CN201097087Y - Height adjusting device and projection device including this device - Google Patents
Height adjusting device and projection device including this device Download PDFInfo
- Publication number
- CN201097087Y CN201097087Y CNU2007201566981U2007201566981U CN200720156698U CN201097087Y CN 201097087 Y CN201097087 Y CN 201097087Y CN U2007201566981U2007201566981 U CNU2007201566981U2007201566981 U CN U2007201566981U2007201566981U CN 200720156698 U CN200720156698 U CN 200720156698U CN 201097087 Y CN201097087 Y CN 201097087Y
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- CN
- China
- Prior art keywords
- screw rod
- rotating disk
- fitting piece
- projection arrangement
- height adjuster
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- G03B21/145—Housing details, e.g. position adjustments thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Legs For Furniture In General (AREA)
Abstract
The utility model proposes a height adjustment device used for a projecting apparatus, and a projecting apparatus which comprises the height adjustment device. The projecting apparatus is provided with a main body and a height adjustment device, wherein the height adjustment device comprises at least a combining piece, a rotating disc and a screw rod. At least the combining piece is connected with the main body; the rotating disc can be movably meshed with at least the combining piece in a relative rotating way, and a bolt hole is arranged at the center of the rotating disc; the screw rod is threaded in the bolt hole, therefore when the rotating disc rotates along the screw rod, and the rotating disc can make vertical linear motion along the axial direction of the screw rod properly, to achieve the purposes that the height adjustment is effortless and has no damage to the machine body.
Description
Technical field
The utility model is the height adjuster that is used for projection arrangement about a kind of, in more detail, is about a kind of side height by the change projection arrangement, and adjusts the height adjuster at the projection image angle of inclination of projection arrangement.
Background technology
In the epoch of this information explosion now, information is propagated science and technology and is maked rapid progress, and wherein projection arrangement is used for the information transmission in large quantities, is applied in family, audio-visual audiovisual entertainment purposes no matter be, or auxiliary as the meeting bulletin of company, projection arrangement has all been played the part of considerable role.And under the evolution of technology, the optical projection system volume is compact further, more makes projection arrangement little by little popular.
When using projection arrangement, the picture of projection arrangement is often along with the difference of user's environment of living in, and must carry out the adjustment of projection angle regularly.For example, in the time of in being used in less space, maybe need being installed in ad-hoc location, projection arrangement can't be put as much as possible backward to amplify picture or to promote height, in order to cooperate these situations, the user can take the projection end of projection arrangement is improved a fixed angle of altitude, to reach the purpose of amplifying picture image or promoting height.Similarly,, also must change the lateral tilt angle of projection arrangement fuselage, so that projected picture and unlikely torsional deformation, guarantee the quality of projected picture if the installing frame or the placement platform of projection arrangement is not level.
Fig. 1 is the stereographic map for a projection arrangement 1 of prior art, and projection arrangement 1 has a height adjuster 11, a body 13.Body 13 has a shell 10, and height adjuster 11 is arranged at the place ahead downside of body 13, and partly extends shell 10.In order to further specify, the stereographic map of height adjuster 11 is as shown in Figure 2.Height adjuster 11 has a jump ring body 110, a jump ring control piece 111 and a screw rod 112.Jump ring body 110 has a hole 110a and places for screw rod 112, and jump ring control piece 111 is connected with jump ring body 110, and engages mutually with the jump ring (scheming not shown) of jump ring body 110 inside, indirectly screw rod 112 is fixed among the hole 110a.Therefore, the height control mode of this height adjuster 11, be by withholding jump ring control piece 111, after treating that jump ring body 110 interior jump rings in order to strangulation screw rod 112 unclamp, the fuselage that lifts projection arrangement 1 just can make screw rod 112 loosening stretching out, change the extension elongation of screw rod 112 again with manual mode, fuselage is adjusted to suitable height.After treating Decision Height, decontrol jump ring control piece 111 and make jump ring clamp down on screw rod 112 once more and fixed.
Nonetheless, aforesaid way removes when fuselage is heavier, must expend more strength and lift outside the fuselage, when adjustment finishes to put down fuselage, yet do not live screw rod and cause vibrations or bump because of putting down the certain strangulation of fuselage or jump ring gently easily, and then projection arrangement is caused damage.
On the other hand, above-mentioned height adjuster 11 is applied to the adjustment at the elevation angle and the angle of depression of projection arrangement mostly, to change the height of projected picture; Yet setting up of projection arrangement is not only to relate to the image height, if projection arrangement is installed on the ground or carrier of non-side direction level, further influenced the levelness of projected picture, makes the phenomenon that picture tilts.Because it is low than the adjustment angle demand of image height that the angle tilt of picture is adjusted demand, so this phenomenon only need finely tune, and the change significantly of height adjuster 11 is just inapplicable.Therefore, projection arrangement now is not useful on the adjusting gear of the tilt phenomenon of adjusting picture yet.
In view of this, providing a kind of new height adjuster, be mainly used in the angle fine setting of tilting of projected picture, and more can reach the purpose that the leicht fallen D/A adjustment does not damage fuselage again, is an industry problem demanding prompt solution for this reason.
The utility model content
The purpose of this utility model is to provide a kind of height adjuster that is used for a projection arrangement, it can adjust the height of one of them side of the left and right sides of projection arrangement by easy height control mode, indirectly change the lateral tilt angle of projection arrangement, expend strength and easily fuselage is caused shortcoming such as shock impacts to avoid lifting in the prior art fuselage.
For reaching above-mentioned purpose, the utility model provides a kind of height adjuster that is used for projection arrangement, and projection arrangement has a body, and height adjuster comprises at least one fitting piece, a rotating disk, a screw rod and a stop part.At least one fitting piece is connected with body; Rotating disk and at least one fitting piece are and can counterrotating activity mesh, and the central authorities of rotating disk are provided with a screw; Screw rod is bolted in the screw, when rotating disk when screw rod rotates, rotating disk suitable can be along screw rod one axial, carry out linear movement about in the of.
The utility model also provides a kind of projection arrangement that adopts aforementioned height adjuster, and it comprises a body and reaches just like preceding described height adjuster.Body has a shell; Height adjuster comprises at least one fitting piece, a rotating disk, a screw rod and a stop part, at least one fitting piece is connected with shell outside the body, rotating disk and at least one fitting piece are and can counterrotating activity mesh, and the central authorities of rotating disk are provided with a screw, and screw rod is bolted in the screw.When rotating disk rotates along screw rod, when carrying out linear movement up and down, suitablely can drive body and carry out a synchronous linear movement with respect to screw rod.
Useful technique effect of the present utility model is: pass through height adjuster, adjust the height of screw rod with dial rotation, chimeric by rotating disk and fitting piece, and then the hoisting depth of adjustment projection arrangement one side, not only can avoid in prior art, lifting fuselage and expend strength, and easily fuselage is caused the shortcoming of shock impacts, and more applicable to the trickle adjustment of the horizontal tilt angle of projected picture.
Description of drawings
Below will consult accompanying drawing and specifically describe preferred embodiment of the present utility model, know the clearer understanding the purpose of this utility model of the knowledgeable, characteristics and advantage usually so that this technical field has; Wherein:
Fig. 1 is the stereographic map of a projection arrangement of prior art;
Fig. 2 is the stereographic map of the height adjuster of Fig. 1;
Fig. 3 A and Fig. 3 B are the stereographic map of two different visual angles of the present utility model;
Fig. 3 C is the enlarged drawing of Fig. 3 B centre circle choosing place;
Fig. 4 A is the stereographic map of the height adjuster among first embodiment of the present utility model;
Fig. 4 B is the sectional view of the height adjuster of Fig. 4 A along A-A ' profile line;
Fig. 5 A is the stereographic map of the height adjuster among second embodiment of the present utility model; And
Fig. 5 B is the sectional view of the height adjuster of Fig. 5 A along B-B ' profile line.
Embodiment
First embodiment of the present utility model is a kind of projection arrangement 3, and its stereographic map as shown in Figure 3A.Projection arrangement 3 has a body 34 and a height adjuster 31.Body 34 has a shell 30, and height adjuster 31 is arranged at the left back of the body 34 of projection arrangement 3 towards projected picture, and in other embodiment, height adjuster 31 also can be arranged at the left side of projection arrangement 3 and/or any position on right side.The stereographic map of height adjuster 31 is shown in Fig. 4 A, and it comprises a fitting piece 40, a rotating disk 41, a screw rod 43, a stop part 44 and a cushion pad 45.
Fitting piece 40 is to be connected with body 34 and integrally formed with body 34.Cooperate with reference to figure 4B, its be among Fig. 4 A height adjuster 31 along the sectional view of A-A ' profile line, rotating disk 41 has a projection partly 410, one a ring-like main body 411 and a ring neck 412, wherein jut 410 is formed at a below of ring-like main body 411, and jut 410 defines ring neck 412 jointly with ring-like main body 411.On the other hand, fitting piece 40 has a recessed portion 400 and a ring shoulder 401, and recessed portion 400 has and jut 410 corresponding shapes, and ring shoulder 401 has more defined recessed portion 400.When rotating disk 41 and fitting piece 40 were can counterrotating activity chimeric, the projection of rotating disk 41 410 was to embed in the recessed portion 400 of fitting piece 40 partly, and ring shoulder 401 is to embed in the ring neck 412, made that fitting piece 40 and rotating disk 41 are inseparable vertically.Whereby, rotating disk 41 just can mesh each other with fitting piece 40, and can carry out counterrotating activity.
The central authorities of rotating disk 41 are provided with a screw 42, make screw rod 43 suitable can being bolted in the screw 42.When rotating disk 41 during along screw rod 43 rotation, what rotating disk 41 just can be along screw rod 43 is one axial, carries out linear movement about in the of.Because rotating disk 41 is chimeric mutually with fitting piece 40, therefore during the linear movement about rotating disk 41 relative screw rods 43 carry out, just can drive together displacement of fitting piece 40, and for example preceding described, fitting piece 40 is to be connected with the body 34 of projection arrangement, therefore also lifting certain altitude of the body 34 of projection arrangement by rotating linear activity that rotating disk 41 produced, and then change the projected picture level angle of projection arrangement, the angle that tilts that just can regulate projected picture whereby.
In order to prevent rotating disk 41 when rotating, excessively move towards screw rod 43 tops and produce outside the screw rod 43, the upper area that present embodiment is convenient to screw rod 43 is provided with stop part 44, so as to block rotating disk 41.In this embodiment, stop part 44 is a C type jump ring, implements to be familiar with this operator and also can to spread to other block elements easily in the aspect in other.In addition, the lower end of screw rod 43 is provided with cushion pad 45, and it is to make with a resilient material; such as rubber; so as to the retroaction friction force of increase, and increase buffering and the support of single unit system when placing, to protect and to support whole projection arrangement to rotation rotating disk 41 moments.
Fig. 3 B is the stereographic map at another visual angle of projection arrangement 3, and the shell 30 of projection arrangement 3 has a hole 32 and an opening 33, and this enlarged drawing partly is shown in Fig. 3 C.Hole 32 is arranged at a bottom of shell 30, and aforementioned screw rod 43 is to be arranged in the hole 32, and the lower end of screw rod 43 is to be stretched on outside the shell 30, and joins with cushion pad 45 and ground or carrier.The lower end of screw rod 43 has a noncircular cross section 43a, and hole 32 has the shape of noncircular cross section 43a complementation therewith.Shown in Fig. 3 C, in this embodiment, just this noncircular cross section 43a is for to go circle to remaining part along the flat-sawn of a non-diameter.Be set in corresponding this non-circular hole 32 by the screw rod 43 that will have noncircular cross section 43a, fitting can be when rotating disk 41 rotates, strangulation screw rod 43, and can not rotate with rotating disk 41 by mistake.In addition, opening 33 is the sidewalls that are formed at shell 30, and the suitable some that can expose rotating disk 41 to the open air is outside shell 30, so that the user rotates adjustment.Cooperate with reference to figure 4B, just can further understand the relative position of hole 32, shell 30, opening 33 and rotating disk 41.
Second embodiment of the present utility model is also for having a projection arrangement of a height adjuster, different with last embodiment is, in the height adjuster of present embodiment, fitting piece and rotating disk are that to adopt different structures to carry out chimeric, so only describe the part of height adjuster especially in this.Fig. 5 A is the stereographic map of the height adjuster 31 ' of second embodiment of the present utility model, and Fig. 5 B then is the sectional view of the height adjuster 31 ' of Fig. 5 A along B-B ' profile line.With reference to Fig. 5 A, Fig. 5 B, height adjuster 31 ' comprises a pair of interconnected fitting piece, a rotating disk 52, a screw rod 54, a stop part 55 and a cushion pad 56 simultaneously.
This is first fitting piece 50 and second fitting piece 51 to interconnected fitting piece, be arranged at the top and the below of rotating disk 52 respectively, first fitting piece 50 and second fitting piece 51 all are connected with a body (scheming not shown) of projection arrangement (scheming not shown), and also integrally formed with body.By Fig. 5 B as can be known, rotating disk 52 is to be can counterrotating activity chimeric with first fitting piece 50 and second fitting piece 51, and the central authorities of rotating disk 52 are provided with a screw 53.Screw rod 54 is bolted in the screw 53, makes when rotating disk 52 during along screw rod 54 rotation, suitable can be along screw rod 54 one axial, carry out linear movement about in the of.Identical with last embodiment is, rotating disk 52 is also exposed to the open air a part of outside shell 30 ' by opening 33 ', and 54 of screw rods are set in the non-circular hole 32 '.
When preventing to rotate, rotating disk 52 is excessively mobile towards screw rod 54 tops, and produces outside the screw rod 54, so present embodiment also comprises the stop part 55 of a upper area of being located at screw rod 54, to reach the effect of block.In this embodiment, stop part 44 is a C type jump ring, implements to be familiar with this operator and also can to spread to other block elements easily in the aspect in other.In addition, cushion pad 56 is located at the lower end of screw rod 54, and it is to make with a resilient material; such as rubber; with the retroaction friction force of increase, and increase buffering and the support of single unit system when placing, protect and support whole projection arrangement whereby rotation rotating disk 41 moments.
In what this need emphasize be, it is described that the chimeric mode of rotating disk and fitting piece is not limited to the various embodiments described above, is familiar with this operator and also can spreads to other chimeric enforcement aspects easily.In addition, implement in the aspect in other, the quantity of height adjuster and position also are not limited to the above, and the application of this height adjuster also can further replace in the prior art in order to adjust the device of projection arrangement pitch angle.
The above embodiments only are used for exemplifying enforcement aspect of the present utility model, and explain technical characterictic of the present utility model, are not to be used for limiting category of the present utility model.Any be familiar with this operator can unlabored change or the arrangement of isotropism all belong to the scope that the utility model is advocated, rights protection scope of the present utility model should be as the criterion with the application's claim scope.
Claims (21)
1. height adjuster that is used for projection arrangement, this projection arrangement has a body, it is characterized in that this height adjuster comprises:
At least one fitting piece, it is connected with this body;
One rotating disk, it is can counterrotating activity chimeric with this at least one fitting piece, and the central authorities of this rotating disk are provided with a screw; And
One screw rod, it is bolted in this screw, makes when this rotating disk during along the rotation of this screw rod, and this screw rod is suitable can to carry out an axially-movable along this screw rod with respect to this rotating disk.
2. height adjuster according to claim 1, it is characterized in that comprising a fitting piece, one of them has a projection partly this fitting piece and this rotating disk, and another has and the corresponding recessed portion of the shape of this jut, this projection partly is to embed in this recessed portion, makes this fitting piece and this rotating disk axially inseparable along this.
3. height adjuster according to claim 2 is characterized in that this rotating disk has a ring-like main body, and this jut is formed at the below of this ring-like main body, and defines a ring neck with this ring-like main body; This fitting piece has a ring shoulder, defines this recessed portion, and when this rotating disk and this fitting piece were can counterrotating activity chimeric, this ring shoulder embedded in this ring neck.
4. height adjuster according to claim 1 is characterized in that this at least one fitting piece comprises the pair of engaging part, is divided into the top and the below of this rotating disk.
5. height adjuster according to claim 4 is characterized in that this is connected to each other fitting piece.
6. height adjuster according to claim 1 is characterized in that also comprising a stop part, and it is located at the upper area of this screw rod, fits and can prevent that this rotating disk from producing this screw rod.
7. height adjuster according to claim 1 is characterized in that the lower end of this screw rod has a cushion pad.
8. height adjuster according to claim 7 is characterized in that this cushion pad is to make with a resilient material.
9. height adjuster according to claim 1 is characterized in that this at least one fitting piece and this body are integrally formed.
10. projection arrangement comprises:
One body has a shell; And
One height adjuster is characterized in that this height adjuster comprises:
At least one fitting piece, it is connected with this shell;
One rotating disk, it is can counterrotating activity chimeric with this at least one fitting piece, and the central authorities of this rotating disk are provided with a screw; And
One screw rod, it is bolted in this screw, makes when this rotating disk during along the rotation of this screw rod, and this screw rod is suitable can to carry out an axially-movable along this screw rod with respect to this rotating disk;
When this rotating disk when linear movement is up and down carried out in the rotation of this screw rod, suitablely can drive this body and carry out a synchronous linear movement with respect to this screw rod.
11. projection arrangement according to claim 10, it is characterized in that this height adjuster comprises a fitting piece, one of them has a projection partly this fitting piece and this rotating disk, and another has and the corresponding recessed portion of the shape of this jut, this jut embeds in this recessed portion, so that this fitting piece and this rotating disk are axially inseparable along this.
12. projection arrangement according to claim 11 is characterized in that this rotating disk has a ring-like main body, this jut is formed at the below of this ring-like main body, and defines a ring neck with this ring-like main body; This fitting piece has a ring shoulder, defines this recessed portion, and when this rotating disk and this fitting piece were can counterrotating activity chimeric, this ring shoulder was in this ring neck of embedding.
13. projection arrangement according to claim 10 is characterized in that this at least one fitting piece comprises the pair of engaging part, is divided into the top and the below of this rotating disk.
14. projection arrangement according to claim 13 is characterized in that this is connected to each other fitting piece.
15. projection arrangement according to claim 10 is characterized in that this height adjuster also comprises a stop part, is located at the upper area of this screw rod, fits and can prevent that this rotating disk from producing this screw rod.
16. projection arrangement according to claim 10 is characterized in that the lower end of this screw rod is provided with a cushion pad.
17. projection arrangement according to claim 16 is characterized in that this cushion pad is to make with a resilient material.
18. projection arrangement according to claim 10 is characterized in that this shell also has:
One hole, it is arranged at the bottom of this shell, and this screw rod is arranged in this hole, and the lower end of this screw rod is stretched on outside this shell.
19. projection arrangement according to claim 10 is characterized in that this shell also has:
One opening, it is formed at a sidewall of this shell, fits and can expose the some of this rotating disk to the open air outside this shell.
20. projection arrangement according to claim 10, the lower end that it is characterized in that this screw rod have a card locking mechanism, with this screw rod of strangulation when this dial rotation with this dial rotation.
21. projection arrangement according to claim 20 is characterized in that this card locking mechanism comprises a non-circular cross section, this hole has the shape with this noncircular cross section complementation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201566981U2007201566981U CN201097087Y (en) | 2007-08-08 | 2007-08-08 | Height adjusting device and projection device including this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201566981U2007201566981U CN201097087Y (en) | 2007-08-08 | 2007-08-08 | Height adjusting device and projection device including this device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097087Y true CN201097087Y (en) | 2008-08-06 |
Family
ID=39924139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201566981U2007201566981U Expired - Fee Related CN201097087Y (en) | 2007-08-08 | 2007-08-08 | Height adjusting device and projection device including this device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097087Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053470A (en) * | 2009-10-23 | 2011-05-11 | 精工爱普生株式会社 | Projector |
| CN106125470A (en) * | 2016-08-19 | 2016-11-16 | 明基电通有限公司 | Scialyscope |
-
2007
- 2007-08-08 CN CNU2007201566981U2007201566981U patent/CN201097087Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053470A (en) * | 2009-10-23 | 2011-05-11 | 精工爱普生株式会社 | Projector |
| US8550637B2 (en) | 2009-10-23 | 2013-10-08 | Seiko Epson Corporation | Projector with adjusting feet for facilitating operation |
| CN106125470A (en) * | 2016-08-19 | 2016-11-16 | 明基电通有限公司 | Scialyscope |
| CN106125470B (en) * | 2016-08-19 | 2018-05-15 | 明基智能科技（上海）有限公司 | Projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Delta Electronics Agent Ltd Assignor: Delta Optoelectronics Inc. Contract fulfillment period: 2008.1.1 to 2013.12.31 Contract record no.: 2009990000376 Denomination of utility model: Height adjusting device and projection device including this device Granted publication date: 20080806 License type: Exclusive license Record date: 20090428 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.1.1 TO 2013.12.31; CHANGE OF CONTRACT Name of requester: ZHONGDA VIDEO SIGNAL (WUJIANG) CO., LTD. Effective date: 20090428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20160808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |