CN108407956B - Folding frame - Google Patents
Folding frame Download PDFInfo
- Publication number
- CN108407956B CN108407956B CN201810311749.6A CN201810311749A CN108407956B CN 108407956 B CN108407956 B CN 108407956B CN 201810311749 A CN201810311749 A CN 201810311749A CN 108407956 B CN108407956 B CN 108407956B
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- China
- Prior art keywords
- rod
- pivoted
- pivot point
- folding
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
Abstract
The invention discloses a folding frame which comprises a front wheel bracket, a front wheel rod, a rear wheel bracket, a rear wheel rod, a driving rod and a seat supporting rod, wherein the front wheel bracket is arranged on the front wheel bracket; the front end of the front vehicle rod is pivoted with the front wheel bracket to form a first pivot point, and the rear end of the front vehicle rod is pivoted with the lower end of the rear vehicle rod to form a second pivot point; the middle part of the rear car rod is crossed with the seat supporting rod and pivoted to form a pivot point III; the lower end of the seat supporting rod is connected with the rear wheel bracket; the front end of the driving rod is pivoted with the front car rod to form a pivot point IV, and the rear end of the driving rod is pivoted with the seat support rod to form a pivot point V; the rear end of the front vehicle rod is provided with a propping plane, the lower end of the rear vehicle rod is provided with a propping part, and the propping part is propped against the propping plane to support the unfolding state of the whole vehicle frame. The folding bicycle frame has the advantages of convenience in folding, small folding volume and convenience in carrying and use.
Description
Technical Field
The invention relates to a frame, in particular to a folding frame.
Background
Along with the development of science and technology and the improvement of living standard of people, the electric vehicle is developed into a medical walking aid from a simple travel walking aid, and is more and more favored by partial disabled people. The existing foldable electric scooter is simple in folding mode, the folded volume is still large, and when the scooter body is folded, operation steps are complex, and the foldable electric scooter is particularly suitable for people inconvenient to move by body, so that the complicated folding work is more difficult and labor-consuming, and the use convenience is not high.
Based on the above-mentioned shortcomings, therefore, a folding bicycle frame is needed, which is convenient to fold, small in folding volume and convenient to carry and use.
Disclosure of Invention
The invention aims to provide a folding frame which is convenient to fold, small in folding volume and convenient to carry and use.
In order to achieve the above purpose, the folding bicycle frame provided by the invention comprises a front wheel bracket, a front bicycle rod, a rear wheel bracket, a rear bicycle rod, a driving rod and a seat supporting rod; the front end of the front vehicle rod is pivoted with the front wheel bracket to form a first pivot point, and the rear end of the front vehicle rod is pivoted with the lower end of the rear vehicle rod to form a second pivot point; the middle part of the rear car rod is crossed with the seat supporting rod and pivoted to form a pivot point III; the lower end of the seat supporting rod is connected with the rear wheel bracket; the front end of the driving rod is pivoted with the front car rod to form a pivot point IV, and the rear end of the driving rod is pivoted with the seat support rod to form a pivot point V; the rear end of the front vehicle rod is provided with a propping plane, the lower end of the rear vehicle rod is provided with a propping part, and the propping part is propped against the propping plane to support the unfolding state of the whole vehicle frame.
Compared with the prior art, the front wheel support, the front wheel rod, the rear wheel support, the rear wheel rod and the seat support rod are utilized to form the foldable frame, and the driving rod is connected between the front wheel rod and the seat support rod, so that the front end of the driving rod can be utilized to drive the rear end of the front wheel rod to swing upwards, and the front wheel rod and the rear wheel rod are mutually closed and folded; meanwhile, the rear end of the driving rod is utilized to drive the seat supporting rod to turn over at a large angle, so that the seat supporting rod is close to the front vehicle rod and the rear vehicle rod, and the rear wheel is turned upwards to be above the front wheel in the same vertical direction after being folded, so that the defect of large folding volume caused by side in the horizontal direction after the front wheel and the rear wheel are folded is effectively avoided, and the folding volume of the vehicle frame is greatly reduced; therefore, the whole folding frame is mutually linked, each rod piece is synchronously folded, the folding is simple, the use is convenient, the volume after the folding is small, and the folding frame is favorable for carrying and storing.
Preferably, the fourth pivot point is located at the rear of the second pivot point.
Preferably, the fifth pivot point is located between the third pivot point and the lower end portion of the seat support rod.
Preferably, the abutment portion is bent downward relative to the rear axle, and the abutment plane faces the abutment portion and extends downward.
Preferably, the folding frame further comprises a pull rod, the front end of the pull rod is pivoted with the front wheel bracket to form a pivot point six, and the rear end of the pull rod is pivoted with the front end of the driving rod to form a pivot point seven. The pull rod can pull the front wheel support backwards when the pull rod is folded, so that the front wheel support and the seat support rod are mutually close.
Specifically, the seventh pivot point is located behind the fourth pivot point.
Specifically, the front end of the pull rod is bent and extends to form a pushing part, a steering piece is pivoted to the front wheel support, a front wheel is arranged at one end of the steering piece, the other end of the steering piece corresponds to the pushing part, and when the frame is folded, the pushing part drives the steering piece to swing, so that the steering piece drives the front wheel to swing. The pushing part is linked with the steering part, so that the front wheels can be simultaneously aligned when the frame is folded, the frame is folded more neatly, and the folding effect is improved.
Preferably, the folding frame further comprises a seat plate, the seat plate is provided with a sliding rail along the front-rear direction, the upper end of the seat supporting rod is slidingly arranged on the sliding rail, and the upper end of the rear vehicle rod is pivoted to the rear end of the seat plate to form a pivot joint eight.
Specifically, the slide rail is a first long hole, and the upper end of the seat support rod is inserted into the first long hole in a sliding manner.
Specifically, the slide rail is a guide flange, a sliding block is pivoted at the upper end of the seat support rod, and the sliding block is matched with the guide flange in a sliding manner.
Specifically, the seat board is pivoted with a backrest, and the backrest is pivoted with an armrest support arm.
More specifically, the folding frame further comprises a handrail linkage rod, the lower end of the handrail linkage rod is pivoted to the upper end of the seat support rod, the upper end of the handrail linkage rod is pivoted to the handrail support arm, a second long hole is formed in the handrail linkage rod, a pin is arranged on the side wall of the seat plate, and the pin is inserted into the second long hole in a relatively sliding mode. By arranging the armrest connecting rod, the armrest support arm and the backrest can be synchronously folded along with the folding of the frame, the folding step is simplified, and the folding convenience is improved.
Drawings
Fig. 1 is a perspective view of a folding chassis of the present invention.
Fig. 2 is a perspective view of another angle of the folding chassis of the present invention.
Fig. 3 is a side view of the folded frame of the present invention after deployment.
Fig. 4 is a structural view showing another connection form of the seat support bar and the seat of the folding frame of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 2.
Fig. 6 is a side view of the folding chassis of the present invention in a semi-folded condition.
Fig. 7 is a side view of the folded frame of the present invention after folding.
Detailed Description
In order to describe the technical content, the constructional features and the effects achieved by the present invention in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, 3 and 5, the folding bicycle frame 100 of the present invention comprises a front wheel bracket 1, a front wheel bar 2, a rear wheel bracket 3, a rear wheel bar 4, a driving bar 5, a seat support bar 6 and a tie bar 7; the front end of the front vehicle rod 2 is pivoted with the front wheel bracket 1 to form a pivot point A, and the rear end of the front vehicle rod 2 is pivoted with the lower end of the rear vehicle rod 4 to form a pivot point B; the middle part of the rear car rod 4 and the seat support rod 6 are arranged in a crossing way and are pivoted to form a pivot point three c; the lower end of the seat support rod 6 is connected with the rear wheel bracket 3; specifically, the seat support bar 6 may be fixedly connected to the rear wheel bracket 3, or may be pivotally connected to the rear wheel bracket 3 with a shock absorber interposed therebetween; the front end of the driving rod 5 is pivoted with the front vehicle rod 2 to form a pivot point IV d, and the pivot point IV d is positioned behind the pivot point II b. The driving rod 5 is in an arched bending structure, and the rear end of the driving rod 5 is pivoted with the seat supporting rod 6 to form a pivot point five e; the pivot point five e is located between the pivot point three c and the lower end of the seat support bar 6.
As shown in fig. 1, 3 and 6, the rear end of the front axle 2 is provided with a supporting plane 21, the lower end of the rear axle 4 is provided with a supporting portion 41, the supporting portion 41 is bent downward relative to the rear axle 4, the second pivot point b is located at the lower end of the supporting portion 41, the supporting plane 21 faces the rear of the frame and corresponds to the supporting portion 41, and the front side surface of the supporting portion 41 abuts against the supporting plane 21 to support the unfolded state of the whole frame and realize bearing when the frame is unfolded.
Referring to fig. 3 and 5, the front end of the pull rod 7 is pivotally connected to the front wheel bracket 1 to form a pivot point hexaf, the pivot point hexaf is located below the pivot point a, and the rear end of the pull rod 7 is pivotally connected to the front end of the driving rod 5 to form a pivot point heptag. The pivot point seven g is located behind the pivot point four d. The pull rod 7 can pull the front wheel bracket 1 backwards when being folded, so that the front wheel bracket 1 and the seat support rod 6 are mutually close.
Referring to fig. 3 and 5, the front end of the pull rod 7 is bent downward to extend a pushing portion 71, a pushing post 71a horizontally extends outside the pushing portion 71, the front wheel support 1 is pivotally connected to a steering member 11 through a pivot shaft 1a, the pivot shaft 1a is vertically disposed, a front wheel 110 is disposed at one end of the steering member 11, an abutting surface 11a is disposed at the other end of the steering member 11, and the abutting surface 11a corresponds to the pushing post 71 a. When the swing angle of the two front wheels 110 is the maximum, the pushing post 71a of one of the tie rods 7 at the two sides of the frame contacts with the corresponding contact surface 11a, and at this time, the pushing post 71a of the other tie rod 7 is far away from the corresponding contact surface 11 a; when the frame is folded, the pushing post 71a drives the steering member 11 to swing, so that the steering member 11 drives the front wheels 110 to align. By means of the linkage of the pushing part 71 and the steering part 11, the front wheel 110 can be simultaneously aligned when the frame is folded, so that the frame is folded more neatly, and the folding effect is improved.
Referring to fig. 3, the folding frame 100 further includes a seat board 8, a backrest 9, an armrest support arm 10 and an armrest linkage 101, wherein the seat board 8 is provided with a sliding rail along a front-rear direction, the sliding rail is a first elongated hole 81, the first elongated hole 81 is provided on a side wall of the seat board 8, an upper end of the seat support bar 6 is pivotally connected to the seat board 8 to form a pivot point nine k, and a pivot shaft on the pivot point nine k is slidably provided in the first elongated hole 81. The upper end of the rear vehicle rod 4 is bent inwards and pivoted to the middle part of the rear end of the seat plate 8 to form a pivot point eight h. The backrest 9 is pivoted to the middle of the rear end of the seat plate 8, and the rear end of the armrest support arm 10 is pivoted to the side edge of the backrest 9. The lower end of the armrest linkage rod 101 is pivoted to the upper end of the seat support rod 6, and a pivot point ten m is positioned between the pivot point three c and a pivot point nine k; the upper end of the armrest linkage rod 101 is pivoted to the front end of the armrest support arm 10, a second elongated hole 101a is formed in the armrest linkage rod 101, a pin 82 is disposed on the side wall of the seat plate 8, and the pin 82 is inserted into the second elongated hole 101a in a relatively sliding manner. By arranging the armrest linkage rod 101, the armrest support arm 10 and the backrest 9 can be synchronously folded along with the folding of the frame, the folding step is simplified, and the folding convenience is improved.
In addition, as shown in fig. 4, the sliding rail of the seat board 8 may be a guiding flange 81', the guiding flange 81' is disposed at the bottom of the seat board 8, a sliding block 61 is pivotally connected to the upper end of the seat support bar 6, and the sliding block 61 is slidably engaged with the guiding flange 81 '. The function of the sliding engagement of the guide flange 81' with the slider 61 is to facilitate folding of the seat support bar 6 and seat pan 8, as is the case with the first elongate hole 81.
In summary, the folding principle of the folding bicycle frame 100 of the present invention is described in detail below with reference to fig. 3, 6 and 7, as follows:
When the folding bicycle is folded, the driving rod 5 is driven by the driving device on the folding bicycle frame 100, the driving rod 5 swings, at this time, the front end of the driving rod 5 swings upwards, the front end of the driving rod 5 drives the rear end of the front bicycle rod 2 and the rear end of the pull rod 7 to swing upwards, the abutting plane 21 of the rear end of the front bicycle rod 2 is separated from the abutting part 41 of the front end of the rear bicycle rod 4, and the front end of the rear bicycle rod 4 also swings upwards along with the rear end of the front bicycle rod 2, and meanwhile, the pull rod 7 pulls the front wheel bracket 1 to move backwards. At the same time, the rear end of the driving rod 5 swings downwards, and the rear end of the driving rod 5 drives the seat support rod 6 to swing, so that the seat support rod 6 rotates around the pivot point tri c, and the rear wheel bracket 3 swings upwards and forwards. In addition, the seat support rod 6 rotates to drive the armrest linkage rod 101, and the armrest linkage rod 101 drives the quadrilateral support formed by the armrest support arm 10, the backrest 9 and the seat plate 8 to deform and fold, so that the seat plate 8, the backrest 9 and the armrests can be synchronously folded. At this time, each rod of the whole frame is drawn toward the middle of the frame. As the folding proceeds, the front cart bar 2, the pull bar 7, the rear cart bar 4 and the driving bar 5 are mutually close together, and the seat support bar 6 is also close to the bar after rotating clockwise by more than 180 degrees; at this time, the rear wheel bracket 3 and the rear wheel 120 are positioned at the upper portion of the folded frame.
Compared with the prior art, the front wheel support 1, the front vehicle rod 2, the rear wheel support 3, the rear vehicle rod 4 and the seat support rod 6 are utilized to form a foldable frame, and the driving rod 5 is connected between the front vehicle rod 2 and the seat support rod 6, so that the front end of the driving rod 5 can be utilized to drive the rear end of the front vehicle rod 2 to swing upwards, and the front vehicle rod 2 and the rear vehicle rod 4 are mutually closed and folded; meanwhile, the rear end of the driving rod 5 is utilized to drive the seat supporting rod 6 to turn over at a large angle, so that the seat supporting rod 6 is close to the front trolley rod 2 and the rear trolley rod 4, and the rear wheel 120 is turned upwards to be in the same vertical direction with the front wheel 110 after being folded, thereby effectively avoiding the defect of large folding volume caused by side in the horizontal direction after the front wheel 110 and the rear wheel 120 are folded, and greatly reducing the folding volume of the vehicle frame; therefore, the whole folding frame 100 is mutually linked, each rod piece is synchronously folded, the folding is simple, the use is convenient, the volume after folding is small, and the folding frame is favorable for carrying and storing.
The foregoing disclosure is merely illustrative of the principles of the present invention, and thus, it is intended that the scope of the invention be limited thereto and not by this disclosure, but by the claims appended hereto.
Claims (12)
1. A folding bicycle frame, characterized in that: comprises a front wheel bracket, a front vehicle rod, a rear wheel bracket, a rear vehicle rod, a driving rod and a seat supporting rod; the front end of the front vehicle rod is pivoted with the front wheel bracket to form a first pivot point, and the rear end of the front vehicle rod is pivoted with the lower end of the rear vehicle rod to form a second pivot point; the middle part of the rear car rod is crossed with the seat supporting rod and pivoted to form a pivot point III; the lower end of the seat supporting rod is connected with the rear wheel bracket; the front end of the driving rod is pivoted with the front car rod to form a pivot point IV, and the rear end of the driving rod is pivoted with the seat support rod to form a pivot point V; the rear end of the front vehicle rod is provided with a propping plane, the lower end of the rear vehicle rod is provided with a propping part, and the propping part is propped against the propping plane to support the unfolding state of the whole vehicle frame; the rear end of the driving rod drives the seat supporting rod to swing when being folded, so that the rear wheel bracket swings towards the front upper side and is positioned at the upper part of the folding frame after being folded.
2. The folding chassis of claim 1, wherein: the fourth pivot point is located behind the second pivot point.
3. The folding chassis of claim 1, wherein: the fifth pivot point is located between the third pivot point and the lower end portion of the seat support rod.
4. The folding chassis of claim 1, wherein: the propping part is bent downwards relative to the rear vehicle rod, and the propping plane faces the propping part and extends downwards.
5. The folding chassis of claim 1, wherein: the folding frame also comprises a pull rod, the front end of the pull rod is pivoted with the front wheel bracket to form a pivot joint six, and the rear end of the pull rod is pivoted with the front end of the driving rod to form a pivot joint seven.
6. The folding chassis of claim 5, wherein: the seventh pivot point is located behind the fourth pivot point.
7. The folding chassis of claim 5, wherein: the front end of the pull rod is bent and extended to form a pushing part, the front wheel support is pivoted with a steering piece, one end of the steering piece is provided with a front wheel, the other end of the steering piece corresponds to the pushing part, and when the frame is folded, the pushing part drives the steering piece to swing so that the steering piece drives the front wheel to swing.
8. The folding chassis of claim 1, wherein: the folding frame further comprises a seat plate, the seat plate is provided with a sliding rail along the front-rear direction, the upper end of the seat supporting rod is slidingly arranged on the sliding rail, and the upper end of the rear vehicle rod is pivoted with the rear end of the seat plate to form a pivot joint eight.
9. The folding chassis of claim 8, wherein: the sliding rail is a first long hole, and the upper end of the seat supporting rod is inserted into the first long hole in a sliding manner.
10. The folding chassis of claim 8, wherein: the sliding rail is a guide flange, the upper end of the seat supporting rod is pivoted with a sliding block, and the sliding block is matched with the guide flange in a sliding manner.
11. The folding chassis of claim 8, wherein: the seat board is pivoted with a backrest, and the backrest is pivoted with a handrail support arm.
12. The folding chassis of claim 11, wherein: the folding frame further comprises an armrest linkage rod, the lower end of the armrest linkage rod is pivoted to the upper end of the seat support rod, the upper end of the armrest linkage rod is pivoted to the armrest support arm, a second long hole is formed in the armrest linkage rod, a pin is arranged on the side wall of the seat plate, and the pin is inserted into the second long hole in a relatively sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311749.6A CN108407956B (en) | 2018-04-09 | 2018-04-09 | Folding frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311749.6A CN108407956B (en) | 2018-04-09 | 2018-04-09 | Folding frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108407956A CN108407956A (en) | 2018-08-17 |
| CN108407956B true CN108407956B (en) | 2024-04-26 |
Family
ID=63134862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311749.6A Active CN108407956B (en) | 2018-04-09 | 2018-04-09 | Folding frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108407956B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619714B (en) * | 2020-06-05 | 2021-07-09 | 苏州科拜车业有限公司 | Article basket of folding seat of bicycle and folding bicycle |
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| CN200942835Y (en) * | 2006-09-13 | 2007-09-05 | 汕头市禧天逸电动代步车有限公司 | Foldable electric boosting vehicle |
| CN102951236A (en) * | 2012-11-02 | 2013-03-06 | 武济群 | Foldable bicycle frame |
| CN106184549A (en) * | 2016-07-21 | 2016-12-07 | 东莞威信运动用品有限公司 | Folding stand |
| US9533729B1 (en) * | 2016-04-20 | 2017-01-03 | Perfect Union Co., Ltd. | Foldable electrically powered vehicle |
| CN206187214U (en) * | 2016-10-19 | 2017-05-24 | 鸿富锦精密工业（深圳）有限公司 | Folding bicycle |
| CN206218108U (en) * | 2016-11-11 | 2017-06-06 | 浙江英洛华康复器材有限公司 | Electric folding vehicle instead of walk |
| CN107010153A (en) * | 2017-05-18 | 2017-08-04 | 南京金百合医疗器械有限公司 | One key folding scooter |
| CN206856874U (en) * | 2017-04-28 | 2018-01-09 | 深圳市柏英特电子科技有限公司 | A kind of multi link fold mechanism applied to automatic folding scooter |
| CN208198703U (en) * | 2018-04-09 | 2018-12-07 | 东莞威信运动用品有限公司 | Folding stand |
-
2018
- 2018-04-09 CN CN201810311749.6A patent/CN108407956B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942835Y (en) * | 2006-09-13 | 2007-09-05 | 汕头市禧天逸电动代步车有限公司 | Foldable electric boosting vehicle |
| CN102951236A (en) * | 2012-11-02 | 2013-03-06 | 武济群 | Foldable bicycle frame |
| US9533729B1 (en) * | 2016-04-20 | 2017-01-03 | Perfect Union Co., Ltd. | Foldable electrically powered vehicle |
| CN106184549A (en) * | 2016-07-21 | 2016-12-07 | 东莞威信运动用品有限公司 | Folding stand |
| CN206187214U (en) * | 2016-10-19 | 2017-05-24 | 鸿富锦精密工业（深圳）有限公司 | Folding bicycle |
| CN206218108U (en) * | 2016-11-11 | 2017-06-06 | 浙江英洛华康复器材有限公司 | Electric folding vehicle instead of walk |
| CN206856874U (en) * | 2017-04-28 | 2018-01-09 | 深圳市柏英特电子科技有限公司 | A kind of multi link fold mechanism applied to automatic folding scooter |
| CN107010153A (en) * | 2017-05-18 | 2017-08-04 | 南京金百合医疗器械有限公司 | One key folding scooter |
| CN208198703U (en) * | 2018-04-09 | 2018-12-07 | 东莞威信运动用品有限公司 | Folding stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108407956A (en) | 2018-08-17 |
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Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Applicant after: Guangdong Qunwang Technology Co.,Ltd. Address before: 523000 Dongguan Weixin sporting goods Co., Ltd., Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN PRESTIGE SPORTING PRODUCTS Co.,Ltd. |
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