CN117148661B - Direction changing mechanism of miniature projector - Google Patents
Direction changing mechanism of miniature projector Download PDFInfo
- Publication number
- CN117148661B CN117148661B CN202311426979.4A CN202311426979A CN117148661B CN 117148661 B CN117148661 B CN 117148661B CN 202311426979 A CN202311426979 A CN 202311426979A CN 117148661 B CN117148661 B CN 117148661B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 description 13
- 241000463219 Epitheca Species 0.000 description 9
- 239000000428 dust Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a direction changing mechanism of a miniature projector, which comprises a base, wherein an upper shell is connected above the base, an arc-shaped groove is formed in the front surface of the upper shell, a projector body is arranged in the arc-shaped groove, an outer frame is connected to the exterior of the projector body, a direction changing mechanism is arranged below the outer frame, and a cleaning mechanism for cleaning a projection lens on the projector body is arranged in the upper shell. The direction changing mechanism of the miniature projector provided by the invention has the advantages that the direction changing mechanism is arranged, so that the projection direction of the projector body can be adjusted according to the requirements when the miniature projector is used, the ideal projection effect is achieved, and the miniature projector is more convenient and practical; and because the cleaning mechanism for cleaning the projection lens on the projector body is arranged, the projection lens can be automatically cleaned, so that a good projection effect is maintained.
Description
Technical Field
The invention relates to the technical field of projectors, in particular to a direction changing mechanism of a miniature projector.
Background
Miniature projectors, also known as portable projectors, mini projectors. The miniature projector refines, portable, microminiaturized, entertained and practical traditional huge projectors, so that the projection technology is more close to life and entertainment. The system has the functions of business office, teaching, business trip business, personal entertainment, television replacement and the like.
However, when the conventional common miniature projector is used, the projector is fixed in position after being installed, the projection direction of the projector is also fixed, and the projection direction is inconvenient to adjust according to the requirement, so that the projection is difficult to achieve an ideal effect, and the use is inconvenient; in some places such as mining areas and construction sites where dust is large, the projector is usually installed in places which are not easy to touch, and the projection lens of the projector is often attached with a layer of dust and cannot be cleaned in time, so that the definition of a projection picture is greatly influenced, the use function is influenced, and improvement is needed.
Disclosure of Invention
The present invention is directed to a direction-changing mechanism of a micro-projector, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a miniature projector steering mechanism, includes the base, the top of base is connected with the epitheca, the front of epitheca is provided with an arc wall, be provided with the projector organism in the arc wall, projector organism external connection has outer frame, outer frame below is provided with steering mechanism, be provided with the clearance mechanism that is used for clearing up the projection lens on the projector organism in the epitheca.
Preferably, the outer frame is of a structure, and the two side walls of the projector body are respectively provided with a rotating shaft which is rotationally inserted on the outer frame.
Preferably, the bottom of outer frame is provided with a round hole, and steering mechanism is including rotating the transmission post of installing in the round hole, and the upper end of transmission post is connected with drive gear, and the bottom of projector organism is the cambered surface, and projector organism bottom is provided with bottom arc rack, and bottom arc rack and drive gear meshing are connected, are provided with the friction disc in the bottom of transmission post.
Preferably, the bottom of the outer frame is fixedly connected with a connecting ring, the connecting ring is rotatably arranged on the base, and an upper friction ring is arranged on the side wall of the inner part of the connecting ring.
Preferably, the steering mechanism further comprises a steering motor arranged inside the base, the output end of the steering motor is connected with a driving shaft, an inner column is sleeved on the driving shaft in a sliding manner, the top of the inner column is provided with a lower friction disc, the lower friction disc corresponds to the upper friction disc, a connecting rod is arranged on the middle side wall of the inner column, the end part of the connecting rod is connected with a first connecting bearing, and the bottom of the outer ring of the connecting rod is connected with a first telescopic rod.
Preferably, the outside activity of interior post has cup jointed the overcoat post, and the top of overcoat post is provided with down friction ring, and down friction ring is corresponding with last friction ring, has seted up two hole grooves on the lateral wall of overcoat post, and the connecting rod wears out from the hole groove, has cup jointed the second connecting bearing on overcoat post bottom lateral wall, has welded the side ear board on the outer lane of second connecting bearing, is connected with the second telescopic link on the bottom surface of side ear board.
Preferably, the driving shaft is of a quadrangular structure, the inner column is a hollow quadrangular with square holes in the middle, the inner column is in sliding connection with the driving shaft and synchronously rotates, square holes are also formed in the middle of the outer column, and the outer column is in sliding connection with the inner column and synchronously rotates.
Preferably, the cleaning mechanism comprises a mounting ring, an outer sleeve bearing is sleeved on the outer wall of the mounting ring, side frames are arranged at two ends of an outer ring of the outer sleeve bearing and slidably arranged in an upper shell, the side frames are connected with a third telescopic rod, a connecting toothed ring is arranged at the end part of the outer wall of the mounting ring, a turnover motor is installed in the upper shell, the output end of the turnover motor is connected with a driving gear, the driving gear is meshed with the connecting toothed ring, and a cleaning assembly convenient to replace is arranged inside the mounting ring.
Preferably, the cleaning assembly comprises a mounting block, the mounting block is of a cylindrical structure, a plurality of groups of ash removing elements are mounted on the outer wall of the mounting block, two side shafts are respectively arranged at two ends of the mounting block and rotatably mounted on a mounting ring, an adjusting motor is mounted on the outer wall of the mounting ring, and the output end of the adjusting motor is connected with one side of the side shaft.
Preferably, a plurality of plug holes are formed in the outer wall of the mounting block, side holes are formed in two sides of the inner portion of each plug hole, clamping blocks are movably arranged in the side holes, one end of each clamping block is connected with a jacking spring, the ash cleaning piece consists of a cleaning disc and a plug-in column, the plug-in column is plugged in each plug-in hole, a clamping groove is formed in the side wall of each plug-in column, and the end portions of the clamping blocks are clamped in the clamping grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. the direction changing mechanism of the miniature projector provided by the invention has the advantages that the direction changing mechanism is arranged, so that the projection direction of the projector body can be adjusted according to the requirements when the miniature projector is used, the ideal projection effect is achieved, and the miniature projector is more convenient and practical; the cleaning mechanism for cleaning the projection lens on the projector body is arranged, so that the projection lens can be automatically cleaned, and a good projection effect is maintained;
2. when the projection direction is adjusted, the first connecting bearing is pushed upwards through the extension of the first telescopic rod, the first connecting bearing drives the connecting rod and the inner column to move upwards, the lower friction plate and the upper friction plate are attached together, larger friction force exists between the connecting surfaces of the lower friction plate and the upper friction plate, the lower friction plate and the upper friction plate can be fixedly connected and synchronously rotated, when the steering motor starts to drive the driving shaft and the inner column to rotate, the lower friction plate can drive the upper friction plate to rotate, the driving column drives the driving gear to rotate, the driving gear and the bottom arc-shaped rack are meshed and connected, the pitching angle of the projector body can be changed, when the horizontal projection direction is changed, the first telescopic rod is contracted, the upper friction plate and the lower friction plate are separated, the second telescopic rod is extended, the side ear plate and the second connecting bearing are upwards moved, the outer sleeve column and the lower friction ring are upwards moved, the lower friction ring are in close contact, the larger friction force exists between the contact surfaces of the lower friction ring and the upper friction ring, the lower friction ring and the upper friction ring can synchronously rotate, when the steering motor starts to drive the driving shaft and the inner column to rotate, the driving shaft and the outer frame rotate, the lower friction ring can drive the outer frame to rotate, and the projector is further adjust the horizontal projection direction, and the projection device rotates;
3. when the projection lens of the equipment is covered by dust, the second telescopic rod is firstly extended to enable the side ear plate and the second connecting bearing to move upwards, so that the outer sleeve column and the lower friction ring move upwards, the lower friction ring and the upper friction ring rotate synchronously, the steering motor is started to drive the outer frame to rotate, the projector body is enabled to turn over for half a circle, then the third telescopic rod is extended to push the side frame and the outer sleeve bearing forwards, the ash removing piece is attached to the projection lens of the projector body, then the turning motor is started to drive the driving gear to rotate, the driving gear drives the connecting toothed ring and the mounting ring to rotate, the ash removing piece can rotate on the projection lens, dust on the projection lens can be cleaned, and therefore the projection effect is improved;
4. the ash cleaning piece is provided with a plurality of, when the dirty clearance effect of an ash cleaning piece reduces, start through control accommodate motor and drive the installation piece and rotate, can change the used ash cleaning piece's of clearance position, if the ash cleaning piece of installation all becomes dirty after, need regularly change the accessory, open the closing plate behind the epitheca earlier, pay attention to the ash cleaning piece and pull out, then with clean ash cleaning piece installation can, during the installation, peg graft the post in the spliced eye, but the joint piece automatic joint is in the draw-in groove under the elasticity promotion of tight spring in top, the installation is firm and convenient operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention.
Fig. 2 is a diagram showing a connection structure of a projector body according to the present invention.
Fig. 3 is a block diagram of the steering mechanism of the present invention.
Fig. 4 is a connection structure diagram of the steering motor of the present invention.
Fig. 5 is a structural view of the outer column connection of the present invention.
FIG. 6 is a diagram of a connecting ring structure according to the present invention.
FIG. 7 is a block diagram of a cleaning mechanism according to the present invention.
FIG. 8 is another view of the cleaning mechanism of the present invention.
Fig. 9 is a block diagram of a cleaning assembly according to the present invention.
FIG. 10 is a block diagram of the ash removal member installation of the present invention.
FIG. 11 is a block diagram of the ash removal member of the present invention.
In the figure: the projector comprises a base 1, an upper shell 2, a projector body 3, an outer frame 4, a bottom arc-shaped rack 5, a connecting ring 6, an upper friction ring 7, a transmission column 8, a transmission gear 9, an upper friction disk 10, a steering motor 11, a driving shaft 12, an inner column 13, a lower friction disk 14, an outer column 15, a lower friction ring 16, a connecting rod 17, a first connecting bearing 18, a first telescopic rod 19, a second connecting bearing 20, a side ear plate 21, a second telescopic rod 22, a mounting ring 23, an outer bearing 24, a side frame 25, a third telescopic rod 26, a mounting block 27, a dust removing piece 28, a cleaning disk 2801, a plug-in column 2802, a clamping groove 2803, a side shaft 29, an adjusting motor 30, a connecting toothed ring 31, a turnover motor 32, a driving gear 33, a plug-in hole 34, a side hole 35, a jacking spring 36 and a clamping block 37.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a miniature projecting apparatus steering mechanism, includes base 1, sets up equipment power supply and circuit isotructure in the base 1, and the inside of base 1 still is provided with the receiver, can be used to receive the signal, can be used to control equipment work to base 1 both ends are provided with the mounting hole, can install at the assigned position. The top of base 1 is connected with epitheca 2, and base 1 and epitheca 2 are integrated into one piece structure, and the back of epitheca 2 is provided with openable closing plate, can operate inner structure after opening.
The front of epitheca 2 is provided with an arc wall, be provided with projector organism 3 in the arc wall, projector organism 3 external connection has outer frame 4, outer frame 4 is "" structure, respectively be provided with a pivot of rotating the grafting on outer frame 4 on projector organism 3 both sides wall, be provided with the damping between pivot and the outer frame 4, can not move at will, outer frame 4 bottom fixedly connected with go-between 6, go-between 6 rotation installs on base 1, be provided with the damping between go-between 6 and base 1, it can not move at will on base 1 to have certain resistance to make outer frame 4, the disorder of projection picture is avoided shaking, be provided with friction ring 7 on the inside lateral wall of go-between 6, outer frame 4 below is provided with steering mechanism, the bottom of outer frame 4 is provided with a round hole, steering mechanism is including rotating the transmission post 8 of installing in the round hole, transmission post 8 is pegged graft in the inner circle of a bearing, the outer lane welded fastening of this bearing is in the round hole, the upper end of transmission post 8 is connected with drive gear 9, projector organism 3's bottom is the cambered surface, projector organism 3 bottom is provided with 5 bottom and rack and pinion 5 are connected with rack and pinion 10 on the arc-shaped bottom of arc. The steering mechanism further comprises a steering motor 11 arranged in the base 1, the steering motor 11 can be a stepping motor, the rotation of the steering motor can be conveniently and accurately controlled, the output end of the steering motor 11 is connected with a driving shaft 12, an inner column 13 is sleeved on the driving shaft 12 in a sliding manner, the driving shaft 12 is of a quadrangular prism structure, the inner column 13 is a hollow quadrangular prism with square holes in the middle, the inner column 13 and the driving shaft 12 are in sliding connection and synchronously rotate, the top of the inner column 13 is provided with a lower friction disc 14, the lower friction disc 14 corresponds to the upper friction disc 10, the middle side wall of the inner column 13 is provided with a connecting rod 17, the end part of the connecting rod 17 is connected with a first connecting bearing 18, and the bottom of the outer ring of the connecting rod 17 is connected with a first telescopic rod 19; when changing the pitch angle of equipment projection direction, push up first connecting bearing 18 through controlling the extension of first telescopic link 19, and then make first connecting bearing 18 drive connecting rod 17 and internal column 13 shift up, and then make lower friction disc 14 and last friction disc 10 laminating together, there is great frictional force between the connection face of lower friction disc 14 and last friction disc 10 can make both fixed connection synchronous rotation, when steering motor 11 starts drive shaft 12 and internal column 13 rotation, lower friction disc 14 can drive last friction disc 10 rotation, and then make drive post 8 drive gear 9 rotation, drive gear 9 and bottom arc rack 5 meshing connection can make the pitch angle of projector organism 3 change.
The outer part of the inner column 13 is movably sleeved with an outer column 15, a square hole is also formed in the middle of the outer column 15, the outer column 15 and the inner column 13 are in sliding connection and synchronously rotate, a lower friction ring 16 is arranged at the top end of the outer column 15, the lower friction ring 16 corresponds to the upper friction ring 7, two hole grooves are formed in the side wall of the outer column 15, a connecting rod 17 penetrates out of the hole grooves, a second connecting bearing 20 is sleeved on the side wall of the bottom of the outer column 15, a side ear plate 21 is welded on the outer ring of the second connecting bearing 20, and a second telescopic rod 22 is connected to the bottom surface of the side ear plate 21; when the horizontal projection direction is changed, the first telescopic rod 19 is controlled to be contracted so that the upper friction disc 10 and the lower friction disc 14 are separated, the second telescopic rod 22 is controlled to be stretched so that the side ear plate 21 and the second connecting bearing 20 move upwards, the outer sleeve 15 and the lower friction ring 16 move upwards, the lower friction ring 16 and the upper friction ring 7 are in close contact, a large friction force exists between contact surfaces of the lower friction ring 16 and the upper friction ring 7 so that the lower friction ring 16 and the upper friction ring 7 can synchronously rotate, and when the steering motor 11 is started to drive the driving shaft 12 and the inner column 13 to rotate, the outer sleeve 15 rotates along with the lower friction ring 16 and the upper friction ring 7 to rotate, the connecting ring 6 drives the outer frame 4 to rotate, and the direction of a projection lens of the projector body 3 is adjusted, so that the horizontal projection direction of equipment is adjusted.
A cleaning mechanism for cleaning the projection lens on the projector body 3 is arranged in the upper shell 2. The cleaning mechanism comprises a mounting ring 23, the mounting ring 23 corresponds to a lens of a projector body 3, a round hole is formed in an arc groove of an upper shell 2, when the projector body 3 is turned over for half a circle to enable the lens to face the cleaning mechanism at the round hole, an outer sleeve bearing 24 is sleeved on the outer wall of the mounting ring 23, side frames 25 are arranged at two ends of an outer ring of the outer sleeve bearing 24, the side frames 25 at two sides are fixedly arranged in two inner walls of a metal frame, two ends of the metal frame are slidably embedded into the inner wall of the upper shell 2 to enable the metal frame to be slidably arranged in the upper shell 2, a third telescopic rod 26 is connected to the side frames 25, the metal frame can enable the metal frame to drive the cleaning mechanism to move when being controlled to retract, the cleaning mechanism is enabled to be retracted in the upper shell 2, the cleaning mechanism cannot be blocked from rotating in the projector body 3, during cleaning, the extension of the third telescopic rod 26 can push the cleaning mechanism out of the arc groove, a connecting toothed ring 31 is arranged at the end of the outer wall of the mounting ring 23, a turnover motor 32 is arranged in the upper shell 2, the turnover motor 32 is arranged at the bottom of the metal frame, an output gear 33 is connected with an active gear 33, and the active gear 33 is connected with the active gear 33, and the active gear 33 is conveniently connected to the active gear assembly in the active gear assembly.
The cleaning assembly comprises a mounting block 27, the mounting block 27 is of a cylindrical structure, a plurality of groups of ash cleaning elements 28 are mounted on the outer wall of the mounting block 27, two side shafts 29 are respectively arranged at two ends of the mounting block 27, the side shafts 29 are rotatably mounted on the mounting ring 23, an adjusting motor 30 is mounted on the outer wall of the mounting ring 23, the output end of the adjusting motor 30 is connected with the side shafts 29 on one side, the ash cleaning elements 28 are provided with a plurality of ash cleaning elements, when the dirt cleaning effect of one ash cleaning element 28 is reduced, the mounting block 27 is driven to rotate by controlling the adjusting motor 30, and therefore the position of the ash cleaning element 28 used for cleaning can be replaced, and the next clean ash cleaning element 28 can be used. The projector body 3 overturns half circle, then controls the extension of the third telescopic link 26 to push the side frame 25 and the outer sleeve bearing 24 forwards, so that the ash removing piece 28 is attached to the projection lens of the projector body 3, then the overturning motor 32 is started to drive the driving gear 33 to rotate, and then the driving gear 33 drives the connecting toothed ring 31 and the mounting ring 23 to rotate, so that the ash removing piece 28 can rotate on the projection lens, dust on the projection lens can be cleaned, and the projection effect is improved.
The outer wall of the mounting block 27 is provided with a plurality of plug holes 34, both sides of the inside of the plug holes 34 are provided with side holes 35, clamping blocks 37 are movably arranged in the side holes 35, one end of each clamping block 37 is connected with a jacking spring 36, each ash removing member 28 consists of a cleaning disc 2801 and a plug post 2802, cleaning sponge which is wetted by cleaning liquid is contained when the cleaning disc 2801 is outside, dust on a lens can be wiped when the cleaning disc 2801 is stuck on the lens and rotates, the plug posts 2802 are plugged in the plug holes 34, clamping grooves 2803 are formed in the side walls of the plug posts 2802, the end parts of each clamping block 37 are clamped in the corresponding clamping grooves 2803, if all the installed ash removing members 28 are dirty, the parts need to be replaced periodically, firstly, the sealing plates at the back of the upper shell 2 are opened, the ash removing members 28 are pulled out one by one, then the clean ash removing members 28 are installed, the plug posts 2802 are plugged in the plug holes 34 when the cleaning disc is installed, and the plug posts 2802 can be automatically clamped in the clamping grooves 2803 under the elastic force of the jacking springs; if the installed ash removing member 28 becomes dirty, the accessory needs to be replaced regularly, the sealing plate behind the upper shell 2 is firstly opened, the ash removing member 28 is pulled out, then the clean ash removing member 28 is installed, the plug-in column 2802 is plugged into the plug-in hole 34 during installation, and the clamping block 37 can be automatically clamped in the clamping groove 2803 under the pushing of the elastic force of the jacking spring 36, so that the installation is stable and the operation is convenient.
When in actual use, the projection direction of the projector body 3 can be adjusted according to the requirements, so that the ideal projection effect is achieved, and the projector is more convenient and practical; the cleaning mechanism for cleaning the projection lens on the projector body 3 is arranged, so that the projection lens can be automatically cleaned, and a good projection effect is maintained; when the projection direction is adjusted, the first connecting bearing 18 is pushed upwards by the extension of the first telescopic rod 19, so that the first connecting bearing 18 drives the connecting rod 17 and the inner column 13 to move upwards, the lower friction plate 14 and the upper friction plate 10 are attached together, a large friction force exists between the connecting surfaces of the lower friction plate 14 and the upper friction plate 10, the two are fixedly connected and synchronously rotated, when the steering motor 11 is started to drive the driving shaft 12 and the inner column 13 to rotate, the lower friction plate 14 can drive the upper friction plate 10 to rotate, the driving column 8 can drive the driving gear 9 to rotate, the driving gear 9 and the bottom arc-shaped rack 5 are meshed and connected, the pitching angle of the projector body 3 can be changed, and when the horizontal projection direction is changed, the first telescopic rod 19 contracts to separate the upper friction disc 10 from the lower friction disc 14, the second telescopic rod 22 stretches to enable the side ear plate 21 and the second connecting bearing 20 to move upwards, the outer sleeve 15 and the lower friction ring 16 move upwards, the lower friction ring 16 and the upper friction ring 7 are in close contact, a large friction force exists between contact surfaces of the lower friction ring 16 and the upper friction ring 7 to enable the lower friction ring 16 and the upper friction ring 7 to rotate synchronously, when the steering motor 11 starts to drive the driving shaft 12 and the inner column 13 to rotate, the outer sleeve 15 rotates along with the rotation to drive the lower friction ring 16 and the upper friction ring 7 to rotate, the connecting ring 6 drives the outer frame 4 to rotate, and the direction of a projection lens of the projector body 3 is adjusted, so that the horizontal projection direction of equipment is adjusted; when the projection lens of the equipment is covered by dust, the second telescopic rod 22 is firstly extended to enable the side ear plate 21 and the second connecting bearing 20 to move upwards, so that the outer sleeve 15 and the lower friction ring 16 move upwards, the lower friction ring 16 and the upper friction ring 7 synchronously rotate, the steering motor 11 is started to drive the outer frame 4 to rotate, so that the projector body 3 turns over for half a circle, then the third telescopic rod 26 is extended to push the side frame 25 and the outer sleeve bearing 24 forwards, the ash removing piece 28 is attached to the projection lens of the projector body 3, then the turning motor 32 is started to drive the driving gear 33 to rotate, so that the driving gear 33 drives the connecting toothed ring 31 and the mounting ring 23 to rotate, the ash removing piece 28 can rotate on the projection lens, dust on the projection lens can be cleaned, and the projection effect is improved; the ash cleaning pieces 28 are provided with a plurality of, when the dirty clearance effect of an ash cleaning piece 28 reduces, start through control accommodate motor 30 and drive installation piece 27 and rotate, can change the used ash cleaning piece 28 of clearance position, if the ash cleaning piece 28 of installation all becomes dirty after, need regularly change the accessory, open the closing plate behind the epitheca 2 earlier, pay attention to the ash cleaning piece 28 and pull out, then with clean ash cleaning piece 28 installation can, during the installation, peg graft spliced pole 2802 in spliced eye 34, but the joint piece 37 automatic joint is in draw-in groove 2803 under the elasticity promotion of jack-up spring 36, the installation is firm and convenient operation.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a miniature projecting apparatus steering mechanism, is including base (1), its characterized in that: the utility model discloses a steering column (13) of a motor, including base (1), upper housing (2) is connected with the top of base (1), the front of upper housing (2) is provided with an arc wall, be provided with projecting apparatus organism (3) in the arc wall, projecting apparatus organism (3) external connection has outer frame (4), outer frame (4) bottom fixedly connected with go-between (6), go-between (6) rotate and install on base (1), be provided with go-between (7) on go-between (6) inside lateral wall, outer frame (4) below is provided with diversion mechanism, the bottom of outer frame (4) is provided with a round hole, diversion mechanism is including rotating transmission post (8) of installing in the round hole, the upper end of transmission post (8) is connected with drive gear (9), the bottom of projecting apparatus organism (3) is the cambered surface, projecting apparatus organism (3) bottom is provided with bottom arc rack (5), bottom arc rack (5) and drive gear (9) meshing are connected, are provided with on the bottom of transmission post (8) friction disc (10), still including installing on motor (1) inside lateral wall, be provided with diversion mechanism (12) on motor (11), diversion post (12) are connected with in the top (13) of the slip post (13), the lower friction plate (14) corresponds to the upper friction plate (10), a connecting rod (17) is arranged on the middle side wall of the inner column (13), a first connecting bearing (18) is connected to the end part of the connecting rod (17), a first telescopic rod (19) is connected to the bottom of the outer ring of the connecting rod (17), an outer column (15) is movably sleeved outside the inner column (13), a lower friction ring (16) is arranged at the top end of the outer column (15), the lower friction ring (16) corresponds to the upper friction ring (7), two hole grooves are formed in the side wall of the outer column (15), the connecting rod (17) penetrates out of the hole grooves, a second connecting bearing (20) is sleeved on the side wall of the bottom of the outer column (15), a side ear plate (21) is welded on the outer ring of the second connecting bearing (20), and a second telescopic rod (22) is connected to the bottom surface of the side ear plate (21);
the cleaning mechanism for cleaning the projection lens on the projector body (3) is arranged in the upper shell (2), the cleaning mechanism comprises a mounting ring (23), an outer sleeve bearing (24) is sleeved on the outer wall of the mounting ring (23), side frames (25) are arranged at two ends of the outer ring of the outer sleeve bearing (24), the side frames (25) are slidably arranged in the upper shell (2), the side frames (25) are connected with a third telescopic rod (26), a connecting toothed ring (31) is arranged at the end part of the outer wall of the mounting ring (23), a turnover motor (32) is arranged in the upper shell (2), the output end of the turnover motor (32) is connected with a driving gear (33), the driving gear (33) is in meshed connection with the connecting toothed ring (31), and a cleaning assembly convenient to replace is arranged in the mounting ring (23);
the cleaning assembly comprises a mounting block (27), the mounting block (27) is of a cylindrical structure, a plurality of groups of ash removing elements (28) are mounted on the outer wall of the mounting block (27), a plurality of plug holes (34) are formed in the outer wall of the mounting block (27), side holes (35) are formed in two sides of the inside of the plug holes (34), clamping blocks (37) are movably arranged in the side holes (35), one ends of the clamping blocks (37) are connected with a tightening spring (36), the ash removing elements (28) are composed of a cleaning disc (2801) and plug posts (2802), the plug posts (2802) are plugged in the plug holes (34), clamping grooves (2803) are formed in the side walls of the plug posts (2802), two ends of the clamping blocks (37) are respectively provided with a side shaft (29), the side shafts (29) are rotatably mounted on a mounting ring (23), and the outer walls of the mounting ring (23) are provided with an adjusting motor (30), and the output end of the adjusting motor (30) is connected with the side shafts (29).
2. The direction changing mechanism of a micro projector according to claim 1, wherein: the outer frame (4) is of a structure, and two rotating shafts which are rotatably inserted on the outer frame (4) are respectively arranged on two side walls of the projector body (3).
3. The direction changing mechanism of a micro projector according to claim 1, wherein: the driving shaft (12) is of a quadrangular structure, the inner column (13) is a hollow quadrangular with square holes, the inner column (13) and the driving shaft (12) are in sliding connection and synchronously rotate, square holes are also formed in the middle of the outer sleeve column (15), and the outer sleeve column (15) and the inner column (13) are in sliding connection and synchronously rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311426979.4A CN117148661B (en) | 2023-10-31 | 2023-10-31 | Direction changing mechanism of miniature projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311426979.4A CN117148661B (en) | 2023-10-31 | 2023-10-31 | Direction changing mechanism of miniature projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117148661A CN117148661A (en) | 2023-12-01 |
| CN117148661B true CN117148661B (en) | 2024-01-09 |
Family
ID=88910537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311426979.4A Active CN117148661B (en) | 2023-10-31 | 2023-10-31 | Direction changing mechanism of miniature projector |
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| Country | Link |
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| CN (1) | CN117148661B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007164097A (en) * | 2005-12-16 | 2007-06-28 | Sharp Corp | Projection type image display device |
| CN213177470U (en) * | 2020-09-10 | 2021-05-11 | 朱赛儿 | Projector for intellectual property convenient to adjust |
| CN217932386U (en) * | 2022-05-29 | 2022-11-29 | 上海工程技术大学 | Multi-angle projection device |
| CN115485754A (en) * | 2020-07-20 | 2022-12-16 | 有限会社大平技研 | Optical planetarium and planetarium system with same |
| CN218599369U (en) * | 2022-08-30 | 2023-03-10 | 江苏美凤力医疗科技有限公司 | Projection equipment for heart ultrasonic detection |
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2023
- 2023-10-31 CN CN202311426979.4A patent/CN117148661B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007164097A (en) * | 2005-12-16 | 2007-06-28 | Sharp Corp | Projection type image display device |
| CN115485754A (en) * | 2020-07-20 | 2022-12-16 | 有限会社大平技研 | Optical planetarium and planetarium system with same |
| CN213177470U (en) * | 2020-09-10 | 2021-05-11 | 朱赛儿 | Projector for intellectual property convenient to adjust |
| CN217932386U (en) * | 2022-05-29 | 2022-11-29 | 上海工程技术大学 | Multi-angle projection device |
| CN218599369U (en) * | 2022-08-30 | 2023-03-10 | 江苏美凤力医疗科技有限公司 | Projection equipment for heart ultrasonic detection |
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| CN117148661A (en) | 2023-12-01 |
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