CN105371074A - Folding bracket for projection equipment - Google Patents
Folding bracket for projection equipment Download PDFInfo
- Publication number
- CN105371074A CN105371074A CN201510935890.XA CN201510935890A CN105371074A CN 105371074 A CN105371074 A CN 105371074A CN 201510935890 A CN201510935890 A CN 201510935890A CN 105371074 A CN105371074 A CN 105371074A
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- inner sleeve
- projection equipment
- sleeve
- support platform
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
Abstract
The invention discloses a folding bracket for projection equipment. The folding bracket comprises a base, a first support frame, a second support frame, a first support table and a second support table, wherein the first support frame is mounted on the base, and comprises a communication pipe, and a first outer sleeve and a second outer sleeve arranged side by side; the second support frame comprises a connecting pipe, and a first inner sleeve and a second inner sleeve arranged side by side; one end of the first inner sleeve is inwards arranged in the first outer sleeve; one end of the second inner sleeve is inwards arranged in the second outer sleeve; pistons are respectively arranged at on ends, inserted in the first outer sleeve or the second outer sleeve, of the first inner sleeve and the second inner sleeve, and are tightly connected with the first outer sleeve or the second outer sleeve; the folding bracket is further provided with an airbag body, a hose and a one-way valve capable of introducing air in one direction; one end of the hose is communicated with the airbag, and the other end is communicated with the lower part of the first inner sleeve or the second inner sleeve; and the one-way valve is mounted on the airbag body. The bracket is convenient to adjust the height of the projection equipment, and can realize fine adjustment of the height.
Description
Technical field
The present invention relates to a kind of cabinet or the frame that are exclusively used in other specific uses, be specifically related to a kind of projection equipment Foldable support.
Background technique
Projection equipment be a kind of can by image or VIDEO PROJECTION to the equipment on curtain, same to computer, VCD, DVD, BD, gaming machine, DV etc. can be connected and play corresponding video signal by different interfaces.Projector is widely used in family, office, school and entertainment places.
In some large-scale meeting rooms or Conference Hall, projection equipment generally can be fixed on indoor top.The meeting room small-sized for some or interim public lecture place, generally all can not be provided with fixing projection equipment, and when needing to use projection equipment, be positioned over by projection equipment in fixing desktop or other planes, projection equipment is not easy to mobile.
Patent publication No. is disclose a kind of double layer support platform in the patent document of CN103783847A, comprise base, the supporting component be connected with base, the first bracket being connected to supporting component and the second bracket, first bracket is connected with the first working platform, and the second bracket is connected with the second working platform; Wherein, supporting component comprises interconnective first supporting frame and the second supporting frame, and the first supporting frame comprises the first strut and the second strut, and the second supporting frame comprises the 3rd strut and the 4th strut; First bracket is connected between the 3rd strut and the 4th strut; Second bracket is inverted triangle shelf structure, and top is a load plane, and bottom is a tubulose cross bar, and inverted triangle shelf structure is connected to the 3rd strut and the 4th strut; Second working platform is connected to load plane by the 4th threaded components.When using the support platform of above-mentioned patent, still there is following problem, in use, usually will regulate the height of projection equipment, support platform disclosed in above-mentioned patent is difficult to regulate height, is inconvenient to use.
Summary of the invention
The object of the present invention is to provide a kind of projection equipment Foldable support, the convenient height regulating projection equipment of this support, and can height fine adjusting function be realized.
For achieving the above object, base case of the present invention is as follows:
Projection equipment Foldable support, comprise base, the first supporting frame, the second supporting frame, the first support platform and the second support platform, described first supporting frame is arranged on base, the first outer sleeve, the second outer sleeve that described first supporting frame comprises connecting tube and is arranged side by side, at least connected by a described connecting tube between first outer sleeve, the second outer sleeve, be wherein positioned at the first outer sleeve, the second outer sleeve bottom a connecting tube; Described first support platform is arranged between the first outer sleeve, the second outer sleeve, and the second support platform is arranged between the first inner sleeve, the second inner sleeve top;
The first inner sleeve, the second inner sleeve that described second supporting frame comprises connecting tube and is arranged side by side, at least connected by a described connecting tube between the first inner sleeve, the second inner sleeve;
Be placed in the first outer sleeve in described first inner sleeve one end, be placed in second inner sleeve one end in the second outer sleeve, described first inner sleeve, the second inner sleeve insert the first outer sleeve or second outer sleeve one end is equipped with piston, and described piston and the first outer sleeve or the second outer sleeve are tightly connected;
Also be provided with air sac, flexible pipe, outlet valve and only can the one-way valve of one-way air inlet, described flexible pipe one end is communicated with air sac, and the other end is communicated with the first inner sleeve or the second inner sleeve bottom, and described one-way valve and outlet valve are arranged on air sac.
The principle of this programme: when not using, the first inner sleeve, the second inner sleeve respectively in be enclosed within the first outer sleeve, in the second outer sleeve, during use, notebook computer is placed on the second support platform, projection equipment is placed on the first support platform, start projection equipment, then repeatedly extrude and unclamp air sac, inflate in the first outer sleeve and the second outer sleeve, because air sac only can one-way air inlet, so when extruding gasbag body, gas in air sac enters in the first outer sleeve or the second outer sleeve by flexible pipe, first outer sleeve, between second outer sleeve bottom, a connecting tube is communicated with, so air bag physical efficiency is to the first outer sleeve, insufflation gas in second outer sleeve, now the first outer sleeve, gas pressure in second outer sleeve raises, the piston that so just can promote the first inner sleeve and the second inner sleeve lower end moves up, thus regulate the height of projection equipment.
The advantage of this programme is: in this programme, is pressurizeed in the first outer sleeve, the second outer sleeve by air sac, thus regulates the height of projection equipment, can adjust the height of the second supporting frame in this way reposefully; In addition, in the process regulated, easily can control the amount of air sac toward aerating in the first outer sleeve, the second outer sleeve, thus fine setting can be realized to the height of the second supporting frame.
Optimized project 1, to the further optimization of base case, described base is also provided with sliding seat and is arranged on the seat on sliding seat, described sliding seat is connected along horizontal slip with base.User can sit and carry out height adjustment to projection equipment on the seat, and sliding seat facilitates the position of adjusting seat, to adapt to no user; Meanwhile, user, when carrying out projection demonstration, also can be sitting on seat and carry out, easy to use.
Optimized project 2, to the further optimization of optimized project 1, described seat is connected on sliding seat by air spring.Seat is connected by air spring, then can the height of adjusting seat easily, thus the people adapting to different heights uses.
Optimized project 3, to the further optimization of base case, described second support platform is provided with the locating slot for projection equipment.During use, projection equipment is placed in locating slot, projection equipment so just can be avoided to slide on the second support platform, more stable in using process.
Optimized project 4, to the further optimization of optimized project 3, described locating slot sidewall is provided with multiple position structure, and this position structure comprises sliding eye, elastic component, push rod and chuck, described push rod one end is slidably connected in sliding eye by elastic component, and the other end connects described chuck.
When adopting this programme, first promote push rod, make push rod extrude elastic component, then projection equipment is put into locating slot, then decontrol push rod, elastic component resets, and projection equipment can be fixed by the chuck of push rod one end, can ensure the stability of projection equipment like this.
Optimized project 5, to the further optimization of base case, any one of optimized project 1-4, described first support platform is provided with radiation fan.A large amount of heats can be produced in projection equipment using process, if left, heat continues accumulation, then can have a strong impact on the working life of projection equipment, this programme is provided with radiation fan, after starting radiation fan, forced heat radiation can be carried out to projection equipment, reduce the temperature of heat dissipation equipment, thus extend the working life of heat dissipation equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of projection equipment Foldable support embodiment 1 of the present invention;
Fig. 2 is the schematic diagram of the first inner sleeve and the first outer sleeve attachment portion in projection equipment Foldable support embodiment 1 of the present invention;
Fig. 3 is the structural representation of position structure part in projection equipment Foldable support embodiment 1 of the present invention;
Fig. 4 is the structural representation of projection equipment Foldable support embodiment 2 of the present invention;
Fig. 5 is the structural representation of projection equipment Foldable support embodiment 3 of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference character in Figure of description comprises: base 10, first supporting frame 20, first outer sleeve 21, second outer sleeve 22, connecting tube 23, second supporting frame 30, first inner sleeve 31, second inner sleeve 32, connecting tube 33, piston 34, first support platform 40, second support platform 50, locating slot 51, sliding eye 52, elastic component 53, push rod 54, chuck 54, air sac 60, one-way valve 61, outlet valve 62, sliding seat 70, air spring 80, seat 90, radiation fan 11.
Embodiment 1
Embodiment 1 is substantially as illustrated in the accompanying drawings from 1 to 3: a kind of projection equipment Foldable support, comprise base 10, first supporting frame 20, second supporting frame 30, first support platform 40 and the second support platform 50, first supporting frame 20 is arranged on base 10, the first outer sleeve 21, second outer sleeve 22 that first supporting frame 20 comprises connecting tube 23 and is arranged side by side, at least connected by a connecting tube 23 between first outer sleeve 21, second outer sleeve 22, be wherein positioned at the first outer sleeve 21, second outer sleeve 22 bottom a connecting tube 23; First support platform 40 is arranged between the first outer sleeve 21, second outer sleeve 22, and the second support platform 50 is arranged between the first inner sleeve 31, second inner sleeve 32 top; Second supporting frame 30 is comprised between connecting tube 33 and the first inner sleeve 31, second inner sleeve 32, first inner sleeve 31, second inner sleeve 32 be arranged side by side and at least being connected by a connecting tube 33; Be placed in first inner sleeve 31 one end in the first outer sleeve 21, be placed in second inner sleeve 32 one end in the second outer sleeve 22, first inner sleeve 31, second inner sleeve 32 inserts the first outer sleeve 21 or second outer sleeve 22 one end is equipped with piston 34, and piston 34 and the first outer sleeve 21 or the second outer sleeve 22 are tightly connected;
In the present embodiment, also be provided with air sac 60, flexible pipe, outlet valve 62 and only can the one-way valve 61 of one-way air inlet, flexible pipe one end is communicated with air sac 60, and the other end is communicated with the first inner sleeve 31 or the second inner sleeve 32 bottom, and one-way valve 61 and outlet valve 62 are arranged on air sac 60.
In the present embodiment, the first support platform 40 is provided with radiation fan 11 by screw.A large amount of heats can be produced in projection equipment using process, if left, heat continues accumulation, then can have a strong impact on the working life of projection equipment, this programme is provided with radiation fan 11, after starting radiation fan 11, forced heat radiation can be carried out to projection equipment, reduce the temperature of heat dissipation equipment, thus extend the working life of heat dissipation equipment.
Embodiment 2
As shown in Figure 4, be with the difference part of embodiment 1: the seat 90 base 10 being also provided with sliding seat 70 and being arranged on sliding seat 70, base 10 is provided with chute, and sliding seat 70 is connected along horizontal slip with base 10, and seat 90 is connected on sliding seat 70 by air spring 80.User can be sitting on seat 90 and carry out height adjustment to projection equipment, and sliding seat 70 facilitates the position of adjusting seat 90, to adapt to no user; Meanwhile, user, when carrying out projection demonstration, also can be sitting on seat 90 and carry out, easy to use.Seat 90 is connected by air spring 80, then can the height of adjusting seat 90 easily, thus the people adapting to different heights uses.
Embodiment 3
As shown in Figure 5, be with the difference part of embodiment 2: the second support platform 50 is provided with the locating slot 51 for projection equipment.During use, projection equipment is placed in locating slot 51, projection equipment so just can be avoided to slide on the second support platform 50, more stable in using process.
Sidewall relative on locating slot 51 sidewall is equipped with position structure, this position structure comprises sliding eye 52, elastic component 53, push rod 54 and chuck 54, push rod 54 one end is slidably connected in sliding eye 52 by elastic component 53, the other end connecting clip 54, the present embodiment elastic component 53 used is air spring 80.
When adopting this programme, first promote push rod 54, make push rod 54 extrude elastic component 53, then projection equipment is put into locating slot 51, then decontrol push rod 54, elastic component 53 resets, projection equipment can be fixed by the chuck 54 of push rod 54 one end, can ensure the stability of projection equipment like this.
Specific works flow process:
Be specifically described for embodiment 1 below: as shown in Figure 1, when not using, the first inner sleeve 31, second inner sleeve 32 respectively in be enclosed within the first outer sleeve 21, in the second outer sleeve 22, during use, notebook computer is placed on the second support platform 50, projection equipment is placed on the first support platform 40, start projection equipment, then repeatedly extrude and unclamp air sac 60, inflate in the first outer sleeve 21 and the second outer sleeve 22, because air sac 60 only can one-way air inlet, so when extruding gasbag body 60, gas in air sac 60 enters in the first outer sleeve 21 or the second outer sleeve 22 by flexible pipe, first outer sleeve 21, be communicated with a connecting tube 23 between second outer sleeve 22 bottom, so air sac 60 can to the first outer sleeve 21, insufflation gas in second outer sleeve 22, now the first outer sleeve 21, gas pressure in second outer sleeve 22 raises, the piston 34 that so just can promote the first inner sleeve 31 and the second inner sleeve 32 lower end moves up, thus regulate the height of projection equipment.
In this programme, by air sac 60 to pressurization in the first outer sleeve 21, second outer sleeve 22, thus regulate the height of projection equipment, the height of the second supporting frame 30 can be adjusted in this way reposefully; In addition, in the process regulated, easily can control the amount of air sac 60 toward aerating in the first outer sleeve 21, second outer sleeve 22, thus fine setting can be realized to the height of the second supporting frame 30.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (6)
1. projection equipment Foldable support, comprise base, the first supporting frame, the second supporting frame, the first support platform and the second support platform, described first supporting frame is arranged on base, it is characterized in that, the first outer sleeve, the second outer sleeve that described first supporting frame comprises connecting tube and is arranged side by side, at least connected by a described connecting tube between first outer sleeve, the second outer sleeve, be wherein positioned at the first outer sleeve, the second outer sleeve bottom a connecting tube; Described first support platform is arranged between the first outer sleeve, the second outer sleeve, and the second support platform is arranged between the first inner sleeve, the second inner sleeve top;
The first inner sleeve, the second inner sleeve that described second supporting frame comprises connecting tube and is arranged side by side, at least connected by a described connecting tube between the first inner sleeve, the second inner sleeve;
Be placed in the first outer sleeve in described first inner sleeve one end, be placed in second inner sleeve one end in the second outer sleeve, described first inner sleeve, the second inner sleeve insert the first outer sleeve or second outer sleeve one end is equipped with piston, and described piston and the first outer sleeve or the second outer sleeve are tightly connected;
Also be provided with air sac, flexible pipe, outlet valve and only can the one-way valve of one-way air inlet, described flexible pipe one end is communicated with air sac, and the other end is communicated with the first inner sleeve or the second inner sleeve bottom, and described one-way valve and outlet valve are arranged on air sac.
2. projection equipment Foldable support according to claim 1, is characterized in that, described base is also provided with sliding seat and is arranged on the seat on sliding seat, described sliding seat is connected along horizontal slip with base.
3. projection equipment Foldable support according to claim 2, is characterized in that, described seat is connected on sliding seat by air spring.
4. projection equipment Foldable support according to claim 1, is characterized in that, described second support platform is provided with the locating slot for projection equipment.
5. projection equipment Foldable support according to claim 4, it is characterized in that, described locating slot sidewall is provided with multiple position structure, this position structure comprises sliding eye, elastic component, push rod and chuck, described push rod one end is slidably connected in sliding eye by elastic component, and the other end connects described chuck.
6. the projection equipment Foldable support according to any one of claim 1-5, is characterized in that, described first support platform is provided with radiation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510935890.XA CN105371074B (en) | 2015-12-15 | 2015-12-15 | Projector equipment Foldable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510935890.XA CN105371074B (en) | 2015-12-15 | 2015-12-15 | Projector equipment Foldable support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105371074A true CN105371074A (en) | 2016-03-02 |
| CN105371074B CN105371074B (en) | 2017-08-25 |
Family
ID=55373521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510935890.XA Expired - Fee Related CN105371074B (en) | 2015-12-15 | 2015-12-15 | Projector equipment Foldable support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105371074B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991014899A2 (en) * | 1990-03-22 | 1991-10-03 | Wilhelm Aberl | Wheeled tripod adapter |
| CN2281618Y (en) * | 1996-11-22 | 1998-05-13 | 李华局 | Folding TV projector for household |
| CN103783847A (en) * | 2014-02-13 | 2014-05-14 | 江苏红叶视听器材股份有限公司 | Double-layer supporting platform |
| CN204541224U (en) * | 2015-03-09 | 2015-08-12 | 河北双李家具股份有限公司 | The movable desk that a kind of working face can be elevated |
-
2015
- 2015-12-15 CN CN201510935890.XA patent/CN105371074B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991014899A2 (en) * | 1990-03-22 | 1991-10-03 | Wilhelm Aberl | Wheeled tripod adapter |
| CN2281618Y (en) * | 1996-11-22 | 1998-05-13 | 李华局 | Folding TV projector for household |
| CN103783847A (en) * | 2014-02-13 | 2014-05-14 | 江苏红叶视听器材股份有限公司 | Double-layer supporting platform |
| CN204541224U (en) * | 2015-03-09 | 2015-08-12 | 河北双李家具股份有限公司 | The movable desk that a kind of working face can be elevated |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105371074B (en) | 2017-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20171215 |