocket, the joint assembly further comprises a top tooth arranged at one side of the plug, a pull pin arranged at one side of the top tooth, a first adjusting tooth arranged at one side of the pull pin, a first spring arranged at one side of the first adjusting tooth, and a handrail assembly arranged on the two joints.

[0014] The top tooth is provided with a column, the surface of the pull pin is provided with a pull pin groove, and the first adjusting tooth is provided with a second limiting groove.

[0015] As a preferred scheme of the baby stroller seat pocket, the seat rod assembly comprises two lock pin seats symmetrically arranged at the inner sides of the bottom of the backrest plate seat, a lock pin arranged on the inner wall of the lock pin seat, a side seat rod slidingly sleeved on the outer surface of the lock pin seat, a seat rod bell arranged at the end of the side seat rod, and a bell hole arranged at one side of the seat rod bell.

[0016] The two ends of the traction cable are respectively fixedly connected to the lock pin and the wrench.

[0017] As a preferred scheme of the baby stroller seat pocket, the seat rod assembly further comprises a rear seat rod arranged between the two lock pin seats, a front seat rod arranged between the two seat rod bells, and a reset spring arranged at one side of the lock pin.

[0018] As a preferred scheme of the baby stroller seat pocket, the footstep assembly comprises a footstep bell arranged at one side of the seat rod bell, a second adjusting tooth arranged at the inner side of the footstep bell, a second spring arranged between the second adjusting tooth and the seat rod bell, a footstep pipe arranged at the outer side of the footstep bell, and a button arranged at the end surface of the footstep bell.

[0019] As a preferred scheme of the baby stroller seat pocket, a linkage hole is formed on the linkage, a pin is arranged on the long sliding groove and penetrates the inner surface of the long sliding groove, a waist-shaped slot is formed on one end of the connecting piece, a positioning hole is formed on the middle section of the connecting piece, the one end of the connecting piece is hinged with the pin, and the other end is hinged with the linkage hole through the waist-shaped slot.

[0020] The application has the following beneficial effects: through the cooperation of the backrest assembly, the connecting rod, the connecting piece and the linkage, the footrest assembly can automatically follow the adjustment when the angle of the backrest assembly is adjusted, and the locking and multi-position adjustment of the backrest angle are realized through the cooperation of the wrench, the traction rope and the locking pin, the footrest assembly can be adjusted independently from the backrest assembly through the cooperation of the button and the second adjusting tooth, the cooperative movement of the backrest and the footrest is ensured, and individual adjustment can be made according to the individual conditions of the infants, the use convenience and comfort of the baby stroller are significantly improved, and the burden of the parents in adjusting the angle is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort. Among them:

[0022] Figure 1 It is an overall structure schematic diagram of the application.

[0023] Figure 2 It is an overall structure explosion schematic diagram of the application.

[0024] Figure 3 It is an explosion schematic diagram of the backrest assembly of the application.

[0025] Figure 4 It is a local explosion schematic diagram of the joint assembly of the application.

[0026] Figure 5 It is a connection schematic diagram of the joint assembly of the application.

[0027] Figure 6 It is a structure schematic diagram of the joint and the plug of the application.

[0028] Figure 7 It is a local explosion schematic diagram of the overall structure of the application.

[0029] Figure 8 It is a cross-sectional schematic diagram of the overall structure of the application.

[0030] Figure 9 It is an explosion schematic diagram of the seat rod assembly of the application.

[0031] Figure 10 It is a schematic cross-sectional view of the local structure of the seat post assembly of the present invention.

[0032] Figure 11 It is a partially enlarged exploded schematic diagram of the footrest assembly of the present invention.

[0033] Figure 12 This is a flow chart of the linkage adjustment of the backrest assembly and the footrest assembly of the present invention.

[0034] Figure 13 This is a flowchart of the independent adjustment of the seat post assembly of the present invention.

[0035] In the figure: 1. Backrest assembly; 11. Backrest seat; 11-1. Mounting hole; 12. Backrest cover; 13. Canopy rod assembly; 14. Wrench; 15. Towing rope; 2. Joint assembly; 21. Joint; 21-1. Locking groove; 21-2. First limiting groove; 22. Pushing member; 22-1. Long slide; 23. Plug; 23-1. Limiting column; 24. Top tooth; 24-1. Column; 25. Pull pin; 25-1. Pull pin groove; 26. First adjusting tooth; 26-1. Second limiting groove; 2 7. First spring; 28. Armrest assembly; 3. Seat post assembly; 31. Lock pin seat; 32. Lock pin; 33. Side seat post; 34. Seat post bell; 34-1. Bell hole; 35. Rear seat post; 36. Front seat post; 37. Return spring; 4. Connecting rod; 5. Pedal assembly; 51. Button; 52. Pedal bell; 53. Second adjustment tooth; 54. Second spring; 55. Pedal tube; 6. Linkage member; 6-1. Linkage hole; 7. Connecting piece; 7-1. Waist-shaped groove; 7-2. Positioning hole; 8. Pin. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0037] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0038] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0039] Thirdly, the application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the application, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the protection scope of the application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0040] Embodiment 1

[0041] Referring to Figures 1-10 and Figure 12 For the first embodiment of the application, a baby stroller seat pocket is provided, the device comprises,

[0042] The backrest assembly 1, the seat rod assembly 3 arranged at the bottom of the backrest assembly 1, the two joint assemblies 2 symmetrically arranged on the seat rod assembly 3, the connecting rod 4 arranged at one end of the joint assembly 2, the connecting piece 7 arranged at the other end of the joint assembly 2, and the linkage 6 arranged at the end of the connecting piece 7.

[0043] Specifically, the backrest assembly 1 comprises the backrest plate seat 11 arranged at the top of the seat rod assembly 3, the two mounting holes 11-1 symmetrically arranged on the two sides of the backrest plate seat 11, the backrest plate cover 12 mounted on one side of the backrest plate seat 11, and the canopy rod assembly 13 arranged on the backrest plate cover 12.

[0044] It should be noted that the joint assembly 2 is slidably mounted on the seat rod assembly 3 and is used to adjust the inclination angle of the seat alone, the seat rod assembly 3 is used to unlock and lock the adjustment function of the device, and the canopy rod assembly 13 is detachably mounted on the backrest plate cover 12, which is convenient for the expansion of the sunshade.

[0045] Further, the backrest assembly 1 further comprises the wrench 14 arranged on the backrest plate seat 11, and the two traction ropes 15 symmetrically arranged on the wrench 14.

[0046] Further, the joint assembly 2 comprises the joint 21 arranged at one end of the connecting rod 4, the pusher 22 arranged on one side of the joint 21, and the plug 23 arranged on the other side of the joint 21.

[0047] The two ends of the connecting rod 4 are respectively hinged to the mounting hole 11-1 and the linkage 6.

[0048] It should be noted that the connecting rod 4 is used to transmit the action of the backrest assembly 1 to the joint assembly 2.

[0049] Further, a plurality of locking grooves 21-1 are linearly arranged at the bottom of the joint 21, a first limiting groove 21-2 is arranged on one side of the joint 21, a long sliding groove 22-1 is arranged on the pusher 22, and a limiting column 23-1 is arranged on the plug 23 opposite to the locking groove 21-1.

[0050] It should be noted that the plug 23 is inserted and matched with the first limiting groove 21-2 through the limiting column 23-1, and is fixed with the joint 21.

[0051] The joint assembly 2 further comprises a top tooth 24 arranged on one side of the plug 23, a pull pin 25 arranged on one side of the top tooth 24, a first adjusting tooth 26 arranged on one side of the pull pin 25, a first spring 27 arranged on one side of the first adjusting tooth 26, and a handrail assembly 28 arranged on the two joints 21.

[0052] It should be noted that the first adjusting tooth 26 is provided with a groove and a small inclined surface for installing the top tooth 24, and is further provided with a mounting groove for installing the pull pin 25, and the top tooth 24 is provided with an inclined surface corresponding to the small inclined surface on the first adjusting tooth 26, and the top tooth 24 can slide on the plug 23 under the action of an external force, and the handrail assembly 28 is designed to be detachable.

[0053] The top tooth 24 is provided with a column 24-1, the surface of the pull pin 25 is provided with a pull pin groove 25-1, and the first adjusting tooth 26 is provided with a second limiting groove 26-1.

[0054] It should be noted that the column 24-1 is inserted and matched with the pull pin groove 25-1, and is pinned with the plug 23, and the second limiting groove 26-1 is sleeved on the limiting column 23-1 to limit the pusher 22 and the first adjusting tooth 26 relative to each other, and when the pull pin 25 is pulled outward, the top tooth 24 is driven to slide outward through the insertion and matching of the pull pin groove 25-1 and the column 24-1, and at this time the top tooth 24 pushes the first adjusting tooth 26 towards the joint 21 direction through its own inclined surface, and at this time the plug 23 loses the engagement with the first adjusting tooth 26, and the locking is released, and due to the action of the limiting column 23-1 on the plug 23 and the first limiting groove 21-2 on the joint 21, the angle of the seat can be adjusted individually.

[0055] The seat rod assembly 3 comprises two lock pin seats 31 symmetrically arranged on the inner side of the bottom of the back plate seat 11, a lock pin 32 arranged on the inner wall of the lock pin seat 31, a side seat rod 33 slidably sleeved on the outer surface of the lock pin seat 31, a seat rod bell 34 arranged on the end of the side seat rod 33, and a bell hole 34-1 arranged on one side of the seat rod bell 34.

[0056] The traction cable 15 is fixedly connected with the lock pin 32 and the wrench 14 at both ends.

[0057] It should be noted that the lock pin seat 31 is provided with a through groove for installing the lock pin 32, and the back plate seat 11 is provided with a clamping groove for installing the traction cable 15, and when the wrench 14 is rotated, the traction cable 15 is pulled, and the lock pin 32 connected at the other end of the traction cable 15 is pulled up, and at this time the lock pin 32 is received in the lock pin seat 31, and the lock pin seat 31 is unlocked and can slide along the side seat rod 33.

[0058] Preferably, the seat rod assembly 3 further comprises a rear seat rod 35 arranged between the two lock pin seats 31, a front seat rod 36 arranged between the two seat rod bells 34, and a reset spring 37 arranged on one side of the lock pin 32.

[0059] It should be noted that one end of the reset spring 37 abuts against the outer surface of the lock pin 32, and the other end abuts against the inner wall of the lock pin seat 31, for pushing the lock pin 32 out of the lock pin seat 31 to reset it after the wrench 14 is reset.

[0060] The linkage 6 is provided with a linkage hole 6-1, the long sliding groove 22-1 is provided with a pin 8 penetrating into the inner surface thereof, the connecting piece 7 is provided with a waist-shaped groove 7-1 at one end and a positioning hole 7-2 at the middle section, and the one end of the connecting piece 7 is hinged with the pin 8, and the other end is hinged with the linkage hole 6-1 through the waist-shaped groove 7-1.

[0061] It should be noted that the linkage 6 is arranged on the inner side of the seat rod bell 34, and is hinged with the seat rod bell 34 through the pin, the seat rod bell 34 is hinged with the connecting piece 7 through the positioning hole 7-2, and the pin 8 is in sliding contact with the inner surface of the long sliding groove 22-1.

[0062] In use, when the angle of the backrest needs to be adjusted, the user only needs to pull the wrench 14 on the backrest plate seat 11 to pull the lock pin 32 out of the locking groove 21-1 at the bottom of the joint 21, so that the joint assembly 2 is unlocked and can slide along the side seat rod 33, at this time, the angle of the backrest assembly 1 is adjusted, the joint assembly 2 is pushed to slide on the side seat rod 33 through the connecting rod 4, at this time, the pin 8 slides on the inner surface of the long sliding groove 22-1, so that the connecting piece 7 rotates around the positioning hole 7-2, and the linkage 6 hinged with the connecting piece 7 rotates through the waist-shaped groove 7-1, so that the footrest assembly 5 is automatically adjusted in angle synchronously.

[0063] When the angle of the seat surface needs to be adjusted alone, the user only needs to pull the pull pin 25 outward, and the top tooth 24 is driven to slide through the cooperation of the pull pin groove 25-1 and the column 24-1, the inclined surface of the top tooth 24 pushes the first adjusting tooth 26 to move in the direction of the joint 21 and compresses the first spring 27, so that the first adjusting tooth 26 is unlocked by disengaging from the engagement with the plug 23, at this time, under the cooperation of the limiting column 23-1 of the plug 23 and the first limiting groove 21-2 of the joint 21, the seat surface can be manually adjusted to the required angle, after the pull pin 25 is released, the first spring 27 pushes the first adjusting tooth 26 to reset and re-engage with the plug 23 to lock, and in cooperation with the angle adjustment of the backrest assembly 1, the straight sitting posture, the half-laying and the full-laying and other comfortable postures can be flexibly switched.

[0064] In summary, the backrest assembly 1 is connected with the wrench 14 and the traction cable 15 to achieve convenient unlocking and locking of the backrest angle, the seat rod assembly 3 is connected with the locking slot 21-1 to provide reliable gear locking function, the joint assembly 2 is connected with the latch 25 and the inclined surface of the top tooth 24 to achieve independent adjustment of the seat surface, the engagement state of the first adjustment tooth 26 and the plug 23 is controllable, the seat inclination angle is accurately adjusted through the guiding effect of the limiting column 23-1 and the first limiting slot 21-2, and meanwhile, the transmission structure composed of the connecting rod 4, the connecting plate 7 and the linkage 6 enables the footrest assembly 5 to be automatically adjusted according to the change of the backrest angle, thereby realizing linkage adjustment of the backrest and the footrest and providing multiple-gear adjustment from upright sitting to full lying for the infant.

[0065] Embodiment 2

[0066] With reference to Figure 11 and Figure 13 As a second embodiment of the present application, the embodiment is different from the first embodiment in that the embodiment provides a footrest assembly 5 of the stroller seat pocket on the basis of the first embodiment, thereby solving the problem that the stroller seat pocket cannot be independently adjusted with the footrest pipe 55.

[0067] Further, the device further comprises the footrest assembly 5 arranged on one side of the joint assembly 2.

[0068] It should be noted that the backrest assembly 1 can drive the footrest assembly 5 to be synchronously adjusted, and the footrest assembly 5 is used for manually adjusting the angle of the footrest assembly 5.

[0069] The footrest assembly 5 comprises the footrest bell 52 arranged on one side of the seat rod bell 34, the second adjustment tooth 53 arranged on the inner side of the footrest bell 52, the second spring 54 arranged between the second adjustment tooth 53 and the seat rod bell 34, the footrest pipe 55 arranged on the outer side of the footrest bell 52, and the button 51 arranged on the end face of the footrest bell 52.

[0070] It should be noted that the footrest bell 52 and the second adjustment tooth 53 are connected with the linkage 6 and the seat rod bell 34 through the pin on the linkage 6, the button 51 is arranged on the outer side of the footrest bell 52, the linkage 6 and the footrest bell 52 are provided with the limiting convex or concave matched with each other, the second adjustment tooth 53 is engaged with the limiting convex on the inner side of the footrest bell 52 in normal state, the second adjustment tooth 53 is pressed toward the seat rod bell 34 by pressing the button 51, the relative limiting between the seat rod bell 34 and the footrest bell 52 is released, the footrest assembly 5 is manually adjusted in angle, and after the adjustment is completed, the second adjustment tooth 53 is reset under the action of the second spring 54, and the relative position between the seat rod bell 34 and the footrest bell 52 is locked.

[0071] In use, if the footrest angle needs to be adjusted independently, the button 51 on the footrest assembly 5 can be pressed to disengage the footrest bell 52 from the second adjusting tooth 53, at this time the second spring 54 is compressed to store elastic potential energy, then the footrest pipe 55 is manually adjusted to the desired position and the button 51 is released, the second adjusting tooth 53 is reset under the elastic force of the second spring 54 and re-engaged with the footrest bell 52, realizing independent adjustment and locking of the footrest angle.

[0072] In summary, the footrest assembly 5 realizes independent adjustment of the footrest pipe 55 through the cooperation of the button 51 and the second adjusting tooth 53, and the second spring 54 provides reliable reset force to ensure stable locking of the footrest assembly 5 after adjustment, and the limiting (boss / groove) cooperation structure of the linkage 6 and the footrest bell 52 not only ensures automatic linkage of the footrest assembly 5 during backrest adjustment, but also allows independent adjustment of the footrest angle by pressing the button 51 to disengage the second adjusting tooth 53, which increases the flexibility of independent adjustment of the footrest while maintaining the linkage function of the backrest and footrest, allowing infants to obtain more comfortable leg support and meet the needs of different age groups and use scenarios.

[0073] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are merely illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the generality of the application. In the claims, any "means plus function" clause is intended to cover the structures described herein as performing the recited functionality, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0074] Furthermore, in an effort to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the present application currently contemplated).

[0075] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, and all these modifications and equivalents should be included in the scope of the claims of the present application.

Claims

1. A baby stroller seat, characterized by: include, A backrest assembly (1), a seat rod assembly (3) arranged at the bottom of the backrest assembly (1), two joint assemblies (2) symmetrically arranged on the seat rod assembly (3), a connecting rod (4) arranged at one end of the joint assembly (2), a connecting piece (7) arranged at the other end of the joint assembly (2), a linkage member (6) arranged at the end of the connecting piece (7), and a footrest assembly (5) arranged at one side of the joint assembly (2).

2. The baby stroller seat according to claim 1, characterized in that: The backrest assembly (1) comprises a backrest seat (11) arranged on the top of the seat rod assembly (3), two mounting holes (11-1) symmetrically arranged on both sides of the backrest seat (11), a backrest cover (12) installed on one side of the backrest seat (11), and a canopy rod assembly (13) arranged on the backrest cover (12).

3. The baby stroller seat according to claim 2, characterized in that: The backrest assembly (1) further comprises a wrench (14) arranged on the backrest seat (11), and two traction ropes (15) symmetrically arranged on the wrench (14).

4. The baby stroller seat according to claim 3, characterized in that: The joint assembly (2) comprises a joint (21) provided at one end of the connecting rod (4), a pusher (22) provided at one side of the joint (21), and a plug (23) provided at the other side of the joint (21); Both ends of the connecting rod (4) are hinged to the mounting hole (11-1) and the linkage member (6) respectively.

5. The baby stroller seat according to claim 4, characterized in that: The bottom of the joint (21) is provided with a plurality of locking grooves (21-1) in a linear array, one side of the joint (21) is provided with a first limiting groove (21-2), the pushing member (22) is provided with a long sliding groove (22-1), and the plug (23) is provided with a limiting column (23-1) on a side opposite to the locking groove (21-1).

6. The baby stroller seat according to claim 5, characterized in that: The joint assembly (2) further comprises a top tooth (24) provided on one side of the plug (23), a pull pin (25) provided on one side of the top tooth (24), a first adjustment tooth (26) provided on one side of the pull pin (25), a first spring (27) provided on one side of the first adjustment tooth (26), and an armrest assembly (28) provided on the two joints (21); The top tooth (24) is provided with a column (24-1), the surface of the pull pin (25) is provided with a pull pin groove (25-1), and the first adjusting tooth (26) is provided with a second limiting groove (26-1).

7. The baby stroller seat according to claim 6, characterized in that: The seat rod assembly (3) comprises two locking pin seats (31) symmetrically arranged on the inner side of the bottom of the backrest seat (11), a locking pin (32) arranged on the inner wall of the locking pin seat (31), a side seat rod (33) slidably sleeved on the outer surface of the locking pin seat (31), a seat rod electric bell (34) arranged at the end of the side seat rod (33), and an electric bell hole (34-1) opened on one side of the seat rod electric bell (34); The two ends of the traction rope (15) are fixedly connected to the locking pin (32) and the wrench (14) respectively.

8. The baby stroller seat according to claim 7, characterized in that: The seat rod assembly (3) further comprises a rear seat rod (35) arranged between the two locking pin seats (31), a front seat rod (36) arranged between the two seat rod electric bells (34), and a return spring (37) arranged on one side of the locking pin (32).

9. The baby stroller seat according to claim 8, characterized in that: The pedal assembly (5) includes a pedal bell (52) arranged on one side of the seat post bell (34), a second adjusting tooth (53) arranged on the inner side of the pedal bell (52), a second spring (54) arranged between the second adjusting tooth (53) and the seat post bell (34), a pedal tube (55) arranged on the outer side of the pedal bell (52), and a button (51) arranged on the end surface of the pedal bell (52).

10. The baby stroller seat according to claim 9, characterized in that: The linkage member (6) is provided with a linkage hole (6-1), the long slide groove (22-1) is provided with a pin (8) penetrating to its inner surface, one end of the connecting piece (7) is provided with a waist-shaped groove (7-1), and the middle section is provided with a positioning hole (7-2), one end of the connecting piece (7) is hinged to the pin (8), and the other end is hinged to the linkage hole (6-1) through the waist-shaped groove (7-1).

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