CN114903289B - Computer integrated practice desk device on accounting teaching computer - Google Patents
Computer integrated practice desk device on accounting teaching computer Download PDFInfo
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- CN114903289B CN114903289B CN202210697830.9A CN202210697830A CN114903289B CN 114903289 B CN114903289 B CN 114903289B CN 202210697830 A CN202210697830 A CN 202210697830A CN 114903289 B CN114903289 B CN 114903289B
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 18
- 206010020675 Hypermetropia Diseases 0.000 abstract description 3
- 230000004305 hyperopia Effects 0.000 abstract description 3
- 201000006318 hyperopia Diseases 0.000 abstract description 3
- 208000001491 myopia Diseases 0.000 abstract description 3
- 230000004379 myopia Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 230000036544 posture Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
Abstract
The invention discloses an on-machine integrated practice desk device of an accounting teaching computer, which comprises a desk frame, wherein a transverse groove is formed in the top of the desk frame, an outer frame is connected in a sliding manner in the transverse groove, an anti-falling assembly is arranged on the inner side wall of the top of the outer frame, a positioning plate is arranged in the inner center of the outer frame, and three telescopic frames are arranged between the positioning plate and the outer frame; the driving rod is arranged under the cooperation of the lifting frame through the pulling component, the display screen is adjusted to a proper position, the display screen is further prevented from being watched by students from looking up or overlooking, the display screen is more comfortable when the students watch the display screen, the display screen position of the internal installation of the positioning plate can be adjusted through the displacement mechanism, the display screen can be watched in a comfortable posture by myopia or hyperopia classmates through the displacement mechanism, the display screen can be fixed in the positioning plate through the fixing mechanism, the display screen can be installed through the fixing mechanism, and the step of using bolts for fixing is avoided.
Description
Technical Field
The invention relates to the technical field of accounting teaching equipment, in particular to an on-machine integrated practice desk device of an accounting teaching computer.
Background
In order to facilitate teacher's demonstration in the in-process of accounting teaching, often can carry out the teaching in integrated computer lab, and practice desk is an equipment of placing computer display screen in the integrated computer lab, and the display screen of current computer is mostly fixed in the upset board at practice desk top, when the student need use the display, only need to overturn the upset board outside can, when need not use the display, only reset the upset board to the desk can.
In carrying out the present application, the inventors have found that at least the following problems exist in this technology: because the turnover plate is not provided with an adjusting mechanism, when students with different heights sit on the desk, the students can look up or look down at the display screen, and when the students look up or look down for a long time, the situation of aching the neck of the students can be caused, when the students have myopia or hyperopia, the students are required to get close to the display screen or get away from the display screen, and because the students do not keep correct sitting postures, the situation of aching the back of the students can be caused for a long time.
Therefore, we propose an on-machine integrated practice desk device of an accounting teaching computer to solve the above problems.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an integrated practice desk device of computer machine on accounting teaching, includes the desk frame, horizontal groove has been seted up at the top of desk frame, the inside sliding connection of horizontal groove has outer frame, the anticreep subassembly is installed to the top inside wall of outer frame, the locating plate is installed to the inside central point of outer frame, the locating plate with install three expansion bracket between the outer frame, and three the expansion bracket is located respectively left side outer wall, right side outer wall and top intermediate position department of locating plate, the top of locating plate and with the pole setting is installed in the corresponding position of anticreep subassembly, two sets of fixed establishment of front surface both ends symmetry of locating plate are installed, every group fixed establishment's quantity is two, elevating system is installed at the inside rear of outer frame, displacement mechanism is installed at the inside wall both ends of desk frame, displacement mechanism with elevating system all with outer frame connection.
The displacement mechanism comprises a sliding rail, a cross rod, pedals, a sliding block, telescopic rods, a sliding block, a longitudinal rod, a first spring frame and a pressing rod, wherein the sliding rail is arranged at two ends of the inner side wall of the desk frame, the sliding block is connected above the outer side wall of the sliding rail in a sliding manner, the four longitudinal rods are connected in a sliding manner, the sliding block is arranged at the bottom of each longitudinal rod, the tops of the sliding blocks are in contact with the bottoms of the sliding rails, the first spring frame is arranged above the outer side wall of each longitudinal rod, the first spring frame is located at the top of the sliding block, an extrusion groove is further formed in the top of the sliding block, the pedal is connected with the top of the sliding block in a rotating manner through a connecting shaft, the pressing rod is arranged at the bottom of the pressing rod, the cross rod is arranged on the rear surface of the sliding block, the telescopic rods are arranged at the tops of the cross rod, the tops of the telescopic rods are connected with one ends of the positioning plates, the tops of the desk frame are located at the two ends of the sliding rail, and the telescopic rods penetrate through the transverse groove.
The lifting mechanism comprises a supporting plate, a supporting shaft, lifting frames, fluted discs, extension rods, driving rods, toothed bars, pulling components and trays, wherein vertical grooves are formed in the center positions of the rear surfaces of the desk frames, the trays are connected with external electric lifting equipment in a sliding mode, the supporting plates are mounted in the desk frames, the extension rods are mounted at two ends of the supporting plate, the other ends of the extension rods are located in the extending grooves formed in the inner side walls of the desk frames, the supporting shafts are mounted at two ends of the tops of the supporting plates, the lifting frames are mounted at the tops of the supporting shafts, the toothed discs are mounted below the rear surfaces of the lifting frames, the driving rods are connected in a sliding mode at the center positions of the tops of the supporting plates, the toothed bars are mounted at two ends of the driving rods respectively, and the pulling components are mounted on the front surfaces of the driving rods.
Preferably, the fixing mechanism comprises a fixing plate, a fixing bolt, a fixing rod, an extrusion rod, a third spring frame and an extrusion pad, wherein the fixing rod is arranged on the front surface of the positioning plate, the fixing plate and the fixing bolt are arranged on the outer side wall of the fixing rod, the fixing bolt is in threaded connection with the fixing rod, the fixing plate is far away from one end of the fixing rod and is slidably connected with the extrusion rod, the extrusion pad is arranged on the rear surface of the extrusion rod, the third spring frame is arranged on the outer side wall of the extrusion rod, and the third spring frame is positioned between the extrusion pad and the fixing plate.
Preferably, the pulling assembly comprises a bearing sleeve, a bearing rod, an upper pull rod, a limiting frame and a pull plate, wherein the bearing rod is arranged on the front surface of the toothed bar, the upper pull rod is arranged on the outer side wall of the bearing rod, the pull plate is arranged on the front surface of the upper pull rod, the limiting frame is arranged at the bottom of the upper pull rod, and the limiting frame is fixedly connected with the inner side wall of the desk frame.
Preferably, the anti-drop assembly comprises a semicircular sleeve, a second spring frame and a storage groove, wherein the storage groove is formed in the outer frame and at a position corresponding to the vertical rod, two semicircular sleeves are symmetrically arranged in the storage groove, the semicircular sleeves are in sliding connection with the groove walls of the storage groove, and the second spring frame is arranged on the opposite sides of the semicircular sleeves.
Preferably, the front surface of the limiting frame is provided with a plurality of first jacks, and one end of the front surface of the pulling plate is provided with a second jack.
Preferably, the pedal is internally provided with two through grooves.
Preferably, the driving groove is formed in the rear surface of the supporting plate, and the driving groove is in sliding connection with the driving rod.
Compared with the prior art, the invention has the following beneficial effects: 1. when the inside display screen of locating plate needs to be used, can make the tray drive the locating plate of backup pad top through outside electric lifting equipment and rise to the standard position, when needs adjust the inside display screen of locating plate again, can make the actuating lever drive the inside locating plate of outer frame and go up and down under the cooperation of crane through pulling the subassembly, can make the display screen adjust suitable position through the locating plate, and then avoid the student to look up or look down the condition of watching the display screen, more comfortable when making the student watch the display screen.
2. Through pedal and back-and-forth movement, can make the locating plate of horizontal drive telescopic link top reciprocate, can adjust internally mounted's display screen position through the locating plate of back-and-forth movement, can make myopia or hyperopia classmates can keep comfortable posture to watch the display screen through this, avoid the phenomenon that the waist appears ache.
3. The display screen is arranged in the positioning plate, then the fixing rod can drive the extrusion pad to be tightly attached to the edge of the display screen all the time through the elastic force of the third spring frame, and the display screen can be fixed through the fixing rod, so that the step of using bolts for fixing is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic rear view of the desk assembly of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the rear wall of the desk assembly of FIG. 1 with the rear wall removed;
FIG. 4 is a schematic view of the connection structure between the displacement mechanism and the desk frame and between the displacement mechanism and the positioning plate in FIG. 1;
FIG. 5 is a schematic view of a connection structure between the slide rail and the slider of FIG. 4 according to the present invention;
FIG. 6 is a schematic view showing a connection structure between the lifting mechanism and the desk frame and an outer frame in FIG. 1;
FIG. 7 is a schematic view of the elevating mechanism of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a connection structure between the outer frame and the positioning plate in FIG. 1 according to the present invention;
FIG. 9 is a schematic bottom view of the inner side wall of the top of the outer frame of FIG. 8 in accordance with the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9A according to the present invention;
FIG. 11 is a schematic view of the fixing mechanism of FIG. 8 according to the present invention.
In the figure: 1. a desk frame; 2. a displacement mechanism; 3. a lifting mechanism; 4. an outer frame; 5. a positioning plate; 6. a telescopic frame; 7. a fixing mechanism; 11. a transverse groove; 12. a vertical groove; 13. an extension groove; 14. a bar-shaped groove; 21. a slide rail; 22. a cross bar; 23. a pedal; 231. a through groove; 24. a slide block; 241. an extrusion groove; 242. a connecting shaft; 25. a telescopic rod; 26. a cleat; 27. a longitudinal bar; 28. a spring bracket I; 29. pressing down a rod; 31. a support plate; 311. a driving groove; 32. a support shaft; 33. a lifting frame; 34. fluted disc; 35. an extension rod; 36. a driving rod; 37. a toothed bar; 38. pulling the assembly; 381. a bearing sleeve; 382. a support rod; 383. a pull rod; 384. a limiting frame; 3841. a first jack; 385. pulling a plate; 3851. a second jack; 39. a tray; 41. an anti-drop assembly; 411. a semicircular sleeve; 412. a second spring frame; 413. a storage groove; 51. a vertical rod; 71. a fixing plate; 72. a fixing bolt; 73. a fixed rod; 74. an extrusion rod; 75. a third spring frame; 76. and (3) extruding the pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIG. 1, an integrated practice desk device for an upper computer of an accounting teaching computer comprises a desk frame 1, a transverse groove 11 is formed in the top of the desk frame 1, an outer frame 4 is connected to the inner side wall of the top of the transverse groove 11 in a sliding manner, an anti-falling component 41 is mounted on the inner side wall of the top of the outer frame 4, a positioning plate 5 is mounted at the inner center position of the outer frame 4, three telescopic brackets 6 are mounted between the positioning plate 5 and the outer frame 4, the three telescopic brackets 6 are respectively positioned at the left outer wall, the right outer wall and the middle position of the top of the positioning plate 5, vertical rods 51 are mounted at the top of the positioning plate 5 and at positions corresponding to the anti-falling component 41, two groups of fixing mechanisms 7 are symmetrically mounted at the two ends of the front surface of the positioning plate 5, lifting mechanisms 3 are mounted at the rear of the inner side wall of the desk frame 1, displacement mechanisms 2 are mounted at the two ends of the inner side wall of the desk frame 1, and both the displacement mechanisms 2 and the lifting mechanisms 3 are connected with the outer frame 4.
As shown in fig. 3, fig. 4 and fig. 5, the displacement mechanism 2 includes a slide rail 21, a cross bar 22, a pedal 23, a sliding block 24, a telescopic rod 25, a antiskid plate 26, a vertical rod 27, a first spring frame 28 and a pressing rod 29, the slide rail 21 is installed at both ends of the inner side wall of the desk frame 1, the sliding block 24 is slidably connected above the outer side wall of the slide rail 21, four vertical rods 27 are slidably connected inside the sliding block 24, the antiskid plate 26 is installed at the bottom of the four vertical rods 27, the top of the antiskid plate 26 is in contact with the bottom of the slide rail 21, the first spring frame 28 is installed above the outer side wall of the vertical rod 27, the first spring frame 28 is located at the top of the sliding block 24, an extrusion groove 241 is further formed at the top of the sliding block 24, the top of the sliding block 24 is rotatably connected with the pedal 23 through a connecting shaft 242, the pressing rod 29 is installed at the bottom of the pedal 23, the bottom of the pressing rod 29 extends to the inside of the extrusion groove 241, the cross bar 22 is installed on the rear surface of the sliding block 24, the top of the sliding rod 22 is provided with the telescopic rod 25, the top of the telescopic rod 25 is connected with one end of the positioning plate 5, the top of the desk 1 is located at both ends of the top of the desk 11 and is located at the two ends of the transverse bar 11 and penetrates through the groove 11.
When a student needs to use a desk device, the student can drive the outer frame 4 to drive the display screen in the positioning plate 5 to rise to a proper position through the lifting mechanism 3, after sitting on the stool, the student steps on the pedal 23 to move downwards, the lower pressure rod 29 can be used for pushing the antiskid plate 26 to be separated from the bottom of the slide rail 21 through the pedal 23, then the sliding block 24 is pushed to move forwards or backwards through the foot, the telescopic rod 25 connected with the cross rod 22 can be driven to move in the moving process of the sliding block 24, then the positioning plate 5 in the outer frame 4 can be driven to move forwards or backwards through the moving telescopic rod 25, the moving positioning plate 5 can drive the display screen to move forwards or backwards under the cooperation of the telescopic rod 6, after the display screen moves to the proper position, the foot is separated from the pedal 23, the longitudinal rod 27 can drive the first spring frame 28 to compress when the foot is separated from the pedal 23, the compressed first spring frame 28 can stretch, the first spring frame 28 can stretch in the first frame 28 to drive the longitudinal rod 27 to move upwards and tightly along the bottom of the slide rail 21, and the sliding plate can be tightly contacted with the display screen 21 in the moving process of the first spring frame 28.
As shown in fig. 5, the pedal 23 is provided with two through grooves 231, and during specific operation, the vertical rod 27 is inserted into the through grooves 231 during the downward movement of the pedal 23, so that the vertical rod 27 can be prevented from blocking the pedal 23.
As shown in fig. 8, 9 and 10, the anti-falling component 41 includes a semicircular sleeve 411, a second spring rack 412 and a receiving slot 413, the receiving slot 413 is formed in the inner portion of the outer frame 4 and at a position corresponding to the upright rod 51, two semicircular sleeves 411 are symmetrically mounted in the receiving slot 413, the two semicircular sleeves 411 are slidably connected with the slot wall of the receiving slot 413, the second spring rack 412 is mounted on the opposite side of the two semicircular sleeves 411, when the positioning plate 5 is required to be reset to the inner portion of the outer frame 4 in specific work, the upright rod 51 at the top of the positioning plate 5 slides into the space between the two semicircular sleeves 411, the upright rod 51 can be fixed by the two semicircular sleeves 411 through extrusion of the second spring rack 412, and the positioning plate 5 can be prevented from automatically sliding out from the inner portion of the outer frame 4 through the upright rod 51.
As shown in fig. 2, 6 and 7, the lifting mechanism 3 comprises a supporting plate 31, a supporting shaft 32, lifting frames 33, fluted discs 34, extension rods 35, driving rods 36, toothed bars 37, a pulling assembly 38 and a tray 39, a vertical groove 12 is formed in the center position of the rear surface of the desk frame 1, the tray 39 is connected with external electric lifting equipment in a sliding manner in the vertical groove 12, the supporting plate 31 is installed in the desk frame 1, the extension rods 35 are installed at two ends of the supporting plate 31, the other ends of the two extension rods 35 are positioned in extension grooves 13 formed in the inner side wall of the desk frame 1, the supporting shafts 32 are installed at two ends of the top of the supporting plate 31, the lifting frames 33 are installed at the tops of the two supporting shafts 32, the tops of the two lifting frames 33 are connected with the outer frame 4 through rotating shafts, the fluted discs 34 are installed below the rear surfaces of the two lifting frames 33, the driving rods 36 are connected in a sliding manner in the center position of the top of the supporting plate 31, the two ends of the driving rod 36 are respectively provided with a toothed bar 37, the front surface of the driving rod 36 is provided with a pulling assembly 38, when a student needs to use the display screen, the tray 39 can drive the supporting plate 31 to move upwards through the external lifting equipment, the positioning plate 5 inside the outer frame 4 can be driven to rise to the standard position through the supporting plate 31, when the student needs to heighten the height of the display screen inside the positioning plate 5 again, the driving rod 36 can drive the toothed bar 37 to move rightwards through the pulling assembly 38, the two lifting frames 33 can be stretched through the meshing of the toothed bar 37 and the fluted disc 34, the outer frame 4 can be driven to move upwards again to the proper position through the stretched lifting frames 33, when the student needs to lower the height of the display screen inside the positioning plate 5, the driving rod 36 can be driven to move leftwards through the pulling assembly 38, by this means the height of the positioning plate 5 can be adjusted.
As shown in fig. 7, the pulling assembly 38 includes a supporting sleeve 381, a supporting rod 382, an upper pull rod 383, a limiting frame 384 and a pull plate 385, wherein the supporting rod 382 is mounted on the front surface of the toothed bar 37, the upper pull rod 383 is mounted on the outer side wall of the supporting rod 382, the pull plate 385 is mounted on the front surface of the upper pull rod 383, the limiting frame 384 is mounted at the bottom of the upper pull rod 383, the limiting frame 384 is fixedly connected with the inner side wall of the desk frame 1, and in specific operation, since the supporting plate 31 drives the outer frame 4 to rise to a standard position, the supporting rod 382 connected with the front surface of the driving rod 36 is embedded into the supporting sleeve 381, students can push the pull plate 385 leftwards or rightwards, the upper pull rod 383 can drive the supporting rod 382 inside the supporting sleeve 381 to move through the pull plate 385, then the driving plate can be mobilized to move leftwards or rightwards through the supporting rod 382, and then the driving plate moving leftwards or rightwards can adjust the height of the display screen inside the positioning plate 5.
As shown in fig. 7, a plurality of first insertion holes 3841 are formed in the front surface of the limiting frame 384, and a second insertion hole 3851 is formed at one end of the front surface of the pull plate 385, when the pull plate 385 is required to be fixed in specific operation, the second insertion holes 3851 are overlapped with one of the first insertion holes 3841, and then a worker inserts an external screw into the first insertion holes 3841 and the second insertion holes 3851, so that the pull plate 385 can be fixed.
As shown in fig. 7, a driving groove 311 is formed in the rear surface of the supporting plate 31, the driving groove 311 is slidably connected with the driving rod 36, and when the driving rod is specifically operated, the rear surface of the driving rod 36 is embedded into the driving groove 311, and the driving rod 36 can be prevented from sliding off the top of the supporting plate 31 due to the limitation of the driving groove 311.
As shown in fig. 8 and 11, the fixing mechanism 7 includes a fixing plate 71, a fixing bolt 72, a fixing rod 73, a pressing rod 74, a third spring frame 75 and a pressing pad 76, the fixing rod 73 is installed on the front surface of the locating plate 5, the fixing plate 71 and the fixing bolt 72 are installed on the outer side wall of the fixing rod 73, the fixing bolt 72 is connected with the fixing rod 73 in a threaded manner, the pressing rod 74 is slidably connected to one end of the fixing plate 71 far away from the fixing rod 73, the pressing pad 76 is installed on the rear surface of the pressing rod 74, the third spring frame 75 is installed on the outer side wall of the pressing rod 74, the third spring frame 75 is located between the pressing pad 76 and the fixing plate 71, in specific operation, when a display screen needs to be installed, a worker can place the display screen inside the locating plate 5 first, then the fixing rod 73 is used as an axis to rotate the fixing plate 71, when the pressing pad 76 at one end of the fixing plate 71 is contacted with the edge of the display screen, the fixing bolt 72 can be manually moved, when the pressing pad 76 is contacted with the display screen, the third spring frame 75 can be pressed when the pressing pad 76 is contacted with the display screen, the elastic force of the third spring frame 75 can be always driven by the pressing the third spring frame 75 to the fixing frame 75, and the display screen can be prevented from being tightly attached to the edge of the fixing screen through the fixing bolt.
The working principle of the invention is as follows: when the desk device is in use,
first, when the display screen needs to be installed, a worker can place the display screen inside the positioning plate 5, then the extrusion pad 76 at one end of the fixing plate 71 is contacted with the edge of the display screen, the extrusion pad 76 can be driven by the fixing rod 73 to be always clung to the edge of the display screen through the elastic force of the third spring frame 75, and the display screen can be fixed through the method, so that the step of using bolts for fixing is avoided.
Secondly, when the display screen is needed, the tray 39 drives the supporting plate 31 to move upwards through the external lifting device, the positioning plate 5 inside the outer frame 4 can be driven to rise to the standard position through the supporting plate 31, when the students need to adjust the height of the display screen again, the driving rod 36 can drive the toothed bar 37 to move leftwards or rightwards, the two lifting frames 33 can be stretched or folded through the fluted disc 34, and the height of the display screen inside the positioning plate 5 can be driven to be adjusted through the stretched or folded lifting frames 33.
Thirdly, the pedal 23 is stepped on and moved back and forth, the positioning plate 5 above the transverse driving telescopic rod 25 can be moved back and forth, the position of the display screen of the internal installation can be adjusted through the positioning plate 5 moved back and forth, after the position is adjusted to a proper position, the pedal 23 is loosened, and the anti-skid pad can be tightly attached to the bottom of the sliding rail 21 through the elasticity of the first spring frame 28.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an integrated practice desk device of computer on accounting teaching computer, includes desk frame (1), its characterized in that: the utility model discloses a desk, including desk frame (1), including outer frame (41), fixed establishment (7), displacement mechanism (2), outer frame (4), locating plate (5), lifting mechanism (3), displacement mechanism (2) are installed at the inside wall both ends of desk frame (1), displacement mechanism (2) and outer frame (4), respectively, horizontal groove (11) have been seted up at the top of desk frame (1), the inside sliding connection of horizontal groove (11) has outer frame (4), anti-drop subassembly (41) are installed to the inside wall of top of outer frame (4), locating plate (5) installs in the inside central point of outer frame (5), locating plate (5) installs in the inside central point of outer frame (4), install three expansion brackets (6) between locating plate (5) and outer frame (4), and displacement mechanism (2) are installed at the inside wall both ends of desk frame (1), displacement mechanism (2) and outer frame (4) are all installed in the front surface both ends symmetry of locating plate (5);
the displacement mechanism (2) comprises a sliding rail (21), a cross rod (22), pedals (23), sliding blocks (24), telescopic rods (25), a antiskid plate (26), longitudinal rods (27), a first spring frame (28) and a lower pressing rod (29), wherein the sliding rail (21) is arranged at two ends of the inner side wall of the desk frame (1), the sliding blocks (24) are slidably connected above the outer side wall of the sliding rail (21), four longitudinal rods (27) are slidably connected in the sliding block (24), the antiskid plate (26) is arranged at the bottom of each longitudinal rod (27), the top of each antiskid plate (26) is in contact with the bottom of the corresponding sliding rail (21), a spring frame (28) is arranged above the outer side wall of the longitudinal rod (27), the spring frame (28) is positioned at the top of the sliding block (24), an extrusion groove (241) is further formed in the top of the sliding block (24), the top of the sliding block (24) is rotationally connected with a pedal (23) through a connecting shaft (242), a pressing rod (29) is arranged at the bottom of the pedal (23), the bottom of the pressing rod (29) extends to the inside of the extrusion groove (241), a cross rod (22) is arranged on the rear surface of the sliding block (24), a telescopic rod (25) is arranged at the top of the cross rod (22), the top of the telescopic rod (25) is connected with one end of the positioning plate (5), strip-shaped grooves (14) are formed in the top of the desk frame (1) and located at the two ends of the transverse groove (11), and the telescopic rod (25) penetrates through the interior of the transverse groove (11);
the lifting mechanism (3) comprises a supporting plate (31), a supporting shaft (32), a lifting frame (33), fluted discs (34), extension rods (35), a driving rod (36), tooth rods (37), a pulling assembly (38) and a tray (39), wherein vertical grooves (12) are formed in the center positions of the rear surfaces of the desk frames (1), the tray (39) is connected with external electric lifting equipment in a sliding manner, the supporting plate (31) is arranged in the desk frames (1), the extension rods (35) are arranged at two ends of the supporting plate (31), the other ends of the two extension rods (35) are positioned in the extension grooves (13) formed in the inner side walls of the desk frames (1), the supporting shafts (32) are arranged at the top ends of the supporting plate (31), the lifting frames (33) are arranged at the tops of the two supporting shafts (32), the tops of the two lifting frames (33) are connected with the outer frames (4) in a sliding manner, the center positions of the two tooth rods (36) are arranged at the positions of the rear surfaces of the two lifting frames (33), the two ends of the tooth rods (36) are connected with the center positions of the driving rod (36), the front surface of the driving rod (36) is provided with a pulling assembly (38);
the pulling assembly (38) comprises a bearing sleeve (381), a bearing rod (382), an upper pull rod (383), a limiting frame (384) and a pull plate (385), wherein the bearing rod (382) is arranged on the front surface of the toothed rod (37), the upper pull rod (383) is arranged on the outer side wall of the bearing rod (382), the pull plate (385) is arranged on the front surface of the upper pull rod (383), the limiting frame (384) is arranged at the bottom of the upper pull rod (383), and the limiting frame (384) is fixedly connected with the inner side wall of the desk frame (1);
the front surface of the limiting frame (384) is provided with a plurality of first jacks (3841), and one end of the front surface of the pull plate (385) is provided with a second jack (3851).
2. The computer-on-board integrated practice desk device for accounting teaching of claim 1, wherein: the fixing mechanism (7) comprises a fixing plate (71), a fixing bolt (72), a fixing rod (73), a pressing rod (74), a third spring frame (75) and a pressing pad (76), wherein the fixing rod (73) is installed on the front surface of the locating plate (5), the fixing plate (71) and the fixing bolt (72) are installed on the outer side wall of the fixing rod (73), the fixing bolt (72) is in threaded connection with the fixing rod (73), the fixing plate (71) is far away from one end of the fixing rod (73) and is slidably connected with the pressing rod (74), the pressing pad (76) is installed on the rear surface of the pressing rod (74), the third spring frame (75) is installed on the outer side wall of the pressing rod (74), and the third spring frame (75) is located between the pressing pad (76) and the fixing plate (71).
3. The computer-on-board integrated practice desk device for accounting teaching of claim 1, wherein: the anti-drop assembly (41) comprises a semicircular sleeve (411), a second spring frame (412) and a storage groove (413), wherein the storage groove (413) is formed in the outer frame (4) and corresponds to the vertical rod (51), two semicircular sleeves (411) are symmetrically arranged in the storage groove (413), the two semicircular sleeves (411) are in sliding connection with the groove walls of the storage groove (413), and the second spring frame (412) is arranged on the opposite surfaces of the two semicircular sleeves (411).
4. The computer-on-board integrated practice desk device for accounting teaching of claim 1, wherein: a through groove (231) is formed in the pedal (23), and the number of the through grooves (231) is two.
5. The computer-on-board integrated practice desk device for accounting teaching of claim 1, wherein: the rear surface of the supporting plate (31) is provided with a driving groove (311), and the driving groove (311) is in sliding connection with the driving rod (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697830.9A CN114903289B (en) | 2022-06-20 | 2022-06-20 | Computer integrated practice desk device on accounting teaching computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697830.9A CN114903289B (en) | 2022-06-20 | 2022-06-20 | Computer integrated practice desk device on accounting teaching computer |
Publications (2)
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| CN114903289A (en) | 2022-08-16 |
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