Baby carriage

Abstract

The utility model discloses a buggy which can move from an unfolding position to a folding position when an unlocking and locking device is unlocked, and comprises front legs, a seat is connected onto the front legs, rear legs capable of rotating relative to the seat are connected onto the seat, a supporting rod capable of sliding relative to the front legs is connected into the front legs, and the supporting rod is connected onto the front legs. A push rod capable of sliding relative to the supporting rod is connected into the supporting rod, a front wheel is connected to the front leg, and a rear wheel is connected to the rear leg. After the locking device is unlocked, the push rod is pushed to slide and fold downwards along the supporting rod, after the push rod and the supporting rod are folded, the supporting rod is pushed to slide and fold along the front leg, and when the supporting rod and the front leg are folded and the rear leg is folded towards the front leg, the folding of the buggy is completed.

Description

[Technical field]

[0001] The utility model relates to a baby carriage. [Background technology]

[0002] At present, baby carriages have become an indispensable item for children in their growth process. Baby carriages on the market can generally be folded or unfolded, but the existing baby carriages have a complex transmission structure, many connecting rods, and are still large in size after folding. Therefore, people are very eager for a baby carriage that is easy to fold and unfold. The present invention provides a new baby carriage structure. [Contents of the utility model]

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a baby carriage which is easy to fold.

[0004] The utility model is realized by the following technical solutions:

[0005] A baby stroller, which can be moved from an unfolded position to a folded position when a locking device is unlocked, comprises a front leg 11, to which a seat 12 is connected, to which a rear leg 13 which can rotate relative to the front leg is connected, to which a support rod 14 which can slide relative to the front leg is connected, to which a push rod 15 which can slide relative to the front leg is connected, to which a front wheel 111 is connected, and to which a rear wheel 131 is connected.

[0006] The front legs 11, the support rods 14 and the push rods 15 are arc-shaped.

[0007] The locking device includes a first locking assembly 16 disposed between the push rod 15 and the support rod 14 and capable of locking the two. The first locking assembly 16 includes a first locking position 161 disposed on the support rod 14. The push rod 15 is provided with a first engaging member 162 that can slide relative to the push rod 15 and engage in or disengage from the first locking position 161. The push rod 15 is provided with a first sliding seat 163 that can slide relative to the push rod 15 and drive the first engaging member 162 to slide. The push rod 15 is connected with a first sliding seat 163 that can move relative to the push rod 15 and drive the first sliding seat 163 to move relative to the push rod 15. A first operating member 164 is provided between the movable seat 163 for sliding, and a first pulling cable 165 is provided between the first operating member 164 and the first sliding seat 163, which can make the first engaging member 162 disengage from the first locking position 161 when the first operating member 164 moves; a first elastic member 166 is provided between the first sliding seat 163 and the push rod 15, which can push the first sliding seat 163 to return to its original position; a second elastic member 167 is provided between the first operating member 164 and the push rod 15, which can push the first operating member 164 to return to its original position.

[0008] The first engaging member 162 includes a first engaging block 1621 and a first axle pin 1622 connected to the first engaging block 1621. The first sliding seat 163 is provided with a first inclined groove 1631 in which the first axle pin 1622 can slide. The first inclined groove 1631 is provided with a first inclined sliding surface 1632 that can push the first axle pin 1622 to slide.

[0009] A second locking assembly 17 capable of locking the support rod 14 and the front leg 11 is provided between the support rod 14 and the front leg 11, and the second locking assembly 17 includes a second locking position 171 provided on the front leg 11, and a second engaging member 172 capable of sliding relative to the support rod 14 and engaging in or disengaging from the second locking position 171 is provided inside the support rod 14, and a second sliding seat 173 capable of sliding relative to the support rod 14 and driving the second engaging member 172 to slide is provided on the support rod 14, and a first pushing portion 151 capable of pushing the second sliding seat 173 to slide when the push rod 15 slides along the support rod 14 is provided, and a third elastic member 174 capable of pushing the second sliding seat 173 to reset is provided between the second sliding seat 173 and the support rod 14.

[0010] The second engaging member 172 includes a second engaging block 1721 and a second axle pin 1722 connected to the second engaging block 1721. The second sliding seat 173 is provided with a second inclined groove 1731 in which the second axle pin 1722 can slide. The second inclined groove 1731 is provided with a second inclined sliding surface 1732 that can push the second axle pin 1722 to slide.

[0011] The seat 12 includes a connecting seat 121 connected to the front leg 11, a seat plate 122 is connected to the connecting seat 121, the rear leg 13 is rotatably connected to the connecting seat 121, and a locking assembly 18 that can lock the two is provided between the rear leg 13 and the connecting seat 121, the locking assembly 18 includes a locking position 181 provided on the connecting seat 121, a first locking piece 182 that can slide relative to it and get into or out of the locking position 181 is provided on the rear leg 13, a pushing piece 183 that can push the first locking piece 182 out of the locking position 181 when sliding relative to the front leg 11 and the connecting seat 121 is provided, an elastic element 184 that can push the first locking piece 182 to reset and keep the first locking piece 182 locked in the locking position 181 is provided between the first locking piece 182 and the rear leg 13, and a second pushing portion 141 that can push the pushing piece 183 to slide is provided on the support rod 14.

[0012] The seat 12 is also provided with a positioning assembly 19 which can position the rear legs 13 when the rear legs 13 are in a folded state.

[0013] The positioning assembly 19 includes a positioning member 191 disposed on the seat 12 , and a spring 192 capable of pushing the positioning member 191 to return to its original position is disposed between the positioning member 191 and the seat 12 .

[0014] The positioning member 191 is provided with an arc surface 1911 .

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. After unlocking the locking device, push the push rod to slide down along the support rod to fold. After the push rod and the support rod are folded, push the support rod to slide along the front legs to fold. When the support rod and the front legs are folded and the rear legs are folded toward the front legs, the folding of the baby stroller is completed.

[0017] 2. The front legs, support rods and push rods are arc-shaped, which are convenient for folding and smoother when folding.

Brief Description of the Drawings

[0018] Figure 1 It is a three-dimensional diagram of the utility model children's vehicle;

[0019] Figure 2 This is one of the cross-sectional views of the utility model baby carriage;

[0020] Figure 3 yes Figure 2 A magnified image of area A;

[0021] Figure 4 yes Figure 2 Enlarged view of area B;

[0022] Figure 5 It is an exploded view of the first sliding seat and the first engaging member in the baby stroller of the utility model;

[0023] Figure 6 yes Figure 2 Enlarged view of the middle C area;

[0024] Figure 7 It is an exploded view of the second sliding seat and the second engaging member in the baby stroller of the utility model;

[0025] Figure 8 This is the second cross-sectional view of the utility model baby carriage;

[0026] Fig. 9 yes Figure 8 Enlarged view of area D in the middle;

[0027] Fig.10 It is a folding diagram of the utility model baby carriage;

[0028] Fig.11 It is a three-dimensional diagram of a positioning member in the child stroller of the utility model;

[0029] Fig.12 It is a three-dimensional diagram of the rear legs of the child stroller of the utility model;

[0030] Fig.13 It is a three-dimensional diagram of the components of the utility model. [Specific implementation method]

[0031] The utility model is further described below in conjunction with the accompanying drawings:

[0032] like Figures 1 to 12 As shown, the utility model provides a baby stroller, which can be moved from an unfolded position to a folded position when a locking device is unlocked, and includes a front leg 11, to which a seat 12 is connected, to which a rear leg 13 capable of rotating relative to the front leg is connected, to which a support rod 14 capable of sliding relative to the front leg is connected inside the front leg 11, to which a push rod 15 capable of sliding relative to the front leg is connected inside the support rod 14, to which a front wheel 111 is connected, and to which a rear wheel 131 is connected.

[0033] After unlocking the locking device, push the push rod 15 to slide downward along the support rod 14 and fold it. After the push rod 15 and the support rod 14 are folded, push the support rod 14 to slide and fold it along the front leg 11. When the support rod 14 and the front leg 11 are folded and the rear leg 13 is folded toward the front leg 11, the folding of the baby carriage is completed.

[0034] The front legs 11, the support rods 14 and the push rods 15 are arc-shaped, which are convenient for folding and smoother when folding.

[0035] The locking device includes a first locking assembly 16 disposed between the push rod 15 and the support rod 14 and capable of locking the two. The first locking assembly 16 includes a first locking position 161 disposed on the support rod 14. The push rod 15 is provided with a first engaging member 162 that can slide relative to the push rod 15 and engage in or disengage from the first locking position 161. The push rod 15 is provided with a first sliding seat 163 that can slide relative to the push rod 15 and drive the first engaging member 162 to slide. The push rod 15 is connected with a first member that can move relative to the push rod 15 and drive the first engaging member 162 to slide. A first operating member 164 is provided between the first operating member 164 and the first sliding seat 163 for sliding, and a first pull cable 165 is provided between the first operating member 164 and the first sliding seat 163, which can make the first engaging member 162 disengage from the first locking position 161 when the first operating member 164 moves. An elastic member 166 is provided between the first sliding seat 163 and the push rod 15, which can push the first sliding seat 163 to return to its original position. A second elastic member 167 is provided between the first operating member 164 and the push rod 15, which can push the first operating member 164 to return to its original position.

[0036] When the push rod 15 and the support rod 14 need to be folded, the first operating member 164 is operated, and the first operating member 164 rotates relative to the push rod 15. The first operating member 164 pulls the first cable 165, and the first cable 165 drives the first sliding seat 163 to slide vertically relative to the push rod 15. When the first sliding seat 163 slides vertically, it drives the first engaging member 162 to slide horizontally relative to the push rod 15, and the first engaging member 162 gradually disengages from the first locking position 161. At this time, the first locking assembly 16 is unlocked, and the push rod 15 can slide and fold along the support rod 14.

[0037] The first engaging member 162 includes a first engaging block 1621 and a first axle pin 1622 connected to the first engaging block 1621. The first sliding seat 163 is provided with a first inclined groove 1631 in which the first axle pin 1622 can slide. The first inclined groove 1631 is provided with a first inclined sliding surface 1632 that can push the first axle pin 1622 to slide.

[0038] When the first sliding seat 163 slides vertically, the first inclined sliding surface 1632 on the first sliding seat 163 gradually pushes the first shaft pin 1622 to move along the first inclined sliding groove 1631 . Driven by the first shaft pin 1622 , the first engaging block 1621 slides horizontally relative to the push rod 15 and disengages from the first locking position 161 .

[0039] A second locking assembly 17 capable of locking the support rod 14 and the front leg 11 is provided between the support rod 14 and the front leg 11, and the second locking assembly 17 includes a second locking position 171 provided on the front leg 11, and a second engaging member 172 capable of sliding relative to the support rod 14 and engaging in or disengaging from the second locking position 171 is provided inside the support rod 14, and a second sliding seat 173 capable of sliding relative to the support rod 14 and driving the second engaging member 172 to slide is provided on the support rod 14, and a first pushing portion 151 capable of pushing the second sliding seat 173 to slide when the push rod 15 slides along the support rod 14 is provided, and a third elastic member 174 capable of pushing the second sliding seat 173 to reset is provided between the second sliding seat 173 and the support rod 14.

[0040] When the support rod 14 and the front leg 11 need to be folded, the operating push rod 15 slides and folds along the support rod 14, and the first pushing portion 151 on the push rod 15 gradually pushes the second sliding seat 173 to slide vertically along the support rod 14. When the second sliding seat 173 slides vertically, it drives the second engaging member 172 to slide horizontally relative to the support rod 14, and the second engaging member 172 gradually disengages from the second locking position 171. At this time, the second locking assembly 17 is unlocked, and the support rod 14 can slide and fold along the front leg 11.

[0041] The second engaging member 172 includes a second engaging block 1721 and a second axle pin 1722 connected to the second engaging block 1721. The second sliding seat 173 is provided with a second inclined groove 1731 in which the second axle pin 1722 can slide. The second inclined groove 1731 is provided with a second inclined sliding surface 1732 that can push the second axle pin 1722 to slide.

[0042] When the second sliding seat 173 slides vertically, the second inclined sliding surface 1732 on the second sliding seat 173 gradually pushes the second shaft pin 1722 to move along the second inclined sliding groove 1731 . Driven by the second shaft pin 1722 , the second engaging block 1721 slides horizontally relative to the support rod 14 and disengages from the second locking position 171 .

[0043] The seat 12 includes a connecting seat 121 connected to the front leg 11, a seat plate 122 is connected to the connecting seat 121, the rear leg 13 is rotatably connected to the connecting seat 121, and a locking assembly 18 that can lock the two is provided between the rear leg 13 and the connecting seat 121, the locking assembly 18 includes a locking position 181 provided on the connecting seat 121, a first locking piece 182 that can slide relative to it and get into or out of the locking position 181 is provided on the rear leg 13, a pushing piece 183 that can push the first locking piece 182 out of the locking position 181 when sliding relative to the front leg 11 and the connecting seat 121 is provided, an elastic element 184 that can push the first locking piece 182 to reset and keep the first locking piece 182 locked in the locking position 181 is provided between the first locking piece 182 and the rear leg 13, and a second pushing portion 141 that can push the pushing piece 183 to slide is provided on the support rod 14.

[0044] When the support rod 14 slides downward along the front leg 11 and is folded, the second pushing portion 141 on the support rod 14 gradually pushes the pushing member 183, and the pushing member 183 slides relative to the front leg 11 and the connecting seat 121, and the pushing member 183 gradually contacts and pushes the first locking member 182 so that the first locking member 182 disengages from the locking position 181 on the connecting seat 121. At this time, the rear leg 13 can rotate relative to the connecting seat 121 and fold toward the front leg 11.

[0045] The seat 12 is also provided with a positioning assembly 19 that can position the rear legs 13 when the rear legs 13 are in a folded state. The positioning assembly 19 can position the rear legs 13 in a folded state to prevent the rear legs 13 from being randomly unfolded.

[0046] The positioning assembly 19 includes a positioning member 191 disposed on the seat 12, and a spring 192 capable of pushing the positioning member 191 to return to its original position is disposed between the positioning member 191 and the seat 12. When the rear legs 13 are rotated, folded or unfolded, the rear legs 13 are pushed hard, and the rear legs 13 squeeze the positioning member 191, so that the positioning member 191 is retracted into the seat 12, and the rear legs 13 can continue to rotate, unfold or fold.

[0047] The positioning member 191 is provided with an arc surface 1911 , so that the rear leg 13 can squeeze the positioning member 191 more smoothly.

[0048] The push rod 15 is provided with a canopy assembly 2 that can be rotated, unfolded or folded. The canopy assembly 2 is used for sunshade and can be folded or unfolded.

Claims

1. A baby stroller, wherein the baby stroller can be moved from an unfolded position to a folded position when the locking device is unlocked, characterized in that: The invention comprises a front leg (11), the front leg (11) is connected to a seat (12), the seat (12) is connected to a rear leg (13) which can rotate relative to the front leg, the front leg (11) is connected to a support rod (14) which can slide relative to the front leg, the support rod (14) is connected to a push rod (15) which can slide relative to the front leg, the front leg (11) is connected to a front wheel (111), and the rear leg (13) is connected to a rear wheel (131).

2. The baby stroller according to claim 1, characterized in that: The front legs (11), the support rod (14) and the push rod (15) are arc-shaped.

3. The baby stroller according to claim 1, characterized in that: The locking device comprises a first locking assembly (16) disposed between the push rod (15) and the support rod (14) and capable of locking the two, the first locking assembly (16) comprising a first locking position (161) disposed on the support rod (14), the push rod (15) being provided with a first engaging member (162) capable of sliding relative to the push rod and engaging in or disengaging from the first locking position (161), the push rod (15) being provided with a first sliding seat (163) capable of sliding relative to the push rod and driving the first engaging member (162) to slide, the push rod (15) being connected with a movable member capable of moving relative to the push rod and driving the first sliding seat (163) to slide. A first operating member (164) is provided between the first operating member (164) and the first sliding seat (163), a first pulling cable (165) is provided between the first operating member (164) and the first sliding seat (163), and is capable of causing the first engaging member (162) to disengage from the first locking position (161) when the first operating member (164) moves; a first elastic member (166) is provided between the first sliding seat (163) and the push rod (15), and is capable of pushing the first sliding seat (163) to return to its original position; a second elastic member (167) is provided between the first operating member (164) and the push rod (15), and is capable of pushing the first operating member (164) to return to its original position.

4. The baby carriage according to claim 3, characterized in that: The first engaging member (162) comprises a first engaging block (1621) and a first axle pin (1622) connected to the first engaging block (1621); the first sliding seat (163) is provided with a first inclined slide groove (1631) in which the first axle pin (1622) can slide; the first inclined slide groove (1631) is provided with a first inclined sliding surface (1632) capable of pushing the first axle pin (1622) to slide.

5. The baby stroller according to claim 1, characterized in that: A second locking assembly (17) capable of locking the support rod (14) and the front leg (11) is provided between the support rod (14) and the front leg (11), the second locking assembly (17) comprising a second locking position (171) provided on the front leg (11), a second engaging member (172) capable of sliding relative to the support rod (14) and engaging in or disengaging from the second locking position (171), a second sliding seat (173) capable of sliding relative to the support rod (14) and driving the second engaging member (172) to slide, a first pushing portion (151) capable of pushing the second sliding seat (173) to slide when the push rod (15) slides along the support rod (14), and a third elastic member (174) capable of pushing the second sliding seat (173) to reset is provided between the second sliding seat (173) and the support rod (14).

6. The baby carriage according to claim 5, characterized in that: The second engaging member (172) comprises a second engaging block (1721) and a second axle pin (1722) connected to the second engaging block (1721); the second sliding seat (173) is provided with a second inclined slide groove (1731) in which the second axle pin (1722) can slide; the second inclined slide groove (1731) is provided with a second inclined sliding surface (1732) that can push the second axle pin (1722) to slide.

7. The baby stroller according to claim 1, characterized in that: The seat (12) comprises a connecting seat (121) connected to the front leg (11), the connecting seat (121) is connected to a seat plate (122), the rear leg (13) is rotatably connected to the connecting seat (121), and a locking assembly (18) capable of locking the rear leg (13) and the connecting seat (121) is provided between the rear leg (13) and the connecting seat (121), the locking assembly (18) comprising a locking position (181) provided on the connecting seat (121), and the rear leg (13) is provided with a first locking member (181) capable of sliding relative to the rear leg (13) and locking into or out of the locking position (181). A locking member (182), a pushing member (183) is provided between the front leg (11) and the connecting seat (121) and is capable of pushing the first locking member (182) out of the locking position (181) when the two members slide relative to each other, an elastic element (184) is provided between the first locking member (182) and the rear leg (13) and is capable of pushing the first locking member (182) to reset so that the first locking member (182) remains locked in the locking position (181), and a second pushing portion (141) is provided on the support rod (14) and is capable of pushing the pushing member (183) to slide.

8. The baby stroller according to claim 1, characterized in that: The seat (12) is also provided with a positioning component (19) capable of positioning the rear legs (13) when the rear legs (13) are in a folded state.

9. The baby carriage according to claim 8, characterized in that: The positioning assembly (19) comprises a positioning member (191) arranged on the seat (12), and a spring (192) capable of pushing the positioning member (191) to return to its original position is arranged between the positioning member (191) and the seat (12).

10. The baby carriage according to claim 9, characterized in that: The positioning member (191) is provided with an arc surface (1911).

Images