A baby stroller that is easy to fold and store

Abstract

The present invention relates to a baby stroller that is easy to fold and store, comprising two symmetrically arranged first connecting shafts, one side of the first connecting shafts being hingedly connected to the second connecting shaft, the top end of the first connecting shaft being hingedly connected to a linkage shaft, a U-shaped armrest for driving the folding action being connected between the two linkage shafts, the U-shaped armrest being used as an armrest support for the baby, a crank connecting rod being hingedly connected between the bottom end of the U-shaped armrest and the first connecting shaft, the crank connecting rod being used to support the U-shaped armrest so that it remains in an upward state, and the two ends of the U-shaped armrest being hingedly connected to the linkage shaft respectively; this solves the problem in the prior art that although the baby stroller can be folded, the baby stroller lacks corresponding armrests to assist in the folding process, resulting in difficulty in operation when folding or unfolding and low practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of baby carriages, and in particular to a baby carriage that is convenient to fold and store. Background Art

[0002] A Chinese patent discloses a foldable stroller (publication number: CN205554279U). The patent includes a handlebar, a front wheel branch, and a rear wheel branch. The patent also includes a push tube hinged to the lower end of the handlebar, a pull rod fixed to the push tube, a first connecting rod hinged to the front wheel branch, the pull rod hinged to the first connecting rod, and the push tube and the bent tube are integrally formed. The patent also includes a second connecting rod, one end of which is hinged to the bent tube. Due to the above technical solution, the stroller can be folded and unfolded by simply pressing a switch at the top of the handlebar, which is simple and convenient to operate. At the same time, the safety armrest can also be automatically retracted and deployed, further reducing the size of the stroller after folding.

[0003] In the above patent, although the baby stroller can be folded, the baby stroller lacks corresponding armrests to assist in the folding process, resulting in difficulty in folding or unfolding, and has low practicality.

[0004] In order to solve the above-mentioned defects, a technical solution is now provided. Summary of the Invention

[0005] The technical problems to be solved by the present invention are as follows:

[0006] In the prior art, although the baby stroller can be folded, the baby stroller lacks corresponding armrests to assist in the folding process, resulting in difficulty in folding or unfolding and low practicality.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] The stroller is convenient for folding and storing. It includes two symmetrically arranged first connecting shafts, one side of the first connecting shaft is hingedly connected to the second connecting shaft, the top end of the first connecting shaft is hingedly connected to the linkage shaft, and a U-shaped armrest for driving the folding action is connected between the two linkage shafts. The U-shaped armrest can be used as an armrest support for the baby, and a crank connecting rod is hinged between the bottom end of the U-shaped armrest and the first connecting shaft, and the crank connecting rod can be used to support the U-shaped armrest to keep it in an upward state. The two ends of the U-shaped armrest are respectively hinged to the linkage shaft, and the end of the U-shaped armrest away from the first connecting shaft is hingedly connected to a telescopic cylinder, the middle part of the telescopic cylinder is penetrated by a telescopic shaft, and the telescopic cylinder is slidably arranged on the outer surface of the telescopic shaft, one end of the telescopic shaft is installed with a carrying mechanism for carrying the baby, and the other end of the telescopic shaft is installed with a supporting mechanism for supporting the baby.

[0009] Furthermore, a reinforcing rod is fixedly connected between the two first connecting shafts, and a first universal wheel is fixedly installed at the bottom ends of the two first connecting shafts.

[0010] Furthermore, a second universal wheel is fixedly mounted on the bottom end of the second connecting shaft, and a bottom plate for supporting the baby's feet is fixedly mounted between the two second connecting shafts.

[0011] Furthermore, the supporting mechanism includes a first U-shaped telescopic rod arranged between two telescopic shafts, and the two sides of the first U-shaped telescopic rod are respectively rotatably connected to the two telescopic shafts, and the end of the first U-shaped telescopic rod is telescopically provided with a first telescopic seat, and the two first telescopic seats are respectively rotatably arranged on the inner sides of the two second connecting shafts, and the first telescopic seat is hingedly connected to a rotating seat at one end away from the first U-shaped telescopic rod, and a telescopic spring is connected between the first U-shaped telescopic rod and the first telescopic seat.

[0012] Furthermore, a first connecting rod is fixedly connected between the two first U-shaped telescopic rods, and a second connecting rod is fixedly installed between the two rotating seats.

[0013] Furthermore, the support mechanism includes a second telescopic seat hingedly connected to the end of the telescopic shaft, a second U-shaped telescopic rod is connected between the two second telescopic seats, and both ends of the second U-shaped telescopic rod respectively pass through the two second telescopic seats and are slidably arranged inside the second telescopic seats.

[0014] Furthermore, a first U-shaped connecting rod is connected between the two telescopic shafts, and the two ends of the first U-shaped connecting rod are respectively hinged to the two telescopic shafts. A second U-shaped connecting rod is connected to the inner side of the second U-shaped telescopic rod, and the two ends of the second U-shaped connecting rod are respectively hinged to the two side walls inside the second U-shaped telescopic rod.

[0015] Beneficial effects of the present invention:

[0016] The present invention allows the user to grasp the U-shaped armrest with one hand and operate the second U-shaped telescopic rod with the other hand to rotate the support mechanism on the telescopic shaft, and then rotate the telescopic shaft in conjunction with the rotatable carrying mechanism and the two first telescopic seats respectively rotated on the inner sides of the two second connecting shafts to realize the overall unfolding or folding of the stroller. During operation, since a crank connecting rod is hingedly connected between the bottom end of the U-shaped armrest and the first connecting shaft, the crank connecting rod can be used to support the U-shaped armrest to keep it in an upward state. The crank connecting rod is used to ensure that the U-shaped armrest always remains in an upward state when the first connecting shaft and the second connecting shaft rotate relative to each other, thereby making it convenient for the user to grasp the U-shaped armrest to realize the unfolding and folding actions, thereby improving practicality.

[0017] By setting the supporting mechanism, the first telescopic seat is slidably set on the first U-shaped telescopic rod, which is convenient for adjusting the structural size of the baby carriage for carrying the baby to meet the use needs of babies of different ages. The telescopic spring can conveniently tension and position the position of the first telescopic seat on the first U-shaped telescopic rod. The first connecting rod and the second connecting rod can be used to support the curtain for placing the baby, and can also be used to strengthen the strength of the supporting mechanism. The first U-shaped telescopic rod is hinged on the telescopic shaft to achieve rapid folding of the supporting mechanism.

[0018] By setting up the supporting mechanism, the rotatable first U-shaped connecting rod and the second U-shaped connecting rod can support and fold the curtain, and the second U-shaped telescopic rod that can be telescoped inside the second telescopic seat can adjust the length of the second U-shaped telescopic rod to meet the usage needs of different users, and the second telescopic seat can be rotated on the telescopic shaft to realize rapid folding of the supporting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 It is a schematic diagram of the structure of the present invention in a folded state;

[0021] Figure 2 It is a schematic diagram of the structure of the present invention in an expanded state;

[0022] Figure 3 It is a schematic diagram of the structure of the present invention in a folded state;

[0023] Figure 4 In the present invention Figure 2 A magnified view of the structure at center A;

[0024] Figure 5 It is a structural schematic diagram of the carrying mechanism of the present invention;

[0025] Figure 6 It is a structural schematic diagram of the support mechanism in the present invention.

[0026] In the figure: 1. First connecting shaft; 2. Second connecting shaft; 3. Linkage shaft; 4. U-shaped handrail; 5. Telescopic cylinder; 6. Carrying mechanism; 7. Support mechanism; 11. First universal wheel; 21. Second universal wheel; 22. Bottom plate; 51. Telescopic shaft; 61. First U-shaped telescopic rod; 62. First telescopic seat; 63. Rotating seat; 64. Telescopic spring; 65. First connecting rod; 66. Second connecting rod; 71. Second telescopic seat; 72. Second U-shaped telescopic rod; 73. First U-shaped connecting rod; 74. Second U-shaped connecting rod. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] See also Figures 1-6 , the present invention provides a technical solution:

[0029] A baby stroller that is easy to fold and store, comprising two symmetrically arranged first connecting shafts 1, one side of the first connecting shaft 1 is hingedly connected to the second connecting shaft 2, the top of the first connecting shaft 1 is hingedly connected to a linkage shaft 3, a U-shaped armrest 4 for driving the folding action is connected between the two linkage shafts 3, the U-shaped armrest 4 can be used as an armrest support for the baby, a crank connecting rod is hingedly connected between the bottom end of the U-shaped armrest 4 and the first connecting shaft 1, the crank connecting rod can be used to support the U-shaped armrest 4 to keep it in an upward state, and the crank connecting rod is used to connect the first connecting shaft 1 and the second connecting shaft 2 When rotating, the U-shaped armrest 4 always remains in an upward position, so that the user can grab the U-shaped armrest 4 to realize the unfolding and folding action, thereby improving practicality. The two ends of the U-shaped armrest 4 are respectively hinged to the linkage shaft 3, and the end of the U-shaped armrest 4 away from the first connecting shaft 1 is hinged to the telescopic cylinder 5, and a telescopic shaft 51 is provided through the middle of the telescopic cylinder 5. The telescopic cylinder 5 is slidably provided on the outer surface of the telescopic shaft 51, and a carrying mechanism 6 for carrying the baby is installed at one end of the telescopic shaft 51, and a supporting mechanism 7 for supporting the baby is installed at the other end of the telescopic shaft 51.

[0030] A reinforcing rod is fixedly connected between the two first connecting shafts 1 , and a first universal wheel 11 is fixedly mounted on the bottom ends of the two first connecting shafts 1 .

[0031] A drive shaft is connected to the axis of the two first universal wheels 11, and a pedal is fixedly installed on the top of the drive shaft. By stepping on the pedal, the drive shaft is driven to rotate, thereby locking the first universal wheels 11 and ensuring the stability of the stroller during use.

[0032] A second universal wheel 21 is fixedly mounted on the bottom end of the second connecting shaft 2 , and a bottom plate 22 for supporting the baby's feet is fixedly mounted between the two second connecting shafts 2 .

[0033] The supporting mechanism 6 includes a first U-shaped telescopic rod 61 disposed between the two telescopic shafts 51. Both sides of the first U-shaped telescopic rod 61 are rotatably connected to the two telescopic shafts 51. A first telescopic seat 62 is telescopically disposed at the end of the first U-shaped telescopic rod 61. The two first telescopic seats 62 are rotatably disposed inside the two second connecting shafts 2. One end of the first telescopic seat 62, distal from the first U-shaped telescopic rod 61, is hingedly connected to a rotating seat 63. A telescopic spring 64 is connected between the first U-shaped telescopic rod 61 and the first telescopic seat 62. The first telescopic seat 62 is slidably disposed on the first U-shaped telescopic rod 61, facilitating adjustment of the baby carriage's structural dimensions to meet the needs of infants of different ages. The telescopic spring 64 facilitates tensioning and positioning of the first telescopic seat 62 on the first U-shaped telescopic rod 61.

[0034] A first connecting rod 65 is fixedly connected between the two first U-shaped telescopic rods 61, and a second connecting rod 66 is fixedly installed between the two rotating seats 63. The first connecting rod 65 and the second connecting rod 66 can be used to support the curtain for placing the baby and can also be used to strengthen the strength of the supporting mechanism 6.

[0035] The support mechanism 7 includes a second telescopic seat 71 hingedly connected to the end of the telescopic shaft 51, and a second U-shaped telescopic rod 72 is connected between the two second telescopic seats 71. The two ends of the second U-shaped telescopic rod 72 respectively pass through the two second telescopic seats 71 and are slidably arranged inside the second telescopic seats 71.

[0036] A first U-shaped connecting rod 73 is connected between the two telescopic shafts 51. Its two ends are hingedly connected to the two telescopic shafts 51. A second U-shaped connecting rod 74 is connected to the inner side of the second U-shaped telescopic rod 72. Its two ends are hingedly connected to the inner side walls of the second U-shaped telescopic rod 72. The rotatable first and second U-shaped connecting rods 73 and 74 enable the curtain to be supported and folded. The second U-shaped telescopic rod 72, which is retractable within the second telescopic base 71, allows the length of the second U-shaped telescopic rod 72 to be adjusted to meet the needs of different users.

[0037] When working, the user can hold the U-shaped armrest 4 with one hand and operate the second U-shaped telescopic rod 72 with the other hand to make the support mechanism 7 rotate on the telescopic shaft 51, and then rotate the telescopic shaft 51, cooperate with the rotatable carrying mechanism 6, and cooperate with the two first telescopic seats 62 to rotate respectively on the inner sides of the two second connecting shafts 2 to realize the overall unfolding or folding of the baby stroller. During operation, since the bottom end of the U-shaped armrest 4 is hinged to the first connecting shaft 1 with a crank connecting rod, the crank connecting rod can be used to support the U-shaped armrest 4 to keep it in an upward state. The crank connecting rod is used to ensure that the U-shaped armrest 4 always remains in an upward state when the first connecting shaft 1 and the second connecting shaft 2 rotate relative to each other, thereby making it convenient for the user to grasp the U-shaped armrest 4 to realize the unfolding and folding actions, thereby improving practicality.

[0038] By setting the supporting mechanism 6, the first telescopic seat 62 is slidably set on the first U-shaped telescopic rod 61, which is convenient for adjusting the structural dimensions of the baby carriage for carrying the baby to meet the use needs of babies of different ages. The telescopic spring 64 can conveniently tension and position the position of the first telescopic seat 62 on the first U-shaped telescopic rod 61. The first connecting rod 65 and the second connecting rod 66 can be used to support the curtain for placing the baby, and can also be used to strengthen the strength of the supporting mechanism 6. The first U-shaped telescopic rod 61 is hinged on the telescopic shaft 51 to achieve rapid folding of the supporting mechanism 6.

[0039] Through the setting of the support mechanism 7, the rotatable first U-shaped connecting rod 73 and the second U-shaped connecting rod 74 can support and fold the curtain, and the second U-shaped telescopic rod 72 that can be telescoped inside the second telescopic seat 71 can adjust the length of the second U-shaped telescopic rod 72 to meet the usage needs of different users, and the second telescopic seat 71 can be rotated on the telescopic shaft 51 to achieve rapid folding of the support mechanism 7.

[0040] Working principle:

[0041] When the present invention is in use, the user can grasp the U-shaped armrest 4 with one hand and operate the second U-shaped telescopic rod 72 with the other hand to rotate the support mechanism 7 on the telescopic shaft 51, and then rotate the telescopic shaft 51 in conjunction with the rotatable carrying mechanism 6, and the two first telescopic seats 62 respectively rotated on the inner sides of the two second connecting shafts 2 to realize the overall unfolding or folding of the baby stroller. During operation, since the bottom end of the U-shaped armrest 4 is hingedly connected to the first connecting shaft 1 with a crank connecting rod, the crank connecting rod can be used to support the U-shaped armrest 4 to keep it in an upward state. The crank connecting rod is used to ensure that the U-shaped armrest 4 always remains in an upward state when the first connecting shaft 1 and the second connecting shaft 2 rotate relative to each other, thereby making it convenient for the user to grasp the U-shaped armrest 4 to realize the unfolding and folding actions, thereby improving practicality.

[0042] By setting the supporting mechanism 6, the first telescopic seat 62 is slidably set on the first U-shaped telescopic rod 61, which is convenient for adjusting the structural dimensions of the baby carriage for carrying the baby to meet the use needs of babies of different ages. The telescopic spring 64 can conveniently tension and position the position of the first telescopic seat 62 on the first U-shaped telescopic rod 61. The first connecting rod 65 and the second connecting rod 66 can be used to support the curtain for placing the baby, and can also be used to strengthen the strength of the supporting mechanism 6. The first U-shaped telescopic rod 61 is hinged on the telescopic shaft 51 to achieve rapid folding of the supporting mechanism 6.

[0043] Through the setting of the support mechanism 7, the rotatable first U-shaped connecting rod 73 and the second U-shaped connecting rod 74 can support and fold the curtain, and the second U-shaped telescopic rod 72 that can be telescoped inside the second telescopic seat 71 can adjust the length of the second U-shaped telescopic rod 72 to meet the usage needs of different users, and the second telescopic seat 71 can be rotated on the telescopic shaft 51 to achieve rapid folding of the support mechanism 7.

[0044] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A baby stroller that is convenient to fold and store, comprising two symmetrically arranged first connecting shafts (1), characterized in that: One side of the first connecting shaft (1) is hingedly connected to the second connecting shaft (2), the top end of the first connecting shaft (1) is hingedly connected to a linkage shaft (3), a U-shaped armrest (4) for driving the folding action is connected between the two linkage shafts (3), the U-shaped armrest (4) can be used as an armrest support for the baby, a crankshaft connecting rod is hingedly connected between the bottom end of the U-shaped armrest (4) and the first connecting shaft (1), the crankshaft connecting rod can be used to support the U-shaped armrest (4) to keep it in an upward state, the The two ends of the U-shaped handrail (4) are respectively hingedly connected to the linkage shaft (3); the end of the U-shaped handrail (4) away from the first connection shaft (1) is hingedly connected to a telescopic cylinder (5); a telescopic shaft (51) is provided through the middle of the telescopic cylinder (5); the telescopic cylinder (5) is slidably provided on the outer surface of the telescopic shaft (51); a bearing mechanism (6) for bearing a baby is installed at one end of the telescopic shaft (51); and a supporting mechanism (7) for supporting the baby is installed at the other end of the telescopic shaft (51); A reinforcing rod is fixedly connected between the two first connecting shafts (1), and a first universal wheel (11) is fixedly mounted on the bottom ends of the two first connecting shafts (1); The bearing mechanism (6) comprises a first U-shaped telescopic rod (61) arranged between two telescopic shafts (51), both sides of the first U-shaped telescopic rod (61) are rotatably connected to the two telescopic shafts (51), and the end of the first U-shaped telescopic rod (61) is telescopically provided with a first telescopic seat (62), and the two first telescopic seats (62) are rotatably arranged on the inner sides of the two second connecting shafts (2), respectively. One end of the first telescopic seat (62) away from the first U-shaped telescopic rod (61) is hingedly connected to a rotating seat (63), and a telescopic spring (64) is connected between the first U-shaped telescopic rod (61) and the first telescopic seat (62).

2. A baby stroller that is convenient to fold and store according to claim 1, characterized in that: A second universal wheel (21) is fixedly mounted on the bottom end of the second connecting shaft (2), and a bottom plate (22) for supporting the baby's feet is fixedly mounted between the two second connecting shafts (2).

3. The baby stroller that is convenient to fold and store according to claim 1, characterized in that: A first connecting rod (65) is fixedly connected between the two first U-shaped telescopic rods (61), and a second connecting rod (66) is fixedly installed between the two rotating seats (63).

4. The baby stroller that is convenient to fold and store according to claim 1, characterized in that: The support mechanism (7) comprises a second telescopic seat (71) hingedly connected to the end of the telescopic shaft (51); a second U-shaped telescopic rod (72) is connected between the two second telescopic seats (71); both ends of the second U-shaped telescopic rod (72) respectively pass through the two second telescopic seats (71) and are slidably arranged inside the second telescopic seats (71).

5. The baby stroller that is convenient to fold and store according to claim 4, characterized in that: A first U-shaped connecting rod (73) is connected between the two telescopic shafts (51), and the two ends of the first U-shaped connecting rod (73) are respectively hinged to the two telescopic shafts (51). A second U-shaped connecting rod (74) is connected to the inner side of the second U-shaped telescopic rod (72), and the two ends of the second U-shaped connecting rod (74) are respectively hinged to the inner side walls of the second U-shaped telescopic rod (72).

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