CN220580206U

CN220580206U - Push-pull canopy telescoping device

Info

Publication number: CN220580206U
Application number: CN202322120845.1U
Authority: CN
Inventors: 刘振; 刘焕军
Original assignee: Ningbo Jiunai Sunshade Products Co ltd
Current assignee: Ningbo Jiunai Sunshade Products Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-12
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a push-pull shed expansion device which comprises an expansion bracket, a left support column hinged at the upper end of the left side of the expansion bracket, a right support column hinged at the upper end of the right side of the expansion bracket, a movable ring, wherein the movable ring is respectively sleeved on the outer surfaces of the left support column and the right support column, the movable ring is hinged at the lower end of the expansion bracket, a movable sleeve is slidably connected on the outer surface of the lower end of the right support column, the movable sleeve drives a second fixing pin to form an expansion structure at the lower end of the right support column, and a limiting mechanism is arranged at the upper end of the movable sleeve. This push-and-pull canopy telescoping device is convenient for push-and-pull stretching to the push-and-pull canopy, combines the setting of first fixed pin, movable sleeve and second fixed pin, is convenient for fix the push-and-pull canopy subaerial, prevents to receive external force interference to take place the swing in the use, promotes the stability of push-and-pull canopy in the use.

Description

Push-pull canopy telescoping device

Technical Field

The utility model relates to the technical field of push-pull sheds, in particular to a push-pull shed expansion device.

Background

The push-pull shed is a portable movable shed, has the advantages of low cost, stable structure, convenient disassembly and assembly, sun and rain shielding and the like, is very widely used, can be used as sun and rain shielding, and is generally formed by combining a framework, a telescopic structure for the connected framework and outer tarpaulin;

referring to Chinese patent grant bulletin No. CN216429213U, grant bulletin day 2022.05.03, a push-pull shed framework is disclosed, the first upright post and the second upright post are connected through the second cross beam, and then the second upright post is convenient to unfold and fold through the cooperation of a sleeve, a cross rod and the like;

however, in the prior art, when the telescopic expansion is used, the framework of the push-pull shed is inconvenient to be positioned at the corresponding position on the ground, so that the framework is easy to swing when being pushed and pulled by external force, and the stability of the use of the push-pull shed is affected, and the problem exists in the comparison patent listed above;

therefore, a push-pull shed telescopic device is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a push-pull shed telescopic device, which solves the problems that in the prior art, when the push-pull shed is stretched and used, the skeleton of the push-pull shed is inconvenient to position at the corresponding position on the ground, so that the skeleton is easy to swing when being pushed and pulled by external force, and the use stability of the push-pull shed is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a push-pull shed expansion device comprises an expansion bracket, a left support column hinged at the upper end of the left side of the expansion bracket and a right support column hinged at the upper end of the right side of the expansion bracket;

further comprises:

the movable rings are sleeved on the outer surfaces of the left support column and the right support column respectively, and the movable rings are hinged to the lower ends of the telescopic supports;

the movable sleeve is connected to the outer surface of the lower end of the right support column in a sliding manner, the movable sleeve drives the second fixing pin to form a telescopic structure at the lower end of the right support column, and the lower end of the second fixing pin is spliced on the ground;

the limiting mechanism is arranged at the upper end of the movable sleeve and is used for limiting the space between the movable sleeve and the right support column.

Preferably, the movable ring is in sliding connection with the left support column and the movable ring is in sliding connection with the right support column, and the movable ring is limited with the left support column and the movable ring is limited with the right support column through fixing bolts.

Preferably, the fixing bolt, the movable ring, the left support column and the fixing bolt, the movable ring and the right support column are in threaded connection, and a first fixing pin for positioning is inserted into the lower end of the left support column.

Preferably, the universal wheel is installed to the lower extreme of right support column, and the right support column passes through the universal wheel and directly arranges ground in to sliding connection between the lower extreme of right support column and the second fixed pin.

Preferably, the limiting mechanism comprises a movable plate sleeved on the outer surface of the upper end of the movable sleeve, a spring arranged between the movable plate and the right support column, a fixing rod in a T-shaped structure and a fixing block for limiting.

Preferably, the movable plate is connected with the fixed rod in a sliding manner, and the fixed rod is fixedly connected to the right end of the movable sleeve.

Preferably, the movable plate drives the fixed block to be connected in the fixed groove at the corresponding position in a clamping way, and the fixed groove is formed in the upper side and the lower side of the right end of the right support column.

Compared with the prior art, the utility model has the beneficial effects that: according to the telescopic device of the push-pull shed, in the practical use process, the push-pull shed is conveniently pushed and stretched through the arrangement of the telescopic bracket, the left support column and the right support column, the push-pull shed is conveniently fixed on the ground by combining the arrangement of the first fixing pin, the movable sleeve and the second fixing pin, the swing of the push-pull shed caused by external force interference in the use process is prevented, the stability of the push-pull shed in the use process is improved, and the limit mechanism is combined, so that the limit is conveniently carried out between the movable sleeve and the right support column;

1. the telescopic support, the left support column and the right support column are arranged, and the telescopic support, the left support column and the telescopic support column and the right support column rotate, so that the push-pull shed can be conveniently stretched and unfolded for use;

2. the movable ring, the first fixing pin, the movable sleeve and the second fixing pin are arranged, and the movable ring slides between the left support column and the movable ring and between the movable ring and the right support column, so that the telescopic process is more stable, and the stability of the push-pull shed in the use process is improved by combining the arrangement of the first fixing pin, the movable sleeve and the second fixing pin;

3. the limiting mechanism is arranged at the upper end of the movable sleeve and comprises a movable plate, a spring, a fixed rod and a fixed block, and the limiting mechanism is arranged to limit the space between the movable sleeve and the right support column conveniently.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the overall structure of the telescopic support, the left support column, the right support column and the movable ring according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic diagram showing the front view of the connection between the movable sleeve and the second fixing pin;

fig. 5 is a schematic diagram of a cut-away structure of a movable plate, a fixed rod and a fixed block connection certificate according to the present utility model.

In the figure: 1. a telescopic bracket; 2. a left support column; 3. a right support column; 4. a movable ring; 5. a fixing bolt; 6. a first fixing pin; 7. a universal wheel; 8. a movable sleeve; 9. a second fixing pin; 10. a fixing groove; 11. a limiting mechanism; 12. a movable plate; 13. a spring; 14. a fixed rod; 15. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a push-pull shed telescopic device comprises a telescopic bracket 1, a left support column 2, a right support column 3, a movable ring 4, a fixed bolt 5, a first fixed pin 6, a universal wheel 7, a movable sleeve 8, a second fixed pin 9, a fixed groove 10, a limiting mechanism 11, a movable plate 12, a spring 13, a fixed rod 14 and a fixed block 15.

When the push-pull shed telescopic device is used, as shown in fig. 1 and 2, the upper end of the left side of a telescopic support 1 is hinged with the upper end of a left support column 2, the upper side of the right end of the telescopic support 1 is hinged with the upper end of a right support column 3, the lower end of the telescopic support 1 is hinged with a movable ring 4, when the push-pull shed is unfolded and used, the left support column 2 is directly placed on the ground, the right support column 3 is placed on the ground through a universal wheel 7, then a first fixing pin 6 is inserted into the lower end of the left support column 2, the lower end of the first fixing pin 6 is inserted into the ground, so that the left support column 2 is conveniently fixed at a corresponding position on the ground, then the right support column 3 is pulled to the right side, the right support column 3 drives the universal wheel 7 to move to the right, at the moment, the joints in the middle of the telescopic support 1 and the left support column 2, the right support column 3 and the movable ring 4 are rotated, and the movable ring 4 slides on the outer sides of the left support column 2 and the right support column 3, so that the push-pull shed can be unfolded and used conveniently;

after the expansion is finished, firstly, the universal wheel 7 is locked, then, the fixing bolt 5 for limiting is rotated, the fixing bolt 5, the movable ring 4, the left support column 2, the fixing bolt 5, the movable ring 4 and the right support column 3 are in threaded connection, further, the movable ring 4, the left support column 2, the movable ring 4 and the right support column 3 are conveniently limited, the push-pull shed is limited, the right side of the right support column 3 is in sliding connection with the movable sleeve 8 as shown in fig. 3, fig. 4 and fig. 5, the lower end of the movable sleeve 8 is fixedly connected with the second fixing pin 9, the movable sleeve 8 and the right support column 3 are limited through the limiting mechanism 11, and the limiting mechanism 11 comprises a movable plate 12 sleeved on the outer surface of the upper end of the movable sleeve 8, a spring 13 arranged between the movable plate 12 and the spring 13, a fixing rod 14 in a T-shaped structure and a fixing block 15 for limiting;

through pulling fly leaf 12, slide between fly leaf 12 and the dead lever 14, fly leaf 12 extrudees spring 13, make spring 13 take place elastic deformation, fly leaf 12 drives fixed block 15 and moves to the right side, make break away from between fixed block 15 and the fixed slot 10 of top, and then loosen spacing between movable sleeve 8 and right support column 3, then pull down movable sleeve 8, slide between movable sleeve 8 and the right support column 3, movable sleeve 8 drives and slides between second fixed pin 9 and the right support column 3, make movable sleeve 8 drive second fixed pin 9 insert ground, and then be convenient for fix right support column 3 subaerial, further promote the stability of push-pull canopy in the use, prevent to receive the interference of external force to take place the swing in the use, and after the fixed completion, through loosening fly leaf 12, spring 13 resumes elastic deformation this moment, drive and slide between movable sleeve 12 and the dead lever 14, movable sleeve 12 drives fixed block 15 block 15 block in the fixed slot 10 of below, and then be convenient for carry out spacing between movable sleeve 8 and right support column 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A push-pull shed telescopic device comprises a telescopic bracket (1), a left support column (2) hinged to the upper end of the left side of the telescopic bracket (1) and a right support column (3) hinged to the upper end of the right side of the telescopic bracket (1);

characterized by further comprising:

the movable rings (4) are sleeved on the outer surfaces of the left support column (2) and the right support column (3) respectively, and the movable rings (4) are hinged to the lower end of the telescopic support (1);

the movable sleeve (8) is connected to the outer surface of the lower end of the right support column (3) in a sliding manner, the movable sleeve (8) drives the second fixing pin (9) to form a telescopic structure at the lower end of the right support column (3), and the lower end of the second fixing pin (9) is spliced on the ground;

the limiting mechanism (11), the limiting mechanism (11) is arranged at the upper end of the movable sleeve (8), and the limiting mechanism (11) is used for limiting the space between the movable sleeve (8) and the right support column (3).

2. A push-pull canopy extension assembly as claimed in claim 1, wherein: the movable ring (4) is in sliding connection with the left support column (2) and the movable ring (4) is in sliding connection with the right support column (3), and the movable ring (4) is limited with the left support column (2) and the movable ring (4) is limited with the right support column (3) through the fixing bolt (5).

3. A push-pull canopy extension assembly as claimed in claim 2, wherein: the fixing bolt (5), the movable ring (4) and the left support column (2) are in threaded connection with each other, the movable ring (4) and the right support column (3) are in threaded connection with each other, and a first fixing pin (6) for positioning is inserted into the lower end of the left support column (2).

4. A push-pull canopy extension as claimed in claim 3, wherein: the universal wheel (7) is installed to the lower extreme of right support column (3), and right support column (3) are directly arranged in ground through universal wheel (7), and sliding connection between the lower extreme of right support column (3) and second fixed pin (9).

5. A push-pull canopy extension assembly as claimed in claim 1, wherein: the limiting mechanism (11) comprises a movable plate (12) sleeved on the outer surface of the upper end of the movable sleeve (8), a spring (13) arranged between the movable plate (12) and the right support column (3), a fixing rod (14) in a T-shaped structure and a fixing block (15) for limiting.

6. A push-pull canopy extension assembly as claimed in claim 5, wherein: the movable plate (12) is connected with the fixed rod (14) in a sliding mode, and the fixed rod (14) is fixedly connected to the right end of the movable sleeve (8).

7. The push-pull canopy telescoping device of claim 6, wherein: the movable plate (12) drives the fixed block (15) to be connected in the fixed groove (10) at the corresponding position in a clamping way, and the fixed groove (10) is arranged on the upper side and the lower side of the right end of the right support column (3).