PC display host based on digital three-dimensional technology

Abstract

The embodiment of the invention provides a PC display host based on a digital three-dimensional technology, and relates to the technical field of PC display hosts. The PC display host based on the digital three-dimensional technology comprises a base, and symmetrical adjusting rails are arranged on one side of the base. A telescopic rod is inserted into an inserting hole, when a driving wheel rotates, a transmission piece drives a third gear to rotate, the third gear drives the telescopic rod and a third rotating rod to rotate, then a second gear is meshed with a first gear, a bidirectional lead screw is promoted to rotate, a sliding block drives a displayer to move downwards, and a protection plate moves upwards; meanwhile, a driving wheel is meshed with an eccentric wheel, so that a connecting rod drives a first swing rod, a cross rod drives a second swing rod to swing left and right, first cleaning cotton and second cleaning cotton clean dust on the surface of the displayer, the displayer is prevented from being exposed to the outside for a long time, and meanwhile the definition of the displayer is improved.

Description

Technical Field

[0001] The present application relates to the technical field of PC display host, and in particular to a PC display host based on digital three-dimensional technology. Background Art

[0002] As the boiler operation time increases, the boiler burns a large amount of low-quality economic coal with low heat, high sulfur, high ash, low melting point, etc. The heating surface works in a harsh environment for a long time, and the probability of ash accumulation, coking, corrosion, wear, over-temperature and tube burst is very high. The problems of safe operation and effective maintenance of the boiler are prominent. The four-tube leakage shows an increasing trend in the proportion of non-shutdown of the unit. How to effectively analyze the degree of harm caused by creep, wear, etc. to the boiler metal pipes is crucial to reducing the four-tube leakage of the boiler.

[0003] Therefore, a set of boiler information management software is needed to make full use of and mine historical data using big data and machine learning, provide guidance on maintenance and operation, assist technical personnel in making more accurate decisions on equipment maintenance management, and provide more valuable early warning judgments for operation; at the same time, the boiler is three-dimensionally modeled and the relevant data is displayed on the three-dimensional diagram of the boiler. This can not only help technicians see the boiler status more intuitively and facilitate problem analysis, but also facilitate technical and boiler structure training for new employees.

[0004] After constructing the maintenance model of the boiler through 3D technology, the display host is usually required to display the boiler model, so as to observe the status of the boiler more intuitively. However, when the display host is exposed to the external environment for a long time, some dust and dirt will accumulate on the display screen. These dust and dirt will have a negative impact on the display screen, resulting in unclear images or shadows, which will affect the observation of the boiler condition. Summary of the invention

[0005] The present application aims to solve at least one of the technical problems in the prior art that dust and dirt are accumulated on the display screen, which has a negative impact on the display screen, causing unclear images or shadows, thereby affecting the observation of the boiler situation. To this end, the present application proposes a PC display host based on digital three-dimensional technology.

[0006] According to an embodiment of the present application, a PC display host based on digital three-dimensional technology includes a base, one side of the base is provided with symmetrical adjustment rails, display components are slidably connected in the two adjustment rails, a protective plate is slidably provided on the lower side of the adjustment rails, and a cleaning component is installed at the lower end of one side of the base. When the cleaning component is in operation, the height of the display component is adjusted and the display component is cleaned.

[0007] According to some embodiments of the present application, the display assembly includes two sliders that are slidably disposed in two adjustment rails respectively, the two sliders are connected by a connecting plate, and the display is movably connected to the lower side of the connecting plate.

[0008] According to some embodiments of the present application, a rotating hole is opened on the upper side of the display, a rotating rod 1 is fixedly provided on the lower side of the connecting plate, and the lower end of the rotating rod 1 is rotatably connected to the display through the rotating hole.

[0009] According to some embodiments of the present application, fixing grooves are symmetrically provided on the upper side of the base, and the fixing grooves are slidably connected to the frame of the display.

[0010] According to some embodiments of the present application, the cleaning component includes an eccentric wheel rotatably arranged on the side wall of the base, the eccentric shaft of the eccentric wheel is connected to one end of the connecting rod, the other end of the connecting rod is hinged to the lower end of the swing rod, the part of the swing rod near the upper end is rotatably connected to the side wall of the base, one side of the swing rod is connected to a cleaning cotton, a driving wheel is rotatably provided on the side wall of the base, the rotating shaft of the driving wheel is connected to the output shaft of the micro motor, and the driving wheel is meshed with the eccentric wheel.

[0011] According to some embodiments of the present application, the first swing arm is hinged to one end of the cross bar, the other end of the cross bar is hinged to the second swing arm, the lower end of the second swing arm is rotatably connected to the side wall of the base, and the upper end of the second swing arm is provided with cleaning cotton 2.

[0012] According to some embodiments of the present application, a bidirectional screw is rotatably provided in one of the adjusting rails, the lower end of the bidirectional screw is connected to a second rotating rod, the second rotating rod is rotatably connected to the bottom of the adjusting rail, the bidirectional screw passes through a partition provided in the adjusting rail and is rotatably connected to the partition, the upper end of the bidirectional screw is threadedly connected to one of the sliders, and the lower end of the bidirectional screw is threadedly connected to one side of the protective plate.

[0013] According to some embodiments of the present application, a gear one is connected to the lower end of the bidirectional screw rod, a gear two is rotatably provided at the bottom of a slide groove opened on one side of the adjustment rail, the gear two is meshed with the gear one, the rotating shaft of the gear two is connected to one end of a rotating rod three, a telescopic rod is slidably provided in an opening opened at the other end of the rotating rod three, a gear three is rotatably provided on the side wall of the base, the gear three is connected to the driving wheel through a transmission member, a socket is opened at one end of the rotating shaft of the gear three, and the telescopic rod is plugged into and matched with the socket.

[0014] According to some embodiments of the present application, sliding holes are symmetrically opened on the inner walls on both sides of the insertion hole, and sliding bars are provided at both ends of the telescopic rod, and the sliding bars are slidably connected to the sliding holes.

[0015] According to some embodiments of the present application, a through slot is provided on the rotating rod, and a protrusion is provided at one end of the telescopic rod, and the protrusion is slidably arranged in the through slot.

[0016] 1. The beneficial effect of the present application is as follows: by inserting the telescopic rod into the socket, when the driving wheel rotates, the transmission member drives the gear three to rotate, so that the gear three drives the telescopic rod and the rotating rod three to rotate, and then the gear two is meshed with the gear one, so that the two-way screw rod rotates, and then the slider drives the display to move downward, and the protective plate moves upward to shield the display. At the same time, the driving wheel is meshed with the eccentric wheel, so that the connecting rod drives the swing rod one and the cross bar drives the swing rod two to swing left and right, so that the cleaning cotton one and the cleaning cotton two clean the dust on the surface of the display, which not only avoids the display from being exposed to the outside world for a long time, but also improves the clarity of the display.

[0017] 2. The beneficial effect of the present application is that by rotating the bidirectional screw, the slider moves with the display, the display is moved out of the fixed slot, and the use height of the display is adjusted. Combined with the rotation of the rotating rod and the rotating hole, the angle of the display can be adjusted to meet the usage needs of different users.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure and usage status of a PC display host based on digital three-dimensional technology according to an embodiment of the present application;

[0021] Figure 2 is a schematic diagram of the overall structure after rotation according to an embodiment of the present application;

[0022] Figure 3 is a schematic diagram of the rear side of the overall structure in a cleaning state according to an embodiment of the present application;

[0023] Figure 4 is a front side schematic diagram of the overall structure in a cleaning state according to an embodiment of the present application;

[0024] Figure 5 is a schematic diagram of a base structure according to an embodiment of the present application;

[0025] Figure 6 is a schematic diagram of the structure of a dust cleaning component according to an embodiment of the present application;

[0026] Figure 7 According to the embodiment of the present application Figure 6 A schematic diagram of the structure at A;

[0027] Figure 8 It is a schematic diagram of the disassembly of the display component structure according to an embodiment of the present application.

[0028] Icons: 1. Base; 11. Adjustment rail; 12. Slide; 13. Fixed slot; 14. Partition; 2. Protective plate; 3. Display assembly; 31. Connecting plate; 32. Slider; 33. Rotating rod one; 34. Display; 35. Rotating hole; 4. Cleaning assembly; 41. Eccentric wheel; 411. Driving wheel; 42. Connecting rod; 43. Rocker rod one; 44. Cross bar; 45. Rocker rod two; 46. Cleaning cotton one; 47. Cleaning cotton two; 48. Bidirectional screw; 481. Rotating rod two; 482. Gear one; 483. Gear two; 484. Rotating rod three; 485. Through slot; 486. Telescopic rod; 487. Slide bar; 488. Bump; 49. Gear three; 491. Socket; 492. Sliding hole; 493. Transmission part. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0030] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] A PC display host based on digital three-dimensional technology according to an embodiment of the present application is described below with reference to the accompanying drawings.

[0038] like Figures 1 to 8 As shown, according to an embodiment of the present application, a PC display host based on digital three-dimensional technology includes a base 1, one side of the base 1 is provided with a symmetrical adjustment rail 11, and a display component 3 is slidably connected in the two adjustment rails 11. The display component 3 can slide in the adjustment rail 11 to adjust the use height and change to a state that can be cleaned.

[0039] Display component 3 is used to display the boiler image modeled based on 3D technology, build a 3D browsing display platform through 3D technology, construct a 3D model of the boiler, and display various parts of the boiler in 3D to facilitate observation of the boiler's usage status. At the same time, the boiler heating surface drawings are comprehensively sorted out, basic data ledgers are specified, the heating surface material, wall thickness and other data are clarified, the heating surface maintenance data is improved, a boiler maintenance management module is constructed, maintenance information retrieval and query are realized, a system management module is constructed, hierarchical management is realized, and management authority is clarified according to maintenance information entry, review, browsing and other information to realize boiler maintenance.

[0040] like Figure 8 As shown, the display assembly 3 includes two sliders 32 respectively slidably arranged in two adjustment rails 11, and the two sliders 32 are connected by a connecting plate 31. The lower side of the connecting plate 31 is movably connected with a display 34. The height of the display 34 is adjusted by the sliding connection of the sliders 32 in the adjustment rails 11, so that the display 34 can be adjusted according to the usage requirements of different users.

[0041] In addition, fixing grooves 13 are symmetrically provided on the upper side of the base 1 , and the two side frames of the display 34 slide in the two fixing grooves 13 . The fixing grooves 13 are used to improve the stability of the display 34 .

[0042] When dust accumulates on the surface of the display 34, the dust needs to be cleaned, so a protective plate 2 is slidably provided on the lower side of the adjustment rail 11, and a cleaning component 4 is installed at the lower end of one side of the base 1. When the cleaning component 4 is in operation, the height of the display component 3 is adjusted and the display component 3 is cleaned.

[0043] Since the cleaning component 4 is installed on the other side of the base 1, in order to allow the display 34 to be cleaned, a rotating hole 35 is opened on the upper side of the display 34, and a rotating rod 33 is fixed on the lower side of the connecting plate 31. Since the lower end of the rotating rod 33 is rotatably connected to the display 34 through the rotating hole 35, when the display 34 is disengaged from the fixing groove 13, the display 34 is rotated one hundred and eighty degrees so that the display 34 faces the side of the cleaning component 4.

[0044] like Figure 6 As shown, the cleaning component 4 includes an eccentric wheel 41 rotatably arranged on the side wall of the base 1, and a driving wheel 411 is rotatably arranged on the side wall of the base 1. The rotating shaft of the driving wheel 411 is connected to the output shaft of the micro motor. When the micro motor is powered on, the driving wheel 411 is driven to rotate, and the eccentric wheel 41 is meshed with the driving wheel 411, so that the eccentric wheel 41 follows the rotation.

[0045] Since the eccentric shaft of the eccentric wheel 41 is connected to one end of the connecting rod 42, and the other end of the connecting rod 42 is hinged to the lower end of the rocker arm 43, when the connecting rod 42 is moved by the eccentric wheel 41, the rocker arm 43 is prompted to swing. In order to improve the stability of the rocker arm 43, the part of the rocker arm 43 close to the upper end is rotatably connected to the side wall of the base 1, and when the rocker arm 43 swings, the cleaning cotton 46 connected to one side of the rocker arm 43 is prompted to swing to clean the surface of the display 34.

[0046] Furthermore, the swing rod 1 43 is hinged to one end of the cross bar 44, and the other end of the cross bar 44 is hinged to the swing rod 2 45. When the swing rod 1 43 swings, it drives the cross bar 44 to move, so that the lower end of the swing rod 2 45 is rotatably connected to the side wall of the base 1, and the cross bar 44 swings with the swing rod 2 45, prompting the cleaning cotton 2 47 at the upper end of the swing rod 2 45 to assist the cleaning cotton 1 46 in cleaning the display 34, thereby improving the cleaning efficiency.

[0047] When cleaning the display 34, it is necessary to move the display 34 to the height position of the dust cleaning component 4. Therefore, a two-way screw rod 48 is rotatably provided in one of the adjustment rails 11. The lower end of the two-way screw rod 48 is connected to a rotating rod 2 481. The rotating rod 2 481 is rotatably connected to the bottom of the adjustment rail 11. The two-way screw rod 48 passes through the partition 14 set in the adjustment rail 11 and is rotatably connected to the partition 14. At the same time, the two-way screw rod 48 is symmetrical with the center and the thread directions of the upper and lower ends are opposite, and are divided by the partition 14. Since the upper end of the two-way screw rod 48 is threadedly connected to one of the sliders 32, and the lower end of the two-way screw rod 48 is threadedly connected to one side of the protective plate 2, when the two-way screw rod 48 rotates, the slider 32 carries the display 34 downward. At this time, the protective plate 2 moves upward, and the protective plate 2 presents an arc-shaped structure protruding outward, which is used to shield the display 34 when cleaning, thereby improving the protection of the display 34 and extending the service life of the display 34.

[0048] like Figure 6 and Figure 7 As shown, in order to make the bidirectional lead screw 48 rotate together with the driving wheel 411, a gear 1 482 is connected to the lower end of the bidirectional lead screw 48, and a gear 2 483 is rotatably provided at the bottom of the slide slot 12 opened on one side of the adjustment rail 11. Through the engagement of gear 2 483 with gear 1 482, gear 1 482 can cause the bidirectional lead screw 48 to rotate.

[0049] Furthermore, a gear three 49 is rotatably provided on the side wall of the base 1, and the gear three 49 is connected to the driving wheel 411 through a transmission member 493, wherein the transmission member 493 is two belt pulleys respectively fixed on the rotating shafts of the gear three 49 and the driving wheel 411, and a belt sleeved on the two belt pulleys. When the driving wheel 411 rotates, the gear three 49 is driven by the transmission member 493 to follow the rotation, and at the same time, a socket 491 is provided at one end of the rotating shaft of the gear three 49, and the socket 491 is used to connect with the gear two 483. Secondly, the rotating shaft of the gear two 483 is connected to one end of the rotating rod three 484, and a telescopic rod 486 is slidably provided in the opening provided at the other end of the rotating rod three 484, and the telescopic rod 486 is pulled out so that the telescopic rod 486 is plugged into the socket 491, so that when the gear three 49 rotates, the gear two 483 is rotated by the driving of the telescopic rod 486 and the rotating rod three 484.

[0050] like Figure 7 As shown, sliding holes 492 are symmetrically opened on the inner walls on both sides of the insertion hole 491, and sliding bars 487 are provided at both ends of the telescopic rod 486. After the telescopic rod 486 is inserted into the insertion hole 491, the sliding bar 487 enters the sliding hole 492, and the telescopic rod 486 is displayed through the sliding hole 492, so that when the gear three 49 rotates, it can stably rotate with the telescopic rod 486.

[0051] It is worth mentioning that a through slot 485 is provided on the rotating rod three 484, and a protrusion 488 is provided at one end of the telescopic rod 486. After the telescopic rod 486 slides out of the rotating rod three 484, the protrusion 488 slides in the through slot 485 at the same time. The through slot 485 is used to restrict the telescopic rod 486, so that when the telescopic rod 486 rotates, it can rotate with the rotating rod three 484.

[0052] Specifically, the working principle of the PC display host based on digital three-dimensional technology is as follows: when in use, the display 34 is snapped into the fixing slot 13, and the display 34 is fixed by the fixing slot 13, while the dust cleaning component 4 is located at the rear side of the display 34 and fits with the rear side of the display 34 to support the display 34;

[0053] When adjusting the display 34, the telescopic rod 486 is inserted into the socket 491, and the micro motor is started to rotate the driving wheel 411, and the gear 3 49 is rotated by the driving of the transmission member 493. At this time, the telescopic rod 486 inserted into the gear 3 49 drives the rotating rod 3 484 to rotate with the gear 2 483, and the meshing of the gear 2 483 and the gear 1 482 is used to rotate the bidirectional screw rod 48, so that the slider 32 moves upward with the display 34 to adjust the height of the display 34. When the display 34 moves out of the fixing slot 13, the display 34 is rotated to change the angle of the display 34.

[0054] When the display 34 is rotated to one hundred and eighty degrees, the display 34 faces the cleaning component 4. At this time, the display 34 is moved downward by rotating the bidirectional screw rod 48, and the protective plate 2 is moved upward to cover the display 34 for protection. When the driving wheel 411 rotates, the eccentric wheel 41 meshing therewith is rotated, and the eccentric wheel 41 operates with the connecting rod 42, and the connecting rod 42 drives the swing rod 1 43 to swing left and right, and the cross bar 44 drives the swing rod 2 45 to swing left and right, so that the cleaning cotton 1 46 and the cleaning cotton 2 47 clean the descending display 34 synchronously. Secondly, when the display 34 cannot be lowered, the micro motor can be paused, and the telescopic rod 486 can be pulled out from the socket 491, so that the display 34 is fixed in the fixing slot 13. After the micro motor is started again, the cleaning component 4 is prompted to continue to clean the display 34 to prevent dust accumulation when the display 34 is not in use.

[0055] The above are only embodiments of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0056] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A PC display host based on digital three-dimensional technology, characterized in that: include: A base (1), one side of the base (1) is provided with symmetrical adjustment rails (11), a display assembly (3) is slidably connected inside the two adjustment rails (11), a protective plate (2) is slidably provided on the lower side of the adjustment rails (11), a dust cleaning assembly (4) is installed at the lower end of one side of the base (1), and when the dust cleaning assembly (4) is in operation, the height of the display assembly (3) is adjusted and the display assembly (3) is cleaned.

2. The PC display host based on digital three-dimensional technology according to claim 1, characterized in that: The display assembly (3) comprises two sliders (32) respectively slidably arranged in two adjustment rails (11); the two sliders (32) are connected via a connecting plate (31); and a display (34) is movably connected to the lower side of the connecting plate (31).

3. The PC display host based on digital three-dimensional technology according to claim 2, characterized in that: A rotating hole (35) is provided on the upper side of the display (34), a rotating rod (33) is fixedly provided on the lower side of the connecting plate (31), and the lower end of the rotating rod (33) is rotatably connected to the display (34) through the rotating hole (35).

4. The PC display host based on digital three-dimensional technology according to claim 3, characterized in that: A fixing groove (13) is symmetrically provided on the upper side of the base (1), and the fixing groove (13) is slidably connected to the frame of the display (34).

5. The PC display host based on digital three-dimensional technology according to claim 4, characterized in that: The dust cleaning component (4) comprises an eccentric wheel (41) rotatably arranged on the side wall of the base (1); the eccentric shaft of the eccentric wheel (41) is connected to one end of a connecting rod (42); the other end of the connecting rod (42) is hinged to the lower end of a swing rod (43); the portion of the swing rod (43) close to the upper end is rotatably connected to the side wall of the base (1); one side of the swing rod (43) is connected to a cleaning cotton (46); a driving wheel (411) is rotatably arranged on the side wall of the base (1); the rotating shaft of the driving wheel (411) is connected to the output shaft of the micro motor; the driving wheel (411) is meshed with the eccentric wheel (41).

6. The PC display host based on digital three-dimensional technology according to claim 5, characterized in that: The first swing rod (43) is hinged to one end of the cross rod (44), the other end of the cross rod (44) is hinged to the second swing rod (45), the lower end of the second swing rod (45) is rotatably connected to the side wall of the base (1), and the upper end of the second swing rod (45) is provided with a cleaning cotton second (47).

7. The PC display host based on digital three-dimensional technology according to claim 1, characterized in that: A bidirectional screw rod (48) is rotatably provided in one of the adjustment rails (11), the lower end of the bidirectional screw rod (48) is connected to a second rotating rod (481), the second rotating rod (481) is rotatably connected to the bottom of the adjustment rail (11), the bidirectional screw rod (48) passes through a partition (14) provided in the adjustment rail (11) and is rotatably connected to the partition (14), the upper end of the bidirectional screw rod (48) is threadedly connected to one of the sliders (32), and the lower end of the bidirectional screw rod (48) is threadedly connected to one side of the protective plate (2).

8. The PC display host based on digital three-dimensional technology according to claim 7, characterized in that: The lower end of the bidirectional screw rod (48) is connected with a gear 1 (482); a gear 2 (483) is rotatably provided at the bottom of a slide groove (12) opened on one side of the adjustment rail (11); the gear 2 (483) is meshed with the gear 1 (482); the rotating shaft of the gear 2 (483) is connected with one end of a rotating rod 3 (484); a telescopic rod (486) is slidably provided in an opening opened at the other end of the rotating rod 3 (484); a gear 3 (49) is rotatably provided on the side wall of the base (1); the gear 3 (49) is connected with the driving wheel (411) through a transmission member (493); a socket (491) is opened at one end of the rotating shaft of the gear 3 (49); the telescopic rod (486) is plugged into and matched with the socket (491).

9. The PC display host based on digital three-dimensional technology according to claim 8, characterized in that: Sliding holes (492) are symmetrically provided on the inner walls of both sides of the insertion hole (491), and sliding bars (487) are provided at both ends of the telescopic rod (486), and the sliding bars (487) are slidably connected to the sliding holes (492).

10. The PC display host based on digital three-dimensional technology according to claim 8, characterized in that: The rotating rod (484) is provided with a through slot (485), and one end of the telescopic rod (486) is provided with a protrusion (488), and the protrusion (488) is slidably arranged in the through slot (485).

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