CN108167603B

CN108167603B - Adjustable Ultra Short Throw Laser Projection TV

Info

Publication number: CN108167603B
Application number: CN201711455072.5A
Authority: CN
Inventors: 尹炜; 葛君廷; 王婷; 杜健; 廖明慧; 陈易; 马常伟
Original assignee: China Hualu Group Co Ltd
Current assignee: China Hualu Group Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2019-06-11
Anticipated expiration: 2037-12-28
Also published as: CN108167603A

Abstract

The invention discloses an adjustable ultrashort-focus laser projection television, which comprises a projection television base body and is characterized in that a laser projection television screen suspension bracket with an adjustable suspension angle is arranged outside the projection television base body, a focusing structure consisting of a focusing regulator bracket and an auxiliary focusing regulator is arranged on a lens focusing regulator, and the focusing regulator bracket is constructed to be capable of fixing the auxiliary focusing regulator on a lens base of the laser projection television; the auxiliary focusing regulator is constructed to be capable of driving a lens focusing regulating handle of the laser projection television fixedly connected on the focusing regulator to perform corresponding actions through rotation when being buckled with the focusing regulator bracket, so that the focusing regulation of the lens is realized. The invention ensures that the image quality of the picture projected by the ultra-short-focus laser projection television can reach the optimal degree and expands the focus adjusting area.

Description

Adjustable ultrashort burnt laser projection tv

Technical field

The invention belongs to laser projection tvs, particularly relate to a kind of adjustable ultrashort burnt laser projection tv.

Background technique

The advantages of laser projection tv is new laser image reproducing technology, takes full advantage of laser itself.In light In circulation way, laser light source and traditional incandescent lamp, halide lamp have difference substantially: ordinary incandescent lamp, halide The light of lamp emits to all directions, and all light is all gathered in a parallel light beam by laser.In addition, laser Projection TV can express bigger color gamut than conventional projection television, provide the image being more clear.

Although laser projection tv technology obtains biggish technology development innovation, laser projection at present on the market is electric Depending on especially ultrashort burnt laser projection tv, there are following problems: one laser projection tv internal problem: ultrashort coke laser Focus adjustment handle on the camera lens of projection TV is commonly poke-rod type, i.e. focus adjustment mode is poke-rod type, this makes Being mounted on the focusing regulator on handle is also poke-rod type mostly, and focus adjustment mode is relatively simple, and the appearance of complete machine is made Type design aspect receives limitation to a certain extent.In addition, the adjustment region of poke-rod type focusing regulator is also limited to camera lens The adjustable extent of upper focus adjustment handle, so also by its shadow in terms of the form-making design of complete machine and internal structure layout designs It rings；Secondly hanging problem outside laser projection tv: the screen hanging bracket of laser projection tv on the market can only letter at present Single pair screen is fixed, generally all can not be to screen although the suspension height of the adjustable screen of some of which bracket The suspension angles of curtain are adjusted, and since screen hanging bracket size is larger, simple for assembly process, so only leaning on machining accuracy Also it is difficult to ensure that screen suspension after angle --- levelness and verticality meet the requirements.However it is most of sharp on the market at present Light projection TV is ultrashort burnt formula, and the requirement to screen suspension angles is again very high, this is because screen suspension angles can be right It projects image quality and generates very big influence, and the angular deviation of very little will cause projection image to become non-rectangle, but also meeting Cause poor focusing.

Summary of the invention

In view of defects in the prior art, the invention aims to provide a kind of adjustable ultrashort burnt laser projection electricity Depending on by the way that the adjustable laser projection tv screen hanging bracket of suspension angles is arranged in machine exterior, while in lens focus Adjuster is synchronizing improvement.

To achieve the goals above, technical solution of the present invention:

A kind of adjustable ultrashort burnt laser projection tv comprising projection TV matrix, which is characterized in that in the projection TV matrix outer is provided with the adjustable laser projection tv screen hanging bracket of suspension angles and on lens focus adjuster It is provided with the focusing structure being made of focusing regulator bracket and assisted focused adjuster, the focusing regulator bracket, It is configured to for assisted focused adjuster being fixed on the lens base of laser projection tv；The assisted focused adjusting Device is configured to that assisted focused adjuster can be fixed in by rotating to drive when with the focusing regulator support fastening On the lens focus regulation handle of laser projection tv carry out the corresponding focus adjustment acted and then realize camera lens；Institute simultaneously It states laser projection tv screen hanging bracket and includes bracket base, be configured in the plane touched with its bottom connection It moves freely；Upright bar, be fixed on the bracket base using as installation supporting bar structure；Support component is fixed In the upright bar lower end and in the horizontal plane with certain area of plane to carry laser projection tv main equipment；First is horizontal Bar is fixed in the upright bar upper end with reinforced liner and installs support rod component；And two installation support rod components, It is individually fixed in the first crossbar both ends and is configured to adjust the hanging position of laser projection tv screen, wherein The height and position and height and position that the hanging position includes laser projection tv screen suspension corresponding when determining are horizontal Degree and/or verticality.

Based on above scheme, further,

The focusing regulator bracket at least includes rest body, has and camera lens outer diameter bending curvature is consistent connects Contacting surface；The fixed body stretched out respectively from the rest body both ends, for the rest body to be fixed on laser projection tv Lens base on；Multiple resigning breach, each resigning breach are laid and are located at along the sidewall symmetry of rest body respectively The resilient fingers in the rest body middle position.

Based on above scheme, further,

The assisted focused adjuster at least includes adjuster matrix；Multiple claws are used for the adjuster matrix It is fixed on the rest body；The hook being connected with the resilient fingers；And the mirror for affixed laser projection tv The fixing groove of head focus adjustment handle.

Based on above scheme, further,

The rest body also has the first protrusion, and first protrusion is located at rest body and the adjuster matrix phase On the contact surface of contact；The adjuster matrix has the second protrusion, and second protrusion is located at adjuster matrix and the branch On the contact surface that frame matrix is in contact；The claw has planar structure and bending structure, wherein in the planar structure It is formed with third protrusion, the 4th protrusion is formed on bending structure.

Based on above scheme, further,

The support rod component at least includes

Support rod is fixed in the first crossbar；

First extension rod can be changed while being configured to be placed in the lumen of post upper by flexible It stretches out the distance of lumen and is fixed by the first fixing piece；

Screen pendant is fixed in first extension rod upper end；

Second extension rod can change while being configured on the surface for being movably disposed support rod lower end It grows the length of support rod lower end surface and is fixed by the second fixing piece；

And suspension verticality adjustment part, second extension rod upper end is perpendicularly fixed at by changing flexible length Degree adjusts the suspension verticality of screen.

Based on above scheme, further,

The suspension verticality adjustment part at least includes

Magnetite position adjusts bolt, is inserted into second extension rod lower end；

And magnetite, it is placed on the magnetite position and adjusts on the end face of bolt.

Based on above scheme, further,

Strip track through-hole is formed on second extension rod, so that second extension rod change grows support rod The length of lower end surface.

Based on above scheme, further,

The bracket base at least includes

Two bottom vertical bars being parallel to each other；

Bottom bar, both ends are individually fixed on the bottom vertical bar；

And four universal caster wheels, it is individually fixed in each bottom vertical bar bottom.

Based on above scheme, further,

The support component at least includes

Supporting plate is fixed in the upright bar lower end and has certain area of plane in the horizontal plane to carry laser throwing Shadow TV and/or laser projection tv peripheral auxiliary equipment；

And at least two supporting plate pillars, it is stretched out respectively from the bottom vertical bar and is fixed on the supporting plate bottom to pacify It fills and supports the supporting plate.

Based on above scheme, further,

The bracket also has second crossbar, is arranged in upright bar and affixed with the supporting plate.

Compared with prior art, beneficial effects of the present invention:

One aspect of the present invention solves current the type brackets most of on the market and is not adjustable or cannot accurately adjust screen The problem of curtain suspension angles, it is ensured that the image quality of ultrashort coke laser projection tv institute projection image can achieve optimum degree；Separately On the one hand it solves the problems, such as that current focus adjustment style is single, focus adjustment region is also made to be expanded, so that super Short focus laser projection tv has bigger performance space in terms of form-making design and internal structure layout designs.

Detailed description of the invention

Fig. 1 is corresponding structural representation example diagram when focusing structure of the present invention separates；

Fig. 2 is structural representation example diagram when focusing regulator bracket of the present invention is installed on lens base；

Fig. 3 is focusing regulator bracket of the present invention and the assisted focused adjuster to structural representation when just installing Example diagram；

Fig. 4 is corresponding structural representation example diagram when hook of the present invention is connected with resilient fingers；

Fig. 5 is that the corresponding state schematic illustration of poke-rod type focus adjustment mode is used in existing design；

Fig. 6 is that focusing regulator of the present invention uses the corresponding state schematic illustration of rotary type focus adjustment mode；

Fig. 7 is the corresponding structural representation example diagram of assisted focused adjuster of the present invention；

Fig. 8 is the corresponding structural representation example diagram of focusing regulator bracket of the present invention；

Fig. 9 is the corresponding structural schematic diagram of screen hanging bracket of the present invention；

Figure 10 is the corresponding structural schematic diagram of support rod component；

Figure 11 is corresponding partial structural diagram after present invention installation screen；

Figure 12 is the corresponding partial structural diagram of height and position of adjustment screen after present invention installation screen；

Figure 13 is the corresponding partial structural diagram of suspension levelness of adjustment screen after present invention installation screen；

Figure 14 is the corresponding partial structural diagram of suspension verticality of adjustment screen after present invention installation screen.

In figure: 101, assisted focused adjuster, 102, focusing regulator bracket, 103, lens base, 104, on camera lens Focus adjustment handle, 105, resigning breach, 106, claw, 107, resilient fingers, 108, hook, 109, fixing groove, 110, first Protrusion, 111, third protrusion, the 112, the 4th protrusion, the 113, second protrusion, 114, the corresponding focus adjustment region of the prior art, 115, this example is to one focus adjustment region, 116, fixed body, 117, rest body, 118, adjuster matrix, 201, bottom Vertical bar, 202, bottom bar, 203, universal caster wheel, 204, upright bar, 205, second crossbar, 206, supporting plate, 207, supporting plate pillar, 208, first crossbar, 209, support rod, the 210, first extension rod, the 211, second extension rod, 212, screen pendant, 213, plum blossom hand Handle, the 214, second extension rod height adjustment bolt, 215, magnetite, 216, magnetite position adjusting bolt, 217, support rod component, 218, the first, second extension rod of left side set height adjustment, 219, right side the first, second extension rod set height adjustment, 220, screen.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention Figure, is clearly and completely described technical solution of the present invention, it is clear that described embodiment is that a part of the invention is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.

To solve the above problems, one aspect of the present invention be provided on lens focus adjuster by focusing regulator bracket with And the focusing structure that assisted focused adjuster is constituted characterized by comprising

Focusing regulator bracket 102 is configured to assisted focused adjuster 101 being fixed on laser projection tv Lens base 103 on；The focusing regulator bracket 102 at least includes rest body 117, has curved with camera lens outer diameter The consistent contact surface of curvature；The fixed body 116 stretched out respectively from 117 both ends of rest body is used for the bracket base Body 117 is fixed on the lens base 103 of laser projection tv；Multiple resigning breach 105, each resigning breach 105 are distinguished Sidewall symmetry along rest body is laid；And the resilient fingers 107 positioned at the rest body middle position；It is wherein described to allow The quantity of position notch preferably uses even number；

And assisted focused adjuster 101, it is configured to pass through when with the focusing regulator support fastening Rotation drives the lens focus regulation handle 104 for the laser projection tv being fixed on assisted focused adjuster 101 to carry out accordingly Movement so that realize camera lens focus adjustment；The assisted focused adjuster 101 at least includes adjuster matrix 118；It is multiple Claw 106 is used to the adjuster matrix being fixed on the rest body；The hook being connected with the resilient fingers 108；And the fixing groove 109 of the lens focus regulation handle for affixed laser projection tv, wherein the quantity of the claw Consistent with resigning breach, i.e., it preferably uses even number.

Based on above scheme, further,

The rest body also has the first protrusion 110, and first protrusion is located at rest body and the adjuster base On the contact surface that body is in contact.

Based on above scheme, further,

The adjuster matrix has the second protrusion 113, and second protrusion is located at adjuster matrix and the bracket base On the contact surface that body is in contact.

Based on above scheme, further,

The claw has planar structure and bending structure, wherein is formed with third protrusion in the planar structure 112, the 4th protrusion 113 is formed on bending structure.

It is carried out furtherly with the focus adjustment structure that specific example corresponds to ultrashort burnt TV of the present invention below It is bright:

As shown in Figure 1 comprising above-mentioned focusing regulator bracket 102 and assisted focused adjuster 101, wherein claw number Amount is 4, and two are respectively set on the inner sidewall of adjuster matrix；Corresponding resigning breach quantity is 4, in bracket Two are respectively set on the side wall of matrix；The assembling process of focusing regulator device are as follows: first pacify focusing regulator bracket 102 Dress be fixed on lens base 103 (see Fig. 2), then by 4 claws 106 of focusing regulator 1 respectively with focusing regulator branch 2 corresponding 4 resigning breach 105 of frame are to being just installed on focusing regulator bracket 102 (see Fig. 3), and then rotation auxiliary is poly- Burnt adjuster 101, so that hook 108 thereon is engaged with the resilient fingers 107 on focusing regulator bracket 102 (see Fig. 3, figure 4), so that assisted focused adjuster 101 is fixed on focusing regulator bracket 2, finally by the focus adjustment handle on camera lens 104 are fixed on assisted focused adjuster 101 in corresponding fixing groove 109 (see Fig. 5, Fig. 6), realize the focusing so that on camera lens Regulation handle 104 is acted with the rotation of assisted focused adjuster 101, that is, rotating assisted focused adjuster 101 can be complete At the movement of focus adjustment, focus adjustment mode is realized by the transformation of poke-rod type to knob.

In addition, focus adjustment region is become (see Fig. 5) using the present invention by being not used the 114 of focusing regulator of the present invention 115 (see Fig. 6) of focusing regulator；Claw 106 on focusing regulator 1 has planar structure and bending structure, sees Fig. 7- Fig. 8, while why being provided with third protrusion in the planar structure, be provided on bending structure the 4th protrusion, adjusting Second protrusion is set on the contact surface that section device matrix is in contact with the rest body and in rest body and the adjuster The first protrusion is arranged on the contact surface that matrix is in contact to be for so that focusing regulator plays reduction during movement With the contact area of regulator bracket, that is, reduce the effect of resistance, to guarantee feel when rotating assisted focused adjuster 101.

In addition, as shown in Figure 1, being uniformly arranged several be parallel to each other on the outer surface of the adjuster matrix of focusing regulator Vertical strain line.

A kind of laser projection tv screen that can accurately adjust suspension angles is arranged in matrix outer in another aspect of the present invention Hanging bracket, such as Fig. 9-Figure 14 comprising:

Bracket base is configured to move freely in the plane touched with its bottom connection；

Upright bar 204, be fixed on the bracket base using as installation supporting bar structure；

Support component is fixed in the upright bar lower end and has certain area of plane sharp to carry in the horizontal plane Light projection main body equipment, the main equipment include laser projection tv and/or laser projection tv peripheral auxiliary equipment；

First crossbar 208 is fixed in the upright bar upper end with reinforced liner and installs support rod component；

And two installation support rod components 217, it is individually fixed in 208 both ends of first crossbar and is configured to The hanging position of laser projection tv screen can be adjusted, wherein the hanging position includes the height of laser projection tv screen Position and height and position suspension levelness and/or verticality corresponding when determining.

Based on above scheme, further,

Such as Figure 10, the support rod component is at least included

Support rod 209 is fixed in the first crossbar；

First extension rod 210, can be by flexible while being configured to be placed in the lumen of post upper Change the distance for stretching out lumen and is fixed by the first fixing piece；

Screen pendant 212 is fixed in first extension rod upper end；

Second extension rod 211, can while being configured on the surface for being movably disposed support rod lower end Change the length for growing support rod lower end surface and is fixed by the second fixing piece；

And suspension verticality adjustment part, second extension rod upper end is perpendicularly fixed at by changing flexible length Degree adjusts the suspension verticality of screen；

Wherein, first fixing piece is adjusted the height and position of the first extension rod 210 using plum blossom handle 213, Second fixing piece is adjusted the height and position of the second extension rod 211 using the second extension rod height adjustment bolt 214, And then the adjusting of screen 220 suspension height and levelness may be implemented, due to the first extension rod 210 and the second extension rod 211 Height adjustment can be freely adjusted in adjustable range using stepless, it is possible to realize screen 220 suspension height and The accurate adjusting of levelness, such as Figure 11, Figure 12, Figure 13, when left side the first, second extension rod set height adjustment 218 and right side the One, when the second extension rod set height adjustment 219 is consistent, the accurate adjusting of 220 suspension height of screen may be implemented；When left side One, it when the second extension rod set height adjustment 18 is inconsistent with the first, second extension rod of right side set height adjustment 219, may be implemented The accurate adjusting of 220 levelness of screen.

Based on above scheme, such as Figure 14, further,

The suspension verticality adjustment part at least includes

Magnetite position adjusts bolt 216, is inserted into second extension rod lower end by changing collapsing length tune Save the suspension verticality of screen；

And magnetite 215, it is placed on the magnetite position and adjusts on the end face of bolt with the fixation to screen 220 To the effect of auxiliary；

Wherein, it adjusts bolt 216 by magnetite position the front-rear position of magnetite 215 is adjusted, to realize screen 220 The adjusting of verticality, and since the adjusting of magnetite front-rear position is also stepless, so 220 verticality of screen also may be implemented It is accurate to adjust.

Based on above scheme, further,

The bracket base at least includes

Two bottom vertical bars 201 being parallel to each other；

Bottom bar 202, both ends are individually fixed on the bottom vertical bar；

And four universal caster wheels 203, it is individually fixed in each bottom vertical bar bottom；

Preferably, two bottom vertical bars 201 and bottom bar 202 constitute I-shaped bracket pedestal, and bottom by bolt The both ends of vertical bar 1 are equipped with lockable universal caster wheel 203.

Based on above scheme, further,

The support component at least includes

Supporting plate 206 is fixed in the upright bar lower end and has certain area of plane sharp to carry in the horizontal plane Light projection TV and/or laser projection tv peripheral auxiliary equipment；

And at least two supporting plate pillars 207, it is stretched out respectively from the bottom vertical bar and is fixed on the supporting plate bottom To install and support the supporting plate.

Based on above scheme, further,

The bracket also has second crossbar 205, is arranged in upright bar and affixed with the supporting plate.

Based on above scheme, further,

204 quantity of upright bar is to be at least 2, and each upright bar 204 is connected respectively to two bottoms by bolt and erects On bar 1, play the role of that supporting support top structure is installed.

Based on above scheme, further,

It mostly uses bolt to be connected with each other between each component, if second crossbar 205 is bolt-connected in upright bar 4, plays and add The effect of clamped frame and installation support supporting plate 206；Two supporting plate pillars 207 are connected respectively to two bottom vertical bars by bolt On 201, for installing support supporting plate 206；The front of corresponding supporting plate 206 is overlapped to two supporting plate pillars 207, rear portion overlap joint It to second crossbar 205, and is fastened by bolts on supporting plate pillar 207 and second crossbar 205, supporting plate 206 is used as putting Set laser projection and other relevant devices, such as power supply；Two first crossbars 208 are connect by bolt with two upright bars 204, Play the role of reinforced liner and installation support rod component 217；Two screen pendants 212 are bolted on two respectively On one extension rod 210, for hanging screen 220.

In conclusion the present invention is by being provided with the adjustable laser projection of suspension angles in the projection TV matrix outer Video screen hanging bracket is simultaneously provided on lens focus adjuster by focusing regulator bracket and assisted focused adjuster The focusing structure of composition, realizes the adjustment to projector's complete machine, has both solved current the type brackets most of on the market The problem of not being adjustable or cannot accurately adjusting screen suspension angles, it is ensured that ultrashort coke laser projection tv institute projection image Image quality can achieve optimum degree；It solves the problems, such as that current focus adjustment style is single again, also obtains focus adjustment region Expand so that ultrashort coke laser projection tv have in terms of form-making design and internal structure layout designs it is bigger Performance space.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

1. An adjustable ultra-short-focus laser projection TV, comprising a projection TV base, characterized in that, outside the projection TV base, a laser projection TV screen suspension bracket with an adjustable suspension angle is provided and on the lens focus adjuster. A focus adjustment structure consisting of a focus adjuster bracket and an auxiliary focus adjuster is provided, the focus adjuster support is configured to be able to fix the auxiliary focus adjuster on the lens base of the laser projection TV; the auxiliary focus adjuster an adjuster, which is configured to be able to drive the lens focus adjustment handle of the laser projection TV fixed on the auxiliary focus adjuster to perform corresponding actions by rotating when it is buckled with the focus adjuster bracket, so as to realize the focus adjustment of the lens; At the same time, the laser projection TV screen suspension bracket has: a bracket base, which is configured to be able to move freely on a plane in contact with its bottom; a vertical pole, which is fixed on the bracket base to serve as an installation support rod structure; a support assembly , which is fixed on the lower end of the vertical rod and has a certain plane area on the horizontal plane to carry the main equipment of the laser projection TV; the first cross rod is fixed on the upper end of the vertical rod to reinforce the bracket and install the support rod assembly; and two support rod assemblies, which are respectively fixed on both ends of the first cross rod and are configured to be able to adjust the suspension position of the laser projection TV screen, wherein the suspension position includes the height position and the height position of the laser projection TV screen The corresponding suspension level and/or verticality when determined.

2. adjustable ultra-short-focus laser projection television according to claim 1, is characterized in that:

The focus adjuster bracket at least has: a bracket base, which has a contact surface consistent with the curvature of the outer diameter of the lens; fixing bodies respectively protruding from both ends of the bracket base, for fixing the bracket base to the laser projection On the lens base of the TV; a plurality of vacant gaps, each of which is symmetrically arranged along the side wall of the support base and an elastic hook located in the middle of the support base.

3. adjustable ultra-short-focus laser projection television according to claim 2, is characterized in that:

The auxiliary focus adjuster has at least: an adjuster base; a plurality of claws for fixing the adjuster base on the bracket base; a hook connected with the elastic hook; Fix the fixing groove of the lens focus adjustment handle of the laser projection TV.

4. adjustable ultra-short-focus laser projection television according to claim 3, is characterized in that:

The support base also has a first protrusion, and the first protrusion is located on the contact surface of the support base and the adjuster base; the adjuster base has a second protrusion, and the second protrusion is located on the contact surface of the regulator base and the bracket base; the clamping claw has a flat structure and a bending structure, wherein a third protrusion is formed on the flat structure, and a bending structure is formed on the bending structure. Fourth bump.

5. adjustable ultra-short-focus laser projection television according to claim 1, is characterized in that:

The support rod assembly has at least:

a support rod, which is fixed on the first cross rod;

a first extension rod, which is configured to be placed in the lumen of the upper end of the support rod while being able to change the distance extending out of the lumen by telescopic and fixed by the first fixing member;

a screen pendant, which is fixed on the upper end of the first extension rod;

a second extension rod, which is configured to be movably placed on the surface of the lower end of the support rod while being able to change the length of the end surface of the lower end of the support rod and fixed by the second fixing member;

and a suspension verticality adjustment member, which is vertically fixed on the upper end of the second extension rod to adjust the suspension verticality of the screen by changing the telescopic length.

6. The adjustable ultra-short-focus laser projection television according to claim 5, characterized in that:

The suspension verticality adjusting member has at least:

a magnet position adjustment bolt, which is inserted into the lower end of the second extension rod;

and a magnet, which is placed on the end face of the magnet position adjustment bolt.

7. The adjustable ultra-short-focus laser projection television according to claim 5, wherein:

An elongated track through hole is formed on the second extension rod, so that the second extension rod can change the length of the lower end face of the support rod.

8. The adjustable ultra-short-focus laser projection television according to claim 1, wherein:

The bracket base has at least:

Two bottom vertical bars parallel to each other;

a bottom cross bar, two ends of which are respectively fixed on the bottom vertical bar;

And four universal casters are respectively fixed on the bottom of each bottom vertical rod.

9. The adjustable ultra-short-focus laser projection television according to claim 8, wherein:

The support assembly has at least:

a support plate, which is fixed on the lower end of the vertical rod and has a certain plane area on the horizontal plane to carry the main equipment of the laser projection TV;

and at least two supporting plate pillars, which are respectively protruded from the bottom vertical rods and fixed to the bottom of the supporting plate to install and support the supporting plate.

10. The adjustable ultra-short-focus laser projection television according to claim 9, wherein:

The bracket also has a second transverse rod, which is arranged on the vertical rod and is fixedly connected with the supporting plate.