阅读说明：本技术 一种自动化控制教学用幕布支架 (Automatic change curtain support for control teaching ) 是由 吴刚 于 2019-09-10 设计创作，主要内容包括：本发明属于自动化控制教学技术领域,尤其是一种自动化控制教学用幕布支架,针对现有的投影幕布支架,不方便切换幕布,幕布容易霉变,不方便调节的问题,现提出以下方案,包括卷筒,所述卷筒两端均转动连接有伸缩杆组件,两个所述伸缩杆组件远离卷筒一端均通过螺栓固定有圆块,两个所述圆块相对一侧外壁转动连接有同一个横轴,所述横轴一侧焊接有支撑板,所述支撑板上开有矩形孔,且矩形孔内壁卡接有配重水箱,所述卷筒截面为字形结构,所述卷筒内设有两个收卷腔。本发明方便容纳不同类型的幕布,操作简单,方便切换,结合设置的电烤灯管,可以对幕布进行加热,保障幕布干燥,避免幕布霉变,提升幕布的使用寿命。(The invention belongs to the technical field of automatic control teaching, and particularly relates to a curtain support for automatic control teaching, aiming at the problems that the existing projection curtain support is inconvenient to switch curtains, the curtains are easy to mildew, and the regulation is inconvenient. The curtain heating device is convenient to accommodate different types of curtains, simple to operate and convenient to switch, and can heat the curtains by combining the arranged electric baking lamp tubes, so that the curtains are ensured to be dried, the curtains are prevented from mildewing, and the service life of the curtains is prolonged.)

1. The automatic control curtain support for teaching comprises a winding drum (10) and is characterized in that two ends of the winding drum (10) are rotatably connected with telescopic rod assemblies, one ends, far away from the winding drum (10), of the two telescopic rod assemblies are respectively provided with a round block (5) through bolts, the outer wall of one side, opposite to the round block (5), of the two round blocks is rotatably connected with the same transverse shaft (3), one side of the transverse shaft (3) is welded with a supporting plate (4), the supporting plate (4) is provided with a rectangular hole, the inner wall of the rectangular hole is connected with a counterweight water tank (2), the section of the winding drum (10) is of an 8-shaped structure, two winding cavities are arranged in the winding drum (10), a first winding drum (24) and a second winding drum (26) are respectively inserted in the two winding cavities, the two ends of the first winding drum (24) and the second winding drum (26) are rotatably connected with, the electric baking lamp tube comprises a first coiling barrel (24), a second coiling barrel (26), a transmission assembly, a transverse electric baking lamp tube (25) and a first curtain cloth (11) and a second curtain cloth (8) are respectively wound on the outer walls of the first coiling barrel (24) and the second coiling barrel (26), strip-shaped openings are respectively formed in the two sides of the coiling barrel (10), one ends of the first curtain cloth (11) and the second curtain cloth (8) penetrate through the two strip-shaped openings respectively, clamping strips (7) are fixed on the ends, far away from the coiling barrel (10), of the first curtain cloth (11) and the second curtain cloth (8) through bolts, fixing strips (13) are welded on the bottom end positions of the outer wall on the opposite side of the two telescopic rod assemblies, and clamping grooves (27) which are distributed equidistantly are formed in the side walls of the two fixing strips (13), the specification of the clamping strip (7) is matched with the clamping groove (28).

2. The curtain bracket for the automatic control teaching of claim 1, wherein the telescopic rod assembly comprises an outer sleeve (6) and a telescopic rod (9) inserted in the outer sleeve (6), a locking assembly is arranged at the end of the outer sleeve (6), and one end of the outer sleeve (6) far away from the locking assembly is fixed with the side wall of the round block (5) through a bolt.

3. The automatic control curtain support for teaching of claim 2, wherein the locking assembly comprises a metal sleeve (12) sleeved with one end of the outer sleeve (6), two hinge blocks (15) are welded on the side wall of the metal sleeve (12), the outer wall of one side, opposite to the two hinge blocks (15), is rotatably connected with the same eccentric circular block (17), and a rectangular notch (22) matched with the eccentric circular block (17) is formed in the bottom end position of the side wall of the metal sleeve (12).

4. The automatic control curtain bracket for teaching as claimed in claim 3, wherein the eccentric circular block (17) is provided with a jack and a pin hole on the cylindrical surface in a crossed manner, the inner walls of the jack and the pin hole are respectively inserted with a support rod (21) and a pin block (19), the pin block (19) is provided with a rectangular hole (18), the support rod (21) passes through the rectangular hole (18), one end of the support rod (21) is provided with a spring element (16), and one end of the spring element (16) is clamped with the inner wall of the jack.

5. The automated control teaching curtain bracket as claimed in claim 4, wherein the side wall of the support rod (21) is provided with a wedge-shaped protrusion (20) near the rectangular hole (18), and the insertion hole is provided with a slide way (14) for the wedge-shaped protrusion (20) to slide.

6. An automated control teaching curtain support as claimed in claim 5, wherein the transmission assembly comprises toothed rings (27) arranged at the end positions of the first winding drum (24) and the second winding drum (26), and the same transmission belt (23) is sleeved on the two toothed rings (27).

7. The automatic control curtain support for teaching of claim 6, wherein the side walls of the two round blocks (5) are provided with screw holes communicated with the transverse shaft (3), and the inner walls of the two screw holes are screwed with fastening bolts.

8. The automatic control curtain bracket for teaching as claimed in claim 7, wherein the top end of the counterweight water tank (2) is provided with a water injection port, and the inner wall of the water injection port is screwed with a block.

9. The automatic control curtain support for teaching of claim 8, wherein the outer wall of the bottom end of the counterweight water tank (2) is bonded with a non-slip mat (1), and the outer wall of the bottom end of the non-slip mat (1) is provided with non-slip lines.

10. The automated control curtain bracket as claimed in claim 9, wherein the electric baking lamp (25) is connected with a switch, and the switch is connected with a power line.

Technical Field

The invention relates to the technical field of automatic control teaching, in particular to a curtain support for automatic control teaching.

Background

The automatic control is semi-automatic and full-automatic, and is a mechanical-electrical integrated automatic integrated control technology and theory in the production fields of modern industry, agriculture, manufacturing industry and the like. Automatic control is also an important subject, and a projection curtain support is needed in the teaching process.

The existing projection curtain support is inconvenient in switching curtains, easy in mildew of the curtains and inconvenient in adjustment, so that the automatic control curtain support for teaching is provided.

Disclosure of Invention

Based on the technical problems that the existing projection curtain support is inconvenient to switch curtains, the curtains are easy to mildew and inconvenient to adjust, the invention provides the automatic control curtain support for teaching.

The invention provides an automatic control teaching curtain support which comprises a winding drum, wherein two ends of the winding drum are rotatably connected with telescopic rod assemblies, round blocks are fixed at one ends of the two telescopic rod assemblies, which are far away from the winding drum, through bolts, the outer walls of the two round blocks at the opposite sides are rotatably connected with a cross shaft, a supporting plate is welded at one side of the cross shaft, a rectangular hole is formed in the supporting plate, a counterweight water tank is clamped at the inner wall of the rectangular hole, the section of the winding drum is of a character-shaped structure, two winding cavities are formed in the winding drum, a first winding cylinder and a second winding cylinder are respectively inserted into the two winding cavities, two ends of the first winding cylinder and the second winding cylinder are rotatably connected with two ends of the inner wall of the winding drum, a transmission assembly for realizing synchronous rotation of the first winding cylinder and the second winding cylinder is arranged between the first winding cylinder and the second winding cylinder, and an electric baking, first coil of material section of thick bamboo and second coil of material section of thick bamboo outer wall twine respectively has first curtain and second curtain, the strip opening has all been opened to the reel both sides, and just first curtain and second curtain one end pass two strip openings respectively, first curtain and second curtain are kept away from reel one end and are all had a card strip, two through the bolt fastening to first curtain and second curtain the relative one side outer wall bottom position department of telescopic link subassembly all welds and is provided with the fixed strip, and just the draw-in groove that has the equidistance to distribute is all opened to two fixed strip lateral walls, the specification and the draw-in groove looks adaptation of card strip.

Preferably, the telescopic link subassembly includes the outer tube and inserts the telescopic link of establishing in the outer tube, the outer tube tip is equipped with locking Assembly, and the outer tube is kept away from locking Assembly one end and is passed through the bolt fastening with the round block lateral wall.

Preferably, locking Assembly includes the metal covering that cup joints with outer tube one end, and the welding of metal covering lateral wall has two articulated pieces, two the relative one side outer wall of articulated piece rotates and is connected with same eccentric circle piece, metal covering lateral wall bottom position department is equipped with the rectangle opening with eccentric circle piece looks adaptation.

Preferably, the cylinder surface of the eccentric round block is provided with jacks and pin holes in a crossed manner, the inner walls of the jacks and the pin holes are respectively spliced with a support rod and a pin block, the pin block is provided with a rectangular hole, the support rod penetrates through the rectangular hole, one end of the support rod is provided with a spring part, and one end of the spring part is clamped with the inner wall of the jack.

Preferably, the side wall of the supporting rod is provided with a wedge-shaped bulge at a position close to the rectangular hole, and a slide way for the wedge-shaped bulge to slide is arranged in the insertion hole.

Preferably, the transmission assembly comprises gear rings arranged at end positions of the first winding barrel and the second winding barrel, and the two gear rings are sleeved with the same transmission belt.

Preferably, two the screw that the intercommunication cross axle was all opened to the circle piece lateral wall, and two screw inner walls all spiro union have fastening bolt.

Preferably, the top end of the counterweight water tank is provided with a water filling port, and the inner wall of the water filling port is screwed with a block.

Preferably, the outer wall of the bottom end of the counterweight water tank is bonded with an anti-slip mat, and the outer wall of the bottom end of the anti-slip mat is provided with anti-slip lines.

Preferably, the electric baking lamp tube is connected with a switch, and the switch is connected with a power line.

The beneficial effects of the invention are as follows:

1. through the reel that has two rolling chambeies that sets up, conveniently hold the curtain of different grade type, easy operation, convenient switching, the transmission assembly that the cooperation set up realizes that first coil of material section of thick bamboo and second coil of material section of thick bamboo rotate in step, can be when first curtain pulls out, packs up the coiling of second curtain, combines the electric baking tube that sets up, can heat the curtain, and the guarantee curtain is dry, avoids the curtain to milden and rot, promotes the life of curtain.

2. Through the locking mechanism who sets up, conveniently adjust the length that the telescopic link stretches out, conveniently adjust the height of curtain, combine the branch and the round pin piece that set up, conveniently lock the eccentric block, it is convenient to take off the lock, and the counter weight water tank that the cooperation set up simultaneously promotes the stability of support, combines the pivot, conveniently adjusts the angle of two telescopic link subassemblies, conveniently adjusts the angle of placing of curtain.

Drawings

Fig. 1 is a schematic view of an overall structure of an automated control teaching curtain support according to the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of a locking assembly of an automated control teaching curtain bracket according to the present invention;

FIG. 3 is a schematic cross-sectional view of a winding drum of an automated control teaching curtain bracket according to the present invention;

fig. 4 is a schematic structural diagram of a curtain bracket fixing strip for automatic control teaching according to the present invention;

fig. 5 is a schematic structural diagram of a counterweight water tank of an automatic control teaching curtain support according to the present invention.

In the figure: 1 non-slip mat, 2 counterweight water tanks, 3 transverse shafts, 4 supporting plates, 5 round blocks, 6 outer sleeves, 7 clamping strips, 8 second curtains, 9 telescopic rods, 10 winding drums, 11 first curtains, 12 metal sleeves, 13 fixing strips, 14 slideways, 15 hinging blocks, 16 spring pieces, 17 eccentric round blocks, 18 rectangular holes, 19 pin blocks, 20 wedge-shaped protrusions, 21 supporting rods, 22 rectangular openings, 23 driving belts, 24 first winding drums, 25 electric baking lamp tubes, 26 second winding drums, 27 toothed rings and 28 clamping grooves.

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.

Referring to fig. 1-5, an automatic control teaching curtain support comprises a winding drum 10, wherein two ends of the winding drum 10 are rotatably connected with telescopic rod assemblies, one ends of the two telescopic rod assemblies, far away from the winding drum 10, are respectively fixed with round blocks 5 through bolts, the outer walls of the two opposite sides of the round blocks 5 are rotatably connected with a same cross shaft 3, one side of the cross shaft 3 is welded with a support plate 4, the support plate 4 is provided with a rectangular hole, the inner wall of the rectangular hole is clamped with a counterweight water tank 2, the section of the winding drum 10 is of an 8-shaped structure, two winding cavities are arranged in the winding drum 10, a first winding drum 24 and a second winding drum 26 are respectively inserted in the two winding cavities, two ends of the first winding drum 24 and the second winding drum 26 are rotatably connected with two ends of the inner wall of the winding drum 10, a transmission assembly for realizing synchronous rotation of the first winding drum 24 and the second winding drum 26 is arranged between the first winding drum, first curtain cloth 11 and second curtain 8 have been twined respectively to first reel cylinder 24 and the 26 outer walls of second reel cylinder, the bar opening has all been opened at reel 10 both sides, and two bar openings are passed respectively to first curtain cloth 11 and 8 one ends of second curtain, first curtain cloth 11 and second curtain 8 keep away from reel 10 one end and all have card strip 7 through the bolt fastening, two relative one side outer wall bottom position departments of telescopic rod subassembly all weld and are provided with fixed strip 13, and two fixed strip 13 lateral walls all open the draw-in groove 27 that the equidistance distributes, the specification and the draw-in groove 28 looks adaptation of card strip 7.

The telescopic rod assembly comprises an outer sleeve 6 and a telescopic rod 9 inserted in the outer sleeve 6, wherein a locking assembly is arranged at the end part of the outer sleeve 6, one end of the outer sleeve 6, far away from the locking assembly, is fixed with the side wall of a round block 5 through a bolt, the locking assembly comprises a metal sleeve 12 sleeved with one end of the outer sleeve 6, two hinge blocks 15 are welded on the side wall of the metal sleeve 12, the outer wall of one side, opposite to the two hinge blocks 15, is rotatably connected with the same eccentric round block 17, a rectangular notch 22 matched with the eccentric round block 17 is arranged at the bottom end position of the side wall of the metal sleeve 12, jacks and pin holes are crossly arranged on the cylindrical surface of the eccentric round block 17, a support rod 21 and a pin block 19 are respectively inserted into the inner walls of the jacks and the pin holes, a rectangular hole 18 is arranged on the pin block 19, the support rod 21 penetrates through the rectangular hole 18, a, and be equipped with in the jack and supply the gliding slide 14 of wedge arch 20, drive assembly is including setting up the ring gear 27 in first roll of feed cylinder 24 and the 26 tip positions department of second roll of feed cylinder, and the cover is equipped with same drive belt 23 on two ring gear 27, the screw that has intercommunication cross axle 3 is all opened to 5 lateral walls of two circles pieces, and the equal spiro union of two screw inner walls has fastening bolt, 2 tops of counter weight water tank are equipped with the water filling port, and the spiro union of water filling port inner wall has the sprue, 2 bottom outer walls of counter weight water tank bond there is slipmat 1, and 1 bottom outer wall of slipmat is opened there is the antiskid line, electric baking lamp 25 even has the switch, and the switch even has.

When the curtain is used, the telescopic rod 9 extends out of the outer sleeve 6 by a proper length, then the supporting rod 21 is held by hands, the eccentric round block 17 is rotated, the eccentric round block 17 is tightly abutted against the telescopic rod 9, the pin block 19 is clamped into the rectangular opening 22, the wedge-shaped protrusion 20 on the supporting rod 21 is clamped into the rectangular hole 18 by pressing the supporting rod 21, the pin block 19 is separated from the rectangular opening 22, when the second curtain 8 is needed to be used, the second curtain 8 is pulled, the clamping strips 7 on the second curtain 8 are clamped into the clamping grooves 28 on the two fixing strips 13, the transmission assembly realizes synchronous rotation of the first winding barrel 24 and the second winding barrel 26, the second curtain 8 can be wound while the first curtain 11 is pulled out, the curtain can be heated by combining the arranged electric baking lamp tube 25, the curtain is dried, the curtain is prevented from mildewing, the service life of the curtain is prolonged, the counterweight water tank 2 can improve the stability of the support, combine cross axle 3, conveniently adjust the angle of two telescopic link subassemblies, conveniently adjust the angle of placing of curtain.

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.