Baby carriage with liftable ceiling

By combining guide rails, lifting blocks, traction ropes, and locking pins, the practicality and ease of operation of the stroller canopy lifting structure are solved, enabling quick and stable one-handed adjustment and control of the canopy height.

CN223803637UActive Publication Date: 2026-01-16姜清校
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Patent Information

Application Number
CN202520627416.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-16
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing stroller canopy lifting structures are impractical and inconvenient to operate, especially the electric solutions which are energy-dependent and structurally complex, and the traditional mechanical solutions which lack the freedom of one-handed operation.

Method used

The lifting mechanism, consisting of guide rails and lifting blocks, combined with a traction mechanism using traction ropes and locking pins, allows for quick one-handed adjustment of the ceiling height through the cooperation of adjusting columns and limit seats. The elastic reset component ensures convenient and stable operation.

Benefits of technology

It enables convenient adjustment of the ceiling height, improves operational efficiency and practicality, reduces structural complexity and energy dependence, and ensures quick one-handed control.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, a seat body is provided with a lifting mechanism, meanwhile, the lifting mechanism is connected to an adjusting column through a traction mechanism, the adjusting column and the ceiling are installed in a matched mode, when the ceiling ascends and descends, a lifting block is pressed, the lifting block slides along a guide rail and then pulls a traction rope, and therefore the ceiling can ascend and descend. In the process of adjusting the height of the ceiling, the height of the ceiling can be changed by pressing the lifting block to unlock the adjusting column and moving the position of the adjusting column, so that the height of the ceiling can be changed, and the height of the ceiling can be changed. The device has the advantages of being high in practicability and easy and convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to baby products technical field, especially a baby carriage with liftable roof. BACKGROUND

[0002] The baby carriage roof is the core function component of the outdoor protection of the baby, and the design of the opening and closing adjusting mechanism directly affects the operation efficiency of the parents and the safety of the children riding the carriage. In recent years, with the upgrading of the portable care demand of the users, the market puts forward higher requirements for the roof control scheme of single-hand quick operation and tool-free adjustment. The current mainstream technical scheme still has significant technical bottlenecks when achieving the above-mentioned target.

[0003] In the prior art, the electric scheme of the liftable roof has the interactive form of single-hand instruction input, but the energy dependence and the structural complexity seriously restrict the practicability; the traditional mechanical scheme avoids the power supply problem, but at the cost of sacrificing the single-hand operation freedom, that is, the roof lifting structure of the baby carriage in the prior art has the technical defects of poor practicability and inconvenient operation. SUMMARY

[0004] The main purpose of the utility model is to provide a baby carriage with liftable roof, which aims to solve the technical problems of poor practicability and inconvenient operation of the roof lifting structure in the baby carriage of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a baby carriage with liftable roof, which comprises:

[0006] A seat body;

[0007] A roof;

[0008] A lifting mechanism, the lifting mechanism comprises a guide rail and a lifting block, the guide rail is fixedly connected to the seat body, and the lifting block is movably arranged on the guide rail;

[0009] A traction mechanism, the traction mechanism comprises a traction rope and a locking pin, one end of the traction rope is fixedly arranged on the lifting block, and the other end is fixedly arranged on the locking pin;

[0010] An adjusting column, the roof is installed on the adjusting column, at least two recessed parts for abutting the locking pin are vertically arranged on the surface of the adjusting column, and the adjusting column can move in the vertical direction relative to the seat body, and when the locking pin extends into the recessed part, the movement of the adjusting column in the vertical direction is locked.

[0011] Further, it further comprises a limiting seat for limiting the lifting mechanism, the traction mechanism and the adjusting column, wherein,

[0012] The limiting seat and the guide rail are butted and installed, and a open accommodating cavity is defined between the limiting seat and the guide rail, the lifting block at least partially extends into the opening and is slidably arranged in the accommodating cavity with the guide rail.

[0013] The limiting seat is provided with a first connecting track, the traction rope is entirely inserted into the first connecting track, and

[0014] The limiting seat is further provided with a second connecting track, the locking pin is movably arranged in the second connecting track, and the locking pin is limited to slide within the range of the second connecting track;

[0015] The limiting seat is provided with a through groove, the adjusting column is inserted into the through groove and moves in the vertical direction along the extension direction of the through groove, the through groove is provided in communication with the second connecting track, the locking pin can enter the through groove from the second connecting track by sliding, and abuts against the recess when inserted into the through groove.

[0016] Further, the opening is arranged above or below the accommodation chamber,

[0017] When the opening is arranged above, the lifting block is pressed downward to slide along the guide rail, and the connection between the locking pin and the recess is released;

[0018] When the opening is arranged below, the lifting block is pressed upward to slide along the guide rail, and the connection between the locking pin and the recess is released.

[0019] Further, the accommodation chamber is provided with a first reset component for resetting the lifting block, the lifting block is provided with a cross-shaped reset boss at one end away from the opening, and the first reset component is installed on the cross-shaped reset boss.

[0020] Further, the end of the traction rope is provided with a fixed part, and the lifting block is provided with a first limiting part for limiting the first end of the traction rope in the direction of the first connecting track, and the first fixed part is inserted into the first limiting part.

[0021] Further, the lifting block is further provided with a second limiting part integrally formed with the first limiting part,

[0022] The second limiting part is used to pass at least part of the rope body of the first end of the traction rope, and

[0023] The second limiting part is arranged obliquely to the first limiting part.

[0024] Further, the locking pin is provided with a third limiting part for limiting the second end of the traction rope in the direction of the second connecting track, and the second fixed part is installed in the third limiting part.

[0025] Further, the locking pin is further provided with a fourth limiting part integrally formed with the third limiting part,

[0026] The fourth limiting part is used to pass at least part of the rope body of the second end of the traction rope, and

[0027] The fourth limiting part is arranged parallel to the third limiting part.

[0028] Further, the second connecting rail is provided with a second reset component for resetting the locking pin,

[0029] When the locking pin is pulled by the lifting block through the traction rope and is separated from the recess, the elastic potential energy stored by the second reset component after being pressed by the locking pin can push the locking pin back to the recess for locking.

[0030] Further, the surface of the adjusting column is provided with protruding connecting strips, the connecting strip portions at the lower end of the adjusting column extend into the through slot, and the recess is formed by the spacing of the gaps between the connecting strips, wherein the end portions of the connecting strips forming the recess are provided with arc surfaces.

[0031] The technical scheme of the utility model discloses a lifting mechanism arranged on the seat body, and the lifting mechanism is connected to the adjusting column through a traction mechanism, and the adjusting column is installed in cooperation with the ceiling, when the ceiling is lifted, the lifting block is pressed, the lifting block is pulled along the guide rail after sliding, thereby making the traction rope drive the locking pin to separate from the adjusting column, and the adjusting column moves in the vertical direction after being unlocked, thereby changing the height of the ceiling, in the utility model, the height of the ceiling is adjusted, the lifting block is pressed to unlock the adjusting column, and the position of the adjusting column is moved, so that the height of the ceiling can be changed, and the utility model has the beneficial effects of high practicability and simple operation. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0033] Figure 2 It is a plane structure schematic view of the utility model;

[0034] Figure 3 It is an exploded view of the utility model;

[0035] Figure 4 It is an exploded view of the lifting mechanism, the traction mechanism and the adjusting column Figure 1 ;

[0036] Figure 5 It is an exploded view of the lifting mechanism, the traction mechanism and the adjusting column Figure 2 ;

[0037] Figure 6 It is a bottom view of the guide rail and the limiting seat;

[0038] Figure 7 It is a three-dimensional structure schematic view of the lifting block;

[0039] Figure 8 It is a three-dimensional structure schematic view of the locking pin;

[0040] Figure 9 It is a three-dimensional structure schematic view of the adjusting column.

[0041] Wherein, the above-mentioned drawings include the following reference signs:

[0042] 1, seat body; 11, backrest;

[0043] 2, ceiling;

[0044] 3, lifting mechanism; 31, guide rail; 32, lifting block; 321, first limiting part; 322, second limiting part; 33, cross-shaped reset boss;

[0045] 4, traction mechanism; 41, traction rope; 411, first fixed part; 412, second fixed part; 42, locking pin; 421, third limiting part; 422, fourth limiting part;

[0046] 5, adjusting column; 51, recessed part; 52, connecting strip; 53, camber;

[0047] 6, limiting seat; 61, first connecting track; 62, second connecting track; 63, through slot;

[0048] 7, opening;

[0049] 8, accommodating cavity. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0051] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, …), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications will also change accordingly.

[0052] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0053] This utility model proposes a stroller with a retractable canopy.

[0054] In this embodiment of the utility model, such as Figures 1 to 8 As shown, the stroller with a height-adjustable canopy includes a seat body 1 and a canopy 2 disposed above the seat body 1. The backrest 11 of the seat body 1 is provided with a lifting mechanism 3. The lifting mechanism 3 includes a guide rail 31 and a lifting block 32. The guide rail 31 is fixedly connected to the seat body 1, and the lifting block 32 is movably disposed on the guide rail 31. At the same time, the lifting block 32 is equipped with a traction mechanism 4. The traction mechanism 4 includes a traction rope 41 and a locking pin 42. One end of the traction rope 41 is fixedly disposed on the lifting block 32, and the other end is fixedly disposed on the locking pin 42. In addition, it also includes an adjustment column 5. The height of the canopy 2 is controlled by the adjustment column 5. The canopy 2 is mounted on the adjustment column 5. The surface of the adjustment column 5 has at least two recesses 51 arranged vertically to abut the locking pin 42, and the adjustment column 5 can move vertically relative to the seat body 1. When the locking pin 42 extends into the recesses 51, the vertical movement of the adjustment column 5 is locked.

[0055] In some embodiments of this utility model, to ensure the orderly lifting and lowering of the canopy 2, the stroller with a liftable canopy further includes a limiting seat 6 for limiting the lifting mechanism 3, the traction mechanism 4, and the adjusting column 5. The limiting seat 6 and the guide rail 31 are connected and installed together, and an accommodating chamber 8 with an opening 7 is defined between the limiting seat 6 and the guide rail 31. The lifting block 32 extends at least partially into the opening 7 and slides within the accommodating chamber 8 with the guide rail 31. The limiting seat 6 is provided with a first connecting rail 61, into which the traction rope 41 extends as a whole. The first connecting rail is provided, and the limiting seat 6 is also provided with a second connecting rail 62. The locking pin 42 is movably disposed in the second connecting rail 62 and the locking pin 42 is limited to sliding within the range of the second connecting rail 62. The limiting seat 6 is provided with a through groove 63. The adjusting column 5 extends into the through groove 63 and moves vertically along the extension direction of the through groove 63. The through groove 63 is connected to the second connecting rail 62. The locking pin 42 can slide from the second connecting rail 62 into the through groove 63 and abut against the recess 51 when it extends into the through groove 63.

[0056] Specifically, the opening 7 is defined in the upper or lower position of the accommodating chamber 8, when the opening 7 is defined in the upper position, the lifting block 32 is pressed downward along the guide rail 31, and the connection between the locking pin 42 and the recess 51 is released; when the opening 7 is defined in the lower position, the lifting block 32 is pressed upward along the guide rail 31, and the connection between the locking pin 42 and the recess 51 is released, it can be understood that the two opening 7 setting forms actually only reverse the setting direction of the lifting block 32, so only the structure when the opening 7 is defined in the lower position is shown in the drawings, as shown, in use, the lifting block 32 is lifted upward by pressing, and the adjustment column 5 is unlocked by pulling the traction rope 41 to unlock the locking pin 42 to affect the height of the ceiling 2. Figures 3 to 5

[0057] Specifically, in order to be able to rebound the lifting block 32 after being pressed, the first reset component (not shown) for resetting the lifting block 32 is arranged in the accommodating chamber 8, the lifting block 32 is provided with a cross-shaped reset boss 33 at one end away from the opening 7, and the first reset component is installed on the cross-shaped reset boss 33, as shown, Figure 4 Figure 5 As shown, the cross-shaped reset boss 33 is arranged in the recess 51 of the lifting block 32.

[0058] More specifically, in some preferred embodiments of the utility model, the first reset component is a spring, the spring is wound on the cross-shaped reset boss 33, when the lifting block 32 is pressed and slides on the guide rail 31, the spring is internally extruded towards the accommodating chamber 8, and rebounds the lifting block 32 after the pressing is completed, in some other embodiments of the utility model, the first reset component can also be a component with a rebounding effect such as sponge, rubber, elastic fiber, etc., which is part of the prior art and will not be described in detail.

[0059] In some embodiments of the utility model, in order to enable the end of the traction rope 41 to be stably connected, the end of the traction rope 41 is provided with a fixing part, for the convenience of description, the connection end of the traction rope 41 and the lifting block 32 is the first end, and the connection end of the traction rope 41 and the locking pin 42 is the second end, in order to form a stable connection between the lifting block 32 and the traction rope 41, the lifting block 32 is provided with a first limiting part 321 for limiting the first fixing part 411 of the first end of the traction rope 41 in the direction of the first connecting track 61, and the first fixing part 411 is installed by extending into the first limiting part 321.

[0060] Specifically, in order to be able to accommodate part of the structure of the first end of the traction rope 41, so as to further enhance the connection stability between the lifting block 32 and the traction rope 41, the lifting block 32 is also provided with a second limiting part 322 integrally formed with the first limiting part 321, the second limiting part 322 is used to pass through at least part of the rope body of the first end of the traction rope 41, and at the same time, the second limiting part 322 is arranged obliquely to the first limiting part 321, as shown.​​Figure 7 As shown, the second limiting part 322 is an inclined tube structure, which is conducive to protecting the first end of the traction rope 41, reducing the degree of wear during use of the traction rope 41, and prolonging the service life.

[0061] Specifically, in order to form a stable connection between the locking pin 42 and the traction rope 41, the locking pin 42 is provided with a third limiting part 421 for limiting the second fixing part 412 of the second end of the traction rope 41 in the direction of the second connecting track 62, and the second fixing part 412 is installed on the third limiting part 421.

[0062] More specifically, in order to further improve the connection stability between the locking pin 42 and the traction rope 41, the locking pin 42 is further provided with a fourth limiting part 422 integrally formed with the third limiting part 421, the fourth limiting part 422 is used to pass through at least part of the rope body of the second end of the traction rope 41, and at the same time, the fourth limiting part 422 is arranged parallel to the third limiting part 421, as shown. Figure 8 As shown, the fourth limiting part 422 is a straight channel parallel to the third limiting part 421, which is conducive to protecting the second end of the traction rope 41, reducing the degree of wear during use of the traction rope 41, and prolonging the service life.

[0063] In the embodiment of the utility model, after the lifting block 32 is pressed to make the locking pin 42 separate from the recessed part 51, in order to make the locking pin 42 rebound to the recessed part 51, the second connecting track 62 is provided with a second reset part (not shown) for resetting the locking pin 42, when the locking pin 42 is pulled by the lifting block 32 through the traction rope 41 and separates from the recessed part 51, the elastic potential energy stored after the second reset part is extruded by the locking pin 42 can push the locking pin 42 back to the recessed part 51 for locking, that is, the second reset part can automatically and conveniently switch the locking pin 42 to different recessed parts 51.

[0064] Specifically, in some preferred embodiments of the utility model, the second reset part is a spring, which is installed in the second connecting track 62 and abuts against the locking pin 42, when the locking pin 42 is pulled away from the recessed part 51 by the traction rope 41, the spring is compressed towards the direction in which the traction rope 41 is pulled, and after the traction force of the traction rope 41 disappears, the spring rebounds to make the locking pin 42 return to the recessed part 51 of the adjusting column 5, in some other embodiments of the utility model, the second reset part can also be a sponge, rubber, elastic fiber or other parts with a rebounding effect, which is part of the prior art and will not be described in detail.

[0065] In some embodiments of the utility model, the surface of the adjusting column 5 is provided with protruding connecting strips 52, the connecting strip 52 at the lower end of the adjusting column 5 extends into the through slot 63, and the recessed part 51 is formed by the spacing of the gaps between the connecting strips 52, wherein, preferably, in order to prevent wear between the locking pin 42 and the recessed part 51, the end of the connecting strip 52 forming the recessed part 51 is provided with a curved surface 53, and the adjusting column 5 in this case is as shown in Figure 9 It can be understood that the locking pin 42 may collide with the inside of the recessed part 51 when it extends into the recessed part 51, and the recessed part 51 is provided with a curved surface 53, that is, the collision between the locking pin 42 and the recessed part 51 is protected, and the service life is prolonged, and the adjusting column 5 of the alternative embodiment is as shown in Figures 4 to 5 This embodiment has the advantage of simple process.

[0066] In some embodiments of the utility model, the recessed part 51 of the adjusting column 5 can be provided with multiple recessed parts 51 according to actual needs, and the number is indefinite, and the recessed part 51 can be formed by providing a plurality of connecting strips 52, preferably, three recessed parts 51 are usually provided to meet the height adjustment needs in daily use, and in some other embodiments of the utility model, the recessed part 51 can also be provided in a sawtooth shape, for example, by providing a recessed sharp structure through the connecting strip 52, which can achieve the effect of stepless adjustment, but the stability is not as good as the recessed groove structure, and generally, the step adjustment effect of the multiple recessed groove structures can meet the daily use requirements, so the alternative embodiment is introduced.

[0067] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the utility model, or the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A stroller with a liftable canopy, comprising: a seat body; a canopy; characterized in that further comprising: a lifting mechanism, the lifting mechanism comprising a guide rail and a lifting block, the guide rail being fixedly connected to the seat body, the lifting block being movably arranged on the guide rail; a traction mechanism, the traction mechanism comprising a traction rope and a locking pin, one end of the traction rope being fixedly arranged on the lifting block, the other end of the traction rope being fixedly arranged on the locking pin; an adjusting column, the canopy being mounted on the adjusting column, the adjusting column being vertically provided with at least two recesses for abutting the locking pin, and the adjusting column being vertically movable relative to the seat body, when the locking pin extends into the recess, the vertical movement of the adjusting column is locked.

2. The stroller of claim 1, wherein: further comprising a limiting seat for limiting the lifting mechanism, the traction mechanism and the adjusting column, wherein, the limiting seat and the guide rail are abuttedly mounted, and the limiting seat and the guide rail define an open accommodating chamber, the lifting block at least partially extends into the opening and is slidably arranged in the accommodating chamber with the guide rail; the limiting seat is provided with a first connecting track, the traction rope entirely extends into the first connecting track, and the limiting seat is further provided with a second connecting track, the locking pin is movably arranged in the second connecting track and slides within the range of the second connecting track; the limiting seat is provided with a through slot, the adjusting column extends into the through slot and moves in the vertical direction along the extension direction of the through slot, the through slot is throughly arranged with the second connecting track, the locking pin can slide from the second connecting track into the through slot, and abut against the recess when extending into the through slot.

3. The stroller of claim 2, wherein: the opening is defined to be arranged above or below the accommodating chamber, when the opening is defined to be arranged above, the lifting block slides along the guide rail by being pressed downward, and the connection between the locking pin and the recess is released; when the opening is defined to be arranged below, the lifting block slides along the guide rail by being pressed upward, and the connection between the locking pin and the recess is released.

4. The stroller of claim 3, wherein: a first reset component for resetting the lifting block is arranged in the accommodating chamber, the lifting block is provided with a cross-shaped reset boss at one end away from the opening, and the first reset component is mounted on the cross-shaped reset boss.

5. The stroller of claim 2, wherein: an end of the traction rope is provided with a fixed part, and the lifting block is provided with a first limiting part for limiting the first fixed part of the first end of the traction rope in the direction of the first connecting track, and the first fixed part extends into the first limiting part for mounting.

6. The stroller of claim 5, wherein: the lifting block is further provided with a second limiting part integrally formed with the first limiting part, the second limiting part is used for passing at least part of the rope body of the first end of the traction rope, and the second limiting part is arranged obliquely to the first limiting part.

7. The stroller of claim 5, wherein: the locking pin is provided with a third limiting part for limiting a second fixed part of a second end of the traction rope in the direction of the second connecting track, and the second fixed part is mounted on the third limiting part.

8. The stroller of claim 7, wherein: the locking pin is further provided with a fourth limiting part integrally formed with the third limiting part, the fourth limiting part is used for passing at least part of the rope body of the second end of the traction rope, and the fourth limiting part is arranged parallel to the third limiting part.

9. The stroller of claim 2, wherein: a second reset component for resetting the locking pin is arranged in the second connecting track, when the locking pin is pulled by the lifting block through the traction rope and is separated from the recess, the elastic potential energy stored by the second reset component after being extruded by the locking pin can push the locking pin back to the recess for locking.

10. A pram according to any one of claims 1 to 9, wherein: The surface of the adjusting column is provided with protruding connecting strips, the connecting strip parts at the lower end of the adjusting column extend into the through slot, and the recesses are formed by the intervals between the connecting strips. The end parts of the connecting strips forming the recesses are provided with arc surfaces.