阅读说明：本技术 一种数字电影播放用投影装置 (Projection arrangement is used in digital film broadcast ) 是由 刘伯文 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种数字电影播放用投影装置,涉及数字电影放映技术领域。该数字电影播放用投影装置包括投影仪主体,所述投影仪主体后侧底部与转动连接板顶部固定,所述转动连接板底部与支撑底座活动连接,所述支撑底座包括基座、支撑条和连接支撑板。该数字电影播放用投影装置,通过支撑底座与投影仪主体之间的转动连接使得投影仪主体可以调节任意播放角度,通过定位滑杆、定位槽和投影仪主体自身的重力配合可以实现对投影仪主体角度的自动固定,且由于支撑底座的位置不变,所以该投影装置的稳定性较高,所以即使轮船在水面晃动,也难以造成该投影仪从放置台顶部坠落,极大的提高了该投影装置的使用寿命。(The invention discloses a projection device for playing digital movies, and relates to the technical field of digital movie projection. This projection arrangement is used in digital film broadcast includes the projecting apparatus main part, projecting apparatus main part rear side bottom is fixed with rotation connecting plate top, rotate connecting plate bottom and support base swing joint, the support base includes base, support bar and joint support board. This projection arrangement is used in digital film broadcast, be connected through the rotation that supports between base and the projector main part and make the projector main part can adjust arbitrary broadcast angle, through the location slide bar, the automatic fixed to projector main part angle can be realized to the cooperation of gravity of constant head tank and projector main part self, and because the position that supports the base is unchangeable, so this projection arrangement's stability is higher, so even the steamer rocks at the surface of water, also be difficult to cause this projector to fall from placing the bench top, very big improvement this projection arrangement's life.)

1. A projection device for playing digital movies, comprising a projector main body (1), characterized in that: the projector main body (1) rear side bottom is fixed with the top of the rotating connecting plate (2), the bottom of the rotating connecting plate (2) is movably connected with the supporting base (3), the supporting base (3) comprises a base (31), supporting bars (32) and a connecting supporting plate (33), the base (31) is hinged with the bottom of the rotating connecting plate (2), the number of the supporting bars (32) is two, the two supporting bars (32) are fixed with the two ends of the base (31) respectively, the two ends of the connecting supporting plate (33) are fixed with one side close to the two supporting bars (32) respectively, the center of the connecting supporting plate (33) is provided with a convex part, the convex part is fixed with a locator (4), the inside of the locator (4) is hollowed, the top of the locator (4) is in an open shape, a positioning slide rod (5) is slidably mounted inside the locator (4), and a positioning connecting plate (6) is hinged on the positioning slide rod (5), and one end of the positioning connecting plate (6) far away from the positioning slide rod (5) is hinged with the projector main body (1).

2. A projection apparatus for playing back a digital cinema as claimed in claim 1, characterized in that: inside both sides of being connected with location slide bar (5) of locator (4) have all seted up spout (41), location slide bar (5) both ends are located two spout (41) respectively inside, locating slot (42) have been seted up to the part that locator (4) are located spout (41) bottom, locating slot (42) inner wall bottom is fixed with supporting spring (43), supporting spring (43) top is fixed with supporting baffle (44), supporting baffle (44) top and spout (41) bottom keep level.

3. A projection apparatus for playing back a digital cinema as claimed in claim 2, characterized in that: the two sides of the supporting baffle (44) are attached to the positioning grooves (42), and the top of the supporting baffle is arranged in a zigzag manner.

4. A projection apparatus for playing back a digital cinema as claimed in claim 2, characterized in that: the part that joint support board (33) are located its bulge both sides is fixed with installation piece (7), installation piece (7) top is articulated with two articulated push rod one (8) one end, two articulated push rod one (8) other end is articulated with two connecting block one (9) respectively, two connecting block one (9) are articulated with two articulated push rod two (10) one end respectively, and two articulated push rod two (10) other ends all are articulated with connecting block two (11).

5. A projection apparatus for playing back a digital cinema as claimed in claim 4, characterized in that: keep away from locator (4) connecting block (9) are fixed with counter weight drive block (12), counter weight drive block (12) and arc cooperation piece (13) protruding side sliding connection, arc cooperation piece (13) one end is fixed with rubber location strip (131), and the other end is articulated with mounting bar (132), mounting bar (132) and support bar (32) sliding connection, rubber location strip (131) are located support bar (32) bottom and are located base (31) bottom place plane top.

6. A projection apparatus for playing back a digital cinema as claimed in claim 5, characterized in that: an auxiliary positioning magnetic block (14) is arranged between the two first connecting blocks (9), the auxiliary positioning magnetic block (14) is fixed with the mounting plate (7), and the counterweight driving block (12) is a ironwork.

7. A projection apparatus for playing back a digital cinema as claimed in claim 5, characterized in that: connecting block two (11) are fixed with connecting strip (15) one end, the connecting strip (15) other end is fixed with stripper plate (16), stripper plate (16) bottom and the laminating of locator (4) top solid portion, extrusion groove (161) have been seted up to stripper plate (16) bottom, extrusion groove (161) inside is provided with blocks piece (17), block piece (17) side and interface channel (45) sliding connection, interface channel (45) are seted up in the part that locator (4) are located spout (41) top, and interface channel (45) intercommunication spout (41) and extrusion groove (161), block piece (17) top and bottom and be the arc and block the distance between piece (17) top and the bottom and be greater than the distance between interface channel (45) top and the bottom.

Technical Field

The invention relates to the technical field of digital film projection, in particular to a projection device for digital film playing.

Background

The digital film is a film which is partially or completely replaced by a digital processing technology and a digital medium for replacing a film in the links of shooting, post processing, distribution, showing and the like of the film. Compared with the traditional film movie, the digital movie has the advantages of saving the movie production cost, renovating the production mode and improving the production level.

When the digital film is played outdoors on the steamship, use projecting apparatus and white curtain cooperation to realize the broadcast of digital film usually, present projecting apparatus is for receiving directly to place and is broadcast at a certain platform of placing, need use the object pad in the projecting apparatus bottom with the projection angle of adjustment projecting apparatus when the deviation appears in the broadcast scope of projecting apparatus, this will lead to the reduction of projecting apparatus stability, very easily lead to the projecting apparatus to fall and produce the damage when the steamship rocks on the surface of water, there is certain defect.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a projection device for playing digital movies, which solves the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a projection device for playing digital films comprises a projector body, wherein the bottom of the rear side of the projector body is fixed with the top of a rotating connecting plate, the bottom of the rotating connecting plate is movably connected with a supporting base, the supporting base comprises a base, supporting bars and a connecting supporting plate, the base is hinged with the bottom of the rotating connecting plate, the number of the supporting bars is two, the two supporting bars are respectively fixed with the two ends of the base, the two ends of the connecting supporting plate are respectively fixed with one side close to the two supporting bars, a bulge part is arranged at the center of the connecting supporting plate and is fixed with a positioner, the inside of the positioner is hollowed, the top of the positioner is in an open shape, a positioning slide bar is slidably mounted inside the positioner, a positioning connecting plate is hinged on the positioning slide bar, one end, far away from the positioning slide bar, of the positioning connecting plate is hinged with the projector body, the projector main body can adjust any playing angle through the rotary connection between the supporting base and the projector main body.

Preferably, for fixing the turned angle after adjusting the projecting apparatus main part, the spout has all been seted up to the inside both sides of being connected with the location slide bar of locator, location slide bar both ends are located two spouts inside respectively, the constant head tank has been seted up to the part that the locator is located the spout bottom, constant head tank inner wall bottom is fixed with supporting spring, the supporting spring top is fixed with the supporting baffle, the supporting baffle top is held level with the spout bottom.

Preferably, in order to ensure that the positioning slide rod can be clamped into the positioning groove and the cleaning frequency of the projection device is reduced, two sides of the supporting baffle are attached to the positioning groove, and the top of the supporting baffle is arranged in a zigzag manner.

Preferably, in order to improve this projection arrangement's stability when the steamer rocks, the part that the joint support board is located its bulge both sides is fixed with the installation piece, installation piece top is articulated with two articulated push rod one ends, two articulated push rod other end is articulated with two connecting block one respectively, two connecting block one is articulated with two articulated push rod one ends respectively, and two articulated push rod two other ends all articulate with two connecting block, keep away from the locator connecting block one is fixed with the counter weight drive block, the protruding side sliding connection of counter weight drive block and arc cooperation piece, arc cooperation piece one end is fixed with rubber location strip, and the other end is articulated with the installation strip, installation strip and support bar sliding connection, rubber location strip is located support bar bottom and the bottom is located the plane top that the base bottom was located.

Preferably, in order to prevent the rubber positioning strip from being always attached to the table top when the projection device is placed on the slightly inclined table top and improve the carrying efficiency of the projection device, an auxiliary positioning magnetic block is arranged between the two first connecting blocks, the auxiliary positioning magnetic block is fixed with the mounting plate, and the counterweight driving block is made of iron.

Preferably, in order to improve the fixed effect of locator to the projecting apparatus main part when the steamer rocks, connecting block two is fixed with connecting strip one end, the connecting strip other end is fixed with the stripper plate, the stripper plate bottom is laminated with locator top solid portion, the extrusion groove has been seted up to the stripper plate bottom, the extrusion inslot portion is provided with blocks the piece, block a side and interface channel sliding connection, interface channel sets up the part that is located the spout top at the locator, and interface channel intercommunication spout and extrusion groove, block a top and bottom and be the arc and block the distance between piece top and the bottom and be greater than the distance between interface channel top and the bottom.

(III) advantageous effects

The invention provides a projection device for playing digital movies. The method has the following beneficial effects:

(1) this projection arrangement is used in digital film broadcast, be connected through the rotation that supports between base and the projector main part and make the projector main part can adjust arbitrary broadcast angle, through the location slide bar, the automatic fixed to projector main part angle can be realized to the cooperation of gravity of constant head tank and projector main part self, and because the position that supports the base is unchangeable, so this projection arrangement's stability is higher, so even the steamer rocks at the surface of water, also be difficult to cause this projector to fall from placing the bench top, very big improvement this projection arrangement's life.

(2) This projection arrangement is used in digital cinema broadcast, through establishing the supporting barrier top into the cockscomb structure not only can improve the frictional force between supporting barrier and the location slide bar in order to ensure that the location slide bar can block into the constant head tank inside, can also give the location slide bar certain vibration effect when the location slide bar removes, this vibration transmission can make partial dust break away from projection arrangement voluntarily to whole projection arrangement to reduce this projection arrangement's cleaning frequency.

(3) This projection arrangement for digital cinema broadcast, can utilize the inertia of counter weight drive block to make rubber location strip and place the platform and hug closely when the steamer rocks through counter weight drive block and arc cooperation piece cooperation to increase this projection arrangement and place the frictional force between the platform, prevent that projection arrangement from rocking the steamer when and place and produce between the platform and slide, and when the steamer did not rock, rubber location strip can not hug closely with placing the platform, can prevent that rubber location strip from producing when artificially adjusting this projection arrangement position and blockking the effect.

(4) This projection arrangement is used in digital film broadcast, not only can play certain adsorption to the counter weight drive block through setting up the location magnetic path, prevent that this projection arrangement from placing rubber location strip when slight slope desktop hugs closely all the time with the desktop and causes the unable very light artificial removal of carrying on of projection arrangement, but also can play certain adsorption effect to projecting apparatus main part shell, free rotation and produce the influence to handling efficiency between projecting apparatus main part and the support base when preventing to carry this projection arrangement.

(5) This projection arrangement is used in digital film broadcast, can utilize the removal of counter weight drive piece to fix a position the position of slide bar through setting up the stripper plate and blockking the piece for inside the location slide bar was in the constant head tank all the time, prevent that the steamer from rocking the time location slide bar break away from the constant head tank and lead to accomodating automatically between projecting apparatus main part and the support base, improved projection arrangement's stability when the steamer rocks.

Drawings

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

FIG. 2 is an overall right side view of the present invention;

FIG. 3 is a schematic view of a support base structure according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a projector main body; 2. rotating the connecting plate; 3. a support base; 31. a base; 32. a supporting strip; 33. connecting the supporting plate; 4. a positioner; 41. a chute; 42. positioning a groove; 43. a support spring; 44. a support baffle; 45. a connecting channel; 5. positioning the slide bar; 6. positioning the connecting plate; 7. mounting a sheet; 8. a first hinge push rod; 9. a first connecting block; 10. a second push rod is hinged; 11. a second connecting block; 12. a counterweight driving block; 13. an arc-shaped fitting sheet; 131. a rubber positioning strip; 132. mounting a bar; 14. an auxiliary positioning magnetic block; 15. a connecting strip; 16. a pressing plate; 161. extruding a groove; 17. a stop block.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a projecting device for playing digital films comprises a projector body 1, the bottom of the rear side of the projector body 1 is fixed with the top of a rotary connecting plate 2, the bottom of the rotary connecting plate 2 is movably connected with a supporting base 3, the supporting base 3 comprises a base 31, supporting bars 32 and a connecting supporting plate 33, the base 31 is hinged with the bottom of the rotary connecting plate 2, the number of the supporting bars 32 is two, the two supporting bars 32 are respectively fixed with the two ends of the base 31, the two ends of the connecting supporting plate 33 are respectively fixed with one side close to the two supporting bars 32, the center of the connecting supporting plate 33 is provided with a convex part, a positioner 4 is fixed on the convex part, the inside of the positioner 4 is hollowed, the top of the positioner is in an open shape, a positioning slide bar 5 is slidably mounted inside the positioner 4, a positioning connecting plate 6 is hinged on the positioning slide bar 5, one end, far away from the positioning slide bar 5, of the positioning connecting plate 6 is hinged with the projector body 1, the projector main body 1 can adjust any playing angle through the rotary connection between the supporting base 3 and the projector main body 1.

Preferably, in this embodiment, in order to fix the rotation angle of the projector main body 1 after adjustment, sliding grooves 41 are respectively formed in two sides of the inside of the positioner 4 connected to the positioning sliding rod 5, two ends of the positioning sliding rod 5 are respectively located inside the two sliding grooves 41, a positioning groove 42 is formed in a portion of the positioner 4 located at the bottom of the sliding groove 41, a supporting spring 43 is fixed at the bottom of the inner wall of the positioning groove 42, the top end of the supporting spring 43 is fixed to a supporting baffle 44, and the top of the supporting baffle 44 is flush with the bottom of the sliding groove 41.

Preferably, in this embodiment, in order to ensure that the positioning slide rod 5 can be locked into the positioning slot 41 and reduce the cleaning frequency of the projection apparatus, two sides of the supporting baffle 44 are engaged with the positioning slot 42, and the top is zigzag.

Preferably, in this embodiment, in order to improve the stability of the projection apparatus when the ship shakes, the portions of the connecting support plate 33 located at the two sides of the protruding portion are fixed with the mounting pieces 7, the top of the mounting pieces 7 is hinged to one end of two first hinged push rods 8, the other end of the two first hinged push rods 8 is hinged to one end of two first connecting blocks 9, the two first connecting blocks 9 are hinged to one end of two second hinged push rods 10, the other end of the two second hinged push rods 10 is hinged to the second connecting block 11, the first connecting block 9 far away from the positioner 4 is fixed to the counterweight driving block 12, the counterweight driving block 12 is slidably connected to the protruding side of the arc fitting piece 13, one end of the arc fitting piece 13 is fixed with the rubber positioning strip 131, the other end of the arc fitting piece is hinged to the mounting strip 132, the mounting strip 132 is slidably connected to the supporting strip 32, and the rubber positioning strip 131 is located at the bottom of the supporting strip 32 and the bottom of the plane located at the top of the bottom of the base 31.

Preferably, in this embodiment, in order to prevent the rubber positioning bar 131 from being always tightly attached to the table top when the projection apparatus is placed on a slightly inclined table top and improve the carrying efficiency of the projection apparatus, the auxiliary positioning magnetic block 14 is disposed between the two first connecting blocks 9, the auxiliary positioning magnetic block 14 is fixed to the mounting plate 7, and the counterweight driving block 12 is made of iron.

Preferably, in this embodiment, in order to improve the fixing effect of the locator 4 on the projector main body 1 when the ship shakes, the second connecting block 11 is fixed with one end of the connecting strip 15, the other end of the connecting strip 15 is fixed with the extrusion plate 16, the bottom of the extrusion plate 16 is attached to the solid part at the top of the locator 4, the extrusion groove 161 is formed in the bottom of the extrusion plate 16, the blocking block 17 is arranged inside the extrusion groove 161, the side face of the blocking block 17 is slidably connected with the connecting channel 45, the connecting channel 45 is formed in the part, located at the top of the sliding groove 41, of the locator 4, the connecting channel 45 is communicated with the sliding groove 41 and the extrusion groove 161, the top and the bottom of the blocking block 17 are both arc-shaped, and the distance between the top and the bottom of the blocking block 17 is greater than the distance between the top and the bottom of the connecting channel 45.

The working principle is as follows: when the angle of the projector main body 1 is adjusted, the projector main body 1 is manually rotated, the positioning slide bar 5 is driven to slide in the sliding groove 41 through the positioning connecting plate 6 in the rotation process of the projector main body 1, the downward force of the positioning slide bar 5 is small at the moment, so that the positioning slide bar 5 cannot push the supporting baffle 44 to descend to extrude the supporting spring 43, any angle can be adjusted, certain vibration can be generated when the positioning slide bar 5 is contacted with the sawtooth part at the top of the supporting baffle 44, part of dust on the whole projection device can be vibrated down due to the vibration, after the projector main body 1 is adjusted to a desired angle, the projector main body 1 is loosened, the downward force can be applied to the positioning slide bar 5 through the positioning connecting plate 6 under the action of gravity, the downward force of the positioning slide bar 5 is large at the moment, the supporting baffle 44 can be pushed to descend to extrude the supporting spring 43 when the force is contacted with the sawtooth part at the top of the supporting baffle 44, the positioning slide bar 5 enters the positioning groove 42 and cannot move, so that the angle of the projector main body 1 is fixed; when the ship shakes, the ship is in an inclined state, the counterweight driving block 12 can push the arc-shaped matching sheet 13 to rotate under the action of gravity, and the rubber positioning strip 131 at the bottom of the arc-shaped matching sheet 13 is tightly attached to the desktop, so that the friction force between the projection device and the desktop is improved, and the stability of the projection device is further improved; when the counterweight driving block 12 moves, the first connecting block 9 can be pulled to move, the first connecting block 9 can drive the first hinged push rod 8 and the second hinged push rod 10 to rotate in the moving process, the second connecting block 11 moves towards the direction close to the connecting support plate 33 and drives the extrusion plate 16 to move through the connecting strip 15, the extrusion groove 161 at the bottom of the extrusion plate 16 can push the blocking block 17 to descend until the solid part at the bottom of the extrusion plate 16 is contacted with the top of the blocking block 17, the blocking block 17 cannot be pushed to ascend by the positioning slide rod 5 due to the fact that the extrusion plate 16 cannot ascend and descend, the blocking block 17 can force the positioning slide rod 5 to be located inside the positioning groove 42 all the time, and therefore when the steamship rocks, the positioning slide rod 5 is separated from the positioning groove 42 to cause automatic storage between the projector main body 1 and the support base 3.

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.