CN220381444U - Projection auxiliary device for activity planning - Google Patents

Abstract

The utility model discloses a projection auxiliary device for movable planning, which comprises a box body, wherein a roller is fixedly arranged on a rotating shaft in the box body, a plurality of length curtains are wound on the roller, connecting rods are fixedly arranged at the free ends of the curtains, which are far away from the roller, of the roller, a plurality of hanging pieces are equidistantly arranged on the rear end face of the connecting rods along the length direction of the connecting rods, a first external threaded rod matched with the hanging pieces is arranged in the first nut column at the position corresponding to the hanging pieces on the rear side face of the bottom wall of the box body, a telescopic rod is fixedly arranged on the top face of the first external threaded rod, a clamping groove matched with the hanging pieces is formed in the top face of a mounting seat, a brake disc is fixedly arranged between a hand wheel and the end face of the box body on the outer side face of the rotating shaft, and a fixing device for positioning the brake disc is further arranged on the end face of the box body corresponding to the brake disc. The portable device is simple in structure, convenient to store or unfold, and capable of being carried or transferred conveniently and rapidly, so that the service efficiency of the device is improved.

Description

Projection auxiliary device for activity planning

Technical Field

The utility model relates to the technical field of movable planning projection, in particular to a projection auxiliary device for movable planning.

Background

The activity planning is an effective action for improving the market share of products, and one set of executable, operable and creatively outstanding activity planning can effectively improve the awareness degree and brand reputation degree of enterprises. In the process of activity planning, projection equipment is required to be used for effectively displaying contents, and in the process of projection, a curtain is required to be used for receiving output signals of a projector so as to achieve an imaging effect.

Because there is certain randomness in the implementation of activity plan, traditional projection is inconvenient accomodate, carry or shift with the curtain, and when outdoor use in addition, can not effectively expand the curtain fast and use yet, influence the availability factor of device.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the technical defects and provide the projection auxiliary device for the activity planning.

In order to solve the problems, the technical scheme of the utility model is as follows: the utility model provides a projection auxiliary device for activity plan, includes the box, articulated on the box top surface be equipped with the case lid, wear to be equipped with the pivot along its length direction on the box leading flank, in the box the fixed roll that is equipped with in the pivot, around being equipped with the curtain of a plurality of lengths on the roll, the curtain is kept away from the free end of roll and is still fixed to be equipped with the connecting rod, be equipped with a plurality of pendants along its length direction equidistance on the connecting rod trailing end face, be equipped with the nut post in the punishment that corresponds in the pendant on the box diapire trailing side, be equipped with the external screw rod one rather than looks adaptation in the nut post, still be fixed on the external screw rod one top surface and be equipped with the telescopic link, telescopic link expansion end top surface cover is equipped with the mount pad, offer the draw-in groove with pendant looks adaptation on the mount pad top surface, the pivot stretches out the arbitrary tip of box and is equipped with the hand wheel, and still be equipped with the brake disc on the pivot lateral surface between hand wheel and the box terminal surface fixedly on the box terminal surface still be equipped with the fixing device to its location.

Further, fixing device includes fixing base, U type frame and locating plate, is equipped with the fixing base below the box terminal surface corresponding with the brake disc, be equipped with U type frame in the front and back both ends of brake disc on the fixing base top surface, be equipped with articulated seat on the fixing base top surface respectively in the brake disc both ends correspondence department, two connect respectively on the articulated seat and be equipped with the locating plate, be equipped with on the U type frame roof and enable two locating plate relative or the adjusting device of back of the body wobbling mutually.

Further, adjusting device includes connecting seat and movable rod, is being close to on the locating plate upper portion the fixed connecting seat that is equipped with on the U type frame roof, two wear to be equipped with respectively in the connecting seat and slide left and right sides's movable rod, movable rod one end fixed connection is on the locating plate inner end face, and other end fixed connection is on the external screw rod II, two the screw thread of external screw rod (II) is opposite to be set up, and still is equipped with the screw thread section of thick bamboo rather than looks adaptation jointly on the relative terminal surface.

Furthermore, a reset spring is wound between the locating plate and the connecting seat on the outer side surface of the movable rod.

Further, the two opposite end surfaces of the positioning plates corresponding to the brake disc are arc-shaped surfaces which are matched with each other for use, and brake blocks are nested on the arc-shaped surfaces.

Further, four corners of the bottom surface of the box body are respectively provided with a powerful sucker.

Compared with the prior art, the utility model has the advantages that: the curtain and the hanging piece on the connecting rod are wound on the front side surface roller in the box body, and under the action of the telescopic rod, the mounting seat and the clamping groove, the curtain can be pulled upwards to move upwards for unfolding operation, and the curtain can be effectively unfolded and fixedly used under the action of the telescopic rod on the rear side surface and the action of the clamping groove and the hanging piece, so that the curtain can be conveniently stored, carried or transferred; the fixing device on the end face of the box body can effectively position the winding roller under the action of the fixing device after the state of unfolding the curtain is adjusted, so that the stability of the device in the use process is improved. The portable device is simple in structure, convenient to store or unfold, and capable of being carried or transferred conveniently and rapidly, so that the service efficiency of the device is improved.

Drawings

Fig. 1 is a first view structural diagram of the present utility model.

Fig. 2 is a second view angle block diagram of the present utility model.

Fig. 3 is an enlarged view of the utility model at a in fig. 2.

Fig. 4 is a side view of the fixture of the present utility model.

Fig. 5 is an enlarged view of the present utility model at B in fig. 4.

Fig. 6 is a block diagram of the mating of the screw barrel and threaded rod of the present utility model.

As shown in the figure: 1. a case; 2. a rotating shaft; 3. a roller; 4. a curtain; 5. a connecting rod; 6. a hanging piece; 7. a nut post; 8. an external threaded rod I; 9. a telescopic rod; 10. a mounting base; 11. a clamping groove; 12. a fixing seat; 13. a U-shaped frame; 14. a brake disc; 15. a hinge base; 16. a positioning plate; 17. a hand wheel; 18. a connecting seat; 19. a moving rod; 20. an external threaded rod II; 21. a thread cylinder; 22. a return spring; 23. a case cover; 24. a brake pad; 25. a strong sucking disc.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, a projection auxiliary device for movable planning comprises a box body 1, a box cover 23 is hinged on the top surface of the box body 1, a rotating shaft 2 is penetrated on the front side surface of the box body 1 along the length direction of the box body, a roller 3 is fixedly arranged on the rotating shaft 2 in the box body 1, a plurality of lengths of curtains 4 are wound on the roller 3, the curtain 4 can be unfolded in the rotating process of the roller 3 by pulling upwards, a connecting rod 5 is fixedly arranged at the free end part of the curtain 4 far away from the roller 3, a plurality of hanging pieces 6 are equidistantly arranged on the rear end surface of the connecting rod 5 along the length direction of the connecting rod, nut columns 7 are respectively arranged on the rear side surface of the bottom wall of the box body 1 corresponding to the hanging pieces 6, an external threaded rod 8 matched with the nut columns 7 is arranged in the nut columns, a telescopic rod 9 is fixedly arranged on the top surface of the external threaded rod 8, the telescopic link 9 is the cooperation structure of spring pin and pinhole among the prior art, telescopic link 9 expansion end top surface cover is equipped with mount pad 10, set up on the mount pad 10 top surface with the draw-in groove 11 of pendant 6 looks adaptation, carry out effectual fixing to the top of curtain 4 under the cooperation of draw-in groove 11 and pendant 6 and at telescopic link 9 rebound's in-process, arbitrary tip of pivot 2 stretching out box 1 is equipped with hand wheel 17, and still be equipped with brake disc 14 in the fixed hand wheel 17 between the box 1 terminal surface on the pivot 2 lateral surface, still be equipped with the fixing device to its location on the box 1 terminal surface corresponding with brake disc 14, box 1 bottom surface four corners department still is equipped with powerful sucking disc 25 respectively, through the effect of powerful sucking disc 25, can guarantee the stability in the use of box 1.

The fixing device comprises a fixing seat 12, a U-shaped frame 13 and positioning plates 16, wherein the fixing seat 12 is arranged below the end face of the box body 1 corresponding to the brake disc 14, the U-shaped frame 13 is arranged at the front end and the rear end of the brake disc 14 on the top surface of the fixing seat 12, hinge seats 15 are respectively arranged at the corresponding positions of the two ends of the brake disc 14 on the top surface of the fixing seat 12, the two hinge seats 15 are respectively connected with the positioning plates 16, the opposite end faces of the two positioning plates 16 corresponding to the brake disc 14 are arc-shaped faces which are mutually matched for use, a brake block 24 is also nested on the arc-shaped faces, and an adjusting device which enables the two positioning plates 16 to swing oppositely or reversely is arranged on the top wall of the U-shaped frame 13.

The adjusting device comprises a connecting seat 18 and a moving rod 19, wherein the connecting seat 18 is fixedly arranged on the top wall of the U-shaped frame 13 close to the upper part of the positioning plate 16, the moving rod 19 capable of sliding left and right is respectively arranged on the two connecting seats 18 in a penetrating way, one end of the moving rod 19 is fixedly connected to the inner end face of the positioning plate 16, the other end of the moving rod is fixedly connected to the second external threaded rod 20, threads of the two second external threaded rods 20 are oppositely arranged, thread cylinders 21 matched with the two external threaded rods are also commonly arranged on the opposite end faces, the two external threaded rods 20 at the two ends can be driven to move relatively or oppositely by rotating the thread cylinders 21, the positioning plates 16 at the two ends are driven to swing relatively or reversely simultaneously, the brake disc 14 is effectively positioned under the action of an inner side brake piece 24, and accordingly a reset spring 22 is arranged on the outer side face of the moving rod 19 between the positioning plate 16 and the connecting seat 18.

In specific use, firstly, the box body 1 is carried to a designated position, the box cover 23 on the top surface is opened, the curtain 4 is pulled upwards to move upwards to carry out unfolding operation on the curtain in the process of rotating the winding roller 3, then the first outer screw rod 8 is screwed into the nut post 7 matched with the first outer screw rod, the telescopic rod 9 is connected, the top surface of the curtain 4 is effectively positioned under the action of the matching action of the clamping groove 11 and the hanging piece 6, then the second outer screw rod 20 on the two ends is driven to move relatively by rotating the threaded cylinder 21, and meanwhile, the positioning plates 16 on the two ends are driven to move relatively, and the brake disc 14 is effectively positioned under the action of the inner side brake piece 24, so that the lower part of the curtain 4 is effectively positioned.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a projection auxiliary device for activity planning, includes box (1), articulated on box (1) top surface is equipped with case lid (23), its characterized in that: the utility model provides a brake device, including box (1) and box (1) bottom wall, be equipped with pivot (2) on its length direction wears to be equipped with on the front side, in box (1) be equipped with roller (3) on pivot (2) fixedly, around being equipped with curtain (4) of a plurality of lengths on roller (3), curtain (4) keep away from free tip of roller (3) still fixedly be equipped with connecting rod (5), be equipped with a plurality of pendants (6) along its length direction equidistance on connecting rod (5) rear end face, be equipped with nut post (7) in the punishment that corresponds of pendant (6) on box (1) bottom wall trailing flank, be equipped with in nut post (7) rather than external screw rod (8) of looks adaptation, still be equipped with telescopic link (9) on external screw rod (8) top surface, telescopic link (9) top surface cover is equipped with mount pad (10), set up on the top surface of mount pad (10) with on the top surface with free end portion of pendant (6) looks adaptation draw-in groove (11), arbitrary one end portion that box (1) were stretched out in pivot (2) is equipped with hand wheel (17) on the bottom wall trailing edge of handle (1), and be equipped with in the corresponding brake disc (14) of the brake device on the box (1) and the end face of fixing device.

2. The projection assistance apparatus for activity planning according to claim 1, wherein: fixing device includes fixing base (12), U type frame (13) and locating plate (16), is corresponding with brake disc (14) box (1) terminal surface below is equipped with fixing base (12), both ends are equipped with U type frame (13) around brake disc (14) on fixing base (12) top surface, be equipped with articulated seat (15) respectively in brake disc (14) both ends correspondence department on fixing base (12) top surface, two connect respectively on articulated seat (15) and be equipped with locating plate (16), be equipped with on U type frame (13) roof and enable two adjusting device of locating plate (16) relative or opposite side wobbling.

3. The projection assist apparatus for activity planning according to claim 2, wherein: the adjusting device comprises a connecting seat (18) and a moving rod (19), wherein the connecting seat (18) is fixedly arranged on the top wall of the U-shaped frame (13) close to the upper part of the positioning plate (16), the two moving rods (19) capable of sliding left and right are respectively arranged in the connecting seats (18) in a penetrating mode, one end of each moving rod (19) is fixedly connected onto the inner end face of the positioning plate (16), the other end of each moving rod is fixedly connected onto the second external threaded rod (20), threads of the two external threaded rods (20) are oppositely arranged, and threaded cylinders (21) matched with the two moving rods are also commonly arranged on the opposite end faces.

4. A projection assistance apparatus for an activity planning as claimed in claim 3, wherein: the outer side surface of the movable rod (19) is also provided with a return spring (22) in a winding way between the positioning plate (16) and the connecting seat (18).

5. The projection assistance apparatus for activity planning of any one of claims 2 to 4, wherein: the opposite end surfaces of the two positioning plates (16) corresponding to the brake disc (14) are arc-shaped surfaces which are matched with each other for use, and brake blocks (24) are nested on the arc-shaped surfaces.

6. The projection assistance apparatus for activity planning according to claim 1, wherein: four corners of the bottom surface of the box body (1) are also respectively provided with a powerful sucker (25).