CN214306032U

CN214306032U - Electric projection device

Info

Publication number: CN214306032U
Application number: CN202022968851.9U
Authority: CN
Inventors: 文鹏
Original assignee: Guangzhou Sanjin Electronic Technology Co ltd
Current assignee: Guangzhou Sanjin Electronic Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-28
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses an electronic projection arrangement, including the connection shell, the lower extreme fixed mounting of connection shell has the protecting crust, the inboard sliding connection of protecting crust has the projection heat dissipation shell, the equal fixed mounting in both sides of projection heat dissipation shell upper end has the rack board, one side meshing of rack board upper end is connected with the gear post, the surface swing joint of gear post one side has the belt pulley, the inboard lower extreme swing joint of belt pulley has the threaded rod, two the threaded rod passes through spacing slide bar connection. The utility model discloses a rack plate drives the gear post and rotates, and the gear post drives the belt pulley and rotates, drives the transmission post through one of them belt pulley and rotates, and the transmission post drives the cleaning roller and rotates, utilizes the cleaning roller to clear up the one end of projection heat dissipation shell, guarantees that the camera lens of projection heat dissipation shell one end is clean, through the sealed lower extreme of rolling up sealed protecting crust of spacing slide bar pulling, makes it sealed for the device is sealed effectual, and convenient the accomodating.

Description

Electric projection device

Technical Field

The utility model relates to an electronic projection arrangement technical field specifically is an electronic projection arrangement.

Background

Along with the increasingly rapid development of life needs and technological progress of people, a projector, also called a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, and has different types such as a CRT, an LCD, a DLP and the like according to different working modes.

However, the existing electric projection device is inconvenient to store and maintain; therefore, the existing requirements are not met, and an electric projection device is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric projection device to solve the inconvenient accomodating of the electric projection device that proposes in the above-mentioned background art, inconvenient maintenance scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric projection device, includes the connection shell, the lower extreme fixed mounting of connection shell has the protecting crust, the inboard sliding connection of protecting crust has the projection heat dissipation shell, the equal fixed mounting in both sides of projection heat dissipation shell upper end has the rack board, one side meshing of rack board upper end is connected with the gear post, the surface swing joint of gear post one side has the belt pulley, the inboard lower extreme swing joint of belt pulley has the threaded rod, two the threaded rod passes through spacing slide bar connection, one side fixed mounting of spacing slide bar has sealed the book.

Preferably, the sealed book is rolled up for steel seal, the equal fixed mounting in surface of sealed book has sealed the pad, one of them the inboard intermediate position swing joint of belt pulley has the transmission post, the fixed surface of transmission post one side installs the cleaning roller, the transmission post passes through the bearing with the protecting crust and is connected.

Preferably, the projection heat dissipation shell is connected with the connection shell through a folding leg, and the folding leg is connected with the connection shell through telecommunications.

Preferably, the lower extreme of protecting the shell is provided with square groove, the size of sealed book is greater than the size of square groove.

Preferably, the upper end of the projection heat dissipation shell is fixed with the lower end of the rack plate through a screw, and the gear column is connected with the connecting shell through a bearing.

Preferably, the two ends of the limiting sliding rod are connected with the outer surface of one side of the threaded rod through threads, and the limiting sliding rod and the sealing roll are fixed through an adhesive.

Preferably, the sealing roll is connected with the protective shell through a connecting shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rack board drives the gear post and rotates, and the gear post drives the belt pulley and rotates, drives the transmission post through one of them belt pulley and rotates, and the transmission post drives the cleaning roller and rotates, utilizes the cleaning roller to clear up the one end of projection heat dissipation shell, guarantees that the camera lens of projection heat dissipation shell one end is clean;

2. the utility model discloses a threaded rod drives spacing slide bar and removes, and the sealed lower extreme of rolling up sealed protecting crust of spacing slide bar pulling makes it sealed for the device is sealed effectual, and convenient storage.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of a partial structure of the cleaning roller of the present invention;

fig. 4 is a schematic view of a partial structure of the sealing roll of the present invention.

In the figure: 1. a connecting shell; 2. a protective shell; 3. a folding frame; 4. a projection heat dissipation shell; 5. a rack plate; 6. a gear post; 7. a belt pulley; 8. a drive post; 9. a threaded rod; 10. a limiting slide bar; 11. sealing the roll; 12. a connecting shaft; 13. and cleaning the roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides an electronic projection arrangement, including connecting shell 1, the lower extreme fixed mounting of connecting shell 1 has protecting shell 2, the inboard sliding connection of protecting shell 2 has projection heat dissipation shell 4, the equal fixed mounting in both sides of 4 upper ends of projection heat dissipation shell has rack plate 5, one side meshing of rack plate 5 upper end is connected with gear post 6, make the device make things convenient for the transmission, the surface swing joint of gear post 6 one side has belt pulley 7, the inboard lower extreme swing joint of belt pulley 7 has threaded rod 9, two threaded rod 9 are connected through spacing slide bar 10, one side fixed mounting of spacing slide bar 10 has sealed book 11, spacing slide bar 10 stimulates the sealed lower extreme of rolling up 11 sealed protecting shell 2, make it sealed, make the device sealed effectual, and convenient the accomodating.

Further, sealed book 11 is the steel sealed book, and its material is the steel, and the equal fixed mounting in surface of sealed book 11 has sealed the pad, and the intermediate position swing joint of one of them belt pulley 7 inboard has transmission post 8, and the fixed surface of transmission post 8 one side installs cleaning roller 13, and transmission post 8 passes through the bearing with protecting crust 2 and is connected.

Through adopting above-mentioned technical scheme, utilize cleaning roll 13 to clear up the one end of projection heat dissipation shell 4, guarantee that the camera lens of projection heat dissipation shell 4 one end is clean.

Further, the projection heat dissipation shell 4 is connected with the connection shell 1 through a folding leg 3, and the folding leg 3 is connected with the connection shell 1 through telecommunication.

Through adopting above-mentioned technical scheme, through 3 pulling projection heat dissipation shells 4 of folding leg to contract the inboard of protective housing 2 for the device facilitates the use.

Further, the lower extreme of protecting crust 2 is provided with square groove, and the size of a dimension of sealed book 11 is greater than the size of a dimension in square groove.

Through adopting above-mentioned technical scheme, the sealed lower extreme of rolling up 11 sealed protecting crust 2 of spacing slide bar 10 pulling makes it sealed for the device is sealed effectual, and convenient storage.

Further, the upper end of the projection heat dissipation shell 4 and the lower end of the rack plate 5 are fixed through screws, and the gear column 6 is connected with the connecting shell 1 through a bearing.

Through adopting above-mentioned technical scheme, through 3 pulling projections of folding leg heat dissipation shell 4 shrink to the inboard of protecting crust 2, when rack 5 of projection heat dissipation shell 4 upper end and the gear post 6 contact of connecting 1 inboards of shell, drive gear post 6 through rack 5 and rotate, gear post 6 drives belt pulley 7 and rotates for the device makes things convenient for the transmission to use.

Furthermore, two ends of a limiting slide rod 10 are connected with the outer surface of one side of the threaded rod 9 through threads, and the limiting slide rod 10 and the sealing roll 11 are fixed through an adhesive.

Through adopting above-mentioned technical scheme, still can drive threaded rod 9 when rotating through belt pulley 7 and rotate, threaded rod 9 drives spacing slide bar 10 and removes, and spacing slide bar 10 stimulates the sealed lower extreme of rolling up 11 sealed protecting crust 2, makes it sealed for the device is sealed effectual, and convenient the accomodating.

Further, the sealing roll 11 is connected with the protective shell 2 through a connecting shaft 12.

By adopting the technical scheme, the device is convenient to use by installing the sealing coil 11 to be matched with the protective shell 2.

The working principle is as follows: when in use, the device is fixed by screws, the projection heat dissipation shell 4 is used, when not in use, the projection heat dissipation shell 4 is pulled by the folding frame 3 to be contracted to the inner side of the protective shell 2, when the rack plate 5 at the upper end of the projection heat dissipation shell 4 is contacted with the gear column 6 at the inner side of the connecting shell 1, the gear column 6 is driven to rotate by the rack plate 5, the gear column 6 drives the belt pulley 7 to rotate, one belt pulley 7 drives the transmission post 8 to rotate, the transmission post 8 drives the cleaning roller 13 to rotate, the cleaning roller 13 is utilized to clean one end of the projection heat dissipation shell 4, the lens at one end of the projection heat dissipation shell 4 is ensured to be clean, and belt pulley 7 still can drive threaded rod 9 when rotating, and threaded rod 9 drives spacing slide bar 10 and removes, and spacing slide bar 10 stimulates the sealed lower extreme of rolling up 11 sealed protecting crust 2, makes it sealed for the device is sealed effectual, and convenient storage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An electric projection device, comprising a connection housing (1), characterized in that: the lower extreme fixed mounting of splice case (1) has protecting crust (2), the inboard sliding connection of protecting crust (2) has projection heat dissipation shell (4), the equal fixed mounting in both sides of projection heat dissipation shell (4) upper end has rack plate (5), one side meshing of rack plate (5) upper end is connected with gear post (6), the surface swing joint of gear post (6) one side has belt pulley (7), the inboard lower extreme swing joint of belt pulley (7) has threaded rod (9), two threaded rod (9) are connected through spacing slide bar (10), one side fixed mounting of spacing slide bar (10) has sealed book (11).

2. An electric projection device according to claim 1, wherein: sealed book (11) are sealed the book of steel, the equal fixed mounting in surface of sealed book (11) has sealed the pad, one of them the inboard intermediate position swing joint of belt pulley (7) has transmission post (8), the fixed surface of transmission post (8) one side installs cleaning roller (13), transmission post (8) pass through the bearing with protecting crust (2) and are connected.

3. An electric projection device according to claim 1, wherein: the projection heat dissipation shell (4) is connected with the connecting shell (1) through a folding frame (3), and the folding frame (3) is connected with the connecting shell (1) through telecommunication.

4. An electric projection device according to claim 1, wherein: the lower extreme of protecting crust (2) is provided with square groove, the size of a dimension of sealed book (11) is greater than the size of a dimension of square groove.

5. An electric projection device according to claim 1, wherein: the upper end of the projection heat dissipation shell (4) is fixed with the lower end of the rack plate (5) through screws, and the gear column (6) is connected with the connecting shell (1) through a bearing.

6. An electric projection device according to claim 1, wherein: the two ends of the limiting sliding rod (10) are connected with the outer surface of one side of the threaded rod (9) through threads, and the limiting sliding rod (10) is fixed with the sealing roll (11) through an adhesive.

7. An electric projection device according to claim 1, wherein: the sealing roll (11) is connected with the protective shell (2) through a connecting shaft (12).