CN108169992A - Back projection type frame projector - Google Patents
Back projection type frame projector Download PDFInfo
- Publication number
- CN108169992A CN108169992A CN201810144760.8A CN201810144760A CN108169992A CN 108169992 A CN108169992 A CN 108169992A CN 201810144760 A CN201810144760 A CN 201810144760A CN 108169992 A CN108169992 A CN 108169992A
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- Prior art keywords
- reflective mirror
- frame
- ladder
- hole
- connector
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- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 45
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
A kind of back projection type frame projector, including projecting apparatus, reflective mirror, cube structure frame, cube structure frame is made of more section bars and the installation combination of multiple connectors, the column of cube structure frame, crossbeam, longeron is made by the section bar of same structure, the column section for intersecting at same apex angle of cube structure frame, cross beam sectional bar, longitudinal beam section bar is connected by three-dimensional apical horn connector, longitudinal beam section bar further includes reflective mirror backbar, projecting apparatus backbar, reflective mirror backbar connect fixation by internal corner connector with two column sections on rear side of cube structure frame, projecting apparatus backbar connect fixation by internal corner connector with two cross beam sectional bars of cube structure framework underside；In the cube structure frame that reflective mirror is mounted on, make reflective mirror just facing towards on front side of cube structure frame, and angle adjustable, projecting apparatus are fixed on projecting apparatus backbar, and towards the front of reflective mirror.
Description
Technical field
The present invention relates to large screen projection field, more particularly to a kind of back projection type frame projector.
Background technology
With the arrival of information age, the fast development of Computer Multimedia Technology, network technology it is commonly used, arrive greatly
Command center, the foundation of network management center, it is small to temporary meeting, the progress of technology lecture, all catch at big picture, colorful
Color, high brightness, high-resolution display effect, and traditional CRT monitor is difficult the requirement for meeting people's this respect.In recent years
Become the large screen projector technology that develops rapidly and solve the effective way that colored big picture is shown, application range is into one
Step is expanded, and market is also because of the growth day animando of demand.
Large screen projection is made of the image joint of more mutually independent projectors, to the essence of projector's combination
It spends more demanding.The frame that mating projector uses on the market at present is mostly curable type structure, and the frame of curable type structure occupies empty
Between it is larger, be unfavorable for storage and transportation.Further, since the frame structure of curable type structure is fixed, mounted on projector's lower portion
The corollary apparatus such as projecting apparatus, reflective mirror can not adjust position or projection angle, it is difficult to meet large screen projection under all kinds of environment
Use demand.
Invention content
It is simple in structure in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of back projection type frame projector,
Installation, convenient disassembly, conducive to storage and transportation, projecting apparatus, reflective mirror are mounted on the position of projector's lower portion, adjustable angle
Section can effectively meet the use demand of large screen projection under all kinds of environment.
The technical scheme is that：A kind of back projection type frame projector, including projecting apparatus, reflective mirror, the projecting apparatus,
Reflective mirror is mounted in the cube structure frame being made of more section bars and the installation combination of multiple connectors；
Column, crossbeam, the longeron of the cube structure frame are made by the section bar of same structure, the surrounding side wall of the section bar
On be respectively equipped with axially through T-slot, column section, cross beam sectional bar, longitudinal beam section bar both ends of the surface center be equipped with screw thread
Hole, the column section, cross beam sectional bar, longitudinal beam section bar that intersect at same apex angle of the cube structure frame pass through three-dimensional top
Angle connector connects, and the three-dimensional apical horn connector includes the connector matrix in square, intersects on the connector matrix
In the tenon that the truncation surface that truncation surface and T-slot are respectively equipped on the first end face of same apex angle, second end face, third end face coincide
Head, the tenon are used in the T-slot for being inserted into section bar form tongue and groove fit, and the connector matrix is equipped with respectively from first end
Matrix is run through in face through the first ladder hole of matrix, from second end face through the second ladder hole of matrix, from third end face
Third ladder hole, the major diameter section of each ladder hole is vertically intersected on connector matrix center, the miner diameter end of each ladder hole
It is located at the center of corresponding end face respectively, the three-dimensional apical horn connector passes through each ladder hole and upright post type by bolt respectively
The threaded hole thread fitting formation connection of material, cross beam sectional bar, longitudinal beam section bar is fixed, and the longitudinal beam section bar further includes reflective mirror bearing
Beam, projecting apparatus backbar, the reflective mirror backbar pass through two upright post types on rear side of internal corner connector and cube structure frame
Material connection is fixed, and the projecting apparatus backbar is connect by internal corner connector with two cross beam sectional bars of cube structure framework underside
Fixed, composite assembly forms cube structure frame；
The lower part at the reflective mirror back side is connected by articulated mounting with reflective mirror backbar, the top setting at the back side of reflective mirror
One end of fixed hinged seat, the fixed hinged seat and connecting rod is hinged, the other end and the L-shaped moveable hinge joint chair of the connecting rod
The first arm be hinged, the positioning of the second arm axle of the L-shaped moveable hinge joint chair is hinged on the hinged end of adjusting screw rod, the adjusting spiral shell
The elongated end of bar and the threaded hole thread fitting of fixed seat installed on the upper longitudinal beam section bar on rear side of cube structure frame and outer
It stretches, and is locked by lock nut, make reflective mirror just facing towards on front side of cube structure frame, and angle adjustable,
The projecting apparatus is fixed on by the bracket at corner of L-shaped on projecting apparatus backbar, and towards the front of reflective mirror.
The internal corner connector includes the right angle link block of global formation, and the right angle link block has X to connecting portion, Y
To connecting portion, wherein, to connecting portion, two sides that Y-direction connecting portion is right angle, the X is equipped with to connecting portion to X axis to be prolonged X
The first mounting hole stretched, the Y-direction connecting portion are equipped with the second mounting hole extended in the Y-axis, and the X connects to connecting portion, Y-direction
Between the medial surface of socket part formed bolt step down space, the X to connecting portion, Y-direction connecting portion lateral surface on be respectively equipped with
With the positioning trip of section bar T-slot notch cooperation.
The internal corner connector, articulated mounting, fixed seat, bracket at corner in bolt and section bar T-slot respectively by setting
Latch segment connection fix.
The truncation surface semicircular in shape of the latch segment, the semicircle string side are equipped with the positive stop lug boss of protrusion, the positive stop lug boss
Width d and the width of rebate of section bar T-slot coincide, the distance h on the positive stop lug boss daylight opening DLO latch segment circular arc arc top is less than
The width of rebate of section bar T-slot, a tapped through hole are through to the circular arc arc top of latch segment, the lock from positive stop lug boss table top center
An elastic piece is fixedly installed in the side of tight block circular arc.
Described elastic piece one end is fixedly connected with the side of latch segment circular arc, and the free end of elastic piece is equipped with opening and forms U
Shape structure.
The reflective mirror is mounted in reflective mirror frame, and the lower end of the reflective mirror frame passes through articulated mounting and reflective mirror
Backbar is connected, and the upper end of the reflective mirror frame is equipped with fixed hinged seat.
The reflective mirror frame passes through four reflective mirrors by two reflective mirror cruciform bracings and two reflective mirror frame rails
Framework connecting piece combination form, the reflective mirror cruciform bracing, reflective mirror frame rails truncation surface be rectangle, reflective mirror
Cruciform bracing, reflective mirror frame rails two axial ends face center be respectively equipped with threaded connection hole, reflective mirror cruciform bracing, reflective mirror
Frame rails truncation surface for side wall where rectangle short side be respectively equipped with axially through reflective mirror T-slot is installed；It is described anti-
Light microscopic framework connecting piece includes the connector matrix block with thickness, and the connector matrix block is square, the connector
The first side wall of same corner is intersected in matrix block, connection tenon is respectively equipped in second sidewall, the joint tongue on each side wall
Head quantity is two, be respectively equipped in the connector matrix block through-connections matrix block the first ladder connecting hole, the
Two ladder connecting holes, the first ladder connecting hole is vertical with the first side wall, and path mouth end is located at the center of the first side wall, position
, the second ladder connecting hole and the second side symmetrical along the first ladder connecting hole in two connection tenons on the first side wall
Wall is vertical, and path mouth end is located at the center of second sidewall, and two connection tenons in second sidewall connect along the second ladder
Connect that hole is symmetrical, the major diameter section of two ladder connecting holes intersects at the center of connector matrix block.
The articulated mounting is hinge.
The hinged end of the adjusting screw rod is equipped with ladder section, and the path end of the ladder section is blind equipped with axially extending screw thread
Hole, the second arm of the L-shaped moveable hinge joint chair is hinged on the miner diameter end of ladder section, with the end of axis positioning bolt and adjusting screw rod
Tapped blind hole thread fitting forms axis positioning and is hinged, alternatively, the hinged end of the adjusting screw rod is equipped with ladder section, the L-shaped is lived
Second arm of dynamic hinged seat is hinged on the miner diameter end of ladder section, and axis positioning is formed hingedly by pressing.
The fixed seat is L-shaped, horizontally extending and the upper longitudinal beam type on rear side of cube structure frame of the L-shaped fixed seat
The connection of material lower face is fixed, the adjutage downward vertically of the L-shaped fixed seat be threaded hole and adjusting screw rod thread fitting or
Person, the fixed seat are straight panel, the top of the straight panel fixed seat and the side wall of the upper longitudinal beam section bar on rear side of cube structure frame
Connection is fixed, and the lower part of the straight panel fixed seat is threaded hole and adjusting screw rod thread fitting.
It is had the advantages that using above-mentioned technical proposal：
1st, back projection type frame projector includes projecting apparatus, reflective mirror, and the projecting apparatus, reflective mirror are mounted on by more section bars and more
In the cube structure frame that a connector installation combination is formed, cube structure frame is detachable cage, and combination is formed
Frame structure is in use state or breaks forming material, convenient for storage and transportation.The column of the cube structure frame,
Crossbeam, longeron are made by the section bar of same structure, be respectively equipped on the surrounding side wall of the section bar axially through T-slot,
Column section, cross beam sectional bar, longitudinal beam section bar both ends of the surface center be equipped with threaded hole, column section, cross beam sectional bar, longitudinal beam section bar
Structure it is identical, it is easy to process, reduce manufacturing cost.The upright post type for intersecting at same apex angle of the cube structure frame
Material, cross beam sectional bar, longitudinal beam section bar are connected by three-dimensional apical horn connector, and the three-dimensional apical horn connector is included in square
Connector matrix, the first end face, second end face, third that same apex angle is intersected on the connector matrix are set respectively on end face
The tenon that the truncation surface for having truncation surface and T-slot coincide, the tenon are used to form tongue and groove fit in the T-slot for being inserted into section bar,
The connector matrix is equipped with respectively from first end face through the first ladder hole of matrix, from second end face through matrix
Second ladder hole, the third ladder hole for running through matrix from third end face, the major diameter section of each ladder hole are vertically intersected on company
Fitting matrix center, the miner diameter end of each ladder hole are located at the center of corresponding end face, the three-dimensional apical horn connector point respectively
Each ladder hole and the threaded hole thread fitting of column section, cross beam sectional bar, longitudinal beam section bar is not passed through to form connection by bolt
Fixed, the longitudinal beam section bar further includes reflective mirror backbar, projecting apparatus backbar, and the reflective mirror backbar is connected by inner corner trim
Part connect fixation with two column sections on rear side of cube structure frame, and the projecting apparatus backbar is by internal corner connector with standing
The two cross beam sectional bars connection of cube structure framework underside is fixed, and composite assembly forms cube structure frame, passes through three-dimensional apical horn
Connector connection column section, cross beam sectional bar, longitudinal beam section bar are fixedly connected with reflective mirror backbar, projection by internal corner connector
Instrument backbar, under the premise of the cube structure frame structure intensity for ensureing composite assembly, realize quick assembling come into operation,
Dismantle the demand for being convenient for storage and transportation for section bar.The lower part at the reflective mirror back side passes through articulated mounting and reflective mirror backbar
It is connected, the top at the back side of reflective mirror, which is set, fixes hinged seat, and one end of the fixed hinged seat and connecting rod is hinged, the company
The other end of extension bar and the first arm of L-shaped moveable hinge joint chair are hinged, and the second arm axle positioning of the L-shaped moveable hinge joint chair is hinged on
The hinged end of adjusting screw rod, the elongated end of the adjusting screw rod is with installing on the upper longitudinal beam section bar on rear side of cube structure frame
The threaded hole thread fitting of fixed seat and overhanging, and locked by lock nut, make reflective mirror just facing towards cube structure frame
On front side of frame, and angle adjustable, reflective mirror are detachably arranged in cube structure frame, facilitate installation, dismounting reflective mirror,
By adjusting reflective mirror angle, meet a variety of environment use demands.The projecting apparatus is fixed on projection by the bracket at corner of L-shaped
On instrument backbar, and towards the front of reflective mirror, projecting apparatus is detachably arranged in cube structure frame, facilitate installation,
Dismantle projecting apparatus.
2nd, internal corner connector, articulated mounting, fixed seat, bracket at corner are respectively by setting in bolt and section bar T-slot
Latch segment connection is fixed, fast and easy installation, dismounting internal corner connector, articulated mounting, fixed seat, bracket at corner.
It is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is invention rear side schematic diagram；
Fig. 2 is invention front side schematic diagram；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is invention reflective mirror block schematic illustration；
Fig. 5 is enlarged drawing at B in Fig. 4；
Fig. 6 is the connection diagram of reflective mirror of the present invention and upper longitudinal beam section bar, reflective mirror backbar；
Fig. 7 is enlarged drawing at C in Fig. 6；
Fig. 8 is enlarged drawing at D in Fig. 6；
Fig. 9 adjusts schematic diagram for reflective mirror angle of the present invention；
Figure 10 is latch segment schematic diagram of the present invention；
Figure 11 is the E of Figure 10 to schematic diagram；
Figure 12 is three-dimensional apical horn connector schematic diagram of the present invention；
Figure 13 is three-dimensional apical horn connector of the present invention and column section, cross beam sectional bar, longitudinal beam section bar connection diagram；
Figure 14 is internal corner connector schematic diagram of the present invention.
In attached drawing, 1 is projecting apparatus, and 2 be reflective mirror, and 3 be cube structure frame, and 4 be T-slot, and 5 be column section, and 6 are
Cross beam sectional bar, 7 be longitudinal beam section bar, and 8 be threaded hole, and 9 be three-dimensional apical horn connector, and 10 be connector matrix, and 11 be first end face,
12 be second end face, and 13 be third end face, and 14 be tenon, and 15 be the first ladder hole, and 16 be the second ladder hole, and 17 be third
Ladder hole, 18 be reflective mirror backbar, and 19 be projecting apparatus backbar, and 20 be internal corner connector, and 21 be articulated mounting, and 22 be solid
Determine hinged seat, 23 be connecting rod, and 24 be L-shaped moveable hinge joint chair, and 25 be adjusting screw rod, and 26 be fixed seat, and 27 be lock nut, 28
For bracket at corner, 29 be right angle link block, and 30 be X to connecting portion, and 31 be Y-direction connecting portion, and 32 be the first mounting hole, and 33 be second
Mounting hole, 34 be positioning trip, and 35 be latch segment, and 36 be positive stop lug boss, and 37 be tapped through hole, and 38 be elastic piece, and 39 be reflective
Cell mount, 40 be reflective mirror cruciform bracing, and 41 be reflective mirror frame rails, and 42 be reflective frame frame connector, and 43 connect for screw thread
Hole is connect, 44 install T-slot for reflective mirror, and 45 be connector matrix block, and 46 be the first side wall, and 47 be second sidewall, and 48 be connection
Tenon, 49 be the first ladder connecting hole, and 50 be the second ladder connecting hole.
Specific embodiment
It is a kind of specific embodiment of back projection type frame projector referring to Fig. 1 to Figure 14.Back projection type frame projector includes
Projecting apparatus 1, reflective mirror 2, the projecting apparatus 1, reflective mirror 2 are mounted on what is be made of more section bars and the installation combination of multiple connectors
In cube structure frame 3.The column of the cube structure frame 3, crossbeam, longeron by same structure aluminium alloy extrusions
Be made, be respectively equipped on the surrounding side wall of aluminium alloy extrusions axially through T-slot 4, the width of rebate of T-slot is narrow,
Slot bottom width is wide.Column section 5, cross beam sectional bar 6, longitudinal beam section bar 7 both ends of the surface center be equipped with threaded hole 8, in the present embodiment,
By the through-hole axially penetrated through in the setting of the middle part of section bar, threaded hole is formed in the both ends machining internal thread section of through-hole.It is described vertical
The column section 5, cross beam sectional bar 6, longitudinal beam section bar 7 that intersect at same apex angle of cube structure frame 3 are connected by three-dimensional apical horn
Fitting 9 connects, and the three-dimensional apical horn connector 9 includes the connector matrix 10 in square, phase on the connector matrix 10
It meets in the first end face 11, second end face 12, third end face 13 of same apex angle and is respectively equipped with blocking for truncation surface and T-slot 4
The tenon 14 that face coincide, in the present embodiment, the tenon quantity on each end face is two, with connector matrix using aluminium alloy one
Casting and forming, two tenons are distributed along the central symmetry of corresponding end surface, and corresponding with the T-slot on section bar, the tenon 14 is used for
It is inserted into the T-slot 4 of section bar and forms tongue and groove fit.The connector matrix 10 is equipped with runs through matrix from first end face 11 respectively
The first ladder hole 15, from second end face 12 through the second ladder hole 16 of matrix, from third end face 13 through matrix
Third ladder hole 17, the major diameter section of each ladder hole are vertically intersected on 10 center of connector matrix, the path of each ladder hole
End is located at the center of corresponding end face respectively, and the hole section between the crosspoint of each ladder hole and ladder hole hole shoulder is bolt head
Resigning section.The three-dimensional apical horn connector 9 respectively by bolt pass through each ladder hole and column section 5, cross beam sectional bar 6,
The threaded hole thread fitting of longitudinal beam section bar 7 forms connection and fixes, and makes column section, cross beam sectional bar, two twenty percent of longitudinal beam section bar vertical
Distribution.The longitudinal beam section bar 7 further includes reflective mirror backbar 18, projecting apparatus backbar 19, it is clear that, reflective mirror backbar is thrown
The structure of shadow instrument backbar is identical with the structure of longitudinal beam section bar and length is also identical, in the present embodiment, the number of reflective mirror backbar
It is one to measure, and the quantity of projecting apparatus backbar is two.The reflective mirror backbar 18 passes through internal corner connector 20 and cube
The two column sections connection of 3 rear side of structural framing is fixed, and the projecting apparatus backbar 10 passes through internal corner connector 20 and cube
The two cross beam sectional bars connection of 3 downside of structural framing is fixed, and composite assembly forms cube structure frame 3, specifically, inner corner trim connects
Part 20 includes the right angle link block 29 using aluminium alloy global formation, and the right angle link block 29 has X to connecting portion 30, Y-direction
Connecting portion 31, wherein, X is equipped with to connecting portion 30 to X to connecting portion 30, two sides that Y-direction connecting portion 31 is right angle, the X
The first axially extending mounting hole 32, the Y-direction connecting portion 31 are equipped with the second mounting hole 33 for extending in the Y-axis, the X to
Connecting portion 30, Y-direction connecting portion 31 medial surface between form the space that bolt is stepped down, the X is to connecting portion 30, Y-direction connecting portion
The positioning trip 34 coordinated with section bar T-slot notch is respectively equipped on 31 lateral surface.The lower part at 2 back side of reflective mirror passes through
Articulated mounting 21 is connected with reflective mirror backbar 18, and articulated mounting uses hinge, the fixed hinge of top setting at the back side of reflective mirror 2
Joint chair 22, the fixed hinged seat 22 and one end of connecting rod 23 are hinged, and the other end and the L-shaped of the connecting rod 23 are movably hinged
First arm of seat 24 is hinged, and the second arm axle positioning of the L-shaped moveable hinge joint chair 24 is hinged on the hinged end of adjusting screw rod 25, institute
State the threaded hole of fixed seat 26 installed on the elongated end of adjusting screw rod 25 and the upper longitudinal beam section bar of 3 rear side of cube structure frame
Thread fitting and overhanging, and pass through lock nut 27 and lock makes reflective mirror 2 just facing towards 3 front side of cube structure frame, and angle
Degree is adjustable, and in the present embodiment, the hinged end of adjusting screw rod 25 is equipped with ladder section, and the path end of the ladder section is equipped with axial prolong
The tapped blind hole stretched, the second arm of the L-shaped moveable hinge joint chair 24 are hinged on the miner diameter end of ladder section, with axis positioning bolt with adjusting
The blind threaded axis that cooperatively forms of end thread for saving screw rod positions hingedly, alternatively, the hinged end of the adjusting screw rod 25 is equipped with rank
Bench, the second arm of the L-shaped moveable hinge joint chair 24 are hinged on the miner diameter end of ladder section, and axis positioning is formed hingedly by pressing,
Fixed seat 26 is L-shaped, and the horizontally extending of the L-shaped fixed seat is connect with the upper longitudinal beam lower face of 3 rear side of cube structure frame
Fixed, the adjutage downward vertically of the L-shaped fixed seat is threaded hole and 25 thread fitting of adjusting screw rod, alternatively, the fixation
Seat 26 is straight panel, and the top of the straight panel fixed seat connect fixation with the side wall of the upper longitudinal beam of 3 rear side of cube structure frame, this is straight
The lower part of plate fixed seat is threaded hole and 25 thread fitting of adjusting screw rod.Reflective mirror 2 is mounted in reflective mirror frame 39, described
The lower end both sides of reflective mirror frame 39 are connected respectively by articulated mounting 21 with reflective mirror backbar 18, the reflective mirror frame 39
Upper end both sides be respectively equipped with fixed hinged seat 22, the concrete structure of reflective mirror frame 39 is that reflective mirror frame is reflective by two
Cell mount crossbeam 40 and two reflective mirror frame rails 41 are made up of four combinations of reflective frame frame connector 42, described reflective
Cell mount crossbeam 40, reflective mirror frame rails 41 truncation surface be rectangle, reflective mirror cruciform bracing 40, reflective mirror frame are indulged
The two axial ends face center of beam 41 is respectively equipped with threaded connection hole 43, and reflective mirror cruciform bracing 40, reflective mirror frame rails 41 are blocked
Face for side wall where rectangle short side be respectively equipped with axially through reflective mirror T-slot 44 is installed；The reflective mirror frame connects
Fitting 42 includes the connector matrix block 45 with thickness, and the connector matrix block 45 is square, the connector matrix
The first side wall 46 of same corner is intersected on block 45, connection tenon 48 is respectively equipped in second sidewall 47, the company on each side wall
48 quantity of joggle head is two, and the first ladder that through-connections matrix block is respectively equipped in the connector matrix block 45 connects
Hole 49, the second ladder connecting hole 50 are connect, the first ladder connecting hole 49 is vertical with the first side wall 46, and path mouth end is located at the
The center of one side wall 46, two connection tenons on the first side wall are symmetrical along the first ladder connecting hole 49, and described
Two ladder connecting holes 50 are vertical with second sidewall 47, and path mouth end is located at the center of second sidewall 47, in second sidewall
Two connection tenons it is symmetrical along the second ladder connecting hole 50, the major diameter section of two ladder connecting holes intersects at connector base
The center of body block 45.The projecting apparatus 1 is fixed on by the bracket at corner 28 of L-shaped on projecting apparatus backbar 19, and towards reflective
The front of mirror 2, corresponding, the quantity of bracket at corner is four, and two bracket at corner are one group, will positioned at the both sides of projecting apparatus
Projecting apparatus is fixed on projecting apparatus backbar.
Further, internal corner connector 20, articulated mounting 21, fixed seat 26, bracket at corner 28 pass through bolt and type respectively
The connection of latch segment 35 set in material T-slot is fixed, specifically, the truncation surface semicircular in shape of latch segment 35, the semicircle string side
Positive stop lug boss 36 equipped with protrusion, the width d and the width of rebate of section bar T-slot 4 of the positive stop lug boss 36 coincide, the limit convex
The distance h on platform daylight opening DLO latch segment circular arc arc top is less than the width of rebate of section bar T-slot 4, and a tapped through hole 37 is from positive stop lug boss
Table top center is through to the circular arc arc top of latch segment, and an elastic piece 38, the bullet is fixedly installed in the side of 35 circular arc of latch segment
Property 38 one end of piece be fixedly connected with the side of 35 circular arc of latch segment, the free end of elastic piece 38 is equipped with opening and forms U-shaped structure, will
Latch segment is fitted into the T-slot of section bar, and rotates 90 ° of angles, the positive stop lug boss of latch segment is made to be caught in the notch of T-slot, bullet
Property piece spring back to form axial limiting, by bolt pass through internal corner connector, articulated mounting, fixed seat, bracket at corner and section bar in
Latch segment thread fitting formation be strained and fixed.
Back projection type frame projector provided by the invention forms cube structure frame by connector connection section bar, protects
Card cube structure frame specification meet the requirements, can Rapid Combination into stereochemical structure for projection use or dismounting be section bar side
Just storage and transportation.Reflective mirror, projecting apparatus are removably mounted in cube structure frame, similary to have installation, dismounting side
Just advantage.Position, reflection angle by adjusting reflective mirror, the position of projecting apparatus can effectively meet large-size screen monitors under all kinds of environment
The use demand of curtain projection.
Claims (10)
1. a kind of back projection type frame projector, including projecting apparatus（1）, reflective mirror（2）, it is characterised in that：The projecting apparatus（1）、
Reflective mirror（2）Mounted on the cube structure frame being made of more section bars and the installation combination of multiple connectors（3）In；
The cube structure frame（3）Column, crossbeam, longeron by same structure section bar make, the surrounding of the section bar
Be respectively equipped on side wall axially through T-slot（4）, column section（5）, cross beam sectional bar（6）, longitudinal beam section bar（7）Both ends
Face center is equipped with threaded hole（8）, the cube structure frame（3）The column section for intersecting at same apex angle（5）, crossbeam
Section bar（6）, longitudinal beam section bar（7）Pass through three-dimensional apical horn connector（9）Connection, the three-dimensional apical horn connector（9）Including being in just
The connector matrix of cube（10）, the connector matrix（10）On intersect at the first end face of same apex angle（11）, second end
Face（12）, third end face（13）On be respectively equipped with truncation surface and T-slot（4）The tenon that coincide of truncation surface（14）, the tenon
（14）For being inserted into the T-slot of section bar（4）Middle formation tongue and groove fit, the connector matrix（10）It is equipped with respectively from first end
Face（11）Through the first ladder hole of matrix（15）, from second end face（12）Through the second ladder hole of matrix（16）, from
Third end face（13）Through the third ladder hole of matrix（17）, the major diameter section of each ladder hole is vertically intersected on connector matrix
（10）Center, the miner diameter end of each ladder hole are located at the center of corresponding end face, the three-dimensional apical horn connector respectively（9）Respectively
Each ladder hole and column section are passed through by bolt（5）, cross beam sectional bar（6）, longitudinal beam section bar（7）Threaded hole thread fitting shape
It is fixed into connection, the longitudinal beam section bar（7）Further include reflective mirror backbar（18）, projecting apparatus backbar（19）, the reflective mirror
Backbar（18）Pass through internal corner connector（20）With cube structure frame（3）The two column sections connection of rear side is fixed, described
Projecting apparatus backbar（10）Pass through internal corner connector（20）With cube structure frame（3）The two cross beam sectional bars connection of downside is solid
Fixed, composite assembly forms cube structure frame（3）；
The reflective mirror（2）The lower part at the back side passes through articulated mounting（21）With reflective mirror backbar（18）It is connected, reflective mirror（2）'s
The fixed hinged seat of top setting at the back side（22）, the fixed hinged seat（22）With connecting rod（23）One end be hinged, the company
Extension bar（23）The other end and L-shaped moveable hinge joint chair（24）The first arm be hinged, the L-shaped moveable hinge joint chair（24）The second arm
Axis positioning is hinged on adjusting screw rod（25）Hinged end, the adjusting screw rod（25）Elongated end and cube structure frame（3）
The fixed seat installed on the upper longitudinal beam section bar of rear side（26）Threaded hole thread fitting and overhanging, and pass through lock nut（27）Lock
It is fixed, make reflective mirror（2）Just facing towards cube structure frame（3）Front side, and angle adjustable,
The projecting apparatus（1）Pass through the bracket at corner of L-shaped（28）It is fixed on projecting apparatus backbar（19）On, and towards reflective mirror
（2）Front.
2. back projection type frame projector according to claim 1, it is characterised in that：The internal corner connector（20）Including whole
Body formed right angle link block（29）, the right angle link block（29）With X to connecting portion（30）, Y-direction connecting portion（31）,
In, X is to connecting portion（30）, Y-direction connecting portion（31）For two sides at right angle, the X is to connecting portion（30）It is equipped with and prolongs to X axis
The first mounting hole stretched（32）, the Y-direction connecting portion（31）It is equipped with the second mounting hole extended in the Y-axis（33）, the X to
Connecting portion（30）, Y-direction connecting portion（31）Medial surface between form the space that bolt is stepped down, the X is to connecting portion（30）, Y-direction
Connecting portion（31）Lateral surface on be respectively equipped with the positioning trip coordinated with section bar T-slot notch（34）.
3. back projection type frame projector according to claim 1, it is characterised in that：The internal corner connector（20）, it is hinged
Device（21）, fixed seat（26）, bracket at corner（28）Latch segment by being set in bolt and section bar T-slot respectively（35）Connection
It is fixed.
4. back projection type frame projector according to claim 3, it is characterised in that：The latch segment（35）Truncation surface be in
Semicircle, the semicircle string side are equipped with the positive stop lug boss of protrusion（36）, the positive stop lug boss（36）Width d and section bar T-slot（4）
Width of rebate coincide, the distance h on the positive stop lug boss daylight opening DLO latch segment circular arc arc top is less than section bar T-slot（4）Notch
Width, a tapped through hole（37）The circular arc arc top of latch segment, the latch segment are through to from positive stop lug boss table top center（35）Circle
An elastic piece is fixedly installed in the side of arc（38）.
5. back projection type frame projector according to claim 4, it is characterised in that：The elastic piece（38）One end and locking
Block（35）The side of circular arc is fixedly connected, elastic piece（38）Free end be equipped with opening form U-shaped structure.
6. back projection type frame projector according to claim 1, it is characterised in that：The reflective mirror（2）Mounted on reflective
Cell mount（39）In, the reflective mirror frame（39）Lower end pass through articulated mounting（21）With reflective mirror backbar（18）It is connected,
The reflective mirror frame（39）Upper end be equipped with fixed hinged seat（22）.
7. back projection type frame projector according to claim 6, it is characterised in that：The reflective mirror frame（39）By two
Reflective mirror cruciform bracing（40）With two reflective mirror frame rails（41）Pass through four reflective frame frame connectors（42）Combine structure
Into the reflective mirror cruciform bracing（40）, reflective mirror frame rails（41）Truncation surface be rectangle, reflective mirror cruciform bracing
（40）, reflective mirror frame rails（41）Two axial ends face center be respectively equipped with threaded connection hole（43）, reflective mirror cruciform bracing
（40）, reflective mirror frame rails（41）Truncation surface for side wall where rectangle short side be respectively equipped with axially through reflective mirror pacify
Fill T-slot（44）；The reflective frame frame connector（42）Including the connector matrix block with thickness（45）, the connector
Matrix block（45）It is square, the connector matrix block（45）On intersect at the first side wall of same corner（46）, the second side
Wall（47）On be respectively equipped with connection tenon（48）, the connection tenon on each side wall（48）Quantity is two, the connector base
Body block（45）On be respectively equipped with the first ladder connecting hole of through-connections matrix block（49）, the second ladder connecting hole（50）, institute
State the first ladder connecting hole（49）With the first side wall（46）Vertically, path mouth end is located at the first side wall（46）Center, be located at
Two connection tenons on the first side wall are along the first ladder connecting hole（49）It is symmetrical, the second ladder connecting hole（50）With
Second sidewall（47）Vertically, path mouth end is located at second sidewall（47）Center, two joint tongues in second sidewall
Head is along the second ladder connecting hole（50）Symmetrical, the major diameter section of two ladder connecting holes intersects at connector matrix block（45）'s
Center.
8. back projection type frame projector according to claim 1, it is characterised in that：The articulated mounting（21）For hinge.
9. back projection type frame projector according to claim 1, it is characterised in that：The adjusting screw rod（25）Hinged end
Equipped with ladder section, the path end of the ladder section is equipped with axially extending tapped blind hole, the L-shaped moveable hinge joint chair（24）
Two arms are hinged on the miner diameter end of ladder section, are determined with the blind threaded axis that cooperatively forms of the end thread of axis positioning bolt and adjusting screw rod
Position is hinged, alternatively, the adjusting screw rod（25）Hinged end be equipped with ladder section, the L-shaped moveable hinge joint chair（24）The second arm
The miner diameter end of ladder section is hinged on, axis positioning is formed hingedly by pressing.
10. back projection type frame projector according to claim 1, it is characterised in that：The fixed seat（26）It is L-shaped, the L
The horizontally extending of shape fixed seat and cube structure frame（3）The upper longitudinal beam section bar lower face connection of rear side is fixed, which consolidates
The adjutage downward vertically of reservation is threaded hole and adjusting screw rod（25）Thread fitting, alternatively, the fixed seat（26）It is straight
Plate, top and the cube structure frame of the straight panel fixed seat（3）The side wall connection of the upper longitudinal beam section bar of rear side is fixed, the straight panel
The lower part of fixed seat is threaded hole and adjusting screw rod（25）Thread fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144760.8A CN108169992B (en) | 2018-02-12 | 2018-02-12 | Rear projection type frame projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144760.8A CN108169992B (en) | 2018-02-12 | 2018-02-12 | Rear projection type frame projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108169992A true CN108169992A (en) | 2018-06-15 |
| CN108169992B CN108169992B (en) | 2024-02-06 |
Family
ID=62513826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144760.8A Active CN108169992B (en) | 2018-02-12 | 2018-02-12 | Rear projection type frame projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108169992B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004013422U1 (en) * | 2004-08-27 | 2004-10-28 | Daszinnies, Günter | Mounting for beamer projector has projector support and support frame assembled at least partially from profiled rails along which slide connecting elements and fastening elements |
| FR2880431A1 (en) * | 2005-01-06 | 2006-07-07 | Thomson Licensing Sa | Overhead projector for projecting image, has fixation units with tabs integrated respectively with adjustable plane reflecting mirror and case, and allowing translational displacement of mirror which reflects beam towards projection screen |
| CN204256240U (en) * | 2014-11-21 | 2015-04-08 | 深圳市绎立锐光科技开发有限公司 | Reflective mirror adjusting gear and there is its projector |
| CN206505252U (en) * | 2016-12-23 | 2017-09-19 | 长春天骄翔宇科技有限公司 | A kind of back-projection screen mounting bracket for being easy to adjust |
| CN207924356U (en) * | 2018-02-12 | 2018-09-28 | 重庆融豪太视科技有限公司 | Back projection type frame projector |
-
2018
- 2018-02-12 CN CN201810144760.8A patent/CN108169992B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004013422U1 (en) * | 2004-08-27 | 2004-10-28 | Daszinnies, Günter | Mounting for beamer projector has projector support and support frame assembled at least partially from profiled rails along which slide connecting elements and fastening elements |
| FR2880431A1 (en) * | 2005-01-06 | 2006-07-07 | Thomson Licensing Sa | Overhead projector for projecting image, has fixation units with tabs integrated respectively with adjustable plane reflecting mirror and case, and allowing translational displacement of mirror which reflects beam towards projection screen |
| CN204256240U (en) * | 2014-11-21 | 2015-04-08 | 深圳市绎立锐光科技开发有限公司 | Reflective mirror adjusting gear and there is its projector |
| CN206505252U (en) * | 2016-12-23 | 2017-09-19 | 长春天骄翔宇科技有限公司 | A kind of back-projection screen mounting bracket for being easy to adjust |
| CN207924356U (en) * | 2018-02-12 | 2018-09-28 | 重庆融豪太视科技有限公司 | Back projection type frame projector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108169992B (en) | 2024-02-06 |
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