CN105460071A - Baby carriage shock absorbing device and baby carriage - Google Patents
Baby carriage shock absorbing device and baby carriage Download PDFInfo
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- CN105460071A CN105460071A CN201410458781.9A CN201410458781A CN105460071A CN 105460071 A CN105460071 A CN 105460071A CN 201410458781 A CN201410458781 A CN 201410458781A CN 105460071 A CN105460071 A CN 105460071A
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- framing member
- elastic component
- elastic
- connecting base
- baby carriage
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Abstract
The invention discloses a baby carriage shock absorbing device and the baby carriage, which relate to the technical field of baby carriages. A technical problem that shock absorbing effect persistence is poor in the prior art is solved. The baby carriage shock absorbing device comprises a first structural piece, a second structural piece and at least one group of combined elastic pieces, wherein the first structural piece is movably connected with the second structural piece; each group of combined elastic pieces comprises a first elastic piece and a second elastic piece; the first elastic piece and the second elastic piece sleeve between the first structural piece and the second structural piece together; in the process that the first structural piece and the second structural piece move towards each other, the combined elastic pieces are elastically deformed; and when the combined elastic pieces are elastically deformed, the first elastic piece is elastically deformed prior to the second elastic piece. The baby carriage comprises a frame, a front wheel set, a rear wheel set and the baby carriage shock absorbing device disclosed by the invention. The invention is used for improving a self-adaptive effect and a shock absorbing persistence effect of the baby carriage shock absorbing device.
Description
Technical field
The present invention relates to perambulator technical field, particularly relate to a kind of shockproof device for baby carriage and the perambulator of this shockproof device for baby carriage is set.
Background technology
Shockproof device for baby carriage is a kind of traveling comfort in order to improve perambulator and reliability and the springing designed.
Shockproof device for baby carriage in prior art, is generally employing spring, spring majority be installed on wheels or wheels inner, and stressed spring or spring assembly while of be.Also there is the shock-proof spring of part perambulator to be installed between vehicle frame and wheels, but be single spring shock-absorbing.
The applicant finds: prior art at least exists following technical matters:
The shortcoming of the shockproof device for baby carriage that prior art provides is: along with the growth of baby, and when the continued weight of baby increases, the elasticity of shockproof device for baby carriage is more next weak, shock-proof effect worse and worse, so shock-proof effect persistence is poor.
Summary of the invention
The object of the invention is to propose a kind of shockproof device for baby carriage and perambulator, solve prior art and there is the poor technical matters of shock-proof effect persistence.Many technique effects that optimal technical scheme of the present invention can produce refer to hereafter sets forth.
For achieving the above object, the invention provides following technical scheme:
The shockproof device for baby carriage that the embodiment of the present invention provides, comprises the first framing member, the second framing member and at least one group of combined elastic part, wherein:
Described first framing member is flexibly connected with described second framing member, and described combined elastic part is arranged between described first framing member and described second framing member;
Often organize described combined elastic part and include the first elastic component and the second elastic component;
Described first framing member and described second framing member can allow described combined elastic part generation elastic deformation in the process of close each other direction movement, and the first elastic component described in during described combined elastic part generation elastic deformation is prior to described second elastic component generation elastic deformation.
In preferably or alternatively embodiment, described first elastic component and described second elastic component of described combined elastic part are set-located mutually, and described second elastic component can move along the elastic force direction of described first elastic component or flexible.
In preferably or alternatively embodiment, the free height size of described first elastic component is greater than the free height size of described second elastic component.
In preferably or alternatively embodiment, the elastic force of described first elastic component is greater than or less than the elastic force of described second elastic component.
In preferably or alternatively embodiment, described first elastic component and described second elastic component are stage clip or extension spring, and the spring diameter of described first elastic component is greater than the spring diameter of described second elastic component.
In preferably or alternatively embodiment, combined elastic part described in two groups is set between described first framing member and described second framing member.In preferably or alternatively embodiment, described first framing member and described second framing member include grafting projection, positive stop lug boss separately and are arranged on the spacing counterbore in described grafting projection;
Described positive stop lug boss is fixedly connected with described grafting projection or both are integral type structure, and both form terraced structure, wherein:
The described grafting projection that wherein one end of described first elastic component is set in described first framing member abuts against with the described positive stop lug boss of described first framing member;
The described grafting projection that the wherein other end of described first elastic component is set in described second framing member abuts against with the described positive stop lug boss of described second framing member;
The two ends of described second elastic component to be plugged on respectively in described first framing member and described second framing member described spacing counterbore separately and to abut against with the bottom surface of described spacing counterbore.
The perambulator that the embodiment of the present invention provides, comprises vehicle frame, front wheels, the shockproof device for baby carriage that rear wheels and the arbitrary technical scheme of the present invention provide, wherein:
Described vehicle frame comprises front foot pipe and rear foot tube, described rear foot tube comprises upper portion and hypomere part, described upper portion and described hypomere part are U-shaped pipe, and the two ends of described upper portion and described front foot pipe are rotatably connected, the two ends of described hypomere part are connected with described rear wheels respectively;
Part between the two ends of described upper portion forms described first framing member, and the part between the two ends of described hypomere part forms described second framing member.
In preferably or alternatively embodiment, described vehicle frame also comprises pipe link, upper connecting base and lower connecting base, wherein:
Described upper connecting base is fixedly connected with described first framing member, and described lower connecting base is fixedly connected with described second framing member;
Described pipe link is a U-shaped pipe, the two ends of described pipe link are rotatably connected with described front foot pipe respectively, part between the two ends of described pipe link runs through described upper connecting base and described lower connecting base, and described upper connecting base and described lower connecting base are rotatably connected by the part between the two ends of described pipe link.
In preferably or alternatively embodiment, described vehicle frame also comprises pipe link, upper connecting base and lower connecting base, wherein:
Described upper connecting base is fixedly connected with described first framing member, and described lower connecting base is fixedly connected with described second framing member;
Described pipe link comprises the pipe fitting of two symmetric designs, and the two ends of described pipe link are connected with described front foot pipe and described rear foot tube respectively, and described upper connecting base and described lower connecting base are connected by a pivotable movement.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Due in the shockproof device for baby carriage that the embodiment of the present invention provides, combined elastic part generation elastic deformation can be made in the process of the first framing member (part between the two ends being preferably the upper portion of rear foot tube is formed) and the second framing member (part between the two ends being preferably the hypomere part of rear foot tube is formed) the close each other direction movement of court, during combined elastic part generation elastic deformation, first elastic component is prior to the second elastic component generation elastic deformation, because first the squeese pressure (also can be understood as load) of outside acts on the first elastic component, increase to a certain degree when external compression power or occur aging at the first elastic component, after causing the elastic force of the first elastic component to reduce after fatigue, next outside squeese pressure can act on the first elastic component and the second elastic component simultaneously, now, the elastic force that second elastic component applies can compensate the first elastic component because the elastic force that loses of aging or fatigue or the load that the is increased elastic force of offsetting, second elastic component ensure that the first framing member and the second framing member remain certain elastic space between the two, the persistence of self adaptation effect and shock-proof effect is even more ideal.When the present invention is used for perambulator, even if the existence of the second elastic component can keep vehicle frame, when load increases (such as baby development body weight increases gradually) has enough elastic spaces all the time, and then improve the self adaptation effect of shockproof device for baby carriage, and maintain the persistence of shock-proof effect, so solve prior art to there is the poor technical matters of shock-proof effect persistence.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The schematic diagram of the spatial structure of the perambulator of shockproof device for baby carriage of Fig. 1 for arranging the embodiment of the present invention and providing;
The schematic diagram of the perambulator of shockproof device for baby carriage of Fig. 2 for arranging the embodiment of the present invention and providing;
The schematic diagram of the chief component installation process of the perambulator of shockproof device for baby carriage of Fig. 3 for arranging the embodiment of the present invention and providing;
The chief component that Fig. 4 is the perambulator of shockproof device for baby carriage arranging the embodiment of the present invention and provide install before a schematic diagram of position relationship;
The chief component that Fig. 5 is the perambulator of shockproof device for baby carriage arranging the embodiment of the present invention and provide install before a schematic diagram of position relationship;
The chief component that Fig. 6 is the perambulator of shockproof device for baby carriage arranging the embodiment of the present invention and provide install before a schematic diagram of position relationship;
The chief component that Fig. 7 is the perambulator of shockproof device for baby carriage arranging the embodiment of the present invention and provide install before a schematic diagram of position relationship;
The schematic diagram of annexation between the chief component of the shockproof device for baby carriage that Fig. 8 provides for a kind of embodiment of the embodiment of the present invention;
Reference numeral: 1, the first framing member; 2, the second framing member; 31, the first elastic component; 32, the second elastic component; 41, grafting is protruding; 42, positive stop lug boss; 43, spacing counterbore; 5, vehicle frame; 51, front foot pipe; 52, rear foot tube; 521, upper portion; 522, hypomere part; 6, rear wheel; 7, pipe link; 81, upper connecting base; 82, lower connecting base.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 8 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means provided by the invention can be carried out replacing or two or more technological means or technical characteristic arbitrarily provided by the invention being carried out mutually combining and obtain new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art new technical scheme that two or more technological means or technical characteristic arbitrarily provided by the invention are carried out mutually combining and obtain.
Embodiments provide a kind of shock-absorbing (shock-absorbing also can be understood as: anti-vibration) effect is more lasting, structure is simple and be convenient to the shockproof device for baby carriage assembled and the perambulator arranging this shockproof device for baby carriage.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 8 carries out specifically to technical scheme provided by the invention.
As shown in Fig. 1 ~ Fig. 8, the shockproof device for baby carriage that the embodiment of the present invention provides, comprise the first framing member 1, second framing member 2 and at least one group of (being preferably two groups) combined elastic part, often organize combined elastic part and include the first elastic component 31 and the second elastic component 32, wherein:
First framing member 1 is flexibly connected with the second framing member 2, and the first elastic component 31 and the second elastic component 32 are preferably set-located.Combined elastic part is arranged between the first framing member 1 and the second framing member 2.
First framing member 1 and the second framing member 2 can make combined elastic part i.e. the first elastic component 31 and the second elastic component 32 that elastic deformation occurs in the process of direction movement close each other, and in the process of combined elastic part generation elastic deformation, the first elastic component 31, prior to the second elastic component 32, elastic deformation occurs.
Due in the shockproof device for baby carriage that the embodiment of the present invention provides, can make combined elastic part i.e. the first elastic component 31 and the second elastic component 32 that elastic deformation occurs in the process of the direction movement that the first framing member 1 (part between the two ends being preferably the upper portion 521 of rear foot tube 52 is formed) and the second framing member 2 (part between the two ends being preferably the hypomere part 522 of rear foot tube 52 is formed) court is close each other, in the process of combined elastic part generation elastic deformation there is elastic deformation prior to the second elastic component 32 in the first elastic component 31, squeese pressure (also can be understood as load) due to outside first acts on the first elastic component 31, increase to a certain degree when external compression power or occur aging at the first elastic component 31, after causing the elastic force of the first elastic component 31 to reduce after fatigue, next outside squeese pressure can act on the first elastic component 31 and the second elastic component 32 simultaneously, now, the elastic force that second elastic component 32 applies can compensate the first elastic component 31 because the elastic force that loses of aging or fatigue or the load that the is increased elastic force of offsetting, second elastic component 32 ensure that the first framing member 1 and the second framing member 2 remain certain elastic space between the two, when the present invention is used for perambulator, even if the existence of the second elastic component 32 can keep vehicle frame 5, when load increases (such as baby development body weight increases gradually) has enough elastic spaces all the time, and then improve the self adaptation effect of shockproof device for baby carriage, and maintain the persistence of shock-proof effect
As preferably or alternatively embodiment, the first elastic component 31 of combined elastic part and the second elastic component 32 are set-located mutually, and the second elastic component 32 can move along the elastic force direction of the first elastic component 31 or flexible.First elastic component 31 and the second elastic component 32 are all preferably stage clip.Extension spring or torsion spring is used to substitute the technical scheme of stage clip also within protection scope of the present invention as shown in Figure 8.Stage clip has to be convenient to install, and the advantage that elastic force is lasting.
Now the first elastic component 31 and the second elastic component 32 are the combined elastic part be set-located, and also can be called cluster spring.Shell fragment or elastic caoutchouc, foam etc. can certainly be used to have, and elastomeric element that elastomeric material makes replaces stage clip.
As preferably or alternatively embodiment, the free height size of the first elastic component 31 is greater than the free height size of the second elastic component 32.Now, the first framing member 1 moves extruding cluster spring during towards the direction close to the second framing member 2, what be first squeezed is the first elastic component 31, and after certain distortion occurs the first elastic component 31, the second elastic component 32 just can be extruded.
As preferably or alternatively embodiment, the first elastic component 31 is set in outside the second elastic component 32, and the second elastic component 32 can move along the elastic force direction of the first elastic component 31 or flexible.Both this structure first elastic component 31 and the second elastic component 32 telescopic process can not interfere with each other.
As preferably or alternatively embodiment, the elastic force of the first elastic component 31 is greater than or less than the elastic force of the second elastic component 32.The elastic force of the first elastic component 31 is preferably greater than the elastic force of the second elastic component 32.This structure second elastic component 32 only needs the elastic force to the first elastic component 31 loses to compensate, and namely can maintain between the first framing member 1 and the second framing member 2 and there is enough elastic spaces.When first elastic component 31 is entirely ineffective, the squeese pressure of outside also can only act on the second elastic component 32, because the second elastic component 32 elastic force is better than the first elastic component 31, so still can continue shockproof.
As preferably or alternatively embodiment, the spring diameter of the first elastic component 31 is greater than the spring diameter of the second elastic component 32.
As preferably or alternatively embodiment, the spacing counterbore 43 that the first framing member 1 and the second framing member 2 include grafting projection 41, positive stop lug boss 42 separately and be arranged in grafting projection 41.
Positive stop lug boss 42 is fixedly connected with both grafting projections 41 or both are integral type structure, and both form terraced structure, wherein:
The grafting projection 41 that wherein one end of first elastic component 31 is set in the first framing member 1 abuts against with the positive stop lug boss 42 of the first framing member 1.
The grafting projection 41 that the wherein other end of the first elastic component 31 is set in the second framing member 2 abuts against with the positive stop lug boss 42 of the second framing member 2.
The two ends of the second elastic component 32 to be plugged on respectively in the first framing member 1 and the respective spacing counterbore 43 of the second framing member 2 and to abut against with the bottom surface of spacing counterbore 43.
Said structure is not only convenient to the installation of the first elastic component 31 and the second elastic component 32, and the overall structure of shockproof device for baby carriage of the present invention can be made compact.
The perambulator that the embodiment of the present invention provides, comprises the shockproof device for baby carriage that vehicle frame 5, front wheels, rear wheels 6 and the arbitrary technical scheme of the present invention provide, wherein:
Vehicle frame 5 comprises front foot pipe 51 and rear foot tube 52, rear foot tube 52 comprises upper portion 521 and hypomere part 522, upper portion 521 and hypomere part 522 are U-shaped pipe, and the two ends of upper portion 521 and front foot pipe 51 are rotatably connected, and the two ends of hypomere part 522 are connected with rear wheels 6 respectively.
Part (part between two ends is preferably centre portion) between the two ends of upper portion 521 forms the first framing member 1, and the part between the two ends of hypomere part 522 forms the second framing member 2.
Shockproof device for baby carriage provided by the invention can improve the persistence of shock-absorbing performance of rear wheels 6 and even whole vehicle frame 5, perambulator.
As preferably or alternatively embodiment, perambulator also comprises pipe link 7, upper connecting base 81 and lower connecting base 82, wherein:
Upper connecting base 81 is fixedly connected with the first framing member 1, and lower connecting base 82 is fixedly connected with the second framing member 2.Pipe link 7 is a U-shaped pipe, the two ends of pipe link 7 are rotatably connected with front foot pipe 51 respectively, part between the two ends of pipe link 7 runs through upper connecting base 81 and lower connecting base 82, and upper connecting base 81 and lower connecting base 82 are rotatably connected by the part between the two ends of pipe link 7.
The connection reliability of the structure that is rotatably connected that be rotatably connected structure and upper connecting base 81 and lower connecting base 82 that said structure can improve front foot pipe 51 of the present invention and rear foot tube 52 formation are formed.
As a kind of alternate embodiments of above-mentioned embodiment, vehicle frame 5 can also comprise pipe link 7, upper connecting base 81 and lower connecting base 82, and wherein: upper connecting base 81 is fixedly connected with the first framing member 1, lower connecting base 82 is fixedly connected with the second framing member 2; Pipe link 7 comprises the pipe fitting of two symmetric designs, and the two ends of pipe link 7 are connected with front foot pipe 51 and rear foot tube 52 respectively, and upper connecting base 81 and lower connecting base 82 are connected by a pivotable movement.There is not direct annexation in both this pivot and pipe link 7, that is both are split-type structural.Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a shockproof device for baby carriage, is characterized in that, comprises the first framing member, the second framing member and at least one group of combined elastic part, wherein:
Described first framing member is flexibly connected with described second framing member, and described combined elastic part is arranged between described first framing member and described second framing member;
Often organize described combined elastic part and include the first elastic component and the second elastic component;
Described first framing member and described second framing member can allow described combined elastic part generation elastic deformation in the process of close each other direction movement, and the first elastic component described in during described combined elastic part generation elastic deformation is prior to described second elastic component generation elastic deformation.
2. shockproof device for baby carriage according to claim 1, it is characterized in that, described first elastic component and described second elastic component of described combined elastic part are set-located mutually, and described second elastic component can move along the elastic force direction of described first elastic component or stretch.
3. shockproof device for baby carriage according to claim 1, is characterized in that, the free height size of described first elastic component is greater than the free height size of described second elastic component.
4. shockproof device for baby carriage according to claim 1, is characterized in that, the elastic force of described first elastic component is greater than or less than the elastic force of described second elastic component.
5. shockproof device for baby carriage according to claim 1, is characterized in that, described first elastic component and described second elastic component are stage clip or extension spring, and the spring diameter of described first elastic component is greater than the spring diameter of described second elastic component.
6. shockproof device for baby carriage according to claim 1, is characterized in that, arranges combined elastic part described in two groups between described first framing member and described second framing member.
7., according to the arbitrary described shockproof device for baby carriage of claim 1, it is characterized in that, described first framing member and described second framing member include grafting projection, positive stop lug boss separately and are arranged on the spacing counterbore in described grafting projection;
Described positive stop lug boss is fixedly connected with described grafting projection or both are integral type structure, and both form terraced structure, wherein:
The described grafting projection that wherein one end of described first elastic component is set in described first framing member abuts against with the described positive stop lug boss of described first framing member;
The described grafting projection that the wherein other end of described first elastic component is set in described second framing member abuts against with the described positive stop lug boss of described second framing member;
The two ends of described second elastic component to be plugged on respectively in described first framing member and described second framing member described spacing counterbore separately and to abut against with the bottom surface of described spacing counterbore.
8. a perambulator, is characterized in that, comprises vehicle frame, front wheels, rear wheels and the arbitrary described shockproof device for baby carriage of claim 1-7, wherein:
Described vehicle frame comprises front foot pipe and rear foot tube, described rear foot tube comprises upper portion and hypomere part, described upper portion and described hypomere part are U-shaped pipe, and the two ends of described upper portion and described front foot pipe are rotatably connected, the two ends of described hypomere part are connected with described rear wheels respectively;
Part between the two ends of described upper portion forms described first framing member, and the part between the two ends of described hypomere part forms described second framing member.
9. perambulator according to claim 8, is characterized in that, described vehicle frame also comprises pipe link, upper connecting base and lower connecting base, wherein:
Described upper connecting base is fixedly connected with described first framing member, and described lower connecting base is fixedly connected with described second framing member;
Described pipe link is a U-shaped pipe, the two ends of described pipe link are rotatably connected with described front foot pipe respectively, part between the two ends of described pipe link runs through described upper connecting base and described lower connecting base, and described upper connecting base and described lower connecting base are rotatably connected by the part between the two ends of described pipe link.
10. perambulator according to claim 8, is characterized in that, described vehicle frame also comprises pipe link, upper connecting base and lower connecting base, wherein:
Described upper connecting base is fixedly connected with described first framing member, and described lower connecting base is fixedly connected with described second framing member;
Described pipe link comprises the pipe fitting of two symmetric designs, and the two ends of described pipe link are connected with described front foot pipe and described rear foot tube respectively, and described upper connecting base and described lower connecting base are connected by a pivotable movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458781.9A CN105460071A (en) | 2014-09-11 | 2014-09-11 | Baby carriage shock absorbing device and baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458781.9A CN105460071A (en) | 2014-09-11 | 2014-09-11 | Baby carriage shock absorbing device and baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105460071A true CN105460071A (en) | 2016-04-06 |
Family
ID=55598346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410458781.9A Pending CN105460071A (en) | 2014-09-11 | 2014-09-11 | Baby carriage shock absorbing device and baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105460071A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106515829A (en) * | 2016-12-14 | 2017-03-22 | 好孩子儿童用品有限公司 | Child stroller |
| CN112590912A (en) * | 2021-01-11 | 2021-04-02 | 安徽小龙仔儿童用品有限公司 | Anti-toppling baby carriage |
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| US20080238016A1 (en) * | 2007-03-30 | 2008-10-02 | Wonderland Nurserygoods Co., Ltd. | Shock-absorbing device for stroller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106515829A (en) * | 2016-12-14 | 2017-03-22 | 好孩子儿童用品有限公司 | Child stroller |
| CN112590912A (en) * | 2021-01-11 | 2021-04-02 | 安徽小龙仔儿童用品有限公司 | Anti-toppling baby carriage |
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