CN201156394Y

CN201156394Y - Arc easy-to-draw exhibiting rack

Info

Publication number: CN201156394Y
Application number: CNU2008200046325U
Authority: CN
Inventors: 戈登·萨沃尔
Original assignee: SKYLINE EXHIBITS (SHANGHAI) CO Ltd
Current assignee: SKYLINE EXHIBITS (SHANGHAI) CO Ltd
Priority date: 2008-01-24
Filing date: 2008-01-24
Publication date: 2008-11-26
Anticipated expiration: 2018-01-24

Abstract

The utility model relates to an arc-shaped easily tensile exhibition frame which comprises a base, a scroll, a picture poster, a picture hanging bar and a supporting bar. The scroll is arranged in the base. One end of the picture poster is fixed on the scroll, and the other end extends out from the base and is fixed on the picture hanging bar. The upper surface of the base is provided with an insertion hole for the supporting bar to be inserted in. The middle part of the picture hanging bar is connected with a hook. The picture poster extends out from the front of the base. The upper part of the out extending port of the poster picture of the base is provided with a first through groove. A plate is arranged in front of the first through groove. The middle of the plate is fixed and connected with the base. The two ends of the plate are respectively hinged with a first holding pole. The other end of the first holding pole is arranged in the first through groove in a sliding way. The picture handing bar comprises a front plate and a back connecting bar. The middle of the front plate is fixed on the middle of the back connecting bar. One end of the picture poster is fixed on one surface of the front plate. The two ends of the other surface of the front plate are respectively hinged with a second holding pole. The other end of the second holding pole is arranged in a second through groove in a sliding way which is arranged on the back connecting bar. Pictures displayed by the utility model are provided with stereo effects.

Description

The arc Readily drawn rack

Technical field

The utility model relates to a kind of showing stand that is used to put on display uses such as advertisement, touring displaying, trade promotion, refers to a kind of arc Readily drawn rack especially.

Background technology

Showing stand is as a kind of means of modern commerce propaganda, it is simple in structure, the form of expression is directly perceived, be subjected to being extensive use of of industry, existing showing stand form mostly is shown in Figure 1A, comprise base 1 ', spool 2 ', picture poster 3 ', hang picture bar 4 ' and support bar 5 ', spool 2 ' is installed in the base 1 ', one end of picture poster 3 ' twists on the spool, picture poster 3 ' the other end passes to be installed in from the groove of base 1 ' upper surface middle part and hangs on the picture bar 4 ', hanging picture bar 4 ' pulls out picture poster 3 ', with support bar 5 ' picture poster 3 ' is propped up, base 1 ' upper surface is provided with the jack 11 ' (shown in Figure 1B) of inserting support bar 5 ', hang picture bar 4 ' middle part and be provided with hook 41 ', hook 41 ' hangs over support bar 5 ' upper end, when carrying, picture poster 3 ' is rolled up on the spool 2 ' in base 1 ', during use, only needing that picture poster 3 ' is pulled out the jack 11 ' of propping up and inserting on the base 1 ' with support bar 5 ' in the base 1 ' gets final product, the picture poster that existing this showing stand is showed all is to show everybody with the plane, the effect that the plane shows does not have stereoscopic sensation, and bandwagon effect is single, the effect of not showing one's talent in numerous businessmans.

The utility model content

The purpose of this utility model is to provide a kind of arc Readily drawn rack, and the propaganda of its displaying is depicted as arc and has stereoeffect.

To achieve these goals, technical solution of the present utility model is: a kind of arc Readily drawn rack, comprise base, spool, picture poster, hang picture bar and support bar, spool is located in the base, one end of picture poster is fixed on the spool, the other end stretches out to be fixed on from base to be hung on the picture bar, base upper surface is provided with the jack that inserts support bar, hang picture bar middle part and be provided with hook, wherein said picture poster stretches out from the front of base, this base picture poster extending port top is provided with first groove, the described first groove front is provided with a plate, fixedlys connected with base in the middle part of this plate, and the two ends of this plate are hinged first pole respectively, the other end of described first pole slides and is located in first groove, described extension picture bar comprises header board and back link, and the middle part of header board and back link middle part are fixing, and an end of picture poster is fixed on the wherein surface of header board, the surperficial two ends of another of header board are hinged with second pole respectively, and the described second pole other end slides in second groove of being located on the back link to be offered.

The utility model arc Readily drawn rack, wherein said first pole is identical with the shape of second pole, is the T oblique crank Z, and described T oblique crank Z longitudinal axis end is provided with a spheroid.

The utility model arc Readily drawn rack, wherein said header board both ends of the surface are a fixedly connected magnet component respectively, and described magnet component is combined by shell, magnet and lid, and magnet is arranged in the shell, and live by cap seal, described magnet component is fixed on the end face of header board by the rivet on the shell.

The utility model arc Readily drawn rack, a left side or the right side of wherein said base offer groove, the picture poster extending port of offering on this groove and the base connects, the other end of described picture poster is fixed on the T-shaped bearing pin surface, the longitudinal axis of bearing pin inserts in the groove of spool outside surface, and picture poster stretches out in described groove.

The utility model arc Readily drawn rack, socket one socket on the wherein said base jack, this socket comprises hollow block set and dead bolt, described block set is made of block set head and block set body one, this block set is a cup-shaped, and a block set area of section is greater than block set body area of section, described block set body outside surface is provided with some and is used for friction tight longitudinal rib, block set body wringing fit is inserted in the jack of showing stand base, the block set head is provided with the groove that inserts described dead bolt along its cross-sectional direction, be provided with one group of sawtooth at described groove lower surface, described dead bolt is made of inserted sheet and pull sheet one, the groove shape of described inserted sheet and block set head adapts, and the inserted sheet middle part is provided with through hole, is provided with one group of sawtooth at described inserted sheet lower surface end, and this sawtooth is corresponding with the zigzag fashion on the block set groove, when described dead bolt inserted described groove, the sawtooth on the dead bolt was meshed with sawtooth on the groove.

The utility model arc Readily drawn rack, wherein said spool comprises lock pin, rectangular pin, left side lid, be fastened on the central lid of Zuo Gai left part, axle, be wrapped in the torsion spring on the axle, packing ring, roller, right lid and round pin, described left side lid is arranged on left side in the base, right lid is arranged at the right side in the base, rectangular pin is passed the long through-hole on the central lid, insert in the rectangular opening of axle left end lid back, a left side, central lid is fastened on the left side of left side lid, left side lid tightly fits in the left side of roller, torsion spring one end is fixed on a left side and covers, round pin inserts right lid, and axle passes packing ring, and packing ring is supported in the roller, the left end of roller and left side lid wringing fit, the roller right-hand member tightly fits in outside the right lid, and rollers outer surface is provided with a groove, is inserted with support bar in this groove, one end of the fixedly connected picture poster in support bar surface, the other end of picture poster is wrapped in roller surfaces by stretching out in the groove, and lock pin passes when the spool locking and inserts behind the arc gap on the central lid edge in the pilot hole that a left side covers.

The utility model arc Readily drawn rack, wherein said base comprises base cabinet and both sides footing, two ends, the described base cabinet left and right sides are respectively arranged with left end cap and right end cap, described both sides footing is divided into the two ends, the left and right sides of base cabinet bottom, described limit footing comprises lower margin, pad, pressing plate, T shape bearing pin and screw, described lower margin is the hollow duck claw type in bottom, be provided with a projection at lower margin heel position, described projection is provided with the through hole that cooperates with bearing pin, described pad and pressing plate center are equipped with through hole, bearing pin passes lower margin from the bottom to top successively, pad and pressing plate are riveted together above-mentioned part, screw is fixed with the base cabinet base plate after passing the bridge screw hole, the xsect of described left end cap and right end cap is greater than the xsect of base cabinet end face, described left side footing is resisted against the right side of left end cap when holding state, described the right footing is resisted against the left side of right end cap when holding state.

The utility model arc Readily drawn rack, wherein said base also comprises at least one second footing, be arranged between the both sides footing of base cabinet bottom, the structure of described second footing is identical with the structure of limit footing, and the lower margin of second footing is shaped as rectangle or duck claw type.

The utility model arc Readily drawn rack, wherein said support bar are pegged graft by several straight tubes and are combined, and are connected with the spring rope respectively between the adjacent in twos straight tube.

After adopting such scheme, the utility model is that the top of picture poster extending port is provided with first groove at front of chassis, first pole is slidingly connected in first groove, first pole is hinged on the plate middle part of fixedlying connected with base again, when first pole slides into the perpendicular position of groove in first groove, plate both ends relative its fixed connection point hinged with first pole forms a cambered surface, when should second pole in second groove, sliding into the perpendicular position of groove, header board both ends relative its fixed connection point hinged with second pole forms a cambered surface, the picture poster of Zhan Kaiing has just formed arc shape like this, this arc shape can make picture poster have visual stereoeffect, and the picture poster of comparing planar development more is rich in expressive force.

Description of drawings

Figure 1A is existing Readily drawn rack deployed condition structural representation;

Figure 1B is existing Readily drawn rack contraction state schematic top plan view;

Fig. 2 is the utility model arc Readily drawn rack contraction state structural representation;

Fig. 3 is the first pole stereographic map of the utility model arc Readily drawn rack;

Fig. 4 is the deployed condition structural representation of the utility model arc Readily drawn rack;

Fig. 5 is the magnet component three-dimensional exploded view of the utility model arc Readily drawn rack;

The spool structure synoptic diagram of Fig. 6 the utility model arc Readily drawn rack;

Fig. 6 A is the partial structurtes synoptic diagram of Fig. 6;

Fig. 7 is the support bar socket three-dimensional exploded view of the utility model arc Readily drawn rack;

Fig. 8 is the support bar socket three-dimensional combination figure of the utility model arc Readily drawn rack;

Fig. 9 is the dead bolt stereographic map of the utility model arc Readily drawn rack;

Figure 10 is the support bar receptacle combinations cut-open view of the utility model arc Readily drawn rack;

Figure 11 is the limit footing three-dimensional exploded view one of the utility model arc Readily drawn rack;

Figure 12 is the limit footing device three-dimensional exploded view two of the utility model arc Readily drawn rack;

Figure 13 is the supporting bar structure synoptic diagram of the utility model arc Readily drawn rack.

Embodiment

Referring to Fig. 2 and the utility model arc Readily drawn rack contraction state shown in Figure 4 and the structural representation of deployed condition, this Display Rack comprises base 1, spool 2, picture poster 3, hangs picture bar 4 and support bar 5, spool 2 is located in the base 1, one end of picture poster 3 is fixed on the spool 2, the other end stretches out to be fixed on from base 1 to be hung on the picture bar 4, and base 1 upper surface is provided with jack, and insert in it support bar 5 lower ends, hang picture bar 4 middle parts and connect a hook 6, hook 6 hangs over the upper end of support bar 5.Picture poster 3 stretches out from the front of base 1, this extending port top is provided with first groove 11, first groove, 11 fronts are provided with a rectangular slab 7, plate 7 middle parts and base 1 are fixed together, plate 7 two ends are hinged with an end of first pole 13 respectively, the first pole stereographic map as shown in Figure 3, first pole 13 is the T oblique crank Z, the terminal affixed spheroid of its longitudinal axis, spheroid on first pole 13 slides and is located in first groove 11, hang picture bar 4 and comprise header board 41 and back link 42, the middle part of header board 41 and back link 42 middle parts are fixed together, one end of picture poster 3 is fixed on the wherein surface of header board 41, the surperficial two ends of another of header board 41 are hinged with an end of second pole 14 respectively, and second pole 14 is identical with the shape of first pole 13, also are the T oblique crank Zs, at the terminal affixed spheroid of the T oblique crank Z longitudinal axis, the spheroid of second pole 14 slides and is located in second groove of offering on the back link 421.In conjunction with shown in Figure 5, hang picture bar header board 41 a both ends of the surface fixedly connected magnet component 10 respectively, this magnet component 10 is by shell 101, magnet 102 and cover 103 and combine, magnet 102 is arranged in the

shell

101, and 103 seal by lid, magnet component 10 is fixed on the end face of header board 41 by the rivet on the shell 101 1011, and shell 101 heads are towards the outside that hangs two ends, the picture bar left and right sides.

In conjunction with Fig. 2, shown in Fig. 6 and Fig. 6 A, the right side of base 1 offers groove 12, picture poster 3 extending ports on this groove 12 and the base 1 connect, picture poster 3 one ends are fixed on to be hung on the picture bar header board 41, the other end is fixed on support bar 16 surfaces, support bar 16 inserts in the groove 271 of spool 2 outside surfaces, spool 2 as shown in FIG., comprise lock pin 21, rectangular pin 22, left side lid 23, be fastened on the central lid 231 of Zuo Gai left part, axle 24, be wrapped in the torsion spring 25 on the axle 24, packing ring 26, roller 27, right lid 28 and round pin 29, left side lid 23 is arranged on left side in the base 1, right lid 24 is arranged at the right side in the base 1, rectangular pin 22 is passed the long through-hole 2311 on the central lid, insert in the rectangular opening 241 of axle 24 left ends lid 23 backs in a left side, central lid 231 is fastened on the left side of left side lid 23, left side lid 23 tightly fits in the left side of roller 27, torsion spring 25 1 ends are fixed on the left side lid 23, round pin 29 inserts right lid 28, axle 24 passes packing ring 26, be supported in the roller 27 by packing ring 26, the left end of roller 27 and left side lid 23 wringing fits, roller 27 right-hand members tightly fit in outside the right lid 28, roller 27 outside surfaces are provided with a groove 271, be inserted with support bar 16 in this groove 271, one end of support bar 16 surperficial fixedly connected picture posters 3, the other end of picture poster 3 is by stretching out in the groove 271, be wrapped in roller 27 surfaces, insert in the left pilot hole 232 that covers on 23 arc gap 2312 backs that lock pin 21 passes when spool 2 lockings on central lid 231 edges.

As shown in Figure 2, socket one socket 8 on base 1 jack, in conjunction with Fig. 7, showing stand base socket three-dimensional exploded view shown in Figure 8, this socket 8 comprises hollow block set 81 and dead bolt 82, block set 81 is made of block set 811 and block set body 812 one, this block set 81 is a cup-shaped, and block set 811 area of section are greater than block set body 812 areas of section, block set body 812 outside surfaces are provided with some and are used for friction tight longitudinal rib 8121, block set body 812 wringing fits are inserted in the jack of showing stand base 2, block set 811 top are provided with the groove 8111 that can insert dead bolt along cross-sectional direction, groove 8111 lower surfaces are provided with one group of continuous sawtooth 8112, dead bolt stereographic map as shown in Figure 9, dead bolt 82 is made of inserted sheet 821 and pull sheet 822 one, inserted sheet 821 is corresponding with groove 8111 shapes of block set head, inserted sheet 821 middle parts are provided with round tube hole 8211, be provided with one group of sawtooth 8212 at inserted sheet 821 lower surface ends, this sawtooth 8212 is corresponding with sawtooth 8112 shapes on the block set groove 8111, the receptacle combinations cut-open view of arc Readily drawn rack as shown in figure 10, when dead bolt 82 inserted grooves 8111, the sawtooth 8212 on the dead bolt was meshed with sawtooth 8112 on the groove.

As shown in Figure 2, the utility model arc Readily drawn rack base 1 comprises base cabinet 17, both sides footing 18 and be arranged at second footing 15 between the both sides footing 18, two ends, base cabinet 17 left and right sides are respectively arranged with left end cap 171 and right end cap 172, both sides footing 18 is arranged at the two ends, the left and right sides of base cabinet 17 bottoms respectively, in conjunction with Figure 11, shown in Figure 12, limit footing 18 comprises lower margin 181, pad 182, pressing plate 183, T shape bearing pin 184 and screw 185, lower margin 181 is the hollow duck claw type in bottom, be provided with a projection 1812 at lower margin 181 heel positions, projection 1812 is provided with the through hole 1811 that cooperates with bearing pin 184, pad 182 and pressing plate 183 centers are equipped with through hole, bearing pin 184 passes lower margin 181 from the bottom to top successively, pad 182 and pressing plate 183 are riveted together above-mentioned part, screw 185 is fixed with base cabinet 17 base plates after passing pressing plate 183 screw holes, the xsect of left end cap 171 and right end cap 172 is greater than the xsect of base cabinet 17 end faces, left side footing is resisted against the right side of left end cap 171 when holding state, the right footing is resisted against the left side of right end cap 172 when holding state.The structure of second footing 15 is identical with limit footing 18, and just its lower margin is shaped as the hollow rectangle in bottom.

The supporting bar structure synoptic diagram of the utility model arc Readily drawn rack as shown in figure 13, support bar 5 are pegged graft by two straight tubes 51 and are combined, and are connected with spring rope 52 between two straight tubes.

During use, the extension picture bar 4 of this Readily drawn rack is upwards drawn from base 1 leading flank bottom, hanging picture bar 4 pulls out picture poster 3, after upwards moving 3 expansion of an exhibition picture poster to always, if picture poster 3 is long, two straight tubes 51 of support bar 5 are linked together becomes one, one end of support bar 5 is inserted in the socket 11 on the jack of base 1, regulate the sawtooth 8112 of block set 81 and the relative position between the sawtooth 8212 on the dead bolt 82, thereby regulate the angle of support bar 5 and socket 11, vertically insert support bar 5 in the jack herein, the other end of support bar 5 hangs over support bar 5 upper ends by the hook 6 on the back link 42 of moving the upper end to, the propaganda that launch this moment is depicted as plane effect, when wanting to make this moment propaganda to be decorated with stereoeffect, rotating of first pole 13 that plate 7 two ends that connect on the base 1 are hinged along jointed shaft, spheroid on first pole 13 slides in first groove 11 at this moment, when first pole 13 rotates to first groove 11 when perpendicular, plate 7 surfaces form a cambered surface, a cambered surface is supported out in picture poster 3 bottom surfaces, in like manner, the second hinged pole 14 on the header board 41 of extension picture bar is rotated along jointed shaft, slide in second groove 421 of spheroid on back link of second pole 14 on second back link 42 at this moment, when second pole 14 rotates to second groove 421 when perpendicular, header board 41 forms a cambered surface, this moment, header board 41 supported out a cambered surface with the top of picture poster 3, the whole image of picture poster 3 forms a cambered surface, make picture have dynamic three dimensional effect, when needs compare big picture poster and have the stereoscopic three-dimensional effect, several Readily drawn rack bottoms are abutted against mutually, attract each other together by magnet component 10 above the Display Rack, be linked to be an arc picture poster significantly, effect is better.

When changing picture poster 3, picture poster 3 is pulled out expansion in base 1, groove 12 by base 1 right-hand member, support bar 16 is released from the groove 271 of spool 2, the picture poster 3 of its connection is also pulled out from base 1, new picture poster 3 then is installed, support bar 16 on earlier will this new picture poster 3 passes from the groove 12 of base right side, support bar 16 is inserted in the groove 271 of spool, and extension picture bar 4 is arranged at the picture poster extending port outside of base 1, this moment, picture poster 3 can twist in roller 27 surfaces of spool 2, changed picture poster 3 with this structure, interior simple in structure of base 1, the replacing picture is convenient.

The base 1 of the utility model arc Readily drawn rack is designed to the combination of base cabinet 17 and the both sides footing 18 and second footing 15, at first in the Display Rack use, base cabinet 17 is direct kiss the earth not, and come kiss the earth by the both sides footing 18 and second footing 15, the wearing and tearing of base cabinet 11 have been significantly reduced like this, secondly bottom the lower margin of limit footing 18 adopts is hollow duck claw shape, its kiss the earth area is big and stressed even, and be distributed in two ends, the left and right sides, base bottom, and there is second footing 15 at the middle part, therefore its stability of strutting system is strengthened, the pressing plate 183 of limit footing 18 is fixed on below the base cabinet 17 once more, and bearing pin 184 passes lower margin 181, pad 182 and pressing plate 183, so lower margin 181, pad 182 and pressing plate 183 can be along bearing pin 184 rotations, the anglec of rotation of regulating limit footing 18 within the specific limits according to the weight of stilts above the base cabinet 17, because the left end cap 171 at base cabinet 17 two ends and the area of right end cap 172 areas greater than base cabinet 17 two ends, therefore left end cap 171 has played with right end cap 172 and has limited its rotation angle range, after showing stand uses, under the lower margin of the limit footing 18 and second footing 15 is retracted to base cabinet 17 along the bearing pin rotation, be convenient to folding and unfolding like this in the showing stand packaging bag.

Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims

1, a kind of arc Readily drawn rack, comprise base (1), spool (2), picture poster (3), hang picture bar (4) and support bar (5), spool (2) is located in the base (1), one end of picture poster (3) is fixed on the spool (2), the other end stretches out to be fixed on from base (1) to be hung on the picture bar (4), base (1) upper surface is provided with the jack that inserts support bar (5), hang picture bar (4) middle part and be provided with hook (6), it is characterized in that: described picture poster (3) stretches out from the front of base (1), this base picture poster extending port top is provided with first groove (11), described first groove (11) front is provided with a plate (7), fixedly connected with base (1) in the middle part of this plate (7), the two ends of this plate (7) are hinged first pole (13) respectively, the other end of described first pole (13) slides and is located in first groove (11), described extension picture bar (4) comprises header board (41) and back link (42), the middle part of header board (41) and back link (42) middle part are fixing, one end of picture poster (3) is fixed on the wherein surface of header board (41), another surperficial two ends of header board (41) are hinged with second pole (14) respectively, and described second pole (14) other end slides in second groove (421) be located on the back link to be offered.

2, arc Readily drawn rack as claimed in claim 1 is characterized in that: described first pole (13) is identical with the shape of second pole (14), is the T oblique crank Z, and described T oblique crank Z longitudinal axis end is provided with a spheroid.

3, arc Readily drawn rack as claimed in claim 2, it is characterized in that: described header board (41) both ends of the surface are a fixedly connected magnet component (10) respectively, described magnet component (10) is combined by shell (101), magnet (102) and lid (103), magnet (102) is arranged in the shell (101), and by the lid (103) seal, described magnet component (10) is fixed on the end face of header board (41) by the rivet on the shell (1011).

4, as claim 1 or 3 described arc Readily drawn racks, it is characterized in that: the left side of described base (1) or right side offer groove (12), picture poster (3) extending port of offering on this groove (12) and the base (1) connects, the other end of described picture poster (3) is fixed on T-shaped bearing pin (16) surface, the longitudinal axis of bearing pin (16) inserts in the groove (271) of spool (2) outside surface, and picture poster (3) stretches out in described groove (271).

5, arc Readily drawn rack as claimed in claim 4, it is characterized in that: socket one socket (8) on described base (1) jack, this socket (8) comprises hollow block set (81) and dead bolt (82), described block set (81) is made of block set head (811) and block set body (812) one, this block set (81) is a cup-shaped, and block set head (811) area of section is greater than block set body (812) area of section, described block set body (812) outside surface is provided with some and is used for friction tight longitudinal rib (8121), block set body (812) wringing fit is inserted in the jack of showing stand base (2), block set head (811) is provided with the groove (8111) that inserts described dead bolt along its cross-sectional direction, be provided with one group of sawtooth (8112) at described groove (8111) lower surface, described dead bolt (82) is made of inserted sheet (821) and pull sheet (822) one, described inserted sheet (821) adapts with groove (8111) shape of block set head, and inserted sheet (821) middle part is provided with through hole (8211), be provided with one group of sawtooth (8212) at described inserted sheet (821) lower surface end, this sawtooth (8212) is corresponding with sawtooth (8112) shape on the block set groove (8111), when described dead bolt (82) inserted described groove (8111), the sawtooth on the dead bolt (8212) was meshed with sawtooth (8112) on the groove.

6, arc Readily drawn rack as claimed in claim 5, it is characterized in that: described spool (2) comprises lock pin (21), rectangular pin (22), left side lid (23), be fastened on the central lid (231) of Zuo Gai left part, axle (24), be wrapped in the torsion spring (25) on the axle (24), packing ring (26), roller (27), right lid (28) and round pin (29), described left side lid (23) is arranged on the interior left side of base (1), right lid (24) is arranged at the right side in the base (1), rectangular pin (22) is passed the long through-hole (2311) on the central lid, insert in the rectangular opening (241) of axle (24) left end left side lid (23) back, central lid (231) is fastened on the left side of left side lid (23), left side lid (23) tightly fits in the left side of roller (27), torsion spring (25) one ends are fixed on the left side lid (23), round pin (29) inserts right lid (28), axle (24) passes packing ring (26), packing ring (26) is supported in the roller (27), the left end of roller (27) and Zuo Gai (23) wringing fit, roller (27) right-hand member tightly fits in outside the right lid (28), roller (27) outside surface is provided with a groove (271), be inserted with support bar (16) in this groove (271), one end of the surperficial fixedly connected picture poster of support bar (16) (3), the other end of picture poster (3) is by stretching out in the groove (271), be wrapped in roller (27) surface, insert in the left pilot hole (232) that covers on (23) arc gap (2312) back that lock pin (21) passes when spool (2) locking on central lid (231) edge.

7, arc Readily drawn rack as claimed in claim 6, it is characterized in that: described base (1) comprises base cabinet (17) and both sides footing (18), described base cabinet (17) two ends, the left and right sides are respectively arranged with left end cap (171) and right end cap (172), described both sides footing (18) are divided into the two ends, the left and right sides of base cabinet (17) bottom, described limit footing (18) comprises lower margin (181), pad (182), pressing plate (183), T shape bearing pin (184) and screw (185), described lower margin (181) is the hollow duck claw type in bottom, be provided with a projection (1812) at lower margin (181) heel position, described projection (1812) is provided with the through hole (1811) that cooperates with bearing pin (184), described pad (182) and pressing plate (183) center are equipped with through hole, bearing pin (184) passes lower margin (181) from the bottom to top successively, pad (182) and pressing plate (183) are riveted together above-mentioned part, screw (185) is fixed with base cabinet (17) base plate after passing pressing plate (183) screw hole, the xsect of described left end cap (171) and right end cap (172) is greater than the xsect of base cabinet (17) end face, described left side footing is resisted against the right side of left end cap (171) when holding state, described the right footing is resisted against the left side of right end cap (172) when holding state.

8, showing stand base as claimed in claim 7, it is characterized in that: described base (1) also comprises at least one second footing (15), be arranged between the both sides footing (18) of base cabinet (17) bottom, the structure of described second footing (15) is identical with the structure of limit footing (18), and the lower margin of second footing (15) is shaped as rectangle or duck claw type.

9, arc Readily drawn rack as claimed in claim 8 is characterized in that: described support bar (5) is pegged graft by several straight tubes (51) and is combined, and is connected with spring rope (52) between the adjacent in twos straight tube respectively.