CN109278603B - Gas stay bar reinforcing device of vehicle-mounted child safety seat - Google Patents
Gas stay bar reinforcing device of vehicle-mounted child safety seat Download PDFInfo
- Publication number
- CN109278603B CN109278603B CN201810995895.5A CN201810995895A CN109278603B CN 109278603 B CN109278603 B CN 109278603B CN 201810995895 A CN201810995895 A CN 201810995895A CN 109278603 B CN109278603 B CN 109278603B
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- Prior art keywords
- seat
- connecting piece
- air
- piece
- rod
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Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 238000005452 bending Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of vehicle-mounted seats, and discloses an air stay bar reinforcing device of a vehicle-mounted child safety seat. The invention provides an air stay bar reinforcing device which comprises a base and a headrest; the support piece is arranged at the rear part of the base, and the base is connected with the headrest through the support piece; the air supporting rods are arranged between the supporting pieces and are used for jacking the headrest; the first connecting piece is arranged between the supporting pieces and is respectively connected with the supporting pieces and the air supporting rods. According to the invention, the first connecting piece is added on the basis of the existing gas stay rod lifting device of the vehicle-mounted child safety seat, so that the gas stay rod and the supporting piece of the seat are connected. At the moment, the air supporting rod has the function of lifting the headrest and also serves as a part of the back support of the whole seat, so that the strength of the whole seat is enhanced.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted seats, in particular to an air stay bar reinforcing device of a vehicle-mounted child safety seat.
Background
At present, in the design process of the vehicle-mounted child seat, the vehicle-mounted child seat is mostly placed on a vehicle seat, and the vehicle-mounted child seat needs to be moved in the use process, so that the weight reduction and the portability are one of indexes to be considered. However, the safety performance of the vehicle-mounted child seat is also an important index to be considered, in order to achieve the safety performance index, the material strength of the key framework is often enhanced when the vehicle-mounted child seat is designed, and the common means is to adopt materials with higher strength, but the cost of the whole vehicle-mounted child seat is greatly increased; another common means is to thicken the key skeleton, which can enhance the safety of the vehicle-mounted child seat, but reduce the portability of the vehicle-mounted child seat, which is not beneficial to the weight reduction. How to achieve the balance of light weight and safety performance of the vehicle-mounted child seat is a place needing important attention.
The invention discloses a Chinese patent vehicle-mounted child safety seat with an authority bulletin number CN205468639U, which is an authority bulletin number of 8 months 17 in 2016, and comprises a backrest, a telescopic frame and a pneumatic rod, wherein the height of a head headrest is controlled through the pneumatic rod.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the air stay bar reinforcing device of the vehicle-mounted child safety seat, which has good safety performance and is light and portable.
The invention adopts the following technical scheme:
An air stay reinforcement device for a vehicle-mounted child safety seat, comprising: a seat and a backrest; the support rod piece is arranged at the backrest part; the air supporting rod is arranged between the supporting rod pieces; the first connecting piece is arranged between the support rod pieces and is connected to the upper end part of the air support rod piece; and the lateral connecting piece is arranged between the backrest part and the outer side of the seat part.
Further, the first connecting piece comprises a bending part, and the first connecting piece is connected with the gas stay rod through the bending part; the curved portion is positioned at a rear portion of the gas strut. Because the air stay bar is positioned on the backrest side, the force applied by the air stay bar in daily use is extrusion force from front to back. Therefore, the first connecting piece is selected firstly to limit the backward movement of the gas stay rod, so that the phenomenon that the gas stay rod is damaged due to backward extrusion force in the using process is avoided, and the strength of the integral backrest is enhanced. And the bending part with the same outer diameter as the gas stay rod or slightly larger than the outer diameter of the gas stay rod is selected to wrap the outer surface of the gas stay rod, so that the whole structure of the gas stay rod is not damaged during connection. Compared with the traditional connection modes such as welding or bolting, the connection is simple, the phenomenon of stress concentration can not be generated on the gas stay bar, and the integral strength of the gas stay bar is enhanced.
Further, the first connector further includes a fastening portion positioned at a front portion of the gas strut, the fastening portion cooperating with the curved portion to limit radial movement of the gas strut. By adding the fastening portion, the movement of the gas stay in other directions than the movement in the backward direction is restricted; the radial movement of the gas strut is limited by the cooperation of the fastening part and the bending part. And the fastening part is matched with the bending part to connect the air stay bar and the support rod piece into a whole, and the air stay bar and the support rod piece are used as a framework for supporting the seat together under the function of lifting the headrest, so that the support function is realized.
Further, the support rod piece comprises a third connecting piece, wherein the third connecting piece is arranged between the support rod pieces and is connected to the lower end part of the air support rod piece; the connection of the lateral connecting piece on the support rod corresponds to the connection of the third connecting piece on the support rod. The third connecting piece is arranged to further connect the air stay bar and the support rod piece into a whole, so that the strength of the back of the seat is enhanced.
Further, the air stay bar reinforcing device further comprises a second connecting piece, and the second connecting piece is arranged between the support rod piece and the air stay bar; the second connecting piece comprises a fixed end and a free end, wherein the fixed end is connected with the supporting frame, and the free end is arranged at the rear part of the joint of the first connecting piece and the air supporting rod. The rearward movement of the gas strut is restricted by the first connector. According to the service condition of the vehicle-mounted child seat, under the normal condition, the backrest is subjected to a backward impact force, and the air supporting rod swings towards the rear part of the seat under the condition of the backward impact force, so that the first connecting piece is driven to deform, and if the deformation amplitude is too large, the first connecting piece is damaged, so that the back structure of the whole seat is damaged. To prevent this, we provide a second connector. The free end of the second connector serves to limit the magnitude of deformation of the first connector and prevent excessive deformation of the first connector. In addition, the free end of the second connecting piece is not in direct contact with the first connecting piece, a certain distance is reserved between the free end of the second connecting piece and the first connecting piece, the buffer effect can be achieved when the external impact is received by the second connecting piece, the external impact force does not directly act on the free end of the second connecting piece, the integral structure of the seat is further protected, and meanwhile the seat is reinforced. The free end is arranged on the rear side part of the joint of the first connecting piece and the air supporting rod. Because the seat is in the use, the most of the force that the back receives is rearward continuous force or alternating force, and the place that the deformation range is the biggest on the first connecting piece is the gas stay bar and first connecting piece junction. Therefore, the free end of the second connecting piece is arranged at the rear side part of the connecting part of the first connecting piece and the air stay rod, so that the best limiting and protecting effects are achieved.
Compared with the prior art, the invention has the beneficial effects that: on the basis of the existing gas stay rod lifting device of the vehicle-mounted child safety seat, a first connecting piece is added to connect the gas stay rod with a support rod piece of the seat. At the moment, the air supporting rod has the function of lifting the headrest and is also used as a part of the back support of the whole seat, so that the strength of the whole seat is enhanced; compared with the existing vehicle-mounted child safety seat, the vehicle-mounted child safety seat has the advantages that on the premise that the overall strength and safety performance are met, the light weight of the seat is achieved by only adding the first connecting piece.
The invention is described in further detail below with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the invention after the headrest is turned around;
FIG. 3 is a schematic view of the backrest portion of the present invention;
Fig. 4 is a schematic view of a part of the structure of the present invention.
In the figure: 1. a seat; 11. a seat plate member; 111. a side support plate portion; 2. a headrest; 3. a support rod; 4. a gas strut; 5. a first connector; 51. a bending portion; 52. a fastening part; 6. a second connector; 61. a fixed end; 62. a free end; 7. a reinforcing tube; 8. reinforcing ribs; 9. a lateral connector; 10. a third connecting member; 12. a backrest part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
As shown in fig. 1, 2, 3 and 4, an air stay 4 reinforcement device for a vehicle-mounted child safety seat includes: a seat 1, a headrest 2, and a backrest 12; the support rod pieces 3 are hollow square steel pipes and are rigid pieces, two support rod pieces are arranged in total and are symmetrically arranged at the rear part of the seat part 1, and the seat part 1 and the headrest 2 are connected through the support rod pieces 3; the air supporting rod 4 is arranged between the two supporting rod pieces 3, the optimal position is arranged in the middle of the two supporting rod pieces 3, and the air supporting rod 4 is used for jacking the headrest 2; the first connecting piece 5, the first connecting piece 5 locates between the support member piece 3 to be connected with support member piece 3 and gas strut 4 respectively, locate the upper end of gas strut 4. The lateral connecting piece 9, the lateral connecting piece 9 is arranged between the backrest part 12 and the outer side of the seat part 1.
The seat 1 comprises a seat plate 11; a side support plate portion 111 extending outward and upward in an arc shape is provided on the outer side of the seat plate member 11; the lateral connecting pieces 9 extend in an arc shape and are connected with the lateral supporting plate parts 111 of the seat part 1 in an intersecting manner, and are combined into a whole, so that the overall strength of the seat is enhanced.
The first connecting piece 5 includes a bent portion 51, and the first connecting piece 5 is connected to the gas stay 4 through the bent portion 51; the bent portion 51 serves to restrict the movement of the gas stay 4 toward the rear of the seat portion 1. Since the gas stay 4 is positioned on the backrest side, the force applied during daily use is a pressing force from front to back. Therefore, the first connecting piece 5 is selected to limit the backward movement of the air brace 4, so that the phenomenon that the air brace 4 is damaged due to backward extrusion force in the using process is avoided, and the strength of the integral backrest is enhanced. The outer surface of the gas stay 4 is covered with the curved portion 51 having the same outer diameter as the gas stay 4 or slightly larger than the outer diameter of the gas stay 4, and the whole structure of the gas stay 4 is not damaged when the gas stay 4 is connected. Compared with the traditional connection modes such as welding or bolting, the connection is simple, the phenomenon of stress concentration can not be generated on the gas stay bar 4, and the integral strength of the gas stay bar 4 is enhanced.
The first coupling member 5 further includes a fastening portion 52, and the fastening portion 52 cooperates with the bent portion 51 to restrict radial movement of the gas stay 4. By incorporating the fastening portion 52, the movement of the gas stay 4 in other directions than the movement in the backward direction is restricted; the engagement of the fastening portion 52 with the bent portion 51 restricts the radial movement of the gas stay 4. And the fastening part 52 is matched with the bending part 51 to connect the air stay bar 4 and the support rod piece 3 into a whole, and the air stay bar 4 and the support rod piece 3 are used as a framework for supporting the seat together under the function of lifting the headrest 2 so as to play a supporting role.
The first connecting pieces 5 are respectively arranged at the upper end parts of the air supporting rods 4. The third connecting piece 10 is arranged at the lower end part of the gas stay 4. The connection of the lateral connecting piece 9 on the support bar 3 corresponds to the connection of the third connecting piece 10 on the support bar 3. The third connecting piece 10 further connects the gas stay 4 and the support rod 3 into a whole, so that the strength of the back of the seat is enhanced.
The reinforcement device of the gas stay bar 4 further comprises a second connecting piece 6, and the second connecting piece 6 is arranged between the support rod piece 3 and the gas stay bar 4; the second connecting member 6 includes a fixed end 61 and a free end 62, the fixed end 61 being connected to the supporting frame, the free end 62 being used to limit the deformation amplitude of the first connecting member 5. The rearward movement of the gas strut 4 is restricted by the first connector 5. According to the service condition of on-vehicle children's seat, under the general circumstances, its back receives the impact force that is backward generally, and gas brace 4 can swing to the seat rear portion under the condition of receiving the impact force that is backward, and then drives first connecting piece 5 and take place deformation, if deformation range is too big, can produce the destruction to first connecting piece 5, and then destroys the back structure of whole seat. To prevent this, we provide a second connector 6. The free end 62 of the second connecting member 6 serves to limit the magnitude of the deformation of the first connecting member 5 and prevent excessive deformation of the first connecting member 5. In addition, the free ends 62 of the second connecting pieces 6 are not in direct contact with the first connecting pieces 5, and are separated by a certain distance, so that the buffer effect can be achieved when external impact is applied to the free ends 62 of the second connecting pieces 6, the overall structure of the seat is further protected, and the seat is reinforced.
The free end 62 is provided at the rear side of the junction of the first connector 5 and the gas strut 4. Because the backrest is subjected to most of the rearward continuous force or alternating force in the use process of the seat, the place with the largest deformation amplitude on the first connecting piece 5 is the joint of the air stay 4 and the first connecting piece 5. Therefore, the free end 62 of the second connecting piece 6 is arranged at the rear side of the joint of the first connecting piece 5 and the air supporting rod 4, so as to achieve the best restriction and protection effect.
The support rod piece 3 is a hollow piece, and a reinforcing pipe 7 is arranged in the support rod piece 3. The support rod piece 3 is a hollow piece, so that the requirement of light weight of the seat is met. The reinforcing pipe 7 is arranged in the support rod 3, so that the strength and the stress area of the support rod 3 are increased.
A reinforcing rib 8 is arranged between the support rod 3 and the seat part 1, and the reinforcing rib 8 is used for limiting the back-and-forth swing of the support rod 3 relative to the seat. In normal use of the seat, most of the impact force is a rearward impact force, and therefore, a reinforcing rib 8 is provided between the support bar 3 and the seat portion 1 to restrict the forward and rearward swing of the support bar 3. The reinforcing rib 8 is angle steel, and two ends of the reinforcing rib are respectively welded with the support rod piece 3 and the seat part 1.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (3)
1. An air stay bar reinforcing device of a vehicle-mounted child safety seat, comprising:
A seat, headrest and backrest;
the two support rods are arranged at the back of the backrest, are symmetrically arranged at the rear part of the seat part respectively, and are connected with the headrest through the support rods;
the air supporting rod is arranged between the supporting rod pieces and is used for jacking the headrest;
The first connecting piece is arranged between the support rod pieces and is connected to the upper end part of the air support rod piece;
a lateral connecting member provided between the backrest portion and the outside of the seat portion;
The first connecting piece comprises a bending part, and is connected with the gas stay rod through the bending part; the bending part is positioned at the rear part of the gas stay rod;
The first connecting piece further comprises a fastening part, wherein the fastening part is positioned at the front part of the gas strut, and the fastening part is matched with the bending part to limit the radial movement of the gas strut;
The air stay bar reinforcing device further comprises a second connecting piece, and the second connecting piece is arranged between the support rod piece and the air stay bar; the second connecting piece comprises a fixed end and a free end, wherein the fixed end is connected with the support rod piece, and the free end is arranged at the rear part of the joint of the first connecting piece and the gas stay rod.
2. The gas strut reinforcement apparatus according to claim 1, further comprising a third connecting member provided between the support bars and connected to a lower end portion of the gas strut member; the connection of the lateral connecting piece on the support rod corresponds to the connection of the third connecting piece on the support rod.
3. The gas strut reinforcement device of claim 1 or 2, wherein said seat comprises a seat plate; a side support plate part which is arc-shaped outwards and extends upwards is arranged on the outer side of the seat plate part; the lateral connecting piece extends in an arc shape and is connected with the lateral supporting plate part of the seat part in an intersecting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995895.5A CN109278603B (en) | 2018-08-29 | 2018-08-29 | Gas stay bar reinforcing device of vehicle-mounted child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995895.5A CN109278603B (en) | 2018-08-29 | 2018-08-29 | Gas stay bar reinforcing device of vehicle-mounted child safety seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278603A CN109278603A (en) | 2019-01-29 |
| CN109278603B true CN109278603B (en) | 2024-05-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810995895.5A Active CN109278603B (en) | 2018-08-29 | 2018-08-29 | Gas stay bar reinforcing device of vehicle-mounted child safety seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN109278603B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162013A (en) * | 2021-11-23 | 2022-03-11 | 浙江迈嘉婴童用品有限公司 | Child seat with head support reinforcing structure |
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| CN109278603A (en) | 2019-01-29 |
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Effective date of registration: 20210830 Address after: 315105 building 13, No. 359, Chengxin East Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant after: Butong safety technology (Ningbo) Co.,Ltd. Address before: 310000 Gua Li Zhen Dong Fang Cun, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU YUEMENG INDUSTRY Co.,Ltd. |
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