CN112908054A - Electronic commerce teaching platform - Google Patents
Electronic commerce teaching platform Download PDFInfo
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- CN112908054A CN112908054A CN202110160199.4A CN202110160199A CN112908054A CN 112908054 A CN112908054 A CN 112908054A CN 202110160199 A CN202110160199 A CN 202110160199A CN 112908054 A CN112908054 A CN 112908054A
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- screen
- groove
- transmission
- adjusting
- sinking groove
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention discloses an electronic commerce teaching platform, which comprises a table body and supporting legs, wherein a screen sinking groove is formed in the middle of the table body, a display screen is arranged in the screen sinking groove, and a screen lifting device is arranged at one end of the screen sinking groove and is suitable for controlling the display screen to be switched between an inner state and an outer state of the screen sinking groove; the other end of the screen sinking groove is provided with a groove blocking device, and the groove blocking device is suitable for sealing the screen sinking groove; and a driving device for providing power for the screen lifting device and the groove blocking device is also arranged in the screen sinking groove. This scheme just has two operating condition's display screen through setting up in sinking the screen inslot, can switch the use under the control of playing the screen device, rises the screen when needs use the computer, alright receive it to play the screen inslot when need not to use, in addition, the setting of keeping off the groove device then can not use the display screen the screen groove involution that will sink to this alright improve the utilization ratio in desktop space greatly, the practicality is strong.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to an electronic commerce teaching platform.
Background
The electronic commerce teaching platform is the instrument that is used for carrying out network electronic commerce teaching usefulness, and current electronic commerce teaching in-process, because computer display screen need place and study on the table body, this just makes the available space of desktop significantly reduce, and is comparatively inconvenient at the in-process of teaching.
Disclosure of Invention
The invention aims to: the electronic commerce teaching platform is capable of receiving a computer display screen into a desk body.
The technical scheme adopted by the invention is as follows:
the utility model provides an electronic commerce teaching platform, includes the table body and supporting legs, the intermediate position of the table body is provided with heavy screen groove, it is provided with the display screen to sink screen inslot, the display screen includes two at least operating condition: the first working state: the display screen is positioned in the screen sinking groove; the second working state: the display screen is positioned above the table body; a screen lifting device is arranged at one end of the screen sinking groove and is suitable for controlling the display screen to be switched between two working states; the other end of the screen sinking groove is provided with a groove blocking device, and the groove blocking device is suitable for sealing the screen sinking groove; and a driving device for providing power for the screen lifting device and the groove blocking device is also arranged in the screen sinking groove. The setting just has two operating condition's display screen at heavy screen inslot, can switch the use under the control of playing the screen device, rises the screen when needs use the computer, alright receive it to play the screen inslot when need not to use, in addition, the setting of keeping off the groove device then can be when not using the display screen with heavy screen groove involution to this alright improve the utilization ratio in desktop space greatly, the practicality is strong.
Preferably, the screen lifting device comprises a screen lifting wheel rotatably arranged in the screen sinking groove, a transmission rod is fixedly arranged on the screen lifting wheel, and the display screen is hinged to one end, far away from the screen lifting wheel, of the transmission rod. Go up the screen wheel and go up the transfer line and articulate the display screen that sets up on the transfer line, can adjust the height of display screen through the rotation of controlling the screen wheel to change convenient to use through the orientation of articulated department to the display screen.
It is worth mentioning that the hinge joint is usually provided with an elastic fastener, and the locking force of the elastic fastener is set to be slightly larger than the gravity of the display screen, so that the display screen can not rotate along the hinge joint under the action of the gravity when in use.
Preferably, one end of the screen lifting wheel rotating shaft is provided with screen lifting teeth, a first transmission gear meshed with the screen lifting teeth is arranged in the screen sinking groove, and the first transmission gear is in transmission connection with the output end of the driving device. The screen lifting gear and the first transmission gear are arranged to transmit the output of the driving device to the screen lifting wheel, so that the driving effect is guaranteed.
Preferably, the other end of the screen lifting wheel rotating shaft is provided with a detection wheel, the detection wheel is provided with an infrared generator, the side wall of the screen sinking groove is provided with an infrared receiver matched with the infrared generator, the infrared receiver is arranged in an annular shape, and the infrared receiver and the detection wheel are coaxially arranged. The setting of the annular infrared receiver coaxially arranged on the infrared generator on the detection wheel and the side wall of the screen sinking groove can detect the rotation angle of the screen wheel in real time through different position signals received by the infrared receiver, so that the phenomenon that the rotation amplitude is too large, the damage to the display screen is caused, and the safety performance is improved.
Preferably, the screen groove blocking device comprises a first blocking plate and a second blocking plate, a vertical rail is arranged on the side wall of one end, away from the screen lifting device, of the screen groove, a vertical sliding block matched with the vertical rail is arranged on the first blocking plate, a horizontal rail is arranged on the side wall of the opening of the screen groove, a horizontal sliding block matched with the horizontal rail is arranged on the second blocking plate, and the second blocking plate is suitable for sliding to the position above the screen lifting device through the horizontal rail. Vertical track and first baffle, the setting of horizontal track and second baffle, when the display screen uses, can slide first baffle down, the second baffle pushes away to first baffle top, can not cause the influence to the roll-out of display screen, when the display screen is received and is sunk the screen inslot, can be with second baffle water level smooth to the display screen top, first baffle then goes up to sinking screen groove opening part, will sink screen groove involution through the cooperation of two baffles, convenient to use person uses the desktop.
Preferably, an offset groove is formed in the bottom end of the second baffle, offset teeth are arranged in the offset groove, a second transmission gear meshed with the offset teeth is rotatably arranged in the screen sinking groove, the second transmission gear is in transmission connection with the output end of the driving device, and a distance sensor is further arranged at an opening at the top end of the screen sinking groove and faces the second baffle. The setting of skew groove, skew tooth and second drive gear then is used for transmitting drive arrangement's output to the second baffle, controls the slip of second baffle, and distance sensor's setting is then used for detecting the position of second baffle, avoids the second baffle to continue control when moving to extreme position, plays the effect of preventing staying.
Preferably, the bottom end of the first baffle is provided with a positioning rod, the bottom end of the screen sinking groove is provided with a positioning groove matched with the positioning rod, the positioning rod is wound with a lifting pressure spring, and one end of the first baffle, which is close to the screen lifting device, and one end of the second baffle, which is far away from the screen lifting device, are both provided with guide arc surfaces. The setting of locating lever, lifting pressure spring then can be when first baffle and second baffle separation through the elasticity of pressure spring with first baffle jack-up to heavy screen groove opening part, when the second baffle return, will be pushed down by the second baffle under the effect of direction cambered surface to reach automatic adjustment's effect, convenient operation.
Preferably, heavy screen tank bottom is provided with the power groove, drive arrangement is including setting up driving motor in the power groove, be provided with drive gear in driving motor's the pivot, still be provided with the backup pad in the power groove, the backup pad is "U" type setting, drive gear is located the backup pad is inboard, the backup pad inboard rotate be provided with the adjusting gear that drive gear meshing set up, rotate on the power groove lateral wall be connected with play the first belt pulley that screen device transmission is connected and with the second belt pulley that manger device transmission is connected. The driving motor and the driving gear are arranged in the power groove and used for providing power output, the supporting plate and the adjusting gear meshed with the driving gear are arranged and used for driving the first belt pulley and the second belt pulley respectively through the deviation of the adjusting gear, and the first belt pulley and the second belt pulley are respectively connected with the first transmission gear and the second transmission gear through belts so as to transmit the output of the driving motor to a specified position.
Preferably, the backup pad top is provided with the control room, control room bottom opening sets up, parallel arrangement has a plurality of support columns in the control room, the cover is equipped with the sliding block on the support column, sliding block downwardly extending is provided with two at least fixed rotating shaft, the regulation gear both ends cover is established in the fixed rotating shaft, follow on the control room lateral wall the support column direction still is provided with the regulation telescopic link, the piston end of adjusting the telescopic link passes the control room with the sliding block contact sets up, the control room is kept away from the one end of adjusting the telescopic link still is provided with the regulation pressure spring, it is around establishing to adjust the pressure spring on the support column. Adjust indoor support column and sliding block, fixed rotating shaft's setting for adjusting gear can freely carry out the level and slide, adjusts the setting of telescopic link, then is used for controlling adjusting gear's horizontal position, makes it cooperate with first belt pulley and second belt pulley respectively, and the setting of adjusting the pressure spring then can promote the sliding block and hug closely the regulation telescopic link piston, guarantees the control effect to adjusting gear position.
Preferably, the two end faces of the adjusting gear are further provided with transmission convex blocks, the end faces of the first belt pulley and the second belt pulley, which are close to one side of the adjusting gear, are provided with transmission grooves matched with the transmission convex blocks, and the transmission convex blocks are arranged in a cross shape. The cross-shaped transmission lug is used for respectively transmitting the output of the adjusting gear to the first belt pulley and the second belt pulley, can ensure stable transmission of transmission output, and is suitable for popularization and use.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the display screens which are arranged in the screen sinking grooves and have two working states can be switched to use under the control of the screen lifting device, the screen is lifted when a computer is needed to be used, and can be retracted into the screen lifting groove when the computer is not needed to be used.
2. According to the invention, the infrared ray generator on the detection wheel and the annular infrared ray receiver coaxially arranged on the side wall of the screen sinking groove are arranged, so that the rotation angle of the screen lifting wheel can be detected in real time through different position signals received by the infrared ray receiver, the condition that the display screen is damaged due to overlarge rotation amplitude is avoided, and the safety performance is improved.
3. According to the invention, through the arrangement of the vertical rail, the first baffle, the horizontal rail and the second baffle, when the display screen is used, the first baffle can slide downwards, the second baffle is pushed above the first baffle, the roll-out of the display screen cannot be influenced, when the display screen is retracted into the screen sinking groove, the second baffle can be horizontally and smoothly moved above the display screen, the first baffle slides upwards to the opening of the screen sinking groove, and the screen sinking groove is sealed through the matching of the two baffles, so that the operation is convenient.
4. According to the invention, through the arrangement of the offset groove, the offset teeth and the second transmission gear, the output of the driving device is transmitted to the second baffle plate to control the sliding of the second baffle plate, and the arrangement of the distance sensor is used for detecting the position of the second baffle plate to prevent the second baffle plate from being continuously controlled when the second baffle plate runs to the limit position, so that the foolproof effect is achieved.
5. According to the invention, the adjusting gear can freely horizontally slide by adjusting the arrangement of the indoor supporting column, the sliding block and the fixed rotating shaft, the arrangement of the telescopic rod is adjusted to control the horizontal position of the adjusting gear to be respectively matched with the first belt pulley and the second belt pulley, and the arrangement of the adjusting pressure spring can push the sliding block to be tightly attached to the piston of the adjusting telescopic rod, so that the control effect on the position of the adjusting gear is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic front sectional view of the present invention.
FIG. 2 is a schematic side sectional view of the present invention.
Fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2.
Fig. 4 is an enlarged schematic view of the region B in fig. 2.
The labels in the figure are: 1-a table body, 2-supporting feet, 3-a screen sinking groove, 4-a display screen, 5-a screen lifting wheel, 6-a transmission rod, 7-a screen lifting tooth, 8-a first transmission wheel, 9-a detection wheel, 10-an infrared ray generator, 11-an infrared ray receiver, 12-a first baffle, 13-a second baffle, 14-a vertical track, 15-a vertical slide block, 16-a horizontal track, 17-a horizontal slide block, 18-an offset groove, 19-an offset tooth, 20-a second transmission gear, 21-a distance sensor, 22-a positioning rod, 23-a positioning groove, 24-a lifting pressure spring, 25-a guide arc surface, 26-a power groove, 27-a driving motor, 28-a driving gear, 29-a supporting plate and 30-an adjusting gear, 31-a first belt pulley, 32-a second belt pulley, 33-an adjusting chamber, 34-a supporting column, 35-a sliding block, 36-a fixed rotating shaft, 37-an adjusting telescopic rod, 38-an adjusting pressure spring, 39-a transmission lug and 40-a transmission groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
As shown in fig. 1-4, an electronic commerce teaching platform, includes the table body 1 and supporting legs 2, the intermediate position of the table body 1 is provided with heavy screen groove 3, be provided with display screen 4 in the heavy screen groove 3, display screen 4 includes two at least operating condition: the first working state: the display screen 4 is positioned in the screen sinking groove 3; the second working state: the display screen 4 is positioned above the table body 1; a screen lifting device is arranged at one end of the screen sinking groove 3 and is suitable for controlling the display screen 4 to be switched between two working states; the other end of the screen sinking groove 3 is provided with a groove blocking device, and the groove blocking device is suitable for sealing the screen sinking groove 3; the screen sinking groove 3 is also internally provided with a driving device for providing power for the screen lifting device and the groove blocking device; the screen lifting device comprises a screen lifting wheel 5 which is rotatably arranged in the screen sinking groove 3, a transmission rod 6 is fixedly arranged on the screen lifting wheel 5, and the display screen 4 is hinged to one end, far away from the screen lifting wheel 5, of the transmission rod 6; a screen lifting tooth 7 is arranged at one end of a rotating shaft of the screen lifting wheel 5, a first transmission gear meshed with the screen lifting tooth 7 is arranged in the screen sinking groove 3, and the first transmission gear is in transmission connection with the output end of the driving device; a detection wheel 9 is arranged at the other end of the rotating shaft of the screen lifting wheel 5, an infrared ray generator 10 is arranged on the detection wheel 9, an infrared ray receiver 11 matched with the infrared ray generator 10 is arranged on the side wall of the screen sinking groove 3, the infrared ray receiver 11 is arranged in an annular shape, and the infrared ray receiver 11 and the detection wheel 9 are arranged coaxially; the screen lifting device comprises a screen lifting device and a screen stopping device, wherein the screen stopping device comprises a first baffle and a second baffle 13, a vertical rail 14 is arranged on the side wall of one end, away from the screen lifting device, of the screen sinking groove 3, a vertical slide block 15 matched with the vertical rail 14 is arranged on the first baffle 12, a horizontal rail 16 is arranged on the side wall of an opening of the screen sinking groove 3, a horizontal slide block 17 matched with the horizontal rail 16 is arranged on the second baffle 13, and the second baffle 13 is suitable for sliding to the position above the screen lifting device through the horizontal rail 16; the bottom end of the second baffle 13 is provided with an offset groove 18, an offset tooth 19 is arranged in the offset groove 18, a second transmission gear 20 meshed with the offset tooth 19 is rotatably arranged in the screen sinking groove 3, and the second transmission gear 20 is in transmission connection with the output end of the driving device; a positioning rod 22 is arranged at the bottom end of the first baffle plate 12, a positioning groove 23 matched with the positioning rod 22 is arranged at the bottom end of the screen sinking groove 3, a lifting pressure spring 24 is wound on the positioning rod 22, and a guide arc surface 25 is arranged at one end of the first baffle plate 12 close to the screen lifting device and one end of the second baffle plate 13 far away from the screen lifting device; a power groove 26 is arranged at the bottom end of the screen sinking groove 3, the driving device comprises a driving motor 27 arranged in the power groove 26, a driving gear 28 is arranged on a rotating shaft of the driving motor 27, a supporting plate 29 is further arranged in the power groove 26, the supporting plate 29 is arranged in an inverted U shape, the driving gear 28 is positioned on the inner side of the supporting plate 29, an adjusting gear 30 meshed with the driving gear 28 is rotatably arranged on the inner side of the supporting plate 29, and a first belt pulley 31 in transmission connection with the screen lifting device and a second belt pulley 32 in transmission connection with the screen blocking groove device are rotatably connected to the side wall of the power groove 26; an adjusting chamber 33 is arranged at the top end of the supporting plate 29, an opening is formed in the bottom end of the adjusting chamber 33, a plurality of supporting columns 34 are arranged in the adjusting chamber 33 in parallel, a sliding block 35 is sleeved on each supporting column 34, at least two fixed rotating shafts 36 are arranged in the sliding block 35 in a downward extending mode, two ends of each adjusting gear 30 are sleeved in the corresponding fixed rotating shafts 36, an adjusting telescopic rod 37 is further arranged on the side wall of the adjusting chamber 33 along the direction of the corresponding supporting column 34, the piston end of the adjusting telescopic rod 37 penetrates through the adjusting chamber 33 to be in contact with the sliding block 35, an adjusting pressure spring 38 is further arranged at one end, far away from the adjusting telescopic rod 37, of the adjusting chamber 33, and the adjusting pressure spring 38 is wound; the two end faces of the adjusting gear 30 are also provided with transmission convex blocks 39, the end faces of the first belt pulley 31 and the second belt pulley 32 close to one side of the adjusting gear 30 are provided with transmission grooves 40 matched with the transmission convex blocks 39, and the transmission convex blocks 39 are arranged in a cross shape.
In the using process, when the display screen 4 needs to be used, the adjusting telescopic rod 37 is firstly controlled to extend out, the transmission convex block 39 on the adjusting gear 30 is matched with the transmission groove 40 on the second belt pulley 32 through the sliding block 35, then the driving motor 27 is started, the second baffle plate 13 is driven to deflect towards the first baffle plate 12 through the sequential transmission of the driving gear 28, the adjusting gear 30, the second belt pulley 32, the second transmission gear 20 and the deflection tooth 19, the first baffle plate 12 is pressed downwards through the guide arc surface 25 on the second baffle plate 13 and the first baffle plate 12 until the distance sensor 21 senses that the distance between the second baffle plate 13 and the distance sensor 21 reaches a specified value (at the moment, the second baffle plate 13 leaves the space above the display screen 4), the driving motor 27 is controlled to close, meanwhile, the adjusting telescopic rod 37 is controlled to retract until the transmission convex block 39 on the adjusting gear 30 is matched with the transmission groove 40 on the first belt pulley 31, then, the driving motor 27 is turned on again (reversed), and the screen lifting wheel 5 is driven to rotate through sequential transmission of the driving gear 28, the adjusting gear 30, the first belt pulley 31 and the first transmission gear, so that the display screen 4 is screwed out from the screen sinking groove 3 until the infrared receiver 11 senses that the offset angle of the detection wheel 9 reaches a specified value (the offset angle can be freely set and is usually set to be 30-90 degrees), the driving motor 27 is controlled to be turned off, at this time, the display screen 4 is manually rotated, and the display screen 4 can be normally used after the angle is adjusted to a proper viewing angle.
When the display screen 4 is used and needs to be retracted, the angle between the display screen 4 and the transmission rod 6 is manually adjusted to the initial position, then the driving motor 27 is controlled to rotate to drive the screen lifting wheel 5 to rotate reversely, when the infrared receiver 11 senses that the offset angle of the detection wheel 9 returns to the initial value, the driving motor 27 is controlled to be turned off, meanwhile, the adjusting telescopic rod 37 is controlled to extend until a transmission bump 39 on the adjusting gear 30 is matched with a transmission groove 40 on the second belt pulley 32, then the driving motor 27 is started again (reversed), the second baffle 13 is driven to deviate towards the direction of the display screen 4, and the driving motor 27 is closed until the distance between the second baffle 13 and the distance sensor 21 is sensed to return to an initial value, at the moment, the first baffle 12 can be lifted upwards to a limit position under the action of the lifting pressure spring 24 and is just matched with the second baffle 13, and the screen sinking groove 3 is sealed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an electronic commerce teaching platform, includes the table body (1) and supporting legs (2), its characterized in that, the intermediate position of the table body (1) is provided with heavy screen groove (3), be provided with display screen (4) in heavy screen groove (3), wherein:
the display screen (4) comprises at least two operating states:
the first working state: the display screen (4) is positioned in the screen sinking groove (3);
the second working state: the display screen (4) is positioned above the table body (1);
one end of the screen sinking groove (3) is provided with a screen lifting device, and the screen lifting device is suitable for controlling the display screen (4) to be switched between two working states;
the other end of the screen sinking groove (3) is provided with a groove blocking device, and the groove blocking device is suitable for sealing the screen sinking groove (3);
and a driving device for providing power for the screen lifting device and the groove blocking device is further arranged in the screen sinking groove (3).
2. The electronic commerce teaching platform as claimed in claim 1, wherein the screen lifting device comprises a screen lifting wheel (5) rotatably arranged in the screen sinking groove (3), a transmission rod (6) is fixedly arranged on the screen lifting wheel (5), and the display screen (4) is hinged to one end of the transmission rod (6) far away from the screen lifting wheel (5).
3. The electronic commerce teaching platform as claimed in claim 2, wherein one end of the rotation shaft of the screen lifting wheel (5) is provided with a screen lifting tooth (7), the screen sinking groove (3) is provided with a first transmission gear meshed with the screen lifting tooth (7), and the first transmission gear is in transmission connection with the output end of the driving device.
4. The electronic commerce teaching platform as claimed in claim 3, wherein the other end of the rotation shaft of the screen lifting wheel (5) is provided with a detection wheel (9), the detection wheel (9) is provided with an infrared ray generator (10), the side wall of the screen sinking groove (3) is provided with an infrared ray receiver (11) matched with the infrared ray generator (10), the infrared ray receiver (11) is arranged in a ring shape, and the infrared ray receiver (11) and the detection wheel (9) are arranged coaxially.
5. The e-commerce teaching platform as claimed in claim 1, wherein the baffle slot device comprises a first baffle plate and a second baffle plate (13), a vertical rail (14) is disposed on a side wall of the screen sinking slot (3) far away from one end of the screen lifting device, a vertical slider (15) matched with the vertical rail (14) is disposed on the first baffle plate (12), a horizontal rail (16) is disposed on a side wall of an opening of the screen sinking slot (3), a horizontal slider (17) matched with the horizontal rail (16) is disposed on the second baffle plate (13), and the second baffle plate (13) is adapted to slide above the screen lifting device through the horizontal rail (16).
6. An e-commerce teaching platform according to claim 5, wherein the second baffle (13) is provided with an offset groove (18) at the bottom end, an offset tooth (19) is provided in the offset groove (18), a second transmission gear (20) engaged with the offset tooth (19) is rotatably provided in the screen sinking groove (3), the second transmission gear (20) is in transmission connection with the output end of the driving device, and a distance sensor (21) is further provided at the opening at the top end of the screen sinking groove (3) facing the second baffle (13).
7. The electronic commerce teaching platform of claim 5, wherein a positioning rod (22) is arranged at the bottom end of the first baffle plate (12), a positioning groove (23) matched with the positioning rod (22) is arranged at the bottom end of the screen sinking groove (3), a lifting pressure spring (24) is wound on the positioning rod (22), and a guiding cambered surface (25) is arranged at one end of the first baffle plate (12) close to the screen lifting device and one end of the second baffle plate (13) far away from the screen lifting device.
8. The e-commerce instruction platform of any one of claims 1-7, characterized in that a power groove (26) is arranged at the bottom end of the screen sinking groove (3), the driving device comprises a driving motor (27) arranged in the power groove (26), a driving gear (28) is arranged on a rotating shaft of the driving motor (27), a supporting plate (29) is also arranged in the power groove (26), the supporting plate (29) is arranged in an inverted U shape, the driving gear (28) is positioned at the inner side of the supporting plate (29), an adjusting gear (30) meshed with the driving gear (28) is rotatably arranged on the inner side of the supporting plate (29), and a first belt pulley (31) in transmission connection with the screen lifting device and a second belt pulley (32) in transmission connection with the groove blocking device are rotatably connected to the side wall of the power groove (26).
9. The electronic commerce teaching platform of claim 8, wherein an adjusting chamber (33) is disposed at the top end of the supporting plate (29), an opening is disposed at the bottom end of the adjusting chamber (33), a plurality of supporting columns (34) are disposed in parallel in the adjusting chamber (33), a sliding block (35) is sleeved on each supporting column (34), at least two fixed rotating shafts (36) are disposed in a downward extending manner on each sliding block (35), both ends of the adjusting gear (30) are sleeved in the fixed rotating shafts (36), an adjusting telescopic rod (37) is further disposed on the side wall of the adjusting chamber (33) along the direction of each supporting column (34), a piston end of the adjusting telescopic rod (37) passes through the adjusting chamber (33) to be in contact with the sliding block (35), and an adjusting pressure spring (38) is further disposed at one end of the adjusting chamber (33) far away from the adjusting telescopic rod (37), the adjusting pressure spring (38) is wound on the supporting column (34).
10. The electronic commerce teaching platform of claim 9, wherein the two end faces of the adjusting gear (30) are further provided with transmission protrusions (39), the end faces of the first belt pulley (31) and the second belt pulley (32) near the adjusting gear (30) are provided with transmission grooves (40) matched with the transmission protrusions (39), and the transmission protrusions (39) are arranged in a cross shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160199.4A CN112908054B (en) | 2021-02-05 | 2021-02-05 | Electronic commerce teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160199.4A CN112908054B (en) | 2021-02-05 | 2021-02-05 | Electronic commerce teaching platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112908054A true CN112908054A (en) | 2021-06-04 |
| CN112908054B CN112908054B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110160199.4A Active CN112908054B (en) | 2021-02-05 | 2021-02-05 | Electronic commerce teaching platform |
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| CN (1) | CN112908054B (en) |
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| CN211672941U (en) * | 2019-12-21 | 2020-10-16 | 泰州邦驰茂元安全技术有限公司 | A consultation platform for business information consultation |
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| DE29910808U1 (en) * | 1999-06-22 | 1999-12-30 | Stiene Wilhelm | Device for moving flat screens in vertical and horizontal axes |
| KR200439181Y1 (en) * | 2007-01-19 | 2008-03-26 | 주식회사 씨피에스 | Auto desk for LCD monitor |
| WO2010046731A1 (en) * | 2008-10-24 | 2010-04-29 | Hans-Peter Benning | Computer desk |
| WO2013098946A1 (en) * | 2011-12-27 | 2013-07-04 | Ｎｅｃディスプレイソリューションズ株式会社 | Display device and display system provided with same |
| CN106983282A (en) * | 2017-03-20 | 2017-07-28 | 曹书航 | A kind of lazyboot's desk on bed |
| CN108354335A (en) * | 2018-01-24 | 2018-08-03 | 马亦苗 | A kind of Multifunctional student desk |
| WO2019151989A1 (en) * | 2018-01-30 | 2019-08-08 | Hewlett-Packard Development Company, L.P. | Display devices |
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|---|---|
| CN112908054B (en) | 2022-11-22 |
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