Projection device for visual communication design

Abstract

The invention relates to a projection device for visual communication design, and belongs to the technical field of visual communication, the projection device comprises an adjusting mechanism, a locking mechanism is arranged at the top of the adjusting mechanism, a protection mechanism is arranged at the top of the locking mechanism, a limiting assembly is arranged on the protection mechanism, and a pressing plate is fixed on the limiting assembly. According to the projection device for the visual communication design, the rotating rod rotates to drive the driving gear to rotate, so that overall lifting is driven through the meshing effect and the thread effect, the use flexibility of the device is improved, energy is supplied through the servo motor, overall rotation is achieved under the transmission effect, the use flexibility is improved, energy is supplied through the air cylinder, and the practicability is high. The bottom shell is clamped and locked by the locking plate, the detachable function of the device is achieved, the projection flexibility of the device is improved through height adjustment and angle adjustment of the whole device, the detachable design of the projector is achieved through the locking mechanism, the adjusting effect of the whole device is good, and use convenience is high.

Description

Technical Field

[0001] The invention relates to the technical field of visual communication, in particular to a projection device used for visual communication design. Background Art

[0002] Visual communication design is an active behavior that spreads specific information through visual forms. It mainly relies on visual elements, such as logos, typography, paintings, graphic design, illustrations, colors, and electronic devices to create two-dimensional image performance. Visual communication design is not just a simple graphic or text design. It focuses more on conveying specific information through artistic forms with a certain purpose as the guide and influencing the audience. Projection devices are used in visual communication design.

[0003] For example, a Chinese patent (publication number: CN115657411A) is a projection device for visual communication design, which belongs to the field of projection devices. By setting a lens protection cover, the lens can be shielded and protected when the projection device is not used for a long time, reducing the adsorption of dust and impurities on the lens. In conjunction with a driving component and a cleaning component, when the projection device is installed at a high place, the cover can be automatically opened and the lens can be automatically cleaned during use, greatly extending the service life of the lens and the clarity of the lens during projection. In addition, the filter component can switch different filter effects through the action of the magnetic field when performing visual communication design, thereby obtaining different projection effects. During actual projection, adjustments can also be made to obtain the best projection effect.

[0004] This patent achieves the extension of the service life of the lens and clear projection of the lens by protecting and cleaning the lens, but the projector cannot automatically adjust the projection direction, which is inconvenient to use. Therefore, a projection device for visual communication design is proposed to solve the above-mentioned problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a projection device for visual communication design, which has the advantages of being easy to use and solves the problem of inconvenient projection adjustment.

[0006] To achieve the above object, the present invention provides the following technical solution: a projection device for visual communication design, comprising an adjustment mechanism, a locking mechanism is provided on the top of the adjustment mechanism, a protective mechanism is provided on the top of the locking mechanism, a limiting assembly is provided on the protective mechanism, and a pressing plate is fixed on the limiting assembly;

[0007] The adjusting mechanism includes a chassis, a fixed seat is fixed on the top of the chassis, a movable ring is movably connected to the inner side of the fixed seat, a rotating rod is rotatably connected to the inner side of the fixed seat, a driving gear is fixed to the right side of the rotating rod, a driven gear is meshed with the top of the driving gear, a threaded column is fixed on the top of the driven gear, a fixed sleeve is threadedly connected to the outer side of the threaded column, a servo motor is fixed on the top of the chassis, a driving wheel is fixed to the output shaft of the servo motor, the outer side of the driving wheel is connected to a driven wheel rotatably connected to the threaded column through a belt drive, and a telescopic column is fixed on the top of the driven wheel.

[0008] Furthermore, a rotation opening extending to the inner side of the fixing seat is provided on the top of the fixing seat, and the movable ring is rotationally connected to the fixing seat through the rotation opening.

[0009] Furthermore, the telescopic column comprises a locking cylinder fixed to the top of the driven wheel, and the inner side of the locking cylinder is movably connected to a supporting column.

[0010] Furthermore, the locking mechanism includes a fixed ring fixed to the fixed sleeve, the movable ring and the top of the support column, a cylinder is fixed on the inner cavity wall at the bottom of the fixed ring, a connecting plate is fixed to the movable shaft of the cylinder, a movable plate is fixed to the top of the connecting plate and is fitted with the inner cavity wall of the top of the fixed ring, an adjusting rod is hinged at the bottom of the movable plate, a connecting column is rotatably connected to the inner cavity wall of the top of the fixed ring, a rotating plate hinged to the adjusting rod is fixed to the outer side of the connecting column, and a locking plate slidably connected to the fixed ring is fixed to the top of the movable plate.

[0011] Furthermore, the protective mechanism includes a bottom shell, the outer side of the bottom shell is fitted with the locking plate, a receiving shell is fixed to the top of the bottom shell, a tightening spring is fixed on the inner cavity wall of the bottom of the bottom shell, a connecting column movably connected to the receiving shell is fixed to the top of the tightening spring, a projector is fixed to the top of the connecting column, a lens is fixed to the back of the projector, a connecting block is fixed to the top of the projector, the top of the connecting block is fixed to the bottom of the press plate, a driving plate is fixed to the top of the projector, and a cleaning component located on the back of the projector is provided at the bottom of the receiving shell.

[0012] Furthermore, a connection opening penetrating to the inner side of the receiving shell is provided at the bottom of the receiving shell, and the connection column is slidably connected to the receiving shell through the connection opening.

[0013] Furthermore, the cleaning assembly includes a support plate fixed to the bottom of the receiving shell, a locking spring is fixed to the top of the support plate, a movable plate slidably connected to the support plate is fixed to the bottom of the locking spring, a receiving column is fixed to the bottom of the movable plate, and a receiving plate slidably connected to the support plate is fixed to the bottom of the receiving column, a limiting ring is fixed on the opposite side of the movable plate and the receiving plate, the two limiting rings are staggered, the inner side of the movable plate is rotatably connected to a lifting column extending to the bottom of the receiving plate, a cleaning column is fixed to the bottom of the lifting column, and a limiting column that fits with the bottom limiting ring is fixed to the outer side of the cleaning column, and the top of the movable plate fits with the bottom of the driving plate.

[0014] Furthermore, the limiting assembly includes a shell fixed to the receiving shell, an elastic column slidably connected to the inner side of the shell, a movable block is fixed to the bottom of the elastic column, a supporting spring fixed to the bottom inner cavity wall of the shell is fixed to the bottom of the movable block, a swing rod is hinged on the outer side of the shell, and a sliding column movably connected to the movable block is fixed to the top of the swing rod.

[0015] Furthermore, a sliding channel is provided on the outer side of the movable block, and the sliding column is slidably connected to the movable block through the sliding channel.

[0016] Furthermore, the elastic column includes an outer cylinder fixed to the top of the movable block, the outer cylinder is slidably connected to the top of the shell, the inner side of the outer cylinder is slidably connected with a top support column, a tightening spring is fixed between the top support column and the outer cylinder, the top of the top support column is fixed to the press plate, the elastic coefficient of the tightening spring is greater than the elastic coefficient of the tightening spring, and the elastic coefficient of the top support spring is greater than the elastic coefficient of the tightening spring.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The projection device for visual communication design drives the driving gear to rotate by rotating the rotating rod, thereby driving the overall lifting and lowering through meshing and threading, which improves the flexibility of the device. The servo motor is powered to achieve overall rotation under transmission, further improving the flexibility of use. The cylinder is powered to drive the rotating plate to rotate, thereby achieving the clamping and locking of the bottom shell by the locking plate, realizing the detachable function of the device, which is conducive to improving the flexibility of use. The overall device improves the projection flexibility of the device through height adjustment and angle adjustment, and realizes the disassembly design of the projector through the locking mechanism, which is conducive to improving the convenience of use. The overall device has good adjustment effect and high convenience of use.

[0019] 2. The projection device for visual communication design realizes the limitation of the projector through the locking effect of the sliding column and the movable block, thereby realizing the storage and pop-up functions of the projector, which is beneficial to the protection of the projector, thereby improving the stability of the device. The setting of different spring elastic potential energies is beneficial to the stability of the projector's contraction and pop-up, thereby facilitating the improvement of the stability of the device. The limit ring is raised and lowered by pressing the button, and the rotation of the cleaning column is realized by the setting of the limit column, thereby realizing the lifting, rotating and wiping of the lens, which is beneficial to ensuring the clarity of the lens, improving the service life of the lens, and the overall device has high stability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional diagram of the appearance of the present invention;

[0021] Figure 2 It is a cutaway perspective view of the present invention;

[0022] Figure 3 It is a three-dimensional diagram of the structure of the adjustment mechanism of the present invention;

[0023] Figure 4 This is a bottom-up structural stereogram of the locking mechanism of the present invention;

[0024] Figure 5 This is a top view of the locking mechanism of the present invention;

[0025] Figure 6 It is a three-dimensional diagram of the protection mechanism structure of the present invention;

[0026] Figure 7 This is a three-dimensional diagram of the cleaning component structure of the present invention;

[0027] Figure 8 It is a three-dimensional diagram of the structure of the limiting component of the present invention;

[0028] Fig. 9 It is a three-dimensional diagram of the elastic column structure of the present invention.

[0029] In the figure: 1 adjusting mechanism, 101 chassis, 102 fixed seat, 103 movable ring, 104 rotating rod, 105 driving gear, 106 driven gear, 107 threaded column, 108 fixed sleeve, 109 servo motor, 110 driving wheel, 111 driven wheel, 112 telescopic column, 2 locking mechanism, 201 fixed ring, 202 cylinder, 203 connecting plate, 204 moving plate, 205 adjusting rod, 206 rotating plate, 207 connecting column, 208 locking plate, 3 protective mechanism, 301 bottom shell, 302 receiving shell, 303 tightening spring, 304 engagement Connecting column, 305 projector, 306 lens, 307 connecting block, 308 driving plate, 309 cleaning assembly, 3091 supporting plate, 3092 locking spring, 3093 movable plate, 3094 receiving column, 3095 receiving plate, 3096 limiting ring, 3097 lifting column, 3098 cleaning column, 3099 limiting column, 4 pressing plate, 5 limiting assembly, 501 shell, 502 elastic column, 5021 outer cylinder, 5022 tightening spring, 5023 supporting column, 503 movable block, 504 supporting spring, 505 swing rod, 506 sliding column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 2 A projection device for visual communication design in this embodiment includes an adjustment mechanism 1, a locking mechanism 2 is provided on the top of the adjustment mechanism 1, a protective mechanism 3 is provided on the top of the locking mechanism 2, a limiting component 5 is provided on the protective mechanism 3, and a pressing plate 4 is fixed on the limiting component 5.

[0032] In this embodiment, the raising and lowering and rotating of the device are realized by setting the adjustment mechanism 1, which is beneficial to improving the flexibility of projection. The setting of the locking mechanism 2 is beneficial to the disassembly design of the projector 305, thereby facilitating the improvement of the flexibility of the overall device. The setting of the protective mechanism 3 is beneficial to the storage of the projector 305 and the cleaning of the lens 306, which is beneficial to the stable use of the projector 305.

[0033] See also Figure 3In order to improve the projection flexibility, the adjustment mechanism 1 in this embodiment includes a chassis 101, a fixed seat 102 is fixed on the top of the chassis 101, a movable ring 103 is movably connected to the inner side of the fixed seat 102, and a rotating opening extending to the inner side of the fixed seat 102 is opened on the top of the fixed seat 102, and the movable ring 103 is rotatably connected to the fixed seat 102 through the rotating opening.

[0034] It is understandable that the setting of the rotating opening is conducive to the stable rotation of the movable ring 103, thereby facilitating the rotation of the fixed ring 201 by the rotation of the driven wheel 111, thereby realizing the rotation of the overall projection direction, which is conducive to improving the flexibility of the device.

[0035] It can also be understood that the inner side of the fixed seat 102 is rotatably connected to a rotating rod 104, a driving gear 105 is fixed to the right side of the rotating rod 104, the top of the driving gear 105 is meshed with a driven gear 106, the top of the driven gear 106 is fixed with a threaded column 107, and the outer side of the threaded column 107 is threadedly connected to a fixing sleeve 108.

[0036] It should be noted that the meshing setting is conducive to the transmission and reversal of the rotational force of the rotating rod 104, thereby facilitating the rotation of the threaded column 107, thereby facilitating the realization of the lifting function and improving the flexibility of the overall device.

[0037] It should also be noted that a servo motor 109 is fixed to the top of the chassis 101, a driving wheel 110 is fixed to the output shaft of the servo motor 109, the outer side of the driving wheel 110 is connected to a driven wheel 111 rotatably connected to the threaded column 107 through a belt drive, a telescopic column 112 is fixed to the top of the driven wheel 111, the telescopic column 112 includes a locking cylinder fixed to the top of the driven wheel 111, and the inner side of the locking cylinder is movably connected to a support column.

[0038] In this embodiment, the arrangement of the telescopic column 112 achieves a stable connection of the driven wheel 111, which is beneficial to the stability of the driven wheel 111 when the fixing ring 201 is raised or lowered, thereby facilitating the improvement of the overall device stability and the improvement of the device use effect.

[0039] See also Figures 4 to 5 In order to further improve the flexibility of use, the locking mechanism 2 in this embodiment includes a fixed ring 201 fixed to the fixed sleeve 108, the movable ring 103 and the top of the support column, a cylinder 202 is fixed on the inner cavity wall at the bottom of the fixed ring 201, and a connecting plate 203 is fixed to the movable shaft of the cylinder 202.

[0040] It can be seen that the connection between the cylinder 202 and the connecting plate 203 facilitates the cylinder 202 to drive the movable plate 204 to move, thereby driving the locking plate 208 to clamp and lock the bottom shell 301, which is beneficial to improving the stability of the device.

[0041] It can also be seen that a movable plate 204 is fixed to the top of the connecting plate 203 and is in contact with the inner cavity wall at the top of the fixing ring 201; an adjusting rod 205 is hinged to the bottom of the movable plate 204; a connecting column 207 is rotatably connected to the inner cavity wall at the top of the fixing ring 201; a rotating plate 206 hinged to the adjusting rod 205 is fixed to the outer side of the connecting column 207; and a locking plate 208 is fixed to the top of the movable plate 204 and is slidably connected to the fixing ring 201.

[0042] In this embodiment, the hinged setting is conducive to driving the rotation of the rotating plate 206 through the displacement of a single movable plate 204, thereby driving the multiple adjustment rods 205 to perform rotational adjustment, thereby driving the displacement of the multiple movable plates 204, thereby realizing the displacement of the locking plate 208, which is conducive to the realization of the disassembly function of the overall device, and is conducive to the disassembly setting of the projector 305, thereby facilitating the improvement of the flexibility and convenience of the overall device.

[0043] See also Figures 6 to 7 In order to achieve the stability of the projection, the protective mechanism 3 in this embodiment includes a bottom shell 301, the outer side of the bottom shell 301 is in contact with the locking plate 208, a receiving shell 302 is fixed to the top of the bottom shell 301, and a tightening spring 303 is fixed to the inner cavity wall at the bottom of the bottom shell 301.

[0044] It is not difficult to find that by tightening the spring 303, it is helpful to support the projector 305, so that after the projector 305 is unlocked by the limit assembly 5, the lens 306 can be moved out of the outside of the receiving shell 302, thereby realizing the projection of the projector 305, which is beneficial to the stable use of the device.

[0045] A connecting column 304 movably connected to the receiving shell 302 is fixed to the top of the tightening spring 303 . A connecting port penetrating to the inner side of the receiving shell 302 is provided at the bottom of the receiving shell 302 . The connecting column 304 is slidably connected to the receiving shell 302 through the connecting port.

[0046] The setting of the connection port facilitates the movement of the connection column 304, thereby facilitating the stable lifting of the projector 305, thereby facilitating the improvement of the stability of the device during use.

[0047] It is not difficult to find that a projector 305 is fixed to the top of the connecting column 304, a lens 306 is fixed to the back of the projector 305, a connecting block 307 is fixed to the top of the projector 305, the top of the connecting block 307 is fixed to the bottom of the press plate 4, a driving plate 308 is fixed to the top of the projector 305, and a cleaning component 309 located on the back of the projector 305 is provided at the bottom of the receiving shell 302.

[0048] It should be explained that the provision of the cleaning component 309 facilitates the cleaning of the lens 306, thereby facilitating the cleanliness of the lens 306 and facilitating the stability of the projection of the device. Meanwhile, by hiding and protecting the projector 305, it facilitates the stable use of the projector 305. Cleaning the lens 306 by the cleaning component 309 facilitates the improvement of the service life of the projector 305.

[0049] It should also be explained that the cleaning assembly 309 includes a support plate 3091 fixed to the bottom of the receiving shell 302, a locking spring 3092 is fixed to the top of the support plate 3091, and a movable plate 3093 slidably connected to the support plate 3091 is fixed to the bottom of the locking spring 3092.

[0050] In addition, by setting the locking spring 3092, it is helpful to tighten the movable plate 3093, which is beneficial to the stability of the limiting ring 3096, thereby preventing the limiting ring 3096 from moving, which is beneficial to the stable use of the overall cleaning component 309, and further beneficial to improving the stability of the device.

[0051] A receiving column 3094 is fixed to the bottom of the movable plate 3093, and a receiving plate 3095 slidably connected to the support plate 3091 is fixed to the bottom of the receiving column 3094. Limiting rings 3096 are fixed on opposite sides of the movable plate 3093 and the receiving plate 3095, and the two limiting rings 3096 are staggered.

[0052] Moreover, the staggered setting of the limit ring 3096 is conducive to the positioning of the limit column 3099, and the bottom of the cleaning column 3098 is in contact with the receiving shell 302, thereby driving the limit column 3099 to rise. The staggered setting of the slot of the limit ring 3096 and the lifting and lowering of the limit column 3099 can realize the rotation of the lifting column 3097, thereby driving the cleaning column 3098 to rotate, which is conducive to achieving the rotation and lifting cleaning effect of the device and is conducive to improving the stability of the lens 306.

[0053] The inner side of the movable plate 3093 is rotatably connected to a lifting column 3097 extending to the bottom of the receiving plate 3095, the bottom of the lifting column 3097 is fixed with a cleaning column 3098, the outer side of the cleaning column 3098 is fixed with a limiting column 3099 that fits with the bottom limiting ring 3096, and the top of the movable plate 3093 fits with the bottom of the driving plate 308.

[0054] In this embodiment, the movable plate 3093 is pressed by the driving plate 308, and the limiting column 3099 is driven to rise through the interference between the cleaning column 3098 and the bottom surface. The rotation of the cleaning column 3098 is realized by cooperating with the setting of the limiting ring 3096, thereby achieving the effect of lifting, lowering and rotating cleaning of the cleaning column 3098, which is beneficial to improving the stability of the device.

[0055] See also Figures 8 to 9 In order to ensure the stability of the protection of the projection equipment, the limiting component 5 in this embodiment includes a shell 501 fixed to the receiving shell 302, an elastic column 502 is slidably connected to the inner side of the shell 501, a movable block 503 is fixed to the bottom of the elastic column 502, and a supporting spring 504 fixed to the bottom inner cavity wall of the shell 501 is fixed to the bottom of the movable block 503.

[0056] It needs to be elaborated that, by providing the supporting spring 504, the movable block 503 is supported, which is beneficial to the stability of the sliding column 506, and further to the stability of the swing rod 505, and helps to lock the movable block 503 and the elastic column 502, so as to control the pop-up and retraction of the projector 305, thereby facilitating the improvement of the stability of the overall device.

[0057] It is also necessary to elaborate that a swing rod 505 is hinged on the outer side of the shell 501, and a sliding column 506 movably connected to the movable block 503 is fixed on the top of the swing rod 505. A sliding channel is opened on the outer side of the movable block 503, and the sliding column 506 is slidably connected to the movable block 503 through the sliding channel.

[0058] The setting of the sliding channel facilitates the stable movement of the sliding column 506. Meanwhile, the structural setting of the sliding channel facilitates the limiting of the sliding column 506, thereby facilitating the limiting of the lifting and lowering of the projector 305 and facilitating the stable use of the device.

[0059] As is well known, the elastic column 502 includes an outer cylinder 5021 fixed to the top of the movable block 503, the outer cylinder 5021 is slidably connected to the top of the shell 501, the inner side of the outer cylinder 5021 is slidably connected to a top support column 5023, and a compression spring 5022 is fixed between the top support column 5023 and the outer cylinder 5021.

[0060] By setting the tightening spring 5022, it is helpful to extend and support the projector 305, thereby helping to extend the recovery path, and helping to prevent the projector 305 from retracting due to accidental pressure on the pressing plate 4, thereby helping to improve the stability of the device.

[0061] The top of the supporting column 5023 is fixed to the pressing plate 4 , the elastic coefficient of the tightening spring 303 is greater than the elastic coefficient of the contraction spring 5022 , and the elastic coefficient of the supporting spring 504 is greater than the elastic coefficient of the tightening spring 303 .

[0062] In this embodiment, by setting different spring elastic coefficients, it is beneficial to finally compress the top support spring 504, so as to finally lock the movable block 503, thereby facilitating the retraction degree of the projector 305, and further facilitating the stable accommodation of the projector 305 in the receiving shell 302, thereby facilitating the improvement of the stability of the device.

[0063] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the present invention is controlled by the controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0064] The working principle of the above embodiment is:

[0065] (1) The protective mechanism 3 is moved to the top of the locking mechanism 2, and then the cylinder 202 is started. The cylinder 202 contracts to drive the connecting plate 203 to move, thereby driving the adjusting rod 205 to adjust the angle through the hinge action, and driving the rotating plate 206 to rotate, so as to achieve the swing of multiple adjusting rods 205, thereby driving the multiple moving plates 204 to move toward the middle, thereby driving the locking plate 208 to clamp and fix the bottom shell 301 toward the middle, realizing the function of the projection device being detachable and flexible to carry. At the same time, when it is necessary to adjust the height, the rotating rod 104 is rotated to drive the driven gear 106 to rotate through the meshing action, thereby realizing the threaded column The rotation of 107, through the fixing effect of the telescopic column 112 and the bottom of the fixing ring 201, realizes the limitation of the fixing sleeve 108, thereby driving the fixing sleeve 108 to rise, thereby realizing height adjustment. When the projection direction needs to be adjusted, the servo motor 109 is started to drive the driving wheel 110 to rotate, and the driven wheel 111 is driven to rotate through the transmission, thereby driving the movable ring 103 to rotate through the fixing effect of the telescopic column 112, thereby realizing the adjustment of the projection direction. By lifting and rotating the projector 305, the flexibility of the overall device is improved. The detachable design of the device is realized by the setting of the locking mechanism 2, which improves the convenience of the device.

[0066] (2) When the projection device needs to be used, the button 4 is pressed. The compression spring 5022, the tightening spring 303 and the supporting spring 504 are contracted in sequence by setting the elastic coefficient. When the supporting spring 504 is contracted, the sliding column 506 drives the swing rod 505 to adjust the angle by sliding with the movable block 503. The elastic action of the supporting spring 504 drives the sliding column 506 to move downward on the movable block 503, thereby releasing the lock of the movable block 503, thereby driving the movable block 503 to be lifted. The projector 305 is further ejected by the supporting action of multiple springs, so that the lens 306 is exposed from the receiving shell 30 2, in order to realize the projection function, when the pressing plate 4 is pressed, the driving plate 308 presses down the movable plate 3093 through the fixing effect, thereby driving the two limiting rings 3096 to move downward through the fixing effect, until the cleaning column 3098 contacts the ground and the limiting column 3099 moves, thereby realizing the rotation of the limiting column 3099 in different card slots through the structural setting of the limiting ring 3096, thereby driving the cleaning column 3098 to rotate, thereby rotating and lifting and wiping the lens 306, realizing the cleaning function of the lens 306 each time the pressing plate 4 is pressed, which is beneficial to the clarity of the lens 306 and the stable use of the overall device.

[0067] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0068] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A projection device for visual communication design, comprising an adjustment mechanism (1), characterized in that: A locking mechanism (2) is provided on the top of the adjusting mechanism (1), a protective mechanism (3) is provided on the top of the locking mechanism (2), a limiting assembly (5) is provided on the protective mechanism (3), and a pressing plate (4) is fixed on the limiting assembly (5); The adjusting mechanism (1) comprises a chassis (101), a fixing seat (102) is fixed on the top of the chassis (101), a movable ring (103) is movably connected to the inner side of the fixing seat (102), a rotating rod (104) is rotatably connected to the inner side of the fixing seat (102), a driving gear (105) is fixed on the right side of the rotating rod (104), a driven gear (106) is meshed on the top of the driving gear (105), and the top of the driven gear (106) is A threaded column (107) is fixed to the top of the chassis (101); the outer side of the threaded column (107) is threadedly connected to a fixing sleeve (108); a servo motor (109) is fixed to the top of the chassis (101); a driving wheel (110) is fixed to the output shaft of the servo motor (109); the outer side of the driving wheel (110) is connected to a driven wheel (111) rotatably connected to the threaded column (107) through a belt drive; a telescopic column (112) is fixed to the top of the driven wheel (111).

2. The projection device for visual communication design according to claim 1, characterized in that: The top of the fixing seat (102) is provided with a rotation opening extending to the inner side thereof, and the movable ring (103) is rotationally connected to the fixing seat (102) via the rotation opening.

3. The projection device for visual communication design according to claim 1, characterized in that: The telescopic column (112) comprises a locking cylinder fixed to the top of the driven wheel (111), and a supporting column is movably connected to the inner side of the locking cylinder.

4. The projection device for visual communication design according to claim 3, characterized in that: The locking mechanism (2) comprises a fixed ring (201) fixed to a fixed sleeve (108), a movable ring (103) and the top of a support column; a cylinder (202) is fixed to the inner cavity wall at the bottom of the fixed ring (201); a connecting plate (203) is fixed to the movable shaft of the cylinder (202); a movable plate (204) is fixed to the top of the connecting plate (203) and is in contact with the inner cavity wall at the top of the fixed ring (201); an adjusting rod (205) is hingedly connected to the bottom of the movable plate (204); a connecting column (207) is rotatably connected to the inner cavity wall at the top of the fixed ring (201); a rotating plate (206) hingedly connected to the adjusting rod (205) is fixed to the outer side of the connecting column (207); and a locking plate (208) slidably connected to the fixed ring (201) is fixed to the top of the movable plate (204).

5. The projection device for visual communication design according to claim 4, characterized in that: The protection mechanism (3) comprises a bottom shell (301), the outer side of the bottom shell (301) is in contact with the locking plate (208), a receiving shell (302) is fixed on the top of the bottom shell (301), a tightening spring (303) is fixed on the inner cavity wall at the bottom of the bottom shell (301), a connecting column (304) movably connected to the receiving shell (302) is fixed on the top of the tightening spring (303), a projector (305) is fixed on the top of the connecting column (304), a lens (306) is fixed on the back of the projector (305), a connecting block (307) is fixed on the top of the projector (305), the top of the connecting block (307) is fixed to the bottom of the pressing plate (4), a driving plate (308) is fixed on the top of the projector (305), and a cleaning component (309) located on the back of the projector (305) is provided at the bottom of the receiving shell (302).

6. The projection device for visual communication design according to claim 5, characterized in that: The bottom of the receiving shell (302) is provided with a connection opening that penetrates to the inner side thereof, and the connection column (304) is slidably connected to the receiving shell (302) through the connection opening.

7. The projection device for visual communication design according to claim 5, characterized in that: The cleaning assembly (309) comprises a support plate (3091) fixed to the bottom of the receiving shell (302); a locking spring (3092) is fixed to the top of the support plate (3091); a movable plate (3093) slidably connected to the support plate (3091) is fixed to the bottom of the locking spring (3092); a receiving column (3094) is fixed to the bottom of the movable plate (3093); a receiving plate (3095) slidably connected to the support plate (3091) is fixed to the bottom of the receiving column (3094); the movable plate (3093) A limiting ring (3096) is fixed on the side opposite to the receiving plate (3095), and the two limiting rings (3096) are staggered. The inner side of the movable plate (3093) is rotatably connected to a lifting column (3097) extending to the bottom of the receiving plate (3095), a cleaning column (3098) is fixed to the bottom of the lifting column (3097), and a limiting column (3099) that is in contact with the bottom limiting ring (3096) is fixed to the outer side of the cleaning column (3098), and the top of the movable plate (3093) is in contact with the bottom of the driving plate (308).

8. The projection device for visual communication design according to claim 5, characterized in that: The limiting assembly (5) comprises a shell (501) fixed to a receiving shell (302); an elastic column (502) is slidably connected to the inner side of the shell (501); a movable block (503) is fixed to the bottom of the elastic column (502); a supporting spring (504) fixed to the bottom inner wall of the shell (501) is fixed to the bottom of the movable block (503); a swing rod (505) is hingedly connected to the outer side of the shell (501); a sliding column (506) movably connected to the movable block (503) is fixed to the top of the swing rod (505).

9. The projection device for visual communication design according to claim 8, characterized in that: A sliding channel is provided on the outer side of the movable block (503), and the sliding column (506) is slidably connected to the movable block (503) via the sliding channel.

10. The projection device for visual communication design according to claim 8, characterized in that: The elastic column (502) includes an outer cylinder (5021) fixed to the top of the movable block (503), the outer cylinder (5021) is slidably connected to the top of the shell (501), the inner side of the outer cylinder (5021) is slidably connected to a supporting column (5023), a tightening spring (5022) is fixed between the supporting column (5023) and the outer cylinder (5021), the top of the supporting column (5023) is fixed to the pressing plate (4), the elastic coefficient of the tightening spring (303) is greater than the elastic coefficient of the tightening spring (5022), and the elastic coefficient of the supporting spring (504) is greater than the elastic coefficient of the tightening spring (303).

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