CN114909580A

CN114909580A - Demonstration screen for visual transmission

Info

Publication number: CN114909580A
Application number: CN202210660854.7A
Authority: CN
Inventors: 林曼吉
Original assignee: Jiangxi University of Technology
Current assignee: Jiangxi University of Technology
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-08-16
Anticipated expiration: 2042-06-13
Also published as: CN114909580B

Abstract

The invention relates to the technical field of demonstration screens, and discloses a demonstration screen for visual transmission, which solves the problem that a common demonstration screen is inconvenient to adjust according to actual needs in the using process and has poor demonstration effect; the lifting assembly comprises a lifting motor connected with the mounting groove, an output shaft of the lifting motor is connected with a bidirectional screw rod, the bidirectional screw rod is rotatably connected with the mounting groove, the directions of threads at two ends of the bidirectional screw rod are opposite, and lower sliding blocks are symmetrically in threaded connection with the bidirectional screw rod; according to the invention, the lifting assembly and the adjuster are matched for use, so that the angle adjusting process can be completed according to actual requirements.

Description

Demonstration screen for visual transmission

Technical Field

The invention belongs to the technical field of demonstration screens, and particularly relates to a demonstration screen for visual transmission.

Background

Visual transmission design is a professional name set by related schools and refers to a design that a designer transmits various information to a receiver by using plane visual symbols, namely characters, illustrations and signs. Its main function is to spread and spread. The visual transmission design profession is often called as a plane design, and relates to a plurality of fields, for example, various plane advertisements on newspapers and magazines, billboards on two sides of roads, lamp boxes and the like belong to the field of visual transmission design. In the design science, the contents mainly comprise advertisement design, printing design, book framing design, poster design, product packaging design, enterprise image design (VI design), display design, digital image design and the like, wherein a demonstration screen is often used for demonstration.

In the using process of a common demonstration screen, the demonstration screen is inconvenient to adjust according to actual needs, and the demonstration effect is poor.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the demonstration screen for visual transmission, which effectively solves the problem that the demonstration effect is poor due to the fact that the common demonstration screen is inconvenient to adjust according to actual needs in the using process.

In order to achieve the purpose, the invention provides the following technical scheme: a demonstration screen for visual transmission comprises a base, wherein a mounting groove is formed in the base, a lifting assembly is arranged in the mounting groove and is connected with a mounting seat, the mounting seat is rotatably connected with a demonstration screen body, and a display assembly for driving the demonstration screen body is arranged on the mounting seat; the lifting component comprises a lifting motor connected with the mounting groove, an output shaft of the lifting motor is connected with the bidirectional screw, the bidirectional screw is connected with the mounting groove in a rotating mode, the thread directions of two ends of the bidirectional screw are opposite, the bidirectional screw is provided with lower sliding blocks in a symmetrical threaded connection mode, the lower sliding blocks are connected with the mounting groove in a sliding mode, the two lower sliding blocks are connected with the X-shaped rod in a rotating mode, the X-shaped rod rotates around the pin shaft, the X-shaped rod is connected with the two upper sliding blocks in a rotating mode, one of the upper sliding blocks is connected with the mounting seat, and the other upper sliding block is connected with the mounting seat in a sliding mode.

Preferably, a sliding groove is formed in the mounting seat and is connected with the other upper sliding block in a sliding manner, a sliding rod is connected in the sliding groove and is sleeved with a stabilizing spring, and the sliding rod is connected with the other upper sliding block in a penetrating manner.

Preferably, the X-shaped rod comprises two insertion rods hinged to each other, one of the insertion rods comprises a lower rod body and an upper rod body, and the lower rod body is connected with the upper rod body through a regulator.

Preferably, the regulator is including installing in the internal motor of lower beam, and the output and the adjusting screw of motor are connected, adjusting screw and screw threaded connection, and it is internal that the screw is seted up in the upper boom, has all seted up the guide way in the upper boom and the lower beam, and sliding connection has the guide post in the guide way, connects through the guide bar between the guide post.

Preferably, the bottom of base still symmetry is provided with the eyelidretractor, and the eyelidretractor includes the gear of being connected with two-way screw rod meshing, and the gear is connected with the lead screw, and lead screw and screw thread section of thick bamboo threaded connection, screw thread section of thick bamboo are connected with the mounting panel, and the universal wheel is installed to the mounting panel bottom, and symmetrical connection has the stabilizing block on the mounting panel, stabilizing block and stabilizing slot sliding connection, and stabilizing slot symmetry is seted up in the support section of thick bamboo, and the support section of thick bamboo is connected with the base.

Preferably, the display assembly comprises a strip-shaped plate connected with the mounting seat, the strip-shaped plate is connected with a display motor, an output shaft of the display motor is connected with a rotating wheel, the edge of the rotating wheel is connected with a rotating shaft, the rotating shaft is connected with a moving block, the moving block is movably connected with a connecting frame, the connecting frame is rotatably connected with the mounting seat, the connecting frame is rotatably connected with a connecting plate, and the connecting plate is connected with the demonstration screen body.

Preferably, a moving groove and a through groove are formed in the connecting frame respectively, the moving groove is connected with the moving block in a sliding mode, and the through groove is connected with the mounting seat in a rotating mode.

Preferably, still be provided with little pendulum part on the mount pad, little pendulum part includes rotates the first body of rod of being connected with the pivot, and the first body of rod rotates with the second body of rod to be connected, and the second body of rod rotates with the U-shaped frame to be connected, U-shaped frame and this body coupling of demonstration screen.

Preferably, a strip-shaped opening is formed in the mounting seat, and the second rod body is connected with the strip-shaped opening in an inserting mode.

Compared with the prior art, the invention has the beneficial effects that:

1) in the work, through the matching use of the arranged lifting component, the regulator and the like, when the inclination angle of the demonstration screen body needs to be regulated so as to achieve a better demonstration effect, only the motor is needed to drive the regulating screw rod to rotate, the regulating screw rod drives the upper rod body to move in a threaded mode, the upper rod body drives the corresponding upper sliding block to move, the mounting base rotates around the other upper sliding block, and the angle regulation process can be completed according to actual needs;

2) in the work, the universal wheels can be stored when the demonstration screen body is used through the matching of the lifting assembly and the support, the support is used for supporting the demonstration screen body, the stability of the demonstration screen body in the showing process is improved, the universal wheels are moved out when the demonstration screen body is not used, and therefore the universal wheels can be conveniently moved, and the occupied space is smaller than that of the demonstration screen body in the using process when the demonstration screen body is not used, so that the demonstration screen body is convenient to transport after the demonstration screen body is used;

3) in work, the demonstration screen body can be driven to swing back and forth within a certain angle range through the arranged display component by matching the arranged display component and the micro-pendulum component, so that the display effect of the demonstration screen body is improved; and at the in-process that demonstration screen body back and forth swing carried out the show, the use of the little pendulum part of cooperation can drive the demonstration screen body and carry out slight rocking to can make that the observer can be comprehensive observe the article on the demonstration screen body, avoid the subregion to appear the white spot because of the reflection of light and cause the bandwagon effect relatively poor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the lifting assembly of the present invention;

FIG. 4 is a schematic view of the regulator of the present invention;

FIG. 5 is a schematic view of the support structure of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a base; 101. mounting grooves; 2. a lifting assembly; 201. a lifting motor; 202. a bidirectional screw; 203. a lower slide block; 204. an X-shaped bar; 2041. a lower rod body; 2042. a rod body is arranged; 205. a pin shaft; 206. an upper slide block; 3. a mounting seat; 301. a chute; 302. a slide bar; 303. a stabilizing spring; 4. a demonstration screen body; 5. a support; 501. a gear; 502. a screw rod; 503. a threaded barrel; 504. mounting a plate; 505. a universal wheel; 506. a stabilizing block; 507. a stabilizing slot; 508. a support cylinder; 6. a regulator; 601. a motor; 602. adjusting the screw rod; 603. a screw hole; 604. a guide groove; 605. a guide rod; 606. a guide post; 7. a display assembly; 701. a strip plate; 702. displaying the motor; 703. a rotating wheel; 704. a rotating shaft; 705. a moving block; 706. a connecting frame; 7061. a moving groove; 7062. a through groove; 707. a connecting plate; 8. a micro-pendulum member; 801. a first rod body; 802. a second rod body; 803. a U-shaped frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 6, the demonstration screen comprises a base 1, wherein a mounting groove 101 is formed in the base 1, a lifting assembly 2 is arranged in the mounting groove 101, the lifting assembly 2 is connected with a mounting seat 3, the mounting seat 3 is rotatably connected with a demonstration screen body 4, and a display assembly 7 for driving the demonstration screen body 4 is arranged on the mounting seat 3; the lifting component 2 comprises a lifting motor 201 connected with the mounting groove 101, an output shaft of the lifting motor 201 is connected with a bidirectional screw 202, the bidirectional screw 202 is rotatably connected with the mounting groove 101, the directions of threads at two ends of the bidirectional screw 202 are opposite, lower sliding blocks 203 are symmetrically and threadedly connected on the bidirectional screw 202, the lower sliding blocks 203 are slidably connected with the mounting groove 101, the two lower sliding blocks 203 are rotatably connected with an X-shaped rod 204, the X-shaped rod 204 rotates around a pin shaft 205, the X-shaped rod 204 is rotatably connected with the two upper sliding blocks 206, one upper sliding block 206 is connected with the mounting seat 3, and the other upper sliding block 206 is slidably connected with the mounting seat 3; a sliding groove 301 is formed in the mounting base 3, the sliding groove 301 is connected with the other upper sliding block 206 in a sliding manner, a sliding rod 302 is connected in the sliding groove 301, a stabilizing spring 303 is sleeved on the sliding rod 302, and the sliding rod 302 is connected with the other upper sliding block 206 in a penetrating manner;

when the demonstration screen body 4 is needed to be used, only the lifting motor 201 is needed to drive the bidirectional screw 202 to rotate, and the thread directions of the two ends of the bidirectional screw 202 are opposite, so that the bidirectional screw 202 can drive the two lower sliding blocks 203 to approach each other, the two lower sliding blocks 203 drive the two upper sliding blocks 206 to move through driving the X-shaped rod 204, one of the upper sliding blocks 206 slides in the sliding groove 301 along the sliding rod 302, so that the mounting seat 3 rotates along the other upper sliding block 206, thereby enabling the mounting seat 3 to be in an inclined state after lifting is completed, the mounting seat 3 is matched with the stabilizing spring 303 to improve the stability after stopping of the mounting seat 3, the mounting seat 3 drives the demonstration screen body 4 on the mounting seat to move and enable the demonstration screen body to be in an inclined state, at this time, an object to be fixed on the demonstration screen body 4 through a clip, exhibition can be carried out, and the operation is convenient.

In the second embodiment, on the basis of the first embodiment, the X-shaped rod 204 includes two insertion rods hinged to each other, one of the insertion rods includes a lower rod 2041 and an upper rod 2042, and the lower rod 2041 is connected to the upper rod 2042 through the adjuster 6; the adjuster 6 comprises a motor 601 arranged in the lower rod 2041, the output end of the motor 601 is connected with an adjusting screw 602, the adjusting screw 602 is in threaded connection with a screw hole 603, the screw hole 603 is arranged in the upper rod 2042, guide grooves 604 are formed in the upper rod 2042 and the lower rod 2041, guide posts 606 are connected in the guide grooves 604 in a sliding manner, and the guide posts 606 are connected through guide rods 605;

when the inclination angle of the demonstration screen body 4 needs to be adjusted so as to achieve a better demonstration effect, the motor 601 only needs to drive the adjusting screw 602 to rotate, the adjusting screw 602 drives the upper rod 2042 to move in a threaded manner, and the upper rod 2042 drives the corresponding upper sliding block 206 to move, so that the mounting base 3 rotates around the other upper sliding block 206, and the angle adjusting process can be completed according to actual needs; through the cooperation of the guide rod 605 and the guide groove 604, the stability of the upper rod 2042 and the lower rod 2041 during relative movement can be ensured.

Third embodiment, on the basis of the first embodiment, the bottom end of the base 1 is further symmetrically provided with a support 5, the support 5 comprises a gear 501 engaged with the bidirectional screw 202, the gear 501 is connected with a screw 502, the screw 502 is in threaded connection with a threaded cylinder 503, the threaded cylinder 503 is connected with an installation plate 504, the bottom end of the installation plate 504 is provided with a universal wheel 505, the installation plate 504 is symmetrically connected with a stabilizing block 506, the stabilizing block 506 is in sliding connection with a stabilizing groove 507, the stabilizing groove 507 is symmetrically arranged in a support cylinder 508, and the support cylinder 508 is connected with the base 1;

when not using demonstration screen body 4, universal wheel 505 stretches out the support section of thick bamboo 508 outside this moment, be convenient for remove its whole through universal wheel 505, when needs use demonstration screen body 4, with its whole position department that moves to suitable through universal wheel 505, when driving demonstration screen body 4 through lifting unit 2, two-way screw 202 in it drives gear 501 through the engaged mode and rotates, gear 501 drives lead screw 502 and rotates, lead screw 502 drives screw section of thick bamboo 503 through the mode of screw thread and removes, screw section of thick bamboo 503 drives universal wheel 505 through driving mounting panel 504 and removes, thereby make universal wheel 505 accomodate the inside of support section of thick bamboo 508, support through support section of thick bamboo 508, avoid it to take place the slip phenomenon.

In the fourth embodiment, on the basis of the first embodiment, the display assembly 7 includes a strip-shaped plate 701 connected with the mounting base 3, the strip-shaped plate 701 is connected with a display motor 702, an output shaft of the display motor 702 is connected with a rotating wheel 703, the edge of the rotating wheel 703 is connected with a rotating shaft 704, the rotating shaft 704 is connected with a moving block 705, the moving block 705 is movably connected with a connecting frame 706, the connecting frame 706 is rotatably connected with the mounting base 3, the connecting frame 706 is rotatably connected with a connecting plate 707, the connecting plate 707 is connected with the demonstration screen body 4, a moving groove 7061 and a through groove 7062 are respectively formed in the connecting frame 706, the moving groove 7061 is slidably connected with the moving block 705, and the through groove 7062 is rotatably connected with the mounting base 3;

when the demonstration screen body 4 needs to swing back and forth for demonstration, only the demonstration motor 702 needs to be used for driving the rotating wheel 703 to rotate, the rotating wheel 703 drives the rotating shaft 704 to rotate, the rotating shaft 704 drives the moving block 705 to rotate, the moving block 705 drives the connecting frame 706 to move through driving the moving groove 7061, the connecting frame 706 is made to swing back and forth around the mounting seat 3, and the connecting frame 706 drives the demonstration screen body 4 to swing back and forth within a certain angle range through driving the connecting plate 707, so that the demonstration effect of the demonstration screen body 4 is improved.

Fifth embodiment, on the basis of the fourth embodiment, a micro-swing member 8 is further disposed on the mounting base 3, the micro-swing member 8 includes a first rod 801 rotatably connected to the rotating shaft 704, the first rod 801 is rotatably connected to a second rod 802, the second rod 802 is rotatably connected to a U-shaped frame 803, the U-shaped frame 803 is connected to the demonstration screen body 4, a bar-shaped opening is formed in the mounting base 3, and the second rod 802 is inserted into the bar-shaped opening;

in-process that demonstration screen body 4 back and forth movement carried out the show, pivot 704 drives first body of rod 801 motion, and first body of rod 801 drives second body of rod 802 motion, and second body of rod 802 drives demonstration screen body 4 through driving U-shaped frame 803 and carries out slight rocking to can make that the observer can be comprehensive observe the article on demonstration screen body 4, avoid the subregion to appear the white spot because of the reflection of light and cause the bandwagon effect relatively poor.

It should be noted that, in this document, relational terms such as first and second, and the like are 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

1. A demonstration screen for visual communication, comprising a base (1), characterized in that: the demonstration screen comprises a base (1), and is characterized in that a mounting groove (101) is formed in the base (1), a lifting assembly (2) is arranged in the mounting groove (101), the lifting assembly (2) is connected with a mounting seat (3), the mounting seat (3) is rotatably connected with a demonstration screen body (4), and a display assembly (7) for driving the demonstration screen body (4) is arranged on the mounting seat (3);

lifting unit (2) include elevator motor (201) of being connected with mounting groove (101), the output shaft and the two-way screw rod (202) of elevator motor (201) are connected, two-way screw rod (202) rotate with mounting groove (101) and are connected, the both ends screw thread opposite direction of two-way screw rod (202), symmetrical threaded connection has lower slider (203) on two-way screw rod (202), lower slider (203) and mounting groove (101) sliding connection, two lower slider (203) all rotate with X shape pole (204) and are connected, X shape pole (204) rotate around round pin axle (205), X shape pole (204) all rotate with two upper slider (206) and are connected, one of them upper slider (206) are connected with mount pad (3), another upper slider (206) and mount pad (3) sliding connection.

2. A presentation screen for visual communication according to claim 1, wherein: the mounting base (3) is internally provided with a sliding groove (301), the sliding groove (301) is connected with the other upper sliding block (206) in a sliding mode, a sliding rod (302) is connected in the sliding groove (301), the sliding rod (302) is sleeved with a stabilizing spring (303), and the sliding rod (302) is connected with the other upper sliding block (206) in a penetrating mode.

3. A presentation screen for visual communication according to claim 1, wherein: x shape pole (204) are including the inserted bar of mutual articulated, and one of them inserted bar includes down the body of rod (2041) and goes up the body of rod (2042), is connected through regulator (6) between the body of rod (2041) and the last body of rod (2042) down.

4. A presentation screen for visual communication according to claim 3, wherein: regulator (6) are including installing motor (601) in body of rod (2041) down, the output and adjusting screw (602) of motor (601) are connected, adjusting screw (602) and screw (603) threaded connection, screw (603) are seted up in last body of rod (2042), guide way (604) have all been seted up in last body of rod (2042) and body of rod (2041) down, sliding connection has guide post (606) in guide way (604), connect through guide bar (605) between guide post (606).

5. A presentation screen for visual communication according to claim 4, wherein: the bottom of base (1) still the symmetry is provided with eyelidretractor (5), eyelidretractor (5) include gear (501) with two-way screw rod (202) meshing connection, gear (501) are connected with lead screw (502), lead screw (502) and screw thread section of thick bamboo (503) threaded connection, screw thread section of thick bamboo (503) are connected with mounting panel (504), universal wheel (505) are installed to mounting panel (504) bottom, symmetrical connection has on mounting panel (504) stabilizes piece (506), stabilize piece (506) and stable groove (507) sliding connection, stable groove (507) symmetry is seted up in a support section of thick bamboo (508), a support section of thick bamboo (508) is connected with base (1).

6. A presentation screen for visual communication according to claim 1, wherein: the demonstration screen is characterized in that the demonstration component (7) comprises a strip-shaped plate (701) connected with the mounting seat (3), a demonstration motor (702) is connected onto the strip-shaped plate (701), a rotating wheel (703) is connected onto an output shaft of the demonstration motor (702), a rotating shaft (704) is connected to the edge of the rotating wheel (703), the rotating shaft (704) is connected with a moving block (705), the moving block (705) is movably connected with a connecting frame (706), the connecting frame (706) is rotatably connected with the mounting seat (3), the connecting frame (706) is rotatably connected with a connecting plate (707), and the connecting plate (707) is connected with the demonstration screen body (4).

7. A presentation screen for visual communication according to claim 6, wherein: a moving groove (7061) and a through groove (7062) are formed in the connecting frame (706), the moving groove (7061) is connected with the moving block (705) in a sliding mode, and the through groove (7062) is connected with the mounting base (3) in a rotating mode.

8. A presentation screen for visual communication according to claim 7, wherein: still be provided with on mount pad (3) and put part (8) a little, put part (8) a little and include first body of rod (801) of being connected with pivot (704) rotation, first body of rod (801) rotate with the second body of rod (802) and be connected, second body of rod (802) rotate with U-shaped frame (803) and be connected, U-shaped frame (803) are connected with demonstration screen body (4).

9. A presentation screen for visual communication according to claim 8, wherein: the mounting seat (3) is provided with a strip-shaped opening, and the second rod body (802) is connected with the strip-shaped opening in an inserting mode.