A baby carriage

Abstract

The present invention discloses a baby carriage, which includes a handlebar, a support rod, a telescopic rod group, a rear foot rod group, a backrest rod group, a seat rod group, a front foot rod group, and a linkage rod group. With the above structure, when a user drives a locking transmission assembly through a first unlocking assembly to unlock the handlebar and the support rod, and drives the handlebar to rotate forward by a preset angle relative to the support rod, the locking of the linkage member and the rear foot rod group, the locking of the linkage rod group and the rear foot rod group, and the locking of the first rod and the second rod are all released, and a first elastic member drives the support rod, the telescopic rod group, the front foot rod group, the backrest rod group, and the seat rod group to all rotate towards the direction close to the rear foot rod group. Therefore, under the action of the first elastic member, it is more labor-saving for the user to operate the folding and storage of the baby carriage. Thus, the labor intensity required for the user to operate the folding and storage of the baby carriage can be reduced. Furthermore, the user experience can be optimized.

Description

Technical Field

[0001] The present invention relates to the technical field of infant appliances, and particularly to a baby carriage. Background Art

[0002] Baby carriages, as tools for infants to travel, are favored by more and more families. Among them, baby carriages can be folded and stored for easy carrying or storage. However, the labor intensity required for users to operate the folding and storage of baby carriages is relatively high, which will affect the user experience. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. For this purpose, the present invention provides a baby carriage that can optimize the user experience.

[0004] A baby stroller according to an embodiment of the present invention includes a handlebar, a support rod, a telescopic rod group, a rear foot rod group, a backrest rod group, a seat rod group, a front foot rod group, and a linkage rod group. The handlebar is provided with a first unlocking assembly. One end of the support rod is rotatably connected to the handlebar. A locking transmission assembly is provided between one end of the support rod and the handlebar. The locking transmission assembly locks the handlebar and the support rod. The locking transmission assembly is connected to the first unlocking assembly. The telescopic rod group includes a first rod and a second rod. The second rod is sleeved on the first rod. One end of the first rod is located outside and rotatably connected to the handlebar. A first transmission member is provided between one end of the first rod and the handlebar. A first locking assembly is provided between the first rod and the second rod. The first locking assembly locks the first rod and the second rod. The first locking assembly is connected to the first transmission member. The rear foot rod group is rotatably connected to the end of the second rod away from the handlebar. A linkage member is rotatably connected to the rear foot rod group. The other end of the support rod is connected to the linkage member. The rear foot rod group is provided with a second locking assembly connected to the linkage member. The second locking assembly locks the linkage member and the rear foot rod group. A second transmission member connected to the second locking assembly is provided at the other end of the support rod. The backrest rod group is connected to the linkage member. The seat rod group is rotatably connected to the backrest rod group. A first elastic member is connected between the seat rod group and the backrest rod group. The front foot rod group is rotatably connected to the rear foot rod group. The linkage rod group is slidably connected to the rear foot rod group. The support rod, the front foot rod group, and the seat rod group are all rotatably connected to the linkage rod group. The linkage rod group is connected to the second locking assembly. The second locking assembly locks the linkage rod group and the rear foot rod group. Wherein, the first unlocking assembly drives the locking transmission assembly to unlock the handlebar and the support rod. When the handlebar rotates forward by a preset angle relative to the support rod, the rotating handlebar can drive the second transmission member to act through the locking transmission assembly to release the locking of the second locking assembly on the linkage member and the rear foot rod group, so that the linkage member can rotate relative to the rear foot rod group, and release the locking of the second locking assembly on the linkage rod group and the rear foot rod group, so that the linkage rod group can slide relative to the rear foot rod group. The rotating handlebar can drive the first transmission member to act to release the locking of the first locking assembly on the first rod and the second rod, so that the first rod can telescopically move relative to the second rod. When the locking of the linkage member and the rear foot rod group, the locking of the linkage rod group and the rear foot rod group, and the locking of the first rod and the second rod are all released, the first elastic member can drive the support rod, the telescopic rod group, the front foot rod group, the backrest rod group, and the seat rod group to rotate towards the direction close to the rear foot rod group.

[0005] A baby carriage according to an embodiment of the present invention has at least the following beneficial effects: Through the above structure, when the user drives the locking transmission assembly to unlock the handlebar and the support rod through the first unlocking assembly, and drives the handlebar to rotate forward by a preset angle relative to the support rod, the locking of the linkage member and the rear foot rod group, the locking of the linkage rod group and the rear foot rod group, and the locking of the first rod and the second rod are all released. The first elastic member drives the support rod, the telescopic rod group, the front foot rod group, the backrest rod group, and the seat rod group to rotate towards the rear foot rod group. Therefore, under the action of the first elastic member, it is more labor-saving for the user to operate the folding and storage of the baby carriage. Therefore, the labor intensity required for the user to operate the folding and storage of the baby carriage can be reduced. Furthermore, the user experience can be optimized.

[0006] According to some embodiments of the present invention, the handlebar is provided with a connecting end portion, one end portion of the support rod is rotatably connected to the connecting end portion, the locking transmission assembly is arranged between one end portion of the support rod and the connecting end portion, one end portion of the first rod is rotatably connected to the connecting end portion, the first transmission member is arranged between one end portion of the first rod and the connecting end portion, and one end portion of the first rod and one end portion of the support rod are respectively arranged on both sides of the connecting end portion.

[0007] According to some embodiments of the present invention, a first groove is provided on one side of the connecting end portion. A first connecting shaft and a first guiding slope are provided at the bottom of the first groove. One end portion of the support rod is sleeved on the first connecting shaft. A second groove opposite to the first groove is provided at one end portion of the support rod. The locking transmission assembly includes a third transmission member, a first slider member, a second elastic member, and a fourth transmission member. The third transmission member is sleeved on the first connecting shaft. The third transmission member is connected to the first unlocking assembly. The third transmission member abuts against the first guiding slope. The first slider member is sleeved on the first connecting shaft. A part of the first slider member is arranged in the first groove, and the other part is arranged in the second groove to lock the support rod and the handlebar. The third transmission member is located between the first slider member and the connecting end portion. The second elastic member is arranged between the first slider member and one end portion of the support rod. The second elastic member drives the first slider member to abut against the third transmission member. The fourth transmission member is sleeved on the first connecting shaft. The fourth transmission member is located between one end portion of the support rod and the first slider member. The fourth transmission member is connected to the second transmission member. Wherein, the first unlocking assembly can drive the third transmission member to rotate, so that the third transmission member slides along the first guiding slope to push the first slider member, so that the first slider member disengages from the first groove to unlock the support rod and the handlebar. The rotating handlebar can drive the fourth transmission member to rotate to drive the second transmission member to act.

[0008] According to some embodiments of the present invention, a second connecting shaft is provided on the other side of the connecting end portion, one end portion of the first rod is sleeved on the second connecting shaft, and the first transmission member is sleeved on the second connecting shaft. Wherein, the rotating handle rod can drive the first transmission member to rotate so as to release the locking of the first rod and the second rod by the first locking assembly.

[0009] According to some embodiments of the present invention, the first unlocking assembly includes a second slider member and a first pressing member. The second slider member is slidably arranged on the handle rod, the second slider member is connected with the locking transmission assembly, the first pressing member is slidably arranged on the handle rod, the first pressing member is provided with an abutting surface, and the abutting surface abuts against the second slider member. Wherein, the first pressing member can slide and push the second slider member to slide through the abutting surface, and the sliding second slider member can drive the locking transmission assembly to unlock the handle rod and the support rod.

[0010] According to some embodiments of the present invention, a third groove is provided at the other end portion of the first rod, a first locking hole is provided on the inner cavity wall of the second rod, the first locking assembly includes a third slider member and a third elastic member, the third slider member is slidably arranged in the third groove, the third slider member is connected with the first transmission member, the third elastic member is arranged between the bottom of the third groove and the third slider member, and the third elastic member drives the third slider member to extend out of the third groove and be inserted into the first locking hole to lock the first rod and the second rod. Wherein, the rotating handle rod can drive the first transmission member to act so as to drive the third slider member to retract into the third groove and disengage from the first locking hole, so as to release the locking of the first rod and the second rod.

[0011] According to some embodiments of the present invention, the rear foot rod group is provided with a third rod, the third rod is provided with a rotating hole, the linkage member is inserted into the rotating hole, the other end portion of the support rod and the backrest rod group are respectively arranged on both sides of the third rod, the linkage rod group is slidably sleeved on the third rod, and the second locking assembly is arranged on the third rod.

[0012] According to some embodiments of the present invention, the third rod is provided with a first sliding hole communicating with the rotating hole, and a second sliding hole communicating with the first sliding hole. The hole wall of the first sliding hole is provided with a first abutting block. The linkage member is provided with a locking notch, and the linkage rod group is provided with a second locking hole. The second locking assembly includes a fourth slider member, a fourth elastic member, and a fifth slider member. The fourth slider member is slidably disposed in the first sliding hole. The fourth slider member is connected to the second transmission member. The fourth slider member is provided with a first accommodating hole and a first avoiding hole. The first abutting block passes through the first accommodating hole. The hole wall of the first avoiding hole is provided with a first guiding hole. The fourth elastic member is disposed in the first accommodating hole. Two end portions of the fourth elastic member respectively abut against the hole wall of the first accommodating hole and the first abutting block. The fourth elastic member drives the fourth slider member to partially insert into the locking notch to lock the linkage member and the rear foot rod group. The fifth slider member is slidably disposed in the second sliding hole. The fifth slider member passes through the first avoiding hole. The fifth slider member is provided with a second abutting block. The second abutting block passes through the first guiding hole. The fifth slider member passes through the second locking hole to lock the linkage rod group and the rear foot rod group. Wherein, the rotating hand lever can drive the second transmission member to act through the locking transmission assembly, so as to drive the fourth slider member to slide out of the locking notch, unlock the locking of the linkage member and the rear foot rod group, and drive the fourth slider member to slide and push the second abutting block, so that the fifth slider member retracts into the second sliding hole and disengages from the second locking hole, unlocking the locking of the linkage rod group and the rear foot rod group.

[0013] According to some embodiments of the present invention, the backrest rod group is rotatably connected to the linkage member. A third locking assembly is provided between the backrest rod group and the linkage member. The third locking assembly locks the backrest rod group and the linkage member. The backrest rod group is provided with a second unlocking assembly. The second unlocking assembly is connected to the third locking assembly. The second unlocking assembly can drive the third locking assembly to release the locking of the backrest rod group and the linkage member.

[0014] According to some embodiments of the present invention, the rear foot rod group is provided with an armrest rod member. Description of the Drawings

[0015] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0016] Figure 1 is a structural diagram of an embodiment of a baby stroller of the present invention;

[0017] Figure 2 is Figure 1 a structural diagram of the hand lever shown in

[0018] Figure 3 is Figure 2 a cross-sectional view of the handlebar after removing some components as shown in

[0019] Figure 4 is Figure 1 a partial exploded view of the support rod, handlebar, telescopic rod group, locking transmission assembly, and first transmission part as shown in

[0020] Figure 5 is Figure 1 another partial exploded view of the support rod, handlebar, telescopic rod group, locking transmission assembly, and first transmission part as shown in

[0021] Figure 6 is Figure 1 a partial exploded view of the stroller after removing some components as shown in

[0022] Figure 7 is Figure 6 a cross-sectional view of the telescopic rod group and the rear foot rod group as shown in

[0023] Figure 8 is Figure 6 a structural diagram of the second transmission part as shown in

[0024] Figure 9 is Figure 7 a structural diagram of the second locking assembly as shown in

[0025] Figure 10 is Figure 1 a partial exploded view of the stroller after removing some components as shown in

[0026] Figure 11 is Figure 10 a structural diagram of the fifth transmission part as shown in

[0027] Figure 12 is Figure 10 a partial structural diagram of the backrest rod group as shown in

[0028] Figure 13 is Figure 1 a partial exploded view of the backrest rod group as shown in

[0029] Figure 14 is Figure 1 a cross-sectional view of the rear foot rod group as shown in

[0030] Figure 15 is Figure 14 a partial structural diagram of the fourth locking assembly as shown in

[0031] Figure 16 is Figure 1 the first state diagram of the stroller as shown in

[0032] Figure 17 is Figure 1 the second state diagram of the stroller shown in

[0033] Figure 18 is Figure 1 the third state diagram of the stroller shown in Detailed implementation manners

[0034] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0035] In the description of the present invention, if the first, second, third, fourth, fifth, etc. are described, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0036] In the description of the present invention, it should be understood that for the orientation description, such as up, down, front, back, left, right, etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0037] In the present invention, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense. For example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected, detachably connected, or integrally formed; they can be mechanically connected; they can be the communication inside two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0038] Referring to Figures 1 to 18 , an embodiment of a stroller of the present invention includes a handlebar 100, a support rod 200, a telescopic rod group 300, a rear foot rod group 400, a backrest rod group 500, a seat rod group 600, a front foot rod group 700, and a linkage rod group 800.

[0039] The handgrip rod 100 is provided with a first unlocking component 110. One end of the support rod 200 is rotatably connected to the handgrip rod 100. A locking transmission component 910 is provided between one end of the support rod 200 and the handgrip rod 100. The locking transmission component 910 locks the handgrip rod 100 and the support rod 200. The locking transmission component 910 is connected to the first unlocking component 110. The telescopic rod group 300 includes a first rod 310 and a second rod 320. The second rod 320 is sleeved on the first rod 310. One end of the first rod 310 is located outside and rotatably connected to the handgrip rod 100. A first transmission member 920 is provided between one end of the first rod 310 and the handgrip rod 100. A first locking component 930 is provided between the first rod 310 and the second rod 320. The first locking component 930 locks the first rod 310 and the second rod 320. The first locking component 930 is connected to the first transmission member 920. The rear foot rod group 400 is rotatably connected to one end of the second rod 320 away from the handgrip rod 100. A linkage member 940 is rotatably connected to the rear foot rod group 400. The other end of the support rod 200 is connected to the linkage member 940. The rear foot rod group 400 is provided with a second locking component 950 connected to the linkage member 940. The second locking component 950 locks the linkage member 940 and the rear foot rod group 400. The other end of the support rod 200 is provided with a second transmission member 960 connected to the second locking component 950. The backrest rod group 500 is connected to the linkage member 940. The seat rod group 600 is rotatably connected to the backrest rod group 500. A first elastic member 970 is connected between the seat rod group 600 and the backrest rod group 500. The front foot rod group 700 is rotatably connected to the rear foot rod group 400. The linkage rod group 800 is slidably connected to the rear foot rod group 400. The support rod 200, the front foot rod group 700, and the seat rod group 600 are all rotatably connected to the linkage rod group 800. The linkage rod group 800 is connected to the second locking component 950. The second locking component 950 locks the linkage rod group 800 and the rear foot rod group 400.

[0040] When the first unlocking component 110 drives the locking transmission component 910 to unlock the handgrip rod 100 and the support rod 200, so that the handgrip rod 100 can rotate forward relative to the support rod 200 by a preset angle (specifically refer to Figure 16 the first state shown), 1. The rotating handgrip rod 100 can drive the second transmission member 960 to act through the locking transmission component 910, so as to release the locking of the second locking component 950 on the linkage member 940 and the rear foot rod group 400, so that the linkage member 940 can rotate relative to the rear foot rod group 400, and release the locking of the second locking component 950 on the linkage rod group 800 and the rear foot rod group 400, so that the linkage rod group 800 can slide relative to the rear foot rod group 400. 2. The rotating handgrip rod 100 can drive the first transmission member 920 to act, so as to release the locking of the first locking component 930 on the first rod 310 and the second rod 320, so that the first rod 310 can extend and retract relative to the second rod 320.

[0041] When the lockings of the linkage member 940 and the rear footrest rod group 400, the lockings of the linkage rod group 800 and the rear footrest rod group 400, and the lockings of the first rod 310 and the second rod 320 are all released, the first elastic member 970 can drive the support rod 200, the telescopic rod group 300, the front footrest rod group 700, the backrest rod group 500, and the seat rod group 600 to rotate towards the rear footrest rod group 400.

[0042] It can be understood that the first elastic member 970 drives the support rod 200, the telescopic rod group 300, the front footrest rod group 700, the backrest rod group 500, and the seat rod group 600 to rotate towards the rear footrest rod group 400. Specifically, referring to Figure 1 and Figure 10 , the first elastic member 970 directly drives the backrest rod group 500 and the seat rod group 600 to rotate towards the rear footrest rod group 400. Among them, the rotating seat rod group 600 indirectly drives the front footrest rod group 700 and the support rod 200 to rotate towards the rear footrest rod group 400 through the linkage rod group 800. The rotating backrest rod group 500 also drives the support rod 200 to rotate towards the rear footrest rod group 400 through the linkage member 940. The driven support rod 200 drives the telescopic rod group 300 to rotate towards the rear footrest rod group 400 through the handle rod 100. The first rod 310 slides relative to the second rod 320 during the rotation of the telescopic rod group 300.

[0043] It can be understood that the baby stroller needs to go through the first state, the second state, and the third state in sequence to complete folding and storage. The first state, the second state, and the third state respectively correspond to the attached Figure 16 to the attached Figure 17 and the attached Figure 18 as shown.

[0044] With the above structure, when the user drives the locking transmission component 910 to unlock the handle rod 100 and the support rod 200 through the first unlocking component 110, and drives the handle rod 100 to rotate forward by a preset angle relative to the support rod 200, the lockings of the linkage member 940 and the rear footrest rod group 400, the lockings of the linkage rod group 800 and the rear footrest rod group 400, and the lockings of the first rod 310 and the second rod 320 are all released. The first elastic member 970 drives the support rod 200, the telescopic rod group 300, the front footrest rod group 700, the backrest rod group 500, and the seat rod group 600 to rotate towards the rear footrest rod group 400. Therefore, under the action of the first elastic member 970, it is more labor-saving for the user to operate the folding and storage of the baby stroller. Therefore, the labor intensity required for the user to operate the folding and storage of the baby stroller can be reduced. Furthermore, the user experience can be optimized.

[0045] In this embodiment, referring to Figure 4 and Figure 5, the handgrip rod 100 is provided with a connecting end portion 120. One end portion of the support rod 200 is rotatably connected to the connecting end portion 120. The locking transmission assembly 910 is disposed between one end portion of the support rod 200 and the connecting end portion 120. One end portion of the first rod 310 is rotatably connected to the connecting end portion 120. The first transmission member 920 is disposed between one end portion of the first rod 310 and the connecting end portion 120. One end portion of the first rod 310 and one end portion of the support rod 200 are respectively disposed on both sides of the connecting end portion 120.

[0046] The locking transmission assembly 910 is disposed between one end portion of the support rod 200 and the connecting end portion 120. Specifically, referring to Figure 4 and Figure 5 , a first groove 121 is provided on one side of the connecting end portion 120. A first connecting shaft 122 and a first guiding inclined surface 123 are provided at the bottom of the first groove 121. One end portion of the support rod 200 is sleeved on the first connecting shaft 122. A second groove 210 opposite to the first groove 121 is provided at one end portion of the support rod 200. The locking transmission assembly 910 includes a third transmission member 911, a first slider member 912, a second elastic member 913, and a fourth transmission member 914. The third transmission member 911 is sleeved on the first connecting shaft 122. The third transmission member 911 is connected to the first unlocking assembly 110. The third transmission member 911 abuts against the first guiding inclined surface 123. The first slider member 912 is sleeved on the first connecting shaft 122. A part of the first slider member 912 is disposed in the first groove 121, and the other part is disposed in the second groove 210 to lock the support rod 200 and the handgrip rod 100. The third transmission member 911 is located between the first slider member 912 and the connecting end portion 120. The second elastic member 913 is disposed between the first slider member 912 and one end portion of the support rod 200. The second elastic member 913 urges the first slider member 912 to abut against the third transmission member 911. The fourth transmission member 914 is sleeved on the first connecting shaft 122. The fourth transmission member 914 is located between one end portion of the support rod 200 and the first slider member 912. The fourth transmission member 914 is connected to the second transmission member 960. Among them, the first unlocking assembly 110 can drive the third transmission member 911 to rotate, so that the third transmission member 911 slides along the first guiding inclined surface 123 to push the first slider member 912, so that the first slider member 912 disengages from the first groove 121 to unlock the support rod 200 and the handgrip rod 100; the rotating handgrip rod 100 can drive the fourth transmission member 914 to rotate to drive the second transmission member 960 to act.

[0047] The third transmission member 911 abuts against the first guiding inclined surface 123. Specifically, referring to Figure 4 and Figure 5, the third transmission member 911 is provided with a first slot 911A. The bottom of the first slot 911A is provided with a second guiding inclined surface (not marked in the figure). The bottom of the first slot 121 is provided with a first insertion block (not marked in the figure). The first insertion block is provided with the above-mentioned first guiding inclined surface 123. The first insertion block is inserted into the first slot 911A, and the second guiding inclined surface abuts against the first guiding inclined surface 123.

[0048] The handgrip rod 100 is provided with a first unlocking assembly 110. The third transmission member 911 is connected to the first unlocking assembly 110. Specifically, referring to Figures 1 to 3 , the inner cavity of the handgrip rod 100 is provided with a first mounting block 120. The first mounting block 120 is provided with a third sliding hole 121. The handgrip rod 100 is provided with a first through hole 130 communicating its inner cavity with the outside. The first unlocking assembly 110 includes a second slider member 111 and a first pressing member 112. The second slider member is slidably disposed in the third sliding hole 121. The second slider member 111 is connected to the third transmission member 911 through a rope (not marked in the figure). The first pressing member 112 is slidably disposed in the first through hole 130. The first pressing member 112 is provided with an abutting surface 112A, and the abutting surface 112A abuts against the second slider member 111.

[0049] The user can press the first pressing member 112 to make the first pressing member 112 slide and push the second slider member 111 to slide through the abutting surface 112A. The sliding second slider member 111 drives the third transmission member 911 to rotate through the rope to unlock the handgrip rod 100 and the support rod 200.

[0050] In this embodiment, referring to Figure 3 , a fifth elastic member 140 is provided between the first mounting block 120 and the first pressing member 112. The fifth elastic member 140 drives the first pressing member 112 to abut against the handgrip rod 100 so that a part of the first pressing member 112 extends out of the first through hole 130.

[0051] In order to avoid the situation that the user presses the first pressing member 112 by mistake, referring to Figure 2 and Figure 3 , the handgrip rod 100 is provided with a second through hole 150 communicating its inner cavity with the outside. A sixth slider member 160 is slidably disposed in the second through hole 150. A communicating third locking hole 161 and a second avoiding hole 162 are provided in the part of the sixth slider member 160 located in the inner cavity of the handgrip rod 100. The first pressing member 112 is provided with a convex block 112B, and the convex block 112B is disposed in the third locking hole 161 to be able to limit the relative sliding of the first pressing member 112 with respect to the handgrip rod 100.

[0052] When the user drives the sixth slider member 160 to slide so that the convex block 112B disengages from the third locking hole 161 and moves to the second avoiding hole 162, the user can press the first pressing member 112.

[0053] In this embodiment, referring to Figure 3 inside the handle rod 100, a sixth elastic member 170 is provided, and the sixth elastic member 170 drives the sixth slider member 160 to slide until it abuts against the convex block 112B, so that the convex block 112B is arranged in the third locking hole 161.

[0054] The first transmission member 920 is arranged between one end of the first rod 310 and the connecting end portion 120. Specifically, referring to Figure 4 and Figure 5 on the other side of the connecting end portion 120, a second connecting shaft 124 is provided. One end of the first rod 310 is sleeved on the second connecting shaft 124, and the first transmission member 920 is sleeved on the second connecting shaft 124. Among them, the rotating handle rod 100 can drive the first transmission member 920 to rotate to release the locking of the first rod 310 and the second rod 320 by the first locking assembly 930.

[0055] A first locking assembly 930 is arranged between the first rod 310 and the second rod 320. Specifically, referring to Figure 7 at the other end of the first rod 310, a third groove 311 is provided, and on the inner cavity wall of the second rod 320, a first locking hole 321 is provided. The first locking assembly 930 includes a third slider member 931 and a third elastic member 932. The third slider member 931 is slidably arranged in the third groove 311. The third slider member 931 is connected to the first transmission member 920 by a rope (not shown in the figure). The third elastic member 932 is arranged between the bottom of the third groove 311 and the third slider member 931. The third elastic member 932 drives the third slider member 931 to extend out of the third groove 311 and be inserted into the first locking hole 321 to lock the first rod 310 and the second rod 320. Among them, the rotating handle rod 100 can drive the first transmission member 920 to rotate, and the rotating first transmission member 920 drives the third slider member 931 to retract into the third groove 311 and disengage from the first locking hole 321 through the rope, so as to release the locking of the first rod 310 and the second rod 320.

[0056] In this embodiment, referring to Figure 1 、 Figure 6 、 Figure 7 as well as Figure 10 the rear foot rod group 400 is provided with a third rod 410. The third rod 410 is provided with a rotating hole 411. The linkage member 940 is inserted into the rotating hole 411. The other end of the support rod 200 and the backrest rod group 500 are respectively arranged on both sides of the third rod 410. The linkage rod group 800 is slidably sleeved on the third rod 410, and a second locking assembly 950 is arranged on the third rod 410.

[0057] The other end of the support rod 200 is connected to the linkage member 940. Specifically, referring to Figure 6 and Figure 7, the other end of the support rod 200 is provided with a second insertion block 220, the linkage member 940 is provided with a second slot 942, and the second insertion block 220 is inserted into the second slot 942.

[0058] The other end of the support rod 200 is provided with a second transmission member 960 connected to the second locking assembly 950, and the fourth transmission member 914 is connected to the second transmission member 960. Specifically, refer to Figure 5 and Figure 6 , the second transmission member 960 is rotatably sleeved on the second insertion block 220, and the second transmission member 960 is connected to the fourth transmission member 914 through a rope (not shown in the figure).

[0059] The second locking assembly 950 is connected to the linkage rod group 800 and the second locking assembly 950 is connected to the linkage member 940. Specifically, refer to Figure 7 and Figure 9 The third rod 410 is provided with a first sliding hole 412 communicating with the rotating hole 411 and a second sliding hole 413 communicating with the first sliding hole 412. The hole wall of the first sliding hole 412 is provided with a first abutting block 412A. The linkage member 940 is provided with a locking notch 941, and the linkage rod group 800 is provided with a second locking hole 811. The second locking assembly 950 includes a fourth slider member 951, a fourth elastic member 952 and a fifth slider member 953. The fourth slider member 951 is slidably disposed in the first sliding hole 412. The fourth slider member 951 is connected to the second transmission member 960. The fourth slider member 951 is provided with a first accommodating hole 951A and a first avoiding hole 951B. The first abutting block 412A passes through the first accommodating hole 951A. The hole wall of the first avoiding hole 951B is provided with a first guiding hole 951B1. The fourth elastic member 952 is disposed in the first accommodating hole 951A. Two end portions of the fourth elastic member 952 respectively abut against the hole wall of the first accommodating hole 951A and the first abutting block 412A. The fourth elastic member 952 drives the fourth slider member 951 to partially insert into the locking notch 941 to lock the linkage member 940 and the rear foot rod group 400. The fifth slider member 953 is slidably disposed in the second sliding hole 413. The fifth slider member 953 passes through the first avoiding hole 951B. The fifth slider member 953 is provided with a second abutting block 953A. The second abutting block 953A passes through the first guiding hole 951B1. The fifth slider member 953 passes through the second locking hole 811 to lock the linkage rod group 800 and the rear foot rod group 400.

[0060] The rotating hand lever 100 can drive the second transmission member 960 to rotate through the fourth transmission member 914, so as to drive the fourth slider member 951 to slide out of the locking notch 941 to unlock the locking of the linkage member 940 and the rear foot rod group 400, and drive the fourth slider member 951 to slide and push the second abutting block 953A, so that the fifth slider member 953 retracts into the second sliding hole 413 and disengages from the second locking hole 811 to unlock the locking of the linkage rod group 800 and the rear foot rod group 400.

[0061] It is understandable that the fourth slider member 951 slides and pushes against the second abutting block 953A, that is, the fourth slider member 951 pushes against the second abutting block 953A through the hole wall of the first guide hole 951B1.

[0062] The fourth slider member 951 is connected to the second transmission member 960. Specifically, referring to Figures 6 to 8 , the fourth slider member 951 is provided with a third abutting block 951C, the second transmission member 960 is provided with a notch 961, and a third guide inclined surface 962 located at the notch 961. The third abutting block 951C passes through the notch 961 and abuts against the third guide inclined surface 962.

[0063] The rotating second transmission member 960 can push against the third abutting block 951C through the third guide inclined surface 962 to drive the fourth slider member 951 to slide.

[0064] In this embodiment, referring to Figure 1 、 Figure 10 and Figure 13 , the backrest rod group 500 is rotatably connected to the linkage member 940. A third locking assembly 980 is provided between the backrest rod group 500 and the linkage member 940. The third locking assembly 980 locks the backrest rod group 500 and the linkage member 940. The backrest rod group 500 is provided with a second unlocking assembly 510. The second unlocking assembly 510 is connected to the third locking assembly 980. The second unlocking assembly 510 can drive the third locking assembly 980 to release the lock on the backrest rod group 500 and the linkage member 940, so that the backrest rod group 500 can rotate relative to the linkage member 940.

[0065] The backrest rod group 500 is rotatably connected to the linkage member 940. A third locking assembly 980 is provided between the backrest rod group 500 and the linkage member 940. Specifically, referring to Figures 10 to 12, the linkage 940 is provided with a fourth groove 943, and a third connecting shaft 943A is provided at the bottom of the fourth groove 943. The backrest rod group 500 is rotatably sleeved on the linkage 940. The backrest rod group 500 is provided with a fifth groove 520 opposite to the fourth groove 943. A fourth connecting shaft 521 and a third insertion block 522 are provided at the bottom of the second groove 520. The third insertion block 522 is provided with a fourth inclined surface 522A. The third locking assembly 980 includes a fifth transmission member 981, a seventh slider member 982, and a seventh elastic member 983. The fifth transmission member 981 is sleeved on the fourth connecting shaft 521. The fifth transmission member 981 is provided with a third insertion slot 981A. A fifth inclined surface (not marked in the figure) is provided at the bottom of the third insertion slot 981A. The third insertion block 522 is inserted into the third insertion slot 981A. The fifth inclined surface abuts against the fourth inclined surface 522A. The fifth transmission member 981 is connected to the second unlocking assembly 510. The seventh slider member 982 is sleeved on the fourth connecting shaft 521 and also sleeved on the third connecting shaft 943A. The fifth transmission member 981 is located between the seventh slider member 982 and the backrest rod group 500. A part of the seventh slider member 982 is located in the fourth groove 943, and the other part is located in the fifth groove 520 to lock the linkage 940 and the backrest rod group 500. The seventh elastic member 983 is sleeved on the third connecting shaft 943A. The two end portions of the seventh elastic member 983 respectively abut against the bottom of the fourth groove 943 and the seventh slider member 982. The seventh elastic member 983 urges the seventh slider member 982 to abut against the fifth transmission member 981.

[0066] The second unlocking assembly 510 can drive the fifth transmission member 981 to rotate. The rotating fifth transmission member 981 slides and pushes the seventh slider member 982 along the fourth inclined surface 522A through the fifth inclined surface, so that the seventh slider member 982 retracts into the fourth groove 943 and disengages from the fifth groove 520, releasing the lock between the linkage 940 and the backrest rod group 500. Among them, the unlocked backrest rod group 500 can rotate relative to the linkage 940.

[0067] The fifth transmission member 981 is connected to the second unlocking assembly 510. Specifically, referring to Figure 13 , the second unlocking assembly 510 includes an eighth slider member 511, a first sleeve 512, and a second sleeve 513. The eighth slider member 511 is slidably arranged on the backrest rod group 500. The eighth slider member 511 is connected to the fifth transmission member 981 through a rope (not shown in the figure). The first sleeve 512 is rotatably sleeved on the backrest rod group 500. The first sleeve 512 is provided with a second guide hole 512A. The eighth slider member 511 passes through the second guide hole 512A. The third sleeve 513 is sleeved on the second sleeve 512 to block the second guide hole 512A thereon.

[0068] When the user drives the second sleeve 512 to rotate through the third sleeve 513, the rotating second sleeve 512 pushes the eighth slider member 511 to slide through the hole wall of the second guide hole 512A, and the sliding eighth slider member 511 drives the fifth transmission member 981 to rotate through a rope.

[0069] The linkage rod group 800 includes a fourth sleeve 810, a first link 820, a second link 830, and a third link 840.

[0070] Refer to Figure 6 and Figure 10 , the fourth sleeve 810 is sleeved on the third rod 410, the second locking hole 811 is provided on the barrel wall of the fourth sleeve 810, one end of the first link 820 is rotatably connected to the fourth sleeve 810, and the other end is rotatably connected to the support rod 200. One end of the second link 830 is rotatably connected to the fourth sleeve 810, and the other end is rotatably connected to the front foot rod group 700. One end of the third link member 840 is rotatably connected to the second link 830, and the other end is rotatably connected to the seat rod group 600.

[0071] In this embodiment, refer to Figure 6 , Figure 14 , Figure 15 and Figure 18 , the third rod 410 is provided with a fourth locking assembly 1000, and when the stroller is in the third state, the fourth locking assembly 1000 can lock or unlock the linkage rod group 800.

[0072] The fourth locking assembly 1000 includes a second mounting block 1100, a ninth slider member 1200, a tenth slider member 1300, an eighth elastic member 1400, and a second pressing member 1500.

[0073] The second mounting block 1100 is provided on the third rod 410. The second mounting block 1100 is provided with a fourth sliding hole 1110 and a fifth sliding hole 1120 communicating with the fourth sliding hole 1110. The hole wall of the fourth sliding hole 1110 is provided with a fourth abutting block 1111. The rod wall of the third rod 410 is provided with a fourth locking hole 414 corresponding to the fifth sliding hole 1120 and a mounting hole (not shown in the figure) communicating with the fourth sliding hole 1110. The ninth slider member 1200 is slidably disposed in the fourth sliding hole 1110. The ninth slider member 1200 is provided with a second accommodating hole 1210 and a third avoiding hole 1220. The hole wall of the third avoiding hole 1220 is provided with a third guiding hole 1221. The fourth abutting block 1111 passes through the second accommodating hole 1210. The eighth elastic member 1400 is disposed in the second accommodating hole 1210. The two end portions of the eighth elastic member 1400 respectively abut against the hole wall of the second accommodating hole 1210 and the fourth abutting block 1111. The tenth slider member 1300 is slidably disposed in the fifth sliding hole 1120. The tenth slider member 1300 passes through the third avoiding hole 1220. The tenth slider member 1300 is provided with a fifth abutting block 1310. The fifth abutting block 1310 passes through the third guiding hole 1221. The second pressing member 1500 passes through the mounting hole. The second pressing member 1500 abuts against the ninth slider member 1200. The eighth elastic member drives the ninth slider member 1200 to slide. The sliding ninth slider member 1200 pushes against the fifth abutting block 1310 through the hole wall of the third guiding hole 1221, so that the tenth slider member 1300 slides through the fourth locking hole 414 and the second locking hole 811 to lock the rear foot rod group 400 and the linkage rod group 800, and keep the stroller in the third state.

[0074] The user can press the second pressing member 1500 to drive the ninth slider member 1200 to slide. The sliding ninth slider member 1200 can push against the fifth abutting block 1310 through the hole wall of the third guiding hole 1221, so that the tenth slider member 1300 slides back into the fifth sliding hole 1120 and disengages from the second locking hole 811 to release the locking of the rear foot rod group 400 and the linkage rod group 800.

[0075] In this embodiment, referring to Figure 1 , the rear foot rod group 400 is provided with an armrest rod member 990.

[0076] In this embodiment, referring to Figure 1 、 Figure 4 and Figure 5 , one end of the first rod 310 is provided with a canopy mounting member 2000. A fifth locking assembly (not marked in the figure) is provided between one end of the first rod 310 and the canopy mounting member 2000. The fifth locking assembly can lock or release the canopy mounting member 2000 and the first rod 310.

[0077] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent deformations or substitutions without departing from the spirit of the present invention, and these equivalent deformations and substitutions are all included within the scope defined by the claims of this application.

Claims

1. A baby carriage, characterized in that: including a handle bar (100) provided with a first unlocking assembly (110); a support bar (200) with one end rotatably connected to the handle bar (100). A locking transmission assembly (910) is provided between one end of the support bar (200) and the handle bar (100). The locking transmission assembly (910) locks the handle bar (100) and the support bar (200), and the locking transmission assembly (910) is connected to the first unlocking assembly (110); a telescopic rod group (300) including a first rod (310) and a second rod (320). The second rod (320) is sleeved on the first rod (310). One end of the first rod (310) is located outside and rotatably connected to the handle bar (100). A first transmission member (920) is provided between one end of the first rod (310) and the handle bar (100). A first locking assembly (930) is provided between the first rod (310) and the second rod (320). The first locking assembly (930) locks the first rod (310) and the second rod (320), and the first locking assembly (930) is connected to the first transmission member (920); a rear foot bar group (400) rotatably connected to the end of the second rod (320) away from the handle bar (100). A linkage member (940) is rotatably connected to the rear foot bar group (400). The other end of the support bar (200) is connected to the linkage member (940). The rear foot bar group (400) is provided with a second locking assembly (950) connected to the linkage member (940). The second locking assembly (950) locks the linkage member (940) and the rear foot bar group (400). A second transmission member (960) connected to the second locking assembly (950) is provided at the other end of the support bar (200); a backrest bar group (500) connected to the linkage member (940); a seat bar group (600) rotatably connected to the backrest bar group (500). A first elastic member (970) is connected between the seat bar group (600) and the backrest bar group (500); a front foot bar group (700) rotatably connected to the rear foot bar group (400); a linkage bar group (800) slidably connected to the rear foot bar group (400). The support bar (200), the front foot bar group (700) and the seat bar group (600) are all rotatably connected to the linkage bar group (800). The linkage bar group (800) is connected to the second locking assembly (950). The second locking assembly (950) locks the linkage bar group (800) and the rear foot bar group (400), wherein, when the first unlocking assembly (110) drives the locking transmission assembly (910) to unlock the handle bar (100) and the support bar (200), and the handle bar (100) rotates forward by a preset angle relative to the support bar (200), The rotating hand lever (100) can drive the second transmission member (960) to act through the locking transmission assembly (910), so as to release the locking of the second locking assembly (950) on the linkage member (940) and the rear foot rod group (400), enabling the linkage member (940) to rotate relative to the rear foot rod group (400), and releasing the locking of the second locking assembly (950) on the linkage rod group (800) and the rear foot rod group (400), enabling the linkage rod group (800) to slide relative to the rear foot rod group (400). The rotating hand lever (100) can drive the first transmission member (920) to act, so as to release the locking of the first locking assembly (930) on the first rod (310) and the second rod (320), enabling the first rod (310) to extend and retract relative to the second rod (320). When the locking of the linkage member (940) and the rear foot rod group (400), the locking of the linkage rod group (800) and the rear foot rod group (400), and the locking of the first rod (310) and the second rod (320) are all released, the first elastic member (970) can drive the support rod (200), the telescopic rod group (300), the front foot rod group (700), the backrest rod group (500), and the seat rod group (600) to rotate towards the direction close to the rear foot rod group (400).

2. A baby stroller according to claim 1, wherein: The hand lever (100) is provided with a connecting end (120). One end of the support rod (200) is rotatably connected to the connecting end (120). The locking transmission assembly (910) is arranged between one end of the support rod (200) and the connecting end (120). One end of the first rod (310) is rotatably connected to the connecting end (120). The first transmission member (920) is arranged between one end of the first rod (310) and the connecting end (120). One end of the first rod (310) and one end of the support rod (200) are arranged on both sides of the connecting end (120).

3. A baby stroller according to claim 2, wherein: A first groove (121) is provided on one side of the connecting end (120). A first connecting shaft (122) and a first guiding inclined surface (123) are provided at the bottom of the first groove (121). One end of the support rod (200) is sleeved on the first connecting shaft (122). A second groove (210) opposite to the first groove (121) is provided at one end of the support rod (200). The locking transmission assembly (910) includes: A third transmission member (911), sleeved on the first connecting shaft (122), connected to the first unlocking assembly (110), and in contact with the first guiding inclined surface (123). The first slider member (912) is sleeved on the first connecting shaft (122). A part of the first slider member (912) is disposed in the first groove (121), and another part is disposed in the second groove (210) to lock the support rod (200) and the handle rod (100). The third transmission member (911) is located between the first slider member (912) and the connecting end portion (120); The second elastic member (913) is disposed between the first slider member (912) and one end portion of the support rod (200). The second elastic member (913) urges the first slider member (912) to abut against the third transmission member (911); The fourth transmission member (914) is sleeved on the first connecting shaft (122). The fourth transmission member (914) is located between one end portion of the support rod (200) and the first slider member (912). The fourth transmission member (914) is connected to the second transmission member (960), wherein, The first unlocking assembly (110) can drive the third transmission member (911) to rotate, so that the third transmission member (911) slides along the first guide inclined surface (123) to push against the first slider member (912), so that the first slider member (912) disengages from the first groove (121) to unlock the support rod (200) and the handle rod (100); The rotating handle rod (100) can drive the fourth transmission member (914) to rotate to drive the second transmission member (960) to act.

4. The stroller according to claim 2, wherein: On the other side of the connecting end portion (120), there is a second connecting shaft (124). One end portion of the first rod (310) is sleeved on the second connecting shaft (124). The first transmission member (920) is sleeved on the second connecting shaft (124), wherein, The rotating handle rod (100) can drive the first transmission member (920) to rotate to release the locking of the first locking assembly (930) on the first rod (310) and the second rod (320).

5. The stroller according to claim 1, wherein: The first unlocking assembly (110) includes: The second slider member (111) is slidably disposed on the handle rod (100). The second slider member (111) is connected to the locking transmission assembly (910); The first pressing member (112) is slidably disposed on the handle rod (100). The first pressing member (112) is provided with an abutting surface (112A). The abutting surface (112A) abuts against the second slider member (111), wherein, The first pressing member (112) can slide and push the second slider member (111) to slide through the abutting surface (112A). The sliding second slider member (111) can drive the locking transmission assembly (910) to unlock the handle rod (100) and the support rod (200).

6. The stroller according to claim 1, wherein: The other end of the first rod (310) is provided with a third groove (311), and the inner cavity wall of the second rod (320) is provided with a first locking hole (321). The first locking assembly (930) includes: A third slider member (931) slidably disposed in the third groove (311), and the third slider member (931) is connected to the first transmission member (920); A third elastic member (932) disposed between the bottom of the third groove (311) and the third slider member (931). The third elastic member (932) drives the third slider member (931) to extend out of the third groove (311) and be inserted into the first locking hole (321) to lock the first rod (310) and the second rod (320). Among them, The rotating hand lever (100) can drive the first transmission member (920) to act, so as to drive the third slider member (931) to retract into the third groove (311) and disengage from the first locking hole (321), releasing the lock between the first rod (310) and the second rod (320).

7. A baby carriage according to claim 1, wherein: The rear foot rod group (400) is provided with a third rod (410). The third rod (410) is provided with a rotating hole (411). The linkage member (940) is inserted into the rotating hole (411). The other end of the support rod (200) and the backrest rod group (500) are respectively disposed on both sides of the third rod (410). The linkage rod group (800) is slidably sleeved on the third rod (410), and the second locking assembly (950) is disposed on the third rod (410).

8. A baby carriage according to claim 7, wherein: The third rod (410) is provided with a first sliding hole (412) communicating with the rotating hole (411) and a second sliding hole (413) communicating with the first sliding hole (412). The hole wall of the first sliding hole (412) is provided with a first abutting block (412A). The linkage member (940) is provided with a locking notch (941). The linkage rod group (800) is provided with a second locking hole (811). The second locking assembly (950) includes: A fourth slider member (951) slidably disposed in the first sliding hole (412). The fourth slider member (951) is connected to the second transmission member (960). The fourth slider member (951) is provided with a first accommodating hole (951A) and a first avoiding hole (951B). The first abutting block (412A) passes through the first accommodating hole (951A), and the hole wall of the first avoiding hole (951B) is provided with a first guiding hole (951B1); The fourth elastic member (952) is disposed in the first accommodation hole (951A). Two end portions of the fourth elastic member (952) are respectively in contact with the hole wall of the first accommodation hole (951A) and the first abutting block (412A). The fourth elastic member (952) drives the fourth slider member (951) to be partially inserted into the locking notch (941) to lock the linkage member (940) and the rear foot rod group (400). The fifth slider member (953) is slidably disposed in the second sliding hole (413). The fifth slider member (953) passes through the first avoidance hole (951B). The fifth slider member (953) is provided with a second abutting block (953A). The second abutting block (953A) passes through the first guiding hole (951B1). The fifth slider member (953) passes through the second locking hole (811) to lock the linkage rod group (800) and the rear foot rod group (400). Among them, The rotating handle rod (100) can drive the second transmission member (960) to act through the locking transmission assembly (910), so as to drive the fourth slider member (951) to slide out of the locking notch (941) to unlock the locking of the linkage member (940) and the rear foot rod group (400), and drive the fourth slider member (951) to slide and push the second abutting block (953A), so that the fifth slider member (953) retracts into the second sliding hole (413) and disengages from the second locking hole (811) to unlock the locking of the linkage rod group (800) and the rear foot rod group (400).

9. The baby carriage according to claim 1, wherein: The backrest rod group (500) is rotatably connected to the linkage member (940). A third locking assembly (980) is provided between the backrest rod group (500) and the linkage member (940). The third locking assembly (980) locks the backrest rod group (500) and the linkage member (940). The backrest rod group (500) is provided with a second unlocking assembly (510). The second unlocking assembly (510) is connected to the third locking assembly (980). The second unlocking assembly (510) can drive the third locking assembly (980) to release the locking of the backrest rod group (500) and the linkage member (940).

10. The baby carriage according to claim 1, wherein: The rear foot rod group (400) is provided with an armrest rod member (990).

Images