CN201021970Y - Portable mobile base lifting projection screen - Google Patents
Portable mobile base lifting projection screen Download PDFInfo
- Publication number
- CN201021970Y CN201021970Y CNU2007200488307U CN200720048830U CN201021970Y CN 201021970 Y CN201021970 Y CN 201021970Y CN U2007200488307 U CNU2007200488307 U CN U2007200488307U CN 200720048830 U CN200720048830 U CN 200720048830U CN 201021970 Y CN201021970 Y CN 201021970Y
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- Prior art keywords
- push rod
- pillar
- projection screen
- housing
- packaged type
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- Expired - Lifetime
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- 238000010586 diagram Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010044456 Transverse presentation Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
A movable floor type lifted translucent screen of the utility model belongs to the field of translucent screens, the translucent screen is made up of a shell, a rotating tube, a screen, a post rod and a strut, the shell is made integrally, the post rod covers the opening part of the shell. A bayonet is provided on the top of the strut, a position block is provided on the out side of the shell, a caging mechanism is provided on the post rod, a sliding caging mechanism for keeping the strut at the predetermined altitude is provided on the strut. The utility model is of simple structure, convenient use, small bulk, small weight, easy remotion, especially applicable to the use of each kind of floor type lifted translucent screen and portable type translucent screen.
Description
Technical field
The light packaged type seat of the utility model ground lifting projection screen belongs to the projection screen field, particularly relates to the projection screen of a kind of ground lifting.
Prior art
Existing seat ground lifting projection screen is by housing, tube, screen, push rod, pillar is formed, curtain one end is connected on the tube, the curtain other end is fixed on the push rod, and curtain is wound on the tube, is provided with spring in tube, tube is installed in the housing, collapsible prop is fixedly mounted on by axle on the centre position of housing base, and collapsible prop can sway, in the use, rotate collapsible prop to stand up position, open knob, push rod is mentioned in release, and curtain stretches from tube, push rod is hung over the top of pillar, collapsible prop is stretched over suitable position.Finish using, collapsible prop is reclaimed, take off curtain and be received on the projection screen tube, rotate collapsible prop and put to transverse presentation.This projection screen volume is big, moves also inconvenience, and push rod is threaded off, and causes and uses inconvenience.
In recent years, along with the meeting increase of company or agency etc., following requirement also constantly increases, and can carry easily with projector, can be arranged on floor, conference table or the worktable of meeting room, and can will carry out the movable screen apparatus of the simple structure of projection from the image of projector.On the other hand, even in the family, the projector that uses along with the television image projection popularizes, and the requirement of home-use movable lightweight screen apparatus is also increased.For movable screen apparatus, require more miniaturization and, easy to use, volume is little, moves easily.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part, and provides a kind of easy to use, and volume is little, and is in light weight, the supporting ﹠ stablizing of projection screen, and curtain is steady, moves to be easy to light packaged type seat ground lifting projection screen.
The purpose of this utility model realizes by following measure, projection screen is by housing, tube, screen, push rod, pillar is formed, and housing has the peristome that extends along its length, is provided with spring and being installed in the housing of can rotate around the axis in the tube, screen one end is connected on the spring tube, the screen other end is connected on the push rod, and the peristome from housing during use is emitted, and push rod is fixed on an end of screen, the lid of double as closure casing opening, collapsible prop one end is fixed on by axle on the centre position of base of this housing side, and shell is made of an integral body, and push rod covers in shell aperture portion.
Push rod is provided with locking mechanism, central portion at push rod is provided with handle, handle is buckled in below the push rod lid, the handle lid is fixed on the push rod, there is boss on one side at the handle lid, another side at the handle lid has draw-in groove, on housing, be fixed with base, base is fixed on the housing by self-plugging rivet, be provided with direction recess on one side in base openings portion, the direction recess of base cooperates with one side boss of shell, base is provided with sliding part on one side, retracing spring, on sliding part, be provided with the guiding draw-in groove, retracing spring withstands between base and the sliding part, sliding part is provided with a pushing handle, utilize locking mechanism that this lid is fixed on the housing, push rod covers Ejector pin lock on housing, push rod lid boss on one side is stuck in the base openings portion direction recess on one side, the sliding part on one side cooperates on the draw-in groove of push rod lid another side and base, guiding draw-in groove on the sliding part is stuck on the draw-in groove of push rod lid, retracing spring promotes sliding part, pushing handle moves sliding part, can compression retracteding position spring, and guiding draw-in groove on the sliding part is broken away from draw-in groove that push rod covers and cooperate, therefore when pillar is upright straight, just can make push rod and housing release, need not other manual unlocking. putting when horizontal, be issued to the locking push rod on housing in the effect of spring.Make more convenient operation.
Collapsible prop is that employing is telescopic, is made up of two joints or the above sleeve of two joints, is provided with in the bottom of pillar and regulates the length device.There is screw bottom at pillar, and screw thread is arranged on the adjuster bar, and the adjuster bar screw thread cooperates with screw, and when pillar erected, rotary regulating lever made the adjuster bar end contact with supporting surface, plays supporting.
Top at pillar is provided with bayonet part, form a draw-in groove, be provided with handle at the central portion of push rod, handle is installed in push rod and covers, the push rod lid cooperates with the bayonet part on top, the push rod lid is stuck in the bayonet part fixed mandril on top, and an inclined-plane is arranged on the handle, and an inclined-plane is arranged on the top of pillar, handle is stuck on the inclined-plane on pillar top after rotating, a screens is arranged on the top of pillar, a screens is arranged on the handle, reinforce push rod and be fixed on the pillar.When mobile just than before screen safer.
Arranged outside at housing has a fixed block, a draw-in groove is arranged between the outside of fixed block and housing, be provided with bayonet part, during the pillar lodging on the top of pillar, the bayonet part on pillar top is stuck in the draw-in groove and is adjacent to housing, and is convenient to move with integral body of housing formation.
Pillar is made of a plurality of cylindrical shells, and cylindrical shell constitutes sleeve-like and sliding extension mutually, is provided with the sliding locking mechanism that pillar is held in specified altitude on pillar, sliding locking mechanism has base portion, the relative fastener that slides, and spring is formed, fastener is installed on the base portion, spring is installed between base portion and the fastener, when pressing moved fastener, and the fastener compression spring, move relative to base portion, the pillar cylindrical shell is sliding extension mutually, promotes or the decline cylindrical shell, but the regulated at will height.On fastener, have jut and operating portion, on the pillar cylindrical shell, through hole is arranged, jut cooperates with through hole on the pillar cylindrical shell, only need press the operating portion of moved fastener, jut separates with through hole on the pillar cylindrical shell, and cylindrical shell can promote or descend, unclamp operation portion, under spring action, jut cooperates the stationary positioned cylindrical shell with through hole on the pillar cylindrical shell.
The utility model is simple in structure, and is easy to use, and volume is little, in light weight, moves easily, is particularly suitable for the projection screen of various seat ground liftings, the use of portable projection screen.
Description of drawings
Accompanying drawing 1 is an example structural representation of the present utility model.
Accompanying drawing 2 is amplification plan views of locking mechanism of the present utility model.
Accompanying drawing 3 is accompanying drawing 2V-V cut-open views.
Accompanying drawing 4 is locking mechanism structural representations of the present utility model.
Accompanying drawing 4A is a locking mechanism structural representation of the present utility model.
Accompanying drawing 5 is sliding locking mechanism structural representations of pillar of the present utility model.
Accompanying drawing 6 is sliding locking mechanism fastener structural representations of the present utility model.
Accompanying drawing 7 is sliding locking mechanism base structure synoptic diagram of the present utility model.
Accompanying drawing 8 is synoptic diagram of push rod of the present utility model state when hanging over pillar.
Accompanying drawing 8A is the structural representation of push rod of the present utility model state when hanging over pillar.
Accompanying drawing 9 is corbeling synoptic diagram of the present utility model.
Accompanying drawing 10 is shell structure synoptic diagram of the present utility model.
Accompanying drawing 11 is adjusting length apparatus structure synoptic diagram of the present utility model.
Accompanying drawing 12 is outside fixed-block-architecture (FBA) synoptic diagram of housing of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, projection screen is by housing 1, tube, screen 4, push rod 5, pillar 6 is formed, and housing has the peristome that extends along its length, and tube has spring and being installed in the housing of can rotate around the axis, screen one end is connected on the spring tube, the screen other end is connected on the push rod, and the peristome 1c from housing during use emits as shown in Figure 10, and push rod is fixed on an end of screen, the lid of double as closure casing opening, collapsible prop one end is fixed on by axle on the centre position of base 2 of this housing side, and shell is made of an integral body, and push rod covers in shell aperture portion.Collapsible prop is that employing is telescopic, is provided with in the bottom of pillar to regulate the length device.There is screw bottom at pillar, and screw thread is arranged on the adjuster bar, and the adjuster bar screw thread cooperates with screw, and when pillar erected, rotary regulating lever made the adjuster bar end contact with supporting surface, plays supporting.Pillar 6 is to be made of 2 sections cylindrical shell 6a, 6b that can sliding extension, and the top of pillar 6 is provided with bayonet part 7, and the handle 9 of carrying usefulness is arranged in push rod 5 central authorities.Arranged outside at housing has a fixed block 10, a draw-in groove is arranged between the outside of fixed block and housing, be provided with bayonet part, during the pillar lodging on the top of pillar, the bayonet part on pillar top is stuck in the draw-in groove and is adjacent to housing, and is convenient to move with integral body of housing formation.Push rod and sleeve is provided with locking mechanism 8 and 8a, and screen apparatus is provided with a pair of support foot 3 in housing 1 bottom.
As shown in Figure 2, pillar is that the center rotates its volt is fallen with the lower end that axle is bearing on the base, in the bottom of pillar adjuster bar is arranged, and the adjuster bar screw thread cooperates with screw.
As shown in Figure 3, be fixed on hull outside and extend to the bottom base 12, the spring cylinder 11 of accommodating the coiling screen is arranged in the housing, push rod lid 15 is fixed on the push rod, on one side of shell boss 13 is arranged, another side at shell has draw-in groove, cooperates with one side boss 13 of shell at the direction recess 14 of base, and collapsible prop one end is fixed on by axle on the centre position of base 2 of this housing side.
As accompanying drawing 4, shown in the accompanying drawing 4A, push rod is provided with locking mechanism, base is provided with sliding part 16 on one side, retracing spring 17, on sliding part, be provided with guiding draw-in groove 18, retracing spring 17 withstands between base and the sliding part 16, sliding part 16 is provided with a pushing handle, utilize locking mechanism that this lid is fixed on the housing, the sliding part 16 on one side cooperates on the draw-in groove of push rod lid another side and base, guiding draw-in groove 18 on the sliding part is stuck on the draw-in groove of push rod lid, retracing spring 17 promotes sliding parts 16, and pushing handle moves sliding part 16, can compression retracteding position spring 17, the draw-in groove that guiding draw-in groove 18 and push rod on the sliding part are covered breaks away from and cooperates, reaches to lock push rod on housing.
Shown in accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, pillar is made of 3 cylindrical shells, cylindrical shell constitutes sleeve-like and sliding extension mutually, is provided with the sliding locking mechanism that pillar is held in specified altitude on pillar, on the outer peripheral face of the oral area on every cylindrical shell sliding locking mechanism is set.Sliding locking mechanism has base portion 20, the relative fastener that slides, spring 23 is formed, fastener is installed on the base portion, spring is installed between base portion and the fastener, on fastener, have jut 21 and operating portion 22, on the pillar cylindrical shell through hole is arranged, jut 21 cooperates with through hole on the pillar cylindrical shell, only needs press the operating portion of moved fastener, jut 21 separates with through hole on the pillar cylindrical shell, the cylindrical shell that can promote or descend, unclamp operation portion is under spring action, jut 21 cooperates the stationary positioned cylindrical shell with through hole on the pillar cylindrical shell.
Shown in accompanying drawing 8, accompanying drawing 8A, be installed in the hook 24 of post top portion, push rod lid 15 is fixed on the push rod, handgrip 9 is installed on the push rod lid 15, the edge of push rod lid snaps in the opening of hook 24, and rotary handle 9 allows it be buckled in the side of hook member 24 simultaneously, and a screens is arranged on the top of pillar, a screens is arranged on the handle, thereby have insurance function.So can guarantee the snap action of Hook member more reliably.
As shown in Figure 9, hook is installed, on hook, individual bayonet part is arranged, can engage with the locking mechanism shell edge on the top of pillar.On the outer peripheral face of the oral area on cylindrical shell sliding locking mechanism is set.
As shown in Figure 10, housing has the peristome 1c that extends along its length, and shell is made of an integral body, and push rod covers in shell aperture portion.
As shown in Figure 11, be provided with adjusting length device in the bottom of pillar, in the bottom of pillar screw arranged, screw thread is arranged on the adjuster bar, the adjuster bar screw thread cooperates with screw, and the adjuster bar end is contacted with supporting surface, plays supporting.
As shown in Figure 12, a fixed block is arranged, a draw-in groove is arranged between the outside of fixed block and housing in the arranged outside of housing, top at pillar is provided with bayonet part, during the pillar lodging, the bayonet part on pillar top is stuck in the draw-in groove and is adjacent to housing, and is convenient to move with integral body of housing formation.
Claims (9)
1. light packaged type seat ground lifting projection screen, by housing, tube, screen, push rod, pillar is formed, housing has the peristome that extends along its length, tube has spring and being installed in the housing of can rotate around the axis, and screen one end is connected on the spring tube, and the screen other end is connected on the push rod, push rod is fixed on an end of screen, collapsible prop one end is fixed on by axle on the centre position of base of this housing side, and shell is made of an integral body, and push rod covers in shell aperture portion, it is characterized in that push rod is provided with locking mechanism, locking mechanism is located at push rod and covers, one side at the draw-in groove that has of push rod lid, on one side base is provided with sliding part, retracing spring, be provided with the guiding draw-in groove on sliding part, retracing spring withstands between base and the sliding part, and sliding part is provided with a pushing handle.
2. light packaged type seat ground lifting projection screen according to claim 1 is characterized in that being provided with in the bottom of pillar and regulates the length device.
3. light packaged type seat ground lifting projection screen according to claim 1 is characterized in that being provided with bayonet part on the top of pillar, forms a draw-in groove.
4. light packaged type seat ground lifting projection screen according to claim 1 is characterized in that in the arranged outside of housing a fixed block being arranged, and a draw-in groove is arranged between the outside of fixed block and housing.
5. light packaged type seat ground lifting projection screen according to claim 1, it is characterized in that on pillar, being provided with sliding locking mechanism, sliding locking mechanism has base portion, the relative fastener that slides, spring is formed, fastener is installed on the base portion, and spring is installed between base portion and the fastener, has jut on fastener.
6. light packaged type seat ground lifting projection screen according to claim 1 is characterized in that being provided with handle at the central portion of push rod, one side at the boss that has of push rod lid, at the another side of push rod lid draw-in groove is arranged, on one side be provided with direction recess in base openings portion.
7. light packaged type seat ground lifting projection screen according to claim 2 is characterized in that in the bottom of pillar screw being arranged, and screw thread is arranged on the adjuster bar, and the adjuster bar screw thread cooperates with screw.
8. light packaged type seat ground lifting projection screen according to claim 5 is characterized in that a screens is arranged on the top of pillar.
9. light packaged type seat ground lifting projection screen according to claim 6 is characterized in that having on the handle screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200488307U CN201021970Y (en) | 2007-02-13 | 2007-02-13 | Portable mobile base lifting projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200488307U CN201021970Y (en) | 2007-02-13 | 2007-02-13 | Portable mobile base lifting projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021970Y true CN201021970Y (en) | 2008-02-13 |
Family
ID=39089381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200488307U Expired - Lifetime CN201021970Y (en) | 2007-02-13 | 2007-02-13 | Portable mobile base lifting projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021970Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016715B (en) * | 2008-05-02 | 2012-10-10 | 泉株式会社 | Portable screen device, and extendible support and operating device used for the same |
| CN106122703A (en) * | 2016-08-23 | 2016-11-16 | 安徽平方文化发展有限公司 | A kind of audio-visual product is taken pictures auxiliary appliance |
-
2007
- 2007-02-13 CN CNU2007200488307U patent/CN201021970Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016715B (en) * | 2008-05-02 | 2012-10-10 | 泉株式会社 | Portable screen device, and extendible support and operating device used for the same |
| CN106122703A (en) * | 2016-08-23 | 2016-11-16 | 安徽平方文化发展有限公司 | A kind of audio-visual product is taken pictures auxiliary appliance |
| CN106122703B (en) * | 2016-08-23 | 2018-02-16 | 安徽平方文化发展有限公司 | A kind of audio-visual product is taken pictures auxiliary appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080213 |