CN109793381B - Drawing display device with automatic winding function - Google Patents
Drawing display device with automatic winding function Download PDFInfo
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- CN109793381B CN109793381B CN201910177776.3A CN201910177776A CN109793381B CN 109793381 B CN109793381 B CN 109793381B CN 201910177776 A CN201910177776 A CN 201910177776A CN 109793381 B CN109793381 B CN 109793381B
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Abstract
The invention discloses a drawing display device with an automatic winding function, which comprises a base, a fixing ring and a support rod, wherein universal wheels are connected below the base, the base and a fixing block are welded, a balance foot is arranged below the fixing ring, an expansion bracket is arranged above the base, a stop screw is connected to the right side of the fixing rod, a back plate is fixed above the support rod, the left side of the back plate is connected with an extension plate, punch forming is carried out between the extension plate and a first connecting block, a first winding rod is arranged inside the first connecting block, a small motor is arranged at the bottom end inside a second connecting block, and a positioning block is arranged above the second winding rod. This drawing display device with automatic winding function places steadily, can adapt to unevenness's ground, and it is convenient to remove, can carry out high regulation, and convenient to use is convenient for pack up the drawing.
Description
Technical Field
The invention relates to the technical field of teaching tools, in particular to a drawing display device with an automatic winding function.
Background
Different tools are needed to be used during teaching, and the display device is one of the tools needed to be used by the teacher in the teaching and is used for fixing the drawing needed during teaching.
However, current display device is not steady enough when placing, be difficult to adapt to unevenness's ground, be difficult to remove, need lift it when removing it, carry suitable position again, waste time and energy, can not carry out high regulation, be not convenient for use, need frequent change the drawing, and use and be not convenient for pack up the drawing after accomplishing, for this reason, we propose one kind and place steadily, can adapt to unevenness's ground, it is convenient to remove, can carry out high regulation, high convenience is used, and be convenient for pack up the display device of drawing.
Disclosure of Invention
The invention aims to provide a drawing display device with an automatic winding function, and aims to solve the problems that the existing display device provided in the background art is not stable enough when being placed, is difficult to adapt to uneven ground, is difficult to move, needs to be lifted when being moved, is transported to a proper position, wastes time and labor, cannot be adjusted in height, is inconvenient to use, needs to replace drawings frequently, and is inconvenient to fold drawings after being used.
In order to achieve the purpose, the invention provides the following technical scheme: a drawing display device with an automatic winding function comprises a base, a fixing ring and a support rod, wherein a universal wheel is connected below the base, a fixing block is installed on the right side of the base, the base and the fixing block are welded, a rotating shaft is connected to the right side of the fixing block, a balance foot is arranged below the fixing ring, the fixing ring is located on the right side of the rotating shaft, a telescopic frame is installed above the base, a fixing rod is arranged on the right side of the telescopic frame, a stop screw is connected to the right side of the fixing rod, a first slide way is arranged inside the fixing rod, a back plate is fixed above the support rod, the support rod is located inside the first slide way, an extension plate is connected to the left side of the back plate, a first connecting block is fixed to the left side of the extension plate, a punch forming is arranged between the extension plate and the first connecting block, and a baffle is, the inside of first connecting block is settled there is first winding rod, and the top outside surface laminating of first winding rod has the antiskid cover, the second connecting block is installed on the right side of backplate, and the left end surface of second connecting block is provided with the receipts roll mouth, the micromotor is installed to the inside bottom of second connecting block, and the top of micromotor is connected with second winding rod, the locating piece is installed to the top of second winding rod.
Preferably, be threaded connection between balanced foot and the solid fixed ring, and balanced foot constitutes revolution mechanic through solid fixed ring and the cooperation between the pivot with the fixed block to the bottom surface of balanced foot is located same horizontal plane with the bottom surface of universal wheel.
Preferably, the supporting rod and the fixing rod form a sliding structure through the first slideway, and the fixing rod and the supporting rod are perpendicular to the stop screw.
Preferably, the inside of backplate is provided with the second slide, and the inside arrangement of second slide has the slider, for stamping forming between branch and the backplate, and the backplate passes through the cooperation between branch, dead lever and the expansion bracket and constitutes elevation structure with the base.
Preferably, the first connecting block is connected with the back plate through the extending plate, the first connecting block and the second connecting block are symmetrical about a vertical center line of the back plate, and the first connecting block and the second connecting block form a translation structure with the back plate through matching among the extending plate, the sliding block and the second sliding way.
Preferably, the left end surface mounting of first link block has the hinge, and the front end fixed surface of hinge has the fixed screw, first winding rod runs through in first link block, and just first winding rod constitutes coarse structure through the antiskid cover to vertical central line between first winding rod and the first link block coincides mutually.
Preferably, the right-hand member surface of baffle is provided with the constant head tank, and the inside arrangement of constant head tank has the fixture block, the below of fixture block is connected with reset spring, and reset spring's outside is provided with the opening, be connected for rotating between second winding rod and the small-size motor, and second winding rod passes through locating piece and second connecting block fixed connection.
Preferably, the hinge is connected with the first connecting block and the baffle plate through fixing screws respectively, the baffle plate and the first connecting block form a rotating structure through the hinge, and the structure between the first connecting block and the second connecting block is the same.
Preferably, the first connecting block is movably connected with the baffle through a positioning groove and a clamping block, the clamping block and the first connecting block form a pressing structure through a return spring, and the size of the opening is matched with that of the clamping block.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a balance support effect for the device through the arrangement of the balance feet, the fixing ring, the rotating shaft, the fixing block, the base and the universal wheel, so that the device can be stably placed, the stability of the device is improved, the position of the balance feet in the vertical direction can be finely adjusted through the threaded connection between the balance feet and the fixing ring, the device can adapt to the uneven ground, the stability of the device is improved, the universal wheel can convert the friction force between the base and the ground when the device moves from sliding friction to rolling friction, the friction force generated between the device and the ground when the device moves is greatly reduced, the movement of the device is more convenient, the fixing block improves the firmness of the connection between the balance feet and the base, the firmness of the device is improved, when the device needs to be moved, the fixing ring can be rotated through the rotating shaft, so that the balance feet are rotated, so that the balance feet do not interfere with the movement of the device.
2. According to the invention, through the arrangement of the support rod, the fixing rod, the first slide way and the stop screw, the support rod can move in the first slide way in the fixing rod, so that the position of the support rod in the vertical direction is adjusted, the position of the support rod is fixed through rotating the stop screw, and the movement of the support rod in the vertical direction drives the back plate to adjust the position of the back plate in the vertical direction, so that the device is lifted.
3. According to the invention, through the arrangement of the first horizontal connecting rod, the second horizontal connecting rod, the fixing screw rod and the nut, the first winding rod and the second winding rod in the first connecting block and the second connecting block fix a large drawing, small drawings with different sizes and dimensions are separated from the large drawing, and acting force is applied to the first connecting block or the second connecting block to enable the sliding block to move in the second sliding way, so that the distance between the first connecting block and the second connecting block can be adjusted, the device can adjust the large drawings with different lengths, and the application range of the device is improved.
4. According to the invention, through the arrangement of the fine platform, the guard plate and the telescopic rod, the first winding rod is rotated to roll the drawing, so that the drawing wound on the second winding rod is stretched to the back plate, a teacher can conveniently replace different small drawings on a large drawing, and different small drawings are explained.
5. The fixing screws improve the connection firmness between the hinge and the first connecting block and the baffle plate through the arrangement of the first positioning rod, the second positioning rod, the connecting sleeve and the rotary rod, the baffle plate can rotate through the hinge, so that the first connecting block can be opened, the hinge and the baffle plate are arranged on the first connecting block and the second connecting block, a teacher can conveniently install a large drawing into the device, the positioning groove can fix the first connecting block through the clamping block, downward acting force is applied to the clamping block, the clamping block is pressed into the opening through the elasticity of the reset spring, so that the positioning groove can not fix the first connecting block through the clamping block, the first connecting block can be opened, the clamping block is pressed, the first connecting block is closed, the clamping block is loosened through the elasticity of the reset spring, the clamping block is bounced, the positioning groove can continuously fix the clamping block, and the using steps of the device are simplified, the device is more convenient to use.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a back plate structure according to the present invention;
FIG. 3 is a left side view of the baffle of the present invention;
FIG. 4 is a right side view of the baffle of the present invention;
FIG. 5 is a schematic structural diagram of a first connecting block according to the present invention;
FIG. 6 is an enlarged view of the structure of the present invention at A.
In the figure: 1. a base; 2. a universal wheel; 3. a fixed block; 4. a rotating shaft; 5. a fixing ring; 6. a balance foot; 7. a telescopic frame; 8. fixing the rod; 9. a stop screw; 10. a first slideway; 11. a strut; 12. a back plate; 13. an extension plate; 14. a first connection block; 15. a baffle plate; 16. a first winding roller; 17. an anti-slip sleeve; 18. a second connecting block; 19. a rolling opening; 20. a small-sized motor; 21. a second winding roller; 22. positioning blocks; 23. a slider; 24. a second slideway; 25. a hinge; 26. fixing screws; 27. positioning a groove; 28. a clamping block; 29. a return spring; 30. and (4) opening.
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: the utility model provides a drawing display device with automatic winding function, includes base 1, solid fixed ring 5 and branch 11, its characterized in that: the universal wheel 2 is connected below the base 1, the fixed block 3 is installed on the right side of the base 1, the base 1 and the fixed block 3 are welded, the rotating shaft 4 is connected on the right side of the fixed block 3, the balance foot 6 is arranged below the fixed ring 5, the fixed ring 5 is located on the right side of the rotating shaft 4, the balance foot 6 is in threaded connection with the fixed ring 5, the balance foot 6 forms a rotating structure with the fixed block 3 through the matching between the fixed ring 5 and the rotating shaft 4, the bottom end surface of the balance foot 6 and the bottom end surface of the universal wheel 2 are located on the same horizontal plane, the balance foot 6 provides a balance support effect for the device, the device can be stably placed, the stability of the device is improved, the position of the balance foot 6 in the vertical direction can be finely adjusted through the threaded connection between the balance foot 6 and the fixed ring 5, and therefore the device can adapt to, the stability of the device is improved, the friction force between the base 1 and the ground when the device moves can be converted from sliding friction to rolling friction by the universal wheels 2, the friction force generated between the device and the ground when the device moves is greatly reduced, the device can move more conveniently, the firmness of connection between the balance feet 6 and the base 1 is improved by the fixed blocks 3, the firmness of the device is improved, when the device needs to be moved, the fixed ring 5 can be turned up through the rotating shaft 4, so that the balance feet 6 can be turned up, the balance feet 6 can not obstruct the movement of the device, the telescopic frame 7 is arranged above the base 1, the fixed rod 8 is arranged on the right side of the telescopic frame 7, the right side of the fixed rod 8 is connected with the stop screw 9, the first slide way 10 is arranged inside the fixed rod 8, the back plate 12 is fixed above the supporting rod 11, and the supporting rod 11 is positioned inside the first slide way 10, the supporting rod 11 and the fixed rod 8 form a sliding structure through a first slideway 10, the fixed rod 8 and the supporting rod 11 are both vertical to the stop screw 9, the supporting rod 11 can move in the first slideway 10 in the fixed rod 8, thereby adjusting the position of the strut 11 in the vertical direction, by turning the stop screw 9, the position of the supporting rod 11 is fixed, the left side of the back plate 12 is connected with an extending plate 13, the left side of the extending plate 13 is fixed with a first connecting block 14, the supporting rod 11 and the back plate 12 are formed by punching, and the back plate 12 forms a lifting structure with the base 1 through the matching among the support rod 11, the fixed rod 8 and the expansion bracket 7, the back plate 12 is driven to adjust the position in the vertical direction by the movement of the supporting rod 11 in the vertical direction, thereby lifting the device, punching and forming the extension plate 13 and the first connecting block 14, and installing a baffle 15 in front of the first connecting block 14;
a first winding stick 16 is arranged inside the first connecting block 14, the top outer surface of the first winding stick 16 is attached with an anti-slip sleeve 17, the first winding stick 16 penetrates through the first connecting block 14, the first winding stick 16 forms a rough structure through the anti-slip sleeve 17, the vertical center line between the first winding stick 16 and the first connecting block 14 is coincident, the drawing is rolled up by rotating the first winding stick 16, the drawing wound on the second winding stick 21 is stretched to the back plate 12, a teacher can conveniently replace different small drawings on a large drawing, and accordingly different small drawings are explained, the anti-slip sleeve 17 improves the friction force between the hand of the teacher and the first winding stick 16, the first winding stick 16 cannot easily fall off from the hand, the device is convenient to adjust, the second connecting block 18 is arranged on the right side of the back plate 12, and a rolling-up port 19 is formed in the left end surface of the second connecting block 18, a small motor 20 is installed at the bottom end inside the second connecting block 18, a second winding rod 21 is connected above the small motor 20, the second winding rod 21 is rotatably connected with the small motor 20, the second winding rod 21 is fixedly connected with the second connecting block 18 through a positioning block 22, after the explanation of the whole large drawing is completed, the second winding rod 21 is driven to rotate through the rotation of the small motor 20, so that the large drawing is wound, the rotation speed of the second winding rod 21 can be limited by the positioning block 22, the rotation speed of the second winding rod 21 cannot be too high, the situation that the large drawing is stressed too much and is broken is prevented, the positioning block 22 is installed above the second winding rod 21, a second slide way 24 is arranged inside the back plate 12, a slide block 23 is arranged inside the second slide way 24, a hinge 25 is installed on the left end surface of the first connecting block 14, and a fixing screw 26 is fixed on the front end surface of the hinge 25, the first connecting block 14 is connected with the back plate 12 through the extending plate 13, the first connecting block 14 and the second connecting block 18 are symmetrical about a vertical central line of the back plate 12, the first connecting block 14 and the second connecting block 18 form a translation structure with the back plate 12 through cooperation among the extending plate 13, the sliding block 23 and the second sliding way 24, the first winding roller 16 and the second winding roller 21 in the first connecting block 14 and the second connecting block 18 fix a large drawing, small drawings with different sizes and dimensions are separated on the large drawing, acting force is applied to the first connecting block 14 or the second connecting block 18 to enable the sliding block 23 to move in the second sliding way 24, so that the distance between the first connecting block 14 and the second connecting block 18 can be adjusted, the device can adjust the large drawings with different lengths, the application range of the device is improved, the drawing 25 is respectively connected with the first connecting block 14 and the baffle 15 through the fixing screws 26, the baffle 15 and the first connecting block 14 form a rotating structure through a hinge 25, the first connecting block 14 and the second connecting block 18 are identical in structure, the fixing screws 26 improve the firmness of connection between the hinge 25 and the first connecting block 14 and the baffle 15, the baffle 15 can rotate through the hinge 25, so that the first connecting block 14 can be opened, the hinge 25 and the baffle 15 are mounted on the first connecting block 14 and the second connecting block 18, a teacher can conveniently mount a large drawing into the device, a positioning groove 27 is formed in the right end surface of the baffle 15, a fixture block 28 is arranged in the positioning groove 27, a return spring 29 is connected below the fixture block 28, an opening 30 is formed outside the return spring 29, the first connecting block 14 is movably connected with the baffle 15 through the positioning groove 27 and the fixture block 28, and the fixture block 28 and the first connecting block 14 form a pressing structure through the return spring 29, and the size between opening 30 and fixture block 28 is identical, positioning groove 27 provides fixation for first connecting block 14 through fixture block 28, apply downward acting force to fixture block 28, through the elasticity of reset spring 29, make it be pressed into opening 30, thereby make positioning groove 27 unable to provide fixation for first connecting block 14 through fixture block 28, thereby make first connecting block 14 can open, press fixture block 28 again, close first connecting block 14, unclamp fixture block 28 through the elasticity of reset spring 29, bounce fixture block 28, make positioning groove 27 continue to provide fixation for fixture block 28, the service steps of the simplified device, make the use of the device more convenient.
The working principle is as follows: for the display device, downward acting force is firstly applied to the fixture block 28, the fixture block 28 is pressed into the opening 30 through the elasticity of the return spring 29, so that the positioning groove 27 cannot fix the first connecting block 14 through the fixture block 28, the baffle 15 is rotated through the hinge 25, so that the first connecting block 14 and the second connecting block 18 are opened, a large drawing required to be used for lecture is wound on the second winding stick 21, the other end of the large drawing is wound on the first winding stick 16, the large drawing is adjusted to a proper position, so that a small drawing at the leftmost end of the large drawing is displayed in front of the back plate 12, the fixing ring 5 and the balance foot 6 are rotated through the rotating shaft 4, the device is pushed to a proper position through the rotation of the universal wheel 2, the balance foot 6 is rotated downwards, the balance foot 6 is rotated to a proper position through the rotation of the balance foot 6, and the balance foot 6 provides support for the device, then, the support rod 11 moves in the first slide way 10 in the fixed rod 8 to drive the back plate 12 to adjust the height, the back plate 12 is adjusted to a proper position, the stop screw 9 is rotated to fix the position of the support rod 11, and then the drawing is explained;
the drawing is rolled up by rotating the first winding roller 16, so that the drawing wound on the second winding roller 21 is stretched to the back plate 12, a teacher can conveniently replace different small drawings on a large drawing, thereby explaining different small drawings, the anti-slip sleeve 17 improves the friction force between the hand of the teacher and the first winding stick 16, so that the first winding stick 16 can not easily fall off from the hand, after the explanation of the whole big drawing is finished, the second winding roller 21 is driven to rotate by the rotation of the small motor 20, so that the big drawing is wound, the slider 23 is moved in the second slide 24 by applying a force to the first connecting block 14 or the second connecting block 18, the distance between the first connecting block 14 and the second connecting block 18 can be adjusted, so that the device can adjust large drawings with different lengths, and the using process of the whole display device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A drawing display device with an automatic winding function comprises a base (1), a fixing ring (5) and a support rod (11), wherein universal wheels (2) are connected below the base (1), a fixing block (3) is installed on the right side of the base (1), the base (1) and the fixing block (3) are welded, a rotating shaft (4) is connected to the right side of the fixing block (3), a balance foot (6) is arranged below the fixing ring (5), the fixing ring (5) is located on the right side of the rotating shaft (4), a telescopic frame (7) is installed above the base (1), a fixing rod (8) is arranged on the right side of the telescopic frame (7), a stop screw (9) is connected to the right side of the fixing rod (8), a first slide way (10) is arranged inside the fixing rod (8), a back plate (12) is fixed above the support rod (11), and the supporting rod (11) is positioned inside the first slideway (10);
the balance feet (6) are in threaded connection with the fixing ring (5), the balance feet (6) form a rotating structure with the fixing block (3) through the matching between the fixing ring (5) and the rotating shaft (4), and the bottom end surfaces of the balance feet (6) and the universal wheel (2) are located on the same horizontal plane;
the supporting rod (11) and the fixed rod (8) form a sliding structure through the first slideway (10), and the fixed rod (8) and the supporting rod (11) are both vertical to the stop screw (9);
the method is characterized in that:
the left side of the back plate (12) is connected with an extension plate (13), the left side of the extension plate (13) is fixed with a first connecting block (14), a punch forming is carried out between the extension plate (13) and the first connecting block (14), a baffle plate (15) is arranged in front of the first connecting block (14), a first winding stick (16) is arranged inside the first connecting block (14), an anti-slip sleeve (17) is attached to the outer surface of the top end of the first winding stick (16), a second connecting block (18) is installed on the right side of the back plate (12), a coiling opening (19) is arranged on the surface of the left end of the second connecting block (18), a small motor (20) is arranged at the bottom end inside the second connecting block (18), a second winding roller (21) is connected above the small motor (20), and a positioning block (22) is installed above the second winding roller (21);
a second slide way (24) is arranged in the back plate (12), a sliding block (23) is arranged in the second slide way (24), the support rod (11) and the back plate (12) are formed in a stamping mode, and the back plate (12) forms a lifting structure with the base (1) through the matching among the support rod (11), the fixing rod (8) and the telescopic frame (7);
the first connecting block (14) is connected with the back plate (12) through the extending plate (13), the first connecting block (14) and the second connecting block (18) are symmetrical about a vertical central line of the back plate (12), and the first connecting block (14) and the second connecting block (18) form a translation structure with the back plate (12) through the matching among the extending plate (13), the sliding block (23) and the second sliding way (24);
a positioning groove (27) is formed in the surface of the right end of the baffle (15), a clamping block (28) is arranged inside the positioning groove (27), a return spring (29) is connected below the clamping block (28), an opening (30) is formed in the outer portion of the return spring (29), the second winding stick (21) is rotatably connected with the small motor (20), and the second winding stick (21) is fixedly connected with the second connecting block (18) through a positioning block (22);
the first connecting block (14) is movably connected with the baffle (15) through a positioning groove (27) and a clamping block (28), the clamping block (28) and the first connecting block (14) form a pressing structure through a return spring (29), and the opening (30) is matched with the clamping block (28) in size.
2. The drawing display device with the automatic winding function as claimed in claim 1, wherein: hinge (25) are installed to the left end surface of first connecting block (14), and the front end fixed surface of hinge (25) has set screw (26), first winding rod (16) run through in first connecting block (14), and first winding rod (16) constitute coarse structure through antiskid cover (17) to vertical central line between first winding rod (16) and first connecting block (14) coincides mutually.
3. The drawing display device with the automatic winding function as claimed in claim 2, wherein: hinge (25) are connected with first connecting block (14) and baffle (15) respectively through set screw (26), and baffle (15) constitute rotating-structure through hinge (25) and first connecting block (14), and the structure between first connecting block (14) and second connecting block (18) is the same.
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CN201910177776.3A CN109793381B (en) | 2019-03-10 | 2019-03-10 | Drawing display device with automatic winding function |
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CN201910177776.3A CN109793381B (en) | 2019-03-10 | 2019-03-10 | Drawing display device with automatic winding function |
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CN110897346A (en) * | 2019-12-09 | 2020-03-24 | 怀化学院 | Table for product design |
CN112137253A (en) * | 2020-10-10 | 2020-12-29 | 邵阳博瑞钟表制造有限公司 | Intelligence children wrist-watch watchband subassembly |
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CN201285637Y (en) * | 2008-05-02 | 2009-08-05 | 赵巨忠 | Multiple large picture demonstration device |
US20150020796A1 (en) * | 2012-09-07 | 2015-01-22 | Hamilton Beach Brands, Inc. | Grill and Method of Assembling Same |
CN206524049U (en) * | 2016-10-14 | 2017-09-26 | 陕西理工学院 | A kind of Teaching of Economics apparatus for demonstrating |
CN207666306U (en) * | 2017-06-20 | 2018-07-31 | 中石化石油工程技术服务有限公司 | Oil-gas exploration geological logging lithological profile Dynamic sand table |
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CN208376400U (en) * | 2018-05-29 | 2019-01-15 | 孙妍 | A kind of fine arts tool box |
CN208554876U (en) * | 2018-06-05 | 2019-03-01 | 深圳市旭龙昇电子有限公司 | A kind of protective cover of coating machine |
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CN109043972B (en) * | 2018-08-28 | 2020-03-20 | 芜湖文青机械设备设计有限公司 | Drawing show shelf for industrial design |
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