Picture viewing device with tightening structure

Abstract

The utility model relates to a drawing viewing device, belongs to the technical field of drawing frames, and particularly relates to a drawing viewing device with a tightening structure, which comprises two fixing plates, and two sides of the two fixing plates are respectively and fixedly connected with a fixing shell; according to the drawing tightening device, a motor is started to drive a rotating shaft to rotate, and a rotating column is driven to rotate through a power conveying belt, so that a threaded rod is driven to rotate, a drawing is fixed through an extrusion block, an L-shaped frame is driven to move downwards, a connecting rod is extruded, the other fixing plate is driven to move away from the other fixing plate, and the drawing is tightened; according to the device, the drawings are extruded, fixed and tightened, the drawings are prevented from wrinkling and being inconvenient to watch, the working efficiency of watching the drawings is improved, and the problems that when an existing device is used for flatly watching the drawings, most devices are prone to wrinkling when fixing the drawings, so that the drawings are difficult to watch and are not clear, and the working efficiency of watching the drawings is influenced are solved. And watching is not convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing racks, in particular to a drawing viewing device with a tensioning structure. Background Art

[0002] Drawings play a very important role in our installation and proofreading process, but we found some shortcomings in our daily use. The drawings are relatively large, and it is inconvenient to view them when using them outside. Especially when there are too many drawings, it is not suitable to place and view them.

[0003] Based on the above search results:

[0004] When the existing devices are used to lay drawings flat for viewing, most of the devices are prone to wrinkles when fixing the drawings, which easily makes the drawings difficult and unclear to view, making them inconvenient to view. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a drawing viewing device with a tensioning structure, which starts a motor to drive the rotating shaft to rotate, drives the rotating column to rotate through a power transmission belt, thereby driving the threaded rod to rotate, so that the extrusion block fixes the drawing, drives the L-shaped frame to move downward, squeezes the connecting rod, and drives the other fixed plate to move away, thereby achieving the goal of tightening the drawing.

[0006] The technical solution to achieve the purpose of the utility model is: a picture viewing device with a tensioning structure, comprising two fixed plates, the two sides of the two fixed plates are respectively fixedly connected with fixed shells, wherein the bottom inner walls of the two fixed shells are fixedly connected with motors, and the output ends of the two motors are connected with rotating shafts through couplings, and also includes;

[0007] An extrusion and tensioning mechanism, wherein the extrusion and tensioning mechanism is located on a fixed plate;

[0008] The extrusion and tensioning mechanism includes an extrusion unit and a tensioning unit. The extrusion unit includes rotating columns which are rotatably connected to the inner walls of the bottoms of the other two fixed shells respectively. The tops of the two rotating shafts and the tops of the two rotating columns are fixedly connected with threaded rods. The four threaded rods are screwed with threaded blocks. The tops of the four threaded blocks are fixedly connected with two supporting columns. The tops of the four fixed shells are provided with two movable holes. The tops of the multiple supporting columns respectively penetrate the multiple movable holes and extend to the top of the fixed shells. The tops of every two supporting columns are commonly fixedly connected with strip blocks. The bottoms of the four strip blocks are fixedly connected with telescopic columns. The bottoms of the four telescopic columns are fixedly connected with extrusion blocks.

[0009] In some embodiments, the tightening mechanism includes a connecting rod fixedly connected to one side of one of the fixing plates, and an L-shaped frame is fixedly connected to one side of one of the strip blocks, and the bottom end of the L-shaped frame is located above the oblique end of the connecting rod.

[0010] In some embodiments, one side inner wall of the four fixed shells is fixedly connected with a slide rail, and the four threaded blocks are slidably sleeved on the four slide rails respectively.

[0011] In some embodiments, a return spring is sleeved on each of the four telescopic columns, and two ends of the return spring are fixedly connected to the telescopic column and the extrusion block respectively.

[0012] In some embodiments, a power transmission belt is installed on the circumferential outer walls of the two rotating shafts and the circumferential outer walls of the two rotating columns.

[0013] In some embodiments, two sliding holes are opened on one side of one of the fixing plates, connecting columns are slidably connected in the two sliding holes, and the other ends of the two connecting columns are fixedly connected to the other fixing plate.

[0014] Compared with the prior art, the present invention has the following significant advantages:

[0015] When the utility model is used, the drawing is laid flat on the two fixed plates, and then the motor is started to drive the rotating shaft to rotate, and the power transmission drives the transmission of force to drive the rotating column to rotate, thereby driving the threaded rod to rotate, so that the supporting column on the threaded block moves downward, which is convenient for driving the strip block to move downward, so that the extrusion block on the telescopic column fixes the drawing, and the downward force of the strip block drives the L-shaped frame to move downward, squeezes the connecting rod, and drives the other fixed plate to move away, so as to achieve the tightening of the drawing, realize the extrusion, fixation and tightening of the drawing, prevent the drawing from being wrinkled, and make it inconvenient to view the drawing, thereby improving the work efficiency of viewing the drawing;

[0016] The invention solves the problem that when the existing devices are used to lay drawings flat for viewing, most of the devices are prone to wrinkles when fixing drawings, which easily makes the drawings difficult and unclear to view and inconvenient to view. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0019] Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure provided by the utility model in one embodiment;

[0020] Figure 3 The utility model provides in one embodiment Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0021] Figure 4 The utility model provides in one embodiment Figure 2 The enlarged schematic diagram of the three-dimensional structure is shown at B in the middle.

[0022] Description of reference numerals:

[0023] 1. Fixed plate; 2. Fixed shell; 3. Motor; 4. Rotating shaft; 5. Rotating column; 6. Threaded rod; 7. Threaded block; 8. Slide rail; 9. Support column; 10. Bar block; 11. Telescopic column; 12. Return spring; 13. Extrusion block; 14. Power transmission belt; 15. Connecting rod; 16. L-shaped frame; 17. Connecting column. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a picture viewing device with a tightening structure through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 4As shown, a picture viewing device with a tensioning structure comprises two fixed plates 1, and fixed shells 2 are fixedly connected on both sides of the two fixed plates 1, wherein motors 3 are fixedly connected to the bottom inner walls of the two fixed shells 2, and the fixed shells 2 and the motors 3 are preferably fixed by bolts, which are convenient for disassembly and maintenance, and the output ends of the two motors 3 are connected to the rotating shafts 4 through couplings, and also include; an extrusion and tensioning mechanism, which is located on the fixed plates 1; the extrusion and tensioning mechanism includes an extrusion unit and a tensioning unit, and the extrusion unit includes a rotating column 5 rotatably connected to the bottom inner walls of the other two fixed shells 2, and the top ends of the two rotating shafts 4 and the top ends of the two rotating columns 5 are fixedly connected with threaded rods 6, and the four threaded rods 6 are all screwed with threaded blocks 7. In order to improve the structural stability between the threaded blocks 7 and the support columns 9, the two are fixed by welding. The tops of the four threaded blocks 7 are fixedly connected to two support columns 9. The tops of the four fixed shells 2 are each provided with two movable holes. The tops of the multiple support columns 9 respectively penetrate the multiple movable holes and extend to the top of the fixed shell 2. The tops of every two support columns 9 are commonly fixedly connected with a strip block 10. The bottoms of the four strip blocks 10 are fixedly connected with telescopic columns 11. The bottom ends of the four telescopic columns 11 are fixedly connected with extrusion blocks 13. Through the setting of the extrusion unit, it is possible to press the drawings on the fixed plate 1, which is convenient for fixing the drawings and viewing the drawings.

[0027] like Figure 1 As shown, in one embodiment, the tensioning mechanism includes a connecting rod 15 fixedly connected to one side of one of the fixed plates 1, and one side of one of the strip blocks 10 is fixedly connected to an L-shaped frame 16, and the bottom end of the L-shaped frame 16 is located above the hypotenuse end of the connecting rod 15; through the setting of the tensioning mechanism, the drawings can be tightened to facilitate viewing of the drawings.

[0028] like Figure 3 As shown, in one embodiment, the inner walls of one side of the four fixed shells 2 are fixedly connected with a slide rail 8, and the four threaded blocks 7 are respectively slidably sleeved on the four slide rails 8; through the setting of the slide rail 8 and the threaded block 7, the position of the threaded block 7 when moving is limited.

[0029] like Figure 4 As shown, in one embodiment, a return spring 12 is sleeved on each of the four telescopic columns 11, and both ends of the return spring 12 are fixedly connected to the telescopic column 11 and the extrusion block 13 respectively; through the setting of the return spring 12, the reciprocating motion of the extrusion block 13 is realized, which is convenient for fixing the drawing.

[0030] like Figure 3 As shown, in one embodiment, a power transmission belt 14 is installed on the circumferential outer walls of the two rotating shafts 4 and the circumferential outer walls of the two rotating columns 5 respectively; through the setting of the power transmission belt 14, the rotating shafts 4 and the rotating columns 5 can rotate simultaneously, which is convenient for pressing the drawings at the same time.

[0031] like Figure 1 As shown, in one embodiment, two sliding holes are opened on one side of one of the fixed plates 1, and connecting columns 17 are slidably connected in the two sliding holes, and the other ends of the two connecting columns 17 are fixedly connected to the other fixed plate 1; through the setting of the connecting columns 17, the sliding connection between the two fixed plates 1 is realized.

[0032] The specific working method is: when in use, lay the drawings flat on the two fixed plates 1, then start the motor 3 to drive the rotating shaft 4 to rotate, and through the transmission of power from the power transmission belt 14, drive the rotating column 5 to rotate, thereby driving the threaded rod 6 to rotate, so that the supporting column 9 on the threaded block 7 moves downward, which is convenient for driving the bar block 10 to move downward, so that the extrusion block 13 on the telescopic column 11 fixes the drawings, and the downward force of the bar block 10 drives the L-shaped frame 16 to move downward, squeezes the connecting rod 15, thereby driving the other fixed plate 1 to move away, so as to achieve the tightening of the drawings, realize the extrusion, fixation and tightening of the drawings, prevent the drawings from being wrinkled, and make it inconvenient to view the drawings, thereby improving the work efficiency of viewing the drawings.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A picture viewing device with a tensioning structure, comprising two fixed plates (1), wherein both sides of the two fixed plates (1) are fixedly connected to fixed shells (2), wherein the bottom inner walls of the two fixed shells (2) are fixedly connected to motors (3), and the output ends of the two motors (3) are connected to rotating shafts (4) through couplings, characterized in that: Also includes; A squeezing and tightening mechanism, wherein the squeezing and tightening mechanism is located on the fixing plate (1); The extrusion and tensioning mechanism comprises an extrusion unit and a tensioning unit. The extrusion unit comprises a rotating column (5) which is rotatably connected to the inner wall of the bottom of the other two fixed shells (2). The top ends of the two rotating shafts (4) and the top ends of the two rotating columns (5) are fixedly connected with threaded rods (6). The four threaded rods (6) are screwed with threaded blocks (7). The top ends of the four threaded blocks (7) are fixedly connected with two support columns (9). The top ends of the four fixed shells (2) are provided with two movable holes. The top ends of the plurality of support columns (9) respectively penetrate the plurality of movable holes and extend to the top of the fixed shells (2). The top ends of every two support columns (9) are commonly fixedly connected with a strip block (10). The bottom ends of the four strip blocks (10) are fixedly connected with a telescopic column (11). The bottom ends of the four telescopic columns (11) are fixedly connected with an extrusion block (13).

2. The image viewing device with a tensioning structure according to claim 1, characterized in that: The tightening mechanism comprises a connecting rod (15) fixedly connected to one side of one of the fixing plates (1), and an L-shaped frame (16) is fixedly connected to one side of one of the strip blocks (10), wherein the bottom end of the L-shaped frame (16) is located above the oblique end of the connecting rod (15).

3. The image viewing device with a tensioning structure according to claim 1, characterized in that: One side inner wall of the four fixed shells (2) is fixedly connected with a slide rail (8), and the four threaded blocks (7) are respectively slidably sleeved on the four slide rails (8).

4. The image viewing device with a tensioning structure according to claim 1, characterized in that: A return spring (12) is sleeved on each of the four telescopic columns (11), and two ends of the return spring (12) are respectively fixedly connected to the telescopic column (11) and the extrusion block (13).

5. The image viewing device with a tensioning structure according to claim 1, characterized in that: A power transmission belt (14) is respectively installed on the circumferential outer walls of the two rotating shafts (4) and the circumferential outer walls of the two rotating columns (5).

6. The image viewing device with a tensioning structure according to claim 1, characterized in that: One side of one of the fixed plates (1) is provided with two sliding holes, and connecting columns (17) are slidably connected in the two sliding holes, and the other ends of the two connecting columns (17) are fixedly connected to the other fixed plate (1).

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