Rectangular showing stand

Abstract

The utility model discloses a rectangular showing stand, which belongs to the technical field of showing structures and comprises a support leg, a telescopic outer tube is rotatably mounted on the side wall of the support leg through a rotating shaft, a first telescopic inner tube is slidably mounted on the inner wall of the telescopic outer tube, a second telescopic inner tube is slidably mounted on the inner wall of the first telescopic inner tube, and the second telescopic inner tube is slidably mounted on the inner wall of the second telescopic inner tube. An extension assembly is arranged on the inner wall of the second telescopic inner pipe; according to the telescopic pipe, by arranging the extension assembly, when the second telescopic inner pipe is drawn out of the first telescopic inner pipe, the extension plate is not blocked by the first telescopic inner pipe, at the moment, the extension plate can be popped out of a groove in the outer surface of the second telescopic inner pipe through the telescopic spring, and then the diameter of the second telescopic inner pipe is made to be the same as that of the telescopic outer pipe; when the display cloth is displayed, the phenomenon of swinging is not prone to occurring, the stability of the device is improved, and the phenomenon that the cloth surface of the display cloth is bent is also prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display structure technical field, especially a rectangular display stand. BACKGROUND

[0002] Now the display stand for supporting display cloth mainly has two kinds, one is X-shaped display stand, X-shaped display stand occupies the area and can only show smaller propaganda display cloth, the other is rectangular display stand, when showing larger propaganda display cloth can only use rectangular display stand, and rectangular display stand.

[0003] Now the rectangular display stand in the use process, the positioning elastic sheet will be offset after being impacted, the bolt will be bent after being impacted, and then the three support rods are damaged, which reduces the service life of the horizontal rod, and because the diameters of the three support rods are different, annular steps appear at the connection of two adjacent support rods, the display cloth appears steps at the connection of two adjacent support rods, which causes the cloth surface of the display cloth to bend, and because the diameters of the three telescopic rods are different, the diameter of one of the telescopic rods is too small, which easily causes the rectangular display stand to swing when displaying the display cloth, and a rectangular display stand is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a rectangular display stand.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a rectangular display stand, including the supporting leg, the side wall of supporting leg is rotationally installed with telescopic outer tube through the pivot, the inner wall of telescopic outer tube is slidably installed with first telescopic inner tube, the inner wall of first telescopic inner tube is slidably installed with second telescopic inner tube, the inner wall of second telescopic inner tube is provided with extension assembly, the inner wall of telescopic outer tube is provided with dust cleaning assembly, the outer wall of telescopic outer tube is provided with fixed assembly.

[0006] The extension assembly includes first partition and second partition, and the two side walls of the first partition and the second partition are fixedly installed with telescopic springs.

[0007] As a further description of the above technical scheme:

[0008] One end of the telescopic spring is fixedly installed with an extension plate, and the outer wall of the second telescopic inner tube is provided with a groove.

[0009] As a further description of the above technical scheme:

[0010] The dust cleaning assembly includes an air bag, and the lower surface of the air bag is fixedly installed with a baffle, and the side wall of the baffle is fixedly connected with the inner wall of the telescopic outer tube.

[0011] As a further description of the above technical solution:

[0012] The side wall of the air bag is fixedly provided with a blowing head, and one end of the blowing head extends to the outside of the side wall of the telescopic outer tube.

[0013] As a further description of the above technical solution:

[0014] The fixing assembly comprises a first fixing rod and a second fixing rod, one end of the first fixing rod is fixedly provided with a telescopic pipe, one end of the second fixing rod is provided with a slot, and the inner wall of the telescopic pipe is fixedly provided with a U-shaped elastic sheet.

[0015] As a further description of the above technical solution:

[0016] The lower surface of the U-shaped elastic sheet is fixedly provided with a protrusion, one end of the protrusion extends to the outside of the side wall of the second fixing rod, the inner walls of the first telescopic inner tube and the second telescopic inner tube are both fixedly provided with spring rods, and the side walls of the telescopic outer tube and the first telescopic inner tube are both provided with slot holes.

[0017] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0018] 1、In the present application, when the second telescopic inner tube is pulled out of the first telescopic inner tube, the extension plate is no longer blocked by the first telescopic inner tube, and at this time, the telescopic spring will pop the extension plate out of the groove on the outer surface of the second telescopic inner tube, so that the diameter of the second telescopic inner tube is the same as that of the telescopic outer tube, and the phenomenon of swinging during the display of the display cloth is avoided, the stability of the device is improved, and the phenomenon of bending of the display cloth is also prevented.

[0019] 2、In the present application, by setting the fixing assembly and the dust cleaning assembly, the telescopic pipe at one end of the first fixing rod is inserted into the slot at one end of the second fixing rod, and then the protrusion will pass through the insertion hole on the surface of the second fixing rod under the action of the U-shaped elastic sheet, thereby connecting the first fixing rod and the second fixing rod, when the first telescopic inner tube is retracted into the telescopic outer tube, the air bag in the telescopic outer tube is cleaned, so that the gas in the air bag blows the bottom end of the telescopic outer tube on the other side through the blowing head, thereby cleaning the dust on the telescopic outer tube and the supporting leg, simplifying the assembly process of the device, improving the service life of the device, and automatically cleaning when the rod is retracted, thereby reducing the labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of a rectangular display stand.

[0021] Figure 2 It is a three-dimensional structure schematic view of a rectangular display stand.

[0022] Figure 3 It is a disassembled structure schematic view of a second telescopic inner tube in a rectangular display stand.

[0023] Figure 4 It is an enlarged structure schematic view of A in a rectangular display stand.

[0024] Figure 5 It is an internal structure schematic view of a fixing assembly in a rectangular display stand.

[0025] Figure 6 It is an enlarged structure schematic view of B in a rectangular display stand.

[0026] Legend:

[0027] 1, foot; 2, telescopic outer tube; 3, first telescopic inner tube; 4, second telescopic inner tube; 5, fixing assembly; 51, first fixing rod; 52, second fixing rod; 53, telescopic tube; 54, U-shaped elastic sheet; 55, protruding block; 6, dust cleaning assembly; 61, air bag; 62, air blowing head; 7, spring rod; 8, extension assembly; 81, first partition plate; 82, second partition plate; 83, extension plate; 84, telescopic spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] Please refer to Figures 1-6 The present application provides a technical solution: a rectangular display stand, comprising a foot 1, a side wall of the foot 1 is rotatably installed with a telescopic outer tube 2 through a rotating shaft, an inner wall of the telescopic outer tube 2 is slidably installed with a first telescopic inner tube 3, an inner wall of the first telescopic inner tube 3 is slidably installed with a second telescopic inner tube 4, an inner wall of the second telescopic inner tube 4 is provided with an extension assembly 8, an inner wall of the telescopic outer tube 2 is provided with a dust cleaning assembly 6, and an outer wall of the telescopic outer tube 2 is provided with a fixing assembly 5.

[0030] The extension assembly 8 comprises a first partition plate 81 and a second partition plate 82, both side walls of the first partition plate 81 and the second partition plate 82 are fixedly installed with telescopic springs 84, one end of the telescopic spring 84 is fixedly installed with an extension plate 83, and an outer wall of the second telescopic inner tube 4 is provided with a groove.

[0031] The specific implementation is that when the second telescopic inner tube 4 is pulled out of the first telescopic inner tube 3, the extension plate 83 is popped out of the groove on the outer surface of the second telescopic inner tube 4 by the telescopic spring 84 due to the loss of the block of the first telescopic inner tube 3, and then the diameter of the second telescopic inner tube 4 is the same as the diameter of the telescopic outer tube 2.

[0032] The ash cleaning assembly 6 comprises an air bag 61, the lower surface of the air bag 61 is fixedly installed with a baffle, the side wall of the baffle is fixedly connected with the inner wall of the telescopic outer tube 2, the side wall of the air bag 61 is fixedly installed with a blowing head 62, one end of the blowing head 62 extends to the outside of the side wall of the telescopic outer tube 2.

[0033] The specific implementation is that when the first telescopic inner tube 3 is retracted into the telescopic outer tube 2, the air bag 61 in the telescopic outer tube 2 is blown, so that the gas in the air bag 61 blows the bottom end of the telescopic outer tube 2 on the other side through the blowing head 62, and then the dust on the telescopic outer tube 2 and the support leg 1 is cleaned.

[0034] The fixing assembly 5 comprises a first fixing rod 51 and a second fixing rod 52, one end of the first fixing rod 51 is fixedly installed with a telescopic tube 53, one end of the second fixing rod 52 is provided with a slot, the inner wall of the telescopic tube 53 is fixedly installed with a U-shaped elastic sheet 54, the lower surface of the U-shaped elastic sheet 54 is fixedly installed with a protruding block 55, one end of the protruding block 55 extends to the outside of the side wall of the second fixing rod 52, the inner walls of the first telescopic inner tube 3 and the second telescopic inner tube 4 are both fixedly installed with spring rods 7, and the side walls of the telescopic outer tube 2 and the first telescopic inner tube 3 are both provided with slot holes.

[0035] The specific implementation is that when the first telescopic inner tube 3 is pulled out of the telescopic outer tube 2, one end of the spring rod 7 in the first telescopic inner tube 3 will pass through the slot hole on the outer surface of the telescopic outer tube 2 to fix the first telescopic inner tube 3, and then the same principle is used to fix the second telescopic inner tube 4, the telescopic tube 53 at one end of the first fixing rod 51 is inserted into the slot at one end of the second fixing rod 52, and then the protruding block 55 will pass through the insertion hole on the surface of the second fixing rod 52 under the action of the U-shaped elastic sheet 54, so as to connect the first fixing rod 51 and the second fixing rod 52, and when the use of the display stand is finished, one end of the spring rod 7 is pressed into the telescopic outer tube 2 and the first telescopic inner tube, so as to shrink them.

[0036] Working principle: when using the display stand, the first telescopic inner tube 3 is pulled out from the telescopic outer tube 2, at this time one end of the spring rod 7 in the first telescopic inner tube 3 will pass through the slot hole on the outer surface of the telescopic outer tube 2 to fix the first telescopic inner tube 3, then the same principle makes the second telescopic inner tube 4 fixed, when the second telescopic inner tube 4 is pulled out of the first telescopic inner tube 3, the extension plate 83 loses the block of the first telescopic inner tube 3, at this time the telescopic spring 84 will make the extension plate 83 pop out from the groove on the outer surface of the second telescopic inner tube 4, and then the size of the second telescopic inner tube 4 is the same as that of the telescopic outer tube 2, then the first fixed rod 51 and the second fixed rod 52 are connected with the telescopic outer tube 2 and the second telescopic inner tube 4 respectively by using the bolt, then the telescopic tube 53 at one end of the first fixed rod 51 is inserted into the insertion slot at one end of the second fixed rod 52, then the protruding block 55 will pass through the insertion hole on the surface of the second fixed rod 52 under the action of the U-shaped spring piece 54, and then the first fixed rod 51 and the second fixed rod 52 are connected, when the use of the display stand is finished, one end of the spring rod 7 is pressed into the telescopic outer tube 2 and the first telescopic inner tube, and then it is shrunk, when the first telescopic inner tube 3 is put into the telescopic outer tube 2, the air bag 61 in the telescopic outer tube 2 is pressed, so that the gas in the air bag 61 blows the bottom end of the telescopic outer tube 2 on the other side through the blowing head 62, and then the dust on the telescopic outer tube 2 and the supporting leg 1 is cleaned.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rectangular display stand, comprising a support leg (1), wherein a telescopic outer tube (2) is rotatably mounted on the side wall of the support leg (1) via a pivot, a first telescopic inner tube (3) is slidably mounted on the inner wall of the telescopic outer tube (2), and a second telescopic inner tube (4) is slidably mounted on the inner wall of the first telescopic inner tube (3), characterized in that: The inner wall of the second telescopic inner tube (4) is provided with an extension assembly (8), the inner wall of the telescopic outer tube (2) is provided with an ash removal assembly (6), and the outer wall of the telescopic outer tube (2) is provided with a fixing assembly (5) The extension assembly (8) comprises a first partition (81) and a second partition (82), and the two side walls of the first partition (81) and the second partition (82) are fixedly installed with telescopic springs (84).

2. A rectangular display stand according to claim 1, characterised in that One end of the telescopic spring (84) is fixedly installed with an extension plate (83), and the outer wall of the second telescopic inner tube (4) is provided with a groove.

3. A rectangular display stand according to claim 2, characterised in that The ash removal assembly (6) comprises an air bag (61), and the lower surface of the air bag (61) is fixedly installed with a baffle, and the side wall of the baffle is fixedly connected with the inner wall of the telescopic outer tube (2).

4. A rectangular display stand according to claim 3, characterised in that The side wall of the air bag (61) is fixedly installed with a blowing head (62), and one end of the blowing head (62) extends to the outside of the side wall of the telescopic outer tube (2).

5. A rectangular display stand according to claim 4, characterised in that The fixing assembly (5) comprises a first fixed rod (51) and a second fixed rod (52), one end of the first fixed rod (51) is fixedly installed with a telescopic pipe (53), one end of the second fixed rod (52) is provided with a slot, and the inner wall of the telescopic pipe (53) is fixedly installed with a U-shaped elastic sheet (54).

6. A rectangular display stand according to claim 5, characterised in that The lower surface of the U-shaped elastic sheet (54) is fixedly installed with a protrusion (55), one end of the protrusion (55) extends to the outside of the side wall of the second fixed rod (52), the inner walls of the first telescopic inner tube (3) and the second telescopic inner tube (4) are fixedly installed with spring rods (7), and the side walls of the telescopic outer tube (2) and the first telescopic inner tube (3) are provided with slot holes.

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