CN102765449B - Folding frame - Google Patents
Folding frame Download PDFInfo
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- CN102765449B CN102765449B CN201110321597.6A CN201110321597A CN102765449B CN 102765449 B CN102765449 B CN 102765449B CN 201110321597 A CN201110321597 A CN 201110321597A CN 102765449 B CN102765449 B CN 102765449B
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- upper boom
- lower beam
- articulated
- folding stand
- folding
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- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a folding frame which comprises first upper rods, second lower rods, second upper rods, second lower rods, front rods, rear rods, pin-joint parts and link gears. The front end of each first upper rod and the front end of the corresponding first lower rod are respectively in pin joint with two ends of the corresponding front rod, the rear end of each first upper rod and the rear end of the corresponding first lower rod are respectively in pin joint with the upper end and the lower end of the corresponding pin-joint part, the front end of each second upper rod and the front end of the corresponding second lower rod are respectively in pin joint with the upper end and the lower end of the corresponding pin-joint part, the rear end of each second upper rod and the rear end of the corresponding second lower rod are respectively in pin joint with two ends of the corresponding rear rod, rear end surfaces of the first upper rods are abutted to front end surfaces of the second upper rods when the folding frame is horizontally unfolded, pin-joint positions of the front ends of the second lower rods are bent upwards and extend out of link portions, one end of each link gear is fixed onto the corresponding first upper rod, and the other end of each link gear is in pin joint with the tail end of the corresponding link portion. The folding frame is folded conveniently, is small in size after being folded and is convenient to carry, and space is saved.
Description
Technical field
The present invention relates to a kind of vehicle frame, relate in particular to a kind of folding convenient, Stability Analysis of Structures, saves parking space, folding stand easy to carry.
Background technology
Raising along with people's living standard, individual character, fashion, healthy, the life idea of environmental protection starts to be rooted in the hearts of the people, fashion is the daily necessities of environmental protection again, the vehicle etc. are subject to pursuing of more and more people, bicycle, battery-driven car also develops into a kind of fashion from a kind of simple walking-replacing tool, the symbol of healthy Lifestyle, also be one of Environment-protection Approach of setting an example by personally taking part, and saving parking space, the foldable bicycle being convenient for carrying or battery-driven car, its volume after folding is little and lightweight, carrying it downstairs upper, upper and lower elevator, ride in a bus and subway trip etc. all very convenient, and folded bicycle outward appearance is beautiful, of excellent workmanship, it is definitely fashionable group's very good equipment.
Existing Foldable bicycle or battery-driven car, its folding mode is all comparatively simple, one fold mechanism is set conventionally between front-wheel direction lever and body support, by fold mechanism, front-wheel direction lever and body support are folded, this folding mode is very simple, volume after folding is still larger, and reason is that its body support is not folding, and does not have a kind of good fold mechanism to use.Although occurred now a kind ofly carrying out folding fold mechanism to vehicle body, but, this kind of fold mechanism just carries out simple pivot joint by the front and back support of vehicle body, the folding stand structure consisting of it is extremely unstable, traffic safety can not get ensureing, and this vehicle body carried out to simple folding scooter, complex operation step, especially for some health action this with regard to inconvenient personage, the folding work that do complexity like this will be more difficult.
Deficiency based on above-mentioned, therefore, needs a kind of folding convenient, and Stability Analysis of Structures, saves parking space, folding stand easy to carry.
Summary of the invention
The object of the present invention is to provide a kind of folding convenient, Stability Analysis of Structures, saves parking space, folding stand easy to carry.
To achieve these goals, the invention provides a kind of folding stand, be installed on and on folded bicycle front-wheel support and rear wheel support, form vehicle body main body, described folding stand comprises the first upper boom, the first lower beam, the second upper boom, the second lower beam, front bar, rear bar, articulated part and link gear, the front end of described the first upper boom and the first lower beam respectively with the two ends pivot joint of described front bar, the rear end of described the first upper boom and the first lower beam is articulated in respectively the two ends up and down of described articulated part, the front end of described the second upper boom and the second lower beam is articulated in respectively the two ends up and down of described articulated part, the rear end of described the second upper boom and the second lower beam respectively with the two ends pivot joint of described rear bar, described in when folding stand horizontal development, the aft end face of the first upper boom and the front end face of described the second upper boom are conflicted, linkage portion is extended in the front end articulated section of described the second lower beam upwards bending, described link gear one end is fixed on described the first upper boom, the end pivot joint of the other end and described linkage portion.
Preferably, described link gear comprises connecting element and attaching parts, and described connecting element is fixed on the downside of rod rear end on described first, one end of described attaching parts and described connecting element pivot joint, the end pivot joint of the other end and described linkage portion.By described connecting element, be fixed on described the first upper boom downside, make described connecting element rotate and promote described attaching parts with described the first upper boom, thereby make described attaching parts promote the linkage portion of described the second lower beam, realize interlock.
Preferably, described the first upper boom and the second upper boom bottom offer groove, and described groove holds respectively described the first lower beam and the second lower beam when folding.Particularly, the upper surface of described the second upper boom offers the groove being connected with described groove, and described groove holds the linkage portion of described the second lower beam when folding.When described folding stand folding, described the first lower beam and the second lower beam are between described the first upper boom and the second upper boom, by offer described groove on described the first upper boom and the second upper boom, described the first lower beam and the second lower beam can be placed in described groove, thereby make folding stand more compact structure, save more space.
Preferably, described articulated part is 1 character form structure, and upper end offers pivoted hole, and lower end offers lower pivoted hole.Particularly, the opposite side of rear end below one side of described the first upper boom and the front end below of described the second upper boom all offers corresponding axle sleeve, one pivot pin is articulated described axle sleeve through described upper pivoted hole, and another pivot pin is articulated described the first lower beam and the second lower beam through described lower pivoted hole.
Preferably, described articulated part structure in T shape, the two ends, top of described articulated part offer respectively pivoted hole, and lower end offers lower pivoted hole.
Preferably, the front end of the rear end of described the first upper boom and the second upper boom is respectively equipped with pivot connector, pivot pin is articulated in described pivot connector respectively the two ends of described articulated part top through described upper pivoted hole, and another pivot pin is articulated described the first lower beam and the second lower beam through described lower pivoted hole.
Compared with prior art, because the present invention passes through described the first upper boom, the two ends of the first lower beam are articulated on described front bar and articulated part, and the two ends of described the second upper boom and the second lower beam are articulated in described articulated part and rear bar, thereby form the folding bicycle bracket being formed by two parallelogram brackets, and the aft end face of described the first upper boom and the front end face of described the second upper boom when opening completely, described folding bicycle bracket are conflicted mutually, finally make the described folding bicycle bracket that formed by two parallelogram brackets when load capacity in stable state, in addition, by extending a linkage portion in one end of described the second lower beam, and it is connected with the described link gear being installed on described the first upper boom, when being rotated, described the first upper boom can drive described the second lower beam and the second upper boom simultaneously, thereby make whole folding stand folding or expansion.Whole folding bicycle bracket Stability Analysis of Structures, only needs to rotate arbitrary bar and can realize the folding that interlock drives whole vehicle frame, and folding very convenient, volume after folding is little, saves a large amount of parking spaces, and trip carry very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the folding stand of the embodiment of the present invention one.
Fig. 2 is another structural representation of the folding stand of the embodiment of the present invention one.
Fig. 3 is the decomposing schematic representation of the folding stand of the embodiment of the present invention one.
Fig. 4 is the enlarged drawing of A part in Fig. 3.
Constitution diagram when Fig. 5 is the folding stand folding of the embodiment of the present invention one.
Fig. 6 is the structural representation of the folding stand of the embodiment of the present invention two.
Another structural representation of the folding stand of Fig. 7 embodiment of the present invention two.
Fig. 8 is the decomposing schematic representation of the folding stand of the embodiment of the present invention two.
Fig. 9 is the enlarged drawing of B part in Fig. 8.
Constitution diagram when Figure 10 is the folding stand folding of the embodiment of the present invention two.
The specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the folding stand 100 of the embodiment of the present invention one, be installed on and on folded bicycle front-wheel support and rear wheel support, form vehicle body main body, described folding stand 100 comprises the first upper boom 110, the first lower beam 120, the second upper booms 130, the second lower beam 140, front bar 150, rear bar 160, articulated part 170 and link gear 180.
Shown in Fig. 4, described articulated part 170 is 1 character form structure, and upper end offers pivoted hole 171, and lower end offers lower pivoted hole 172.The front end of described the first upper boom 110 and the first lower beam 120 respectively with the two ends pivot joint of described front bar 150, the rear end of described the first upper boom 110 and the first lower beam 120 is articulated in respectively on the upper pivoted hole 171 and lower pivoted hole 172 of described articulated part 170, the front end of described the second upper boom 130 and the second lower beam 140 is also articulated in respectively on the upper pivoted hole 171 and lower pivoted hole 172 of described articulated part 170, particularly, the opposite side of rear end below one side of described the first upper boom 110 and the front end below of described the second upper boom 130 all offers corresponding axle sleeve 111, 131, one pivot pin passes described upper pivoted hole by described axle sleeve 111, 131 are articulated, another pivot pin is articulated described the first lower beam 120 and the second lower beam 140 through described lower pivoted hole 172.The rear end of described the second upper boom 130 and the second lower beam 140 respectively with the two ends pivot joint of described rear bar 160.The front end face 132 of described the second upper boom 130 that described in when folding stand 100 horizontal development, the aft end face 112 of the first upper boom 110 is corresponding with it is conflicted.
Linkage portion 141 is extended in the front end articulated section of described the second lower beam 140 upwards bending, described link gear 180 comprises connecting element 181 and attaching parts 182, described connecting element 181 is fixed on the downside of described the first upper boom 110 rear ends, one end of described attaching parts 182 and 181 pivot joints of described connecting element, the end pivot joint of the other end and described linkage portion 141.By described connecting element 181, be fixed on described the first upper boom 110 downsides, make described connecting element 181 rotate and promote described attaching parts 182 with described the first upper boom 110, thereby make described attaching parts 182 promote the linkage portion 141 of described the second lower beam 140, make whole folding stand realize interlock.
Described the first upper boom 110 and the second upper boom 120 bottoms offer groove 101, and described groove 101 holds respectively described the first lower beam 120 and the second lower beam 140 when folding.The upper surface of described the second upper boom 130 offers the groove 102 being connected with described groove 101, and described groove 102 holds the linkage portion 141 of described the second lower beam 140 when folding.When described folding stand 100 folding, described the first lower beam 120 and the second lower beam 140 are placed in described groove 101, thereby make folding stand 100 more compact structure, save more space.
Comprehensive above-mentioned and in conjunction with Fig. 5, below the principle of work of the folding stand 100 of the embodiment of the present invention one is described in detail, as follows:
Described folding stand 100 is opened and during load capacity completely, described the first upper boom 110 and the second upper boom 130 are on same level position, and the aft end face 112 of described the first upper boom 110 is conflicted mutually with the front end face 132 of described the second upper boom 130, now, described the first upper boom 110 and the second upper boom 130 are stressed, and act on described articulated part 170, application force is cancelled out each other on described articulated part 170, simultaneously, described the first lower beam 120 and the second lower beam 140 are stressed and upwards strain described articulated part 170, make the described folding stand 100 that formed by two parallelogram brackets when load capacity in stable state.When needs are during by described folding stand 100 folding, upwards promote described articulated part 170, described the first upper boom 110 and the second upper boom 130 rotate under Action of Gravity Field, or rotate described the first upper boom 110, described the first upper boom 110 rotates around the articulated section of itself and described articulated part 170, when rotating, the first upper boom 110 drives described the first lower beam 120, described the first lower beam 120 and 150 foldings of described front bar, meanwhile, the connecting element 181 of described link gear 180 rotates around the articulated section of described the first upper boom 110, and drive described attaching parts 182 to move, the other end of described attaching parts 182 promotes the linkage portion 141 of described the second lower beam 140, described the second lower beam 140 is rotated around the articulated section of itself and described articulated part 170, described the second lower beam 140 rotates and drives described the second upper boom 130 to rotate, and by described the second upper boom 130 and rear bar 160 foldings, finally, described the first upper boom 110 and the second upper boom 130 are drawn close side by side mutually, described in described the first lower beam 120, the second lower beam 140 is placed in described groove 101, described linkage portion 141 protrudes from described groove 102, can be by the complete folding of described folding stand 100.When needs are opened, rotate arbitrarily a wherein bar, by described linkage portion 141 and link gear 180, can drive the rotation of other bars, until open completely.
As shown in Fig. 5, Fig. 6 and Fig. 7, the folding stand 200 of the embodiment of the present invention two comprises the first upper boom 210, the first lower beam 220, the second upper booms 230, the second lower beam 240, front bar 250, rear bar 260, articulated part 270 and link gear 280.
Described articulated part 270 structure in T shape, the two ends, top of described articulated part 270 offer respectively pivoted hole 271, and lower end offers lower pivoted hole 272.The front end of described the first upper boom 210 and the first lower beam 220 respectively with the two ends pivot joint of described front bar 250, the rear end of described the first upper boom 210 is articulated on the pivoted hole 271 of one end, top of described articulated part 270, and the rear end of described the first lower beam 220 is articulated on the lower pivoted hole 272 of described articulated part 270.The front end of described the second upper boom 230 is articulated on another of top of described articulated part 270 on pivoted hole 271, and the front end of described the second lower beam 240 is articulated on the lower pivoted hole 272 of described articulated part 270.
Shown in Fig. 8 and Fig. 9, particularly, the front end of the rear end of described the first upper boom 210 and the second upper boom 230 is respectively equipped with pivot connector 211,231, pivot pin is articulated in described pivot connector 211,231 respectively the two ends of described articulated part 270 tops through upper pivoted hole 271 described in two, and another pivot pin is articulated described the first lower beam 220 and the second lower beam 240 through described lower pivoted hole 272.The rear end of described the second upper boom 230 and the second lower beam 240 respectively with the two ends pivot joint of described rear bar 260.Described in when folding stand 200 horizontal development, the aft end face 212 of the first upper boom 210 is conflicted with the front end face 232 of described the second upper boom 230 corresponding with it.
Linkage portion 241 is extended in the front end articulated section of described the second lower beam 240 upwards bending, described link gear 280 comprises connecting element 281 and attaching parts 282, described connecting element 281 is fixed on the downside of described the first upper boom 210 rear ends, one end of described attaching parts 282 and 281 pivot joints of described connecting element, the end pivot joint of the other end and described linkage portion 241.By described link gear 280, connect described linkage portion 241, make whole folding stand 200 realize interlock.
Shown in Figure 10, described the first upper boom 210 and the second upper boom 230 bottoms offer groove 201, and described groove 201 holds respectively described the first lower beam 220 and the second lower beam 240 when folding.Particularly, the upper surface of described the second upper boom 220 offers the groove 202 being connected with described groove 201, and described groove 202 holds the linkage portion 241 of described the second lower beam 240 when folding.
Embodiment bis-compares the folding stand 100 of embodiment mono-, the structure of different just articulated parts 270 and the pivot joint form of articulated part 270 and described the first upper boom 210 and described the second upper boom 230, its principle of work is identical with the principle of work of embodiment mono-, at this, is no longer repeated in this description.
Compared with prior art, because the embodiment of the present invention one is passed through described the first upper boom 110, the two ends of the first lower beam 120 are articulated on described front bar 150 and articulated part 170, and the two ends of described the second upper boom 130 and the second lower beam 140 are articulated in described articulated part 170 and rear bar 160, thereby form the folding rack 100 being formed by two parallelogram brackets, and the aft end face 112 of described the first upper boom 110 and the front end face 132 of described the second upper boom 130 when opening completely, described folding stand 100 are conflicted mutually, finally make the described folding stand 100 that formed by two parallelogram brackets when load capacity in stable state.By extend a linkage portion 141 in one end of described the second lower beam 140, and it is connected with the described link gear 180 being installed on described the first upper boom 110, when being rotated, described the first upper boom 110 can drive described the second lower beam 140 and the second upper boom 130 simultaneously, thereby make whole folding stand 100 foldings or expansion, in addition, by offering described groove 101 at described the first upper boom 110 and the second upper boom 130 bottom surfaces, described the first lower beam 120 and the second lower beam 140 can be placed in described groove 101, make folding stand 100 structure after folding compacter, conserve space.Whole folding bicycle bracket 100 Stability Analysis of Structures, only need to rotate arbitrary bar and can realize the folding that interlock drives whole vehicle frame, and folding very convenient, volume after folding is little, saves a large amount of parking spaces, and trip carry very convenient.
The size of the every bar that folding stand of the present invention is involved and installation method are well known to those of ordinary skill in the art, at this, are no longer described in detail.
Above disclosed is only preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.
Claims (8)
1. a folding stand, be installed on and on folded bicycle front-wheel support and rear wheel support, form vehicle body main body, it is characterized in that: described folding stand comprises the first upper boom, the first lower beam, the second upper boom, the second lower beam, front bar, rear bar, articulated part and link gear, the front end of described the first upper boom and the first lower beam respectively with the two ends pivot joint of described front bar, the rear end of described the first upper boom and the first lower beam is articulated in respectively the two ends up and down of described articulated part, the front end of described the second upper boom and the second lower beam is articulated in respectively the two ends up and down of described articulated part, the rear end of described the second upper boom and the second lower beam respectively with the two ends pivot joint of described rear bar, described in when folding stand horizontal development, the aft end face of the first upper boom and the front end face of described the second upper boom are conflicted, linkage portion is extended in the front end articulated section of described the second lower beam upwards bending, described link gear one end is fixed on described the first upper boom, the end pivot joint of the other end and described linkage portion.
2. folding stand as claimed in claim 1, it is characterized in that: described link gear comprises connecting element and attaching parts, described connecting element is fixed on the downside of rod rear end on described first, one end of described attaching parts and described connecting element pivot joint, the end pivot joint of the other end and described linkage portion.
3. folding stand as claimed in claim 1, is characterized in that: described the first upper boom and the second upper boom bottom offer groove, and described groove holds respectively described the first lower beam and the second lower beam when folding.
4. folding stand as claimed in claim 3, is characterized in that: the upper surface of described the second upper boom offers the groove being connected with described groove, and described groove holds the linkage portion of described the second lower beam when folding.
5. folding stand as claimed in claim 1, is characterized in that: described articulated part is 1 character form structure, and upper end offers pivoted hole, and lower end offers lower pivoted hole.
6. folding stand as claimed in claim 5, it is characterized in that: the opposite side of rear end below one side of described the first upper boom and the front end below of described the second upper boom all offers corresponding axle sleeve, one pivot pin is articulated described axle sleeve through described upper pivoted hole, and another pivot pin is articulated described the first lower beam and the second lower beam through described lower pivoted hole.
7. folding stand as claimed in claim 1, is characterized in that: described articulated part structure in T shape, and the two ends, top of described articulated part offer respectively pivoted hole, and lower end offers lower pivoted hole.
8. folding stand as claimed in claim 7, it is characterized in that: the front end of the rear end of described the first upper boom and the second upper boom is respectively equipped with pivot connector, pivot pin is articulated in described pivot connector respectively the two ends of described articulated part top through described upper pivoted hole, and another pivot pin is articulated described the first lower beam and the second lower beam through described lower pivoted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110321597.6A CN102765449B (en) | 2011-05-04 | 2011-10-20 | Folding frame |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120138218 | 2011-05-04 | ||
| CN201120138218.5 | 2011-05-04 | ||
| CN201110321597.6A CN102765449B (en) | 2011-05-04 | 2011-10-20 | Folding frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102765449A CN102765449A (en) | 2012-11-07 |
| CN102765449B true CN102765449B (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110321597.6A Active CN102765449B (en) | 2011-05-04 | 2011-10-20 | Folding frame |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5464454B2 (en) |
| CN (1) | CN102765449B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9499215B2 (en) * | 2013-06-11 | 2016-11-22 | Ford Global Technologies, Llc | Folding vehicle |
| CN103434941B (en) * | 2013-08-01 | 2016-04-27 | 东莞威信运动用品有限公司 | folding crane |
| CN104097725B (en) * | 2014-05-19 | 2016-06-08 | 东莞威信运动用品有限公司 | The folding driving structure of electric motor car |
| CN110937054B (en) * | 2019-12-04 | 2024-08-09 | 江苏师范大学 | Folding rod mechanism of electric vehicle |
| CN111891281A (en) * | 2020-08-07 | 2020-11-06 | 北京健行天下环保科技有限公司 | High-efficient beta structure of four connecting rods and folding scooter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3200765B2 (en) * | 1996-12-27 | 2001-08-20 | コクヨ株式会社 | Parallel link mechanism for supporting rotating body and table provided with the same |
| CN1352609A (en) * | 1999-07-30 | 2002-06-05 | 太平洋21有限公司 | Folding bicycle frame |
| CN201580491U (en) * | 2009-04-19 | 2010-09-15 | 姚其迪 | Double-folding sliding sleeve type interlocking bicycle rack |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0435093U (en) * | 1990-07-16 | 1992-03-24 | ||
| JPH1175941A (en) * | 1997-09-11 | 1999-03-23 | Iwasaki:Kk | Folding table |
| JP2002223860A (en) * | 2001-01-31 | 2002-08-13 | Ebisuya Kogyo Kk | Folding table |
| JP3081977U (en) * | 2001-05-22 | 2001-11-22 | 金上吉塑膠股▲分▼有限公司 | Tricycle |
-
2011
- 2011-10-20 CN CN201110321597.6A patent/CN102765449B/en active Active
-
2012
- 2012-05-07 JP JP2012105659A patent/JP5464454B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3200765B2 (en) * | 1996-12-27 | 2001-08-20 | コクヨ株式会社 | Parallel link mechanism for supporting rotating body and table provided with the same |
| CN1352609A (en) * | 1999-07-30 | 2002-06-05 | 太平洋21有限公司 | Folding bicycle frame |
| CN201580491U (en) * | 2009-04-19 | 2010-09-15 | 姚其迪 | Double-folding sliding sleeve type interlocking bicycle rack |
Non-Patent Citations (6)
| Title |
|---|
| JP平4-35093U 1992.03.24 |
| JP特开2002-223860A 2002.08.13 |
| JP特开平11-75941A 1999.03.23 |
| JP特许第3200765号B2 2001.08.20 |
| 说明书第7-13页 |
| 附图1-9. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102765449A (en) | 2012-11-07 |
| JP2012232739A (en) | 2012-11-29 |
| JP5464454B2 (en) | 2014-04-09 |
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Effective date of registration: 20140813 Address after: 523000 Qiaotou third industry, Houjie Town, Guangdong, Dongguan Applicant after: DONGGUAN PRESTIGE SPORTING PRODUCTS Co.,Ltd. Address before: 523000, Houjie Town, Houjie Town, Guangdong Province, Dongguan third industrial zone prestige sporting goods Co., Ltd. Applicant before: Wu Jiqun |
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Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong Qunwang Technology Co.,Ltd. Address before: 523000 Qiaotou Third Industry, Houjie Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN PRESTIGE SPORTING PRODUCTS Co.,Ltd. |
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