CN214839687U - Display screen for computer teaching - Google Patents
Display screen for computer teaching Download PDFInfo
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- CN214839687U CN214839687U CN202121093358.5U CN202121093358U CN214839687U CN 214839687 U CN214839687 U CN 214839687U CN 202121093358 U CN202121093358 U CN 202121093358U CN 214839687 U CN214839687 U CN 214839687U
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- display screen
- rod
- shell
- computer teaching
- transmission rod
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Abstract
The utility model discloses a display screen for computer teaching, which comprises a display screen, wherein the bottom of the back side of the display screen is hinged with a bracket for supporting and adjusting the rotation angle of the display screen, the back support rods are rotatably connected with the top side of the bracket and are provided with two groups for supporting the display screen after rotating, a first linkage piece is arranged between the display screen and the back support rods for driving the back support rods to adjust the position while the display screen rotates, the display screen for computer teaching is provided, when the display screen is required to be prevented from being shielded, the display screen is pushed backwards, the display screen can rotate on the bracket, the center of gravity can be changed continuously after the display screen rotates to a certain degree, the display screen can be toppled over, therefore, the back support rods rotate along with the rotation of the display screen under the action of the first linkage piece, the display screen can be supported before toppling over and contacting with a desktop, avoiding the collision of the display screen.
Description
Technical Field
The utility model relates to a display screen technical field specifically is a display screen is used in computer teaching.
Background
The computer is an important tool for life entertainment and work of people, when computer teaching is carried out, students need to use the computer to carry out entity operation, and teachers need to explain relevant knowledge of the computer on a blackboard, so that theories and practices are combined, and the students can conveniently and quickly understand the computer.
Because the classroom or the computer room of general lecture, the position of the podium that mr is located all can be higher than the region that the student was located a little, and computer display also has certain height, especially in the computer room, all is the computer display screen of using always, and embedding podium form during the non-lecture causes the sheltering from of certain region to the position of blackboard easily. Therefore, a display screen for computer teaching is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a display screen is used in computer teaching to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a display screen for computer teaching comprises a display screen, wherein a support for supporting and adjusting the rotation angle of the display screen is hinged to the bottom of the rear side of the display screen;
the rear support rods are rotatably connected to the side edge of the top of the bracket and are provided with two groups for supporting the display screen after the display screen rotates;
the first linkage piece is arranged between the display screen and the rear support rod and used for driving the rear support rod to adjust the position while the display screen rotates.
Preferably, the first linkage part comprises a first gear fixedly connected to the top of the rear supporting rod, the rear supporting rod is coaxial with a shaft rotatably connected with the bracket, a second gear meshed with the first gear is fixedly connected to the display screen, and the rear supporting rod can rotate and be opened while the display screen rotates through meshing of the two gears and a certain gear ratio, so that the support is facilitated.
Preferably, sliding connection has the extension bar in the back vaulting pole, still be provided with the second linkage piece that is used for adjusting extension bar extension length on the back vaulting pole, when the pivoted, be convenient for make the extension bar stretch out, better support through the second linkage piece.
Preferably, the second linkage member includes a first bevel gear fixedly connected to the display screen and coaxial with the second bevel gear, the display screen is fixedly connected with a first housing covering the first bevel gear, the rear support rod is rotatably connected with a screw rod in threaded connection with the extension rod, one side of the rear support rod is rotatably connected with a first transmission rod, the rear support rod is further connected with a second housing covering the first transmission rod, the first housing and the second housing are both provided with sliding grooves, the first housing and the second housing are both connected with a second transmission rod through the sliding grooves in a sliding manner, both ends of the first transmission rod and the second transmission rod and the top of the screw rod are both connected with second bevel gears for meshing transmission, the first bevel gear is meshed with the second bevel gear near the end of the second transmission rod, and when the rear support rod rotates through the transmission rod, the first bevel gear and the second bevel gear, the screw rod is rotated, so that the extension rod can be quickly unfolded.
Preferably, the second transmission rod is fixedly connected with two groups of limiting plates, and the two groups of limiting plates are positioned on the inner side and the outer side of the first shell or the second shell and slide with the first shell or the second shell, so that the second transmission rod can transmit more stably.
Preferably, the bottom of extension bar is connected with the supporting pad, and is more steady when being convenient for support.
Preferably, the supporting pad is made of rubber, and has large static friction force and friction resistance.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up first linkage and back vaulting pole between display screen and support, when needing to prevent that the display screen from sheltering from, promote the display screen backward, the display screen can rotate on the support promptly, because after rotating certain degree, the focus constantly changes, the display screen may topple over, therefore the back vaulting pole rotates along with the rotation of display screen under the effect of first linkage, can support the display screen before toppling over and contacting the desktop, avoid the display screen to collide with;
2. a second linkage part is also arranged between the display screen and the rear support rod, the second linkage part can also enable the screw rod to rotate when the display screen rotates, and the extension rod extends out to better support;
3. the supporting pad enables the contact surface to be larger during supporting and enables the supporting to be more stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of area A in FIG. 1;
FIG. 3 is an enlarged view of the structure of the area B in FIG. 2;
FIG. 4 is a schematic view of a partial cross-sectional structure of a first housing on a display screen;
fig. 5 is an enlarged schematic view of the structure of the region C in fig. 4.
In the figure: 1-a display screen; 2-a scaffold; 3-rear stay bar; 4-a first linkage; 5-a first gear; 6-a second gear; 7-lengthening the rod; 8-a second linkage member; 9-a first bevel gear; 10-a first housing; 11-a screw rod; 12-a first transfer lever; 13-a second housing; 14-a sliding groove; 15-a second transmission rod; 16-a second bevel gear; 17-a limiting plate; 18-support pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, the present invention provides a technical solution: a display screen for computer teaching comprises a display screen 1, wherein a support 2 for supporting and adjusting the rotation angle of the display screen 1 is hinged to the bottom of the rear side of the display screen 1;
the rear support rods 3 are rotatably connected to the side edge of the top of the support 2 and are provided with two groups for supporting the display screen 1 after the display screen 1 rotates, the two groups of rear support rods 3 are positioned on two sides of the support 2 so as to be more stable in supporting, the display screen 1 needs to be laid down when being shielded, but the display screen 1 is provided with a screen and the support 2 and needs to be lightly taken and lightly laid down because the display screen 1 needs to be lightly taken and lightly laid down, so that the display screen is inconvenient to use, the rear support rods 3 are used for supporting the display screen when the center of gravity changes and can be inclined when the display screen rotates backwards, so that the display screen is convenient to adjust, and teaching is facilitated;
the first linkage piece 4 is arranged between the display screen 1 and the rear support rod 3 and used for driving the rear support rod 3 to adjust the position while the display screen 1 rotates.
Sliding connection has extension bar 7 in back vaulting pole 3, still be provided with the second linkage 8 that is used for adjusting extension bar 7 and stretches out length on the back vaulting pole 3, the bottom of extension bar 7 is connected with supporting pad 18, supporting pad 18 adopts the rubber material, because the length of back vaulting pole 3 is limited, consequently supports after it rotates and needs display screen slope to a great extent, consequently supports in advance through extension bar 7.
When the screen shelters from, through direct rotation display screen 1, the rotation of display screen 1 can lead to the focus hypsokinesis, consequently can rotate wholly, and when it was close to the horizontality, back vaulting pole 3 supported, formed triangular supports with the tail end of support 2, avoided the screen contact desktop.
Example two
Referring to fig. 3, 4 and 5 to describe the second embodiment, the second linkage member 8 includes a first bevel gear 9 fixedly connected to the display screen 1 and coaxial with the second gear 6, the display screen 1 is fixedly connected to a first housing 10 covering the first bevel gear 9, the rear support rod 3 is rotatably connected to a lead screw 11 in threaded connection with the extension rod 7, one side of the rear support rod 3 is rotatably connected to a first transmission rod 12, the rear support rod 3 is further connected to a second housing 13 covering the first transmission rod 12, the first housing 10 and the second housing 13 are both provided with sliding grooves 14, the first housing 10 and the second housing 13 are both slidably connected to a second transmission rod 15 through the sliding grooves 14, both ends of the first transmission rod 12 and the second transmission rod 15 and the top of the lead screw 11 are both connected to a second bevel gear 16, and the first bevel gear 9 is meshed with a second bevel gear 16 near the end of a second transmission rod 15.
When the display screen 1 rotates, the second transmission rod 15 rotates relative to the axis of the first bevel gear 9 due to the rotation of the rear support rod 3, so that the end of the second transmission rod 15 is transmitted by the second bevel gear 16 engaged with the first bevel gear, the second transmission rod 15 drives the first transmission rod 12, and further drives the screw rod 11 to rotate, and the extension rod 7 extends out.
EXAMPLE III
Referring to fig. 5 to illustrate the third embodiment, this embodiment is a further description of the second embodiment, two sets of limiting plates 17 are fixedly connected to the second transmission rod 15, and the two sets of limiting plates 17 are located inside and outside the first housing 10 or the second housing 13 and slide with the first housing, because the second transmission rod 15 is limited mainly by the gears at both ends and the sliding grooves 14, but has a certain interaction space in the axial direction, so that the stability is poor, the limiting plates 17 are used for limiting, and the contact surface between the limiting plates 17 and the housings is a spherical surface, so as to facilitate the rotation of the second transmission rod 15 around the axis of the first bevel gear 9 and the rotation of the second transmission rod itself.
It is noted that, herein, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A display screen (1) for computer teaching, comprising:
the display screen (1), the back side bottom of the display screen (1) is hinged with a bracket (2) for supporting and adjusting the rotation angle of the display screen;
the rear supporting rods (3) are rotatably connected to the side edge of the top of the bracket (2), and two groups of the rear supporting rods (3) are arranged and used for supporting the display screen (1) after the display screen rotates;
the first linkage piece (4) is arranged between the display screen (1) and the rear support rod (3) and used for driving the rear support rod (3) to adjust the position while the display screen (1) rotates.
2. A display screen (1) for computer teaching according to claim 1, characterized in that: the first linkage piece (4) comprises a first gear (5) fixedly connected to the top of the rear support rod (3), the rear support rod (3) is coaxial with a shaft rotatably connected with the support (2), and a second gear (6) meshed with the first gear (5) is fixedly connected to the display screen (1).
3. A display screen (1) for computer teaching according to claim 2, characterized in that: the rear supporting rod (3) is connected with an extension rod (7) in a sliding mode, and a second linkage piece (8) used for adjusting the extension length of the extension rod (7) is further arranged on the rear supporting rod (3).
4. A display screen (1) for computer teaching according to claim 3, characterized in that: the second linkage member (8) comprises a first bevel gear (9) fixedly connected to the display screen (1) and coaxial with the second gear (6), a first shell (10) covering the first bevel gear (9) is fixedly connected to the display screen (1), a lead screw (11) in threaded connection with the extension bar (7) is rotationally connected to the rear support bar (3), a first transmission rod (12) is rotationally connected to one side of the rear support bar (3), a second shell (13) covering the first transmission rod (12) is further connected to the rear support bar (3), sliding grooves (14) are formed in the first shell (10) and the second shell (13), a second transmission rod (15) is slidably connected to the first shell (10) and the second shell (13) through the sliding grooves (14), a second bevel gear (16) is connected to two ends of the first transmission rod (12) and the second transmission rod (15) and the top of the lead screw (11), and the first bevel gear (9) is meshed with a second bevel gear (16) at the close end of the second transmission rod (15).
5. A display screen (1) for computer teaching according to claim 4, characterized in that: two groups of limiting plates (17) are fixedly connected to the second transmission rod (15), and the two groups of limiting plates (17) are located on the inner side and the outer side of the first shell (10) or the second shell (13) and slide with the first shell or the second shell.
6. A display screen (1) for computer teaching according to claim 3, characterized in that: the bottom of the extension bar (7) is connected with a supporting pad (18).
7. A display screen (1) for computer teaching according to claim 6, characterized in that: the supporting pad (18) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093358.5U CN214839687U (en) | 2021-05-21 | 2021-05-21 | Display screen for computer teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093358.5U CN214839687U (en) | 2021-05-21 | 2021-05-21 | Display screen for computer teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214839687U true CN214839687U (en) | 2021-11-23 |
Family
ID=78775739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121093358.5U Active CN214839687U (en) | 2021-05-21 | 2021-05-21 | Display screen for computer teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214839687U (en) |
-
2021
- 2021-05-21 CN CN202121093358.5U patent/CN214839687U/en active Active
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