CN101424288A - Telescopic sleeve pipe - Google Patents
Telescopic sleeve pipe Download PDFInfo
- Publication number
- CN101424288A CN101424288A CNA2008101871894A CN200810187189A CN101424288A CN 101424288 A CN101424288 A CN 101424288A CN A2008101871894 A CNA2008101871894 A CN A2008101871894A CN 200810187189 A CN200810187189 A CN 200810187189A CN 101424288 A CN101424288 A CN 101424288A
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- CN
- China
- Prior art keywords
- overcoat
- outer tube
- spring
- telescopic sleeve
- interior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a telescopic sleeve and relates to the technical field of tubing connection. The telescopic sleeve comprises an outer tube and an inner tube partially sleeved in the outer tube; and a connecting part between the outer tube and the inner tube is sleeved with an adjusting piece for locking the inner tube in the outer tube. The adjusting piece comprises an inner sleeve fixed with the wall of the outer wall; the outside of the inner sleeve is sleeved with an outer sleeve which can rotate relative to the inner sleeve; and a spring for enclasping the inner tube is arranged and positioned between the top of the inner sleeve and the inner wall of the outer sleeve. The inner tube can rapidly extend out from the outer tube or draw back from the outer tube through rotating the adjusting piece; and owning to the elastic function of the spring in the adjusting piece, the new position of the tubing after stretching can also be rapidly positioned. The adjusting mode can conveniently and rapidly make the tubing flexing; the telescopic sleeve has a simple and durable structure; and the concealed type formation is also convenient for the whole shape design of the telescopic tubing and simultaneously enhances the whole molding effect and value of a product which adopts the telescopic tubing.
Description
Technical field
The present invention relates to telescopic tubing interconnection technique field.
Background technique
In use all there is the interconnective problem in tubing termination in all kinds of tubing.For the ease of taking in, the tubing supports that product scope used such as a lot of lamp decorations, furniture, musical instrument all adopt telescope to make.
At present, in the telescope product, pipe elongating or shortening the traditional thread fit system of main employing and being clasped mode in outer tube in it.Traditional thread fit system elongates or shortens when action, needs wide-angle to rotate for a long time in that the relative outer tube of interior pipe is done, and this mode speed is slow and inconvenient; And in the mode that is clasped, need the snapping position be set at outer wall of inner tube and outer tube wall cooperation place, processing inconvenience and expansion spacing also inconvenience are adjusted.
Chinese patent 01227328.7 disclosed " can adjust the positioning device of telescopic pipe material ", form one with at least two bodys grafting and can adjust flexible pipe structure, wherein the caliber of a body is pegged graft relatively for the inside and outside in twos body of order and is revolved the elliptical shape of establishing packing, the end body revolves to be established packing and establishes a body for, and described group is established body is mophead, paintbrush or high hedge clipper.The device that this adjustment tubing is flexible can well fasteningly be located, but also has the tubing processed complex, adjusts and waits defective inadequately fast.
Summary of the invention
Problem to be solved by this invention provides a kind of telescopic sleeve pipe, and it elongates or shortens convenient quick, and its tight Shu Li also is the most firm, accurate.
For solving the problems of the technologies described above, realize technological scheme of the present invention be,
Design a kind of telescopic sleeve pipe, include outer tube and the interior pipe that partly is nested with in outer tube, outer tube and interior pipe connecting part are equipped with the interior tube bank adjustment piece in outer tube tightly, described adjustment piece comprises and the interior cover that is fixed on the outer tube wall, interior cover is outside equipped with one and can internally overlaps the overcoat of rotation mutually, and installing and locating has the spring of tightening interior pipe between interior cover top and the outer casing inner wall.It is flexible that rotating jacket overcomes the feasible interior pipe of spring force, and the reposition after interior pipe is flexible is owing to the effect of accent spring restoring force is located fast.
For the assembling and the die sinking manufacturing of adjustment piece, improving of such scheme, overcoat is involuted up and down by overcoat A portion and overcoat B portion, and superposed overcoat A portion is cone table shape, and the overcoat B portion that is positioned at the bottom is cylindric.Overcoat A subordinate wall is protruding with circular fin, has the circular groove that cooperates with circular fin on the overcoat B portion upper wall accordingly, and overcoat integral body is formed in the circular groove coupling back of the circular fin of overcoat A portion and overcoat B portion.
Further improvement as such scheme, described interior cover is positioned at overcoat B portion and cooperates with overcoat B portion is movable, by open arc shape slideway on outer wall of inside race, overcoat B portion inwall is provided with the projection that can slide in cambered way, so just can make overcoat internally cover rotation mutually.
In order to make cylindrical spring hold interior pipe tightly, on the cover top, the cylindrical spring the other end was fixed on the overcoat A portion inwall in cylindrical spring one end was fixed on.
The present invention has following remarkable result compared to existing technology:
The present invention breaks through the thread of traditional scalable tubing or the mode that is clasped, be used for the adjustment piece of interior pipe locking at tubing outer tube and the connecting part socket of interior pipe, mounting spring in adjustment piece, the cylindrical spring internal diameter of pipe dwindled or enlarges in overcoat by the rotation adjustment piece made and holds tightly in the adjustment piece, thereby made interior pipe extend from outer tube or withdraw.
This adjustment mode can conveniently make tubing flexible fast, and of the present invention simple in structure and durable, and it constructs concealedly, the also monnolithic case of convenient flexible tubing design, the moulded effect and the value of promoting the product that adopts flexible tubing simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic cross-section of Fig. 1;
Fig. 3 is the decomposing schematic representation of Fig. 1.
Embodiment
For the ease of those skilled in the art's understanding, structural principle of the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing:
Referring to Fig. 1～3, a kind of telescopic sleeve pipe mainly is placed on the interior pipe 1 in the outer tube by outer tube 2, part and is socketed in outer tube and the adjustment piece of interior pipe connecting part constitutes.Slight rotation adjustment piece can make interior pipe 1 stretch out from outer tube 2 fast or withdraw in outer tube, whole tubing is elongated or shortened, it is flexible that rotating jacket overcomes the feasible interior pipe of spring force, and the reposition after interior pipe is flexible is owing to the effect of accent spring restoring force is located fast.This extension type tubing can be as the extension type supporting frame of musical instrument series products, the scalable not only convenient for collecting of supporting frame but also be convenient to transportation.Certainly, telescopic sleeve pipe of the present invention also can lamp decoration, field such as furniture and decoration.
The adjustment piece of telescopic sleeve pipe of the present invention comprises the interior cover 4 of a plastic colloid, be socketed on the outer tube wall in the plastic colloid, interior cover can only be nested with on outer tube, also can extend to the interior pipe position with the outer tube connecting part, and the interior cover 4 in the present embodiment is nested with and is fixed on outer tube 2 and interior pipe 1 connecting part.
In order to improve the whole outer tube shape of feel, increase telescopic tube, whole overcoat is also processed by plastic cement material.Overcoat is involuted up and down by overcoat A portion 31 and overcoat B portion 32, and superposed overcoat A portion is cone table shape, and the overcoat B portion that is positioned at the bottom is cylindric.The lower wall of overcoat A portion is protruding with circular fin 310, has the circular groove 320 that cooperates with circular fin on the overcoat B portion upper wall accordingly, and the circular fin 310 of overcoat A portion makes both constitute overcoat integral body with 320 assemblings of the circular groove of overcoat B portion.The overcoat separated into two parts is convenient to assembling, also die sinking manufacturing easily.
In order to make overcoat internally to overlap rotation mutually, on outer wall of inside race, have cambered way 41, overcoat B portion inwall is provided with the projection 321 that can slide in cambered way.And when rotating jacket, can slide in the cambered way on outer wall of inside race in the protruding position in the overcoat B portion.
On the cover top, the cylindrical spring the other end was fixed on the overcoat A portion inwall in cylindrical spring 5 one ends in the adjustment piece were fixed on, and the selection of cylindrical spring is with under nature, and pipe skidded off outer tube and is as the criterion in pipe was avoided in cylindrical spring can be tightened.
Under the initial natural state, pipe in the cylindrical spring in the adjustment piece is tightened, the relative position between promptly interior pipe and the outer tube is stable.When needs adjustment tubing extends its whole length, then tighten the direction rotary sleeve of power to reducing cylindrical spring, impel cylindrical spring to unclamp interior pipe, extract interior pipe by the effect of external force simultaneously, the external force of unclamping rotary sleeve behind the pipe in extracting, then cylindrical spring can return to initial position and tighten up interior pipe under the effect of elastic force, and the tubing behind the lengthening just firmly and has fast been located once more like this; Otherwise when needs shortened tubing, after same rotary sleeve made cylindrical spring unclamp interior pipe, the interior pipe that pushes respective length in outer tube can be located.
The present invention utilize the power of tightening of cylindrical spring limit in relative position between pipe and the outer tube, it is convenient and swift adjust, in addition, the concealed design of adjustment piece spring, easily the overall appearance moulding of flexible tubing.
The length that purport of the present invention is to protect the power of tightening of utilizing spring and restoring force to change telescopic pipe; the foregoing description is a concrete preferred implementation of the present invention; in addition; the present invention can also have other implementations; for example overcoat and interior inner room realize that the mode of rotating can adopt the existing multiple mode that realizes rotation; that is to say under the prerequisite that does not break away from the present invention's design; any conspicuous replacement is as long as utilize spring action to realize that the flexible of sleeve pipe just should fall within protection scope of the present invention.
Claims (6)
1, a kind of telescopic sleeve pipe, include outer tube (2) and part is nested with interior pipe (1) in outer tube, outer tube and interior pipe connecting part are equipped with the interior tube bank adjustment piece in outer tube tightly, it is characterized in that: described adjustment piece comprises and the interior cover (4) that is fixed on the outer tube wall, interior cover is outside equipped with one and can internally overlaps the overcoat (3) of rotation mutually, in be equipped with between cover top and the outer casing inner wall one tighten in the spring (5) of pipe, it is flexible that rotating jacket overcomes the feasible interior pipe of spring force, and the reposition after interior pipe is flexible is owing to the effect of accent spring restoring force is located fast.
2, telescopic sleeve pipe according to claim 1 is characterized in that: described overcoat is involuted up and down by overcoat A portion (31) and overcoat B portion (32), and superposed overcoat A portion is cone table shape, and the overcoat B portion that is positioned at the bottom is cylindric.
3, telescopic sleeve pipe according to claim 2, it is characterized in that: overcoat A subordinate wall is protruding with circular fin (310), have the circular groove (320) that cooperates with circular fin accordingly on the overcoat B portion upper wall, overcoat integral body is formed in the circular groove coupling back of the circular fin of overcoat A portion and overcoat B portion.
4, telescopic sleeve pipe according to claim 3, it is characterized in that: described interior cover (4) is positioned at overcoat B portion and cooperates with overcoat B portion is movable, have cambered way (41) on the outer wall of inside race, overcoat B portion inwall is provided with the projection (321) that can slide in cambered way.
5, telescopic sleeve pipe according to claim 4 is characterized in that: described spring (5) is a cylindrical spring, and on the cover top, the cylindrical spring the other end was fixed on the overcoat A portion inwall in cylindrical spring one end was fixed on.
6, according to the described telescopic sleeve pipe of claim 1～5, it is characterized in that: cover, overcoat A portion and overcoat B portion all adopt plastic cement material to process in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101871894A CN101424288A (en) | 2008-12-12 | 2008-12-12 | Telescopic sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101871894A CN101424288A (en) | 2008-12-12 | 2008-12-12 | Telescopic sleeve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101424288A true CN101424288A (en) | 2009-05-06 |
Family
ID=40615105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101871894A Pending CN101424288A (en) | 2008-12-12 | 2008-12-12 | Telescopic sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101424288A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672794A (en) * | 2012-08-31 | 2014-03-26 | 弥荣(成都)实业有限公司 | Telescopic lamp frame used for bearing workshop illumination lamp |
| CN108728819A (en) * | 2017-04-25 | 2018-11-02 | 北京北方华创微电子装备有限公司 | A kind of attachment device and semiconductor processing equipment |
| CN113882346A (en) * | 2021-08-27 | 2022-01-04 | 国网河北省电力有限公司经济技术研究院 | Non-contact type deep foundation pit detection device |
-
2008
- 2008-12-12 CN CNA2008101871894A patent/CN101424288A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672794A (en) * | 2012-08-31 | 2014-03-26 | 弥荣(成都)实业有限公司 | Telescopic lamp frame used for bearing workshop illumination lamp |
| CN108728819A (en) * | 2017-04-25 | 2018-11-02 | 北京北方华创微电子装备有限公司 | A kind of attachment device and semiconductor processing equipment |
| CN108728819B (en) * | 2017-04-25 | 2020-06-19 | 北京北方华创微电子装备有限公司 | Connecting device and semiconductor processing equipment |
| CN113882346A (en) * | 2021-08-27 | 2022-01-04 | 国网河北省电力有限公司经济技术研究院 | Non-contact type deep foundation pit detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090506 |