CN211666995U

CN211666995U - Telescopic rod

Info

Publication number: CN211666995U
Application number: CN202020067526.2U
Authority: CN
Inventors: 章晓东; 叶锐明
Original assignee: Jinhua Shuangxing Tool Co ltd
Current assignee: Jinhua Shuangxing Tool Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-13
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a telescopic link, it includes: the diameter of each straight pipe is unchanged, the straight pipes are sequentially coaxially sleeved, the two adjacent straight pipes are respectively an Nth straight pipe and an (N + 1) th straight pipe, and the Nth straight pipe slides in the (N + 1) th straight pipe along the axial direction; and coupling assembling, it is connected nth straight tube and N +1 th straight tube, and coupling assembling includes: the first sleeve is detachably sleeved on the outer side of the second end of the Nth straight pipe; and the second sleeve is detachably sleeved on the inner side of the first end of the (N + 1) th straight pipe, and when the telescopic rod is in an extending state, the inner wall of the second sleeve is fixedly extruded with the outer wall of the first sleeve. In the utility model, the adjacent straight pipes are connected through the connecting component, so that the straight pipe of the telescopic rod does not need to adopt a reducer pipe, the production cost is reduced, the length of the straight pipe can be flexibly intercepted, and additional die sinking is not needed; the connecting assembly can also form protection for the straight pipe, and the service life of the straight pipe is prolonged.

Description

Telescopic rod

Technical Field

The utility model relates to a shaft-like structure technical field, in particular to telescopic link.

Background

The telescopic rod has various purposes, is convenient to use and easy to store, and is widely applied to the fields of fitness equipment, digital accessories, fishing gear and the like, such as a selfie stick, a fishing rod, an alpenstock and the like. The telescopic rod in the prior art usually adopts the reducing pipe sections that cup joint each other, however, the manufacturing process of reducing pipe section is complicated, manufacturing cost is high to it is difficult to select suitable pipe section length as required, and the processing flexibility ratio is low. In addition, there are two general ways of connecting the pipe sections, one is to fix the pipe sections by abutting the end portions of two adjacent pipe sections, and the other is to fix the pipe sections in an extended state by fixing members provided at the end portions of two adjacent pipe sections. The ends of the pipe sections fixed in the two ways are easy to damage or crack after being used repeatedly, and cannot be used continuously.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic link to improve among the prior art telescopic link manufacturing cost height, length processing problem not flexible enough.

Another object of the utility model is to provide a telescopic link to improve among the prior art telescopic link fragile, short service life scheduling problem.

In order to achieve the above object, the utility model provides a telescopic rod, it includes: the diameter of each straight pipe is unchanged, the straight pipes are sequentially coaxially sleeved, the two adjacent straight pipes are respectively an Nth straight pipe and an (N + 1) th straight pipe, and the Nth straight pipe slides in the (N + 1) th straight pipe along the axial direction; and coupling assembling, it is connected nth straight tube and N +1 th straight tube, and coupling assembling includes: the first sleeve is detachably sleeved on the outer side of the second end of the Nth straight pipe; and the second sleeve is detachably sleeved on the inner side of the first end of the (N + 1) th straight pipe, and when the telescopic rod is in an extending state, the inner wall of the second sleeve is fixedly extruded with the outer wall of the first sleeve.

Further, among the above-mentioned technical scheme, first sleeve is connected with the nth straight tube through first buckle subassembly.

Further, among the above-mentioned technical scheme, first buckle subassembly includes: the first through hole is formed in the Nth straight pipe; and the first buckle is arranged on the first sleeve, wherein when the first buckle component is in a buckling state, the first buckle does not protrude out of the inner wall of the Nth straight pipe.

Further, among the above-mentioned technical scheme, the second sleeve is connected with (N + 1) th straight tube through second buckle subassembly.

Further, among the above-mentioned technical scheme, the second buckle subassembly includes: the second through hole is formed in the (N + 1) th straight pipe; and the second buckle is arranged on the second sleeve, wherein when the second buckle component is in a buckling state, the second buckle does not protrude out of the outer wall of the (N + 1) th straight pipe.

Further, among the above-mentioned technical scheme, the telescopic link still includes: and the rod cover is buckled outside the first end of the straight pipe with the largest diameter in the plurality of straight pipes when the telescopic rod is in a contraction state.

Further, in the technical scheme, the number of the straight pipes is 3-6.

Further, among the above-mentioned technical scheme, the straight tube is equipped with the axial spout, and two adjacent straight tubes slide along the axial spout relatively.

Further, in the above technical scheme, the straight pipe is made of nylon, aluminum alloy, stainless steel or plastic.

Further, among the above-mentioned technical scheme, the telescopic link is badminton net bracing piece, from rapping bar or fishing rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. adjacent straight pipes are connected through the connecting assembly, so that a plurality of straight pipes of the telescopic rod do not need to adopt reducer pipes, the production cost is reduced, the length of each straight pipe can be flexibly intercepted, and additional die sinking is not needed; the connecting assembly can also form protection for the straight pipe, the straight pipe is not easy to damage or break, and the service life is prolonged.

2. The connecting assembly is detachably designed, and is convenient to install, maintain and replace.

3. The buckle connection design of first sleeve pipe and second sleeve pipe and straight tube avoids influencing the telescopic link and stretches out and draws back.

4. The straight pipe can be made of nylon, aluminum alloy, stainless steel or plastic and the like, and the cost is lower compared with carbon and the like.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means more comprehensible, and to make the above and other objects, technical features, and advantages of the present invention easier to understand, one or more preferred embodiments are listed below, and the following detailed description is given with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a telescopic rod according to an embodiment of the present invention, wherein the telescopic rod is in an extended state.

Fig. 2 is a schematic cross-sectional view of a connection assembly according to an embodiment of the present invention, wherein the telescopic rod is in an extended state.

Fig. 3 is a schematic perspective view of a first sleeve according to an embodiment of the present invention

Fig. 4 is a schematic structural view of the first sleeve and the nth straight pipe in fig. 3.

Fig. 5 is a schematic perspective view of a second sleeve according to an embodiment of the present invention

Fig. 6 is a schematic structural view of the second sleeve pipe in fig. 5 connected to the (N + 1) th straight pipe.

Fig. 7 is a schematic structural view of a telescopic rod according to an embodiment of the present invention, wherein the telescopic rod is in a contracted state.

Description of the main reference numerals:

10-straight pipe, 11-Nth straight pipe, 112-first through hole, 12-Nth +1 straight pipe, 121-second through hole, 20-connecting assembly, 21-first sleeve, 211-first buckle, 22-second sleeve, 221-second buckle, 30-rod cover and 40-base.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The article may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

In this document, the terms "first", "second", etc. are used to distinguish two different elements or portions, and are not used to define a particular position or relative relationship. In other words, the terms "first," "second," and the like may also be interchanged with one another in some embodiments.

As shown in fig. 1 to 6, the telescopic rod according to the embodiment of the present invention comprises: the diameter of each straight pipe is unchanged, and the straight pipes are sequentially coaxially sleeved. Two adjacent straight tubes are respectively the Nth straight tube 11 and the (N + 1) th straight tube 12, and the Nth straight tube 11 can slide in the (N + 1) th straight tube 12 along the axial direction. Coupling assembly 20 connects two adjacent straight pipes, and coupling assembly 20 may include: the first sleeve 21 is detachably sleeved on the outer side of the second end of the Nth straight pipe 11; and a second sleeve 22 detachably sleeved on the inner side of the first end of the (N + 1) th straight tube 12. As shown in FIG. 2, when the telescopic rod is in the extended state, the inner wall of the second sleeve 22 is fixed to the outer wall of the first sleeve 21 by pressing. The adjacent Nth straight pipe 11 and the (N + 1) th straight pipe 12 do not need to be in direct contact connection, so that the abrasion of the straight pipes is reduced, and the service life is longer; each straight pipe is the non-reducing pipe, low in manufacturing cost to the length of each straight pipe section can be intercepted according to actual need, need not the mould sinking again and makes, and the flexibility ratio of production is high, practices thrift the cost simultaneously. The connecting assembly is detachably arranged, so that the replacement and maintenance are convenient.

Preferably, but not limitatively, in one or more exemplary embodiments of the present invention, the first sleeve 21 is sleeved outside the second end of the nth straight pipe 11 by a first buckle assembly. Preferably, but not limitatively, in one or more exemplary embodiments of the present invention, the first buckle assembly may include a first through hole 112 opened on the nth straight pipe 11 and a first buckle 211 provided on the first sleeve 21. Preferably, when the first buckle assembly is in a buckling state, the first buckle 211 does not protrude from the inner wall of the nth straight pipe 11, and the inner wall of the straight pipe is kept flat, so that the sliding of two adjacent straight pipes is easier.

Preferably, but not limitatively, in one or more exemplary embodiments of the invention, the second sleeve 22 is connected with the (N + 1) th straight tube 12 by a second snap assembly. Preferably, but not limitatively, in one or more exemplary embodiments of the present invention, the second buckle assembly comprises a second through hole 121 opened on the (N + 1) th straight tube 12 and a second buckle 221 provided on the second sleeve 22. Preferably, when the second buckle assembly is in a buckling state, the second buckle 221 does not protrude from the outer wall of the (N + 1) th straight tube 12, so that the outer wall of the straight tube is kept flat, and two adjacent straight tubes can slide relatively conveniently.

Further, in one or more exemplary embodiments of the present invention, the number of the straight pipes may be 3 to 6, and the telescopic rod shown in fig. 1 has four straight pipes, it should be understood that the present invention is not limited thereto, and the number of the straight pipes and the length of each straight pipe may be designed according to actual needs.

Further, in one or more exemplary embodiments of the present invention, the telescopic rod further comprises a rod cover 30. Referring to fig. 7, when the telescopic rod is in a contracted state, the rod cover 30 covers the first end of the straight tube 10 having the largest diameter among the plurality of straight tubes 10. Exemplarily, the rod cover 30 may be disposed at a first end of a first straight tube (the straight tube with the smallest diameter), and the rod cover 30 may also be a split structure, and after the telescopic rod is completely retracted, the rod cover 30 is covered and fastened outside a second end of the straight tube 10 with the largest diameter, which is not limited by the present invention.

Further, in one or more exemplary embodiments of the present invention, the telescopic rod further includes a base 40, and the base 40 may be disposed outside the second end of the straight pipe 10 having the largest diameter among the plurality of straight pipes 10. The base 40 can be set up to different structures according to different use needs, for example, the base 40 can be a handheld portion, so that the user can hold the telescopic rod, and the base 40 can also be matched with other elements to support the telescopic rod, which is not limited by the present invention.

Furthermore, in the above technical scheme, the straight pipes are provided with axial sliding grooves (not shown in the figure), and two adjacent straight pipes can slide relatively along the axial sliding grooves, so that the straight pipes can be prevented from rotating along the axial direction when being expanded or contracted.

Preferably, but not limitatively, in one or more exemplary embodiments of the present invention, the straight tube is made of nylon, aluminum alloy, stainless steel or plastic. Illustratively, the plastic is PVC, ABS, PC, PE, PP, etc., suitable for making pipes. The carbon material has high material cost and complex process for processing the carbon material into the pipe, and the pipe can be formed by a plurality of complicated procedures, such as silk making, weaving, winding and the like, so that the cost of the pipe is always high. Although the material cost of the glass fiber reinforced plastic material is relatively low, the processing technology for manufacturing the necking pipe is similar to that of carbon, and the processing technology is complex, so the cost is high. The pipe made of materials such as plastics and aluminum materials is relatively low in material cost, is produced by an extrusion process, is low in process requirement and simple and convenient to operate, can be produced into corresponding pipes according to requirements only by a mould, is easier for mass production, and is low in mould cost, so that the manufacturing cost can be saved.

Further, in one or more exemplary embodiments of the present invention, the telescopic rod may be a badminton net support rod, a selfie stick, or a fishing rod. It should be understood that the present invention is not limited thereto.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.

Claims

1. A telescopic pole, characterized in that, includes:

the diameter of each straight pipe is unchanged, the straight pipes are sequentially coaxially sleeved, the two adjacent straight pipes are respectively an Nth straight pipe and an (N + 1) th straight pipe, and the Nth straight pipe slides in the (N + 1) th straight pipe along the axial direction; and

coupling assembling, it will the Nth straight tube with the (N + 1) th straight tube is connected, coupling assembling includes:

the first sleeve is detachably sleeved on the outer side of the second end of the Nth straight pipe; and

and the second sleeve is detachably sleeved on the inner side of the first end of the (N + 1) th straight pipe, and when the telescopic rod is in an extending state, the inner wall of the second sleeve is extruded and fixed with the outer wall of the first sleeve.

2. The telescoping pole of claim 1, wherein said first bushing is connected to said nth straight tube by a first snap assembly.

3. The extension pole of claim 2, wherein said first catch assembly comprises:

the first through hole is formed in the Nth straight pipe; and

a first buckle arranged on the first sleeve,

when the first buckle component is in a buckling state, the first buckle does not protrude out of the inner wall of the Nth straight pipe.

4. The telescoping pole of claim 1, wherein said second sleeve is connected to said (N + 1) th straight tube by a second snap assembly.

5. The extension pole of claim 4, wherein said second catch assembly comprises:

the second through hole is formed in the (N + 1) th straight pipe; and

a second catch disposed on the second sleeve,

when the second buckle assembly is in a buckling state, the second buckle does not protrude out of the outer wall of the (N + 1) th straight pipe.

6. The telescoping pole of claim 1, further comprising:

and when the telescopic rod is in a contraction state, the rod cover is buckled outside the first end of the straight pipe with the largest diameter in the plurality of straight pipes.

7. The telescopic rod according to claim 1, wherein the number of the straight pipes is 3-6.

8. The telescopic rod according to claim 1, wherein the straight tubes are provided with axial sliding grooves, and two adjacent straight tubes slide relatively along the axial sliding grooves.

9. The telescoping pole of claim 1, wherein said straight tube is made of nylon, aluminum alloy, stainless steel or plastic.

10. The telescopic rod according to any one of claims 1 to 9, wherein the telescopic rod is a badminton net support rod, a selfie stick or a fishing rod.