CN113983334A

CN113983334A - LCOS micro projector with convenient support

Info

Publication number: CN113983334A
Application number: CN202111282723.1A
Authority: CN
Inventors: 姚小龙; 马仁祥; 姚振罡
Original assignee: Jilin Ju Hong Intelligent Technology Co ltd
Current assignee: Jilin Ju Hong Intelligent Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-01-28
Anticipated expiration: 2041-11-01
Also published as: CN113983334B

Abstract

The invention discloses an LCOS (liquid crystal on silicon) micro projector with a convenient bracket, and relates to the technical field of digital imaging. Including the LCOS miniature projector, still include: the loading box body is provided with a cover body for sealing the loading box body; the fixing mechanism is arranged on the cover body and fixes the LCOS micro projector on the cover body, and the fixing mechanism for fixing the LCOS micro projector can be arranged in the loading box body and is sealed and covered by the cover body; the supporting legs are multiple groups with the same structure; the supporting legs have a first splicing state and a second splicing state, and in the first splicing state, a plurality of groups of supporting legs are connected end to end and arranged between the loading box body and the fixing mechanism to support the fixing mechanism; when in the second splicing state, the multiple groups of supporting legs are spliced from bottom to top in a mutually parallel state, and then can be accommodated in the loading box body and pressed and fixed through the cover body; the loading box body is provided with an inner side containing space for containing the LCOS micro projector and the fixing mechanism and an outer side containing space for containing the plurality of groups of supporting legs.

Description

LCOS micro projector with convenient support

Technical Field

The invention relates to the technical field of digital imaging, in particular to an LCOS (liquid crystal on silicon) micro projector with a convenient bracket.

Background

LCOS miniature projector is a novel reflective microLCD projection technology, compared with the penetration LCD and DLP, LCOS has the advantages of high light utilization efficiency, small volume, high aperture opening ratio, mature manufacturing technology and the like, and can easily realize high resolution and sufficient color expression.

Although the current LCOS miniature projector is small in size and convenient to carry, the bracket cannot be mounted. Because the use of projecting apparatus needs and the projection curtain between possess certain distance, and still need the projecting apparatus to settle at a take the altitude, if meet and carry the miniature projecting apparatus of LCOS to spacious place, can't support the miniature projecting apparatus of LCOS and can't use, and some supports that are used for the projecting apparatus also can't match the use with the miniature projecting apparatus of LCOS because bulky inconvenient carrying, it is very inconvenient to use, in order to solve this problem, it is very necessary to design the miniature projecting apparatus of LCOS that has convenient support.

Disclosure of Invention

The present invention is to solve the above technical problems, and provides an LCOS micro projector with a convenient bracket.

In order to solve the technical problems, the technical scheme of the invention is as follows:

LCOS miniature projector with convenient support, including the LCOS miniature projector, still include:

the loading box body is provided with a cover body for sealing the loading box body;

the fixing mechanism is arranged on the cover body and fixes the LCOS miniature projector on the cover body, and the fixing mechanism for fixing the LCOS miniature projector can be arranged in the loading box body and is sealed and covered by the cover body;

the supporting legs are multiple groups with the same structure;

the supporting legs have a first splicing state and a second splicing state, and in the first splicing state, a plurality of groups of the supporting legs are connected end to end and arranged between the loading box body and the fixing mechanism to support the fixing mechanism; when the supporting legs are in the second splicing state, the supporting legs are spliced from bottom to top in a mutually parallel state, and then can be accommodated in the loading box body and pressed and fixed through the cover body;

the loading box body is provided with an inner side containing space for containing the LCOS micro projector and the fixing mechanism and an outer side containing space for loading a plurality of groups of supporting legs which are overlapped from bottom to top in a mutually parallel state.

Preferably, the loading box body comprises a base plate and a side coaming arranged on the base plate;

the side wall plates comprise two groups of first side plates and two groups of second side plates which are connected end to form a quadrilateral enclosing plate, wherein the two groups of first side plates are distributed oppositely, and the two groups of second side plates are distributed oppositely and positioned between the two groups of first side plates;

in the space between the two groups of first side plates, the space between the two groups of second side plates is used as an inner side containing space, and the space except the space between the two groups of second side plates is used as an outer side containing space.

Preferably, the height of the two groups of second side plates is smaller than the height of the two groups of first side plates, the height difference is equal to the thickness of the cover body, the cover body is arranged between the two groups of first side plates and located above the two groups of second side plates, and the cover body is connected with the two groups of first side plates through bolts.

Preferably, the fixing mechanism includes:

the LCOS miniature projector support comprises a bottom support plate, a first screw groove and a second screw groove, wherein the bottom support plate is used for supporting an LCOS miniature projector, connecting rods are vertically arranged at four corners of the upper surface of the bottom support plate, and the end face, opposite to one end of the bottom support plate, of each connecting rod is provided with a first screw groove;

the assembling blocks are four groups with the same structure and are arranged on the cover body, the four groups of assembling blocks are arranged corresponding to the positions of the connecting rods at the four corners of the upper surface of the bottom supporting plate, the assembling blocks penetrate through the cover body, one end of each assembling block is provided with a limiting groove for inserting the connecting rods, the other end of each assembling block is provided with a first threaded hole communicated with the limiting groove, a first bolt in threaded fit with the first threaded hole is arranged in the first threaded hole, and the first bolt is in threaded fit with the first threaded groove;

and the ventilation window is arranged on the bottom supporting plate, and a dustproof ventilation net is embedded and connected on the inner side of the ventilation window.

Preferably, the fixing mechanism further comprises a pressing mechanism arranged between the cover body and the bottom supporting plate, the pressing mechanism comprises two groups of anti-collision cotton covered on the cover body and connected to the bottom supporting plate, the anti-collision cotton faces the surface of one side of the bottom supporting plate, the arc-shaped elastic pieces are connected to the bottom supporting plate and face the surface of one side of the cover body, the arc-shaped elastic pieces are identical in structure and arranged in parallel, and the arc-shaped elastic pieces stretch across the ventilation window.

Preferably, the supporting leg comprises a cylinder, one end of the cylinder is axially provided with a second thread groove, the other end of the cylinder is axially provided with a stud corresponding to the second thread groove, a side surface of the cylinder is radially provided with an inserting groove, and a side surface of the cylinder opposite to the side of the inserting groove is radially provided with an inserting column corresponding to the inserting groove.

Preferably, when the supporting legs are in the first splicing state, the multiple groups of supporting legs are connected end to end, and the studs on the columns are screwed into the second threaded grooves on the adjacent columns for threaded connection;

among the multiple groups of supporting legs which are connected end to end, one end, facing the base plate, of the supporting leg at the bottommost end is connected with the base plate through a first connecting structure, and one end, facing the bottom supporting plate, of the supporting leg at the topmost end is connected with the bottom supporting plate through a second connecting structure.

Preferably, when the supporting legs are in the second splicing state, the groups of the supporting legs are spliced from bottom to top in a mutually parallel state, and the splicing columns on the column bodies are inserted into the splicing grooves on the adjacent column bodies for connection;

the upper surface of the base plate is provided with a positioning groove corresponding to the inserting column, the lower surface of the cover body is provided with a limiting column corresponding to the inserting groove, so that in a plurality of groups of the supporting legs in a stacking state, the inserting column on one side of the column body of the supporting leg at the bottommost end, which faces to the base plate, is inserted into the positioning groove, the cover body compresses the supporting leg, and the limiting column is inserted into the inserting groove on the column body of the supporting leg at the topmost end, which faces to the cover body.

Preferably, the first connecting structure comprises four groups of same structures, is arranged at four corners of the upper surface of the substrate and is used for respectively connecting the four groups of supporting legs which finish end-to-end connection, the first connecting structure comprises a cylindrical seat connected to the upper surface of the substrate, and a third threaded groove in threaded fit with the studs is formed in the upper end face of the cylindrical seat.

Preferably, the second connecting structure is connected with four groups of the same structure and arranged at four corners of the lower surface of the bottom supporting plate and in one-to-one correspondence with the four groups of the first connecting structure, the second connecting structure comprises a slot which is formed in the lower surface of the bottom supporting plate and can enable the cylinder to be inserted, a second threaded hole is formed in the upper surface of the bottom supporting plate, the second threaded hole is communicated with the slot and is located on the same axis, a second bolt in threaded fit with the second threaded hole is arranged in the second threaded hole, and the second bolt is in threaded fit with the second threaded groove.

The invention has the following beneficial effects:

according to the LCOS micro projector with the convenient support, firstly, the LCOS micro projector is fixed on the cover body and can be placed into the loading box body for storage, the requirement of convenience in carrying is met, meanwhile, the LCOS micro projector can be protected, meanwhile, the support legs can be spliced to form the support through the first splicing state to support the LCOS micro projector for use through the second splicing state, and can be conveniently brought into the loading box body for carrying along with the LCOS micro projector after being spliced through the second splicing state. In conclusion, the device not only meets the portability of the LCOS miniature projector, but also has the protection performance and the supporting function for the LCOS miniature projector on the basis of portability, so that the LCOS miniature projector can be properly supported and used at any time, and the flexibility and the convenience in use are improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of an LCOS miniature projector with a convenient mount according to the present invention;

fig. 2 is a schematic view of the support legs of the LCOS pico projector with convenient stand of the present invention supporting the LCOS pico projector and the fixing mechanism in the first splicing state;

FIG. 3 is a schematic illustration of the legs of an LCOS miniature projector with a convenient mount of the present invention in a second tiled state;

FIG. 4 is a front view of an LCOS pico projector with a convenient mount of the present invention;

FIG. 5 is a front, cross-sectional view of a leg of an LCOS micro projector with a convenient mount of the present invention in a second, cross-sectional configuration;

FIG. 6 is a top view of the substrate of an LCOS miniature projector with a convenient mount of the present invention;

fig. 7 is a top view of the bottom bracket of an LCOS pico projector with a convenient mount of the present invention.

The reference numerals in the figures denote:

1. LCOS miniature projectors; 2. a cover body; 3. a substrate; 4. a first side plate; 5. a second side plate; 6. a bottom pallet; 7. a connecting rod; 8. a first threaded groove; 9. assembling the block; 10. a limiting groove; 11. a first threaded hole; 12. a first bolt; 13. a ventilation window; 14. a dust-proof ventilation net; 15. crashproof cotton; 16. an arc-shaped elastic sheet; 17. a cylinder; 18. a second threaded recess; 19. a stud; 20. inserting grooves; 21. inserting the column; 22. a positioning groove; 23. a limiting column; 24. a cylindrical seat; 25. a third threaded groove; 26. a slot; 27. a second threaded hole; 28. and a second bolt.

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. 1-7, the LCOS pico projector with a convenient bracket includes the LCOS pico projector 1, and further includes:

a loading box body, wherein the loading box body is provided with a cover body 2 for sealing the loading box body;

the fixing mechanism is arranged on the cover body 2 and fixes the LCOS micro projector 1 on the cover body 2, and the fixing mechanism for fixing the LCOS micro projector 1 can be arranged in the loading box body and is sealed by the cover body 2;

the supporting legs are multiple groups with the same structure;

the supporting legs have a first splicing state and a second splicing state, and in the first splicing state, a plurality of groups of supporting legs are connected end to end and arranged between the loading box body and the fixing mechanism to support the fixing mechanism; in the second splicing state, the multiple groups of supporting legs are spliced from bottom to top in a mutually parallel state, and then can be accommodated in the loading box body and pressed and fixed through the cover body 2;

the loading case has an inner receiving space for receiving the LCOS micro projector 1 and the fixing mechanism and an outer receiving space for receiving a plurality of sets of legs stacked from bottom to top in a parallel state.

It is specific, at first through fixing LCOS miniature projector 1 on lid 2, and can put into and load the box body and deposit, satisfy the requirement that conveniently carries and can also play the protection to LCOS miniature projector 1 simultaneously, utilize the first concatenation state and the second concatenation state of landing leg simultaneously, make the landing leg can form the support through the concatenation of first concatenation state and use in order to support LCOS miniature projector 1, can also conveniently incorporate after the concatenation of second concatenation state and load the box body and carry along with LCOS miniature projector 1.

In conclusion, the device not only meets the portability of the LCOS miniature projector, but also has the protection performance and the supporting function for the LCOS miniature projector on the basis of portability, so that the LCOS miniature projector can be properly supported and used at any time, and the flexibility and the convenience in use are improved.

Further, the loading box comprises a substrate 3 and side enclosing plates arranged on the substrate 3, that is, the substrate 3 and the side enclosing plates on the substrate 3 form the loading box;

the side wall plates comprise two groups of first side plates 4 and two groups of second side plates 5 which are connected end to form a quadrilateral side wall plate, wherein the two groups of first side plates 4 are oppositely distributed, and the two groups of second side plates 5 are oppositely distributed and positioned between the two groups of first side plates 4;

in the space between the two sets of first side plates 4, the space between the two sets of second side plates 5 is used as an inner accommodating space, the space except the space between the two sets of second side plates 5 is used as an outer accommodating space, namely, the two sets of second side plates 5 are not adjacent to the edges of the base plate 3 and the first side plates 4, but are fixed at the positions deviated towards the central direction, and then the outer accommodating space is surrounded by the second side plates 5, the end parts of the first side plates 4 and the end parts of the base plate 3 and is used for accommodating a plurality of sets of support legs which are spliced from bottom to top in a mutually parallel state.

Further, two sets of second curb plates 5 highly are less than two sets of first curb plates 4 height, and the difference in height equals lid 2 thickness, lid 2 sets up between two sets of first curb plates 4 and is located two sets of second curb plates 5 tops, pass through bolted connection between lid 2 and two sets of first curb plates 4, it is concrete, can set up the screw hole at the side of first curb plate 4, set up the thread groove at lid 2 side, come to fix between lid 2 and the first curb plate 4 through the screw-thread fit between bolt and screw hole and the thread groove then, the position of lid 2 has been fixed then, also fixed the landing leg under LCOS miniature projector 1 and the second concatenation state.

Further, the fixing mechanism includes:

the LCOS miniature projector comprises a bottom supporting plate 6, wherein the bottom supporting plate 6 is used for supporting the LCOS miniature projector 1, four corners of the upper surface of the bottom supporting plate 6 are vertically provided with connecting rods 7, and a first threaded groove 8 is formed in the end face, opposite to one end of the bottom supporting plate 6, of each connecting rod 7;

the assembling block 9, the assembling block 9 is four groups with the same structure and set on the body of the cover 2, the assembling block 9 of four groups is set up with the tie rod 7 position of the upper surface four corners of bottom brace 6 correspondingly, the assembling block 9 runs through the body of the cover 2, one end of assembling block 9 has spacing recess 10 making tie rod 7 insert, another end has first screwed hole 11 communicated with spacing recess 10, first screwed hole 11 have with its first bolt 12 of screw-thread fit, screw-thread fit between first threaded recess 8 and the first bolt 12;

and the ventilation window 13 is arranged on the bottom supporting plate 6, and the inner side of the ventilation window 13 is embedded and connected with a dustproof ventilation net 14.

Specifically, after the LCOS micro projector 1 is placed on the bottom supporting plate 6, the cover body 2 is covered, the upper end of the connecting rod 7 is inserted into the corresponding limiting groove 10 on the assembling block 9, and the first bolt 12 is matched with the first threaded hole 11 and the first threaded groove 8 in a threaded manner to fix the bolts. After the LCOS micro projector 1 is fixed, the LCOS micro projector 1 can be conveniently lifted for use by lifting the cover body 2, or the operation of the mounting bracket is carried out, and the LCOS micro projector 1 can be controlled by a remote controller and the like, so that a pulling handle can be arranged on the cover body 2. Wherein if have button or screen etc. on the LCOS micro projector 1, the first LCOS micro projector 1 that is fixed is open space all around, can carry out button etc. operation at any time to through taking off first bolt 12, can take off lid 2 at any time, operate button or screen etc. on the LCOS micro projector 1, or take out the body of LCOS micro projector 1. Wherein ventilation window 13 plays the ventilation effect, plays the radiating effect to LCOS miniature projector 1, and dustproof ventilation net 14 not only can ventilate, can also filter particulate matter and dust, plays certain guard action.

Furthermore, the fixing mechanism further comprises a pressing mechanism arranged between the cover body 2 and the bottom supporting plate 6, the pressing mechanism comprises an anti-collision cotton 15 covering the surface of one side of the cover body 2, which faces the bottom supporting plate 6, and arc-shaped elastic pieces 16 connected to the surface of one side of the bottom supporting plate 6, which faces the cover body 2, the arc-shaped elastic pieces 16 are two groups with the same structure and are arranged in parallel, and the arc-shaped elastic pieces 16 span over the ventilation window 13.

Specifically, arc shell fragment 16 supports LCOS miniature projector 1 and makes its direct contact who avoids with dustproof ventilation net 14, heat dispersion is improved, and simultaneously, 16 arc appearances of arc shell fragment possess elasticity when supporting LCOS miniature projector 1, play the cushioning effect, the clamping-force between the crashproof cotton 15 on elasticity reaction force and the lid 2 simultaneously, not only can not harm LCOS miniature projector 1, can also play the fixed effect to LCOS miniature projector 1, fixed safety and stability more.

Further, the landing leg includes the cylinder 17, second thread groove 18 has been seted up to cylinder 17 one end axial, stud 19 that the other end axial was seted up and is corresponded with second thread groove 18, also be connected through the screw-thread fit between second thread groove 18 and the stud 19 between two adjacent cylinders 17 on the axial, grafting recess 20 has radially been seted up on the side surface of cylinder 17, be equipped with the grafting post 21 that corresponds with grafting recess 20 on the side surface of the opposite side of grafting recess 20 place on the cylinder 17 radially, also in two adjacent landing legs that the parallel state of each other carried out the from bottom to top stack, grafting post 21 on the cylinder 17 carries out spacing connection and accomplishes the stack of multiunit landing leg in grafting recess 20 through pegging graft.

Furthermore, when the supporting legs are in the first splicing state, the multiple groups of supporting legs are connected end to end, and the studs 19 on the columns 17 are screwed into the second threaded grooves 18 on the adjacent columns 17 for threaded connection;

wherein, in the multiunit landing leg of accomplishing end to end connection, be connected through first connection structure between its one end towards base plate 3 of landing leg that is in the bottom and the base plate 3, be connected through the second connection structure between its one end towards bottom layer board 6 of landing leg that is in the top and bottom layer board 6, support bottom layer board 6 and LCOS miniature projector 1 through the multiunit landing leg of accomplishing end to end connection then.

Furthermore, when the supporting legs are in the second splicing state, a plurality of groups of supporting legs are spliced from bottom to top in a mutually parallel state, and the inserting columns 21 on the column bodies 17 are inserted into the inserting grooves 20 on the adjacent column bodies 17 for connection;

wherein, the upper surface of the base plate 3 is provided with a positioning groove 22 corresponding to the inserting column 21, the lower surface of the cover body 2 is provided with a limiting column 23 corresponding to the inserting groove 20, so that in a plurality of groups of supporting legs in the overlapping state, the inserting column 21 on one side of the cylinder 17 of the supporting leg at the bottommost end facing to the base plate 3 is inserted into the positioning groove 22, and the cover body 2 compresses the supporting leg and enables the limiting column 23 to be inserted into the inserting groove 20 on the cylinder 17 of the supporting leg at the topmost end facing to the cover body 2. Wherein, limiting through the positioning groove 22 and the spacing post 23 to the multiunit landing leg under the amalgamation state, it is fixed to combine compressing tightly after the installation of lid 2, can be with the stable fixing of multiunit landing leg in the outside storage space.

Further, first connection structure includes that the structure is the same four groups and arranges in base plate 3 upper surface four corners department, be used for connecting four groups respectively and accomplish the landing leg of end to end connection, also support fixed establishment through four groups of landing legs that accomplish end to end connection, or also can be that three groups of landing legs that accomplish end to end connection also can be stable support fixed establishment, specific quantity that can corresponding adaptation landing leg, first connection structure is including connecting the column type seat 24 at base plate 3 upper surface, column type seat 24 up end offer with stud 19 between screw-thread fit's third thread groove 25. Specifically, the threaded connection is made by screwing the stud 19 on the column 17 in the lowermost leg into the third threaded recess 25.

Further, the second connection structure is connected with four groups of the same structure, arranged at four corners of the lower surface of the bottom supporting plate 6 and arranged in a one-to-one correspondence manner between the four groups of the first connection structures, that is, the number and the position of the second connection structures on the bottom supporting plate 6 are arranged in a one-to-one correspondence manner between the first connection structures, the second connection structure comprises a slot 26 which is arranged on the lower surface of the bottom supporting plate 6 and can enable the column body 17 to be inserted, a second threaded hole 27 is arranged on the upper surface of the bottom supporting plate 6, the second threaded hole 27 is communicated with the slot 26 and is positioned on the same axis, a second bolt 28 in threaded fit with the second threaded hole 27 is arranged in the second threaded hole 27, and the second bolt 28 is in threaded fit with the second threaded groove 18. Specifically, after the supporting legs at the lower end parts are connected through the first connecting structure, the supporting legs at the top end parts are positioned, the column bodies 17 of the supporting legs are inserted into the slots 26 to be positioned, deviation in the installation process of the column bodies 17 is prevented, the connection stability of the column bodies 17 is also improved, and the second bolts 28 in the second threaded holes 27 are in threaded connection with the second threaded grooves 18 in a threaded matching mode to complete installation of the support.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. LCOS miniature projector with convenient support, including LCOS miniature projector (1), its characterized in that still includes:

a loading box body, wherein a cover body (2) for sealing the loading box body is arranged on the loading box body;

the fixing mechanism is arranged on the cover body (2) and fixes the LCOS miniature projector (1) on the cover body (2), and the fixing mechanism for fixing the LCOS miniature projector (1) can be arranged in the loading box body and is sealed through the cover body (2);

the supporting legs are multiple groups with the same structure;

the supporting legs have a first splicing state and a second splicing state, and in the first splicing state, a plurality of groups of the supporting legs are connected end to end and arranged between the loading box body and the fixing mechanism to support the fixing mechanism; when in the second splicing state, the multiple groups of supporting legs are spliced from bottom to top in a mutually parallel state, and then can be accommodated in the loading box body and pressed and fixed through the cover body (2);

the loading box body is provided with an inner side containing space for containing the LCOS miniature projector (1) and the fixing mechanism and an outer side containing space for loading a plurality of groups of supporting legs which are overlapped from bottom to top in a mutually parallel state.

2. LCOS pico projector with convenient support according to claim 1, characterised in that said loading box comprises a base plate (3) and side coamings arranged on said base plate (3);

the side wall plates comprise two groups of first side plates (4) and two groups of second side plates (5) which are connected end to form a quadrilateral wall plate, wherein the two groups of first side plates (4) are oppositely distributed, and the two groups of second side plates (5) are oppositely distributed and positioned between the two groups of first side plates (4);

in the space between the two groups of first side plates (4), the space between the two groups of second side plates (5) is used as an inner accommodating space, and the space except the space between the two groups of second side plates (5) is used as an outer accommodating space.

3. The LCOS pico projector with a convenient bracket according to claim 2, wherein the height of the two sets of second side plates (5) is less than the height of the two sets of first side plates (4), and the height difference is equal to the thickness of the cover (2), the cover (2) is disposed between the two sets of first side plates (4) and above the two sets of second side plates (5), and the cover (2) is connected with the two sets of first side plates (4) through bolts.

4. An LCOS pico projector as claimed in claim 2, wherein said fixing mechanism comprises:

the LCOS miniature projector comprises a bottom supporting plate (6), wherein the bottom supporting plate (6) is used for supporting an LCOS miniature projector (1), connecting rods (7) are vertically arranged at four corners of the upper surface of the bottom supporting plate (6), and a first threaded groove (8) is formed in the end face, opposite to one end of the bottom supporting plate (6), of each connecting rod (7);

the assembling block (9) is provided with four groups with the same structure and is arranged on the cover body (2), the four groups of assembling blocks (9) are arranged corresponding to the connecting rods (7) at the four corners of the upper surface of the bottom supporting plate (6), the assembling blocks (9) penetrate through the cover body (2), one end of each assembling block (9) is provided with a limiting groove (10) for inserting the connecting rod (7), the other end of each assembling block is provided with a first threaded hole (11) communicated with the limiting groove (10), a first bolt (12) in threaded fit with the first threaded hole (11) is arranged in the first threaded hole (11), and the first bolt (12) is in threaded fit with the first threaded groove (8);

and the ventilation window (13), the ventilation window (13) is arranged on the bottom supporting plate (6), and a dustproof ventilation net (14) is embedded and connected on the inner side of the ventilation window (13).

5. The LCOS miniature projector with convenient bracket as claimed in claim 4, wherein said fixing mechanism further comprises a pressing mechanism disposed between said cover (2) and said bottom plate (6), said pressing mechanism comprises an anti-collision cotton (15) covering said cover (2) and facing one side surface of said bottom plate (6) and an arc-shaped elastic sheet (16) connected to said bottom plate (6) and facing one side surface of said cover (2), said arc-shaped elastic sheets (16) are two sets of same structure and disposed in parallel, said arc-shaped elastic sheet (16) spans over said ventilation window (13).

6. The LCOS miniature projector with the convenient bracket as claimed in claim 4, wherein the supporting leg comprises a column (17), one end of the column (17) is axially provided with a second threaded groove (18), the other end of the column is axially provided with a stud (19) corresponding to the second threaded groove (18), an insertion groove (20) is radially provided on the side surface of the column (17), and an insertion column (21) corresponding to the insertion groove (20) is radially provided on the side surface of the column (17) opposite to the side where the insertion groove (20) is located.

7. The LCOS pico projector with convenient support according to claim 6, wherein said legs are connected end to end in said first splicing state, and are screwed by screwing said stud (19) on said pillar (17) into said second threaded groove (18) on the adjacent pillar (17);

among the multiple groups of supporting legs which are connected end to end, one end, facing the base plate (3), of the supporting leg at the bottommost end is connected with the base plate (3) through a first connecting structure, and one end, facing the bottom supporting plate (6), of the supporting leg at the topmost end is connected with the bottom supporting plate (6) through a second connecting structure.

8. The LCOS pico projector with convenient support of claim 6, wherein when said legs are in said second splicing state, the multiple groups of said legs are spliced from bottom to top in parallel state and connected by inserting said plugging post (21) on said pillar (17) into said plugging groove (20) on the adjacent pillar (17);

the upper surface of the base plate (3) is provided with a positioning groove (22) corresponding to the inserting column (21), the lower surface of the cover body (2) is provided with a limiting column (23) corresponding to the inserting groove (20), so that in a plurality of groups of supporting legs in a splicing state, the inserting column (21) on one side, facing the base plate (3), of the column body (17) of the supporting leg at the bottommost end is inserted into the positioning groove (22), the supporting leg is pressed by the cover body (2), and the limiting column (23) is inserted into the inserting groove (20) facing the cover body (2) of the supporting leg at the topmost end on the column body (17) of the supporting leg.

9. The LCOS pico projector with convenient bracket as claimed in claim 7, wherein said first connecting structure comprises four sets with same structure and arranged at four corners of the upper surface of said substrate (3) for connecting four sets of said legs respectively for completing the end-to-end connection, said first connecting structure comprises a pillar-shaped base (24) connected to the upper surface of said substrate (3), said pillar-shaped base (24) has a third thread groove (25) formed on the upper end surface thereof for engaging with said screw bolt (19) via a thread.

10. The LCOS pico projector with a convenient bracket according to claim 9, wherein the second connecting structure is connected to four sets of the same structure and disposed at four corners of the lower surface of the bottom support plate (6) and corresponding to the four sets of the first connecting structure, the second connecting structure includes a slot (26) opened on the lower surface of the bottom support plate (6) and allowing the post (17) to be inserted, a second threaded hole (27) is disposed on the upper surface of the bottom support plate (6), the second threaded hole (27) is communicated with the slot (26) and is located on the same axis, a second bolt (28) in threaded engagement with the second threaded hole (27) is disposed in the second threaded hole (27), and the second bolt (28) is in threaded engagement with the second threaded groove (18).