CN211289360U

CN211289360U - Projection arrangement is used in exhibition room propaganda

Info

Publication number: CN211289360U
Application number: CN201922038646.XU
Authority: CN
Inventors: 张凯
Original assignee: Shandong Lekesi Digital Technology Co ltd
Current assignee: Shandong Lekesi Digital Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-18
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a projection arrangement for exhibition room propaganda, including guard box, organism and elevating gear, the guard box inboard is equipped with the organism, the inside symmetry of bottom of guard box is fixed with the otic placode, the bottom one end of organism is rotated through pivot and otic placode and is connected, the bottom other end of organism is fixed with the fixed plate, be equipped with the driving groove in the fixed plate, the inner wall of guard box bottom is equipped with the screw hole, and has the threaded rod through threaded connection in the screw hole, the top of threaded rod is rotated through the bearing and is connected with the U-shaped frame, the U-shaped frame inboard is fixed with the dead lever, and the dead lever sets up in the driving groove, and this projector protects the camera lens of organism through the setting of guard box fine; the use requirements of curtains with different heights can be met by adjusting the inclination angle and the height of the machine body, so that the height of the machine body is adjusted, and the actual use requirements of an exhibition are met; is convenient for placing a computer and is more practical.

Description

Projection arrangement is used in exhibition room propaganda

Technical Field

The utility model relates to a projection technology field specifically is a projection arrangement is used in exhibition room propaganda.

Background

Because the exhibition stands of the exhibition hall are temporarily built, the exhibition stands need to be rearranged and built in different exhibitions, so that the projection equipment needs to be moved frequently and the height is changed, and the common projector cannot meet the actual use requirement; some use environments are complex, and platforms for placing projectors, notebooks and other equipment are unavailable. Therefore, a projection device for exhibition hall propaganda is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhibition room is projection arrangement for propaganda to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhibition room projection arrangement for propaganda, includes protecting box, organism and elevating gear, the protecting box inboard is equipped with the organism, the inside symmetry in bottom of protecting box is fixed with the otic placode, the bottom one end of organism is rotated with the otic placode through the pivot and is connected, the bottom other end of organism is fixed with the fixed plate, be equipped with the driving groove in the fixed plate, protecting box bottom inner wall is equipped with the screw hole, and threaded hole has the threaded rod through threaded connection, the top of threaded rod is rotated through the bearing and is connected with the U-shaped frame, U-shaped frame inboard is fixed with the dead lever, and the dead lever setting is in the driving groove, elevating gear is installed to the bottom of protecting box.

Preferably, elevating gear includes swivel sleeve, slide bar, sleeve, lead screw hand wheel and supporting seat, the bottom of protective housing is fixed with the swivel sleeve, the bottom of swivel sleeve is rotated and is connected with the slide bar, the bottom cover of slide bar is equipped with the sleeve, and slide bar sliding connection is in the sleeve, all install the lead screw hand wheel on swivel sleeve and the sleeve, telescopic bottom is fixed with the supporting seat.

Preferably, the telescopic outside is rotated and is connected with the computer and bears the dish, the top that the computer bore the dish is fixed with fixed cover, the top embedding sliding connection of fixed cover has the connecting rod, the one end and the swivel mount fixed connection of fixed cover are kept away from to the connecting rod.

Preferably, the bottom of the supporting seat is provided with a universal self-locking wheel.

Preferably, a hand-push frame is fixed on the supporting seat.

Preferably, a knob is fixed at the bottom end of the threaded rod, and anti-skid grains are arranged on the surface of the knob.

Compared with the prior art, the beneficial effects of the utility model are that: the lens of the machine body is well protected through the arrangement of the protective box;

the threaded rod can be driven to rotate by rotating the knob, so that the threaded rod is promoted to ascend or descend (when the threaded rod rotates, the U-shaped frame cannot rotate due to the fact that the inner walls of the two sides of the U-shaped frame are in contact with the fixing plate), the fixing rod slides along the driving groove, the machine body finally rotates relative to the protective box along the rotating shaft, the projection inclination angle of the machine body is adjusted, the height of the sliding rod can be adjusted by unscrewing the screw rod hand wheel on the sleeve, the height of the machine body is adjusted, and the actual use requirement of the exhibition is met;

place the computer on the computer bears the dish, link together computer and organism through the data line, through rotating the swivel sleeve, can adjust the projection direction of organism, when rotating the swivel sleeve, the computer bears the dish also can be along with rotating together, and then the computer bears the dish and keeps parallel with the organism, the user can operate the computer through watching the projection picture on the curtain, especially, be suitable for the desktop computer that does not have the screen (the desktop computer is under the condition that does not have the display screen, can only operate the computer through the picture on the projection curtain, when using notebook computer, can close notebook computer's demonstration, operate the computer through the picture that observes on the curtain, more the power saving).

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation position of the lead screw hand wheel of the present invention;

FIG. 3 is a schematic view of the internal structure of the protective box of the present invention;

fig. 4 is a schematic view of the structure of the region a in fig. 3 according to the present invention.

In the figure: 1. a protective box; 2. an ear plate; 3. a body; 4. a rotating shaft; 5. a fixing plate; 6. a drive slot; 7. a threaded rod; 8. a U-shaped frame; 9. fixing the rod; 10. a lifting device; 11. a rotating sleeve; 12. a slide bar; 13. a sleeve; 14. a lead screw hand wheel; 15. a supporting seat; 16. a computer carrying tray; 17. fixing a sleeve; 18. a connecting rod; 19. a universal self-locking wheel; 20. a hand-push frame; 21. a knob.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an exhibition room projection arrangement for propaganda, includes protecting box 1, organism 3 and

elevating gear

10, 1 inboard of protecting box is equipped with organism 3, the inside symmetry in bottom of protecting box 1 is fixed with otic placode 2, the bottom one end of organism 3 is rotated with otic placode 2 through pivot 4 and is connected, the bottom other end of organism 3 is fixed with fixed plate 5, be equipped with driving groove 6 in the

fixed plate

5, 1 bottom inner wall of protecting box is equipped with the screw hole, and has threaded rod 7 through threaded connection in the screw hole, the top of threaded rod 7 is rotated through the bearing and is connected with U-shaped frame 8, U-shaped frame 8 inboard is fixed with dead lever 9, and dead lever 9 sets up in driving groove 6, elevating gear 10 is installed to the bottom of protecting box 1.

Elevating gear 10 includes rotatory cover 11, slide bar 12, sleeve 13, lead screw hand wheel 14 and supporting seat 15, the bottom of protective housing 1 is fixed with rotatory cover 11, the bottom of rotatory cover 11 is rotated and is connected with slide bar 12, the bottom cover of slide bar 12 is equipped with sleeve 13, and slide bar 12 sliding connection is in sleeve 13, all install lead screw hand wheel 14 on rotatory cover 11 and the sleeve 13, sleeve 13's bottom is fixed with supporting seat 15.

The outer side of the sleeve 13 is rotatably connected with a computer bearing disc 16, the top of the computer bearing disc 16 is fixed with a fixed sleeve 17, the top end of the fixed sleeve 17 is embedded with a connecting rod 18 in a sliding connection mode, and one end, far away from the fixed sleeve 17, of the connecting rod 18 is fixedly connected with the rotating sleeve 11.

The bottom of the supporting seat 15 is provided with a universal self-locking wheel 19, which is convenient for moving the projector.

A hand-push bracket 20 is fixed on the support seat 15, so that the projector can be conveniently pushed.

The bottom end of the threaded rod 7 is fixed with a knob 21, and anti-skidding lines are arranged on the surface of the knob 21, so that the threaded rod 7 can be driven conveniently.

The working principle is as follows: the threaded rod 7 can be driven to rotate by rotating the knob 21, so that the threaded rod 7 is promoted to ascend or descend (when the threaded rod 7 rotates, the U-shaped frame 8 cannot rotate due to the fact that the inner walls of the two sides of the U-shaped frame 8 are in contact with the fixing plate 5), the fixing rod 9 slides along the driving groove 6, the machine body 3 finally rotates along the rotating shaft 4 relative to the protection box 1, and the projection inclination angle of the machine body 3 is adjusted;

the computer is placed on a computer bearing disc 16, the computer is connected with the machine body 3 through a data line, the projection direction of the machine body 3 can be adjusted by rotating the rotary sleeve 11, when the rotary sleeve 11 is rotated, the computer bearing disc 16 also rotates along with the rotary sleeve, the computer bearing disc 16 is parallel to the machine body 3, a user can operate the computer by watching a projection picture on a curtain, and the rotary sleeve 11 and the sliding rod 12 can be locked relatively by rotating the lead screw hand wheel 14;

the height of the sliding rod 12 can be adjusted by unscrewing the screw rod hand wheel 14 on the sleeve 13, so that the height of the machine body 3 is adjusted, and the actual use requirement is met.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhibition room propaganda uses projection arrangement, includes guard box (1), organism (3) and elevating gear (10), its characterized in that: protection box (1) inboard is equipped with organism (3), the inside symmetry in bottom of protection box (1) is fixed with otic placode (2), the bottom one end of organism (3) is rotated with otic placode (2) through pivot (4) and is connected, the bottom other end of organism (3) is fixed with fixed plate (5), be equipped with driving groove (6) in fixed plate (5), protection box (1) bottom inner wall is equipped with the screw hole, and has threaded rod (7) through threaded connection in the screw hole, the top of threaded rod (7) is rotated through the bearing and is connected with U-shaped frame (8), U-shaped frame (8) inboard is fixed with dead lever (9), and dead lever (9) set up in driving groove (6), elevating gear (10) are installed to the bottom of protection box (1).

2. The projection device for exhibition hall propaganda according to claim 1, characterized in that: elevating gear (10) are including rotatory cover (11), slide bar (12), sleeve (13), lead screw hand wheel (14) and supporting seat (15), the bottom of protective housing (1) is fixed with rotatory cover (11), the bottom of rotatory cover (11) is rotated and is connected with slide bar (12), the bottom cover of slide bar (12) is equipped with sleeve (13), and slide bar (12) sliding connection in sleeve (13), all install lead screw hand wheel (14) on rotatory cover (11) and sleeve (13), the bottom of sleeve (13) is fixed with supporting seat (15).

3. The projection device for exhibition hall propaganda according to claim 2, characterized in that: the outside of sleeve (13) is rotated and is connected with the computer and bears dish (16), the top that the computer bore dish (16) is fixed with fixed cover (17), the top embedding sliding connection of fixed cover (17) has connecting rod (18), the one end and rotatory cover (11) fixed connection of fixed cover (17) are kept away from in connecting rod (18).

4. The projection device for exhibition hall propaganda according to claim 2, characterized in that: the bottom of the supporting seat (15) is provided with a universal self-locking wheel (19).

5. The projection device for exhibition hall propaganda according to claim 2, characterized in that: a hand-push frame (20) is fixed on the supporting seat (15).

6. The projection device for exhibition hall propaganda according to claim 1, characterized in that: the bottom end of the threaded rod (7) is fixed with a knob (21), and anti-skidding lines are arranged on the surface of the knob (21).