CN211264061U

CN211264061U - Automatic lifting structure of projection curtain for extraclass guidance

Info

Publication number: CN211264061U
Application number: CN201922252478.4U
Authority: CN
Inventors: 王宁; 杨璐
Original assignee: Shaanxi Shaqiao Technology Co ltd
Current assignee: Shaanxi Shaqiao Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-14
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an automatic elevation structure of projection curtain for extraterrestrial tutoring, which comprises a supporting pedestal and is characterized by further comprising, support the upper end of base and install two sets of telescopic links, the lower extreme surface of supporting the base is provided with the bearing wheel, the bearing mechanism is installed in the place ahead of the bearing wheel of the lower extreme surface of support base, the connection horizontal pole is installed at the top of two sets of telescopic links, fixed slot and fixed establishment are installed respectively to the front end surface of two sets of telescopic links, be provided with the curtain main part between fixed slot and the fixed establishment, the lower extreme of the connection horizontal pole of the upper end of curtain main part is connected with the hookup. A class is projection curtain automatic rising structure for tutor, can be convenient for install, dismantle the curtain, and can improve the steadiness when using.

Description

Automatic lifting structure of projection curtain for extraclass guidance

Technical Field

The utility model relates to an extraclass tutor articles for use field, in particular to extraclass is projection curtain automatic rising structure for tutor.

Background

In order to improve the learning performance of students, parents usually give out-of-class coaching to their children, wherein teachers usually use an automatic curtain lifting structure to unfold a curtain during the out-of-class coaching, so that the teaching content can be projected onto the curtain to be conveniently watched by the students; the automatic lifting structure of the existing projection curtain for extraclass guidance has certain defects in use, is not stable enough in use, is inconvenient to install and disassemble the curtain, brings certain adverse effects to actual use, and provides the automatic lifting structure of the projection curtain for extraclass guidance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a projection curtain automatic rising structure for extraclass tutor can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an extraterrestrial guidance is with projection curtain automatic rising structure, is including supporting the base, support the upper end of base and install two sets of telescopic links, the lower extreme surface of supporting the base is provided with the bearing wheel, the bearing mechanism is installed in the place ahead of the bearing wheel of the lower extreme surface of support base, the connection horizontal pole is installed at the top of two sets of telescopic links, fixed slot and fixed establishment are installed respectively to the front end surface of two sets of telescopic links, be provided with the curtain main part between fixed slot and the fixed establishment, the lower extreme of the connection horizontal pole of the upper end of curtain main part is connected with the couple.

Preferably, the outer surface of the lower end of the connecting cross rod is movably connected with the outer surface of the upper end of the supporting base through a telescopic rod, a welding wire is arranged between the telescopic rod and the supporting base, and the outer surface of the lower end of the telescopic rod is fixedly connected with the outer surface of the upper end of the supporting base through the welding wire.

Through adopting above-mentioned technical scheme, the welding wire plays the effect of welding telescopic link and support base together, supports the effect that the base played the support, connects the horizontal pole and plays the effect of connecting the pulling curtain.

Preferably, fixed establishment is including installing the restriction frame at the front end surface of telescopic link, compression spring is installed to the inside bottom surface of restriction frame, the slurcam is installed to one side of compression spring, the outer surface mounting in one side of slurcam has the block rubber.

Through adopting above-mentioned technical scheme, compression spring plays the effect that promotes, and the function of slurcam increase area of contact, the rubber block plays the effect of protection, and the restriction frame plays the fixed effect of restriction.

Preferably, a screw is arranged between the fixing groove and the telescopic rod, and the outer surface of the rear end of the fixing groove is fixedly connected with the outer surface of the front end of the telescopic rod through the screw.

Through adopting above-mentioned technical scheme, the fixed slot plays the fixed effect of restriction, and the screw plays and fixes fixed slot and telescopic link together effect.

Preferably, the bearing mechanism is including installing the bearing spiral shell section of thick bamboo in the place ahead of the bearing wheel that supports the lower extreme surface of base, the inside of bearing spiral shell section of thick bamboo is screwed there is the bearing double-screw bolt, the bearing dish is installed to the lower extreme of bearing double-screw bolt, the lower extreme surface of bearing dish is provided with the rubber pad, the rotation handle is installed in the outside of bearing double-screw bolt.

Through adopting above-mentioned technical scheme, the effect of joint support is played to the bearing barrel, and the bearing double-screw bolt plays the effect of support, rotates the handle and plays and controls pivoted effect, and the rubber pad plays the effect of increase frictional force and protection.

Preferably, a bolt is arranged between the connecting cross rod and the telescopic rod, and the outer surface of the lower end of the connecting cross rod is fixedly connected with the top surface of the telescopic rod through the bolt.

By adopting the technical scheme, the bolt plays a role in fixing the connecting cross rod and the telescopic rod together.

Compared with the prior art, the utility model discloses following beneficial effect has: because the curtain body fixing device is provided with the bearing mechanism, the rotating handle can be grasped to drive the bearing stud to rotate, the bearing disc can move downwards to be contacted with the ground by utilizing the thread performance between the bearing stud and the bearing screw cylinder, and simultaneously the bearing wheel is supported to be separated from the ground, so that the phenomenon that the bearing wheel moves when the supporting base is used is avoided, and the advantage of improving the stability during use is further realized, because the fixing mechanism is arranged, one end of the curtain body can be placed into the limiting frame and pressed inwards to enable the compression spring to contract, then one end of the curtain body is placed into the fixing groove, and meanwhile, the compression spring recovers deformation under the effect of no external force to push the pushing plate to move to be contacted with the curtain body, the curtain body is extruded and fixed between the pushing plate and the fixing groove, namely, the curtain body is fixed on the telescopic rod to complete installation, otherwise can dismantle, and then realize its benefit of being convenient for install, dismantle the curtain, the effect of using is better for traditional mode.

Drawings

Fig. 1 is a schematic view of an overall structure of an automatic lifting structure of a projection curtain for extraterrestrial tutoring according to the present invention;

fig. 2 is a sectional view of the fixing mechanism of the automatic lifting structure of the projection curtain for extraterrestrial tutoring according to the present invention;

fig. 3 is a sectional view of the bearing mechanism of the automatic lifting structure of the projection curtain for extraterrestrial tutoring of the present invention;

fig. 4 is the utility model relates to a schematic diagram of the bearing double-screw bolt of projection curtain automatic rising structure for extraterrestrial guidance.

In the figure: 1. a support base; 2. a load-bearing wheel; 3. a load bearing mechanism; 31. a load-bearing screw cylinder; 32. a load bearing stud; 33. a load-bearing plate; 34. a rubber pad; 35. rotating the handle; 4. a telescopic rod; 5. connecting the cross bars; 6. a fixing mechanism; 61. a limit frame; 62. a compression spring; 63. a push plate; 64. a rubber block; 7. fixing grooves; 8. a curtain main body; 9. and (4) connecting a hook.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an automatic lifting structure of a projection curtain for extraterrestrial tutoring comprises a supporting base 1, two sets of telescopic rods 4 are installed at the upper end of the supporting base 1, a bearing wheel 2 is arranged on the outer surface of the lower end of the supporting base 1, a bearing mechanism 3 is installed in front of the bearing wheel 2 on the outer surface of the lower end of the supporting base 1, a connecting cross rod 5 is installed at the tops of the two sets of telescopic rods 4, a fixing groove 7 and a fixing mechanism 6 are respectively installed on the outer surfaces of the front ends of the two sets of telescopic rods 4, a curtain main body 8 is arranged between the fixing groove 7 and the fixing mechanism 6, and a connecting hook 9 is connected to the lower end.

The lower extreme surface of connecting horizontal pole 5 passes through telescopic link 4 and the upper end surface swing joint who supports base 1, is provided with the welding wire between telescopic link 4 and the support base 1, and the lower extreme surface of telescopic link 4 passes through the welding wire and is connected with the upper end external surface fixed who supports base 1, and the welding wire plays the effect of welding telescopic link 4 and support base 1 together, supports base 1 and plays the effect of support, connects horizontal pole 5 and plays the effect of connecting the pulling curtain.

Fixing mechanism 6 is including installing the restriction frame 61 at the front end surface of telescopic link 4, and compression spring 62 is installed to the inside bottom surface of restriction frame 61, and the catch plate 63 is installed to one side of compression spring 62, and the surface mounting has block rubber 64 on one side of catch plate 63, and compression spring 62 plays the effect of promoting, and catch plate 63 increases area of contact's effect, and block rubber 64 plays the effect of protection, and restriction frame 61 plays the fixed effect of restriction.

A screw is arranged between the fixing groove 7 and the telescopic rod 4, the outer surface of the rear end of the fixing groove 7 is fixedly connected with the outer surface of the front end of the telescopic rod 4 through the screw, the fixing groove 7 plays a role in limiting and fixing, the screw plays a role in fixing the fixing groove 7 and the telescopic rod 4 together, and the type of the telescopic rod 4 is YNT-ZZ.

The bearing mechanism 3 comprises a bearing screw cylinder 31 arranged in front of a bearing wheel 2 on the outer surface of the lower end of the support base 1, a bearing stud 32 is screwed inside the bearing screw cylinder 31, a bearing disc 33 is arranged on the lower end of the bearing stud 32, a rubber pad 34 is arranged on the outer surface of the lower end of the bearing disc 33, a rotating handle 35 is arranged on the outer side of the bearing stud 32, the bearing screw cylinder 31 plays a role in connection and support, the bearing stud 32 plays a role in support, the rotating handle 35 plays a role in holding rotation, and the rubber pad 34 plays a role in increasing friction force and protecting.

The bolt is arranged between the connecting cross rod 5 and the telescopic rod 4, the outer surface of the lower end of the connecting cross rod 5 is fixedly connected with the top surface of the telescopic rod 4 through the bolt, and the bolt plays a role in fixing the connecting cross rod 5 and the telescopic rod 4 together.

It should be noted that, the present invention is an automatic lifting structure of a projection screen for extraterrestrial tutoring, when in use, a user places one end of a screen main body 8 into a limiting frame 61, and presses inward to contract a compression spring 62, then the user places one end of the screen main body 8 into a fixing groove 7, the compression spring 62 recovers deformation without external force to push a pushing plate 63 to move and contact with the screen main body 8, the screen main body 8 is fixed between the pushing plate 63 and the fixing groove 7 in an extruding manner, i.e. the screen main body 8 is fixed on a telescopic rod 4, then the user fixes the top of the screen main body 8 together with a connecting cross rod 5 through a connecting hook 9, then the user starts the automatic lifting structure of the projection screen to extend the telescopic rod 4 to pull the screen main body 8 to move upwards, and the rolled screen is unfolded and then can be used, when the bearing wheel is used, a user can hold the rotating handle 35 to drive the bearing stud 32 to rotate, so that the bearing disc 33 of the bearing wheel can move downwards to contact with the ground by utilizing the thread performance between the bearing stud 32 and the bearing screw cylinder 31, and meanwhile, the bearing wheel 2 is supported to be separated from the ground, so that the phenomenon that the bearing wheel 2 moves when the base 1 is supported in the using process is avoided, and the bearing wheel is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an extraterrestrial for tutor projection curtain automatic rising structure, includes support base (1), its characterized in that: support the upper end of base (1) and install two sets of telescopic link (4), the lower extreme surface of supporting base (1) is provided with bearing wheel (2), support the place ahead of bearing wheel (2) of the lower extreme surface of base (1) and install bearing mechanism (3), connect horizontal pole (5) are installed at the top of two sets of telescopic link (4), fixed slot (7) and fixed establishment (6) are installed respectively to the front end surface of two sets of telescopic link (4), be provided with between fixed slot (7) and fixed establishment (6) curtain main part (8), the lower extreme of connecting horizontal pole (5) of the upper end of curtain main part (8) is connected with couple (9).

2. The automatic lifting structure of projection curtain for extraterrestrial coaching of claim 1, wherein: the outer surface of the lower end of the connecting cross rod (5) is movably connected with the outer surface of the upper end of the supporting base (1) through a telescopic rod (4), a welding wire is arranged between the telescopic rod (4) and the supporting base (1), and the outer surface of the lower end of the telescopic rod (4) is fixedly connected with the outer surface of the upper end of the supporting base (1) through the welding wire.

3. The automatic lifting structure of projection curtain for extraterrestrial coaching of claim 1, wherein: fixed establishment (6) are including installing restriction frame (61) at the front end surface of telescopic link (4), compression spring (62) are installed to the inside bottom surface of restriction frame (61), catch plate (63) are installed to one side of compression spring (62), one side surface mounting of catch plate (63) has block rubber (64).

4. The automatic lifting structure of projection curtain for extraterrestrial coaching of claim 1, wherein: and a screw is arranged between the fixing groove (7) and the telescopic rod (4), and the outer surface of the rear end of the fixing groove (7) is fixedly connected with the outer surface of the front end of the telescopic rod (4) through the screw.

5. The automatic lifting structure of projection curtain for extraterrestrial coaching of claim 1, wherein: bearing mechanism (3) are including installing bearing barrel (31) in the place ahead of bearing wheel (2) at the lower extreme surface of supporting base (1), the inside of bearing barrel (31) is screwed there is bearing double-screw bolt (32), bearing dish (33) is installed to the lower extreme of bearing double-screw bolt (32), the lower extreme surface of bearing dish (33) is provided with rubber pad (34), rotation handle (35) are installed in the outside of bearing double-screw bolt (32).

6. The automatic lifting structure of projection curtain for extraterrestrial coaching of claim 1, wherein: the connecting device is characterized in that a bolt is arranged between the connecting cross rod (5) and the telescopic rod (4), and the outer surface of the lower end of the connecting cross rod (5) is fixedly connected with the top surface of the telescopic rod (4) through the bolt.