CN216353227U

CN216353227U - Colleges and universities are recruited and are used portable bill-board

Info

Publication number: CN216353227U
Application number: CN202122459335.8U
Authority: CN
Inventors: 陈文帮
Original assignee: Individual
Current assignee: Shaanxi Yunhua Xianghong Technology Information Co.,Ltd.
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-19
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a portable billboard for college enrollment, and belongs to the technical field of college enrollment. The utility model provides a colleges and universities are recruited and are used portable bill-board, including the shrink shell, the spacing groove has been seted up to shrink shell top surface, the spacing inslot internal rotation is connected with two-way lead screw, the outside bilateral symmetry structure cover that is of two-way lead screw is equipped with two spiral shell pieces, two-way lead screw left end is equipped with the rolling disc admittedly, a plurality of draw-in grooves have been seted up to rolling disc right side wall edge, the shrink shell upside is equipped with the stop collar, the inside four corners department of stop collar all rotates and is connected with the gear, the gear outside has set firmly the bracing piece, the shrink shell rear wall articulates there is the protecting crust, the protecting crust bottom is bilateral symmetry structure and sets up two indent, the protecting crust left wall has been seted up the poster and has been accomodate the groove. According to the utility model, the protective shell is additionally arranged, and the protective shell protects the folded and accommodated support rod, so that the accommodating safety of the support rod is enhanced, and the service life of the device is prolonged.

Description

Colleges and universities are recruited and are used portable bill-board

Technical Field

The utility model relates to the technical field of college enrollment, in particular to a portable billboard for college enrollment.

Background

Billboards generally refer to any outdoor medium that delivers advertising information. The size of the medium is determined according to the actual environment, and pictures of the shop signboard, the shop head and the facade can be made by hand drawing, computer making or printing on paper. The billboard is generally made of square tubes, angle steels and the like which are welded. With the development of education institutions, information of schools needs to be popularized when some colleges and universities board for propaganda, and therefore the images of the schools are improved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a portable billboard for college students to solve the problems in the background technology.

2. Technical scheme

A portable billboard for colleges and universities comprises a contraction shell, wherein the outer wall of the contraction shell is provided with two hasps in a bilateral symmetry structure, the top surface of the contraction shell is provided with a limit groove, a bidirectional screw rod is rotationally connected in the limit groove, the outer part of the bidirectional screw rod is sleeved with two screw blocks in a bilateral symmetry structure, the left end of the bidirectional screw rod is fixedly provided with a rotating disc, the edge of the right wall of the rotating disc is provided with a plurality of clamping grooves, the left wall of the contraction shell is provided with a movable groove, the left wall of the movable groove is screwed with a sealing cover, the middle part of the sealing cover is inserted with a press rod, the left end of the press rod is sleeved with a rubber sleeve, the middle part of the press rod is fixedly provided with a push rod, the left end of the push rod is fixedly provided with a clamping block, the right part of the press rod is sleeved with a spring, the bottom surface of the contraction shell is provided with two grooves in a bilateral symmetry structure, the grooves are rotationally connected with a pressing plate, the upper side of the contraction shell is provided with a limit sleeve, the inside four corners department of stop collar all rotates and is connected with the gear, the gear outside has set firmly the bracing piece, the bracing piece outer end rotates and is connected with the couple, is located the downside the bracing piece is articulated with the spiral shell piece, the wall articulates there is the protecting crust behind the shrink shell, the protecting crust bottom is bilateral symmetry structure and sets up two indent, the poster has been seted up to the protecting crust left wall and has been accomodate the groove.

Preferably, the clamping block is matched with the clamping groove in a clamping mode.

Preferably, the pressure plate is in snap fit with the pressure groove.

Preferably, the screw block is in sliding fit with the limiting groove, and the screw block is in threaded fit with the bidirectional screw rod.

Preferably, a plurality of gears are in meshing transmission.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the supporting rod can be folded and extended for use, so that the space occupation ratio of the support frame is reduced, the advertisement supporting frame is convenient to carry, the problems of large size and inconvenience in carrying of the conventional advertising board are solved, and the using effect of the device is greatly improved.

2. According to the poster storage device, the protective shell is additionally arranged, the foldable storage supporting rods are protected through the protective shell, so that the storage safety of the supporting rods is enhanced, the service life of the device is prolonged, the poster storage groove is formed in the side wall of the protective shell, different poster revegetation propaganda posters can be conveniently and independently stored through the poster storage groove, the situation that the poster placement is disordered is avoided, and the use practicability of the device is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention on the expanded left side;

FIG. 2 is an expanded internal view of the overall structure of the present invention;

FIG. 3 is a close-up left side schematic view of the overall structure of the present invention;

FIG. 4 is a close-up bottom view of the overall structure of the present invention;

FIG. 5 is an enlarged view of the structure at A of the present invention;

FIG. 6 is an enlarged view of the structure at B of the present invention;

the reference numbers in the figures illustrate: 1. a shrink shell; 2. a screw block; 3. a limiting sleeve; 4. a protective shell; 101. a limiting groove; 102. a bidirectional screw rod; 103. rotating the disc; 104. a card slot; 105. sealing the cover; 106. a pressing rod; 107. a top rod; 108. a clamping block; 109. a spring; 110. pressing a plate; 301. a gear; 302. a support bar; 303. hooking; 401. pressing a groove; 402. a poster receiving slot.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution:

a portable billboard for colleges and universities comprises a contraction shell 1, two hasps are arranged on the outer wall of the contraction shell 1 in a bilateral symmetry structure, a protective shell 4 is convenient to clamp and fix and is convenient to carry, a limiting groove 101 is formed in the top surface of the contraction shell 1, a bidirectional screw rod 102 is rotationally connected in the limiting groove 101, two screw blocks 2 are sleeved outside the bidirectional screw rod 102 in the bilateral symmetry structure, a rotating disc 103 is fixedly arranged at the left end of the bidirectional screw rod 102, a plurality of clamping grooves 104 are formed in the edge of the right wall of the rotating disc 103, a movable groove is formed in the left wall of the contraction shell 1, a sealing cover 105 is screwed on the left wall of the movable groove, a pressing rod 106 is inserted in the middle of the sealing cover 105, a rubber sleeve is sleeved at the left end of the pressing rod 106 to improve the pressing comfort of the pressing rod 106, a mandril 107 is fixedly arranged in the middle of the pressing rod 106, a clamping block 108 is fixedly arranged at the left end of the mandril 107, a spring 109 is sleeved at the right part of the pressing rod 106 to facilitate the push of the mandril 107 to drive the clamping block 108 to clamp and the clamping grooves 104 to clamp, two recesses have been seted up to 1 bottom surface of shrink shell is bilateral symmetry structure, the recess internal rotation is connected with

clamp plate

110, 1 upside of shrink shell is equipped with

stop collar

3, 3 inside four corners departments of stop collar all rotate and are connected with gear 301, the gear 301 outside has set firmly bracing piece 302, bracing piece 302 outer end rotates and is connected with couple 303, it is articulated with spiral shell piece 2 to be located

downside bracing piece

302, 1 back wall of shrink shell articulates there is protecting

crust

4, 4 bottom surfaces of protecting crust are bilateral symmetry structure and set up two indent 401, protecting crust 4 left side wall has been seted up the poster and has been accomodate groove 402.

Specifically, the clamping block 108 is clamped and matched with the clamping groove 104, so that the bidirectional screw rod 102 can be fixed conveniently.

Further, the pressing plate 110 is matched with the pressing groove 401 in a clamping mode, and the shrinkage shell 1 is conveniently pressed.

Still further, the screw block 2 is in sliding fit with the limiting groove 101, so that the moving track of the screw block 2 is convenient to limit, the screw block is not easy to shake, and the screw block 2 is in threaded fit with the bidirectional screw rod 102, so that the supporting rod 302 is convenient to drive to unfold.

In addition, all mesh transmission between a plurality of gears 301, a plurality of bracing pieces 302 of being convenient for are X type and expand, make things convenient for the poster to hang and establish.

The working principle is as follows: when the device is assembled for colleges and universities to promote, the poster in the poster storage groove 402 is taken out, then the hasp is opened, the protective shell 4 is opened, then the pressing rod 106 is manually pressed, the pressing rod 106 extrudes the spring 109 to shrink, the clamping block 108 is pulled to be separated from the clamping groove 104, then the rotating disc 103 is manually rotated clockwise, the rotating disc 103 drives the two-way screw rod 102 to rotate, meanwhile, two screw blocks 2 sleeved outside the two-way screw rod 102 move relatively and close to each other in the limiting groove 101, the screw blocks 2 are hinged with the supporting rods 302 positioned at the lower side, further, the outer ends of the two supporting rods 302 positioned at the lower side are driven to move relatively, meanwhile, gears 301 fixed at the inner ends of the supporting rods 302 are mutually meshed, further, as the two supporting rods 302 positioned at the lower side are spread, the two supporting rods 302 positioned at the upper side are also spread along with the supporting rods, the supporting rods 302 are spread in an X shape, after the supporting rods 302 reach a proper supporting angle, and (3) loosening the press rod 106 to enable the clamping block 108 to be clamped and fixed with the clamping groove 104, fixing the bidirectional screw rod 102, hanging the poster on the hook 303, finally opening the press plate 110 to be clamped with the press groove 401, and then applying a heavy object to the top surface of the protective shell 4 for fixing.

Claims

1. The utility model provides a colleges and universities are recruited and are used portable bill-board, includes shrink shell (1), its characterized in that: the outer wall of the contraction shell (1) is of a bilateral symmetry structure and is provided with two hasps, the top surface of the contraction shell (1) is provided with a limiting groove (101), the limiting groove (101) is connected with a bidirectional screw rod (102) in a rotating manner, the outside of the bidirectional screw rod (102) is provided with two screw blocks (2) in a bilateral symmetry structure, the left end of the bidirectional screw rod (102) is fixedly provided with a rotating disc (103), the edge of the right wall of the rotating disc (103) is provided with a plurality of clamping grooves (104), the left wall of the contraction shell (1) is provided with a movable groove, the left wall of the movable groove is screwed with a sealing cover (105), the middle part of the sealing cover (105) is inserted with a press rod (106), the left end of the press rod (106) is sleeved with a rubber sleeve, the middle part of the press rod (106) is fixedly provided with an ejector pin (107), the left end of the ejector pin (107) is fixedly provided with a clamping block (108), the right part of the press rod (106) is sleeved with a spring (109), two recesses have been seted up to shrink shell (1) bottom surface is bilateral symmetry structure, the recess internal rotation is connected with clamp plate (110), shrink shell (1) upside is equipped with stop collar (3), stop collar (3) inside four corners department all rotates and is connected with gear (301), the bracing piece (302) has set firmly in gear (301) outside, bracing piece (302) outer end rotates and is connected with couple (303), is located the downside bracing piece (302) are articulated with spiral shell piece (2), shrink shell (1) back wall articulates there is protecting crust (4), protecting crust (4) bottom surface is bilateral symmetry structure and sets up two indent (401), protecting crust (4) left wall has been seted up the poster and has been accomodate groove (402).

2. A portable signboard for college and university hospitality according to claim 1, wherein: the clamping block (108) is in clamping fit with the clamping groove (104).

3. A portable signboard for college and university hospitality according to claim 1, wherein: the pressing plate (110) is in clamping fit with the pressing groove (401).

4. A portable signboard for college and university hospitality according to claim 1, wherein: the screw block (2) is in sliding fit with the limiting groove (101), and the screw block (2) is in threaded fit with the bidirectional screw rod (102).

5. A portable signboard for college and university hospitality according to claim 1, wherein: the gears (301) are in meshing transmission.