CN2886617Y - Manual projection screen localizer - Google Patents
Manual projection screen localizer Download PDFInfo
- Publication number
- CN2886617Y CN2886617Y CN 200620058168 CN200620058168U CN2886617Y CN 2886617 Y CN2886617 Y CN 2886617Y CN 200620058168 CN200620058168 CN 200620058168 CN 200620058168 U CN200620058168 U CN 200620058168U CN 2886617 Y CN2886617 Y CN 2886617Y
- Authority
- CN
- China
- Prior art keywords
- planet wheel
- stop
- stopping
- hoof
- core
- 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.)
- Expired - Lifetime
Links
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to a locator for a manual projection screen belonging to the field of projection screen, in particular to a locating mechanism for a projection screen, which is composed of a shaft core, a case cover, a case body, a locating core, an epicyclic gear, an epicyclic gear locating frame, a central gear, a stopping hoof rack and a stopping ratchet. The stopping hoof is provided on the stopping hoof rack, the stopping ratchet is provided on the case body, the shaft core reeves the center of the stopping ratchet on the case body, the stopping ratchet is installed on the case body, the stopping hoof engages the stopping ratchet to achieve the location purpose. The utility model has the advantages of simple structure, conveniently locating to any position, conveniently mounting and low cost.
Description
Technical field
The utility model manual projection curtain steady arm belongs to the projection screen field, particularly relates to a kind of detent mechanism of projection screen.
Background technology
The projection screen that uses is by trombone slide now, curtain, the torque spring assembly, tube and shell are formed, trombone slide is connected an end of curtain, the other end of curtain is connected on the tube, under the effect of torque spring assembly, the rotation by tube with the curtain backrush on tube, in projection screen backrush and drop-down use, need the positioning and fixing projection screen, in tube, be provided with the projection screen steady arm, the relative complex structure of steady arm, installation site inconvenience, cost also rises, and makes reel structure become complicated.
The content of utility model:
The purpose of this utility model is to avoid the deficiencies in the prior art part, provides a kind of control projection screen can be parked in the optional position when drop-down, and the location is reliable, locating device simple in structure.
The purpose of this utility model reaches by following measure, it is by trombone slide for a projection screen, curtain, the torque spring assembly, tube and shell are formed, trombone slide is connected an end of curtain, the other end of curtain is connected on the tube, under the effect of torque spring assembly, rotation by tube with the curtain backrush on tube, steady arm is by the axle core, case lid, casing, the location core, planet wheel, the planet wheel fixed mount, central gear and stop hoof frame, stop gear is formed, in tube, be provided with steady arm, on the axle core case lid is installed, case lid is fixed on the casing by screw, installing and locating core on the axle core, the planet wheel fixed mount is installed on the core of location, on the planet wheel fixed mount planet wheel is arranged, planet wheel cooperates with annular wheel on the casing, and planet wheel drives the planet wheel fixed mount and rotates, the planet wheel back-up ring is installed on the planet wheel, central gear and stop hoof frame are installed on the core, and stop hoof frame is provided with the stop hoof, cooperate through the planet wheel transmission, stop hoof on the planet wheel fixed mount is rotated, casing is provided with stop gear, and the axle core passes the stop gear center on the casing, and stop gear is installed on the casing, the stop hoof cooperates with stop gear, reaches the purpose of location.
The utility model is simple in structure, is positioned at easily on the optional position, and easy for installation, cost is low.
Description of drawings
Accompanying drawing 1 is an example structure synoptic diagram of the present utility model.
Accompanying drawing 2 is body structure synoptic diagram of the present utility model.
Accompanying drawing 3 is body structure synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, accompanying drawing 2, shown in the accompanying drawing 3, steady arm of the present utility model is by axle core 1, case lid 4, casing 12, location core 5, planet wheel 8, planet wheel fixed mount 6, central gear and stop hoof frame 10, stop gear 11 is formed, in tube, be provided with steady arm, on the axle core, case lid is installed, split washer 2 location, case lid is fixed on the casing by screw 3, installing and locating core on the axle core, planet wheel fixed mount are installed on the core of location, on the planet wheel fixed mount planet wheel are arranged, split washer 7 location, planet wheel cooperates with annular wheel on the casing, and planet wheel drives the planet wheel fixed mount and rotates, and planet wheel back-up ring 9 is installed on the planet wheel, the planet wheel fixed mount cooperates with planet wheel, planet wheel drives the planet wheel fixed mount and rotates, and central gear and stop hoof frame are installed on the core, and stop hoof frame is provided with the stop hoof, casing is provided with stop gear, the axle core passes the stop gear center on the casing, and stop gear cooperates with the stop hoof, reaches the purpose of location.
As shown in Figure 2, stop gear of the present utility model is installed on the casing, on the planet wheel fixed mount, be symmetrically arranged with stop hoof frame, the stop hoof is installed on the stop hoof frame, when locating in the curtain downdraw process, makes that curtain is static not to move, the planet wheel stop motion, the stop hoof rotates under the effect of self gravitation, is stuck in the tooth of stop gear, and curtain is realized the location.
Stop gear has 4 teeth, and the stop hoof has two, and is to be symmetrically distributed, and can realize approximate stepless location, and promptly curtain can be realized the location in any position.
Stop gear and casing are one, and the axle core passes the stop gear center on the casing.
Stop gear also can be mounted on the casing, and the axle core passes the stop gear center on the casing.
Claims (1)
1, a kind of manual projection curtain steady arm, steady arm is by the axle core, case lid, casing, the location core, planet wheel, planet wheel fixed mount, central gear and stop hoof frame, stop gear is formed, and on the axle core case lid is installed, and case lid is fixed on the casing by screw, installing and locating core on the axle core, the planet wheel fixed mount is installed on the core of location, on the planet wheel fixed mount planet wheel is arranged, and planet wheel cooperates with annular wheel on the casing, planet wheel drives the planet wheel fixed mount and rotates, the planet wheel back-up ring is installed on the planet wheel, and central gear and stop hoof frame are installed on the core, and stop hoof frame is provided with the stop hoof, it is characterized in that casing is provided with stop gear, the axle core passes the stop gear center on the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058168 CN2886617Y (en) | 2006-04-22 | 2006-04-22 | Manual projection screen localizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058168 CN2886617Y (en) | 2006-04-22 | 2006-04-22 | Manual projection screen localizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2886617Y true CN2886617Y (en) | 2007-04-04 |
Family
ID=37961706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620058168 Expired - Lifetime CN2886617Y (en) | 2006-04-22 | 2006-04-22 | Manual projection screen localizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2886617Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099300A (en) * | 2020-09-25 | 2020-12-18 | 广州互媒盈动文化传媒科技有限公司 | Multimedia equipment user interface |
-
2006
- 2006-04-22 CN CN 200620058168 patent/CN2886617Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099300A (en) * | 2020-09-25 | 2020-12-18 | 广州互媒盈动文化传媒科技有限公司 | Multimedia equipment user interface |
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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 |
Granted publication date: 20070404 |
|
| EXPY | Termination of patent right or utility model |