CN220014670U - Telescopic flagpole - Google Patents

Abstract

The utility model relates to a telescopic flagpole, which is characterized in that: comprises a telescopic rod body unit, an outer bushing, an inner bushing and a locking bolt group; the inner bushing and the outer bushing structures are arranged between the adjacent telescopic flagpole units, the connecting positions are increased in connection strength through the inner bushing structure and the outer bushing structure, and the inner bushing and the outer bushing only need to be installed in a nested mode, so that the connection is convenient and quick; the strength of the joint of the telescopic flagpole is ensured, and meanwhile, the efficiency of installation and disassembly is improved.

Description

Telescopic flagpole

Technical Field

The utility model relates to the technical field of flagpoles, in particular to a telescopic flagpole.

Background

The installation of a general telescopic flagpole adopts a nested installation structure, wherein the problem of insufficient connection strength of the telescopic flagpole unit easily occurs at the joint of the end parts; therefore, the conventional manner of locking two telescopic flagpole units using a simple bolt structure is easy to occur in the case that the joint of the telescopic flagpoles is broken, and it is necessary to increase the connection strength to the joint.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a telescopic flagpole, which can solve the problems that the connecting strength of a general telescopic flagpole at a joint is insufficient and the telescopic flagpole is easy to break.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a telescopic flagpole is characterized in that: comprises a telescopic rod body unit, an outer bushing, an inner bushing and a locking bolt group;

the telescopic rod body units are provided with a plurality of telescopic rod body units which can be sequentially nested in the axial direction to form a flag pole structure with a through length; positioning holes matched with the locking bolt groups are formed in the two ends of the telescopic rod body unit perpendicular to the axis direction;

the outer lining is arranged on the top end of the telescopic rod body unit, a limiting step surface is arranged on the inner wall of the outer lining, the top end of the telescopic rod body unit is embedded into the top end of the outer lining and is propped against the limiting step surface, and the inner wall of the outer lining is flush with the inner wall of the telescopic rod body unit;

the inner bushing is arranged at the bottom end of the other adjacent telescopic rod body unit, a supporting step surface is arranged on the outer wall of the inner bushing, the inner bushing is embedded in the adjacent telescopic rod body unit, the bottom end of the inner bushing is propped against the supporting step surface, and the outer wall of the inner bushing is flush with the outer wall of the telescopic rod body unit; the inner bushing and the telescopic rod body unit are integrally embedded into the adjacent telescopic rod body unit;

locking holes are formed in the outer bushing and the inner bushing, and the locking holes are correspondingly arranged with positioning holes in the telescopic rod body unit;

the locking bolt group comprises an internal thread column and a bolt; the internal thread column penetrates through the outer bushing, the telescopic rod body unit and the inner bushing from one side and extends into the telescopic rod body unit; the bolt passes through the outer bushing, the telescopic rod body unit and the inner bushing from the other side and extends to the inside of the telescopic rod body unit to be matched with the internal thread column so as to realize the connection between the internal bolt column and the bolt.

Further, the end parts of the inner bolt columns and the end parts of the bolts are provided with inner hexagonal locking holes.

The utility model has the advantages that:

1) According to the utility model, the inner bushing and the outer bushing structures are arranged between the adjacent telescopic flagpole units, the connecting positions are increased in connection strength through the inner bushing structure and the outer bushing structure, and the inner bushing and the outer bushing only need to be installed in a nested manner, so that the connection is convenient and quick; the strength of the joint of the telescopic flagpole is ensured, and meanwhile, the efficiency of installation and disassembly is improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of a telescopic flagpole according to the present utility model.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

A telescopic flagpole as shown in fig. 1 comprises a telescopic flagpole unit 1, an outer bushing 2, an inner bushing 3 and a locking bolt set 4.

The telescopic rod body units 1 are provided with a plurality of telescopic rod body units 1 which can be sequentially nested in the axial direction to form a flagpole structure with a through length; the two ends of the telescopic rod body unit 1 are provided with positioning holes matched with the locking bolt groups 4 in the direction perpendicular to the axis.

The outer lining 2 is arranged on the top end of the telescopic rod body unit 1, a limiting step surface is arranged on the inner wall of the outer lining 2, the top end of the telescopic rod body unit 1 is embedded into the top end of the outer lining 2 and abuts against the limiting step surface, and the inner wall of the outer lining 2 is flush with the inner wall of the telescopic rod body unit 1.

The inner bush 3 is arranged at the bottom end of the other adjacent telescopic rod body unit 1, a supporting step surface is arranged on the outer wall of the inner bush 3, the inner bush 3 is embedded in the adjacent telescopic rod body unit 1, the bottom end of the inner bush 3 is propped against the supporting step surface, and the outer wall of the inner bush 3 is flush with the outer wall of the telescopic rod body unit 1; the inner bush 3 is integrally embedded in the adjacent telescopic rod body unit 1 together with the telescopic rod body unit 1.

Locking holes are formed in the outer bush 2 and the inner bush 3, and the locking holes are correspondingly arranged with positioning holes in the telescopic rod body unit.

The locking bolt set 4 includes an internally threaded post 41 and a bolt 42; the internal thread post 41 extends from one side through the outer bush 2, the telescopic rod body unit 1 and the inner bush 3 to the inside of the telescopic rod body unit 1; the bolt 42 passes through the outer bushing 2, the telescopic rod body unit 1 and the inner bushing 3 from the other side to the inside of the telescopic rod body unit 1 to be matched with the internal thread column 41, so that the connection between the internal bolt column 41 and the bolt 42 is realized.

The ends of the inner bolt posts 41 and the ends of the bolts 42 are provided with inner hexagonal locking holes.

The working principle of the utility model is as follows: the inner bushing and the outer bushing structures are arranged between the adjacent telescopic flagpole units, the connecting positions are increased in connection strength through the inner bushing structure and the outer bushing structure, and the inner bushing and the outer bushing only need to be installed in a nested mode, so that connection is convenient and quick; the strength of the joint of the telescopic flagpole is ensured, and meanwhile, the efficiency of installation and disassembly is improved.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (2)

1. A telescopic flagpole, characterized in that: comprises a telescopic rod body unit, an outer bushing, an inner bushing and a locking bolt group;

the telescopic rod body units are provided with a plurality of telescopic rod body units which can be sequentially nested in the axial direction to form a flag pole structure with a through length; positioning holes matched with the locking bolt groups are formed in the two ends of the telescopic rod body unit perpendicular to the axis direction;

the outer lining is arranged on the top end of the telescopic rod body unit, a limiting step surface is arranged on the inner wall of the outer lining, the top end of the telescopic rod body unit is embedded into the top end of the outer lining and is propped against the limiting step surface, and the inner wall of the outer lining is flush with the inner wall of the telescopic rod body unit;

the inner bushing is arranged at the bottom end of the other adjacent telescopic rod body unit, a supporting step surface is arranged on the outer wall of the inner bushing, the inner bushing is embedded in the adjacent telescopic rod body unit, the bottom end of the inner bushing is propped against the supporting step surface, and the outer wall of the inner bushing is flush with the outer wall of the telescopic rod body unit; the inner bushing and the telescopic rod body unit are integrally embedded into the adjacent telescopic rod body unit;

locking holes are formed in the outer bushing and the inner bushing, and the locking holes are correspondingly arranged with positioning holes in the telescopic rod body unit;

the locking bolt group comprises an internal thread column and a bolt; the internal thread column penetrates through the outer bushing, the telescopic rod body unit and the inner bushing from one side and extends into the telescopic rod body unit; the bolt passes through the outer bushing, the telescopic rod body unit and the inner bushing from the other side and extends to the inside of the telescopic rod body unit to be matched with the internal thread column so as to realize the connection between the internal bolt column and the bolt.

2. A retractable flagpole according to claim 1, wherein: and inner hexagonal locking holes are formed in the end parts of the inner bolt columns and the end parts of the bolts.