CN102673588B - Turnover foldable device and train - Google Patents
Turnover foldable device and train Download PDFInfo
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- CN102673588B CN102673588B CN201210125235.4A CN201210125235A CN102673588B CN 102673588 B CN102673588 B CN 102673588B CN 201210125235 A CN201210125235 A CN 201210125235A CN 102673588 B CN102673588 B CN 102673588B
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- folding device
- rotary seat
- upset folding
- connecting arm
- mount pad
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Abstract
The invention discloses a turnover foldable device and a train. A mounting groove is arranged on a mounting seat which is pivoted at one end of a connecting arm, a first damping pad is arranged between the mounting seat and the connecting arm, and a second damping pad is arranged between a fixed support and a rotary seat. A rotary positioning device comprises a rotary disk, a positioning block and a spring piece, the rotary disk is provided with a fixing hole and an arc slide groove positioned on one side of the fixing hole, the end face between the outer side wall of the arc slide groove and the periphery of the rotary disk is gradually narrowed or widened clockwise, a slider is arranged at one end of the positioning block and slidably arranged in the arc slide groove, the spring sheet is positioned between the slider and the inner side wall of the arc slide groove, the positioning block is inserted into a second positioning hole, a threaded portion penetrates through the fixing hole and is connected with a locknut in a threaded manner, and a third damping pad is arranged between the rotary disk and the rotary seat. A to-be-mounted component can be firmly supported and fixed by the turnover foldable device so that reliability of the turnover foldable device is improved.
Description
Technical field
The present invention relates to mechanical device, particularly relate to a kind of upset folding device and train.
Background technology
At present, high speed train is equipped with TV usually, watches on the road for user.According to different operatings needs, TV can be fixed in the compartment of train, also can be arranged in the handrail of vehicle seat in compartment by folding rack.Wherein, it is a kind of mode conventional at present that TV is arranged in compartment by folding rack, when user needs viewing TV, is pulled out by TV by turning folding support from the handrail of vehicle seat.As shown in Figure 1, folding rack of the prior art generally includes fixed support 101, connecting arm 102 and mount pad 103; Fixed support 101 is installed in compartment; One end of connecting arm 102 is hinged by bolt 105 and fixed support 101, thus makes connecting arm 102 can rotate 101 relative to fixed support; Be installed with TV 104 in mount pad 103, and mount pad 103 is hinged by bolt 105 with the other end of connecting arm 102, thus mount pad 103 can be rotated relative to connecting arm 102.In use, by connecting arm 102 is rotated relative to fixed support 101, realize TV 104 to pull out from handrail; By mount pad 103 is rotated relative to connecting arm 102, realize TV 104 being turned to suitable position for user's viewing.As from the foregoing, by folding rack of the prior art television set supporting to be lived and after adjusting the angle of TV, the connecting arm of folding rack still can rotate relative to fixed support, vibration strong in train travelling process can cause connecting arm to rotate, and TV is overturn downwards, TV easily damages user.Therefore, what folding rack of the prior art can not be firm supports TV, and reliability is poor.
Summary of the invention
The invention provides a kind of upset folding device and train, solve the TV that supports that folding rack of the prior art can not be firm and wait for installing component, the defect that reliability is poor, realize upset folding device and firm support can fix parts to be installed, improve the reliability of upset folding device.
The invention provides a kind of upset folding device, comprising: mount pad, fixed support, rotary seat, connecting arm and rotary positioning apparatus; Described mount pad is provided with mounting groove, and described mount pad is articulated in an end of described connecting arm, is provided with the first damping mat between described mount pad and described connecting arm; The equal correspondence in described support bracket fastened two side is provided with the first tapped bore and the first knock hole, the cross-sectional plane of described rotary seat is U-shaped structure, the equal correspondence of both sides sidewall of described rotary seat is provided with axis hole and the second knock hole, the end of described rotary seat is provided with mounting hole, lock screw is connected with described first tapped bore through described axis hole, is provided with the second damping mat between described fixed support and described rotary seat; The other end of described connecting arm is installed with Connection Block, and described Connection Block is provided with shaft, and described shaft is provided with threaded portion; Described rotary positioning apparatus comprises rotating disc, locating piece and spring leaf, described rotating disc offers fixed orifice and arc chute, described arc chute is positioned at the side of described fixed orifice, the width of the end face between the lateral wall of described arc chute and described rotating disc periphery narrows gradually along clockwise direction or broadens, one end of described locating piece is provided with slide block, described slide block is slidably installed in described arc chute, and described spring leaf is between described slide block and the madial wall of described arc chute; Described locating piece is inserted in described second knock hole, described shaft is inserted in described mounting hole, described fixed orifice is passed and the jam nut that has been threaded in described threaded portion, the end of described rotary seat, between described rotating disc and described Connection Block, is provided with the 3rd damping mat between described rotating disc and described rotary seat.
Upset folding device provided by the invention, by position of rotation the first damping mat, the second damping mat and the 3rd damping mat respectively, can realize upset folding device and locate motionless at an arbitrary position, thus be user-friendly to; In addition, can guarantee when overturning folding device and being in open mode by rotary positioning apparatus, be inserted under the driving of slide block arc chute and spring leaf in rotating disc in support bracket fastened first knock hole, thus locking fixed support and rotary seat, avoid rotary seat to be rotated further and drive connecting arm to fall down to damage parts to be installed, realize upset folding device and firm support can fix parts to be installed, improve the reliability of upset folding device.
Upset folding device as above, described support bracket fastened two side also respectively correspondence be provided with the second tapped bore, the both sides sidewall of described rotary seat also respectively correspondence be provided with the first arcuate socket, described first arcuate socket and described axis hole are coaxially arranged, and stop screw is connected with described second tapped bore through described first arcuate socket.
Upset folding device as above, on the screw head of described lock screw along the circumferential direction on be provided with multiple locating notch, the screw head of described stop screw is stuck in described locating notch.
Upset folding device as above, the end of described rotary seat is provided with the second arcuate socket, described second arcuate socket and described mounting hole are coaxially arranged, and described rotating disc is provided with pin-and-hole, and the first locating dowel pin to be inserted in described pin-and-hole and to be slidably installed in described second arcuate socket.
Upset folding device as above, described connecting arm is installed with elbow, described elbow is installed with adapter shaft, described adapter shaft is hierarchic structure, the ladder end face of described adapter shaft is provided with arc-shaped limit groove, and one end of described mount pad offers connecting bore, and the sidewall of described connecting bore is provided with slot, described adapter shaft is inserted in described connecting bore, and the second locating dowel pin to be inserted in described slot and to be slidably installed in described arc-shaped limit groove; Described first damping mat is between described adapter shaft and described mount pad.
Upset folding device as above, described connecting arm is also provided with handle.
Upset folding device as above, is provided with hexagon posts between the described shaft of described Connection Block and described threaded portion, and described fixed orifice is hex hole, and described hexagon posts is arranged in described fixed orifice.
Upset folding device as above, described rotary seat is also provided with decoration case.
Upset folding device as above, described first damping mat, described second damping mat and described 3rd damping mat are polyurethane packing ring.
The invention provides a kind of train, comprise train's body and television equipment, also comprise and overturn folding device as above; Described television equipment is arranged in the mount pad of described upset folding device, and the fixed support of described folding rack is installed in described train's body.
Train provided by the invention, by position of rotation the first damping mat, the second damping mat and the 3rd damping mat respectively, can realize upset folding device and locate motionless at an arbitrary position, thus be user-friendly to; In addition, can guarantee when overturning folding device and being in open mode by rotary positioning apparatus, be inserted under the driving of slide block arc chute and spring leaf in rotating disc in support bracket fastened first knock hole, thus locking fixed support and rotary seat, avoid rotary seat to be rotated further and drive connecting arm to fall down to damage parts to be installed, realize upset folding device and firm support can fix parts to be installed, improve the reliability of upset folding device.
Accompanying drawing explanation
Fig. 1 is the structural representation of folding rack in prior art;
Fig. 2 is the structural representation that the present invention overturns folding device embodiment;
Fig. 3 is the exploded view that the present invention overturns folding device embodiment;
Fig. 4 be in Fig. 2 A-A to cutaway view Amplified image;
Fig. 5 be in Fig. 2 B-B to cutaway view Amplified image;
Fig. 6 is the partial enlarged drawing in C region in Fig. 3;
Fig. 7 is the structural representation that the present invention overturns mount pad in folding device embodiment;
Fig. 8 is that the present invention overturns support bracket fastened structural representation in folding device embodiment;
Fig. 9 is the structural representation that the present invention overturns rotary seat in folding device embodiment;
Figure 10 is the structural representation that the present invention overturns Connection Block in folding device embodiment;
Figure 11 is the structural representation that the present invention overturns adapter shaft in folding device embodiment;
Figure 12 is the structural representation that the present invention overturns rotating disc in folding device embodiment;
Figure 13 is the structural representation that the present invention overturns locating piece in folding device embodiment;
Figure 14 is the structural representation that the present invention overturns lock screw in folding device embodiment.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 2-Figure 14, the present embodiment upset folding device, comprising: mount pad 1, fixed support 2, rotary seat 3, connecting arm 4 and rotary positioning apparatus 5; Mount pad 1 is provided with mounting groove 11, mount pad 1 is articulated in an end of connecting arm 4, is provided with the first damping mat 61 between mount pad 1 and connecting arm 4; The two side of fixed support 2 respectively correspondence is provided with the first tapped bore 21 and the first knock hole 22, the cross-sectional plane of rotary seat 3 is U-shaped structure, the both sides sidewall of rotary seat 3 respectively correspondence is provided with axis hole 31 and the second knock hole 32, the end of rotary seat 3 is provided with mounting hole 33, lock screw 71 is connected with the first tapped bore 21 through axis hole 31, being provided with the second damping mat 62, second damping mat 62 between fixed support 2 and rotary seat 3 is enclosed within lock screw 71; The other end of connecting arm 4 is installed with Connection Block 41, Connection Block 41 is provided with shaft 411, shaft 411 is provided with threaded portion 412; Rotary positioning apparatus 5 comprises rotating disc 51, locating piece 52 and spring leaf 53, rotating disc 51 offers fixed orifice 511 and arc chute 512, arc chute 512 is positioned at the side of fixed orifice 511, the width of the end face between the lateral wall of arc chute 512 and rotating disc 51 periphery narrows gradually along clockwise direction or broadens, one end of locating piece 52 is provided with slide block 521, slide block 521 is slidably installed in arc chute 512, and spring leaf 53 is between slide block 521 and the madial wall of arc chute 512; Locating piece 52 is inserted in the second knock hole 32, shaft 411 is inserted in mounting hole 33, fixed orifice 511 is passed and the jam nut 72 that has been threaded in threaded portion 412, and the end of rotary seat 3, between rotating disc 51 and Connection Block 41, is provided with the 3rd damping mat 63 between rotating disc 51 and rotary seat 3.
Specifically, mount pad 1 in the present embodiment upset folding device can rotate relative to connecting arm 4, connecting arm 4 can rotate relative to rotary seat 3, and rotary seat 3 can rotate relative to fixed support 2, simultaneously, the present embodiment upset folding device can be realized by the first damping mat 61, second damping mat 62 and the 3rd damping mat 63 and have damping rotary, enable the present embodiment upset folding device locate location at an arbitrary position fixing.Preferably, the first damping mat 61, second damping mat 62 in the present embodiment and the 3rd damping mat 63 can be urethane pad circle.In order to after opening the present embodiment upset folding device, guarantee that rotary seat 3 and fixed support 2 maintain static, the TV in mount pad 1 is caused to fall down damage to avoid because rotary seat 3 rotates, connecting arm 4 in the present embodiment is when rotating, driven rotary dish 51 together rotates by connecting arm 4, rotating disc 51 can not be followed in second knock hole 32 rotate because locating piece 52 is inserted in, and the width of the end face between the lateral wall of the arc chute 512 on rotating disc 51 and rotating disc 51 periphery narrows gradually along clockwise direction or broadens, under the elastic force effect of spring leaf 53, locating piece 52 is pushed in the first knock hole 22 by the rotating disc 51 in rotation, by locating piece 52, rotary seat 3 and fixed support 2 are located by connecting fixing, guarantee that rotary seat 3 and fixed support 2 maintain static, and when rotating backward connecting arm 4, by the structure of the lateral wall of arc chute 512, locating piece 52 is pulled out from the first knock hole 22, rotary seat 3 and fixed support 2 just can relatively rotate.Wherein, when swivel arm 4 rotates counterclockwise as open mode, the width of the end face between the lateral wall of arc chute 512 and rotating disc 51 periphery narrows along clockwise direction gradually; When swivel arm 4 rotates clockwise as open mode, the width of the end face between the lateral wall of arc chute 512 and rotating disc 51 periphery broadens along clockwise direction gradually.In addition, the present embodiment upset folding device has damping rotary on rotating disc 51, reverse symmetry can be provided with arc chute 512.
Conveniently user opens the present embodiment upset folding device, and the connecting arm 4 in the present embodiment can also be provided with handle 44.Conveniently Connection Block 41 is fixedly connected with rotating disc 51, rotate with driven rotary dish 51, can be provided with hexagon posts 413 between the shaft 412 of the Connection Block 41 in the present embodiment and threaded portion 411, fixed orifice 511 is hex hole, and hexagon posts 413 is arranged in fixed orifice 511.In addition, the rotary seat 3 in the present embodiment also can be provided with decoration case 30.
The present embodiment upset folding device, by position of rotation the first damping mat, the second damping mat and the 3rd damping mat respectively, can realize upset folding device and locate motionless at an arbitrary position, thus be user-friendly to; In addition, can guarantee when overturning folding device and being in open mode by rotary positioning apparatus, be inserted under the driving of slide block arc chute and spring leaf in rotating disc in support bracket fastened first knock hole, thus locking fixed support and rotary seat, avoid rotary seat to be rotated further and drive connecting arm to fall down to damage parts to be installed, realize upset folding device and firm support can fix parts to be installed, improve the reliability of upset folding device.
Based on technique scheme, in order to carry out spacing to the present embodiment upset folding device.The two side of the fixed support 2 in the present embodiment also respectively correspondence be provided with the second tapped bore 23, the both sides sidewall of rotary seat 3 also respectively correspondence be provided with the first arcuate socket 34, first arcuate socket 34 is coaxially arranged with axis hole 31, and stop screw 73 is connected with the second tapped bore 23 through the first arcuate socket 34.Concrete, coordinated with the first arcuate socket 34 by stop screw 73, rotary seat 3 can be realized and carry out spacing relative to fixed support 2 rotation.Preferably, the screw head of the lock screw 71 in the present embodiment is along the circumferential direction gone up and can be provided with multiple locating notch 711, the screw head of stop screw 73 is stuck in locating notch 711.Concrete, by the screw head of stop screw 73 is stuck in locating notch 711, can to be coordinated with locating notch 711 by stop screw 73 prevents lock screw 71 from rotating, simultaneously, when the second damping mat 62 is thinning because of wearing and tearing, lock screw 71 can be tightened again by being turned on by stop screw 73, making fixed support 2 and rotary seat 3 clamp the second damping mat 62 closely.
Further, the end of the rotary seat 3 in the present embodiment can be provided with the second arcuate socket 35, second arcuate socket 35 and coaxially arrange with mounting hole 33, and rotating disc 51 is provided with pin-and-hole 513, and the first locating dowel pin 74 to be inserted in pin-and-hole 513 and to be slidably installed in the second arcuate socket 35.Concrete, coordinated with the second arcuate socket 35 by the first locating dowel pin 74, connecting arm 4 can be realized and carry out spacing relative to rotary seat 3 rotation.
Further, connecting arm 4 in the present embodiment can be installed with elbow 42, elbow 42 is installed with adapter shaft 43, adapter shaft 43 is hierarchic structure, the ladder end face of adapter shaft 43 is provided with arc-shaped limit groove 431, and one end of mount pad 1 offers connecting bore 12, and the sidewall of connecting bore 12 is provided with slot 121, adapter shaft 43 is inserted in connecting bore 12, and the second locating dowel pin 75 to be inserted in slot 121 and to be slidably installed in arc-shaped limit groove 431; First damping mat 61 is between the ladder end face and mount pad 1 of adapter shaft 43.Concrete, coordinated with arc-shaped limit groove 431 by the second locating dowel pin 75, mount pad 1 can be realized and carry out spacing relative to connecting arm 4 rotation.
The present invention also provides a kind of train, comprises train's body and television equipment, also comprises upset folding device; Television equipment is arranged in the mount pad of upset folding device, and the fixed support of folding rack is installed in train's body.
Specifically, the upset folding device in the present embodiment can adopt the present invention to overturn upset folding device in folding device embodiment, and its concrete structure can overturn the record of folding device embodiment and accompanying drawing 2-14 see the present invention, do not repeat them here.
The present embodiment train, by position of rotation the first damping mat, the second damping mat and the 3rd damping mat respectively, can realize upset folding device and locate motionless at an arbitrary position, thus be user-friendly to; In addition, can guarantee when overturning folding device and being in open mode by rotary positioning apparatus, be inserted under the driving of slide block arc chute and spring leaf in rotating disc in support bracket fastened first knock hole, thus locking fixed support and rotary seat, avoid rotary seat to be rotated further and drive connecting arm to fall down to damage parts to be installed, realize upset folding device and firm support can fix parts to be installed, improve the reliability of upset folding device.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. overturn a folding device, it is characterized in that, comprising: mount pad, fixed support, rotary seat, connecting arm and rotary positioning apparatus; Described mount pad is provided with mounting groove, and described mount pad is articulated in an end of described connecting arm, is provided with the first damping mat between described mount pad and described connecting arm; The equal correspondence in described support bracket fastened two side is provided with the first tapped bore and the first knock hole, the cross-sectional plane of described rotary seat is U-shaped structure, the equal correspondence of both sides sidewall of described rotary seat is provided with axis hole and the second knock hole, the end of described rotary seat is provided with mounting hole, lock screw is connected with described first tapped bore through described axis hole, is provided with the second damping mat between described fixed support and described rotary seat; The other end of described connecting arm is installed with Connection Block, and described Connection Block is provided with shaft, and described shaft is provided with threaded portion; Described rotary positioning apparatus comprises rotating disc, locating piece and spring leaf, described rotating disc offers fixed orifice and arc chute, described arc chute is positioned at the side of described fixed orifice, the width of the end face between the lateral wall of described arc chute and described rotating disc periphery narrows gradually along clockwise direction or broadens, one end of described locating piece is provided with slide block, described slide block is slidably installed in described arc chute, and described spring leaf is between described slide block and the madial wall of described arc chute; Described locating piece is inserted in described second knock hole, described shaft is inserted in described mounting hole, described fixed orifice is passed and the jam nut that has been threaded in described threaded portion, the end of described rotary seat, between described rotating disc and described Connection Block, is provided with the 3rd damping mat between described rotating disc and described rotary seat.
2. upset folding device according to claim 1, it is characterized in that, described support bracket fastened two side also respectively correspondence be provided with the second tapped bore, the both sides sidewall of described rotary seat also respectively correspondence be provided with the first arcuate socket, described first arcuate socket and described axis hole are coaxially arranged, and stop screw is connected with described second tapped bore through described first arcuate socket.
3. upset folding device according to claim 2, is characterized in that, on the screw head of described lock screw along the circumferential direction on be provided with multiple locating notch, the screw head of described stop screw is stuck in described locating notch.
4. upset folding device according to claim 1, it is characterized in that, the end of described rotary seat is provided with the second arcuate socket, described second arcuate socket and described mounting hole are coaxially arranged, described rotating disc is provided with pin-and-hole, and the first locating dowel pin to be inserted in described pin-and-hole and to be slidably installed in described second arcuate socket.
5. upset folding device according to claim 1, it is characterized in that, described connecting arm is installed with elbow, described elbow is installed with adapter shaft, and described adapter shaft is hierarchic structure, and the ladder end face of described adapter shaft is provided with arc-shaped limit groove, one end of described mount pad offers connecting bore, the sidewall of described connecting bore is provided with slot, and described adapter shaft is inserted in described connecting bore, and the second locating dowel pin to be inserted in described slot and to be slidably installed in described arc-shaped limit groove; Described first damping mat is between described adapter shaft and described mount pad.
6. upset folding device according to claim 1, is characterized in that, described connecting arm is also provided with handle.
7. upset folding device according to claim 1, is characterized in that, is provided with hexagon posts between the described shaft of described Connection Block and described threaded portion, and described fixed orifice is hex hole, and described hexagon posts is arranged in described fixed orifice.
8. upset folding device according to claim 1, is characterized in that, described rotary seat is also provided with decoration case.
9., according to the arbitrary described upset folding device of claim 1-8, it is characterized in that, described first damping mat, described second damping mat and described 3rd damping mat are polyurethane packing ring.
10. a train, comprises train's body and television equipment, it is characterized in that, also comprise as arbitrary in claim 1-9 as described in upset folding device; Described television equipment is arranged in the mount pad of described upset folding device, and the fixed support of described upset folding device is installed in described train's body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125235.4A CN102673588B (en) | 2012-04-26 | 2012-04-26 | Turnover foldable device and train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125235.4A CN102673588B (en) | 2012-04-26 | 2012-04-26 | Turnover foldable device and train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102673588A CN102673588A (en) | 2012-09-19 |
| CN102673588B true CN102673588B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210125235.4A Active CN102673588B (en) | 2012-04-26 | 2012-04-26 | Turnover foldable device and train |
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| Country | Link |
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| CN (1) | CN102673588B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112377B (en) * | 2013-02-28 | 2016-10-05 | 天津博信汽车零部件有限公司 | A kind of armrest stopping means |
| CN109605744A (en) * | 2018-10-17 | 2019-04-12 | 湖州正直数码科技有限公司 | The folding structure of 3D printer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256845A (en) * | 2007-02-28 | 2008-09-03 | 裕威电子股份有限公司 | Support frame |
| CN101881366A (en) * | 2010-07-05 | 2010-11-10 | 青岛威奥轨道装饰材料制造有限公司 | Folding bracket and transport |
| CN202641714U (en) * | 2012-04-26 | 2013-01-02 | 青岛威奥轨道装饰材料制造有限公司 | Turning and folding device and train |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255484A (en) * | 1992-06-30 | 1994-09-13 | Saami:Kk | Rebound type table |
| US20080029669A1 (en) * | 2006-08-01 | 2008-02-07 | Rbw Industries, Inc. | Flat Screen TV Bracket For A Vehicle |
| JP2008076457A (en) * | 2006-09-19 | 2008-04-03 | Nhk Spring Co Ltd | Display panel support device |
-
2012
- 2012-04-26 CN CN201210125235.4A patent/CN102673588B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256845A (en) * | 2007-02-28 | 2008-09-03 | 裕威电子股份有限公司 | Support frame |
| CN101881366A (en) * | 2010-07-05 | 2010-11-10 | 青岛威奥轨道装饰材料制造有限公司 | Folding bracket and transport |
| CN202641714U (en) * | 2012-04-26 | 2013-01-02 | 青岛威奥轨道装饰材料制造有限公司 | Turning and folding device and train |
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| CN102673588A (en) | 2012-09-19 |
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Address after: 266108 Shandong city of Qingdao province Chengyang Sea Economic Development Zone Xinghai branch No. 2 Patentee after: Qingdao victall railway Limited by Share Ltd Address before: Chengyang District of Shandong province 266108 Qingdao Huanhai Economic Development Zone Xinghai branch No. 3 Patentee before: Qingdao Victall Railway (Group) Co., Ltd. |