CN111483363A - Headrest height adjusting mechanism and child safety seat - Google Patents
Headrest height adjusting mechanism and child safety seat Download PDFInfo
- Publication number
- CN111483363A CN111483363A CN201910089099.XA CN201910089099A CN111483363A CN 111483363 A CN111483363 A CN 111483363A CN 201910089099 A CN201910089099 A CN 201910089099A CN 111483363 A CN111483363 A CN 111483363A
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- headrest
- locking
- plate
- adjusting mechanism
- height adjusting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
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- 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 discloses a headrest height adjusting mechanism and a child safety seat, wherein the headrest height adjusting mechanism is used for adjusting the height of a headrest relative to a seat main body, the headrest comprises a backrest part, the headrest height adjusting mechanism comprises a headrest assembly arranged on the backrest part, and the headrest assembly comprises a headrest plate, a locking mechanism and a release piece; the headrest plate is arranged on the bottom wall of the backrest part and can slide up and down relative to the backrest part in an adjustable way; the locking mechanism is arranged in the backrest part and used for positioning the sliding position of the head rest plate on the backrest part; the unlocking piece is used for driving the locking mechanism to unlock; the headrest height adjusting mechanism can adjust the height of the headrest plate according to the height of a user in the using process, the backrest part of the headrest is fixed and the upper position and the lower position of the headrest plate are adjusted in the adjusting process, so that the mounting structure between the backrest part and the seat main body is simplified, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of headrest adjustment of child safety seats, in particular to a headrest height adjusting mechanism for a child safety seat and the child safety seat.
Background
With the increasing number of private cars, the number of child safety seats mounted on the private cars is increasing, and naturally, the requirements on the child safety seats are higher and higher. The child safety seat is a device which is arranged on an automobile, is used for children to take, has a binding function and ensures the safety of children going out. With the rapid increase of automobile keeping quantity, despite the adoption of various advanced technologies and measures, the children casualties caused by traffic accidents are far higher than the children casualties caused by any other reasons. Therefore, the proper selection and use of the child safety seat for the car is considered to be one of the most effective methods for protecting the safety of the child when traveling in a car.
The seat main body of the conventional child safety seat mainly comprises a backrest and a base, wherein a headrest is arranged on the backrest, the base is used for being connected with an automobile ISOFIX (International standards organization FIX) fixed connection, and the backrest and the headrest are respectively used for supporting the back and the head of a child. The headrest and the seat main part of traditional children's safety seat are integrated into one piece or fixed package assembly, can't adjust, because children grow very fast in the development phase, along with the change of height, original headrest has not been can not adapt to the requirement of health, must often change the children's safety seat of bigger specification, model and just can satisfy the operation requirement, increased user use cost intangibly, the suitability is poor.
At present, some adjustable headrest structures are also available in the market, but the distance between the backrest part of the headrest and the seat main body is mostly directly adjusted, the adjusting structure is complex, and the operation difficulty is high.
Disclosure of Invention
The invention aims to provide a headrest height adjusting mechanism which can adjust the use height of a headrest under the condition that a headrest main body is not moved so as to achieve the purpose of convenient installation and operation.
In order to achieve the above object, the present invention discloses a headrest height adjusting mechanism for adjusting the height of a headrest relative to a seat main body, the headrest comprising a backrest portion, the headrest height adjusting mechanism comprising a headrest assembly disposed on the backrest portion, the headrest assembly comprising a headrest plate, a locking mechanism and a lock release member; the headrest plate is arranged on the bottom wall of the backrest part and can slide up and down relative to the backrest part in an adjustable way; the locking mechanism is arranged in the backrest part and used for positioning the sliding position of the head rest plate on the backrest part; the unlocking piece is used for driving the locking mechanism to unlock.
Compared with the prior art, the headrest height adjusting mechanism is provided with a headrest assembly for adjusting the height of a headrest on a backrest part, the headrest assembly comprises a headrest plate which can slide up and down along the backrest part, the headrest plate is a support for supporting the head of a child, the height of the headrest plate can be adjusted according to the height of a user in the use process, when the headrest height adjusting mechanism is used, a lock releasing piece is firstly actuated to unlock the locking mechanism, then the headrest plate is pushed to slide up and down, when the headrest plate is adjusted to a proper position, the lock releasing piece is released, and the headrest plate is fixed at the position by the locking mechanism; therefore, in the adjusting process, the backrest part of the headrest is fixed, and the up-and-down position of the headrest plate is adjusted, so that the installation structure between the backrest part and the seat main body is simplified, and the operation is simple and convenient.
Preferably, the locking mechanism comprises a plurality of clamping grooves arranged at a certain preset interval in the backrest part along the vertical extending direction of the backrest part, and a fixing piece capable of sliding up and down along the clamping grooves in an adjustable mode, the fixing piece is connected with the headrest plate, and a locking block capable of locking the fixing piece and the clamping grooves together is arranged in the fixing piece.
Preferably, the bottom wall of the backrest part is provided with a through groove, a supporting beam extending up and down is arranged in the through groove, the clamping grooves are formed in the left side and the right side of the supporting beam, and the fixing part penetrates through the through groove to be connected with the headrest plate.
Preferably, an accommodating space is formed in one side, close to the clamping groove, of the fixing piece, the locking block is arranged in the accommodating space, a clamping protrusion matched with the clamping groove is arranged on the locking block, the locking block can slide back and forth along the fixing piece, the locking protrusion on the locking block can be controlled by the unlocking piece to exit from the clamping groove, and locking and unlocking of the fixing piece are achieved through back and forth sliding of the locking block.
Preferably, the two opposite side walls of the accommodating space are provided with sliding grooves, and two ends of the locking block are provided with navigation arms sliding along the sliding grooves.
Preferably, the locking mechanism further comprises an elastic element, one end of the elastic element is abutted to the fixing element, the other end of the elastic element is abutted to the locking block, and the clamping protrusion on the fixing block is pushed into the clamping groove through the elastic force of the elastic element.
Preferably, the release member includes a pull-handle portion and an urging portion disposed at a back portion of the pull-handle portion, and when the pull-handle portion is pulled, the urging portion urges the navigation arm on the locking block so that the locking protrusion exits the locking groove.
Preferably, a groove is arranged on the head rest plate, the pull handle is positioned in the groove, and the upper surface of the pull handle is flush with the notch of the groove.
Preferably, the upper end of the headrest plate is provided with a handle connected with the headrest plate, and the handle is used for pushing the puller headrest plate.
The invention also discloses a child safety seat which comprises a seat main body and a headrest arranged on the seat main body, wherein the headrest comprises a backrest part connected with the seat main body and the headrest height adjusting mechanism arranged on the backrest part.
Preferably, the lower end of the backrest part is provided with a support plate connected thereto, the lower end of the support plate is inserted into the seat body, and the support plate is used to support the head rest when the head rest extends downward out of the backrest part.
Drawings
Fig. 1 is a perspective view of a headrest of a child safety seat according to an embodiment of the present invention.
Fig. 2 is a perspective view of a headrest of a child safety seat according to another embodiment of the present invention.
Fig. 3 is a schematic back structure view of a headrest of a child safety seat according to an embodiment of the present invention.
Fig. 4 is a schematic view illustrating a state where a back plate of a headrest of a child safety seat is opened according to an embodiment of the present invention.
Fig. 5 is an exploded view of the fixing member and the locking member of the headrest of the child safety seat according to the embodiment of the present invention.
Fig. 6 is a structural view illustrating a structure in which a release member provided in a headrest of a child safety seat according to an embodiment of the present invention is in a locked state.
Fig. 7 is a structural diagram illustrating a release member on a headrest of a child safety seat in a release state according to an embodiment of the present invention.
FIG. 8 is a partial cross-sectional view of a locking mechanism of a child safety seat in accordance with an embodiment of the present invention.
Fig. 9 is a perspective view of a child safety seat according to an embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, implementation principles, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in combination with the embodiments.
The invention discloses a child safety seat, which comprises a seat body 1 and a headrest arranged on the seat body 1, wherein the headrest comprises a backrest part 20 connected with the seat body 1, and in order to adapt to a child without height, the headrest in the embodiment is provided with a headrest height adjusting mechanism for adjusting the height of the headrest, the headrest height adjusting mechanism comprises a headrest assembly arranged on the backrest part 20, and the headrest assembly comprises a headrest plate 210, a locking mechanism and a release piece 215. The headrest plate 210 is disposed on the bottom wall of the backrest 20 and is slidable up and down relative to the backrest 20. The locking mechanism is disposed in the backrest 20 for positioning the sliding position of the headrest plate 210 on the backrest 20, and the release member 215 is used for driving the locking mechanism to release.
Referring to fig. 1 and 2 in combination, fig. 1 is a schematic view illustrating a state where the head rest 210 is adjusted to a lower end, and fig. 2 is a schematic view illustrating a state where the head rest 210 is adjusted to an upper end. The headrest height adjusting mechanism with the structure does not need to move the backrest part 20 connected with the seat body 1 in the working process, and is realized by adjusting the headrest assembly arranged on the backrest part 20, and the specific process is as follows: the lock release 215 is operated to unlock the lock mechanism, and then the head rest 210 is pushed to slide up and down, and when the head rest is adjusted to a proper position, the lock release 215 is released, and the head rest 210 is fixed at the position by the lock mechanism, so that the operation is simple, and the installation and connection structure between the backrest part 20 and the seat body 1 is simplified. In order to facilitate pushing the slider backup plate 210, it is preferable that the upper end of the headrest plate 210 is provided with a handle 211 connected thereto, and the handle 211 is used to push the slider backup plate 210.
Referring to fig. 4 and 5 in combination, a further improvement is that the locking mechanism includes a plurality of slots 202 disposed at a predetermined interval in the backrest 20 along the vertical extending direction of the backrest 20, and a fixing member 212 slidably movable up and down along the slots 202, the fixing member 212 is connected to the headrest plate 210, and a locking block 213 for locking the fixing member 212 and the slots 202 together is disposed in the fixing member 212. as the fixing member 212 is connected to the headrest plate 210, the fixing member 212 is locked to different slots 202 by adjusting the fixing member 212 to adjust the height of the headrest plate 210, and the adjustment gradient can be controlled by setting the interval of the slots 202. regarding the arrangement of the slots 202, in the present embodiment, a through groove 200 is formed in the bottom wall of the backrest 20, a support beam 201 extending up and down is disposed in the through groove 200, the support beam 202 is disposed on the left and right sides of the support beam 201, the fixing member 212 passes through the through groove 200 to be connected to the headrest plate 210. as shown in fig. 5 and 6, the fixing member 212 in the present embodiment is a member having an overall "" structure, and includes two through holes 205 for facilitating the installation of the fixing member 200, and a cover plate, and a screw hole 2120 is disposed on the fixing member, and a cover plate, and a connecting arm 205 are disposed on the fixing member, and a cover plate, and a connecting arm 205, and a cover plate 200, and a cover plate are disposed on the fixing member, and a cover plate, and a connecting arm.
In a further improvement, referring to fig. 5, an accommodating space 2123 is provided on one side of the fixing member 212 close to the locking groove 202, that is, the accommodating space 2123 is provided inside the fixing portion 2121, the locking block 213 is provided in the accommodating space 2123, the locking block 213 is provided with a locking protrusion 2130 adapted to the locking groove 202, since the left and right sides of the support beam 201 are provided with the locking groove 202, both ends of the locking block 213 are provided with a locking protrusion 2130, and the locking block 213 can slide back and forth along the fixing member 212, when the unlocking member 215 is actuated, the unlocking member 215 controls the locking protrusion 2130 on the locking block 213 to exit from the locking groove 202, and the locking and unlocking of the fixing member 212 are achieved by the back and forth sliding of the locking block 213. When the locking block 213 slides to the front side of the support beam 201, the protrusion 2130 of the locking block 213 enters the slot 202, and the protrusion 2130 and the slot 202 are buckled to each other, so as to lock the fixing member 212 at the position, thereby achieving the purpose of locking the head backup plate 210. When the lock needs to be released, the release piece 215 is actuated to make the locking block 213 slide backward away from the support beam 201, the locking protrusion 2130 is separated from the locking groove 202, the fixing piece 212 is restored to the free state, and then the head rest plate 210 can be pushed to slide up and down. Preferably, in order to prevent the lock block 213 from shifting during sliding, sliding grooves 2124 are disposed on two opposite sidewalls of the accommodating space 2123, and the two ends of the lock block 213 are provided with navigation arms 2131 sliding along the sliding grooves 2124, and the lock block 213 is substantially [ "shaped and is embedded in the fixing member 212. When the lock block 213 slides, the navigation arm 2131 of the lock block 213 slides along the slide slot 2124, thereby preventing the sliding direction from being shifted. In addition, when the releasing element 215 is released, in order to make the locking mechanism automatically enter the locking state, the locking mechanism further includes an elastic element 214, in this embodiment, the elastic element 214 is a spring, one end of the spring abuts against the fixed element 212, the other end of the spring abuts against the locking block 213, and the locking protrusion 2130 on the fixed block is pushed into the slot 202 by the elastic force of the spring. When the release member 215 is activated, the release member 215 needs to overcome the elastic force of the elastic member 214 to withdraw the protrusion 2130 of the locking block 213 from the slot 202.
Alternatively, as shown in fig. 6 to 8, fig. 6 shows a schematic view of the lock block 213 in a locked state, and fig. 7 shows a schematic view of the lock block 213 in a released state. The release member 215 includes a handle portion 2150 and a pushing portion 2151 provided at a back portion of the handle portion 2150, and when the handle portion 2150 is pulled, the pushing portion 2151 pushes the guide arm 2131 of the lock block 213 to make the catching protrusion 2130 exit from the catching groove 202. When the unlocking piece 215 is operated, the unlocking of the head rest plate 210 can be completed only by pulling the pull handle part 2150, so that the operation is convenient. In addition, as shown in fig. 1, in order to make the surface of the headrest plate 210 flat, a groove 2100 is formed in the headrest plate 210, the pull handle portion 2150 is located in the groove 2100, and the upper surface of the pull handle portion 2150 is flush with the notch of the groove 2100, so that the surface of the headrest plate 210 is flat and no foreign body sensation is felt on the headrest.
Referring to fig. 1 and 2, when the headrest plate 210 moves to the lowest end of the backrest portion 20, the lower end of the headrest plate 210 is suspended, which is not beneficial to the stability of the headrest 2, therefore, in another preferred embodiment of the child safety seat of the present invention, the lower end of the backrest portion 20 is provided with a support plate 22 connected thereto, the lower end of the support plate 22 is inserted into the seat body 1, and when the headrest plate 210 extends downward out of the backrest portion 20, the support plate 22 is used to support the headrest plate 210.
To sum up, the child safety seat disclosed by the invention is provided with the headrest capable of adjusting the height of the headrest, the backrest part 20 of the headrest is not required to be moved in the adjusting process, but the headrest height is adjusted by adjusting the headrest plate 210 positioned on the backrest part 20, the pull handle part 2150 is pulled up firstly during the adjusting process, the pushing part 2151 positioned on the back of the pull handle part 2150 pushes the clamping protrusion 2130 on the locking block 213 out of the clamping groove 202 in the pulling process to complete the unlocking, then the handle 211 positioned on the upper end of the headrest plate 210 is operated to drive the headrest plate 210 to move up and down, when the pull handle part 2150 is moved to a proper position, the headrest plate 210 can be unlocked again, the operation is convenient, and the structure is simple.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.
Claims (11)
1. The utility model provides a headrest height adjustment mechanism for adjust the relative seat main body's of headrest height, the headrest includes the back portion, its characterized in that, headrest height adjustment mechanism including set up in headrest subassembly on the back portion, headrest subassembly includes:
the head backup plate is arranged on the bottom wall of the backrest part and can slide up and down relative to the backrest part in an adjustable manner;
the locking mechanism is arranged in the backrest part and used for positioning the sliding position of the head rest plate on the backrest part;
the unlocking piece is used for driving the locking mechanism to unlock.
2. The headrest height adjusting mechanism according to claim 1, wherein the locking mechanism comprises a plurality of slots disposed at a predetermined distance along the vertical extension direction of the backrest portion in the backrest portion, and a fixing member capable of sliding up and down along the slots in an adjustable manner, the fixing member is connected to the headrest plate, and a locking block is disposed in the fixing member and can lock the fixing member and the slots together.
3. The headrest height adjusting mechanism according to claim 2, wherein a through groove is formed in a bottom wall of the backrest portion, a support beam extending up and down is disposed in the through groove, the locking grooves are disposed on left and right sides of the support beam, and the fixing member passes through the through groove and is connected with the headrest plate.
4. The headrest height adjusting mechanism of claim 2, wherein one side of the fixing member near the clamping groove is provided with an accommodating space, the locking block is arranged in the accommodating space, the locking block is provided with a locking protrusion matched with the clamping groove, the locking block can slide back and forth along the fixing member, the unlocking member is controllable, the locking protrusion on the locking block exits from the clamping groove, and the locking and unlocking of the fixing member are realized through the front and back sliding of the locking block.
5. The headrest height adjusting mechanism according to claim 4, wherein two opposite side walls of the accommodating space are provided with sliding grooves, and two ends of the locking block are provided with navigation arms sliding along the sliding grooves.
6. The headrest height adjusting mechanism according to claim 4, wherein the locking mechanism further comprises an elastic member, one end of the elastic member abuts against the fixing member, the other end of the elastic member abuts against the locking block, and the clamping protrusion on the fixing block is pushed into the clamping groove through the elastic force of the elastic member.
7. The headrest height adjusting mechanism according to claim 5, wherein said release member includes a handle portion and an urging portion disposed at a back portion of said handle portion, said urging portion urging said navigation arm on said locking block when said handle portion is pulled so that said catch is withdrawn from said catch groove.
8. The headrest height adjusting mechanism according to claim 7, wherein said headrest plate is provided with a groove, said pull portion is located in said groove, and an upper surface of said pull portion is flush with a notch of said groove.
9. The headrest height adjusting mechanism according to claim 1, wherein a handle is provided at an upper end of the headrest plate for pushing and pulling the headrest plate.
10. A child safety seat comprising a seat body and a headrest mounted on the seat body, the headrest comprising a backrest portion connected to the seat body and the headrest height adjustment mechanism of any of claims 1 to 9 disposed on the backrest portion.
11. The child safety seat according to claim 10, wherein a lower end of the backrest portion is provided with a support plate connected thereto, the support plate having a lower end inserted into the seat body for supporting the head rest when the head rest extends downward out of the backrest portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089099.XA CN111483363B (en) | 2019-01-29 | 2019-01-29 | Headrest height adjusting mechanism and child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089099.XA CN111483363B (en) | 2019-01-29 | 2019-01-29 | Headrest height adjusting mechanism and child safety seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111483363A true CN111483363A (en) | 2020-08-04 |
| CN111483363B CN111483363B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089099.XA Active CN111483363B (en) | 2019-01-29 | 2019-01-29 | Headrest height adjusting mechanism and child safety seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111483363B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116198396A (en) * | 2021-12-01 | 2023-06-02 | 宝钜(中国)儿童用品有限公司 | Headrest components, seats and car child safety seats |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060273637A1 (en) * | 2005-06-06 | 2006-12-07 | Combi Corporation | Child seat, ventilation portion structure of article and cover of article comprising the ventilation portion structure, and article for child |
| CN102602307A (en) * | 2011-01-18 | 2012-07-25 | 明门香港股份有限公司 | Combined structure of baby safety seat and its base |
| CN104875637A (en) * | 2015-06-15 | 2015-09-02 | 宁波永驰婴童用品有限公司 | Headrest height adjustment mechanism for child safety seat |
| CN205468640U (en) * | 2016-03-29 | 2016-08-17 | 蒙祖胜 | Children's safety seat head rest adjustment mechanism |
-
2019
- 2019-01-29 CN CN201910089099.XA patent/CN111483363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060273637A1 (en) * | 2005-06-06 | 2006-12-07 | Combi Corporation | Child seat, ventilation portion structure of article and cover of article comprising the ventilation portion structure, and article for child |
| CN102602307A (en) * | 2011-01-18 | 2012-07-25 | 明门香港股份有限公司 | Combined structure of baby safety seat and its base |
| CN104875637A (en) * | 2015-06-15 | 2015-09-02 | 宁波永驰婴童用品有限公司 | Headrest height adjustment mechanism for child safety seat |
| CN205468640U (en) * | 2016-03-29 | 2016-08-17 | 蒙祖胜 | Children's safety seat head rest adjustment mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116198396A (en) * | 2021-12-01 | 2023-06-02 | 宝钜(中国)儿童用品有限公司 | Headrest components, seats and car child safety seats |
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| Publication number | Publication date |
|---|---|
| CN111483363B (en) | 2023-03-28 |
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