CN213786544U

CN213786544U - A portable demonstration frame for economy and trade

Info

Publication number: CN213786544U
Application number: CN202022565227.4U
Authority: CN
Inventors: 刘若彤
Original assignee: Anhui University of Technology AHUT
Current assignee: Anhui University of Technology AHUT
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-27
Anticipated expiration: 2030-11-09

Abstract

The utility model belongs to the technical field of economy and trade technique and specifically relates to a portable demonstration frame for economy and trade, comprising a base plate, the upper surface middle part fixed mounting of bottom plate has the support column, the edge equidistant of fan-shaped dish is equipped with a plurality of fixed orificess, the outside upper portion of support column is rotated and is installed the dwang, one side lower part of dwang is equipped with the sliding tray, the internally mounted of sliding tray has the action bars fixed with the dead lever, the spring of contradicting with the action bars has been cup jointed on the outside upper portion of dead lever, the inside slidable mounting in both sides of U type pole has the second telescopic link, the one end of second telescopic link is equipped with the sliding hole, the one end fixed mounting of third telescopic link has U type horizontal pole. Compared with the prior art, the utility model, can demonstrate fixedly to the product of equidimension not, can make the show of product multi-angle, also can fold and accomodate, occupation space is little, easy operation uses in a flexible way, and the practicality is strong, has better market spreading value.

Description

A portable demonstration frame for economy and trade

Technical Field

The utility model relates to an economy and trade technical field especially relate to a portable demonstration frame for economy and trade.

Background

In the process of international economy and trade specialty teaching, a teacher can show some exhibits to students, and the students can conveniently know knowledge, so that some demonstration shelves can be used.

Chinese patent CN 210606224U discloses a mobile demonstration frame suitable for international economy and trade teaching, including the bottom plate, characterized by: the upper side of the bottom plate is fixedly connected with symmetrical cylinders, the symmetrical cylinders are inserted into the cylinders respectively, the upper ends of the symmetrical cylinders are fixedly connected with the lower sides of the L-shaped groove blocks respectively, and the end part grooves of the transverse blocks of the L-shaped groove blocks are hinged with one end of the sleeve. The utility model discloses a though can be convenient for the dismouting, it is inconvenient to carry, and occupation space is big, can not show the showpiece multi-angle simultaneously, also can not show the product of fixed size difference, has a great deal of shortcoming, to this kind of problem, we propose a portable demonstration frame that is used for economy and trade.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a portable demonstration frame for economy and trade.

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

design a portable demonstration frame for economy and trade, comprising a bottom plate, wherein a support column is fixedly arranged in the middle of the upper surface of the bottom plate, a fan-shaped disc is fixedly arranged at the upper end of the support column, a plurality of fixing holes are formed in the edge of the fan-shaped disc at equal intervals, a rotating rod is rotatably arranged on the upper part of the outer side of the support column, the rotating center of the rotating rod is the same as the center of the fan-shaped disc, the fan-shaped disc is positioned on the inner side of the lower end of the rotating rod, a mounting hole is formed in the middle of the lower end of the rotating rod, a fixing rod is arranged in the mounting hole, a sliding groove is formed in the lower part of one side of the rotating rod, an operating rod fixed with the fixing rod is arranged in the sliding groove, a spring which is abutted against the operating rod is sleeved on the upper part of the outer side of the fixing rod, a lifting rod is inserted into the upper end of the rotating rod, and a height adjusting bolt is arranged on one side of the upper end of the rotating rod, u type pole is installed to the upper end of lifter, horizontal adjusting bolt is installed to the upper portion symmetry of U type pole, the inside slidable mounting in both sides of U type pole has the second telescopic link, the inside fixed pin that still installs in both sides of U type pole, the one end of second telescopic link is equipped with the slip hole, the fixed pin is located the inside in slip hole, the other end of second telescopic link is pegged graft and is had the third telescopic link through the bolt fastening, the one end fixed mounting of third telescopic link has U type horizontal pole.

Preferably, the four corners of the lower surface of the bottom plate are provided with movable wheels, and any one of the movable wheels is a lockable movable wheel.

Preferably, inside equal slidable mounting in both sides of U type horizontal pole has first telescopic link, the clip is all installed to the one end of first telescopic link, fixing bolt is all installed to the both sides of U type horizontal pole.

Preferably, the fixing rod is matched with the fixing hole, and the lower end of the fixing rod is of a conical structure.

Preferably, one end of the second telescopic rod, which is positioned inside the U-shaped rod, is of an arc-shaped structure.

The utility model provides a portable demonstration frame for economy and trade, beneficial effect lies in: the utility model discloses third telescopic link can take place relative movement for the second telescopic link, and the first telescopic link that is equipped with can take place to remove relative U type horizontal pole, can demonstrate the product of equidimension not through four clips, and the dwang that is equipped with can rotate with the sector disc relatively through the action bars, makes the product of show present the multi-angle show, and the second telescopic link that is equipped with can take place to rotate relative U type pole, takes in the folding of second telescopic link, reduces occupation space, compared with the prior art, can demonstrate fixedly to the product of equidimension not, can make the product multi-angle show, also can fold and take in, occupation space is little, easy operation, and it is nimble to use, and the practicality is strong, has better market spreading value.

Drawings

Fig. 1 is a first perspective view of a portable demonstration rack for economy and trade according to the present invention;

fig. 2 is a second perspective view schematically illustrating a portable demonstration rack for economy and trade according to the present invention;

fig. 3 is a schematic view of a portable demonstration rack for economy and trade according to the present invention, partially enlarged in structure in fig. 2;

fig. 4 is a third perspective view schematically illustrating a portable demonstration rack for economy and trade according to the present invention;

fig. 5 is a schematic view of a second telescopic rod structure of the portable demonstration rack for economy and trade according to the present invention.

In the figure: the device comprises a moving wheel 1, a support column 2, a bottom plate 3, a sector disc 4, a sliding groove 5, a rotating rod 6, a height adjusting bolt 7, a U-shaped cross rod 8, a clamp 9, a first telescopic rod 10, a second telescopic rod 11, a fixing pin 12, a horizontal adjusting bolt 13, a lifting rod 14, a third telescopic rod 15, a fixing bolt 16, a fixing hole 17, an operating rod 18, a fixing rod 19, an installation hole 20, a spring 21, a U-shaped rod 22 and a sliding hole 23.

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.

Referring to fig. 1-5, a portable demonstration shelf for economy and trade, includes bottom plate 3, and bottom plate 3's lower surface four corners department all installs and removes wheel 1, and arbitrary one removes wheel 1 and is the removal wheel that can lock, conveniently removes and fixes, improves the practicality of using.

Bottom plate 3's last surface middle part fixed mounting has support column 2, the upper end fixed mounting of support column 2 has sector disc 4, sector disc 4's edge equidistant is equipped with a plurality of fixed orificess 17, the dwang 6 is installed in the rotation of support column 2's outside upper portion, the rotation center of dwang 6 is the same with sector disc 4's center, sector disc 4 is located the lower extreme inboard of

dwang

6, 6 lower extreme middle parts of dwang are equipped with mounting hole 20, the internally mounted of mounting hole 20 has dead lever 19, dead lever 19 and fixed orifices 17 phase-match, the lower extreme of dead lever 19 is the toper structure, dead lever 19 can cooperate with fixed orifices 17 fast, and do not have the unstable phenomenon of contact.

One side lower part of dwang 6 is equipped with sliding tray 5, the internally mounted of sliding tray 5 has the action bars 18 fixed with dead lever 19, the spring 21 of contradicting with action bars 18 has been cup jointed on the outside upper portion of dead lever 19, it has lifter 14 to peg graft in the upper end of dwang 6, height adjusting bolt 7 is installed to upper end one side of dwang 6, U type pole 22 is installed to the upper end of lifter 14, horizontal adjusting bolt 13 is installed to the upper portion symmetry of U type pole 22, the inside slidable mounting in both sides of U type pole 22 has second telescopic link 11, the one end that second telescopic link 11 is located U type pole 22 inside is the arc structure, be convenient for second telescopic link 11's rotation, accomodate and to add convenient and fast.

Fixed pin 12 is still installed to U type pole 22's both sides inside, the one end of second telescopic link 11 is equipped with slip hole 23, fixed pin 12 is located the inside of slip hole 23, the other end of second telescopic link 11 is pegged graft and is had third telescopic link 15 through the bolt fastening, the one end fixed mounting of third telescopic link 15 has U type horizontal pole 8, inside equal slidable mounting in both sides of U type horizontal pole 8 has first telescopic link 10, clip 9 is all installed to the one end of first telescopic link 10, fixing bolt 16 is all installed to U type horizontal pole 8's both sides, can fix the not show product of equidimension, high convenience and fast, high efficiency.

The working principle is as follows: when the multifunctional folding display device is used, the position of the clamp 9 can be adjusted according to the size of a product to be displayed, the third telescopic rod 15 can move relative to the second telescopic rod 11, the first telescopic rod 10 can move relative to the U-shaped cross rod 8 and is fixed through the fixing bolt 16, the second telescopic rod 11 is in a horizontal state, when the two second telescopic rods 11 are abutted, the two second telescopic rods 11 are fixed through the horizontal adjusting bolt 13, products with different sizes can be displayed through the four clamps 9, the rotating rod 6 can rotate relative to the sector disc 4 through the operating rod 18, the displayed product can be displayed in multiple angles, the operating rod 18 is loosened, the spring 21 drives the fixing rod 19 to be matched with the fixing hole 17 through the operating rod 18 to realize adjustment and fixation, the second telescopic rod 11 is pulled out of the maximum position of the U-shaped rod 22, the second telescopic rod 11 can rotate relative to the U-shaped rod 22, the second telescopic rod 11 can be folded and stored, the height adjustment can be achieved by means of the height adjustment screw 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a portable demonstration frame for economy and trade, includes bottom plate (3), its characterized in that, the last surface middle part fixed mounting of bottom plate (3) has support column (2), the upper end fixed mounting of support column (2) has quadrant (4), quadrant (4) edge equidistant is equipped with a plurality of fixed orificess (17), the outside upper portion of support column (2) is rotated and is installed dwang (6), the rotation center of dwang (6) is the same with quadrant (4)'s center, quadrant (4) are located the lower extreme inboard of dwang (6), dwang (6) lower extreme middle part is equipped with mounting hole (20), the internally mounted of mounting hole (20) has dead lever (19), one side lower part of dwang (6) is equipped with sliding tray (5), the internally mounted of sliding tray (5) has action bars (18) fixed with dead lever (19), the upper part of the outer side of the fixed rod (19) is sleeved with a spring (21) which is propped against the operating rod (18), a lifting rod (14) is inserted at the upper end of the rotating rod (6), a height adjusting bolt (7) is installed at one side of the upper end of the rotating rod (6), the upper end of the lifting rod (14) is provided with a U-shaped rod (22), the upper part of the U-shaped rod (22) is symmetrically provided with horizontal adjusting bolts (13), a second telescopic rod (11) is arranged inside two sides of the U-shaped rod (22) in a sliding way, fixing pins (12) are further mounted inside two sides of the U-shaped rod (22), a sliding hole (23) is formed in one end of the second telescopic rod (11), the fixing pin (12) is positioned in the sliding hole (23), the other end of the second telescopic rod (11) is inserted with a third telescopic rod (15) fixed by a bolt, and one end of the third telescopic rod (15) is fixedly provided with a U-shaped cross rod (8).

2. The portable exhibit rack for economy and trade according to claim 1, characterized in that the bottom plate (3) has moving wheels (1) mounted at the four corners of the lower surface, any one of the moving wheels (1) being a lockable moving wheel.

3. The portable demonstration stand for economy and trade according to claim 1, wherein a first telescopic rod (10) is slidably installed inside each of both sides of the U-shaped cross bar (8), a clip (9) is installed at one end of each of the first telescopic rods (10), and a fixing bolt (16) is installed at each of both sides of the U-shaped cross bar (8).

4. The economic and trade portable demonstration stand according to claim 1 wherein the fixing rod (19) is matched with the fixing hole (17), the lower end of the fixing rod (19) is of a tapered structure.

5. The portable exhibit rack for economy and trade as claimed in claim 1, characterized in that the end of the second telescopic rod (11) inside the U-shaped rod (22) is an arc structure.