CN220529693U - Painting scroll painting core adjusting device in painting and calligraphy display frame - Google Patents

Abstract

The utility model relates to the technical field of scroll display, and discloses a scroll painting core adjusting device in a scroll painting and calligraphy display frame, which comprises a bracket arranged in the scroll painting and calligraphy display frame, wherein a rotating mechanism and a coiling mechanism are respectively arranged at two ends of the bracket, and a picture containing cylinder which is used for placing scroll painting scroll shafts and is provided with an axial open slot is arranged between the rotating mechanism and the coiling mechanism; the coiling mechanism controls the picture holding cylinder to rotate, and the rotating mechanism is assisted with the rotary support to coil the picture, so that the picture center of the picture is centrally displayed in the picture display frame of the painting and calligraphy. The utility model enables the scroll shaft of the scroll placed in the scroll holder to be rolled through the mutual matching between the winding mechanism and the rotating mechanism, and enables the scroll to be lifted up and down or horizontally moved, thereby realizing the centering adjustment of the scroll core displayed in the scroll display frame and facilitating the complete display of the scroll core in the scroll display frame.

Description

Painting scroll painting core adjusting device in painting and calligraphy display frame

Technical Field

The utility model belongs to the technical field of painting scroll display, and provides a painting scroll painting core adjusting device in a painting and calligraphy display frame.

Background

The mounting of the painting and calligraphy is called mounting, like the "saddle matching with horse", the painting can show better effect, and after mounting, the painting and calligraphy are smooth and clean, and the special antique and antique charm is added. Mounting includes mounting and decorating of calligraphy and painting works with paper texture, decontamination and tearing of old painting and calligraphy, and the like. The traditional painting and calligraphy mounting can be roughly divided into three categories, namely hanging shafts, hand rolls, album pages and the like. The three major types of mounting pictures are determined according to the size, shape, mounting purpose and the like of the picture core. The new painting and calligraphy are made up by embedding edging around original work, mounting one or several layers of paper on back surface, and adding necessary decoration, so that the original painting and calligraphy are more firm, and convenient for spreading and hanging so as to meet the requirements for people to watch.

The painting and calligraphy display frame (cabinet) is mainly a structure formed by splicing four frames, can protect and display painting, and is a mosaic device capable of enhancing the expressive force of the painting. Wherein, according to the categorised frame of usage can include: a national frame, an oil frame, a cross stitch frame, a paper cut frame, a digital oil frame, a cardboard frame and the like. The painting and calligraphy display frame (cabinet) in the prior art mainly comprises: a frame, glass, and back plate; the glass can be clamped and covered on the front surface of the frame, the back plate can be padded on the back surface of the painting and calligraphy display frame can meet the requirement of installing and displaying the art works, however, as shown in fig. 1, the painting and calligraphy have the length and width extension of the original painting and calligraphy after being mounted, and the aspect ratio of the common painting and calligraphy display frame (cabinet) is limited. Therefore, when the overlong painting and calligraphy is hung in the painting and calligraphy display frame (cabinet), the painting and calligraphy scroll can not be displayed in the middle in the painting and calligraphy display frame (cabinet), and the display effect of the painting and calligraphy is affected. Therefore, it is necessary to provide a device with the function of adjusting the center of the painting roll during the process of displaying the painting roll in the painting and calligraphy display frame (cabinet) for mounting the overlong painting roll.

Disclosure of Invention

Therefore, the utility model aims to provide a picture scroll adjusting device in a picture display frame, so as to solve the problem of centering adjustment of a picture scroll displayed in the picture display frame.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a painting scroll painting core adjusting device in a painting and calligraphy display frame, which comprises a bracket arranged in the painting and calligraphy display frame, wherein two ends of the bracket are respectively provided with a rotating mechanism and a coiling mechanism, and a painting containing cylinder which is used for placing a painting scroll and is provided with an axial open slot is arranged between the rotating mechanism and the coiling mechanism; the coiling mechanism controls the picture holding cylinder to rotate, and the rotating mechanism is assisted with the rotary support to coil the picture, so that the picture center of the picture is centrally displayed in the picture display frame of the painting and calligraphy.

Optionally, the bracket is composed of two cross arms, hook pieces and end plates, wherein the two end plates are in an L-shaped structure and are respectively positioned at two ends of the cross arms and used for respectively installing a rotating mechanism and a coiling mechanism; the hook hanging piece is arranged at least one and is positioned at the rear side of the cross arm and used for being connected with the back plate of the painting and calligraphy display frame; the cross arm adopts a U-shaped structure.

Optionally, the rotating mechanism consists of a bottom plate and a fastening taper plug II, the bottom plate is detachably connected with an end plate arranged at one end of the bracket, and a shaft hole is arranged on the bottom plate; the fastening taper plug II is spliced with the picture holding cylinder, and the deviating end of the fastening taper plug II, which deviates from the picture holding cylinder, is provided with a circular rotating shaft which is matched with the shaft hole formed in the bottom plate.

Optionally, the rotating mechanism further comprises a locking assembly, the locking assembly is composed of a fixing piece and a rotating piece, the fixing piece is arranged on the bottom plate, and a slipping groove which is matched with the circular rotating shaft of the fastening taper plug II and provided with an opening is formed in the fixing piece; the rotating piece is used for locking the opening of the slipping groove, and the rotating piece is arranged on the bottom plate through the pin shaft and can be in tight fit with the fixing piece.

Optionally, the fixing piece is further provided with a clamping groove, and the rotating piece is provided with a protruding table buckled with the clamping groove.

Optionally, the coiling mechanism consists of a fastening taper plug I, a tooth bin, a non-circular rotating shaft, a transmission gear, a pressing piece, an anti-reverse reed, a control rotating wheel, a driving gear and a capsule chain, wherein the fastening taper plug I is spliced with the picture holding cylinder, and a jack is arranged at the deviating end of the fastening taper plug I, which is deviated from the picture holding cylinder; the tooth bin is detachably connected with an end plate arranged at one end of the bracket, and an inner gear ring meshed with the transmission gear is arranged in the tooth bin; the noncircular rotating shaft penetrates through the tooth bin and extends towards the fastening taper plug I, the noncircular rotating shaft is matched with a jack arranged on the fastening taper plug I, and a transmission gear is arranged at the deviating end of the noncircular rotating shaft, which deviates from the fastening taper plug I; a pressing sheet, an anti-reversion reed and a control rotating wheel are sequentially arranged between the tooth bin and the end plate, a driving gear meshed with the transmission gear is arranged in the control rotating wheel, and two sides of the pressing sheet are respectively contacted with the outer end surfaces of the anti-reversion reed and an inner gear ring arranged on the tooth bin; a plurality of deflector rods which are uniformly distributed are arranged on the circumference of the control rotating wheel, and a capsule chain is arranged on the control rotating wheel and acts with the deflector rods; the tooth bin is also provided with two symmetrically arranged openings for avoiding the rotation of the capsule chain.

Optionally, the noncircular rotating shaft adopts a font, polygon, ellipse or D shape, and the end that deviates from of noncircular rotating shaft deviating from fastening taper plug I is provided with the base plate, and drive gear sets up to three, is cyclic annular evenly distributed on the base plate.

Optionally, a plurality of fork grooves are arranged on the anti-reversion reed, and the fork grooves are used for being matched with a deflector rod arranged on the control rotating wheel.

Optionally, the winding mechanism further comprises a manual knob, wherein the manual knob is located at the outer side of the end plate, is fixedly connected with the control rotating wheel, and is movable relative to the end plate.

Alternatively, the manual knob is replaced by a rotary motor.

The utility model has the technical effects that: according to the picture scroll adjusting device in the picture display frame, the scroll shaft arranged in the picture containing cylinder can be rolled through the mutual matching between the winding mechanism and the rotating mechanism, so that the picture scroll can be lifted up and down or horizontally moved, the picture scroll displayed in the picture display frame can be centered, and the picture scroll can be conveniently and completely displayed in the picture display frame. Meanwhile, the adjusting device is simple in structure, convenient to manufacture, low in cost, reusable and high in popularization and application value.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic illustration of a prior art scroll display within a painting and calligraphy display frame;

FIG. 2 is a schematic diagram of a perspective structure of a picture scroll adjusting apparatus according to the present utility model;

FIG. 3 is an exploded view of the rotary mechanism of FIG. 2;

FIG. 4 is a schematic view of the closure assembly of FIG. 3;

FIG. 5 is another schematic view of FIG. 3;

FIG. 6 is an exploded view of the take-up mechanism of FIG. 2;

FIG. 7 is a schematic view of an exploded construction of the take-up mechanism of FIG. 2 in another direction;

FIG. 8 is a schematic diagram illustrating the engagement of the driving gear with the driving gear in FIG. 6;

FIG. 9 is a schematic view of the cartridge of FIG. 6 separated from the main gear;

FIG. 10 is a schematic view of the paint roller of the utility model when applied to a painting roller core adjustment device;

FIG. 11 is an initial schematic view of FIG. 10 suspended within a painting and calligraphy display frame;

FIG. 12 is a schematic illustration of the modified scroll painting core of FIG. 11;

reference numerals: 1-a coiling mechanism, 2-a picture holding cylinder, 3-a rotating mechanism, 4-a bracket and 5-a picture scroll; 10-fastening cone plugs I, 11-tooth bins, 12-non-circular rotating shafts, 13-transmission gears, 14-tabletting, 15-anti-reverse reed, 16-control rotating wheels, 17-driving gears, 18-capsule chains and 19-manual knobs; 101-jack, 111-annular gear, 112-notch, 121-base plate, 151-fork slot and 161-deflector rod; 21-an open slot; 31-a bottom plate, 32-a shaft hole, 33-a fastening taper plug II, 34-a circular rotating shaft and 35-a locking assembly; 351-fixing parts, 352-slipping grooves, 353-pin shafts, 354-rotating parts, 355-protruding tables and 356-clamping grooves; 41-cross arms, 42-hook hanging pieces and 43-end plates; 51-drawing the heart.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 2 and 10-12, the painting scroll and painting core adjusting device in the painting and calligraphy display frame in this embodiment mainly comprises a bracket 4, a rotating mechanism 3, a painting containing cylinder 2 and a winding mechanism 1, wherein the bracket 4 is installed in the painting and calligraphy display frame and comprises two cross arms 41, hook pieces 42 and end plates 43, and the end plates 43 are in an L-shaped structure and are respectively positioned at two ends of the cross arms 41 and used for respectively installing the rotating mechanism 3 and the winding mechanism 1; the two hooking pieces 42 are also arranged at the rear side of the cross arm 41 and are used for being connected with the back plate of the painting and calligraphy display frame; the cross arm 41 adopts a U-shaped structure, the cross arm can be lightened under certain rigidity, and the openings on two sides of the cross arm are also convenient to install the end plate 43 in an L-shaped structure. The rotary mechanisms 3 and the coiling mechanisms 1 arranged at the two ends of the bracket 4 are detachably connected with the picture holding cylinder 2 which is used for holding a scroll at one end of the picture scroll 5 and is provided with an axial open slot 21, the picture holding cylinder 2 can be made of acrylic material, the axial open slot 21 is used for avoiding the picture scroll, and the scroll can enter the picture holding cylinder 2; in this way, the winding mechanism 1 controls the picture holding cylinder 2 to rotate, and the rotating mechanism 3 is assisted with a rotary support to enable the picture holding cylinder 2 to wind up the picture scroll 5, so that the picture core 51 of the picture scroll 5 is centrally displayed in the painting and calligraphy display frame. By adopting the scheme, through the mutual cooperation between the coiling mechanism and the rotating mechanism, the scroll shaft placed in the painting containing cylinder can be rolled, the painting scroll can be lifted up and down (the painting scroll is vertically hung in the painting and calligraphy display frame, the adjusting device at the moment is only arranged at the top of the painting scroll) or horizontally moved (the painting scroll is transversely hung in the painting and calligraphy display frame, and the adjusting device at the moment is required to be arranged at both sides of the painting scroll), so that the painting scroll painting core displayed in the painting and calligraphy display frame is centered and adjusted, and the painting scroll painting core is conveniently and completely displayed in the painting and calligraphy display frame. Meanwhile, the adjusting device is simple in structure, convenient to manufacture, low in cost, reusable and high in popularization and application value.

As shown in fig. 3-5, the rotating mechanism 3 of the adjusting device specifically comprises a bottom plate 31 and a fastening taper plug ii 33, wherein the bottom plate 31 is detachably connected with an end plate 43 arranged at one end of the bracket 4 through self-tapping screws, and a shaft hole 32 is formed in the bottom plate 31; the fastening taper plug II 33 is inserted into the picture holding cylinder 2, that is, the fastening taper plug II 33 can be inserted into one end of the picture holding cylinder 2 and is in tight fit connection with the picture holding cylinder 2, and can be taken down from the picture holding cylinder 2, the scroll of the picture scroll 5 can conveniently enter the picture holding cylinder 2 from one end thereof, and the deviating end of the fastening taper plug II 33, which deviates from the picture holding cylinder 2, is provided with a circular rotating shaft 34 which is matched with the shaft hole 32 arranged on the bottom plate 31, that is, the fastening taper plug II can be in rotary fit with the shaft hole 32 of the bottom plate 31 through the circular rotating shaft 34, so that the effect of supporting the picture holding cylinder 2 in a rotary manner is achieved.

In this embodiment, the rotating mechanism 3 further includes a locking assembly 35, where the locking assembly 35 is composed of a fixing member 351 and a rotating member 354, the fixing member 351 is fixedly mounted on the bottom plate 31, or the fixing member 351 is of an integral structure with the bottom plate 31, and the fixing member 351 is provided with a sliding groove 352 adapted to the circular rotating shaft 34 of the fastening cone plug ii 33 and having an opening, so as to replace the shaft hole 32 and the circular rotating shaft 34 originally provided on the bottom plate 31 to be mutually and rotatably matched; the rotating member 354 is an opening for locking the sliding groove 352, and the rotating member 354 is disposed on the bottom plate 31 through the pin 353 and can be tightly matched with the fixing member 351, and the tightly matched structure is as follows: the fixing member 351 is provided with a locking groove 356, and the rotating member 354 is provided with a boss 355 engaged with the locking groove 356. In this way, the bottom plate 31 with the locking assembly 35 is fixedly connected with the end plate 43 of the bracket 4, the fastening cone plug II 33 is inserted into the picture holding cylinder 2, the rotating member 354 rotates to open the sliding groove 352, so that the round rotating shaft 34 of the fastening cone plug II 33 conveniently enters and exits from the opening of the sliding groove 352, and after the boss 355 of the rotating member 354 is buckled with the clamping groove 356 of the fixing member 351, the opening of the sliding groove 352 can be locked, so that the round rotating shaft 34 can rotate in the sliding groove 352, and the effect of supporting the picture holding cylinder 2 in a rotating manner is achieved. The design of the locking component can facilitate the picking and placing operation of the painting canister.

As shown in fig. 6-9, the winding mechanism 1 of the adjusting device is composed of a fastening cone plug i 10, a tooth chamber 11, a non-circular rotating shaft 12, a transmission gear 13, a pressing sheet 14, an anti-reverse reed 15, a control rotating wheel 16, a driving gear 17 and a capsule chain 18, wherein the fastening cone plug i 10 is inserted with the picture holding cylinder 2, and the function of the fastening cone plug i 10 is the same as that of the fastening cone plug ii 33, and the description is omitted; the deviating end of the fastening taper plug I10, which deviates from the picture holding cylinder 2, is provided with a jack 101; the tooth chamber 11 is detachably connected with an end plate 43 arranged at one end of the bracket 4, and an inner gear ring 111 meshed with the transmission gear 13 is arranged in the tooth chamber 11; the non-circular rotating shaft 12 penetrates through the tooth chamber 11 and extends towards the fastening cone plug I10, and the non-circular rotating shaft 12 is matched with the insertion hole 101 arranged on the fastening cone plug I10 to rotate the fastening cone plug I10 but cannot rotate with the fastening cone plug I10, namely, the non-circular rotating shaft 12 adopts one of a straight shape, a polygonal shape, an oval shape or a D shape. A base plate 121 is arranged at the end of the non-circular rotating shaft 12, which is away from the fastening taper plug I10, or the base plate 121 is of an integrated structure with the non-circular rotating shaft 12, and three transmission gears 13 which are annularly and uniformly distributed and are in transmission connection with the inner gear ring 111 arranged on the tooth bin 11 are arranged on the base plate 121 through rotary pins; a pressing sheet 14, an anti-reversion reed 15 and a control rotating wheel 16 are sequentially arranged between the tooth chamber 11 and the end plate 43, a driving gear 17 meshed with the transmission gear 13 is arranged in the control rotating wheel 16, two sides of the pressing sheet 14 are respectively contacted with the outer end surfaces of the anti-reversion reed 15 and an inner gear ring 111 arranged on the tooth chamber 11, and the friction force formed by the surface contact among the tooth chamber 11, the pressing sheet 14, the anti-reversion reed 15 and the control rotating wheel 16 is utilized to drive the picture holding cylinder 2 to rotate and overcome the reverse rotation generated by the dead weight of the vertically coiled picture scroll 5; if in different examples, such as when the painting scroll is hung horizontally, the coiling mechanism can be provided with no pressing sheet and no reverse rotation reed; the plurality of deflector rods 161 which are uniformly distributed are arranged on the circumference of the control rotating wheel 16, and the capsule chain 18 is arranged on the control rotating wheel 16 and acts with the deflector rods 161, namely, the capsule chain 18 is utilized to drive the control rotating wheel 16 to obtain a rotating effect; the tooth chamber 11 is also provided with two symmetrically arranged notches 112 for avoiding the rotation of the capsule chain 18. In this way, the capsule chain 18 is pulled to rotate the control rotating wheel 16, the driving gear 17 is driven to rotate to transmit power to the transmission gear 13, the transmission gear 13 is matched with the inner gear ring 111 of the tooth chamber 11 in an auxiliary manner to drive the non-circular rotating shaft 12 to rotate, and the non-circular rotating shaft 12 drives the fastening cone plug I10 and the picture holding cylinder 2 connected with the fastening cone plug I to rotate, so that the picture holding cylinder 2 rotates to roll up the picture. The static friction force is generated between the tooth chamber 11 and the control rotating wheel 16 by the pressing sheet 14 and the anti-reverse reed 15 to ensure that the picture holding cylinder 2 only rotates under the traction of the control rotating wheel 16 and does not rotate.

In this embodiment, the anti-reverse reed 15 is provided with a plurality of fork grooves 151, and the fork grooves 151 are used to cooperate with the shift lever 161 provided on the control wheel 16, that is, the fork grooves 151 provided on the anti-reverse reed 15 are used to abut against the shift lever 161 on the control wheel 16, so as to further strengthen the anti-reverse force of the anti-reverse reed 15 on the control wheel 16.

In another embodiment, the winding mechanism 1 further comprises a manual knob 19, and the manual knob 19 is located outside the end plate 43, fixedly connected to the control wheel 16, and movable relative to the end plate 43. Therefore, the rotary knot mode of the control rotating wheel 16 can be used as the coarse adjustment containing cylinder 2 to rotate through the capsule chain 18, and the rotary mode of the control rotating wheel 16 can be used as the fine adjustment containing cylinder 2 to rotate through the manual knob 19, so that the high and low positions of the painting scroll painting center can be further finely adjusted to achieve the best effect, and the centering of the painting scroll painting center can be better, more conveniently and effectively adjusted. In addition, the manual knob 19 can be replaced by a rotating motor (not shown) to rotate the picture holding cylinder in an electric mode, so that the picture holding cylinder is more labor-saving and convenient.

When the device is used, the support of the device is firstly arranged and fixed on the backboard in the painting and calligraphy display frame (cabinet), then the rotating piece 354 of the locking component 35 on the rotating mechanism 3 is opened, the fastening taper plug II 33 at one end of the painting containing cylinder 2 is removed from the opening of the slipping groove 352, the painting containing cylinder 2 with the fastening taper plug II 33 and the fastening taper plug I10 at two ends is further removed, then the fastening taper plug II 33 or the fastening taper plug I10 at one end of the painting containing cylinder 2 is arbitrarily pulled out, so that the scroll of the painting containing cylinder 5 slides into the painting containing cylinder 2, then the pulled-out fastening taper plug II 33 or the fastening taper plug I10 is plugged back, the jack 102 on the fastening taper plug I10 at one end of the painting containing cylinder 2 is firstly matched with the non-circular rotating shaft 12 on the winding mechanism 1, and then the circular rotating shaft 34 on the fastening taper plug II 33 at the other end of the painting containing cylinder 2 is moved in and out of the slipping groove 352, and is locked on the fixing piece 351 by the rotating piece 354 to form a rotary support; then, the capsule chain 18 is pulled to rotate the control rotating wheel 16, the driving gear 17 is driven to rotate to transmit power to the transmission gear 13, the transmission gear 13 is matched with the inner gear ring 111 of the tooth chamber 11 in an auxiliary mode to drive the non-circular rotating shaft 12 to rotate, and the non-circular rotating shaft 12 drives the fastening cone plug I10 and the picture holding cylinder 2 connected with the fastening cone plug I to rotate, so that the aim of winding the picture by rotating the picture holding cylinder 2 is achieved. The static friction force is generated between the tooth chamber 11 and the control rotating wheel 16 by the pressing sheet 14 and the anti-reversion reed 15 to ensure that the picture holding cylinder 2 only rotates under the traction of the control rotating wheel 16 and does not rotate, namely the position after adjustment can be automatically locked, and the reverse rotation and displacement of the picture holding cylinder 2 are avoided. The control wheel 16 can be further rotated by the manual knob 19 to rotate the fine adjustment picture holding cylinder 2, so that the redundant mounting part of the picture scroll is wound on the picture holding cylinder 2 until the picture center part reaches a satisfactory view point position, and the centering of the picture scroll is better and more convenient to adjust effectively.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims (9)

1. The painting scroll and painting core adjusting device in the painting and calligraphy display frame comprises a bracket (4) arranged in the painting and calligraphy display frame, and is characterized in that two ends of the bracket are respectively provided with a rotating mechanism (3) and a coiling mechanism (1), and a painting containing cylinder (2) which is used for placing a scroll of a painting scroll (5) and is provided with an axial open slot (21) is arranged between the rotating mechanism and the coiling mechanism; the coiling mechanism controls the picture holding cylinder to rotate, and the rotating mechanism is assisted with the rotary support to coil the picture, so that the picture center of the picture is centered and displayed in the picture display frame of the painting and calligraphy; the bracket consists of two cross arms (41), a hooking piece (42) and end plates (43), wherein the two end plates are of an L-shaped structure and are respectively positioned at two ends of the cross arms and used for respectively installing a rotating mechanism and a coiling mechanism; the hook hanging piece is arranged at least one and is positioned at the rear side of the cross arm and used for being connected with the back plate of the painting and calligraphy display frame; the cross arm adopts a U-shaped structure.

2. The painting scroll adjusting device in the painting and calligraphy display frame according to claim 1, characterized in that the rotating mechanism consists of a bottom plate (31) and a fastening taper plug II (33), the bottom plate is detachably connected with an end plate arranged at one end of the bracket, and a shaft hole (32) is arranged on the bottom plate; the fastening taper plug II is spliced with the picture holding cylinder, and a circular rotating shaft (34) matched with the shaft hole formed in the bottom plate is arranged at the deviating end of the fastening taper plug II, which deviates from the picture holding cylinder.

3. The painting and calligraphy core adjusting device in the painting and calligraphy display frame according to claim 2, characterized in that the rotating mechanism also comprises a locking component (35), the locking component consists of a fixing piece (351) and a rotating piece (354), the fixing piece is arranged on the bottom plate, and a slip groove (352) which is matched with the round rotating shaft of the fastening cone plug II and is provided with an opening is arranged on the fixing piece; the rotating piece is used for locking the opening of the slipping groove, and the rotating piece is arranged on the bottom plate through a pin shaft (353) and can be tightly matched with the fixing piece.

4. The picture scroll adjusting apparatus in a picture display frame according to claim 3, wherein the fixing member is further provided with a clamping groove (356), and the rotating member is provided with a boss (355) which is buckled with the clamping groove.

5. The painting and calligraphy heart adjusting device in the painting and calligraphy display frame according to any one of claims 1-4, characterized in that the coiling mechanism consists of a fastening cone plug I (10), a tooth bin (11), a non-circular rotating shaft (12), a transmission gear (13), a pressing sheet (14), an anti-reverse reed (15), a control rotating wheel (16), a driving gear (17) and a capsule chain (18), the fastening cone plug I is spliced with the painting containing cylinder, and a jack (101) is arranged at the deviating end of the fastening cone plug I from the painting containing cylinder; the tooth bin is detachably connected with an end plate arranged at one end of the bracket, and an inner gear ring (111) meshed with the transmission gear is arranged in the tooth bin; the noncircular rotating shaft penetrates through the tooth bin and extends towards the fastening taper plug I, the noncircular rotating shaft is matched with a jack arranged on the fastening taper plug I, and a transmission gear is arranged at the deviating end of the noncircular rotating shaft, which deviates from the fastening taper plug I; a pressing sheet, an anti-reversion reed and a control rotating wheel are sequentially arranged between the tooth bin and the end plate, a driving gear meshed with the transmission gear is arranged in the control rotating wheel, and two sides of the pressing sheet are respectively contacted with the outer end surfaces of the anti-reversion reed and an inner gear ring arranged on the tooth bin; a plurality of deflector rods (161) which are uniformly distributed are arranged on the circumference of the control rotating wheel, and a capsule chain is arranged on the control rotating wheel and acts with the deflector rods; the tooth bin is also provided with two symmetrically arranged notches (112) for avoiding the rotation of the capsule chain.

6. The painting scroll and picture core adjusting device in a painting and calligraphy display frame according to claim 5, wherein the non-circular rotating shaft is in a shape of a straight line, a polygon, an ellipse or a D, a base plate (121) is arranged at the deviating end of the non-circular rotating shaft, which deviates from the fastening conical plug I, and the three transmission gears are annularly and uniformly distributed on the base plate.

7. The device for adjusting the center of a painting and calligraphy in a painting and calligraphy display frame according to claim 5, characterized in that a plurality of fork grooves (151) are arranged on the anti-reverse spring plate, and the fork grooves are used for being matched with a deflector rod arranged on a control rotating wheel.

8. The picture scroll and painting core adjusting device in the picture and painting display frame according to claim 5, wherein the winding mechanism further comprises a manual knob (19), and the manual knob is located at the outer side of the end plate, fixedly connected with the control rotating wheel, and movable relative to the end plate.

9. The picture scroll and picture core adjustment device in a painting and calligraphy display frame according to claim 8, wherein the manual knob is replaced by a rotary motor.