Seat angle adjusting structure of baby carriage

Abstract

The utility model discloses a baby carriage seat angle adjusting structure, which comprises a seat frame, a pedal frame and a rotating structure, the rotating structure comprises a seat rotating seat and a pedal rotating seat, the seat frame is fixedly connected with the seat rotating seat, the pedal frame is fixedly connected with the pedal rotating seat, and the pedal rotating seat is fixedly connected with the seat rotating seat. A rotating linkage seat is clamped in one side of the seat rotating seat in a sleeved mode, the pedal rotating seat is clamped outside the rotating linkage seat in a sleeved mode, a locking seat is clamped on the side, away from the seat rotating seat, of the rotating linkage seat, a movable pressing piece is inserted into the upper end of the locking seat, and a movable sliding piece is inserted into the side face of the locking seat; the sliding piece penetrates through the locking base to be inserted into the pressing piece and can be driven by the pressing piece. According to the utility model, the sliding piece is driven by the pressing piece, so that the locking seat relieves the limitation of the rotating linkage seat, the seat rotating seat can drive the seat frame to adjust the angle, the pedal rotating seat can drive the pedal frame to adjust the angle, and the angle adjustment is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of baby carriages, in particular to a seat angle adjustment structure of a baby carriage. Background Art

[0002] Existing baby carriages have gradually become popular consumer goods for children aged 0 - 3. Most families will equip a baby stroller for this age group, which is convenient for families to take children out or use at home.

[0003] There is a utility model patent with the Chinese patent application number CN200620064248.5 and the patent name "A folding frame of a baby carriage". This patent includes a support frame with a wheel set, which has a receiving seat, and a front foot tube and a rear foot tube are pivotally connected below the receiving seat. A front folding rod and a rear folding rod are also pivotally connected between the front foot tube and the rear foot tube, and the front folding rod and the rear folding rod are pivotally connected to each other; a latching mechanism is arranged between the front folding rod and the rear folding rod and can control the pivoting and fixing of the front folding rod and the rear folding rod; an upper support frame is arranged on the receiving seat and is connected to and supports a seat frame; a handle tube for pushing the baby carriage is connected to both sides of the upper support frame; and a release mechanism for controlling the latching mechanism is arranged on the handle tube. The seat of this patent is mainly composed of a support rod and a cloth cover, and the angle of the backrest part is not adjustable, so the practicability is poor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a seat angle adjustment structure of a baby carriage, aiming to solve the above technical problems.

[0005] A seat angle adjustment structure of a baby carriage includes a seat frame, a footrest frame and a rotating structure. The rotating structure includes a seat rotating seat and a footrest rotating seat. The seat frame is fixedly connected to the seat rotating seat, and the footrest frame is fixedly connected to the footrest rotating seat. A rotating linkage seat is sleeved inside one side of the seat rotating seat, and the footrest rotating seat is sleeved outside the rotating linkage seat. A locking seat is installed on the side of the rotating linkage seat away from the seat rotating seat. The locking seat is movably clamped with the seat rotating seat, so that the footrest rotating seat is located between the seat rotating seat and the locking seat. A movable pressing member is inserted into the upper end of the locking seat, and a movable sliding member is inserted into the outer side of the locking seat. The sliding member passes through the locking seat and is inserted on the pressing member and can be driven by the pressing member.

[0006] On the outer side of the seat rotating base, there is a protruding seat installation tube. In the middle of the inner part of the seat rotating base, there is a protruding first seat clamping protrusion. On the inner side wall of the seat rotating base, there are several uniformly arranged second seat clamping protrusions. In the middle of the inner part of the first seat clamping protrusion, there is a locking seat jack. Between the first seat clamping protrusion and the inner side wall of the seat rotating base, there are also seat installation positioning posts.

[0007] On the outer side of the footrest rotating base, there is a footrest installation position. The middle part of the footrest rotating base is annular, and on its inner side, there is a footrest clamping position, and there are several footrest clamping protrusions on the footrest clamping position.

[0008] On the inner side wall of the rotating linkage base, there is a first linkage seat clamping groove, which is correspondingly arranged with the first seat clamping protrusion. On the side of the rotating linkage base that fits and installs with the seat rotating base, there is a linkage seat positioning groove, which is correspondingly arranged with the seat installation positioning post. On the outer side surface of the rotating linkage base, there is a second linkage seat clamping groove, which is correspondingly arranged with the second seat clamping protrusion.

[0009] The shape of the first linkage seat clamping groove is adapted to the shape of the first seat clamping protrusion. The shape of the linkage seat positioning groove is adapted to the shape of the seat installation positioning post. The shape of the second linkage seat clamping groove is adapted to the shape of the second seat clamping protrusion.

[0010] On the outer side surface of the rotating linkage base, there is also a third linkage seat clamping groove, which is arranged at an interval from the second linkage seat clamping groove and is correspondingly arranged with the footrest clamping protrusion. The shape of the third linkage seat clamping groove is adapted to the shape of the footrest clamping protrusion.

[0011] On the side of the locking seat that fits and installs with the rotating linkage base, there is a protruding locking seat clamping protrusion, which is correspondingly arranged with the first linkage seat clamping groove. The shape of the locking seat clamping protrusion is adapted to the shape of the first linkage seat clamping groove. In the middle of the locking seat clamping protrusion, there is a protruding locking seat insertion post. The locking seat insertion post is inserted into the locking seat jack. At the upper end of the locking seat, there is a pressing part installation groove with an upper opening. On the side of the locking seat away from the rotating linkage base, there is a locking seat sliding groove.

[0012] Outside the locking seat insertion post, there is also a return spring sleeved. One end of the return spring is sleeved outside the locking seat insertion post, and the other end abuts against the inner bottom of the locking seat jack.

[0013] The pressing member is in a "U" shape, with a first step and a second step provided on both sides thereof. The second step is provided inside the first step. The protruding height of the first step is higher than that of the second step. Symmetrically arranged pressing member chutes are further provided at the lower parts on both sides of the pressing member. The pressing member chutes are arranged to incline upward from the inside to the outside. The sliding member passes through the locking seat chute and is inserted into the pressing member chute.

[0014] The included angle between the center line of the pressing member chute and the horizontal line ranges from 30° to 60°.

[0015] The seat angle adjustment structure of the baby stroller of the present utility model has the following beneficial effects:

[0016] 1. When the seat angle adjustment structure of the baby stroller of the present utility model is in use, the pressing member is pressed downward, so that the sliding member slides from the second step to the first step under the drive of the pressing member, enabling the sliding member to drive the locking seat to move away from the rotation linkage seat against the spring force, thereby releasing the rotation restriction of the locking seat on the rotation linkage seat. At this time, the angle of the seat frame can be adjusted through the seat rotation seat, and the angle of the footrest frame can be adjusted through the footrest rotation seat, realizing the angle adjustment of the seat frame and the footrest frame.

[0017] 2. After the pressing member of the seat angle adjustment structure of the baby stroller of the present utility model is pressed downward, the footrest frame can be lifted upward. When the lifting angle is greater than 50°, the entire seat can be unlocked. After unlocking, the entire seat frame can rotate 160° forward and 100° backward, ensuring that after the stroller platform is folded, whether the seat faces forward or backward, it can be guaranteed that the folded seat is in the same plane as the frame handle tube, achieving the smallest folding size. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the seat angle adjustment structure of the baby stroller of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the seat rotation seat of the seat angle adjustment structure of the baby stroller of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the footrest rotation seat of the seat angle adjustment structure of the baby stroller of the present utility model;

[0021] Figure 4 is the structural schematic diagram of the rotation linkage seat of the seat angle adjustment structure of the baby stroller of the present utility model Figure 1 ;

[0022] Figure 5 is the structural schematic diagram of the rotation linkage seat of the seat angle adjustment structure of the baby stroller of the present utility model Figure 2 ;

[0023] Figure 6 Schematic diagram of the locking seat structure of the seat angle adjustment structure of the stroller of the present utility model;

[0024] Figure 7 Schematic diagram of the pressing member structure of the seat angle adjustment structure of the stroller of the present utility model;

[0025] Reference numerals: 1, seat frame; 2, footrest frame; 3, seat rotating seat; 301, seat mounting tube; 302, first seat card mounting protrusion; 303, second seat card mounting protrusion; 304, locking seat jack; 305, seat mounting positioning post; 4, footrest rotating seat; 401, footrest mounting position; 402, footrest card mounting position; 403, footrest card mounting protrusion; 5, rotating linkage seat; 501, first linkage seat card slot; 502, linkage seat positioning slot; 503, second linkage seat card slot; 504, third linkage seat card slot; 6, locking seat; 601, locking seat card mounting protrusion; 602, locking seat insertion post; 603, pressing member mounting groove; 604, locking seat sliding groove; 7, pressing member; 701, first step; 702, second step; 703, pressing member sliding groove. Detailed implementation manners

[0026] In order to enable those skilled in the art of the present technology to better understand the technical solutions of the present utility model, the products of the present utility model will be further described in detail below in conjunction with the embodiments and the accompanying drawings.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element; when an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used herein in the description of the present utility model are only for the purpose of describing specific implementation manners and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0029] Such as Figure 1As shown in the figure, a seat angle adjustment structure for a baby stroller includes a seat frame 1, a footrest frame 2, and a rotation structure. The rotation structure includes a seat rotation base 3 and a footrest rotation base 4. The seat frame 1 is fixedly connected to the seat rotation base 3, and the footrest frame 2 is fixedly connected to the footrest rotation base 4. A rotation linkage seat 5 is sleeved inside one side of the seat rotation base 3, and the footrest rotation base 4 is sleeved outside the rotation linkage seat 5. A locking seat 6 is clamped on the side of the rotation linkage seat 5 away from the seat rotation base 3. The locking seat 6 is movably clamped with the seat rotation base 3, and the footrest rotation base 4 is located between the seat rotation base 3 and the locking seat 6. A movable pressing member 7 is inserted into the upper end of the locking seat 6, and a movable sliding member is inserted into the outer side of the locking seat 6. The sliding member passes through the locking seat 6 and is inserted on the pressing member 7 and can be driven by the pressing member 7.

[0030] It should be noted that in this embodiment, the rotation linkage seat 5 is sleeved inside the seat rotation base 3. When the pressing member 7 is pressed downward, the sliding member slides from the second step 702 to the first step 701 under the drive of the pressing member 7, so that the sliding member can drive the locking seat 6 to move away from the rotation linkage seat 5 against the spring force, thereby releasing the rotation restriction of the locking seat 6 on the rotation linkage seat 5. At this time, the angle of the seat frame 1 can be adjusted through the seat rotation base 3, and the angle of the footrest frame 2 can be adjusted through the footrest rotation base 4, realizing the angle adjustment of the seat frame 1 and the footrest frame 2.

[0031] As Figure 2 As shown in the figure, a protruding seat mounting tube 301 is provided on the outside of the seat rotation base 3. A protruding first seat base clamping protrusion 302 is provided in the middle of the inside of the seat rotation base 3. A plurality of uniformly arranged second seat base clamping protrusions 303 are provided on the inner side wall of the seat rotation base 3. A locking seat jack 304 is provided in the middle of the first seat base clamping protrusion 302. A seat base mounting positioning post 305 is also provided between the first seat base clamping protrusion 302 and the inner side wall of the seat rotation base 3.

[0032] It should be noted that the seat frame 1 is fixedly installed on the seat mounting tube 301. The space between the first seat base clamping protrusion 302 and the inner wall of the seat rotation base 3 forms a rotation linkage seat installation position. The rotation linkage seat 5 is clamped inside the rotation linkage seat installation position, and the first seat base clamping protrusion 302 is fitted and clamped with the first linkage seat clamping groove 501. The second seat base clamping protrusion 303 is clamped in the second linkage seat clamping groove 503, and the seat base mounting positioning post 305 is inserted into the linkage seat positioning groove 502.

[0033] As Figure 3As shown, a footrest mounting position 401 is provided on the outer side of the footrest rotating seat 4. The middle of the footrest rotating seat 4 is annular, and a footrest seat clamping position 402 is provided on its inner side. A number of footrest seat clamping protrusions 403 are provided on the footrest seat clamping position 402.

[0034] It should be noted that: in this embodiment, the footrest rotating seat 4 is sleeved on the outer side surface of the rotating linkage 5. A footrest clamping position and a guardrail mounting tube are provided on the footrest mounting position 401. The footrest 2 is clamped on the footrest clamping position, and the guardrail is inserted into the guardrail mounting tube. One side of the footrest seat clamping protrusion 403 is provided with a linear protrusion, and the other side is inclined upward at an inclination angle of 50°. The footrest seat clamping protrusion 403 forms a fitting clamping with the third linkage seat clamping groove 504. When the footrest is lifted upward at an angle greater than 50°, the rotating linkage 5 can move along the inclined edge of the footrest seat clamping protrusion 403 towards the locking seat 6, thereby releasing the restriction of the rotating linkage 5 on the seat rotating seat 1, and then unlocking the entire seat, so that the seat frame 1 can rotate forward 160° and backward 100° through the seat rotating seat 3. It can be ensured that after the vehicle platform is folded, whether the seat is facing forward or backward, it can be ensured that after folding, it is in the same plane as the frame handle tube, achieving a smaller folding size.

[0035] As Figure 4 and Figure 5 As shown, a first linkage seat clamping groove 501 is provided on the inner side wall of the rotating linkage seat 5. The first linkage seat clamping groove 501 is correspondingly arranged with the first seat clamping protrusion 302. A linkage seat positioning groove 502 is provided on the surface of the rotating linkage seat 5 that is in contact and installed with the seat rotating seat 3. The linkage seat positioning groove 502 is correspondingly arranged with the seat mounting positioning post 305. A second linkage seat clamping groove 503 is provided on the outer side surface of the rotating linkage seat 5. The second linkage seat clamping groove 503 is correspondingly arranged with the second seat clamping protrusion 303. The shape of the first linkage seat clamping groove 501 is adapted to the shape of the first seat clamping protrusion 302, the shape of the linkage seat positioning groove 502 is adapted to the shape of the seat mounting positioning post 305, and the shape of the second linkage seat clamping groove 503 is adapted to the shape of the second seat clamping protrusion 303. A third linkage seat clamping groove 504 is also provided on the outer side surface of the rotating linkage seat 5. The third linkage seat clamping groove 504 is arranged at an interval from the second linkage seat clamping groove 503 and is correspondingly arranged with the footrest seat clamping protrusion 403. The shape of the third linkage seat clamping groove 504 is adapted to the shape of the footrest seat clamping protrusion 403.

[0036] As Figure 6As shown, on the side of the locking seat 6 that fits and installs with the rotary linkage seat 5, there is a protruding locking seat clamping protrusion 601. The locking seat clamping protrusion 601 is correspondingly arranged with the first linkage seat clamping groove 501. The shape of the locking seat clamping protrusion 601 is adapted to the shape of the first linkage seat clamping groove 501. In the middle of the locking seat clamping protrusion 601, there is a protruding locking seat insertion post 602. The locking seat insertion post 602 is inserted into the locking seat insertion hole 304. At the upper end of the locking seat 6, there is a pressing member installation groove 603 with an upper opening. On the side of the locking seat 6 away from the rotary linkage seat 5, there is a locking seat sliding groove 604. An external reset spring is also sleeved on the locking seat insertion post 602. One end of the reset spring is sleeved on the outside of the locking seat insertion post 602, and the other end abuts against the inner bottom of the locking seat insertion hole 304.

[0037] It should be noted that: in this embodiment, after installation, the locking seat clamping protrusion 601 is adaptively clamped on the first linkage seat clamping groove 501 and is arranged opposite to the first seat clamping protrusion 302. The end of the locking seat insertion post 602 is sleeved with a reset spring. The locking seat insertion post 602 and the reset spring are both inserted into the locking seat insertion hole 304. There is a pressing member limiting part above the pressing member installation groove 603. The pressing member 7 is inserted into the pressing member installation groove 603, and its upper horizontal part is located above the pressing member limiting part.

[0038] As Figure 7 shown, the pressing member 7 is in a "U" shape. Its two side edges are provided with a first step 701 and a second step 702. The second step 702 is arranged inside the first step 701. The protruding height of the first step 701 is higher than that of the second step 702. On the lower parts of the two sides of the pressing member 7, there are symmetrically arranged pressing member sliding grooves 703. The pressing member sliding grooves 703 are inclined upward from the inside to the outside. The sliding member passes through the locking seat sliding groove 604 and is inserted into the pressing member sliding grooves 703. The included angle between the center line of the pressing member sliding groove 703 and the horizontal line ranges from 30° to 60°.

[0039] It should be noted that: in this embodiment, the included angle between the center line of the pressing member sliding groove 703 and the horizontal line is 45°. The sliding member passes through the locking seat sliding groove 604 and is inserted into the pressing member sliding grooves 703. When the pressing member 7 is pressed downward, the sliding member can slide from the second step 702 to the first step 701 along the inclination direction of the pressing member sliding groove 703, so that the locking seat 6 moves outward. Furthermore, the restriction of the locking seat 6 on the rotary linkage member 5 can be released, enabling the seat rotating seat 3 and the footrest rotating seat 4 to rotate through the rotary linkage member 5, and thus facilitating the adjustment of the angles of the seat frame 1 and the footrest frame 2.

[0040] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model; any ordinary technician in the industry can smoothly implement the present utility model according to what is shown in the accompanying drawings of the specification and what is described above; however, any minor changes, modifications, and equivalent variations made by those skilled in the art within the scope of the technical solution of the present utility model by using the technical content disclosed above are all equivalent embodiments of the present utility model; at the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the substantial technology of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A seat angle adjustment structure for a baby stroller, comprising a seat frame (1), a footrest frame (2) and a rotating structure, characterized in that: The rotating structure comprises a seat rotating seat (3) and a pedal rotating seat (4); the seat frame (1) is fixedly connected to the seat rotating seat (3); the pedal frame (2) is fixedly connected to the pedal rotating seat (4); a rotating linkage seat (5) is internally sleeved on one side of the seat rotating seat (3); the pedal rotating seat (4) is sleeved on the outside of the rotating linkage seat (5); a locking seat (6) is clamped on the side of the rotating linkage seat (5) away from the seat rotating seat (3); the locking seat (6) and the seat rotating seat (3) are movably clamped, so that the pedal rotating seat (4) is located between the seat rotating seat (3) and the locking seat (6); a movable pressing piece (7) is inserted at the upper end of the locking seat (6); a movable sliding piece (8) is inserted at the outer side of the locking seat (6); the sliding piece (8) passes through the locking seat (6) and is inserted on the pressing piece (7) and can be driven by the pressing piece (7).

2. The seat angle adjustment structure of a baby stroller according to claim 1, characterized in that: The outer side of the seat rotating seat (3) is provided with a protruding seat mounting tube (301), the inner middle part of the seat rotating seat (3) is provided with a protruding first seat seat clamping protrusion (302), the inner side wall of the seat rotating seat (3) is provided with a plurality of evenly arranged second seat seat clamping protrusions (303), the inner middle part of the first seat seat clamping protrusion (302) is provided with a locking seat insertion hole (304), and a seat seat mounting positioning column (305) is also provided between the first seat seat clamping protrusion (302) and the inner side wall of the seat rotating seat (3).

3. The seat angle adjustment structure of a baby stroller according to claim 2, characterized in that: A footrest mounting position (401) is provided on the outer side of the pedal rotating seat (4), the middle part of the pedal rotating seat (4) is in a ring shape, and a pedal seat clamping position (402) is provided on the inner side thereof, and a plurality of pedal seat clamping protrusions (403) are provided on the pedal seat clamping position (402).

4. The seat angle adjustment structure of a baby stroller according to claim 3, characterized in that: The inner side wall of the rotating linkage seat (5) is provided with a first linkage seat clamping groove (501), and the first linkage seat clamping groove (501) is arranged correspondingly to the first seat seat clamping protrusion (302); the side of the rotating linkage seat (5) and the seat rotating seat (3) that are fitted and installed is provided with a linkage seat positioning groove (502), and the linkage seat positioning groove (502) is arranged correspondingly to the seat seat installation positioning column (305); the outer side surface of the rotating linkage seat (5) is provided with a second linkage seat clamping groove (503), and the second linkage seat clamping groove (503) is arranged correspondingly to the second seat seat clamping protrusion (303).

5. The seat angle adjustment structure of a baby stroller according to claim 4, characterized in that: The shape of the first linkage seat snap-in groove (501) is compatible with the shape of the first seat seat snap-in protrusion (302), the shape of the linkage seat positioning groove (502) is compatible with the shape of the seat seat installation positioning column (305), and the shape of the second linkage seat snap-in groove (503) is compatible with the shape of the second seat seat snap-in protrusion (303).

6. The seat angle adjustment structure of a baby stroller according to claim 5, characterized in that: The outer side surface of the rotating linkage seat (5) is also provided with a third linkage seat clamping groove (504), the third linkage seat clamping groove (504) is arranged at a distance from the second linkage seat clamping groove (503), and is arranged corresponding to the pedal seat clamping protrusion (403), and the shape of the third linkage seat clamping groove (504) is adapted to the shape of the pedal seat clamping protrusion (403).

7. The seat angle adjustment structure of a baby stroller according to claim 6, characterized in that: A protruding locking seat clamping protrusion (601) is provided on one side where the locking seat (6) is fitted with the rotating linkage seat (5); the locking seat clamping protrusion (601) is arranged corresponding to the first linkage seat clamping groove (501); the shape of the locking seat clamping protrusion (601) is adapted to the shape of the first linkage seat clamping groove (501); a protruding locking seat plug column (602) is provided in the middle of the locking seat clamping protrusion (601); the locking seat plug column (602) is inserted into the locking seat plug hole (304); a pressing piece installation groove (603) with an upper end opening is provided on the upper end of the locking seat (6); and a locking seat slide groove (604) is provided on one side of the locking seat (6) away from the rotating linkage seat (5).

8. The seat angle adjustment structure of a baby stroller according to claim 7, characterized in that: A return spring is also sleeved on the outside of the locking seat plug column (602), one end of the return spring is sleeved on the outside of the locking seat plug column (602), and the other end is abutted against the bottom of the locking seat plug hole (304).

9. The seat angle adjustment structure of a baby stroller according to claim 8, characterized in that: The pressing member (7) is in a "U" shape, and a first step (701) and a second step (702) are provided on both sides of the pressing member. The second step (702) is arranged on the inner side of the first step (701). The protrusion height of the first step (701) is higher than the height of the second step (702). The lower parts of both sides of the pressing member (7) are also provided with symmetrically arranged pressing member sliding grooves (703). The pressing member sliding grooves (703) are arranged upwardly from the inside to the outside, and the sliding member (8) passes through the locking seat sliding groove (604) and is inserted into the pressing member sliding groove (703).

10. The seat angle adjustment structure of a baby stroller according to claim 9, characterized in that: The included angle between the midline of the pressing member slide groove (703) and the horizontal line is in the range of 30°-60°.

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