CN115773441A - Multi-angle adjustment stereoscopic projection display device convenient to mount and dismount - Google Patents

Abstract

The invention discloses a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble, comprising: a base, an adjustment device, a projection device and a locking device, wherein the adjustment device is connected to one side of the base, The clamping device is arranged on the adjusting device, and the projection device is arranged on the adjusting device through the clamping device.

Description

A multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble

technical field

The invention relates to the field of projection devices, in particular to a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble.

Background technique

The projection device is a modern instrument that uses the optical principle in physics to magnify the image and project it on the screen. The projection device is now widely used by people and can be used for school teaching and company training. The existing During the installation and disassembly process of projection devices, most of them are installed and disassembled by screws and nuts; after long-term use, the screws, nuts, screw holes and other related mating surface structures will produce certain wear and tear, and the cooperation of screws and nuts will become loose. ; and because the applied strength of fastening, installation and dismounting cannot be accurately controlled each time, the loss of the mating surface is further aggravated, the stability of the projection device, the accuracy of installation and positioning are reduced, and the loss of the mating surface of the screw and nut screw holes It is difficult to detect the amount of vibration in time, which makes the projection process vulnerable to interference from external factors (such as wind currents, collisions, etc.) and image shaking occurs. In addition, it is also easy to mislead the direction of investigation when troubleshooting image shaking factors, affecting normal use.

This requires a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble to solve the above-mentioned problems in the background technology.

Contents of the invention

In order to achieve the above object, the present invention provides the following technical solution: a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble, including: a base, an adjustment device, a projection device and a locking device, wherein the adjustment device is connected to the On one side of the base, the locking device is arranged on the adjusting device, and the projection device is arranged on the adjusting device through the locking device.

Further, preferably, the adjustment device includes: an adjustment plate, a central shaft, a fixed plate, a branch plate, a motor, a first gear, a second gear and a transmission shaft, wherein, the rear ends of the two side plates of the adjustment plate are provided with The mounting hole, the central shaft is fixedly installed in the mounting hole, the fixing plate is arranged on the rear side of the adjusting plate, and the fixing plate is fixedly connected with two branch plates arranged in parallel. A shaft hole is opened on the plate, the central shaft is connected to the shaft hole in rotation, the motor is arranged on the base, the output end of the motor is connected to the first gear, and the second gear Meshing with the first gear, the transmission shaft is fixedly connected to the inner wall of the center hole of the second gear, and the end surface of the transmission shaft is fixedly connected to the end surface of the central shaft.

Further, as a preference, the adjustment plate includes: a groove, a heat dissipation hole and a heat dissipation fan, wherein a groove is opened on the adjustment plate, the shape of the groove is a rectangle, and the inner wall of the groove is evenly provided with A plurality of heat dissipation holes, the heat dissipation fan is fixedly installed at the bottom of the groove.

Further, preferably, the clamping device includes: a bottom plate, a clamping groove, a support block, a buffer spring, a magnetic attraction device, a one-way gear, a rack, a positioning connector, a T-shaped clamping block, a support plate, and a center column , wherein, the bottom plate is arranged on the adjustment device, the bottom plate is provided with the locking groove, the lower end of the locking groove is provided with the support block, and the bottom of the support block is installed with the Buffer spring, the inner side of the bottom plate is fixed with the magnetic device, the magnetic device is controlled by the master switch, the bottom of the magnetic device is provided with the one-way gear, and the one-way gear is rotatably installed on the On the center column, one end surface of the center column is provided with a driving device, the one-way gear is meshed with the rack, the positioning connector is provided on the rear shell of the projection device, and the positioning connector The T-shaped locking block is arranged on one side, and the T-shaped locking block can slide up and down in the locking groove. The support plate is installed on the projection device, and the rack is slidingly arranged on the vertical On the straight slideway, the vertical slideway is fixed on the bottom plate through a connecting column, the rack is located below the support plate, and a return spring is installed on the rack.

Further, preferably, a limit block is arranged on the outer wall of the central column in the axial direction, the one-way gear can slide axially on the outer wall of the central column, and the driving device can intermittently rotate in only one direction. direction to drive the one-way gear.

Further, preferably, the support block is made of elastic material, and the support plate is made of metal material.

Further, preferably, the shape of the T-shaped locking block matches the locking groove, and the number of locking grooves is two groups arranged in parallel.

Compared with the prior art, the present invention provides a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble, and has the following beneficial effects:

The projection device can be adjusted at multiple angles, and when installed, because the support block is made of elastic material and its lower end is provided with a buffer spring, the projection device can be slowly and steadily lowered until it is stably adsorbed on the magnetic device, ensuring that the device The fixation in the horizontal direction and vertical direction ensures that the image of the device can be stable and does not shake during use, and the installation method of screws and nuts can also be avoided, and the magnetic suction device can ensure that the force of each adsorption is consistent, reducing The loss of small devices improves the stability of the device and the accuracy of installation and positioning. When it is affected by external wind, collision and other factors that affect the vibration, it can also quickly find out the problem without affecting normal use. When it is disassembled after use, It can be easily and smoothly removed by means of rack and pinion mechanism.

Description of drawings

Fig. 1 is a structural schematic diagram of a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble;

Fig. 2 is a bottom view of the adjustment device in a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble;

Fig. 3 is a side view of a locking device in a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble;

In the figure: 1. Base; 2. Adjusting device; 21. Adjusting plate; 211. Groove; 212. Cooling hole; 213. Cooling fan; 22. Central shaft; Motor; 26. First gear; 27. Second gear; 28. Transmission shaft; 3. Projector device; 4. Positioning device; 41. Base plate; 42. Positioning slot; 43. Support block; 45. Magnetic attraction device; 46. One-way gear; 47. Rack; 48. Positioning connector; 49. T-shaped locking block; 410. Support plate; 411. Center column.

Detailed ways

Please refer to Figures 1 to 3, the present invention provides a multi-angle adjustable three-dimensional projection display device that is easy to install and disassemble, including: a base 1, an adjustment device 2, a projection device 3 and a locking device 4, wherein the adjustment device 2 Connected to one side of the base 1 , the clamping device 4 is arranged on the adjustment device 2 , and the projection device 3 is arranged on the adjustment device 2 through the clamping device 4 .

It should be noted that the adjustment device 2 is used to adjust the angle of the projection device 3 , and the locking device 4 is used to install and disassemble the projection device 3 .

Further, the adjustment device 2 includes: an adjustment plate 21, a central shaft 22, a fixed plate 23, a branch plate 24, a motor 25, a first gear 26, a second gear 27 and a transmission shaft 28, wherein the adjustment plate 21 has two The rear end of the side plate is provided with a mounting hole, the central shaft 22 is fixedly installed in the mounting hole, the fixed plate 23 is arranged on the rear side of the adjustment plate 21, and two fixed plates are fixedly connected to the fixed plate 23. The branch plate 24 arranged in parallel, the branch plate 24 is provided with a shaft hole, the central shaft 22 is rotatably connected with the shaft hole, the motor 25 is arranged on the base 1, and the motor The output end of 25 is connected with described first gear 26, and described second gear 27 is meshed with described first gear 26, and described transmission shaft 28 is fixedly connected on the inner wall of the center hole of described second gear 27, and described The end surface of the transmission shaft 28 is fixedly connected with the end surface of the central shaft 22 .

As a preferred embodiment, when it is necessary to adjust the angle of the projection device 3, the motor 25 starts to work, and its output end drives the first gear 26 to rotate, thereby driving the second gear 27 to rotate, so The transmission shaft 28 in the second gear 27 will also drive the central shaft 22 to rotate synchronously, and the central shaft 22 will drive the adjustment plate 21 to start moving, and the adjustment plate 21 will be in contact with the horizontal plane. An included angle is formed, and the size of the included angle can be adjusted according to actual usage requirements, thus completing the angle adjustment of the projection device 3 .

Further, the adjustment plate 21 includes: a groove 211, a heat dissipation hole 212 and a heat dissipation fan 213, wherein the adjustment plate 21 is provided with a groove 211, the shape of the groove 211 is rectangular, and the inner wall of the groove 211 A plurality of heat dissipation holes 212 are uniformly arranged on the top, and the heat dissipation fan 213 is fixedly installed at the bottom of the groove 211 .

In this embodiment, the heat dissipation fan 213 is provided to dissipate heat from the projection device 3 in use, and the heat dissipation holes 212 on the inner wall of the groove 211 can improve heat dissipation efficiency.

Further, the locking device 4 includes: a bottom plate 41, a locking slot 42, a support block 43, a buffer spring 44, a magnetic attraction device 45, a one-way gear 46, a rack 47, a positioning connector 48, and a T-shaped locking block 49. The support plate 410 and the central column 411, wherein the bottom plate 41 is arranged on the adjustment device 2, the bottom plate 41 is provided with the locking slot 42, and the lower end of the locking slot 42 is provided with a The support block 43, the buffer spring 44 is installed at the bottom of the support block 43, the magnetic attraction device 45 is fixedly installed on the inner side of the bottom plate 41, and the magnetic attraction device 45 is controlled by a master control switch. The bottom of the suction device 45 is provided with the one-way gear 46, the one-way gear 46 is rotatably mounted on the central column 411, and one end surface of the central column 411 is provided with a driving device, and the one-way gear 46 is connected to the central column 411. The racks 47 are engaged with each other, and the positioning connector 48 is provided on the rear shell of the projection device 3, and the T-shaped clamping block 49 is arranged on one side of the positioning connector 48, and the T-shaped clamping block 49 can slide up and down in the locking groove 42, the support plate 410 is installed on the projection device 3, the rack 47 is slidably arranged on the vertical slideway, and the vertical slideway is fixed by the connecting column On the bottom plate 41 , the rack 47 is located below the support plate 410 , and a return spring is installed on the rack 47 .

Further, limit blocks are arranged axially on the outer wall of the central column 411, the one-way gear 46 can slide axially on the outer wall of the central column 411, and the driving device can intermittently rotate only in one direction. direction to drive the one-way gear 46 .

In this embodiment, the one-way gear 46 can slide along the outer wall of the central column 411 to the locking position of the limit block, and at this time, the one-way gear 46 is disengaged from the rack 47 .

Further, the support block 43 is made of elastic material, and the support plate 410 is made of metal material.

Further, the shape of the T-shaped locking block 49 matches the locking groove 42, and the number of locking grooves 42 is two groups arranged in parallel.

As a preferred embodiment, when installing the projection device 3, the positioning connector 48 is first brought close to the bottom plate 41, and then the T-shaped locking block 49 is inserted into the locking slot 42, and the T Type clamping piece 49 moves down along described clamping slot 42, and when the bottom end of described T-shaped clamping piece 49 touches described support piece 43, because described support piece 43 is elastic material and its lower end also sets There is the buffer spring 44, so that the projection device 3 can be slowly and steadily lowered until the support plate 410 touches the surface of the magnetic attraction device 45, and the master control switch is turned on at this time, because the support plate 410 is Metal material, it will be stably adsorbed on the magnetic attraction device 45, the above-mentioned installation process of the projection device 3 avoids the installation method of using screws and nuts, and the magnetic attraction device 45 absorbs each time. The size is consistent, reducing the loss of the device, improving the stability of the device and the accuracy of installation and positioning. The setting of the magnetic attraction device 45 and the locking slot 42 ensures that the projection device 3 is fixed in the horizontal direction and the vertical direction , it can ensure that the projection device 3 will not shake or shift due to the interference of external factors during use. Quickly troubleshoot the problem with the device.

As a preferred embodiment, when the projection device 3 is disassembled, the master control switch is first turned off, and the magnetic attraction device 45 loses its adsorption force. At this time, the drive device drives the one-way gear 46 in one direction all the time. Rotate, thereby driving the rack 47 to move upwards in the vertical direction, with the movement of the rack 47, the support plate 410 will continue to be lifted until the T-shaped locking block 49 leaves the locking position groove 42, the projection device 3 is removed, and the rack 47 supports the projection device 3, which is convenient for labor-saving disassembly. The above disassembly process for the projection device 3 effectively prevents the remaining Insufficiency of holes during installation.

It should be noted that after the projection device 3 is removed, the one-way gear 46 is pushed to the locking position of the limit block, at this time, the one-way gear 46 is disengaged from the rack 47, The rack 47 automatically resets downward along the vertical slideway under the action of the return spring. After the rack 47 is reset, the one-way gear 46 returns to its initial position and is aligned with the rack. 47 engaged.

During specific implementation, when installing the projection device 3, the positioning connector 48 is first brought close to the bottom plate 41, and then the T-shaped locking block 49 is inserted into the locking groove 42, and the T-shaped locking piece The positioning block 49 moves downward along the locking groove 42, so that the projection device 3 descends slowly and steadily, and the master control switch is turned on, and the support plate 410 will be stably adsorbed on the magnetic attraction device 45. When the projection device 3 performs angle adjustment, the adjustment plate 21 in the adjustment device 2 will form an included angle with the horizontal plane, and the size of the included angle can be adjusted according to actual usage conditions. When the projection device 3 is disassembled, close the The master control switch, the magnetic attraction device 45 loses its adsorption force. At this time, the drive device drives the rack 47 to move upwards in the vertical direction and lifts the support plate 410 until the T-shaped card The positioning block 49 leaves the locking slot 42, and the projection device 3 is removed.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a stereoscopic projection display device is adjusted to multi-angle convenient to installation is dismantled which characterized in that: the method comprises the following steps: the device comprises a base (1), an adjusting device (2), a projection device (3) and a clamping device (4), wherein the adjusting device (2) is connected to one side of the base (1), the clamping device (4) is arranged on the adjusting device (2), and the projection device (3) is arranged on the adjusting device (2) through the clamping device (4).

2. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 1, wherein: the adjustment device (2) comprises: adjusting plate (21), center pin (22), fixed plate (23), branch board (24), motor (25), first gear (26), second gear (27) and transmission shaft (28), wherein, the mounting hole has been seted up to adjusting plate (21) both sides board rear end department, fixed mounting has in the mounting hole center pin (22), adjusting plate (21) rear side has been laid fixed plate (23), two parallel arrangement of fixedly connected with branch extension board (24) are gone up in fixed plate (23), the shaft hole has been seted up on branch extension board (24), center pin (22) with the shaft hole rotates to be connected, motor (25) set up in on base (1), the output of motor (25) is connected with first gear (26), second gear (27) with first gear (26) mesh mutually, fixedly connected with on the second gear (27) center hole inner wall transmission shaft (28), the terminal surface of transmission shaft (28) with the terminal surface fixed connection of center pin (22).

3. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 2, wherein: the adjustment plate (21) includes: the heat dissipation device comprises a groove (211), heat dissipation holes (212) and a heat dissipation fan (213), wherein the groove (211) is formed in the adjusting plate (21), the groove (211) is rectangular in shape, the plurality of heat dissipation holes (212) are uniformly formed in the inner wall of the groove (211), and the heat dissipation fan (213) is fixedly mounted at the bottom of the groove (211).

4. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 1, wherein: the blocking device (4) comprises: bottom plate (41), screens groove (42), supporting shoe (43), buffer spring (44), backup pad (410) and center post (411) are inhaled to device (45), one-way gear (46), rack (47), positioning connection spare (48), T type screens piece (49), backup pad (410) and center post (411), wherein, bottom plate (41) lay on adjusting device (2), seted up on bottom plate (41) screens groove (42), the inside lower extreme in screens groove (42) is provided with supporting shoe (43), install supporting shoe (43) bottom buffer spring (44), bottom plate (41) inboard fixed mounting have inhale device (45) are inhaled to the magnetism, inhale device (45) by total control switch control, magnetism is inhaled device (45) bottom and is provided with one-way gear (46), one-way gear (46) rotate install in on said center post (411), one terminal surface of center post (411) is provided with drive arrangement, one-way gear (46) with rack (47) mesh, be equipped with positioning connection spare (48) on the backshell of projection arrangement device (3), positioning connection spare (48) one side is equipped with screens piece (49) about T type screens piece (49), the supporting plate (410) is installed on the projection device (3), the rack (47) is arranged on a vertical slide in a sliding mode, the vertical slide is fixed on the bottom plate (41) through a connecting column, the rack (47) is located at the position below the supporting plate (410), and a reset spring is installed on the rack (47).

5. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 4, wherein: the outer wall of the central column (411) is axially provided with a limiting block, the one-way gear (46) can axially slide on the outer wall of the central column (411), and the driving device can intermittently drive the one-way gear (46) only along one rotating direction.

6. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 4, wherein: the supporting block (43) is made of elastic materials, and the supporting plate (410) is made of metal materials.

7. The multi-angle adjustable stereoscopic projection display apparatus convenient to mount and dismount as claimed in claim 4, wherein: the T-shaped clamping blocks (49) are matched with the clamping grooves (42) in shape, and the clamping grooves (42) are arranged in two groups in parallel.

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