CN108020984A - The adjustable ultrashort burnt formula laser projection tv of suspension angles - Google Patents
The adjustable ultrashort burnt formula laser projection tv of suspension angles Download PDFInfo
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- CN108020984A CN108020984A CN201711455071.0A CN201711455071A CN108020984A CN 108020984 A CN108020984 A CN 108020984A CN 201711455071 A CN201711455071 A CN 201711455071A CN 108020984 A CN108020984 A CN 108020984A
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- Prior art keywords
- laser projection
- gear
- travelling gear
- fixed
- suspension
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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
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
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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
- G03B21/56—Projection screens
Abstract
The invention discloses a kind of adjustable ultrashort burnt formula laser projection tv of suspension angles, it includes ultrashort burnt formula laser projection tv matrix, it is provided with the adjustable laser projection tv screen suspension holdfast of suspension angles in the ultrashort burnt formula laser projection tv matrix outer and focusing structure is set on lens focus adjuster, the focusing structure, including：First travelling gear；First travelling gear stand base；Second travelling gear；First bracing strut；3rd travelling gear；Second bracing strut；Shaft and transmission shaft；First travelling gear is engaged with the gear of the second travelling gear, and the focusing regulator of the laser projection tv is engaged with the gear of the 3rd travelling gear；And on first travelling gear focus adjustment handle formed with fixed lens fixing groove.Present invention ensures that the image quality of ultrashort Jiao's laser projection tv institute projection image can be optimal degree and focus adjustment region is expanded.
Description
Technical field
The invention belongs to laser projection tv, particularly relates to a kind of adjustable ultrashort burnt formula laser of suspension angles and throws
Shadow TV.
Background technology
The advantages of laser projection tv is new laser image reproducing technology, it takes full advantage of laser itself.In light
In circulation way, laser light source has difference substantially with traditional incandescent lamp, halide lamp：Ordinary incandescent lamp, halide
The light of lamp is launched to all directions, and all light is all gathered in a parallel light beam by laser.In addition, laser
Projection TV can express the color gamut of bigger than conventional projection television, there is provided the image become apparent from.
Although laser projection tv technology obtains larger technology development innovation, current ultrashort burnt laser on the market
Projection TV, its focusing regulator adjust working face and position working face and position system by focus adjustment handle on camera lens
About, i.e., the adjusting working face of focusing regulator is all generally vertical with optical axis, its position is all generally the focus adjustment in camera lens
Near handle, then therefore the form-making design of complete machine also receives limitation to a certain extent；Secondly laser projection tv
Exterior suspension problem：The screen suspension holdfast of laser projection tv on the market simply can only be fixed screen at present, though
Right some of which stent can adjust the suspension height of screen, but generally all the suspension angles of screen can not be adjusted
Section, and since screen suspension holdfast size is larger, it is simple for assembly process, so also only being difficult to ensure screen suspension by machining accuracy
Angle afterwards --- levelness and verticality meet the requirements.But laser projection tv most on the market is ultrashort Jiao at present
Formula, its requirement to screen suspension angles is again very high, is produced very this is because screen suspension angles can project it image quality
Big influence, the angular deviation of very little will cause projection image to be changed into non-rectangle, but also can cause poor focusing.
The content of the invention
In view of defects in the prior art, the invention aims to provide a kind of suspension angles adjustable ultrashort burnt formula
Laser projection tv, it in machine exterior by setting the adjustable laser projection tv screen suspension holdfast of suspension angles, at the same time
Improvement is being synchronized in lens focus adjuster.
To achieve these goals, technical scheme：
A kind of adjustable ultrashort burnt formula laser projection tv of suspension angles, it includes ultrashort burnt formula laser projection tv base
Body, it is characterised in that the ultrashort burnt formula laser projection tv matrix outer is provided with the adjustable laser projection of suspension angles
Video screen suspension holdfast simultaneously sets focusing structure on lens focus adjuster, the focusing structure, including：First driving cog
Wheel, it is fixedly installed on the lens base of laser projection tv by the first travelling gear stent；Pedestal；Second driving cog
Wheel, it is fixedly installed on the pedestal by the first bracing strut；3rd travelling gear, it is fixedly mounted by the second bracing strut
Connected on the pedestal and by the shaft of the second bracing strut and the focusing regulator of laser projection tv；Transmission shaft, it two
End is connected with second travelling gear, the 3rd travelling gear respectively, first travelling gear and the second travelling gear
Gear engages, and the focusing regulator of the laser projection tv is engaged with the gear of the 3rd travelling gear；And first transmission
The fixing groove of focus adjustment handle formed with fixed lens on gear；The laser projection tv screen suspension holdfast tool at the same time
Have：Bracket base, it is configured to move freely in the plane touched with its bottom connection；Upright bar, it is fixed in described
To be used as installation supporting bar structure on bracket base；Support component, it is fixed in the upright bar lower end and has in the horizontal plane
There is certain area of plane to carry laser projection tv main equipment；First cross bar, its be fixed in the upright bar upper end with
Reinforced liner simultaneously installs supporting rod component；And two installation supporting rod components, it is individually fixed in first cross bar two
Hold and be configured to adjust the hanging position of laser projection tv screen, wherein the hanging position includes laser projection electricity
The height and position and height and position of screen curtain suspension levelness and/or verticality corresponding when determining.
Based on such scheme, further,
First travelling gear stent at least has：
Rest body, it has first contact surface consistent with camera lens outside diameter bending curvature；
And the fixed body stretched out respectively from the rest body both ends, thrown for the rest body to be fixed on laser
On the lens base of shadow TV
Multiple resigning breach, each resigning breach are laid along the sidewall symmetry of rest body respectively；
And the resilient fingers positioned at the rest body centre position.
Based on such scheme, further,
First travelling gear has a gear matrix, the gear matrix its there is second to be in contact with the second travelling gear
Contact surface；Fixing groove for the lens focus regulation handle of affixed laser projection tv；Multiple claws, it is used for the tooth
Wheel matrix is fixed on the rest body；The hook being connected with the resilient fingers.
Based on such scheme, further,
The rest body also has the first protrusion, and first protrusion connects positioned at rest body with the gear matrix
On tactile contact surface；The gear matrix has the second protrusion, and second protrusion is positioned at gear matrix and the rest body
On the contact surface being in contact；The claw has planar structure and bending structure, wherein, in the planar structure formed with
Third protrusion, it is raised formed with the 4th on bending structure.
Based on such scheme, further,
The supporting rod component at least has：
Supporting rod, it is fixed on first cross bar；
First extension rod, can be changed while it is configured to be placed in the tube chamber of post upper by flexible
Stretch out the distance of tube chamber and fixed by the first fixing piece；
Screen suspension member, it is fixed in the first extension rod upper end；
Second extension rod, can change while it is configured to be movably disposed on the surface of supporting rod lower end
Grow the length of supporting rod lower end surface and fixed by the second fixing piece；
And suspension verticality adjustment part, it is perpendicularly fixed at the second extension rod upper end with by varying flexible length
Degree adjusts the suspension verticality of screen.
Based on such scheme, further,
The suspension verticality adjustment part at least has：
Magnetite position adjusting bolt, it is inserted into the second extension rod lower end；
And magnetite, it is placed on the end face of magnetite position adjusting bolt.
Based on such scheme, further,
Formed with strip track through hole on second extension rod, supporting rod is grown so that second extension rod changes
The length of lower end surface.
Based on such scheme, further,
The bracket base at least has：
Two bottom montants being parallel to each other；
Bottom bar, its both ends are individually fixed on the bottom montant；
And four universal caster wheels, it is individually fixed in each bottom montant bottom.
Based on such scheme, further,
The support component at least has：
Supporting plate, it 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 periphery ancillary equipment；
And at least two supporting plate pillars, it stretches out from the bottom montant and is fixed on the supporting plate bottom to pacify respectively
Fill and support the supporting plate.
Based on such scheme, further,
The stent also has the second cross bar, it 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, which solves current the type stents most of on the market, cannot adjust or cannot accurately adjust screen
The problem of curtain suspension angles, it is ensured that the image quality of ultrashort Jiao's laser projection tv institute projection image can be optimal degree；Separately
On the one hand solve the problems, such as that current focus adjustment style is single, focus adjustment region is expanded, so that super
Short focus laser projection tv has the performance space of bigger in terms of form-making design and internal structure layout designs.
Brief description of the drawings
Corresponding structural representation illustration when Fig. 1 separates for focusing structure of the present invention；
Fig. 2 is structural representation illustration when first gear stent of the present invention is installed on lens base；
Fig. 3 is structural representation illustration when first gear stent of the present invention aligns installation with the focusing regulator；
Corresponding structural representation illustration when Fig. 4 connects for hook of the present invention with resilient fingers；
Fig. 5 is to use the corresponding state schematic illustration of poke-rod type focus adjustment mode in existing design；
Fig. 6 uses the corresponding state schematic illustration of rotary type focus adjustment mode for focusing regulator of the present invention；
Corresponding structural representation when Fig. 7 installs for this described second bevel spur gear, triconic spur gear with transmission shaft
Illustration；
Fig. 8 for the second bevel spur gear of the present invention, triconic spur gear, the first bracing strut, the second bracing strut with
The corresponding structural representation illustration of component that transmission shaft is formed；
Corresponding structural representation illustration when Fig. 9 assembles for focus adjustment structure of the present invention with shaft；
Figure 10 is installed on corresponding structural representation illustration during pedestal for structure shown in Fig. 8；
Corresponding structural representation when Figure 11 is installed in the housing of laser projection tv for focusing regulator of the present invention
Illustration；
Figure 12 is the corresponding structural representation illustration of the first bevel spur gear of the present invention；
Figure 13 is the corresponding structural representation illustration of first gear stent of the present invention；
Figure 14 is the corresponding structure diagram of screen suspension holdfast of the present invention；
Figure 15 is the corresponding structure diagram of supporting rod component；
Figure 16 is corresponding partial structural diagram after present invention installation screen；
Figure 17 is the corresponding partial structural diagram of height and position of adjustment screen after present invention installation screen；
Figure 18 is the corresponding partial structural diagram of suspension levelness of adjustment screen after present invention installation screen；
Figure 19 is the corresponding partial structural diagram of suspension verticality of adjustment screen after present invention installation screen.
In figure：101st, the first bevel spur gear, the 102, second bevel spur gear, 103, triconic spur gear, 104, swash
The focusing regulator of light projection TV, 105, first gear stent, 106, transmission shaft, the 107, first bracing strut, the 108, second axis
Stent, 109, pedestal, 110, the lens base of laser projection tv, 111, focus adjustment handle, 112, laser projection tv
Housing, the 113, claw, 114, resigning breach, 115, hook, 116, resilient fingers, 117, fixing groove, 118, shaft, the 119, the 3rd
Protrusion, the 120, the 4th is raised, and 121, second is raised, and 122, first is raised, and 123, the corresponding focus adjustment working face of the prior art
And position, 124, focus adjustment working face and position, 201, bottom montant, 202, bottom bar, 203, universal caster wheel, 204, vertical
Bar, the 205, second cross bar, 206, supporting plate, 207, supporting plate pillar, the 208, first cross bar, 209, supporting rod, the 210, first extension rod,
211st, the second extension rod, 212, screen suspension member, 213, plum blossom handle, the 214, second extension rod height adjustment bolt, 215, magnetite,
216th, magnetite position adjusting bolt, 217, supporting rod component, 218, first, second extension rod set height adjustment of left side, 219, right
First, second extension rod set height adjustment of side, 220, screen.
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 scheme, 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 work under the premise of all other embodiments obtained, belong to the scope of protection of the invention.
To solve the above problems, one aspect of the present invention is provided with focusing structure on lens focus adjuster, its feature exists
In, including：
First travelling gear, it is fixedly installed in the lens base of laser projection tv by the first travelling gear stent
On；Pedestal；Second travelling gear, it is fixedly installed on the pedestal by the first bracing strut；3rd travelling gear, it passes through
Second bracing strut is fixedly installed on the pedestal and by the shaft of the second bracing strut and the focus adjustment of laser projection tv
Device connects；Transmission shaft, its both ends are connected with second travelling gear, the 3rd travelling gear respectively；Wherein, described first pass
Moving gear is engaged with the gear of the second travelling gear, the tooth of the focusing regulator of the laser projection tv and the 3rd travelling gear
Wheel engagement；And on first travelling gear focus adjustment handle formed with fixed lens fixing groove.
Based on such scheme, further,
First travelling gear, the second travelling gear and the 3rd travelling gear use bevel spur gear.
Based on such scheme, further,
First travelling gear stent at least has：
Rest body, it has first contact surface consistent with camera lens outside diameter bending curvature；
The fixed body stretched out respectively from the rest body both ends, for the rest body to be fixed on laser projection electricity
Depending on lens base on；
Multiple resigning breach, each resigning breach are laid along the sidewall symmetry of rest body respectively；
And the resilient fingers positioned at the rest body centre position.
The quantity of wherein described resigning breach preferably uses even number, such as 4.
Based on such scheme, further,
First travelling gear has a gear matrix, the gear matrix its there is second to be in contact with the second travelling gear
Contact surface；Fixing groove for the lens focus regulation handle of affixed laser projection tv；Multiple claws, it is used for the tooth
Wheel matrix is fixed on the rest body；The quantity for the wherein described claw of hook being connected with the resilient fingers and resigning
Notch is consistent, such as preferably uses 4.
Based on such scheme, further,
The rest body also has the first protrusion, and first protrusion connects positioned at rest body with the gear matrix
On tactile contact surface.
Based on such scheme, further,
The gear matrix has the second protrusion, and second protrusion is in contact positioned at gear matrix with the rest body
Contact surface on.
Based on such scheme, further,
The claw has planar structure and bending structure, wherein, formed with third protrusion in the planar structure,
It is raised formed with the 4th on bending structure.
The focusing regulator for corresponding to ultrashort burnt TV of the present invention with instantiation below is further described：
As shown in Figure 1, it includes the first bevel spur gear 101, the second bevel spur gear 102, triconic spur gear
103rd, the focusing regulator 104 of laser projection tv, first gear stent 105, transmission shaft 106, the first bracing strut 107, second
Bracing strut 108, pedestal 109, the focusing regulator installation process are：(a), first gear stent 105 first, is installed into fixation
(see Fig. 2) on to the lens base 110 of laser projection tv, then by each claw of the first bevel spur gear 101, (this example is
4) 113 respectively corresponding with first gear stent 5 resigning breach 114 (this example is 4) align and be installed on first gear stent
(see Fig. 3) on 105, finally by the first bevel spur gear 101 of rotation so that hook 115 and first gear stent 105 thereon
On resilient fingers 116 interlock (see Fig. 3, Fig. 4), such design is in order to enable the first bevel spur gear 101 cannot be easily
Come off from first gear stent 510, then the focus adjustment handle 111 on camera lens is fixed on the first bevel spur gear 101
(see Fig. 5, Fig. 6) in upper corresponding fixing groove 117；
(b), the second bevel spur gear 102 and triconic spur gear 103 are mounted respectively to the both ends of transmission shaft 106
(see Fig. 7), then the component is installed between the first bracing strut 107 and the second bracing strut 108 (see Fig. 8), it will then focus on and adjust
Section device 104 is installed to the shaft 118 of the second bracing strut 108, and causes focusing regulator 104 and triconic spur gear
103 gear teeth meshing (see Fig. 9), finally mounts the assembly on pedestal 109 (see Figure 10).
(c), will by the second bevel spur gear 102, triconic spur gear 103, focusing regulator 104, transmission shaft 106,
The component that first bracing strut 107, the second bracing strut 108 and the assembling of pedestal 109 are formed is installed on the housing 112 of laser projection tv
On, and cause the gear teeth meshing of the second bevel spur gear 2 and the first bevel spur gear 1 (see Figure 11).
At this time while rotary-focusing adjuster 4, by taking turns the engagement of between cog, triconic spur gear 3 rotates therewith, the
3 rotational action of triconic spur gear is transferred on the second bevel spur gear 2 of opposite side further through transmission shaft 6, then passes through second
Gear teeth meshing between 102 and first bevel spur gear 101 of bevel spur gear and drive the first bevel spur gear 101, it is final real
The action for being installed on the focus adjustment handle 111 on the first bevel spur gear 101 in fixing groove 117 is now driven, that is, is realized
The action of focus adjustment can also be completed in the case of changing former focus adjustment working surface angle and position.In order to strengthen contrasting,
113 in Fig. 5 are seen in the focus adjustment working face of unused focusing regulator of the present invention and position, use focusing regulator of the present invention
Focus adjustment working face and position see in Fig. 1 124.
In addition, the claw 113 on the first bevel spur gear 101, the of third protrusion 119 and bending structure in its planar structure
It is in contact below four protrusions 120, and the arc surface of the first bevel spur gear 101 positioned at gear matrix with the rest body
Contact surface on second protrusion 121 and rest body on the first protrusion 122 (see Figure 12, Figure 13), during action
Play reduction contact area, that is, reduce the effect of resistance, feel during ensureing focus adjustment.
Another aspect of the present invention sets a kind of laser projection tv screen that can accurately adjust suspension angles in matrix outer
Suspension holdfast, such as Figure 14-Figure 19, it includes：
Bracket base, it is configured to move freely in the plane touched with its bottom connection；
Upright bar 204, it is fixed on the bracket base to be used as installation supporting bar structure；
Support component, its be fixed in the upright bar lower end and in the horizontal plane have certain area of plane it is sharp to carry
Light projection main body equipment, the main equipment include laser projection tv and/or laser projection tv periphery ancillary equipment；
First cross bar 208, it is fixed in the upright bar upper end with reinforced liner and installs supporting rod component；
And two installation supporting rod components 217, it is individually fixed in 208 both ends of the first cross bar 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 such scheme, further,
Such as Figure 10, the supporting rod component at least has：
Supporting rod 209, it is fixed on first cross bar；
First extension rod 210, can be by flexible while it is configured to be placed in the tube chamber of post upper
Change the distance for stretching out tube chamber and fixed by the first fixing piece；
Screen suspension member 212, it is fixed in the first extension rod upper end；
Second extension rod 211, it is configured to can while being movably disposed on the surface of supporting rod lower end
Change the length for growing supporting rod lower end surface and fixed by the second fixing piece；
And suspension verticality adjustment part, it is perpendicularly fixed at the second extension rod upper end with by varying 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 can realize the adjusting of 220 suspension height of screen and levelness, due to the first extension rod 210 and the second extension rod 211
Highly adjusting can freely be adjusted in adjustable range using stepless, it is possible to realize screen 220 suspension height and
The accurate adjusting of levelness, such as Figure 16, Figure 17, Figure 18, when first, second extension rod set height adjustment 218 of left side and right side the
First, when the second extension rod set height adjustment 219 is consistent, it is possible to achieve the accurate adjusting of 220 suspension height of screen；When left side
First, when first, second extension rod set height adjustment 219 of the second extension rod set height adjustment 18 and right side is inconsistent, it is possible to achieve
The accurate adjusting of 220 levelness of screen.
Based on such scheme, such as Figure 19, further,
The suspension verticality adjustment part at least has：
Magnetite position adjusting bolt 216, it is inserted into the second extension rod lower end with by varying collapsing length tune
Save the suspension verticality of screen；
And magnetite 215, it is placed on the end face of magnetite position adjusting bolt is risen with the fixation to screen 220
To the effect of auxiliary；
Wherein, the front and back position of magnetite 215 is adjusted by magnetite position adjusting bolt 216, to realize screen 220
The adjusting of verticality, and since the adjusting of magnetite front and back position is also stepless, so 220 verticality of screen can also be realized
It is accurate to adjust.
Based on such scheme, further,
Formed with strip track through hole on second extension rod, supporting rod is grown so that second extension rod changes
The length of lower end surface.
Based on such scheme, further,
The bracket base at least has：
Two bottom montants 201 being parallel to each other；
Bottom bar 202, its both ends are individually fixed on the bottom montant；
And four universal caster wheels 203, it is individually fixed in each bottom montant bottom；
Preferably, two bottom montants 201 and bottom bar 202 form I-shaped bracket base, and bottom by bolt
The both ends of montant 1 are equipped with lockable universal caster wheel 203.
Based on such scheme, further,
The support component at least has：
Supporting plate 206, its be fixed in the upright bar lower end and in the horizontal plane have certain area of plane it is sharp to carry
Light projection TV and/or laser projection tv periphery ancillary equipment；
And at least two supporting plate pillars 207, it stretches out from the bottom montant and is fixed on the supporting plate bottom respectively
To install and support the supporting plate.
Based on such scheme, further,
The stent also has the second cross bar 205, it is arranged in upright bar and affixed with the supporting plate.
Based on such scheme, further,
To be at least 2, each upright bar 204 is connected respectively to two bottoms by bolt and erects 204 quantity of upright bar
On bar 1, play the role of that supporting support top structure is installed.
Based on such scheme, further,
More between each component to be connected with each other using bolt, such as the second cross bar 205 is bolt-connected in upright bar 4, is played and is added
The effect of clamped frame and installation support supporting plate 206；Two supporting plate pillars 207 are connected respectively to two bottom montants by bolt
On 201, for installing support supporting plate 206；On anterior overlap joint to two supporting plate pillars 207 of corresponding supporting plate 206, rear portion overlap joint
To the second cross bar 205, and it is fastened by bolts on 207 and second cross bar 205 of supporting plate pillar, supporting plate 206 is used as putting
Put laser projection and other relevant devices, such as power supply；Two the first cross bars 208 are connected by bolt with two upright bars 204,
Play the role of reinforced liner and installation supporting rod component 217；Two screen suspension members 212 are bolted on two respectively
On one extension rod 210, for hanging screen 220.
In conclusion the present invention in the projection TV matrix outer by being provided with the adjustable laser projection of suspension angles
Video screen suspension holdfast is simultaneously provided with by focusing regulator stent and assisted focused adjuster on lens focus adjuster
The focusing structure of composition, realizes the adjustment to projector's complete machine, it had both solved current the type stents most of on the market
The problem of cannot adjusting or cannot accurately adjusting screen suspension angles, it is ensured that ultrashort Jiao's laser projection tv institute projection image
Image quality can be optimal degree；Solve the problems, such as that current focus adjustment style is single again, also obtain focus adjustment region
Expand, so that ultrashort Jiao's laser projection tv in terms of form-making design and internal structure layout designs has bigger
Performance space.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of adjustable ultrashort burnt formula laser projection tv of suspension angles, it includes ultrashort burnt formula laser projection tv matrix,
It is characterized in that, the ultrashort burnt formula laser projection tv matrix outer is provided with the adjustable laser projection tv of suspension angles
Screen suspension holdfast simultaneously sets focusing structure on lens focus adjuster, the focusing structure, including：First travelling gear,
It is fixedly installed on the lens base of laser projection tv by the first travelling gear stent；Pedestal；Second travelling gear, its
It is fixedly installed in by the first bracing strut on the pedestal；3rd travelling gear, it is fixedly installed in institute by the second bracing strut
State on pedestal and connected by the shaft of the second bracing strut and the focusing regulator of laser projection tv；Transmission shaft, its both ends point
It is not connected with second travelling gear, the 3rd travelling gear, the gear of first travelling gear and the second travelling gear
Engagement, the focusing regulator of the laser projection tv are engaged with the gear of the 3rd travelling gear；And first travelling gear
On the focus adjustment handle formed with fixed lens fixing groove；The laser projection tv screen suspension holdfast has at the same time：
Bracket base, it is configured to move freely in the plane touched with its bottom connection；Upright bar, it is fixed in the stent
To be used as installation supporting bar structure on base；Support component, it is fixed in the upright bar lower end and in the horizontal plane with one
The fixed area of plane is to carry laser projection tv main equipment；First cross bar, it is fixed in the upright bar upper end to reinforce
Stent simultaneously installs supporting rod component；And two installation supporting rod components, its be individually fixed in the first cross bar both ends and
It is configured to adjust the hanging position of laser projection tv screen, wherein the hanging position includes laser projection tv screen
The height and position and height and position of curtain suspension levelness and/or verticality corresponding when determining.
2. ultrashort burnt formula laser projection tv according to claim 1, it is characterised in that：
First travelling gear stent at least has：
Rest body, it has first contact surface consistent with camera lens outside diameter bending curvature；
And the fixed body stretched out respectively from the rest body both ends, for the rest body to be fixed on laser projection electricity
Depending on lens base on
Multiple resigning breach, each resigning breach are laid along the sidewall symmetry of rest body respectively；
And the resilient fingers positioned at the rest body centre position.
3. ultrashort burnt formula laser projection tv according to claim 2, it is characterised in that：
First travelling gear has a gear matrix, the gear matrix its have and the second travelling gear is in contact second contacts
Face；Fixing groove for the lens focus regulation handle of affixed laser projection tv；Multiple claws, it is used for the gear base
Body is fixed on the rest body；The hook being connected with the resilient fingers.
4. ultrashort burnt formula laser projection tv according to claim 3, it is characterised in that：
The rest body also has the first protrusion, what first protrusion was in contact positioned at rest body with the gear matrix
On contact surface；The gear matrix has the second protrusion, and second protrusion connects positioned at gear matrix with the rest body
On tactile contact surface；The claw has planar structure and bending structure, wherein, formed with the 3rd in the planar structure
Protrusion, it is raised formed with the 4th on bending structure.
5. ultrashort burnt formula laser projection tv according to claim 1, it is characterised in that：
The supporting rod component at least has：
Supporting rod, it is fixed on first cross bar；
First extension rod, can be stretched out while it is configured to be placed in the tube chamber of post upper by flexible change
The distance of tube chamber is simultaneously fixed by the first fixing piece；
Screen suspension member, it is fixed in the first extension rod upper end；
Second extension rod, can change while it is configured to be movably disposed on the surface of supporting rod lower end and grow
The length of supporting rod lower end surface is simultaneously fixed by the second fixing piece；
And suspension verticality adjustment part, it is perpendicularly fixed at the second extension rod upper end with by varying collapsing length tune
Save the suspension verticality of screen.
6. ultrashort burnt formula laser projection tv according to claim 5, it is characterised in that：
The suspension verticality adjustment part at least has：
Magnetite position adjusting bolt, it is inserted into the second extension rod lower end；
And magnetite, it is placed on the end face of magnetite position adjusting bolt.
7. ultrashort burnt formula laser projection tv according to claim 5, it is characterised in that：
Formed with strip track through hole on second extension rod, supporting rod lower end is grown so that second extension rod changes
The length of end face.
8. ultrashort burnt formula laser projection tv according to claim 1, it is characterised in that：
The bracket base at least has：
Two bottom montants being parallel to each other；
Bottom bar, its both ends are individually fixed on the bottom montant；
And four universal caster wheels, it is individually fixed in each bottom montant bottom.
9. ultrashort burnt formula laser projection tv according to claim 1, it is characterised in that：
The support component at least has：
Supporting plate, it is fixed in the upright bar lower end and has certain area of plane in the horizontal plane to carry laser projection electricity
Depending on main equipment；
And at least two supporting plate pillars, it stretches out from the bottom montant and is fixed on the supporting plate bottom to install simultaneously respectively
Support the supporting plate.
10. ultrashort burnt formula laser projection tv according to claim 1, it is characterised in that：
The stent also has the second cross bar, it is arranged in upright bar and affixed with the supporting plate.
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| CN201711455071.0A CN108020984B (en) | 2017-12-28 | 2017-12-28 | Ultra-short-focus laser projection television with adjustable suspension angle |
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| CN201711455071.0A CN108020984B (en) | 2017-12-28 | 2017-12-28 | Ultra-short-focus laser projection television with adjustable suspension angle |
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| CN107329258A (en) * | 2016-04-29 | 2017-11-07 | 深圳市掌网科技股份有限公司 | A kind of focus adjusting mechanism and the virtual implementing helmet comprising the focus adjusting mechanism |
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| US20070171383A1 (en) * | 2006-01-23 | 2007-07-26 | Brown International Corporation | Portable battlewall display stand |
| JP2009186527A (en) * | 2008-02-04 | 2009-08-20 | Seiko Epson Corp | Lens focus shifting device for projector and projector equipped therewith |
| CN101614858A (en) * | 2008-06-26 | 2009-12-30 | 深圳富泰宏精密工业有限公司 | Focusing system |
| CN203202536U (en) * | 2013-04-16 | 2013-09-18 | 北京魔力科技有限公司 | Short-focus projection bracket for electronic whiteboard |
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| CN108020984B (en) | 2020-07-14 |
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