CN110116746B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN110116746B CN110116746B CN201910331855.5A CN201910331855A CN110116746B CN 110116746 B CN110116746 B CN 110116746B CN 201910331855 A CN201910331855 A CN 201910331855A CN 110116746 B CN110116746 B CN 110116746B
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- Prior art keywords
- frame
- sliding support
- backrest
- flexible belt
- seat
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- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
Abstract
The invention discloses a child stroller, wherein one end of a flexible belt is fixedly connected to an upper backrest, the other end of the flexible belt is fixedly connected to a main body structure, a sliding support part is arranged on the main body structure, the flexible belt comprises a first section from one end of the flexible belt to the position of the sliding support part and a second section from the position of the sliding support part to the other end of the flexible belt, and when a frame is in an open state, a first included angle is formed between the upper backrest and a lower backrest; when the frame is folded, the flexible belt and the sliding support part slide relatively, the second section of the flexible belt grows and the first section of the flexible belt shortens, so that the flexible belt pulls the upper backrest to rotate relative to the lower backrest; when the frame is in a folded state, a second included angle smaller than the first included angle is formed between the upper backrest and the lower backrest, and the upper backrest is pulled by the flexible belt to be kept at a position forming the second included angle with the lower backrest. The upper backrest does not need to be manually rotated; and after the frame is folded, the upper backrest is prevented from being unfolded again in the carrying process.
Description
Technical Field
The invention relates to a child stroller.
Background
The child cart is a very useful child walker which is folded for easy storage and portability when not in use. The stroller comprises an openable and foldable frame, wheels connected to the bottom of the frame, a seat assembly connected to the frame, and a locking device for maintaining the frame in an open position, wherein the seat assembly comprises a seat plate and a backrest. In order to make the volume of the baby carriage after folding smaller, one backrest structure in the prior art is designed into a lower backrest and an upper backrest which can rotate relatively, when the baby carriage is opened, the lower backrest and the upper backrest are opened relatively, and when the baby carriage is folded, the lower backrest and the upper backrest are closed relatively. However, in the prior art, when the whole vehicle is folded, besides the folding operation of the frame, the upper backrest is required to be rotated to be close to the lower backrest, one more operation step is needed, and when the whole vehicle is in a folded state, a limiting mechanism is not arranged between the upper backrest and the lower backrest, so that the upper backrest can shake at any time or the angle of the whole vehicle can be changed to be opened relative to the lower backrest in the moving process.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a child stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme: the main body structure comprises an openable and foldable frame, a seat connected to the frame, a lower backrest with the lower part movably connected to the rear part of the seat, an upper backrest with the lower part rotatably connected to the upper part of the lower backrest, and a flexible belt with one end fixedly connected to the upper backrest and the other end fixedly connected to the main body structure, wherein the main body structure is provided with a sliding support part which can relatively slidably support the flexible belt, the flexible belt comprises a first section from one end of the flexible belt to the position of the sliding support part and a second section from the position of the sliding support part to the other end of the flexible belt,
when the frame is in an open state, a first included angle is formed between the upper backrest and the lower backrest; when the frame transits from the open state to the folded state, the flexible belt and the sliding support part slide relatively, the second section of the flexible belt grows and the first section of the flexible belt shortens, so that the flexible belt pulls the upper backrest to rotate relative to the lower backrest; when the frame is in a folded state, a second included angle smaller than the first included angle is formed between the upper backrest and the lower backrest, and the upper backrest is pulled by the flexible belt to be kept at a position forming the second included angle with the lower backrest.
Further, the main structure is provided with a fixed connection part fixedly connected with the other end of the flexible belt, the fixed connection part and the sliding support part are respectively arranged on two different parts in the main structure, the two parts move relatively in the process of transition from the open state to the folded state when the frame is in the process of transition from the open state to the folded state, and the sliding support part is far away from the other end of the flexible belt when the frame is in the process of transition from the open state to the folded state.
Optionally, the fixed connection is provided on the frame and the sliding support is provided on the seat or the lower back.
Optionally, the fixed connection is disposed on the seat or the lower back and the sliding support is disposed on the frame.
Optionally, the main body structure further comprises a cloth cover at least covering the seat, the fixed connection part is arranged on the frame, and the sliding support part is arranged on the cloth cover.
The invention also provides another technical scheme: a baby carriage comprises a main body structure, wherein the main body structure comprises a frame which can be unfolded and folded, a seat which is connected on the frame and can generate relative motion with the frame when the frame is folded, a lower backrest with the lower part movably connected with the rear part of the seat, an upper backrest with the lower part rotatably connected with the upper part of the lower backrest, a flexible belt with one end connected with the upper backrest and the other end connected with the seat or the frame,
when the frame is in an open state, a first included angle is formed between the upper backrest and the lower backrest; when the frame transits from the open state to the folded state, the seat and the frame move relatively, so that the flexible belt pulls the upper backrest to rotate relatively to the lower backrest; when the frame is in a folded state, a second included angle smaller than the first included angle is formed between the upper backrest and the lower backrest, and the upper backrest is pulled by the flexible belt to be kept at a position forming the second included angle with the lower backrest.
One of the seat and the frame is provided with a first sliding support part which can form a relatively sliding support for the flexible belt, the other one of the seat and the frame is provided with a fixed connection part, the other end of the flexible belt is movably connected with the fixed connection part after passing through the first sliding support part, and the distance between the first sliding support part and the fixed connection part when the frame is in a folding state is larger than the distance between the first sliding support part and the fixed connection part when the frame is in an opening state.
Still further, in one embodiment, the first sliding support is disposed on the seat, the fixed connection is disposed on the frame, and the first sliding support is located rearward of the fixed connection. In another embodiment, the first sliding support is disposed on the frame, the fixed connection is disposed on the seat, and the first sliding support is located in front of the fixed connection. More specifically, the seat is provided with a second sliding support part, the second sliding support part is positioned behind the fixed connecting part, and the other end of the flexible belt is movably connected with the fixed connecting part after passing through the second sliding support part and then the first sliding support part.
Further, the first sliding support is provided with a through hole through which the flexible belt can be slidably penetrated.
Further, the angle between the lower back and the seat when the frame is in the unfolded state is greater than the angle between the lower back and the seat when the frame is in the folded state. Further, when the frame is in the open state, the lower back is in the same direction as the seat.
Further, as the frame transitions from the open to the collapsed condition, the flexible strap pulls the upper back forward and downward to approach the lower back.
Further, the seat and the frame are connected in a relatively rotatable and relatively slidable manner, and when the frame is in transition from the unfolded state to the folded state, the seat slides backwards relative to the frame, and the rear part of the seat rotates downwards relative to the frame.
By adopting the technical scheme, the child stroller is provided with the flexible belts and the connection relation between the flexible belts and the frame and the seat, and when the frame is folded, the upper backrest is pulled to rotate relative to the lower backrest by utilizing the length change between the two sections of flexible belts, so that the upper backrest and the lower backrest can be folded along with the folding of the frame at the same time, and the upper backrest does not need to be manually rotated; and after the frame is folded, the flexible belt can always tighten the upper backrest, so that the upper backrest is prevented from being turned over again in the carrying process.
Drawings
FIG. 1 is a schematic view of a child stroller in an open position according to an embodiment of the present invention;
FIG. 2 is a schematic view of the child stroller of FIG. 1 during folding;
FIG. 3 is a schematic view of the child stroller of FIG. 1 in a collapsed configuration;
fig. 4 is a schematic structural view of a child stroller in an open state according to a second embodiment of the present invention;
FIG. 5 is a schematic view of the child stroller of FIG. 4 in a collapsed configuration;
FIG. 6 is a schematic view of a child stroller in an open position according to a third embodiment of the present invention;
fig. 7 is a schematic view of the child stroller of fig. 6 in a collapsed configuration.
The reference numerals in the figures are:
1. a frame; 11. an upper push rod; 12. a push rod is downwards pushed; 13. a rear stay; 14. a front bracket; 15. a rear bracket; 16. a front link; 17. a rear connecting rod; 18. a sliding sleeve; 2. a wheel; 3. a seat; 4. a lower back; 5. an upper backrest; 6. a flexible belt; 7. a first sliding support; 8. a fixed connection part; 9. and a second sliding support.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.
To overcome the drawbacks of the prior art, the present invention provides a stroller comprising a main body structure including an openable and foldable frame 1, a seat 3 connected to the frame 1, and a lower backrest 4 having a lower portion movably connected to a rear portion of the seat 3. The child stroller further comprises an upper backrest 5, one end of which is fixedly connected to the upper backrest 5 and the other end of which is fixedly connected to a main structure, wherein the main structure is provided with a sliding support part which is capable of supporting the belt body between the two ends of the flexible belt 6 in a relatively sliding manner, and the flexible belt 6 comprises a first section 61 from one end of the flexible belt to the sliding support part and a second section 62 from the sliding support part to the other end of the flexible belt 6.
When the frame 1 is in an open state, a first included angle is formed between the upper backrest 5 and the lower backrest 4; when the frame 1 transits from the open state to the folded state, the flexible belt 6 and the sliding support part slide relatively, the second section 62 of the flexible belt 6 grows and the first section 61 becomes shorter, so that the flexible belt 6 pulls the upper backrest 5 to rotate relative to the lower backrest 4; when the frame 1 is in the folded state, a second included angle smaller than the first included angle is formed between the upper backrest 5 and the lower backrest 4, the second section 62 of the flexible belt 6 grows when being in the open state relative to the frame, the first section 61 shortens when being in the open state relative to the frame, and the upper backrest 5 is pulled by the flexible belt 6 to be kept at a position forming the second included angle with the lower backrest 4.
More specifically, the main structure is provided with a fixed connection part 8 fixedly connected with the other end of the flexible belt 6, the fixed connection part 8 and the sliding support part are respectively arranged on two different parts in the main structure, and the two parts move relatively during the transition of the frame 1 from the open state to the folded state. The sliding support is away from the other end of the flexible band 6 when the frame 1 transitions from the unfolded state to the folded state. The specific setting positions of the fixed connection part 8 and the sliding support part are as follows: the fixed connection part 8 is arranged on the frame 1, and the sliding support part is arranged on the seat 3 or the lower backrest 4; the fixed connection part 8 is arranged on the seat 3 or the lower backrest 4, and the sliding support part is arranged on the frame 1; thirdly, the main body structure further comprises a cloth cover 31 at least sleeved on the seat 3, the fixed connection part 8 is arranged on the frame 1, and the sliding support part is arranged on the cloth cover 31; four, the fixed connection part 8 and the sliding support part are respectively arranged on two different parts in the frame 1.
The working principle of the child stroller is as follows: when the frame 1 is folded, along with the relative movement between different parts in the main structure, the distance between the sliding support part and the fixed connection part 8 is increased, and the flexible belt 6 and the sliding support part generate relative sliding, so that the part between the other end (i.e. the fixed connection part 8) of the flexible belt 6 and the sliding support part is increased, i.e. the second section 62 of the flexible belt 6 is increased, the part between the one end (i.e. the connection part with the upper backrest 5) of the flexible belt 6 and the sliding support 7 is decreased, i.e. the first section 61 of the flexible belt 6 is decreased, and the upper backrest 5 is pulled to rotate downwards to the backrest 4, and the angle formed between the two parts is decreased. When the frame 1 is fully folded, the relative position between the sliding support and the fixed connection part 8 is not changed, so that the length of the second section 62 of the flexible belt 6 is unchanged, and correspondingly, the length of the first section 61 of the flexible belt 6 is unchanged, and the upper backrest 5 is pulled, so that the upper backrest 5 is kept at a second angle with the lower backrest 4, and the upper backrest 5 is folded relatively and cannot be towed on the ground when the stroller is in a folded state.
Regarding the specific arrangement positions of the fixed connection portion 8 and the slide support, and the specific connection relationship between the respective components, the following are exemplified:
example 1
As can be seen from the structural schematic diagrams of fig. 1 to 3, the stroller in this embodiment comprises a main body structure including an openable and foldable frame 1, a locking device for maintaining the frame 1 in an open state, a seat 3 attached to the frame 1, and a lower backrest 4 rotatably attached to the rear portion of the seat 3 at the lower portion, and wheels 2 attached to the bottom of the frame 1, which are relatively movable with respect to the frame 1 when the frame 1 is folded.
The child car further comprises an upper backrest 5, the lower part of which is rotatably connected with the upper part of the lower backrest 4, a flexible belt 6, one end of which is connected to the upper backrest 5 and the other end of which is connected to the seat 3 or the frame 1. When the frame 1 is in the open state, a first included angle is formed between the upper backrest 5 and the lower backrest 4, more specifically, an obtuse angle is formed between the lower backrest 4 and the seat 3, and the extending direction of the upper backrest 5 is the same as that of the lower backrest 4; when the frame 1 is in transition from the open state to the folded state, the frame 1 is folded to enable the seat 3 and the frame 1 to generate relative movement, the relative movement between the seat 3 and the frame 1 drives the flexible belt 6, so that the flexible belt 6 pulls the upper backrest 5 to rotate relative to the lower backrest 4, and in the embodiment, the flexible belt 6 pulls the upper backrest 5 to rotate forwards and downwards to be close to the lower backrest 4; when the frame 1 is in the folded state, a second included angle smaller than the first included angle is formed between the upper backrest 5 and the lower backrest 4, and the upper backrest 5 is pulled by the flexible belt 6 to be kept at a position forming the second included angle with the lower backrest 4, in this embodiment, the upper backrest 5 and the lower backrest 4 are close to each other, more specifically, an angle formed between the lower backrest 4 and the seat 3 when the frame 1 is in the unfolded state is larger than an angle formed between the lower backrest 4 and the seat 3 when the frame 1 is in the folded state.
One of the seat 3 and the frame 1 is provided with a first sliding support 7 which can form a relatively slidable support for the flexible belt 6, i.e. the sliding support described above, and the other is provided with a fixed connection 8, and the other end of the flexible belt 6 is movably connected to the fixed connection 8 after passing through the first sliding support 7.
The distance between the first sliding support 7 and the fixed connection 8 when the frame 1 is in the folded state is greater than the distance between the first sliding support 7 and the fixed connection 8 when the frame 1 is in the unfolded state. When the frame 1 is folded, the seat 3 and the frame 1 generate relative movement, so that the distance between the first sliding support part 7 and the fixed connection part 8 is increased, the flexible belt 6 is pulled, the part between the other end (i.e. the fixed connection part 8) of the flexible belt 6 and the first sliding support part 7 is prolonged, i.e. the second section 62 of the flexible belt 6 is prolonged, the part between the one end (i.e. the connection part with the upper backrest 5) of the flexible belt 6 and the first sliding support part 7 is shortened, i.e. the first section 61 of the flexible belt 6 is shortened, and the upper backrest 5 is pulled to rotate towards the lower backrest 4.
The specific connection relationship between the seat 3 and the frame 1 is that, during the folding process of the frame 1, the seat 3 and the frame 1 can generate relative motion, and the distance between the first sliding support 7 and the fixed connection part 8 can be increased, and the seat 3 and the frame 1 can be connected in a sliding manner, or in a rotating manner, or in this embodiment, the seat 3 and the frame 1 can be connected in a relatively rotating manner, when the frame 1 is in an open state, the middle part of the seat 3 is connected with the frame 1, during the folding process, the seat 3 slides backwards relative to the frame 1, and the rear part of the seat 3 rotates downwards relative to the frame 1, and when the frame 1 is in a folded state, the front part of the seat 3 is connected with the frame 1. The specific structure of the frame 1 is not the invention point of the present application, and it is not specifically described herein, and a suitable structure in the prior art may be adopted according to practical situations, and fig. 1-3 give a structural example of the frame 1.
In the present embodiment shown in fig. 1 to 3, the first sliding support 7 is provided on the seat 3, the fixed connection 8 is provided on the frame 1, and the first sliding support 7 is located behind the fixed connection 8. Specifically, the first sliding support 7 is disposed at the rear of the seat 3 and near the lower backrest 5, so that the first section 61 of the flexible belt 6 can be disposed along the lower backrest 5, and thus, the appearance can be more concise and attractive, and the flexible belt 6 can be prevented from being collided by mistake. Preferably, the first sliding support 7 is a through hole through which the flexible strap 6 is slidably disposed, and in another embodiment, the flexible strap 6 may be wound around the rear side of the seat 3 to be in sliding contact with the rear side surface of the seat 3, and then the portion of the seat 3 in sliding contact with the flexible strap 6 is the first sliding support 7. Since the upper backrest 5 is rotated forward when the frame 1 is folded in this embodiment, the first sliding support 7 is disposed in front of the lower backrest 5, and in another embodiment, the upper backrest 5 is rotated backward when the frame 1 is folded, and the first sliding support 7 is disposed behind the lower backrest 5. The specific position of the fixed connection part 8 is arranged near the connection part of the frame 1 and the seat 3, so that the second section 62 of the flexible belt 6 can be arranged along the seat 3 when the frame 1 is in an open state and a folded state, and therefore, the appearance is more concise and attractive, and the flexible belt 6 can be prevented from being collided by mistake. The fixed connection 8 may be any structure in the prior art, so that the flexible strap 6 can be relatively fixedly connected to the fixed connection 8.
Preferably, the flexible belts 6 are arranged on the left side and the right side of the baby carriage respectively.
In the embodiment, the working principle of the child stroller is as follows:
when the frame 1 is folded, the seat 3 and the frame 1 can be moved relatively by manual operation, and a transmission mechanism can be additionally arranged between the seat 3 and the frame 1, so that the frame 1 is folded to drive the seat 3 and the frame 1 to move relatively. During the folding process of the frame 1, the seat 3 slides backwards and simultaneously the rear part thereof rotates downwards, so that the distance between the first sliding support part 7 positioned at the rear part of the seat 3 and the fixed connection part 8 positioned on the frame 1 is increased, and during the moving process of the seat 3, the flexible belt 6 slides relatively in the first sliding support part 7, so that the second section 62 of the flexible belt 6 is increased in length, thereby shortening the first section 61 of the flexible belt 6 and further pulling the upper backrest 5 to rotate downwards the backrest 4. When the frame 1 is fully folded, the relative position of the seat 3 and the frame 1 is unchanged, so that the length of the second section 62 of the flexible belt 6 is unchanged, correspondingly, the length of the first section 61 of the flexible belt 6 is unchanged, and the upper backrest 5 is pulled, so that the upper backrest 5 is kept at a second included angle with the lower backrest 4, and the upper backrest 5 is relatively folded without being towed on the ground when the stroller is in a folded state.
Example two
Referring to fig. 4 to 5, the child cart in this embodiment differs from the first embodiment only in that: the positions of the first sliding support 7 and the fixed connection 8 are set differently.
In this embodiment, the first sliding support 7 is disposed on the frame 1, the fixed connection 8 is disposed on the seat 3, and the first sliding support 7 is located in front of the fixed connection 8.
Specifically, the first sliding support 7 is disposed near the connection between the frame 1 and the seat 3, so that the second section 62 of the flexible belt 6 can be disposed along the seat 3 in the unfolded state and the folded state of the frame 1, which can make the appearance more compact and beautiful and avoid the flexible belt 6 from being collided by mistake. The first sliding support 7 may be a through hole through which the flexible belt 6 is slidably disposed as in the first embodiment, or may be a first sliding support 7 in which the flexible belt 6 bypasses a rod extending from left to right on the frame 1 and the flexible belt 6 is in sliding contact with the outer surface of the rod, as in the present embodiment.
The fixed connection 8 in this embodiment is provided at the rear of the seat 3.
Preferably, the seat 3 is provided with a second sliding support 9, the second sliding support 9 is located at the rear of the fixed connection part 8, and the other end of the flexible belt 6 is movably passed through the second sliding support 9 and then movably passed through the first sliding support 7 and then connected with the fixed connection part 8. The second sliding support 9 serves as a guide for the flexible band 6. Specifically, the second sliding support 9 is disposed at the rear portion of the seat 3, preferably at the rear portion of the fixed connection portion 8, and is close to the lower backrest 5, and the second sliding support 9 mainly plays a role in limiting and guiding the first section 6 of the flexible belt 6, and the first section 61 of the flexible belt 6 is subdivided into two parts by the arrangement of the second sliding support 9, wherein one part (defined as a first part) is disposed along the lower backrest 5, and the other part (defined as a second part) is disposed along the seat 3, so that the appearance can be more concise and attractive, and the flexible belt 6 can be prevented from being collided by mistake. Since the upper backrest 5 is rotated forward when the frame 1 is folded in this embodiment, the second sliding support 9 is disposed in front of the lower backrest 5, and in another embodiment, the upper backrest 5 is rotated backward when the frame 1 is folded, and the second sliding support 9 is disposed behind the lower backrest 5. The second sliding support 9 is a through hole through which the flexible belt 6 can be slidably inserted.
The working principle of the child stroller in this embodiment is as follows:
during folding of the frame 1, the seat 3 slides backward while its rear part rotates downward, so that the distance between the first sliding support 7 at the rear part of the seat 3 and the fixed connection part 8 on the frame 1 becomes larger, during movement of the seat 3, the flexible belt 6 slides relatively in the first sliding support 7 and the second sliding support 9, so that the second section 62 of the flexible belt 6 becomes longer, so that the first section 61 of the flexible belt 6 becomes shorter, and the upper backrest 5 is pulled to rotate downward, and further, in this embodiment, since the second sliding support 9 is also provided, the second section 62 of the flexible belt 6 and the second part of the first section 61 become longer during movement of the seat 3, so that the displacement amount of the end of the flexible belt 6 connected to the upper backrest 5 is larger, and thus the second angle is smaller. When the frame 1 is fully folded, the relative positions of the seat 3 and the frame 1 are unchanged, so that the lengths of the second section 62 and the first section 61 of the flexible belt 6 are kept unchanged, and the upper backrest 5 is pulled, so that the upper backrest 5 is kept at a second angle with the lower backrest 4, and the upper backrest 5 is folded relatively without being towed on the ground when the stroller is in a folded state.
Example III
Referring to fig. 6 and 7, the child cart in this embodiment differs from the first embodiment only in that: the position of the first sliding support 7 is set differently. The main structure of this embodiment further comprises a cloth cover 31 that covers at least the seat 3, and more preferably, the cloth cover 31 covers the seat 3, the lower back 4 and the upper back 5. The first sliding support in this embodiment is disposed on the cloth cover 31, specifically, the flexible belt 3 is disposed on the inner side of the cloth cover 31, the first section 61 is disposed between the lower back rest 4 and the cloth cover 31, the second section 62 is disposed between the seat 3 and the cloth cover 31, the corner formed between the seat 3 and the lower back rest 4 by the flexible belt 6 is limited by the cloth cover 31 and is in sliding contact with the inner surface of the cloth cover 31, and the portion of the cloth cover 31 in sliding contact with the flexible belt 6 is the first sliding support 7.
The working principle of the child stroller in this embodiment is basically the same as that of the first embodiment.
Example IV
In this embodiment, a concrete structure of a vehicle frame 1 is given as an example, and as shown in fig. 1, the vehicle frame comprises an upper push rod 11, a lower push rod 12 with an upper portion rotatably connected to the upper push rod 11, a rear stay 13 with an upper portion rotatably connected to a lower portion of the upper push rod 11, a front bracket 14 with an upper portion rotatably connected to a lower portion of the lower push rod 12, a rear bracket 15 with an upper portion rotatably connected to a rotational connection portion of the front bracket 14 and the lower portion of the lower push rod 12, a front link 16 with a front portion rotatably connected to a rear portion of the front link 16 and a rear portion rotatably connected to a lower portion of the rear bracket 15, a slide sleeve 18 slidably provided on the rear link 17 and rotatably connected to a lower portion of the rear stay 13, and bottoms of the front bracket 14 and the rear bracket 15 are respectively connected to wheels 2.
According to the child stroller, the flexible belts and the connection relation between the flexible belts and the frame and the seat are additionally arranged, when the frame is folded, the upper backrest is pulled to rotate relative to the lower backrest by utilizing the length change between the two sections of flexible belts, so that the upper backrest and the lower backrest can be folded along with the folding of the frame at the same time, and the upper backrest does not need to be manually rotated; and after the frame is folded, the flexible belt can always tighten the upper backrest, so that the upper backrest is prevented from being turned over again in the carrying process, and the length of the upper backrest is not occupied in the vertical direction after the folding, so that the folding volume is reduced.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (12)
1. The utility model provides a children's shallow, includes major structure, major structure include openable and folding frame (1), connect seat (3) on frame (1), lower back (4) that the lower part is movably connected in the rear portion of seat (3), its characterized in that: the baby carriage also comprises an upper backrest (5) with the lower part rotationally connected with the upper part of the lower backrest (4), and a flexible belt (6) with one end fixedly connected with the upper backrest (5) and the other end fixedly connected with the main body structure, wherein the main body structure is provided with a sliding support part which can relatively and slidably support the flexible belt (6), the flexible belt (6) comprises a first section (61) from one end to the sliding support part and a second section (62) from the sliding support part to the other end of the flexible belt (6),
when the frame (1) is in an open state, a first included angle is formed between the upper backrest (5) and the lower backrest (4); when the frame (1) transits from the open state to the folded state, the flexible belt (6) and the sliding support part slide relatively, the second section (62) of the flexible belt (6) grows and the first section (61) shortens, so that the flexible belt (6) pulls the upper backrest (5) to rotate relative to the lower backrest (4); when the frame (1) is in a folded state, a second included angle smaller than the first included angle is formed between the upper backrest (5) and the lower backrest (4), and the upper backrest (5) is pulled by the flexible belt (6) to be kept at a position forming the second included angle with the lower backrest (4).
2. The stroller of claim 1, wherein: the main structure is provided with a fixed connecting part (8) fixedly connected with the other end of the flexible belt (6), the fixed connecting part (8) and the sliding support part are respectively arranged on two different parts in the main structure, and the two parts move relatively in the transition process from an open state to a folding state of the frame (1).
3. The stroller of claim 2, wherein: the fixed connection part (8) is arranged on the frame (1), and the sliding support part is arranged on the seat (3) or the lower backrest (4).
4. The stroller of claim 2, wherein: the fixed connection part (8) is arranged on the seat (3) or the lower backrest (4), and the sliding support part is arranged on the frame (1).
5. The stroller of claim 2, wherein: the main structure also comprises a cloth cover (31) which is sleeved on the seat (3), the fixed connecting part (8) is arranged on the frame (1), and the sliding support part is arranged on the cloth cover (31).
6. The utility model provides a children's shallow, includes major structure, major structure include can open and folding frame (1), connect on frame (1) and can take place relative motion's seat (3) with between frame (1) when frame (1) are folding, lower part movably connect lower back (4) at the rear portion of seat (3), its characterized in that: the baby carriage also comprises an upper backrest (5) with the lower part rotationally connected with the upper part of the lower backrest (4), and a flexible belt (6) with one end connected with the upper backrest (5) and the other end connected with the seat (3) or the frame (1),
when the frame (1) is in an open state, a first included angle is formed between the upper backrest (5) and the lower backrest (4); when the frame (1) transits from the open state to the folded state, the seat (3) and the frame (1) move relatively, so that the flexible belt (6) pulls the upper backrest (5) to rotate relative to the lower backrest (4); when the frame (1) is in a folded state, a second included angle smaller than the first included angle is formed between the upper backrest (5) and the lower backrest (4), and the upper backrest (5) is pulled by the flexible belt (6) to be kept at a position forming the second included angle with the lower backrest (4).
7. The stroller of claim 6, wherein: the seat is characterized in that a first sliding support part (7) capable of forming a relatively sliding support for the flexible belt (6) is arranged on one of the seat (3) and the frame (1), a fixed connection part (8) is arranged on the other one of the seat and the frame, the other end of the flexible belt (6) movably passes through the first sliding support part (7) and then is connected with the fixed connection part (8), and the distance between the first sliding support part (7) and the fixed connection part (8) when the frame (1) is in a folded state is larger than the distance between the first sliding support part (7) and the fixed connection part (8) when the frame (1) is in an open state.
8. The stroller of claim 7, wherein: the first sliding support (7) is arranged on the seat (3), the fixed connection part (8) is arranged on the frame (1), and the first sliding support (7) is positioned behind the fixed connection part (8).
9. The stroller of claim 7, wherein: the first sliding support (7) is arranged on the frame (1), the fixed connection part (8) is arranged on the seat (3), and the first sliding support (7) is positioned in front of the fixed connection part (8).
10. The stroller of claim 9, wherein: the seat (3) is provided with a second sliding support (9), the second sliding support (9) is positioned behind the fixed connection part (8), and the other end of the flexible belt (6) passes through the second sliding support (9) in a movable mode and is connected with the fixed connection part (8) after passing through the first sliding support (7) in a movable mode.
11. The stroller of claim 7, wherein: the first sliding support part (7) is a through hole through which the flexible belt (6) can be slidably arranged.
12. The stroller of claim 6, wherein: the seat (3) and the frame (1) can be connected in a relatively rotatable and relatively slidable manner, when the frame (1) is in transition from an open state to a folded state, the seat (3) slides backwards relative to the frame (1), and the rear part of the seat (3) rotates downwards relative to the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331855.5A CN110116746B (en) | 2019-04-24 | 2019-04-24 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331855.5A CN110116746B (en) | 2019-04-24 | 2019-04-24 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110116746A CN110116746A (en) | 2019-08-13 |
| CN110116746B true CN110116746B (en) | 2024-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910331855.5A Active CN110116746B (en) | 2019-04-24 | 2019-04-24 | Child cart |
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| Country | Link |
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| CN (1) | CN110116746B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954947A (en) * | 2020-07-21 | 2022-01-21 | 明门瑞士股份有限公司 | Baby carriage with linked folding backrest |
| CN114454947A (en) * | 2020-11-09 | 2022-05-10 | 明门瑞士股份有限公司 | Children's carriage frame |
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| CA2296903A1 (en) * | 1995-10-31 | 1997-05-01 | Fisher-Price, Inc. | Stroller |
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| Publication number | Publication date |
|---|---|
| CN110116746A (en) | 2019-08-13 |
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