CN210428049U

CN210428049U - Background cloth holder

Info

Publication number: CN210428049U
Application number: CN201921760626.7U
Authority: CN
Inventors: 鲍建平
Original assignee: Shaoxing Sihe Film Culture Co ltd
Current assignee: Shaoxing Sihe Film Culture Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-28
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a background cloth holder relates to photographic appurtenance field, aims at solving the not telescopic problem of axle subassembly, and its technical scheme main points are including support frame and pivot, and the both ends of pivot are rotated and are connected on the support frame, and the both ends of pivot can be dismantled and be connected with a plurality of axle subassemblies, and the axle subassembly includes the connecting rod, and the both ends cover of connecting rod is equipped with the loop bar, fixedly connected with spring between connecting rod and the loop bar, and the loop bar that is located the connecting rod both ends supports through the spring and presses and be connected with a plurality of regulating. The utility model discloses a background cloth holder has the axle subassembly and can splice telescopic effect.

Description

Background cloth holder

Technical Field

The utility model relates to a photographic or appurtenance field of taking a picture, more specifically say, it relates to a scalable background cloth holder that can splice.

Background

The background cloth is a woven fabric which can be used as a background, a good shooting atmosphere can be created for a photographer, the workload of later-stage picture repair can be reduced by the background cloth frame which meets the requirements, and the problem that the length of the conventional background cloth frame is not adjustable exists.

To solve the above problems, the chinese patent with publication number CN204679747U discloses a portable certificate photo background cloth device, which comprises a horizontal and long annular storage case, wherein a plurality of rotatable rotating shafts are arranged in an inner cavity of the storage case, two ends of each rotating shaft respectively penetrate through sealing covers at the left end and the right end of the storage case and are exposed outside, background cloth with a color is wound on each rotating shaft, the bottom end of the background cloth penetrates through an opening arranged at the bottom end of the storage case and is exposed outside, and a vertical support frame is connected to a shell in the middle of the rear side of the storage case. Although the scheme can effectively reduce the area of the background cloth, the problem that the rotating shaft cannot be telescopically adjusted exists.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a background cloth frame satisfies the demand of the different length of background cloth frame through setting up the telescopic axle subassembly that can splice.

The technical scheme of the utility model includes that the pivot is rotated and is connected on the support frame of both sides, can dismantle between the pivot of both sides and be connected with a plurality of axle subassemblies, and the axle subassembly includes the connecting rod, and the both ends cover of connecting rod is equipped with the loop bar, fixedly connected with spring between connecting rod and the loop bar, and the loop bar that is located the connecting rod both ends supports through the spring and presses and be connected with a plurality of regulating blocks.

Through adopting above-mentioned technical scheme, the support frame of both sides is used for supporting the pivot, the pivot is formed by a plurality of axle subassemblies concatenation, the axle subassembly includes the loop bar, connecting rod and spring, spring coupling is passed through respectively at the both ends of connecting rod in the loop bar, the loop bar of both sides supports each other when natural state down and presses the connection, can hide the connecting rod completely, when the length of needs fine setting pivot, can expose the connecting rod through tensile loop bar, and add on the connecting rod and put the regulating block, the regulating block is used for supporting and presses between the loop bar of both sides, can realize increasing the length of axle subassembly when making the release loop bar.

The utility model discloses further set up to: the connecting rod runs through the regulating block, and the regulating block is cyclic annular, and the external diameter of regulating block is the same with the external diameter of loop bar, is equipped with the opening on the regulating block, and the regulating block passes through the opening and installs on the connecting rod.

Through adopting above-mentioned technical scheme, annular regulating block makes the regulating block can overlap on the outer wall of connecting rod, adds on the connecting block and puts the regulating block and can add thick relatively thinner connecting rod, improves the holistic shear stress of pivot, and the regulating block has the opening and can make the regulating block go into to the connecting rod through the opening card on, conveniently adjusts the flexible volume of pivot, and the external diameter of regulating block can be so that the holistic external diameter of pivot is level and smooth with the loop bar external diameter the same, makes things convenient for hanging of background cloth.

The utility model discloses further set up to: be equipped with buckle structure on the regulating block, adjacent regulating block passes through buckle structure joint, buckle structure include the lug and with the recess of lug joint, the lug is located one side of regulating block, the recess is located the opposite side of regulating block.

Through adopting above-mentioned technical scheme, set up buckle structure at the regulating block and can increase the wholeness of connecting between a plurality of regulating blocks, prevent that the regulating block from breaking away from the connecting rod.

The utility model discloses further set up to: the side walls of the loop bars at the two ends are respectively provided with a convex block and a groove which are the same as the buckle structures.

Through adopting above-mentioned technical scheme, set up lug and recess the same with the regulating block in loop bar both sides, can be under the condition of not adding the regulating block, the loop bar of both sides can increase both sides loop bar connectivity through the cooperation of lug and recess to after adding the regulating block, the lug and the recess of outermost both sides can joint recess and lug on the loop bar respectively on a plurality of regulating blocks, thereby increase the connectivity between a plurality of regulating blocks and the loop bar.

The utility model discloses further set up to: the one end that the connecting rod was kept away from to the loop bar has seted up the hole groove, and the hole inslot joint has the connecting block, and adjacent axle subassembly passes through the connecting block to be connected.

Through adopting above-mentioned technical scheme, set up the hole groove in the both sides of axle subassembly and be used for the installation connecting block, two adjacent axle subassemblies pass through the connecting block to be connected, set up the hole groove and can reduce the holistic weight of pivot on the one hand, on the other hand can be used for the joint connecting block.

The utility model discloses further set up to: the upper end fixedly connected with supporting seat of support frame, the shape of supporting seat is the type of falling U.

Through adopting above-mentioned technical scheme, the supporting seat that sets up in the top of support frame can supply the pivot to rotate, and the installation embedding of the convenient pivot of the supporting seat of the type of falling U, and is difficult for breaking away from out the supporting seat under the effect of pivot self gravity.

The utility model discloses further set up to: the both sides of pivot are connected with detachable locating part.

Through adopting above-mentioned technical scheme, set up the locating part in pivot both sides, can restrict the holistic axial motion of pivot, the tip of pivot breaks away from out of supporting seat when preventing the pivot rotation.

The utility model discloses further set up to: the lower end of the supporting frame is provided with a plurality of universal wheels.

Through adopting above-mentioned technical scheme, the support frame includes the base of perpendicular installation, sets up a plurality of universal wheels on the base, and is more convenient when can making background cloth rack moving as a whole.

To sum up, the utility model discloses following beneficial effect has:

1. the two sides of the shaft assembly are provided with the hole grooves and the connecting blocks for being installed in the hole grooves, so that the splicing and disassembling effects of the rotating shaft are realized;

2. the connecting rod is arranged in the shaft assembly, and the sleeve rods on the two sides can stretch through the springs;

3. increase the regulating block in the loop bar when the axle subassembly is elongated to set up the same buckle structure on regulating block and loop bar, reach the effect that increases the connectivity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle shaft assembly of the present invention;

fig. 3 is a schematic structural view of the middle shaft assembly of the present invention;

FIG. 4 is a schematic view of the structure of the connecting rod of the present invention;

fig. 5 is a third schematic structural view of the middle shaft assembly of the present invention, which is a schematic structural view of the shaft assembly in a stretching state after an adjusting block is added to the shaft assembly;

FIG. 6 is a schematic structural view of the adjusting block of the present invention;

fig. 7 is the structural schematic diagram of the middle shaft assembly of the present invention, which is the structural schematic diagram of the shaft assembly in the stretching state after the adjusting block is added.

In the figure: 1. a support frame; 2. a supporting seat; 3. a shaft assembly; 4. a loop bar; 5. a rotating shaft; 6. a limiting member; 7. a base; 8. a universal wheel; 9. connecting blocks; 10. a bottom block; 11. a connecting rod; 12. a spring; 13. a hole groove; 14. an adjusting block; 15. a bump; 16. and (4) a groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a background cloth holder, as shown in fig. 1 to 7, comprises support frame 1 and pivot 5, and support frame 1 is located the both sides of pivot 5 and is the symmetric distribution, and the both ends of pivot 5 are rotated on the supporting seat 2 of the type of falling U, and the supporting seat 2 of the type of falling U can prevent breaking away from of pivot 5, and the below and the base 7 welding of supporting seat 2 pass through four universal wheels 8 of screw connection under the base 7.

The rotating shaft 5 is formed by splicing a plurality of shaft assemblies 3, the shaft assemblies 3 can be increased or decreased according to actual conditions, hole grooves 13 are formed in two sides of each shaft assembly 3, the hole grooves 13 are used for reducing the overall weight of the rotating shaft 5 on one hand and installing connecting blocks 9 on the other hand so as to connect adjacent shaft assemblies 3, the length of the connecting blocks 9 on two sides of the rotating shaft 5 is longer than that of the connecting blocks 9 used for connecting the shaft assemblies 3, and the connecting blocks 9 positioned at both sides of the rotating shaft 5 are provided with external threads which are used for being in threaded connection with the limiting piece 6, the limiting piece 6 is cylindrical, and the outer lane of locating part 6 is bigger than the supporting seat 2 of U type, and locating part 6 prevents 5 axial motion of pivot and breaks away from supporting seat 2, and connecting block 9 of axle subassembly 3 is used for realizing 5 can splice detachable effect of pivot, and connecting block 9 and locating part 6 of 5 both sides of pivot are used for realizing 5 spacing of pivot.

Shaft subassembly 3 has two loop bars 4 to constitute, the connecting rod 11 that has coaxial but the diameter is less than loop bar 4 has been cup jointed in two loop bars 4, welding spring 12 between connecting rod 11 and the loop bar 4, the both ends of spring 12 weld respectively to connecting rod 11 and loop bar 4 in on the bottom block 10, connecting rod 11 realizes the elastic slip in the loop bar 4 at both ends through spring 12, when shaft subassembly 3 need not be tensile, loop bar 4 of shaft subassembly 3 both sides supports each other because spring 12's pressure and presses, connecting rod 11 is located shaft subassembly 3 inboard this moment, connecting rod 11 plays the connectivity and the intensity that strengthen shaft subassembly 3.

When the shaft assembly 3 is stretched, a plurality of adjusting blocks 14 are detachably connected in the loop bars 4 on two sides, the annular adjusting blocks 14 have certain thickness and can increase the stretching length of the shaft assembly 3 and stretch and fix the shaft assembly 3, the adjusting blocks 14 are pressed between the loop bars 4 at two ends under the elastic compression of the springs 12, in order to improve the convenience in installation of the adjusting blocks 14 and the integrity of the shaft assembly 3, the adjusting blocks 14 are provided with openings, the size of the openings is larger than the diameter of the connecting rods 11, so that the adjusting blocks 14 can be inserted into the connecting rods 11 from the outer side through the openings, meanwhile, the outer diameter of the adjusting blocks 14 is the same as the outer diameter of the loop bars 4, the flatness of the outer side of the whole shaft assembly 3 can be further ensured, the same buckle structures are arranged on the side walls of the adjusting blocks 14 and the loop bars 4, the buckle structures are of convex blocks 15 and grooves 16, the convex blocks 15 are, the connecting performance of the adjusting blocks 14 and the loop bars 4 on the two sides are enhanced, and the length of the shaft assembly 3 is fixed, so that the connecting performance can be realized by adding and detaching the adjusting blocks 14 when the length of the rotating shaft 5 needs to be increased or decreased by a small amount.

In the specific implementation, firstly, four universal wheels 8 are installed on a base 7 of a support frame 1 through screws, then the width of a background cloth is estimated to determine the number of required shaft assemblies 3, then a connecting block 9 is installed in a hole groove 13 of each shaft assembly 3 to connect adjacent shaft assemblies 3 to form a rotating shaft 5, then the whole length of the rotating shaft 5 is finely adjusted by stretching sleeve rods 4 on two sides of each shaft assembly 3, so that the sleeve rods 4 slide off and expose connecting rods 11 under the stretching of springs 12, then a certain number of adjusting blocks 14 are additionally arranged in a stretching state, the adjusting blocks 14 are clamped on the connecting rods 11 through openings of the adjusting blocks 14, when in addition, the protrusions 15 and the grooves 16 on the adjusting blocks 14 are respectively clamped on the grooves 16 and the protrusions 15 on the side contact surfaces, and secondly, the connecting blocks 9 which are provided with threads and have longer lengths are additionally arranged on two sides of the rotating shaft 5 with the adjusted width, and finally, the rotating shaft 5 is placed on the supporting seat 2 and is connected to the connecting blocks 9 at the two ends of the rotating shaft 5 through limiting threads, and finally the adjusting and mounting of the background cloth rack are completed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a background cloth holder, includes support frame (1) and pivot (5), pivot (5) rotate to be connected on support frame (1) of both sides, its characterized in that: both sides can dismantle between pivot (5) and be connected with a plurality of axle subassemblies (3), axle subassembly (3) are including connecting rod (11), the both ends cover of connecting rod (11) is equipped with loop bar (4), fixedly connected with spring (12) between connecting rod (11) and loop bar (4), be located connecting rod (11) both ends loop bar (4) are supported through spring (12) and are pressed and be connected with a plurality of regulating blocks (14).

2. A background cloth holder according to claim 1, wherein: connecting rod (11) run through regulating block (14), regulating block (14) are cyclic annular, the external diameter of regulating block (14) is the same with the external diameter of loop bar (4), be equipped with the opening on regulating block (14), on connecting rod (11) was installed through the opening to regulating block (14).

3. A background cloth holder according to claim 2, wherein: be equipped with buckle structure on regulating block (14), it is adjacent regulating block (14) are through buckle structure joint, buckle structure include lug (15) and with recess (16) of lug (15) joint, lug (15) are located one side of regulating block (14), recess (16) are located the opposite side of regulating block (14).

4. A background cloth holder according to claim 3, wherein: the side walls of the loop bars (4) at the two ends are respectively provided with a convex block (15) and a groove (16) which have the same structure as the buckle structure.

5. A background cloth holder according to claim 1, wherein: hole groove (13) have been seted up to the one end that connecting rod (11) were kept away from in loop bar (4), joint has connecting block (9) in hole groove (13), and is adjacent axle subassembly (3) are connected through connecting block (9).

6. A background cloth holder according to claim 1, wherein: the upper end fixedly connected with supporting seat (2) of support frame (1), the shape of supporting seat (2) is the type of falling U.

7. A background cloth holder according to claim 6, wherein: the two sides of the rotating shaft (5) are connected with detachable limiting parts (6).

8. A background cloth holder according to claim 1, wherein: the lower end of the support frame (1) is provided with a plurality of universal wheels (8).