CN102121493A - Expansion pipe capable of expanding bilaterally - Google Patents
Expansion pipe capable of expanding bilaterally Download PDFInfo
- Publication number
- CN102121493A CN102121493A CN2010100171331A CN201010017133A CN102121493A CN 102121493 A CN102121493 A CN 102121493A CN 2010100171331 A CN2010100171331 A CN 2010100171331A CN 201010017133 A CN201010017133 A CN 201010017133A CN 102121493 A CN102121493 A CN 102121493A
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- Prior art keywords
- groove
- slide block
- pipe
- lining
- outer tube
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Abstract
The invention discloses an expansion pipe capable of expanding bilaterally. The expansion pipe comprises an inner pipe, an outer pipe, a sealing ring and a locking mechanism, wherein the inner sleeve is sleeved inside the outer pipe; and the locking mechanism is arranged between the inner pipe and the outer pipe and can move bilaterally. In the expansion pipe capable of expanding bilaterally, the two ends of a slide block are provided with return springs which can bilaterally drive an operating sleeve to keep the expansion pipe in an unlocking state, so that the expansion pipe can expand bilaterally and convenience is brought to customers.
Description
Technical field
The present invention relates to a kind of telescopic pipe, be meant a kind of telescopic pipe that can bi-directional expansion especially, belong to pipe; Pipe joint or pipe fitting technical field.
Background technique
In the prior art, telescopic pipe normally is made up of the mutual socket of pipe in an outer tube and, wherein interior pipe outer tube relatively is flexible, also be provided with locking framework between interior pipe and the outer tube, this locking framework can lock interior pipe with outer tube mutually, and this locking framework is made up of sleeve pipe, manipulation sleeve pipe, return spring, locking member usually.This telescopic pipe can only folk prescription to flexible, promptly locking framework can only be toward a direction motion, has only when promoting locking framework toward this direction, interior pipe outer tube relatively is flexible, thereby certain narrow limitation is arranged when using.
Summary of the invention
At the technical problem of above-mentioned existence, but the purpose of this invention is to provide a kind of telescopic pipe of bi-directional expansion.
Realize that technological scheme of the present invention is: but a kind of telescopic pipe of bi-directional expansion comprises interior pipe, outer tube, seal ring, locking framework; Pipe box is located at outer tube inside in described; Described seal ring is arranged between interior pipe and the outer tube; Between pipe and the outer tube, described locking framework can bidirectional-movement in described locking framework was arranged on.
Preferably, described locking framework comprises the tooth bar, lining, slide block, needle roller, Returnning spring, the manipulation cover that are arranged on interior pipe; Described lining is arranged on the outer tube, and described lining is provided with groove, and the bottom of described groove is provided with at least 1 hole that matches with tooth bar; Described needle roller is arranged in the described hole; Described slide block is arranged in the groove; Described slide block is provided with the groove that matches with needle roller, and described Returnning spring has 2, is separately positioned on the two ends of slide block; The top of described slide block is provided with groove, described manipulation put with described slide block on the projection that matches of groove, in order to promote slide block; Described manipulation cover is fixed on the lining; When being in locked position, needle roller is pressed in by slide block in the teeth groove of tooth bar, and when being in non-locked position, needle roller is between the groove of teeth groove and slide block.
Preferably, the most significant end of described tooth bar is a plane.
Preferably, the both sides of described tooth bar are respectively arranged with the groove of tooth bar direction.
Preferably, the oriented outer lug in bi-side of described lining rectangular, described manipulation cover be provided with described lining on rectangular match rectangular, can fix and handle cover, can laterally move simultaneously.
Preferably, the two end part of described slide block are provided with spring eye, and described Returnning spring one end is arranged in the spring eye, and an end is arranged on the inwall of lining groove.
Preferably, described lining is screwed on described outer tube.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
But the telescopic pipe of the present invention program's bi-directional expansion is provided with Returnning spring at the two ends of slide block, and cover is handled in promotion that can twocouese makes telescopic pipe be in unlock state, thereby can the flexible described telescopic pipe of twocouese, can more convenient client use.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
But accompanying drawing 1 is the general assembly explosive view of the telescopic pipe of the present invention's bi-directional expansion;
Accompanying drawing 2 is the stereogram of lining of the present invention;
Accompanying drawing 3 is the plan view of lining of the present invention;
Accompanying drawing 4 is the stereogram of slide block of the present invention;
But accompanying drawing 5 is the lock state figure of the telescopic pipe of the present invention's bi-directional expansion;
But accompanying drawing 6 is the first unlock state figure of the telescopic pipe of the present invention's bi-directional expansion;
But accompanying drawing 7 is the second unlock state figure of the telescopic pipe of the present invention's bi-directional expansion;
Accompanying drawing 8 is I-I cut-away view of the present invention;
Accompanying drawing 9 is H-H cut-away view of the present invention;
Accompanying drawing 10 is D-D cut-away view of the present invention;
Wherein: 1, outer tube; 2, interior pipe; 3, lining; 4, slide block; 5, screw; 6, needle roller; 7, Returnning spring; 8, handle cover; 9, seal ring; 10, tooth bar; 11, groove; 31, groove; 32, hole; 33, rectangular; 41, groove; 42, groove; 43, spring eye; 81, projection; 82, rectangular.
Embodiment:
But the telescopic pipe of a kind of bi-directional expansion of the present invention shown in accompanying drawing 1-10, pipe 2, outer tube 1, seal ring 9, locking framework in comprising; Pipe 2 is set in outer tube 1 inside in described; Described seal ring 9 is arranged between interior pipe 2 and the outer tube 1; Between pipe 2 and the outer tube 1, described locking framework can bidirectional-movement in described locking framework was arranged on; Described locking framework comprises that tooth bar 10, lining 3, slide block 4, needle roller 6, Returnning spring 7, the manipulation of pipe in being arranged on overlaps 8; Described lining 3 is arranged on the outer tube 1, and described lining 3 is provided with groove 31, and the bottom of described groove 31 is provided with at least 1 hole 32 that matches with tooth bar; Described needle roller 6 is arranged in the described hole 32; Described slide block 4 is arranged in the groove 31; Described slide block 4 is provided with the groove 41 that matches with needle roller, and described Returnning spring 7 has 2, is separately positioned on the two ends of slide block 4; The top of described slide block 4 is provided with groove 42, have on the described manipulation cover 8 with described slide block 4 on the projection 81 that matches of groove 42, in order to promote slide block 4; Described manipulation cover 8 is fixed on the lining 3; When being in locked position, needle roller 4 is pressed in by slide block in the teeth groove of tooth bar 10, and when being in non-locked position, needle roller 4 is between the groove 41 of teeth groove 10 and slide block 4; The most significant end of described tooth bar 10 is planes; The both sides of described tooth bar 10 are respectively arranged with the groove 11 of tooth bar direction; The oriented outer lug in bi-side of described lining 3 rectangular 33, described manipulation cover 8 be provided with described lining on rectangular match rectangular 82, can fix and handle cover 8, can laterally move simultaneously; The two end part of described slide block 4 are provided with spring eye 43, and described Returnning spring 7 one ends are arranged in the spring eye 43, and an end is arranged on the inwall of lining groove 31; Described lining 3 usefulness screws 5 are fixed on the described outer tube.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
But the telescopic pipe of the present invention program's bi-directional expansion is provided with Returnning spring at the two ends of slide block, and cover is handled in promotion that can twocouese makes telescopic pipe be in unlock state, thereby can the flexible described telescopic pipe of twocouese, can more convenient client use.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, or any to move mode dull and stereotyped described in the present invention, all drop within the rights protection scope of the present invention.
Claims (7)
1. but the telescopic pipe of a bi-directional expansion comprises interior pipe, outer tube, seal ring, locking framework; Pipe box is located at outer tube inside in described; Described seal ring is arranged between interior pipe and the outer tube; Between pipe and the outer tube, it is characterized in that: described locking framework can bidirectional-movement in described locking framework was arranged on.
2. but the telescopic pipe of bi-directional expansion according to claim 1 is characterized in that: described locking framework comprises tooth bar, lining, slide block, needle roller, Returnning spring, the manipulation cover of pipe in being arranged on; Described lining is arranged on the outer tube, and described lining is provided with groove, and the bottom of described groove is provided with at least 1 hole that matches with tooth bar; Described needle roller is arranged in the described hole; Described slide block is arranged in the groove; Described slide block is provided with the groove that matches with needle roller, and described Returnning spring has 2, is separately positioned on the two ends of slide block; The top of described slide block is provided with groove, described manipulation put with described slide block on the projection that matches of groove, in order to promote slide block; Described manipulation cover is fixed on the lining; When being in locked position, needle roller is pressed in by slide block in the teeth groove of tooth bar, and when being in non-locked position, needle roller is between the groove of teeth groove and slide block.
3. but the telescopic pipe of bi-directional expansion according to claim 1, it is characterized in that: the most significant end of described tooth bar is a plane.
4. but the telescopic pipe of bi-directional expansion according to claim 1, it is characterized in that: the both sides of described tooth bar are respectively arranged with the groove of tooth bar direction.
5. but the telescopic pipe of bi-directional expansion according to claim 1, it is characterized in that: the oriented outer lug in bi-side of described lining rectangular, described manipulation cover be provided with described lining on rectangular match rectangular, can fix and handle cover, can laterally move simultaneously.
But 6. the telescopic pipe of bi-directional expansion according to claim 1, it is characterized in that: the two end part of described slide block are provided with spring eye, and described Returnning spring one end is arranged in the spring eye, and an end is arranged on the inwall of lining groove.
7. but the telescopic pipe of bi-directional expansion according to claim 1, it is characterized in that: described lining is fixed on the described outer tube with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100171331A CN102121493A (en) | 2010-01-08 | 2010-01-08 | Expansion pipe capable of expanding bilaterally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100171331A CN102121493A (en) | 2010-01-08 | 2010-01-08 | Expansion pipe capable of expanding bilaterally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102121493A true CN102121493A (en) | 2011-07-13 |
Family
ID=44250125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100171331A Pending CN102121493A (en) | 2010-01-08 | 2010-01-08 | Expansion pipe capable of expanding bilaterally |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102121493A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263236A (en) * | 2013-05-16 | 2013-08-28 | 邬永龙 | Dust collection pipe capable of being extended and shortened in bi-directional mode |
| CN104605002A (en) * | 2015-02-13 | 2015-05-13 | 刘升永 | Novel semi-automatic discharging type dried fish sun-curing device |
| CN105090186A (en) * | 2015-08-05 | 2015-11-25 | 苏州好洁清洁器具有限公司 | High-strength aluminum alloy telescopic pipe with locking alarm device |
| CN109424607A (en) * | 2017-08-23 | 2019-03-05 | 海麦斯科技有限公司 | Retractable rod structure |
-
2010
- 2010-01-08 CN CN2010100171331A patent/CN102121493A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263236A (en) * | 2013-05-16 | 2013-08-28 | 邬永龙 | Dust collection pipe capable of being extended and shortened in bi-directional mode |
| CN104605002A (en) * | 2015-02-13 | 2015-05-13 | 刘升永 | Novel semi-automatic discharging type dried fish sun-curing device |
| CN105090186A (en) * | 2015-08-05 | 2015-11-25 | 苏州好洁清洁器具有限公司 | High-strength aluminum alloy telescopic pipe with locking alarm device |
| CN109424607A (en) * | 2017-08-23 | 2019-03-05 | 海麦斯科技有限公司 | Retractable rod structure |
| CN109424607B (en) * | 2017-08-23 | 2020-09-22 | 海麦斯科技有限公司 | Telescopic rod component structure |
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| 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 |
Application publication date: 20110713 |