CN1609697A - Lifting and lowering supporting device for projector - Google Patents
Lifting and lowering supporting device for projector Download PDFInfo
- Publication number
- CN1609697A CN1609697A CN 200310102776 CN200310102776A CN1609697A CN 1609697 A CN1609697 A CN 1609697A CN 200310102776 CN200310102776 CN 200310102776 CN 200310102776 A CN200310102776 A CN 200310102776A CN 1609697 A CN1609697 A CN 1609697A
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- Prior art keywords
- projector
- lifting foot
- slide
- lifting
- foot device
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Abstract
The elevating leg unit for projector includes one fixing seat fixed to the bottom of projector; one sliding seat set on the fixing seat with one opening, one limit block inside the opening and one pushing part on one side and possessing one bevel; one elevating leg through the opening with several slots on one side and one elastic element on the other side to force the limit block inside the slot; one control part connected to the pushing part and with one inclined part to match the bevel. The present invention makes it possible to regulate the height of projector easily without inclination.
Description
[technical field]
The invention relates to a kind of projector, particularly about a kind of lifting foot device of projector.
[background technology]
Projector puts on desktop usually, and is shown on the screen by the projection lens projects image of projector, yet, along with the difference of screen position and size, need see through adjusting mechanism adjustment projector height and can make image be projeced into appropriate location on the screen.
See also shown in Figure 1, known projector 1 adjusting mechanism, be in projector's 1 both sides spiral shell establish screw rod 11 with support projection machine 1 on desktop 2, and utilize rotary screw 11 to change the height of projector 1, projection lens 12 can be projeced into image on the screen (figure does not show), yet, rotary screw 11 1 circle projectors 1 are lifting one pitch (pitch) only, make the user must rotate behind many circles just the height of lifting projector 1 a little, it is quite slow to regulate the speed, and needs many times of cost can be adjusted to predetermined altitude; In addition the weight of screw rod 11 load projectors 1 makes 2 of screw rod 11 and desktops produce frictional resistance, so during user's application of force rotary screw 11, need first overcome friction rear rotatable, causes and adjusts suitable the effort.
See also shown in Fig. 2 A and Fig. 2 B, the stereographic map that is known another projector's adjusting mechanism 13 reaches upward cut-open view, it will adjust the side that button 131 is located at lifting foot 132, and link into an integrated entity with fastening part 133, fastening part 133 1 ends are provided with blocking flange 1331, can be meshed with the positioning tooth 1321 on the lifting foot 132,134 of fastening part 133 other ends and bodies are provided with a flexible member 135, therefore when pressing adjustment button 131, button 131 drives fastening part 133 and contracts in body 134, make flange 1331 break away from positioning tooth 1321 blockings, but and make lifting foot 132 vertical direction flexible, adjusting projector's height, after to be adjusted the finishing, be release-push 131, make fastening part 133 utilize flexible member 135 to reset and be engaged in positioning tooth 1321; Yet, because button 131 is located at fastening part 133 1 sides, therefore, when pressing button 131 force application locations are unequal, fastening part 133 will be fulcrum rotation with flexible member 135, and cause fastening part 133 to produce inclined to one side limit tilt phenomenon (as dotted portion), make that flange 1331 can't parallel disengaging positioning tooth 1321, must more exert oneself just can make flange 1331 to break away from positioning tooth 1321 smoothly, and reach projector's height control.In addition, on the other hand backward during pressing button 131, projector must be stablized and move to another hand, more increases the degree of difficulty of adjusting.
Therefore, the height control mode of known projector still exists the adjustment effort to regulate the speed and slowly reaches problems such as easily causing inclined to one side limit tilt phenomenon.
[summary of the invention]
A purpose of the present invention is the lifting foot device that is to provide a kind of projector, utilizes the configuration of slide and control piece, makes control piece can push slide and slides along single direction, causes block to keep parallel direction and breaks away from groove, produces to avoid inclined to one side limit tilt phenomenon.
Another object of the present invention is the lifting foot device that is to provide a kind of projector, cooperatively interacts between the rake by the press section and the inclined-plane of slide, makes projector's moving direction and to push direction identical, to reach operation simple and convenient and labour-saving effect.
Another purpose of the present invention is the lifting foot device that is to provide a kind of projector, utilizes the mode of pushing to control, and projector's relative lifting foot slip adjustment, improves the effect of regulating the speed to reach.
In order to achieve the above object, the invention provides a kind of lifting foot device of projector, it is characterized in that: comprising:
One holder is to be fixedly arranged on projector bottom;
One slide is to be located on this holder, and this slide has an opening, and the madial wall of this opening is provided with a block, and this slide one side is provided with a pushing part, and this bottom, pushing part is provided with an inclined-plane;
One lifting foot is to be arranged in this opening, and this lifting foot one side is provided with most grooves, and opposite side is provided with a flexible member, is equipped in this groove to force this block;
One control piece is to be linked to this pushing part, and this control piece top is provided with a rake that matches with this inclined-plane.
The lifting foot device of described projector is characterized in that: this majority groove is along this lifting foot moving direction setting, and this each groove is perpendicular to this lifting foot moving direction.
The lifting foot device of described projector is characterized in that: this holder also comprises a sleeve, and this lifting foot is to be arranged in this sleeve, and establishes a flexible member between this sleeve and this lifting foot.
The lifting foot device of described projector is characterized in that: the corresponding side of this sleeve and this lifting foot is respectively equipped with guide groove and guide element.
The lifting foot device of described projector is characterized in that: the moving direction of this control piece is to be parallel to this lifting foot.
The lifting foot device of described projector is characterized in that: this control piece also comprises a press section, and this press section is to be positioned at this projector bottom surface.
The lifting foot device of described projector is characterized in that: this slide moving direction is perpendicular to this lifting foot.
The lifting foot device of described projector is characterized in that: this holder is provided with guide element and baffle plate, moves along single direction to guide this slide.
In sum, the lifting foot device of projector of the present invention comprises: holder, slide, lifting foot and control piece, sliding pressure be located on this holder and have an opening, lifting foot is arranged in the slide opening, and lifting foot and slide opposite side are arranged with most grooves and block, the control piece top has a rake, and resists in the inclined-plane of slide one side; When the user pushes control piece, the rake at its top is pushed the slide inclined-plane, make slide slide and cause the parallel disengaging groove of block along single axial, move up and down projector by the press section to the precalculated position along lifting foot again, discharge the press section and reset by flexible member, reaching adjustment easy and simple to handle and laborsaving projector height, and the effect that can avoid producing inclined to one side limit tilt phenomenon.
[description of drawings]
Fig. 1 is the structural drawing of known projector adjusting mechanism.
Fig. 2 A, Fig. 2 B are the structural drawing of known another projector's adjusting mechanism.
Fig. 3 is a lifting foot device of the present invention and the synoptic diagram that combines of projector.
Fig. 4 is the lifting foot device stereographic map of projector of the present invention.
Fig. 5 is the lifting foot device explosion figure of projector of the present invention.
Fig. 6 is the lifting foot device stereographic map of projector of the present invention.
Fig. 7 A, Fig. 7 B, Fig. 7 C, Fig. 7 D are the lifting foot device illustrative view of projector of the present invention.
[embodiment]
Relevant the present invention is for achieving the above object, and technological means that is adopted and complementary work thereof are imitated, and lift a preferred embodiment now, and conjunction with figs. are illustrated as follows:
See also shown in Figure 3, the lifting foot device 20 of projector of the present invention is to convexedly stretch in projector's 1 bottom, one end with support projection machine 1, see also Fig. 4 and shown in Figure 5, wherein lifting foot device 20 comprises a holder 21, a lifting foot 22, a slide 23 and a control piece 24;
Lifting foot 22 is to be sheathed in the sleeve 212, its upper end, side with respect to first guide groove 2121 convexes with guide element 221, guide element 221 is to be subjected to X axis application of force elastically deformable, be provided with most lug bosses 222 (as shown in Figure 6) with respect to the axially suitable spacing of upper edge, the side Z of guide element 221, make 222 of lug bosses form parallel Y-axis to groove 223, the bottom of lifting foot 22 is installed with a foot 224 to be supported in a desktop (figure does not show), lifting foot 22 end face centers offer a tank 225 in addition, ccontaining for flexible member 2125, and flexible member 2125 other ends resist in tank 225 inner bottom surfaces.
Its number of assembling steps, be earlier holder 21 to be inserted in by slide 23 belows, push down opening 231 upper limbs of slide 23 and alar part 2353 and fix to guide element 2123 and baffle plate 21321, after flexible member 234 1 ends are fixed in first fixed leg 2122, the other end resists in opening 231 medial surfaces 233, after again another flexible member 2125 being inserted sleeve 212 and is fixed in second fixed leg 2124, lifting foot 22 is penetrated in the sleeve 212, guide element 221 is inserted in first guide groove 2121 and combination, after control piece 24 is pressed in the through hole 213 by holder 21 belows, make rake 242 be resisted against slide 23 inclined-planes 2352, to form lifting foot device 20 of the present invention, at last, the lifting foot device 20 that assembling is finished is packed into by the default opening in projector 1 bottom (figure does not show), see through fixed orifice 2111 again and be locked in projector 1 bottom surface, to finish assembling.Because the guide element 2123,221,244 that is arranged at sleeve 212, lifting foot 22 and control piece 24 is the structure of pressurized elastically deformable, therefore, by the application of force guide element is pressed into desire assembling thing (as guide groove etc.), treat that it is that resilience fixes that pressure is eliminated back (as: guide element enters in the chute), makes easy to assembly and quick.Lifting foot device 20 of the present invention make flowing mode, see also Fig. 7 A, an end of projector 1 is supported in desktop 2, the other end utilizes lifting foot 22 to be supported in desktop, and makes projector 1 angle that is inclined upwardly, at this moment, when lifting foot device 20 was positioned at original state, block 232 was equipped in the groove 223; When the user by projector 1 below upwards push press section 243 (as Fig. 7 B institute in) or when outwards moving press section 243 (shown in Fig. 7 C), make rake 242 upwards (being that Z is axial) move, rake 242 promotes inclined-planes 2352 at this moment, and force Z and Y-axis to move and push flexible member 234 with respect to holder 21 along X axis to moving the slide 23 that is restricted, make block 232 parallel mobile disengaging grooves 223 (as Fig. 7 B, shown in Fig. 7 C), cause lifting foot 22 moved freely by the spring force effect of flexible member 2125, support a end in desktop 2 as fulcrum A with projector 1 this moment, and the user promptly moves up and down projector 1 by press section 243 1 ends, can be projeced into upward appropriate location of screen (figure does not show) to adjust lifting foot 22 height to images, after to be adjusted the finishing, discharge press section 243, slide 23 is rebounded by the elastic force effect of flexible member 234, and block 232 is equipped in the different grooves 223 ' (shown in Fig. 7 D), utilize above-mentioned steps to adjust projector's height, projector's image can accurately be projeced on the screen.
So, owing to utilize control piece 24 to compress the slide 23 that slide 23 inclined-planes 2352 promote to be subjected to baffle plate 21321 and guide element 2123 restrictions, slide is only moved along single axial (X axis), and make block 232 parallel disengaging groove 223 blockings, so when the user presses on press section 243 diverse locations, make rake 242 resist 2352 diverse locations in the inclined-plane, but because slide 23Y axle and Z axle are restricted, so pushing inclined-plane 2352, rake 242 can only force slide 23 to move along X axis is parallel, make block 232 can keep parallel direction and break away from groove 223 smoothly, produce to avoid inclined to one side limit tilt phenomenon.
Moreover, projector 1 below is located in press section 243, make that to push control piece 24 directions identical with projector 1 moving direction, when a hand finger is pinned press section 243, other each fingers can be held the projector top, suitable anchorage force is provided, pushes control piece removable adjustment of 24 while projector 1, so can reach effect laborsaving and the operation simple and convenient so make.
In addition, as long as the user pushes control piece 24, can the mobile projector machine it be slided up or down with respect to lifting foot 22 and reach and adjust projector's height, therefore, very convenient in the operation, and with the sliding type adjustment, replace known screw rod rotation and adjust, can improve and regulate the speed.
Claims (8)
1, a kind of lifting foot device of projector is characterized in that: comprising:
One holder is to be fixedly arranged on projector bottom;
One slide is to be located on this holder, and this slide has an opening, and the madial wall of this opening is provided with a block, and this slide one side is provided with a pushing part, and this bottom, pushing part is provided with an inclined-plane;
One lifting foot is to be arranged in this opening, and this lifting foot one side is provided with most grooves, and opposite side is provided with a flexible member, is equipped in this groove to force this block;
One control piece is to be linked to this pushing part, and this control piece top is provided with a rake that matches with this inclined-plane.
2, the lifting foot device of projector according to claim 1, it is characterized in that: this majority groove is along this lifting foot moving direction setting, and this each groove is perpendicular to this lifting foot moving direction.
3, the lifting foot device of projector according to claim 1, it is characterized in that: this holder also comprises a sleeve, this lifting foot is to be arranged in this sleeve, and establishes a flexible member between this sleeve and this lifting foot.
4, as the lifting foot device of projector as described in the claim 3, it is characterized in that: the corresponding side of this sleeve and this lifting foot is respectively equipped with guide groove and guide element.
5, the lifting foot device of projector according to claim 1, it is characterized in that: the moving direction of this control piece is to be parallel to this lifting foot.
6, the lifting foot device of projector according to claim 1, it is characterized in that: this control piece also comprises a press section, and this press section is to be positioned at this projector bottom surface.
7, the lifting foot device of projector according to claim 1, it is characterized in that: this slide moving direction is perpendicular to this lifting foot.
8, the lifting foot device of projector according to claim 1, it is characterized in that: this holder is provided with guide element and baffle plate, moves along single direction to guide this slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101027766A CN100359404C (en) | 2003-10-21 | 2003-10-21 | Lifting and lowering supporting device for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101027766A CN100359404C (en) | 2003-10-21 | 2003-10-21 | Lifting and lowering supporting device for projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1609697A true CN1609697A (en) | 2005-04-27 |
| CN100359404C CN100359404C (en) | 2008-01-02 |
Family
ID=34756453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101027766A Expired - Fee Related CN100359404C (en) | 2003-10-21 | 2003-10-21 | Lifting and lowering supporting device for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100359404C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396989C (en) * | 2004-09-14 | 2008-06-25 | 明基电通股份有限公司 | Electronic device and its regulating mechanism |
| CN101364038B (en) * | 2007-08-06 | 2010-09-22 | 佳世达科技股份有限公司 | Spring out type lifting regulating mechanism and electronic device using the same |
| CN101504797B (en) * | 2009-03-06 | 2011-01-19 | 胡立业 | Converting apparatus for converting pick-up head between video displaying state and monitoring state |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673030B (en) * | 2008-09-12 | 2011-05-11 | 佛山普立华科技有限公司 | Projector-lifting mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0110758Y1 (en) * | 1994-10-31 | 1997-12-02 | Daewoo Electronics Co Ltd | Device for controlling an angle of electronic equipment |
| TW461946B (en) * | 2001-04-19 | 2001-11-01 | Primax Electronics Ltd | Adjustable stand |
| CN1215370C (en) * | 2001-12-28 | 2005-08-17 | 明基电通股份有限公司 | Adjustable foot device |
| TW501743U (en) * | 2002-02-06 | 2002-09-01 | Coretronic Corp | Elevation adjusting device of projector |
-
2003
- 2003-10-21 CN CNB2003101027766A patent/CN100359404C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396989C (en) * | 2004-09-14 | 2008-06-25 | 明基电通股份有限公司 | Electronic device and its regulating mechanism |
| CN101364038B (en) * | 2007-08-06 | 2010-09-22 | 佳世达科技股份有限公司 | Spring out type lifting regulating mechanism and electronic device using the same |
| CN101504797B (en) * | 2009-03-06 | 2011-01-19 | 胡立业 | Converting apparatus for converting pick-up head between video displaying state and monitoring state |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100359404C (en) | 2008-01-02 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20091123 |