CN201619511U

CN201619511U - Telescopic tube positioning structure

Info

Publication number: CN201619511U
Application number: CN2010200592868U
Authority: CN
Inventors: 黄汉卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-08
Filing date: 2010-01-08
Publication date: 2010-11-03
Anticipated expiration: 2020-01-08

Abstract

The utility model relates to a telescopic tube positioning structure which comprises an inner tube, an outer tube and an operating device, wherein the tube wall of the inner tube forms rows of engaging parts; the outer tube is sheathed outside the inner tube; the operating device is arranged on the outer tube; the operating device is engaged with the engaging part, and then the inner tube actuates relative to the outer tube; at least one extension tube is sheathed outside of the outer tube; and a guide assembly is arranged between the inner tube and the outer tube. The extension tube can stop relative to the outer tube, but can move along the tube length direction. The pulling length of the extension tube can be limited by an elastic buckle piece which is arranged in the tube, and then the telescopic tube is suitable for wide length range, so the purpose of accurate positioning is achieved.

Description

The telescopic pipe location structure

Technical field

The utility model refers in particular to the telescopic pipe location structure of telescopic brace rod with a kind of to be applied to container car relevant in order to the strut technology of keeping the article storehouse.

Background technology

In the item circulation system, carry goods with the vehicle and arrive the destination; With the vehicle is example, normally with the article storehouse in car cabinet the inside, during travelling, get rid of impaired if worry goods because rock, can draw back strut as auxiliary on the article next door of storehouse, safeguard the integraty of goods.

Existing pole structure can be with reference to the inventor's Taiwan New Certificate M293988 patent case.As shown in Figure 1, this strut 10 is managed the telescopic pipe that 11 and one outer tube 12 is formed in one, and pipe 11 is at tube wall shaping one row's engaging piece 14 in this.Two kinds of the fluted and through holes of the shape of this engaging piece 14 possess the bridle joint relation with a handling device 13 that is installed on outer tube, and pipe 11 relative outer tubes 12 are made fore and aft motion in making, and allow the pivot joint of strut 10 two ends resistance piece 15 conflict walls and keep elongation state.Because interior pipe 11 is fixed with the length of outer tube 12, cause strut 10 fore and aft motion in set length range, not only strut 10 withdrawals still possess cooresponding length, cause space hold and be unfavorable for collection, also can't use in exceeding the car body of this length range, want to solve this problem, can improve at the flexible body of strut 10.

Be used in the telescopic pipe of other industries, shown in Fig. 2,3,3A, also inserting outer tube 12 by interior pipe 11 forms, in interior pipe 11 the insides one V-shaped reed 20 is set, the extruding that is subjected to tube wall causes living elastic force, the protuberance 21 of its ora terminalis is exposed in interior pipe 11 holes 16, can be absorbed in outer tube 12 whole one of spacing holes 17 of arranging along with two pipe relative motions, in order to the length overall of restriction telescopic pipe.But two pipes are all the pipe moulding, when protuberance 21 does not block the spacing hole 17 of outer tube 12, cause the unnecessary rotation of body easily, cause the protuberance 21 of subsequent action can't be absorbed in spacing hole 17, and forfeiture is the usefulness of location precisely.

In view of this, the inventor deeply inquires into the problem of prior art, and research and development and manufacturing experience to be engaged in related industry for many years, actively seeks solution, successfully develops the utility model finally, commonly uses the problem of creation with improvement.

The utility model content

The purpose of this utility model is to provide a kind of telescopic pipe location structure, and can improve the structure of existing strut and be applicable to length range widely, and accurate positioning.

For reaching above-mentioned purpose, the technical solution adopted in the utility model is:

A kind of telescopic pipe location structure, this telescopic pipe comprise that the interior pipe, of the whole row of tube wall shaping engaging piece is enclosed within the handling device that interior pipe exterior outer tube and is installed on outer tube, and this handling device makes the relative outer tube start of interior pipe with the engaging piece bridle joint; Specifically at outside sheathed at least one prolongation pipe of above-mentioned outer tube, and an arrangement for guiding is set between two pipes, makes to prolong pipe and do not rotate and can be, be arranged on elastic rail fastening restriction in the pipe by one and prolong pipe and pull out length along the motion of pipe range direction relative to outer tube.

This arrangement for guiding comprises: at least one raised line, and tube-surface outside the pipe range direction forms in, and be provided with a hole that runs through raised line and pass for above-mentioned elastic rail fastening; At least one guide groove forms in and prolongs inside pipe wall and cooperate with the raised line of outer tube is concavo-convex, and has one and run through guide groove and the spacing hole that can allow above-mentioned elastic rail fastening pass.

This elastic rail fastening is one to be arranged on reed and at least one protuberance that is arranged on reed in the face of outer tube hole position in the outer tube.

Adopt such scheme, the utility model is compared prior art and is had following advantage:

1, suppose that the length of inner and outer pipe is consistent with prior art, then add the length overall of strut after stretching that prolongs pipe, definitely also long than existing strut;

If 2 add the length overall after the strut that prolongs pipe stretches, equal the length overall after existing strut stretches, obvious length of having reduced interior pipe, outer tube and prolongation pipe, thus, strut length overall after the withdrawal is more conducive to collection naturally definitely less than the strut of prior art.

3, after telescopic pipe of the present utility model is applied in strut, can look actual needs and pipe, outer tube or prolong pipe in stretching successively, except accurate location, withdrawal, the length overall scope that stretches enlarge relatively, and it is also more extensive than prior art to be suitable for the car body type.

4, the utility model prolong engagement limits that pipe is subjected to guide groove and outer tube raised line just can relative outer tube rotation, add the guiding of raised line, make to prolong pipe and do motions such as stretching or withdrawal along the outer tube length direction, and make elastic rail fastening stopper more accurate positioning.

Below in conjunction with embodiment and conjunction with figs. the utility model is elaborated.

Description of drawings

Fig. 1 commonly uses the pole structure block diagram;

Fig. 2 commonly uses the concrete shape that telescopic pipe decomposes each assembly of back;

Fig. 3,3A commonly use the side-looking of telescopic pipe and location structure relevance and overlook situation;

Fig. 4 is a combination stereogram of the present utility model;

Fig. 5 is a lateral plan of the present utility model;

Fig. 6,6A are cutaway views of the present utility model.

The main element nomenclature

Pipe 12 outer tubes in 10 struts 11

13 handling device, 14 engaging pieces 15 resist piece

16 holes, 17 spacing holes, 20 reeds

21 protuberances 30 prolong pipe 40 arrangement for guiding

41,44 raised lines, 42,45 guide grooves, 43 holes

46 spacing holes, 50 elastic rail fastenings, 51 reeds

52 protuberances

The specific embodiment

See also shown in Fig. 4 to Fig. 6, the 6A, be telescopic pipe location structure of the present utility model, show the telescopic pipe of strut 10, be by interior pipe 11, outer tube 12 and prolong pipe 30 each other fit form.Should arrange engaging piece 14 in tube wall shaping one by interior pipe 11, two kinds of the fluted and through holes of the shape of these engaging pieces 14, possesses the bridle joint relation with the handling device 13 that is installed on outer tube 12, pipe 11 relative outer tubes 12 are made fore and aft motion in making, with the resistance piece 15 conflict car body walls of pipe 11 in articulating and prolongation pipe 30 ends.

This prolongation pipe 30 is enclosed within the outside of outer tube 12, and a arrangement for guiding 40 and between two pipes is set is assembled in outer tube 12 in-to-in elastic rail fastenings 50.This arrangement for guiding 40 comprises two raised lines 41 and two guide grooves 45 of symmetry, these raised lines 41 are to form in outer tube 12 surfaces along the pipe range direction, and make the inwall depression of outer tube 12 relative raised lines 41 be guide groove 42, and be provided with a hole 43 that runs through raised line 41 at the contiguous tube wall that prolongs pipe 30; And guide groove 45 form in prolong pipe 30 inwalls and with 41 concavo-convex cooperations of raised line, and have a spacing hole 46 of running through guide groove 45, and raised line 44 arranged at the surface elevation that prolongs pipe 30 relative guide grooves 45.This arrangement for guiding 40 cooperates guide grooves 45 with raised line 41, makes to prolong pipe 30 and can not rotate relative to outer tube 12, only can be along the motion of pipe range direction, and with an elastic rail fastening 50 that is arranged in the outer tube 12, restriction prolongs manages 30 length of pulling out.

This elastic rail fastening 50 is reeds 51, is arranged in the outer tube 12 and in the face of the outstanding protuberance 52 in hole 43 positions.The extruding that this reed 51 is subjected to tube wall causes living elastic force, can make protuberance 52 pass hole 43 and manages 30 inwalls and offset with the prolongation of withdrawal.

The user can pull out earlier and prolong pipe 30, under the guiding of guide groove 45 and raised line 41, when moving to set length, allows the hole 43 of spacing hole's 46 alignment outer tubes 12 of prolonging pipe 30 just.Lose the pressure-formed protuberance 52 of tube wall,, and then block and prolong the length that pipe 30 decisions are pulled out because of the elastic force of reed 51 thrusts spacing hole 46.Touch the car body wall to be articulated in the resistance piece 15 that prolongs pipe 30 ends, pull handling device 13 with engaging piece 14 bridle joints, pipe 11 moves outward in driving, and the relative wall of resistance piece 15 conflict car bodies of pipe 11 ends is kept long stretched length in being articulated in.

On the contrary, push the protuberance 52 of elastic rail fastening 50, make prolong pipe 30 because spacing hole 46 loses blocking strength relatively outer tube do and stretch or motion such as withdrawal, add that handling device 13 is cocked and manage 11 in regaining fast, cause the strut 10 convenient collections of contraction in length.

The foregoing description only is explanation the utility model, and non-for limiting the utility model, all various variations, modification and application of deriving according to the foregoing description all fall in the rights protection category of the present utility model.

Claims

1. telescopic pipe location structure, this telescopic pipe comprise a tube wall be shaped the interior pipe, of whole row's engaging piece be enclosed within pipe exterior outer tube and be installed on the handling device of outer tube, manage relative outer tube start in this handling device makes with the engaging piece bridle joint;

It is characterized in that: at outside sheathed at least one prolongation pipe of above-mentioned outer tube, and an arrangement for guiding is set between two pipes, makes to prolong to manage and do not rotate and can be arranged on the interior elastic rail fastening restriction prolongation pipe of pipe by one and pull out length along the motion of pipe range direction relative to outer tube.

2. telescopic pipe location structure as claimed in claim 1 is characterized in that: this arrangement for guiding comprises: at least one raised line, and tube-surface outside the pipe range direction forms in, and be provided with a hole that runs through raised line and pass for above-mentioned elastic rail fastening; At least one guide groove forms in and prolongs inside pipe wall and cooperate with the raised line of outer tube is concavo-convex, and has one and run through guide groove and the spacing hole that can allow above-mentioned elastic rail fastening pass.

3. telescopic pipe location structure as claimed in claim 1 is characterized in that: this elastic rail fastening is one to be arranged on reed and at least one protuberance that is arranged on reed in the face of outer tube hole position in the outer tube.