CN216449876U - Background frame for movie and television shooting - Google Patents

Abstract

The application discloses a background frame for movie and television shooting, which comprises a background frame body and background cloth, wherein the background cloth is detachably arranged on the background frame body, the background frame body comprises a first supporting column and a second supporting column, the second supporting column is telescopically connected with the first supporting column, the telescopic connection can adjust the distance between the first supporting column and the second supporting column, so that the length of the background cloth in the horizontal direction can be adjusted according to the actual requirement to meet the condition that different requirements are made on the size of the background cloth due to different scenes during shooting, a first fixing part is arranged on the first supporting column, a second fixing part is arranged on the second supporting column, one end of the background cloth can be fixed by the first fixing part, the other end of the background cloth can be fixed by the second fixing part, and the effective fixation of the two ends of the background cloth can be realized by arranging the first fixing part and the second fixing part, thereby guarantee that background cloth is in the tensioning state when using, improve the shooting effect.

Description

Background frame for movie and television shooting

Technical Field

The application relates to the technical field of background frames, in particular to a background frame for movie and television shooting.

Background

In the movie and television play shooting process, background cloth is often required to be laid to display different backgrounds, so that the shooting cost is saved. Background cloth of prior art often all fixes on the background frame, and current background frame is fixed knot structure mostly, can not adjust, and inconvenient change different length size's background cloth leads to its practicality not strong.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, an aim at of this application provides a movie & TV is shot and is used background frame, and it can all be adjusted at horizontal direction and vertical direction, is convenient for fix the background cloth of equidimension not, improves its practicality greatly.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the utility model provides a movie & TV is shot and is used background frame, includes background frame body and background cloth, background cloth detachably install in on the background frame body, background frame body includes first support column and second support column, the second support column telescopically connects first support column, be equipped with first mounting on the first support column, be equipped with the second mounting on the second support column, first mounting can be right the one end of background cloth is fixed, the second mounting can be right the other end of background cloth is fixed.

Further, first support column includes first vertical section and first horizontal section, first horizontal section rigid coupling in the top of first vertical section, the second support column includes the vertical section of second and the horizontal section of second, the horizontal section rigid coupling of second in the top of the vertical section of second, first horizontal section is equipped with the spout, the horizontal section of second stretches into in the spout.

Further, be equipped with first screw hole on the first horizontal section, first screw hole is from last to running through down the spout, be equipped with a plurality of second screw holes on the horizontal section of second, it is a plurality of the second screw hole equally spaced set up in on the horizontal section of second, the second screw hole runs through the horizontal section of second, be equipped with fixing bolt on the first horizontal section, fixing bolt passes in proper order first screw hole and the second screw hole can with the horizontal section of second is fixed in the first horizontal section.

Furthermore, the number of the first fixing pieces is two, one of the first fixing pieces is fixed on the first vertical section, the other one of the first fixing pieces is slidably mounted on the first vertical section, the number of the second fixing pieces is two, one of the second fixing pieces is fixed on the second vertical section, and the other one of the second fixing pieces is slidably mounted on the second vertical section.

Further, the second mounting includes the fixed block and supports the holding member, be equipped with fixed slot and first fixed orifices on the fixed block, first fixed orifices runs through the fixed slot, support tight including supporting tight pole, butt piece and first spring, support tight pole and run through in proper order first fixed orifices and the fixed slot, the butt piece is fixed in support on the pole, the one end rigid coupling of first spring in the fixed slot, the other end of first spring is fixed in the butt piece.

Further, the background cloth comprises a scroll and a background cloth body, one end of the background cloth body is wound on the scroll, a first fixing portion is arranged at the other end of the background cloth body and extends into the fixing groove, a second fixing hole is formed in the first fixing portion and is aligned with the first fixing hole, and the abutting rod can penetrate through the second fixing hole to fix the first fixing portion into the fixing groove.

Further, first mounting includes connecting block and joint piece, the one end of connecting block is connected first vertical section, the other end of connecting block is connected the joint piece, be equipped with the draw-in groove in the joint piece, the spool can be gone into in the draw-in groove.

Furthermore, a second mounting cavity, a second through hole and a second screw rod are arranged at the lower end of the second vertical section, the upper end and the lower end of the second screw rod are fixed in the second mounting cavity through bearings respectively, the second through hole is communicated with the second mounting cavity, one of the second fixing pieces penetrates through the second through hole and is in threaded connection with the second screw rod, and the second fixing piece is made to move up and down along the vertical direction under the rotation of the second screw rod.

Further, the lower extreme of first vertical section is equipped with first installation cavity, first through-hole and first lead screw, the upper and lower both ends of first lead screw are fixed in through the bearing respectively in the first installation cavity, first through-hole intercommunication first installation cavity, one of them first mounting passes first through-hole and threaded connection in first lead screw first mounting can drive under the rotation of first lead screw first mounting reciprocates along vertical direction.

Further, the upper end be equipped with the locating part on the first mounting, the locating part includes pull rod, latch segment and second spring, the upper end be equipped with the third through-hole on the joint piece, the third through-hole intercommunication the draw-in groove, the one end of pull rod is passed the third through-hole stretches into in the draw-in groove, the latch segment set up in the draw-in groove and be fixed in on the pull rod, the one end of second spring is connected the latch segment, the other end of second spring is connected the inner wall of draw-in groove.

Further, the spool includes spool body and two rotation portions, two the rotation portion do not is fixed in the both sides of spool body, each rotation portion card respectively goes into in the draw-in groove, wherein the upper end be equipped with the carousel in the rotation portion, the carousel is fixed in the upper end of rotation portion, be equipped with a plurality of spacing holes on the carousel, it is a plurality of spacing hole be the circumference distribute in on the carousel, the latch segment can block into spacing downthehole.

Furthermore, an electromagnet is arranged at the lower end of the first transverse section, a magnet is arranged in the pull rod, and the electromagnet is aligned with the magnet.

Compared with the prior art, the beneficial effect of this application lies in:

(1) it is equipped with first mounting and second mounting, and first mounting and second mounting can fix the both ends of background cloth, improve the firm degree that background cloth is fixed greatly.

(2) The first fixing piece and the second fixing piece at the lower end of the fixing device are respectively installed in a sliding mode, the distance between the two first fixing pieces is convenient to adjust in the sliding installation mode, and the purpose of fixing background cloth with different sizes can be met.

(3) It is equipped with first support column and second support column, is scalable connection between first support column and the second support column, is convenient for adjust the distance between first support column and the second support column, can fix the background cloth of different length, improves the practicality of whole background frame greatly.

Drawings

Fig. 1 is a perspective view of a background frame for movie shooting in the present application.

Fig. 2 is an enlarged schematic view of the application at a in fig. 1.

Fig. 3 is a front view of a background frame for movie shooting in the present application.

Fig. 4 is a plan view of the background frame for movie shooting according to the present application.

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 of the present application.

Fig. 6 is an enlarged view of fig. 5 of the present application at D.

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4 of the present application.

Fig. 8 is an enlarged view of fig. 7 at E.

Fig. 9 is a schematic view of a background cloth of the present application.

In the figure: 1. a background frame; 10. a background frame body; 11. a first support column; 111. a first vertical section; 112. a first transverse segment; 113. an electromagnet; 114. a chute; 115. a first threaded hole; 116. fixing the bolt; 117. a first mounting cavity; 118. a first lead screw; 119. a first through hole; 12. a second support column; 121. a second vertical section; 122. a second transverse segment; 123. a second mounting cavity; 124. a second lead screw; 125. a second through hole; 126. a second threaded hole; 13. a first fixing member; 131. connecting blocks; 132. a clamping block; 133. a limiting member; 134. a card slot; 135. a third through hole; 136. a pull rod; 137. a locking block; 138. a second spring; 14. a second fixing member; 141. a fixed block; 142. an abutting piece; 143. fixing grooves; 144. a first fixing hole; 145. a tightening rod; 146. a butting block; 147. a first spring; 20. a background cloth; 21. a reel; 211. a reel body; 212. a rotating part; 213. a turntable; 214. a limiting hole; 22. a background cloth body; 221. a first fixed part; 222. and a second fixing hole.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-9, a background frame 1 for movie and television shooting comprises a background frame body 10 and background cloth 20, the background cloth 20 is detachably installed on the background frame body 10, the background frame body 10 comprises a first support column 11 and a second support column 12, the second support column 12 is telescopically connected with the first support column 11, the telescopic connection can adjust the distance between the first support column 11 and the second support column 12, so that the length of the background cloth 20 in the horizontal direction can be adjusted according to actual requirements, the situation that different requirements are required for the size of the background cloth 20 due to different scenes during shooting is met, and the practicability of the whole background frame 1 is greatly improved. Be equipped with first mounting 13 on the first support column 11, be equipped with second mounting 14 on the second support column 12, first mounting 13 can be fixed the one end of background cloth 20, and second mounting 14 can be fixed the other end of background cloth 20, can realize fixing effectively the both ends of background cloth 20 through setting up first mounting 13 and second mounting 14 to guarantee that background cloth 20 is in the tensioning state when using, improve the shooting effect.

As shown in fig. 1 and 5, the first support column 11 includes a first vertical section 111 and a first horizontal section 112, the first horizontal section 112 is fixedly connected above the first vertical section 111, the second support column 12 includes a second vertical section 121 and a second horizontal section 122, the second horizontal section 122 is fixedly connected above the second vertical section 121, the first horizontal section 112 is provided with a sliding slot 114, and the second horizontal section 122 extends into the sliding slot 114. The distance between the first vertical section 111 and the second vertical section 121 can be adjusted by moving the second transverse section 122 left and right in the sliding chute 114, so as to meet the requirements of different shooting scenes. Preferably, the first transverse section 112 is provided with a first threaded hole 115, the first threaded hole 115 penetrates through the sliding slot 114 from top to bottom, the second transverse section 122 is provided with a plurality of second threaded holes 126, the plurality of second threaded holes 126 are equidistantly arranged on the second transverse section 122, the second threaded hole 126 penetrates through the second transverse section 122, the first transverse section 112 is provided with a fixing bolt 116, the fixing bolt 116 sequentially penetrates through the first threaded hole 115 and the second threaded hole 126 to fix the second transverse section 122 in the first transverse section 112, when the size of the background cloth 20 in the horizontal direction needs to be adjusted, the fixing bolt 116 is firstly loosened, the second transverse section 122 is then slid in the sliding slot 114, when the second transverse section 122 is slid to the left, the distance between the first vertical section 111 and the second vertical section 121 is shortened, when the second transverse section 122 is slid to the right, the distance between the first vertical section 111 and the second vertical section 121 is increased, therefore, the length of the second transverse section 122 extending into the sliding groove 114 can be adjusted according to actual requirements in the adjusting process, after the length of the second transverse section 122 is adjusted, the second threaded hole 126 can be aligned to the first threaded hole 115, and the fixing bolt 116 sequentially penetrates through the first threaded hole 115 and the second threaded hole 126 to fix the second transverse section 122 in the sliding groove 114, so that the length of the background cloth 20 in the horizontal direction is adjusted, and the practicability of the whole background frame 1 is improved.

As shown in fig. 1 and 3, the number of the first fixing members 13 is two, one of the first fixing members 13 is fixed on the first vertical section 111, the other first fixing member 13 is slidably mounted on the first vertical section 111, specifically, the first fixing member 13 at the upper end is fixed on the first vertical section 111, the first fixing member 13 at the lower end is slidably mounted on the first vertical section 111, the number of the second fixing members 14 is two, one of the second fixing members 14 is fixed on the second vertical section 121, the other second fixing member 14 is slidably mounted on the second vertical section 121, specifically, the second fixing member 14 at the upper end is fixed on the second vertical section 121, the second fixing member 14 at the lower end is slidably mounted on the second vertical section 121, the first fixing member 13 and the second fixing member 14 fixed at the upper end are aligned with each other, the first fixing member 13 and the second fixing member 14 slidably mounted at the lower end are aligned with each other, the purpose of mutual alignment is to ensure that the background cloth 20 will not wrinkle when being installed, and ensure the flatness of the background cloth 20 when being fixed. The background cloth 20 with different heights can be fixed by arranging the first fixing piece 13 and the second fixing piece 14 which can move up and down, when the length of the background cloth 20 in the vertical direction is longer, the first fixing piece 13 and the second fixing piece 14 which can move up and down can be adjusted by adjusting the movable first fixing piece 13 and the movable second fixing piece 14 at the lower end, the first fixing piece 13 and the second fixing piece 14 can move down, and when the length of the background cloth 20 in the vertical direction is shorter, the movable first fixing piece 13 and the movable second fixing piece 14 can be adjusted by adjusting the movable first fixing piece 13 and the movable second fixing piece 14 to respectively move up, so that the distance between the two first fixing pieces 13 can be adjusted according to the size of the background cloth 20 in actual scenes, the purposes of installing and fixing different background cloths 20 are met, and the practicability of the background cloth is greatly improved.

As shown in fig. 2 and 8, the second fixing member 14 includes a fixing block 141 and a fastening member 142, the fixing block 141 is provided with a fixing groove 143 and a first fixing hole 144, the first fixing hole 144 penetrates through the fixing groove 143, the fastening member 142 includes a fastening rod 145, a fastening block 146 and a first spring 147, the fastening rod 145 penetrates through the first fixing hole 144 and the fixing groove 143, the fastening block 146 is fixed on the fastening rod 145, one end of the first spring 147 is fixed to the fixing groove 143, the other end of the first spring 147 is fixed to the fastening block 146, when the first fixing portion 221 on the background cloth 20 needs to be fixed, the fastening rod 145 is pulled outwards first, the fastening rod 145 drives the fastening block 146 to move, then the first fixing portion 221 is inserted into the fixing groove 143, the second fixing hole 222 is aligned to the first fixing hole 144, then the fastening rod 145 is loosened, and under the elastic force of the first spring 147, the fastening rod 145 can penetrate through the second fixing hole 222 and the first fixing hole 144 in turn, meanwhile, the abutting block 146 abuts the first fixing portion 221 against the sidewall of the fixing groove 143, thereby fixing one end of the background cloth 20. Through setting up the piece 142 that supports, can realize fixing or dismantling first fixed part 221 fast, improve its installation rate greatly.

As shown in fig. 9, the background cloth 20 includes a reel 21 and a background cloth main body 22, one end of the background cloth main body 22 is wound on the reel 21, and the size of the background cloth 20 can be adjusted at any time by providing the reel 21, thereby improving the practicability of the background cloth. The other end of the background cloth body 22 is provided with a first fixing portion 221, the first fixing portion 221 extends into the fixing groove 143, the first fixing portion 221 is provided with a second fixing hole 222, the second fixing hole 222 is aligned with the first fixing hole 144, the tightening rod 145 can pass through the second fixing hole 222 to fix the first fixing portion 221 into the fixing groove 143, when the background cloth 20 needs to be fixed, the upper end and the lower end of the reel 21 are respectively fixed into the clamping groove 134 of the first fixing member 13, then the background cloth body 22 is pulled, so that the first fixing portion 221 on the background cloth body 22 extends into the fixing groove 143, then the tightening rod 145 can pass through the second fixing hole 222 to press the first fixing portion 221 into the fixing groove 143, thereby fixing the first fixing portion 221, the reel 21 is fixed to the first fixing member 13, and the first fixing portion 221 is pulled to drive the background cloth body 22 to unfold, the first fixing part 221 is fixed by the second fixing part 14, so that the whole background cloth 20 is fixed on the background frame 1, and the fixing effect of the whole background cloth 20 is greatly improved.

As shown in fig. 5-6, the first fixing member 13 includes a connecting block 131 and a clamping block 132, one end of the connecting block 131 is connected to the first vertical section 111, the other end of the connecting block 131 is connected to the clamping block 132, a clamping groove 134 is disposed in the clamping block 132, the reel 21 can be clamped into the clamping groove 134, when the reel 21 is fixed, the upper end of the reel 21 extends into the clamping groove 134 at the upper end, and then the first lead screw 118 is rotated to drive the first fixing member 13 at the lower end to move upwards by the first lead screw 118, so that the clamping groove 134 of the clamping block 132 at the lower end can be clamped into the lower end of the reel 21, thereby the purpose of fixing the reel 21 by the two first fixing members 13 can be achieved, besides, the reel 21 is of a circular structure, the clamping groove 134 is also of a circular structure matching with the reel 21, and the reel 21 can also be rotated while being fixed in the vertical direction of the reel 21 by setting the clamping groove 134 of the circular structure, thereby facilitating pulling of the background cloth 20 wound on the reel 21. After the reel 21 is installed, the background cloth body 22 can be pulled by the first fixing portion 221, so that the background cloth body 22 can be unfolded, and then the first fixing portion 221 is inserted into the fixing groove 143, so that the first fixing portion 221 can be fixed on the second supporting column 12 under the action of the abutting member, and thus the background cloth 20 can be installed on the background frame 1 through the mutual matching of the first fixing member 13 and the second fixing member 14.

Preferably, as shown in fig. 5, a first mounting cavity 117 and a first screw rod 118 are disposed at a lower end of the first vertical section 111, an upper end and a lower end of the first screw rod 118 are respectively fixed in the first mounting cavity 117 through a bearing, a first through hole 119 is disposed on the first vertical section 111, the first through hole 119 is communicated with the first mounting cavity 117, one of the first fixing members 13 passes through the first through hole 119 and is connected to the first screw rod 118 in a threaded manner, and the first fixing member 13 is driven to move up and down along a vertical direction under rotation of the first screw rod 118. When fixing the spool 21, earlier go into in the draw-in groove 134 with the upper end card of spool 21, rotate first lead screw 118 afterwards, first lead screw 118 can drive first mounting 13 and move up, from this first mounting 13 can be along first through-hole 119 and first lead screw 118 rebound, until the draw-in groove 134 butt of lower extreme in the below of spool 21, realize carrying out the purpose of fixing spool 21 from this, set up first mounting 13 of lower extreme into the rotation of accessible first lead screw 118 and reciprocate, be convenient for adjust the distance between two first mounting 13, can realize all fixing the spool 21 of different length, improve the practicality of whole background frame 1 greatly.

Preferably, as shown in fig. 5, a second mounting cavity 123 and a second lead screw 124 are provided at a lower end of the second vertical section 121, an upper end and a lower end of the second lead screw 124 are respectively fixed in the second mounting cavity 123 through a bearing, a second through hole 125 is provided on the second vertical section 121, the second through hole 125 communicates with the second mounting cavity 123, one of the second fixing members 14 passes through the second through hole 125 and is connected to the second lead screw 124 in a threaded manner, and the second fixing member 14 moves up and down along the vertical direction under the rotation of the second lead screw 124. After the reel 21 is fixed, the background cloth body 22 can be pulled by the first fixing portion 221 to be unfolded, after the background cloth body 22 is unfolded, the first fixing portion 221 at the upper end can be firstly clamped into the second fixing member 14 at the upper end, then the second lead screw 124 is rotated, the second fixing member 14 at the lower end is driven by the second lead screw 124 to move upwards until the abutting rod 145 aligns with the second fixing hole 222, then the abutting rod 145 is pulled, so that the first fixing portion 221 at the lower end can extend into the fixing groove 143, and then the abutting rod 145 and the abutting block 146 can fix the first fixing portion 221 in the fixing groove 143, thereby completing the fixing operation of the whole background cloth body 22. The positions of the first fixing part 13 and the second fixing part 14 at the lower end can be adjusted by arranging the first screw rod 118 and the second screw rod 124 in the application, so that the background cloth 20 with different sizes is fixed, and the practicability of the whole background frame 1 is greatly improved.

As shown in fig. 6, the limiting member 133 is disposed on the first fixing member 13 at the upper end, the limiting member 133 includes a pull rod 136, a locking block 137, and a second spring 138, a third through hole 135 is disposed on the clamping block 132 at the upper end, the third through hole 135 is communicated with the clamping groove 134, one end of the pull rod 136 passes through the third through hole 135 and extends into the clamping groove 134, the locking block 137 is disposed in the clamping groove 134 and fixed on the pull rod 136, one end of the second spring 138 is connected to the locking block 137, and the other end of the second spring 138 is connected to an inner wall of the clamping groove 134, when the upper end of the reel 21 is clamped into the clamping groove 134, the electromagnet 113 is activated, the electromagnet 113 is powered on to generate attraction to the magnet in the pull rod 136, so that the pull rod 136 moves upward, the locking block 137 is far away from the limiting hole 214, at this time, the limiting member 133 does not have a limiting operation on the reel 21, and the reel 21 can rotate in the clamping groove 134.

As shown in fig. 9, the reel 21 includes a reel body 211 and two rotating portions 212, the two rotating portions 212 are respectively fixed on two sides of the reel body 211, each rotating portion 212 is respectively clamped into the clamping groove 134, the structure of the rotating portion 212 is matched with the clamping groove 134, so that the rotating portion 212 can rotate in the clamping groove 134, wherein the rotating portion 212 at the upper end is provided with a turntable 213, the turntable 213 is fixed at the upper end of the rotating portion 212, the turntable 213 is provided with a plurality of limiting holes 214, the plurality of limiting holes 214 are circumferentially distributed on the turntable 213, the locking block 137 can be clamped into the limiting holes 214, when the background cloth body 22 is unfolded and fixed, the electromagnet 113 is powered off, at this time, the locking block 137 is aligned with one of the limiting holes 214, under the elastic force of the second spring 138, the locking block 137 can be clamped into the limiting holes 214, and by providing the locking block 137 and the limiting holes 214, the rotation of the reel 21 can be limited, so as to ensure the stability of the background cloth body 22.

As shown in fig. 6, the lower end of the first transverse section 112 is provided with an electromagnet 113, the pull rod 136 is provided with a magnet, and the electromagnet 113 is aligned with the magnet. The electromagnet 113 and the magnet are arranged to drive the pull rod 136 to move up and down, so that the reel 21 can be unlocked and limited conveniently.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (9)

1. The utility model provides a movie & TV is shot and is used background frame which characterized in that: including background frame body and background cloth, background cloth detachably install in on the background frame body, the background frame body includes first support column and second support column, the second support column telescopically is connected first support column, be equipped with first mounting on the first support column, be equipped with the second mounting on the second support column, first mounting can be right the one end of background cloth is fixed, the second mounting can be right the other end of background cloth is fixed.

2. A background frame for movie and television shooting as described in claim 1, characterized in that: the first support column comprises a first vertical section and a first transverse section, the first transverse section is fixedly connected with the top of the first vertical section, the second support column comprises a second vertical section and a second transverse section, the second transverse section is fixedly connected with the top of the second vertical section, the first transverse section is provided with a sliding groove, and the second transverse section extends into the sliding groove.

3. The backdrop stand for movie and television shooting as claimed in claim 2, characterized in that: the number of first mounting is two, one of them first mounting is fixed in on the first vertical section, another first mounting slidable mounting in on the first vertical section, the number of second mounting is two, one of them the second mounting is fixed in on the second vertical section, another second mounting slidable mounting in on the second vertical section.

4. A background frame for movie and television shooting as described in claim 3, characterized in that: the second mounting includes the fixed block and supports the holding member, be equipped with fixed slot and first fixed orifices on the fixed block, first fixed orifices runs through the fixed slot, support tight including supporting tight pole, butt piece and first spring, support tight pole and run through in proper order first fixed orifices and the fixed slot, the butt piece is fixed in support on the tight pole, the one end rigid coupling of first spring in the fixed slot, the other end of first spring is fixed in the butt piece.

5. The backdrop stand for movie and television shooting as claimed in claim 4, characterized in that: the background cloth comprises a scroll and a background cloth body, one end of the background cloth body is wound on the scroll, a first fixing portion is arranged at the other end of the background cloth body and extends into the fixing groove, a second fixing hole is formed in the first fixing portion and is aligned with the first fixing hole, and the abutting rod can penetrate through the second fixing hole to fix the first fixing portion in the fixing groove.

6. The backdrop stand for movie and television shooting as claimed in claim 5, characterized in that: first mounting includes connecting block and joint piece, the one end of connecting block is connected first vertical section, the other end of connecting block is connected the joint piece, be equipped with the draw-in groove in the joint piece, the spool can be gone into in the draw-in groove.

7. The backdrop stand for movie and television shooting as claimed in claim 6, characterized in that: the upper end be equipped with the locating part on the first mounting, the locating part includes pull rod, latch segment and second spring, the upper end be equipped with the third through-hole on the joint piece, the third through-hole intercommunication the draw-in groove, the one end of pull rod is passed the third through-hole and is stretched into in the draw-in groove, the latch segment set up in the draw-in groove and be fixed in on the pull rod, the one end of second spring is connected the latch segment, the other end of second spring is connected the inner wall of draw-in groove.

8. The backdrop stand for movie and television shooting as claimed in claim 7, characterized in that: the spool includes spool body and two rotation portions, two the rotation portion is fixed in respectively the both sides of spool body, each rotation portion card is gone into respectively in the draw-in groove, wherein the upper end be equipped with the carousel in the rotation portion, the carousel is fixed in the upper end of rotation portion, be equipped with a plurality of spacing holes on the carousel, it is a plurality of spacing hole be the circumference distribute in on the carousel, the latch segment can block in spacing downthehole.

9. The backdrop stand for movie and television shooting as claimed in claim 8, characterized in that: the lower end of the first transverse section is provided with an electromagnet, a magnet is arranged in the pull rod, and the electromagnet is aligned with the magnet.

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