Bulletin board convenient to adjust

The technology of a publicity column and a column is applied in the field of publicity columns, which can solve the problems of inconvenient operation, fixed height of the display board, inconvenience, etc., and achieve the effect of being easy to move quickly, easy to display and use, and easy to use.
CN111179784AInactive Publication Date: 2020-05-19重庆瑾语文化传媒有限公司
0 Cites 4 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
重庆瑾语文化传媒有限公司
Publication Date
2020-05-19
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to the technical field of bulletin boards and discloses a bulletin board convenient to adjust. The bulletin board comprises two stand columns, grooves are formed in the oppositesides of the two stand columns. The inner walls of the upper and lower opposite sides of the grooves are rotationally connected with the same rotating screw rod through ball bearings; the same displayboard is arranged between the two stand columns. The left side and the right side, opposite to each other, of the display board are fixedly connected with two lifting screw cylinders which are in threaded sleeving connection with the exterior of the rotating screw rod in an up-down symmetrical mode, the same steel pipe is fixedly connected between the inner walls of the opposite sides, close to the lower ends, of the two stand columns, the rod wall of the rotating screw rod is in threaded connection with a first driven bevel gear located at the joint of the stand columns and the steel pipe, the inner wall of the steel pipe is fixedly connected with a plurality of bearing pedestals, and two rotating rods are symmetrically and rotationally sleeved with the bearing pedestals through ball bearings. Propaganda paper can be conveniently pasted, and the display board can be conveniently and quickly moved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of bulletin boards, in particular to an easily adjustable billboard. Background technique

[0002] The publicity column currently used is composed of a display board and left and right columns. There is a promotional paper on the display board. The display board is fixed between the left and right columns. The left and right columns are fixed on the ground. The left and right columns are made of stainless steel tubes. .

[0003] This kind of publicity column is fixed on the ground because the column is fixed on the ground, and the position of the display board is fixed. When the school holds a celebration or organizes publicity activities to meet the guidance and inspection of the leaders, it is very inconvenient to temporarily place a large number of display boards on both sides of the road, and the height of the display boards is fixed. , The staff need to use tools such as chairs to fix the promotional p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More