阅读说明：本技术 一种能够调节角度的装配式遮光挡板 (Assembled shading baffle capable of adjusting angle ) 是由 王举光 陶金平 邱志强 柴威 李永峰 隋阳 王由胜 于 2020-11-18 设计创作，主要内容包括：本发明公开了一种能够调节角度的装配式遮光挡板,属于遮光挡板技术领域,包括底座、空心筒和控制机构,所述底座的上表面固定连接有空心筒,所述底座的上表面卡接有第一轴承,第一轴承内套设有第一转轴,第一转轴的另一端固定连接有螺纹柱,螺纹柱的外表面螺纹连接有螺纹帽,螺纹帽的上表面固定连接有空心转筒。本发明中,通过设置固定机构,使得工人们能够通过将挡板本体以两个限位块对准两个第二凹槽处向下按动,从而使得两个第二卡块受力相互靠近,这样工人们就能够将挡板本体从固定板上取出,从而对其进行检测和更换的工作,操作简单,减少了工人们的工作量,增大了工人们的工作效率。(The invention discloses an assembled shading baffle capable of adjusting an angle, which belongs to the technical field of shading baffles and comprises a base, a hollow cylinder and a control mechanism, wherein the upper surface of the base is fixedly connected with the hollow cylinder, the upper surface of the base is connected with a first bearing in a clamping manner, a first rotating shaft is sleeved in the first bearing, the other end of the first rotating shaft is fixedly connected with a threaded column, the outer surface of the threaded column is connected with a threaded cap in a threaded manner, and the upper surface of the threaded cap is fixedly connected with the hollow cylinder. According to the baffle plate, the fixing mechanism is arranged, workers can aim the baffle plate body at the two second grooves through the two limiting blocks and press the baffle plate body downwards, so that the two second clamping blocks are stressed to be close to each other, the workers can take the baffle plate body out of the fixing plate, and the baffle plate can be detected and replaced.)

1. An assembled shading baffle capable of adjusting angles comprises a base (1), a hollow cylinder (2) and a control mechanism (3), and is characterized in that the upper surface of the base (1) is fixedly connected with the hollow cylinder (2), the upper surface of the base (1) is connected with a first bearing (8) in a clamping manner, a first rotating shaft is sleeved in the first bearing (8), the other end of the first rotating shaft is fixedly connected with a threaded column (10), the outer surface of the threaded column (10) is connected with a threaded cap (11) in a threaded manner, the upper surface of the threaded cap (11) is fixedly connected with a hollow rotary cylinder (12), four control grooves are uniformly formed in the outer surface of the hollow rotary cylinder (12), the four control grooves are respectively formed in the front side surface, the rear side surface, the left side surface and the right side surface of the hollow rotary cylinder (12), the hollow rotary cylinder (12) is sleeved on the outer surface of the threaded column (10), the control, the upper surface fixedly connected with rotor plate of hollow rotary drum (12), the upper surface fixedly connected with fixed plate (7) of rotor plate, two first recesses have been seted up to the upper surface of fixed plate (7), all are provided with the stopper in two first recesses, and the equal fixed connection of the upper surface of two stoppers is at the lower surface of baffle body (6), and the second recess has all been seted up to the face of keeping away from mutually of two stoppers, two first cavities have been seted up to the inside of fixed plate (7), and two first cavities are located one side that two stoppers kept away from the face mutually respectively, be provided with fixed establishment (4) in second recess and the first cavity.

2. The assembled shading baffle capable of adjusting the angle as claimed in claim 1, wherein the control mechanism (3) comprises a shaft sleeve (31) which is connected to the right side of the hollow cylinder (2) in a clamping manner, a second rotating shaft (32) is sleeved in the shaft sleeve (31), a second bevel gear (33) is connected to the outer surface of the second rotating shaft (32) in a clamping manner, the second bevel gear (33) is meshed with the first bevel gear (9), the other end of the second rotating shaft (32) penetrates through the shaft sleeve (31) and is fixedly connected with a telescopic rod (34), a twisting handle (36) is fixedly connected to the other end of the telescopic rod (34), and a fixing sleeve (35) is sleeved on the outer surface of the telescopic rod (34).

3. The adjustable angle fabricated shading baffle of claim 1, a fixed block (17) is fixedly connected to the right side surface of the hollow cylinder (2), a fixed hole is formed in the upper surface of the fixed block (17), first sliding grooves are formed in the front side surface and the rear side surface of the inner wall of the fixed hole, first sliding blocks (16) are slidably connected in the first sliding grooves, the two first sliding blocks (16) are respectively and fixedly connected to the front side surface and the rear side surface of the fixed strip (15), the left side surface of the fixing strip (15) is fixedly connected with a first clamping block (14), the right side surface of the hollow cylinder (2) is provided with a limiting hole, the left side face of the first clamping block (14) penetrates through the limiting hole and is clamped into the control groove, the lower surface of the fixing strip (15) is fixedly connected with a connecting strip, and the other end of the connecting strip is fixedly connected to the upper surface of the fixing sleeve (35).

4. The assembled shading baffle plate capable of adjusting the angle according to claim 1, wherein the fixing mechanism (4) comprises fourth sliding grooves formed in the upper side surface and the lower side surface of the inner wall of the second groove, fourth sliding blocks (43) are slidably connected in the fourth sliding grooves, the two fourth sliding blocks (43) are respectively and fixedly connected to the upper side surface and the lower side surface of the second clamping block (42), the opposite surfaces of the two second clamping blocks (42) are respectively and fixedly connected with second springs (41), the other ends of the two second springs (41) are respectively and fixedly connected to the side surfaces, close to the inner walls of the two second grooves, of the far surfaces of the inner wall of the first groove are respectively provided with a second clamping groove (44), and the second clamping blocks (42) are arranged in the second clamping grooves (44).

5. The adjustable angle fabricated shading baffle of claim 1, the upper side surface and the lower side surface of the inner wall of the first cavity are both provided with fifth sliding grooves, fifth sliding blocks (46) are connected in the fifth sliding grooves in a sliding manner, the two fifth sliding blocks (46) are respectively and fixedly connected with the upper side surface and the lower side surface of the limiting sleeve, the inner part of the limiting sleeve is clamped with slide bars (47), one ends of the two slide bars (47) close to the limiting block respectively penetrate through one side surface of the inner wall of the first cavity close to the limiting block and are attached to the far surfaces of the two second clamping blocks (42), the other end of the sliding rod (47) penetrates through one side surface of the inner wall of the first cavity far away from the limiting block and is fixedly connected with a pressing block (48), the surface cover of slide bar (47) is equipped with third spring (45), and the both ends of third spring (45) are fixed connection respectively and are close to the side of stopper and the side that the stop collar is close to the stopper at first cavity inner wall.

6. The assembled shading baffle plate capable of adjusting the angle according to claim 1, wherein a second sliding groove and a third sliding groove are formed in the back surface of the baffle plate body (6), a second sliding block (18) and a third sliding block (19) are respectively and slidably connected to the inside of the second sliding groove and the inside of the third sliding groove, a first expansion plate (20) and a second expansion plate (21) are respectively and fixedly connected to the back surfaces of the second sliding block (18) and the third sliding block (19), a first handle (28) is fixedly connected to the right side surface of the second expansion plate (21), a through hole is formed in the upper surface of the third sliding block (19), an expansion mechanism (5) is arranged in the through hole, a first spring (24) is fixedly connected to the left side surface of the second sliding block (18), and the other end of the first spring (24) is fixedly connected to the left side surface of the inner wall of the second sliding groove.

7. The assembled shading baffle plate capable of adjusting the angle according to claim 1, wherein two second cavities are formed in the baffle plate body (6), the two second cavities are respectively communicated with the left side surfaces of the inner walls of the second sliding chute and the third sliding chute, a first guide wheel (22) and a fourth guide wheel (27) are respectively arranged in the two second cavities, a third cavity communicated with the two second cavities is formed in the baffle plate body (6), the second guide wheel (23) and the third guide wheel (26) are respectively arranged on the left side surface and the right side surface of the inner wall of the third cavity, a lead (25) is fixedly connected to the left side surface of the second sliding block (18), the other end of the lead (25) penetrates through the two second cavities and the third cavity and is fixedly connected to the left side surface of the third sliding block (19), and the lead (25) is respectively arranged on the first guide wheel (22), The outer surfaces of the second guide wheel (23), the third guide wheel (26) and the fourth guide wheel (27).

8. The assembled shading baffle capable of adjusting the angle of claim 6, wherein the expanding mechanism (5) comprises sixth sliding grooves formed in the left and right sides of the inner wall of the through hole, sixth sliding blocks (52) are slidably connected in the sixth sliding grooves, the two sixth sliding blocks (52) are respectively and fixedly connected to the left and right sides of a third clamping block (51), a pulling rope is fixedly connected to the upper surface of the third clamping block (51), the other end of the pulling rope penetrates through the lower surface of the second expanding plate (21) and is fixedly connected with a second handle (54), a third groove is formed in the upper surface of the second expanding plate (21), and the second handle (54) is located in the third groove.

9. The assembled shading baffle plate capable of adjusting the angle of claim 8, wherein a fourth spring (55) is sleeved on the outer surface of the pulling rope, two ends of the fourth spring (55) are respectively and fixedly connected to the upper surface of the third fixture block (51) and the lower surface of the second expansion plate (21), and a plurality of third clamping grooves (53) are uniformly formed in the lower surface of the inner wall of the third sliding groove.

10. The assembled shading baffle capable of adjusting the angle as claimed in claim 1, wherein the inner wall of the hollow cylinder (2) is uniformly provided with soft pads (13) at the periphery, and the soft pads (13) are attached to the outer surface of the rotating plate.

Technical Field

The invention belongs to the technical field of shading baffles, and particularly relates to an assembled shading baffle capable of adjusting an angle.

Background

The shading baffle is a plate used for shading light as the name suggests, can effectively shade the light and is convenient for the daily life of people.

Before the assembled shading baffle in the prior art is used, workers need to use tools to fix the assembled baffle on a fixing device, so that the situation that the shading baffle is inclined and cannot achieve the shading effect is avoided, however, the installation causes great inconvenience, time and labor waste and increases the workload of the workers when the workers need to detect and replace the shading baffle, and meanwhile, when the assembled shading baffle in the prior art is used, the shading surface of the shading baffle cannot accurately align with a light source due to the position change of light, so that the shading effect of the shading baffle is poor, the workers need to manually adjust the position of the fixing device and the shading baffle, the problem of adjusting the angle of the shading baffle is solved, the working strength of the workers is increased, the assembled shading baffle is not convenient for people to use, and after the assembled shading baffle in the prior art, workers cannot expand the shading area of the shading baffle, so that when the light source is enlarged, the shading baffle cannot shield light of the workers, and the workers need to disassemble the shading baffle again to achieve the effect of expanding the shading area.

Disclosure of Invention

The invention aims to: the assembled shading baffle capable of adjusting the angle is provided for solving the problems that the angle of the baffle cannot be adjusted, and the area cannot be expanded after the assembly is finished, and the assembly and the disassembly are very complicated.

In order to achieve the purpose, the invention adopts the following technical scheme: the baffle plate comprises a base, a hollow cylinder and a control mechanism, wherein the upper surface of the base is fixedly connected with the hollow cylinder, the upper surface of the base is connected with a first bearing in a clamping manner, a first rotating shaft is sleeved in the first bearing, the other end of the first rotating shaft is fixedly connected with a threaded column, the outer surface of the threaded column is connected with a threaded cap in a threaded manner, the upper surface of the threaded cap is fixedly connected with the hollow cylinder, the outer surface of the hollow cylinder is uniformly provided with four control grooves which are respectively arranged on the front side surface, the rear side surface, the left side surface and the right side surface of the hollow cylinder, the hollow cylinder is sleeved on the outer surface of the threaded column, the hollow cylinder is internally provided with the control mechanism, the upper surface of the hollow cylinder is fixedly connected with a rotating plate, the upper surface of the rotating plate is fixedly connected with a fixed plate, the upper surface of the fixed, the second grooves are formed in the far surfaces of the two limiting blocks, the two first cavities are formed in the fixing plate and are located on one sides of the far surfaces of the two limiting blocks respectively, and fixing mechanisms are arranged in the second grooves and the first cavities.

As a further description of the above technical solution:

control mechanism includes the joint at the axle sleeve of hollow section of thick bamboo right flank, and the axle sleeve endotheca is equipped with the second pivot, and the surface joint of second pivot has second bevel gear, second bevel gear and the meshing of first bevel gear, the other end of second pivot passes axle sleeve and fixedly connected with telescopic link, and the handle is turned round to the other end fixedly connected with of telescopic link, the surface cover of telescopic link is equipped with fixed cover.

As a further description of the above technical solution:

the right flank fixedly connected with fixed block of hollow section of thick bamboo, the fixed orifices has been seted up to the upper surface of fixed block, and first spout has all been seted up to the front and back both sides face of fixed orifices inner wall, and sliding connection has first slider in the first spout, and two first sliders are fixed connection respectively and are being fixed at the front and back both sides face of fixed strip, the first fixture block of left flank fixedly connected with of fixed strip, spacing hole has been seted up to the right flank of hollow section of thick bamboo, the left surface of first fixture block passes spacing hole and card and goes into the control flume, the lower fixed surface of fixed strip is connected with the connecting strip, and the other end fixed connection of connecting strip is.

As a further description of the above technical solution:

the fixing mechanism comprises fourth sliding grooves formed in the upper side face and the lower side face of the inner wall of the second groove, a fourth sliding block is connected to the fourth sliding grooves in a sliding mode, the two fourth sliding blocks are fixedly connected to the upper side face and the lower side face of the second clamping block respectively, second springs are fixedly connected to opposite faces of the two second clamping blocks, the other ends of the two second springs are fixedly connected to a side face, close to the inner wall of the second groove, of the first groove, second clamping grooves are formed in the far face of the inner wall of the first groove, and the second clamping blocks are arranged in the second clamping grooves.

As a further description of the above technical solution:

fifth spout has all been seted up to the upper and lower both sides face of first cavity inner wall, and sliding connection has a fifth slider in the fifth spout, and two fifth sliders are fixed connection respectively at the upper and lower both sides face of stop collar, the inside joint of stop collar has the slide bar, and the one end that two slide bars are close to the stopper runs through a side that first cavity inner wall is close to the stopper respectively and laminates the face of keeping away from mutually at two second fixture blocks, the other end of slide bar runs through a side and the fixedly connected with briquetting that the stopper was kept away from to first cavity inner wall, the surface cover of slide bar is equipped with the third spring, and the both ends of third spring are fixed connection respectively and are close to a side of stopper and a side that the stop collar is close.

As a further description of the above technical solution:

the back of baffle body has seted up second spout and third spout, the inside difference sliding connection of second spout and third spout has second slider and third slider, and the back of second slider and third slider is the first expansion board of fixedly connected with and second expansion board respectively, the first handle of right side fixedly connected with of second expansion board, the through-hole has been seted up to the upper surface of third slider, is provided with expansion mechanism in the through-hole, the first spring of left side fixedly connected with of second slider, the other end fixed connection of first spring is at the left surface of second spout inner wall.

As a further description of the above technical solution:

two second cavities are formed in the baffle body, the two second cavities are communicated with the left side face of the inner wall of the second sliding groove and the left side face of the inner wall of the third sliding groove respectively, a first guide wheel and a fourth guide wheel are arranged in the two second cavities respectively, the third cavity communicated with the two second cavities is formed in the baffle body, the left side face and the right side face of the inner wall of the third cavity are provided with the second guide wheel and the third guide wheel respectively, a wire is fixedly connected to the left side face of the second sliding block, the other end of the wire penetrates through the two second cavities and the third cavity and is fixedly connected to the left side face of the third sliding block, and the wire is arranged on the outer surfaces of the first guide wheel, the second guide wheel, the third guide wheel and the fourth guide wheel respectively.

As a further description of the above technical solution:

the expansion mechanism comprises sixth sliding grooves formed in the left side surface and the right side surface of the inner wall of the through hole, sixth sliding blocks are connected in the sixth sliding grooves in a sliding mode, the two sixth sliding blocks are fixedly connected to the left side surface and the right side surface of a third clamping block respectively, a pull rope is fixedly connected to the upper surface of the third clamping block, the other end of the pull rope penetrates through the lower surface of the second expansion plate and is fixedly connected with a second handle, a third groove is formed in the upper surface of the second expansion plate, and the second handle is located in the third groove.

As a further description of the above technical solution:

the outer surface cover of stay cord is equipped with the fourth spring, and the both ends of fourth spring fixed connection respectively are at the upper surface of third fixture block and the lower surface of second expansion plate, a plurality of third draw-in grooves have evenly been seted up to the lower surface of third spout inner wall.

As a further description of the above technical solution:

the periphery of the inner wall of the hollow cylinder is uniformly provided with soft pads, and the soft pads are attached to the outer surface of the rotating plate.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, by arranging the fixing mechanism, workers can aim the baffle body at the two second grooves by the two limiting blocks to press downwards, so that the two second clamping blocks are stressed to be close to each other, when the two second clamping blocks enter into one end distance, the second clamping blocks are not limited by the inner walls of the second grooves any more, so that the two second clamping blocks are subjected to resilience of the second springs, the two second clamping blocks are far away from each other and clamped into the two second clamping grooves, and thus the effect of quick installation is achieved, and when the baffle is required to be detected and replaced by the workers, the workers can press the two pressing blocks to drive the two sliding rods to be close to each other to extrude the two second clamping blocks, so that the two second clamping blocks can be close to each other, the second clamping blocks are not limited in the second clamping grooves any more, and thus the workers can take the baffle body out of the fixing plate, therefore, the detection and replacement work is simple to operate, the workload of workers and people is reduced, and the working efficiency of workers and people is increased.

2. In the invention, through the mutual matching of the control mechanism, the first bevel gear, the threaded column, the threaded cap, the hollow rotary drum, the first clamping block and the fixing strip, workers can drive the second rotating shaft and the second bevel gear to rotate through rotating the knob so as to drive the first bevel gear and the threaded column to rotate and further drive the threaded cap and the hollow rotary drum to start rotating, so that workers can control the angle of the light shading surface of the baffle body through controlling the knob, meanwhile, workers can drive the fixing sleeve and the fixing strip to move leftwards through pushing the knob to the hollow drum so as to drive the first clamping block to move towards the limiting hole, further the first clamping block can be limited in the control groove, so that when the workers rotate the knob, the threaded cap and the hollow rotary drum can only move upwards and downwards under the limitation of the first clamping block, and further the effect of adjusting the light shading height of the baffle body is achieved, the problem of thereby need workman manual reach regulation shading baffle angle and height with fixing device and baffle body adjusting position is solved, reduced worker people's working strength, be favorable to worker people's work.

3. In the invention, through the mutual matching of the expansion mechanism, the wire, the second slider, the third slider, the first guide wheel, the second guide wheel, the third guide wheel and the fourth guide wheel, when the shading area needs to be adjusted, workers can pull the second handle to move backwards and then pull the first handle to move rightwards, when the third slider is driven to move rightwards, the wire can be driven to move, so that the second slider is driven to move leftwards to extrude the first spring, further the first expansion plate and the second expansion plate can be mutually far away, when the position is proper, the workers can release the second handle, the third clamping block is driven by the resilience force of the fourth spring to move inwards the third clamping groove, and further the third clamping groove is limited, so that the first expansion plate and the second expansion plate can stably shade the light, and the workers can expand the shading area by controlling the first handle and the second handle, meanwhile, when the shading area needs to be reduced, workers can drive the third clamping block to move out of the third clamping groove by pulling the second handle, so that the second sliding block moves rightwards under the resilience force of the first spring, thereby driving the lead to move, so that the third slide block and the second expansion plate move leftwards, and the first expansion plate and the second expansion plate can be recovered, thereby achieving the effect of reducing the shading area, leading workers to expand the shading baffle or reduce the shading area after the baffle body is assembled, avoiding the situation that the shading baffle can not shade the light when the light source is enlarged, the problem of thereby it reaches the work that enlarges the shading area to need workman to dismantle its shading baffle again and assemble again is solved, reduced workman's working strength, made things convenient for workman's operation.

Drawings

Fig. 1 is a schematic front sectional view of an assembled light-shielding baffle with adjustable angle according to the present invention;

FIG. 2 is a schematic top view of a cross-sectional structure of an assembled light-shielding baffle with adjustable angle according to the present invention;

FIG. 3 is an enlarged schematic view of the assembled light-shielding baffle with adjustable angle at the position C;

FIG. 4 is an enlarged schematic view of the position A of the assembled light-shielding baffle with adjustable angle according to the present invention;

FIG. 5 is an enlarged schematic view of the assembled light-shielding baffle with adjustable angle at B according to the present invention;

fig. 6 is a schematic perspective view of a screw cap and a hollow drum of an assembled light-shielding baffle with adjustable angle according to the present invention.

Illustration of the drawings: 1. a base; 2. a hollow cylinder; 3. a control mechanism; 31. a shaft sleeve; 32. a second rotating shaft; 33. a second bevel gear; 34. a telescopic rod; 35. fixing a sleeve; 36. twisting a handle; 4. a fixing mechanism; 41. a second spring; 42. a second fixture block; 43. a fourth slider; 44. a second card slot; 45. a third spring; 46. a fifth slider; 47. a slide bar; 48. briquetting; 5. an expansion mechanism; 51. a third fixture block; 52. a sixth slider; 53. a third card slot; 54. a second handle; 55. a fourth spring; 6. a baffle body; 7. a fixing plate; 8. a first bearing; 9. a first bevel gear; 10. a threaded post; 11. a threaded cap; 12. a hollow drum; 13. a soft cushion; 14. a first clamping block; 15. a fixing strip; 16. a first slider; 17. a fixed block; 18. a second slider; 19. a third slider; 20. a first expansion panel; 21. a second expansion panel; 22. a first guide wheel; 23. a second guide wheel; 24. a first spring; 25. a wire; 26. a third guide wheel; 27. a fourth guide wheel; 28. a first handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an assembled shading baffle capable of adjusting angles comprises a base 1, a hollow cylinder 2 and a control mechanism 3, wherein the upper surface of the base 1 is fixedly connected with the hollow cylinder 2, the upper surface of the base 1 is connected with a first bearing 8 in a clamping manner, a first rotating shaft is sleeved in the first bearing 8, the other end of the first rotating shaft is fixedly connected with a threaded column 10, the outer surface of the threaded column 10 is connected with a threaded cap 11 in a threaded manner, the upper surface of the threaded cap 11 is fixedly connected with a hollow rotating cylinder 12, four control grooves are uniformly formed in the outer surface of the hollow rotating cylinder 12 and are respectively arranged on the front side surface, the rear side surface, the left side surface and the right side surface of the hollow rotating cylinder 12, the hollow rotating cylinder 12 is sleeved on the outer surface of the threaded column 10, the control mechanism 3 is arranged in the hollow cylinder 2, a rotating plate is fixedly connected with the upper, two first grooves are formed in the upper surface of the fixing plate 7, limiting blocks are arranged in the two first grooves, the upper surfaces of the two limiting blocks are fixedly connected to the lower surface of the baffle body 6, second grooves are formed in the far surfaces of the two limiting blocks, two first cavities are formed in the fixing plate 7 and are located on one sides of the far surfaces of the two limiting blocks respectively, and fixing mechanisms 4 are arranged in the second grooves and the first cavities;

the control mechanism 3 comprises a shaft sleeve 31 clamped on the right side surface of the hollow cylinder 2, a second rotating shaft 32 is sleeved in the shaft sleeve 31, a second bevel gear 33 is clamped on the outer surface of the second rotating shaft 32, the second bevel gear 33 is meshed with the first bevel gear 9, the other end of the second rotating shaft 32 penetrates through the shaft sleeve 31 and is fixedly connected with an expansion rod 34, workers can drive the expansion rod 34 to contract by pushing a knob 36 through arranging the expansion rod 34, so that the fixing sleeve 35 is driven to move, the connecting strip and the fixing strip 15 can be driven to move, the other end of the expansion rod 34 is fixedly connected with the knob 36, and the fixing sleeve 35 is sleeved on the outer surface of the expansion rod 34;

the right side surface of the hollow cylinder 2 is fixedly connected with a fixed block 17, the upper surface of the fixed block 17 is provided with a fixed hole, the front side surface and the rear side surface of the inner wall of the fixed hole are respectively provided with a first sliding chute, the first sliding chute is connected with a first sliding block 16 in a sliding manner, the fixed strip 15 can stably move in the fixed hole by arranging the first sliding block 16, the situation of dislocation is avoided, the two first sliding blocks 16 are respectively and fixedly connected with the front side surface and the rear side surface of the fixed strip 15, the left side surface of the fixed strip 15 is fixedly connected with a first clamping block 14, the right side surface of the hollow cylinder 2 is provided with a limiting hole, the left side surface of the first clamping block 14 passes through the limiting hole and is clamped in a control groove, the lower surface of the fixed strip 15 is fixedly connected with a connecting strip, and the fixed sleeve 35 can drive the connecting strip to move, the other end of the connecting strip is fixedly connected to the upper surface of the fixed sleeve 35;

the fixing mechanism 4 comprises fourth sliding grooves formed in the upper side surface and the lower side surface of the inner wall of the second groove, fourth sliding blocks 43 are connected in the fourth sliding grooves in a sliding mode, the two fourth sliding blocks 43 are fixedly connected to the upper side surface and the lower side surface of each second clamping block 42 respectively, the opposite surfaces of the two second clamping blocks 42 are fixedly connected with second springs 41, when the limiting block enters the first groove, the two second clamping blocks 42 can be subjected to resilience force of the second springs 41, so that the two second clamping blocks are far away from each other and enter the second clamping grooves 44, the baffle body 6 can be stably fixed on the fixing plate 7, the other ends of the two second springs 41 are fixedly connected to the side surfaces, close to the inner walls of the two second grooves, the far away surfaces of the inner walls of the first grooves are provided with second clamping grooves 44, and the second clamping blocks 42 are arranged in the second clamping grooves 44;

the upper side surface and the lower side surface of the inner wall of the first cavity are respectively provided with a fifth sliding chute, a fifth sliding block 46 is connected in the fifth sliding chutes in a sliding manner, the position-limiting sleeve can stably move in the first cavity by arranging the fifth sliding chutes, the dislocation is avoided, the two fifth sliding blocks 46 are respectively and fixedly connected with the upper side surface and the lower side surface of the position-limiting sleeve, a sliding rod 47 is clamped in the position-limiting sleeve, one end of each of the two sliding rods 47, which is close to the position-limiting block, penetrates through one side surface of the inner wall of the first cavity, which is close to the position-limiting block, and is attached to the far surface of the two second clamping blocks 42, the other end of each of the sliding rods 47 penetrates through one side surface of the inner wall of the first cavity, which is far away from the position-limiting block, and is fixedly connected with a pressing block 48, a, thereby being away from each other, and further driving the two pressing blocks 48 to be away from each other, wherein two ends of the third spring 45 are respectively and fixedly connected with one side surface of the inner wall of the first cavity close to the limiting block and one side surface of the limiting sleeve close to the limiting block;

the back of the baffle body 6 is provided with a second sliding chute and a third sliding chute, the insides of the second sliding chute and the third sliding chute are respectively connected with a second sliding block 18 and a third sliding block 19 in a sliding manner, the first expansion plate 20 and the second expansion plate 21 can stably move on the back of the baffle body 6 by arranging the second sliding block 18 and the third sliding block 19, the situation of dislocation is avoided, the backs of the second sliding block 18 and the third sliding block 19 are respectively fixedly connected with a first expansion plate 20 and a second expansion plate 21, the right side of the second expansion plate 21 is fixedly connected with a first handle 28, workers can drive the second expansion plate 21 to move by pulling the first handle 28 by arranging the first handle 28, the first expansion plate 20 is further driven to move, the upper surface of the third sliding block 19 is provided with a through hole, an expansion mechanism 5 is arranged in the through hole, the left side of the second sliding block 18 is fixedly connected with a first spring 24, by arranging the first spring 24, when the third latch 51 no longer restricts the third latch groove 53, the second slider 18 can receive the resilience force of the first spring 24, so as to move rightwards, and further drive the lead 25 to move, so that the second expansion plate 21 can move leftwards, and the other end of the first spring 24 is fixedly connected to the left side surface of the inner wall of the second latch groove;

the baffle body 6 is internally provided with two second cavities which are respectively communicated with the left side surfaces of the inner walls of the second chute and the third chute, a first guide wheel 22 and a fourth guide wheel 27 are respectively arranged in the two second cavities, the baffle body 6 is internally provided with a third cavity communicated with the two second cavities, the left side surface and the right side surface of the inner wall of the third cavity are respectively provided with a second guide wheel 23 and a third guide wheel 26, the left side surface of the second slider 18 is fixedly connected with a lead 25, the other end of the lead 25 passes through the two second cavities and the third cavity and is fixedly connected with the left side surface of the third slider 19, the lead 25 is respectively arranged on the outer surfaces of the first guide wheel 22, the second guide wheel 23, the third guide wheel 26 and the fourth guide wheel 27, and the first guide wheel 22, the second guide wheel 23, the third guide wheel 26 and the fourth guide wheel 27 are mutually matched, the lead 25 can stably move on the first guide wheel 22, the second guide wheel 23, the third guide wheel 26 and the fourth guide wheel 27, and the situation that the lead 25 is dislocated is avoided;

the expansion mechanism 5 comprises sixth sliding grooves formed in the left side surface and the right side surface of the inner wall of the through hole, sixth sliding blocks 52 are connected in the sixth sliding grooves in a sliding mode, the third clamping block 51 can stably move in the through hole by arranging the sixth sliding blocks 52, the situation of dislocation is avoided, the two sixth sliding blocks 52 are fixedly connected to the left side surface and the right side surface of the third clamping block 51 respectively, a pull rope is fixedly connected to the upper surface of the third clamping block 51, workers can drive the third clamping block 51 to move by pulling the pull rope by arranging the pull rope, the operation of the workers is facilitated, the other end of the pull rope penetrates through the lower surface of the second expansion plate 21 and is fixedly connected with a second handle 54, a third groove is formed in the upper surface of the second expansion plate 21, and the second handle 54 is located in the third groove;

the outer surface of the pull rope is sleeved with a fourth spring 55, and by arranging the fourth spring 55, when the second handle 54 is not pulled any more, the third clamping block 51 can receive the resilience force of the fourth spring 55, so that the third clamping block 51 is limited in the third clamping groove 53, and the situation that the first expansion plate 20 and the second expansion plate 21 move during shading is avoided, two ends of the fourth spring 55 are fixedly connected to the upper surface of the third clamping block 51 and the lower surface of the second expansion plate 21 respectively, the lower surface of the inner wall of the third sliding groove is uniformly provided with a plurality of third clamping grooves 53, and by arranging the plurality of third clamping grooves 53, workers can adjust different positions of the second expansion plate 21 through the plurality of third clamping grooves 53, so that different shading effects are achieved;

the even cushion 13 that is provided with all around of hollow section of thick bamboo 2 inner wall, cushion 13 laminating is at the surface of rotor plate, through setting up cushion 13 for when hollow rotary drum 12 is rotatory, the surface of hollow rotary drum 12 can closely laminate on cushion 13, avoids hollow rotary drum 12 rotatory to cause the condition of damage to its hollow section of thick bamboo 2 inner wall.

The working principle is as follows: when the baffle plate is used, workers can aim at the two second grooves through the two limiting blocks to press downwards through the baffle plate body 6, so that the two second clamping blocks 42 are stressed to be close to each other, when the two second clamping blocks 42 enter one end distance, the second clamping blocks 42 are not limited by the inner walls of the second grooves any more, so that the second clamping blocks 42 are subjected to resilience force of the second springs 41, the two second clamping blocks 42 are far away from each other and clamped into the two second clamping grooves 44, so that the baffle plate body 6 can be fixed, when the shading surface angle needs to be adjusted, the workers can drive the second rotating shaft 32 and the second bevel gear 33 to rotate through rotating the knob 36, so as to drive the first bevel gear 9 and the threaded column 10 to rotate, further the threaded cap 11 and the hollow rotary drum 12 can start to rotate, so that the angle of the shading surface of the baffle plate body 6 can be adjusted, when the shading surface height needs to, workers can drive the fixed sleeve 35 and the fixed strip 15 to move leftwards by pushing the knob 36 to the hollow cylinder 2, so as to drive the first clamping block 14 to move towards the limiting hole, and further the first clamping block 14 can be limited in the control groove, so that when the knob 36 is rotated, the screw cap 11 and the hollow cylinder 12 can only move upwards and downwards under the limitation of the first clamping block 14, so as to achieve the effect of adjusting the shading height of the baffle body 6, when the shading area needs to be adjusted, the workers can pull the second handle 54 to move backwards, pull the first handle 28 to move rightwards, when the third slider 19 is driven to move rightwards, the lead 25 can be driven to move, so as to drive the second slider 18 to move leftwards to extrude the first spring 24, further the first expansion plate 20 and the second expansion plate 21 can be far away from each other, and when the position is proper, the workers can release the second handle 54, the third block 51 is moved into the third slot 53 by the resilience of the fourth spring 55, and then the third slot 53 is limited, so that the light-shielding area of the baffle body 6 can be increased, when the light-shielding area needs to be reduced, workers can drive the third block 51 to move out of the third slot 53 by pulling the second handle 54, so that the second slider 18 is moved rightwards by the resilience of the first spring 24, and then the wire 25 is driven to move, so that the third slider 19 and the second expansion plate 21 move leftwards, so that the first expansion plate 20 and the second expansion plate 21 can be recovered, thereby achieving the effect of reducing the area, when the light-shielding workers need to detect and replace the light-shielding area, the workers can drive the two slide bars 47 to approach each other to extrude the two second blocks 42 thereof by pressing the two press blocks 48, so that the two second blocks 42 can approach each other, the second latch 42 is no longer confined in the second latch groove 44, so that the worker can take out the shutter body 6 from the fixing plate 7 to perform the work of detecting and replacing it.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.