CN1307931C - Telescoping dust collector suction pipe - Google Patents
Telescoping dust collector suction pipe Download PDFInfo
- Publication number
- CN1307931C CN1307931C CNB200510038318XA CN200510038318A CN1307931C CN 1307931 C CN1307931 C CN 1307931C CN B200510038318X A CNB200510038318X A CN B200510038318XA CN 200510038318 A CN200510038318 A CN 200510038318A CN 1307931 C CN1307931 C CN 1307931C
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- CN
- China
- Prior art keywords
- pipe
- outer tube
- locking piece
- stop slider
- sleeve pipe
- 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.)
- Expired - Fee Related
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- Electric Vacuum Cleaner (AREA)
Abstract
The present invention relates to a telescopic suction pipe of a dust collector, which comprises an outer pipe, an inner pipe which is provided with a stop groove, and a locking piece which is matched with the stop groove, wherein a stop slide block is arranged between the outer pipe and the inner pipe, and the locking piece is arranged on the stop slide block. An operating sleeve pipe is sheathed on the outer pipe, a free space is formed in the operating sleeve pipe, and the locking piece can be disengaged from the stop groove to be positioned in the free space. An elastic clamping ring is arranged between the outer pipe and the inner pipe, when the inner pipe bears pressure to enable the whole suction pipe to have a shortened trend, the stop slide block is blocked by the elastic clamping ring, and the elastic clamping ring is pressed to deform; thus, the locking and fixing force between the inner pipe and the outer pipe can be improved.
Description
Technical field
The present invention relates to a kind of telescopic sucking pipe of dust cleaner.
Background technology
Existing telescopic sucking pipe of dust cleaner comprises outer tube, has the interior pipe of the retaining strip that extends vertically, the locking piece that matches with the locking groove of retaining strip, locking piece is arranged on the stop slider, stop slider then is contained on the outer tube and its part and the socket slidably mutually of interior pipe, on stop slider, handle sleeve pipe with axial driving stop slider, make locking piece and locking groove the stretching of incompatible realization dust collector suction pipe that match around having.But when this suction pipe is subjected to bigger axial impact force, even locked between outer tube and the interior pipe, still can damage because of stop slider produces the locking mechanism of axially-movable between causing between outer tube and the interior pipe, its dependability is lower.
Summary of the invention
The object of the invention provides a kind of telescopic sucking pipe of dust cleaner, and its outer tube and interior pipe can cushion the suffered impulsive force of locking device when axially being hit power.
Technical scheme of the present invention is: a kind of telescopic sucking pipe of dust cleaner, comprise outer tube, have vertically the interior pipe of the retaining strip that extends, the locking piece that at least one matches with the locking groove of retaining strip and acts on, pipe is inserted in the outer tube slidably in described, be provided with stop slider between described outer tube and the interior pipe, described stop slider contacts with the outer surface of interior pipe, and described locking piece is arranged on the described stop slider.Be with the manipulation sleeve pipe on the described outer tube slidably, have at least one free space for the locking piece displacement in the described manipulation sleeve pipe, described locking piece can break away from locking groove and be positioned at free space.Be provided with the elasticity clamping ring between described outer tube and the interior pipe, the end of this elasticity clamping ring contacts with the end of described stop slider, be under pressure when making that whole suction pipe has the trend of shortening at interior pipe, described elasticity clamping ring blocks stop slider, and described elasticity clamping ring be close to described on the inner surface of the outer surface of pipe and outer tube.
The present invention compared with prior art, has following advantage: when outer tube or interior pipe are subjected to axial impulsive force, stop slider produces axially-movable, the elasticity clamping ring blocks stop slider when interior pipe has the trend of moving in outer tube, make elasticity clamping ring compressive deformation, thus the frictional force between pipe and the outer tube in can improving, and the locking force between interior pipe and the outer tube strengthens, and because the cushioning effect of elasticity clamping ring can reduce the probability that stop slider is damaged.
Description of drawings
Accompanying drawing 1 is a upward view of the present invention;
Accompanying drawing 3 is the main cutaway view of interior pipe of the present invention;
Accompanying drawing 4 is the main cutaway view of the present invention when outer tube and interior pipe are locked;
Accompanying drawing 5 is the main cutaway view one of the present invention when outer tube and interior pipe are unlocked;
Accompanying drawing 6 is the main cutaway view two of the present invention when outer tube and interior pipe are unlocked;
Accompanying drawing 7 is a longitudinal section of the present invention;
Wherein: 1, interior pipe; 2, outer tube; 3, retaining strip; 4, locking groove; 5, handle sleeve pipe; 6, lower-pilot sleeve pipe; 7, handle sleeve pipe on; 8, drive end bearing bracket; 9, guiding end cap; 10, guide runner; 11, stop slider; 12, compacting ring; 13, elasticity clamping ring; 14, spacing guide collar; 15, rear end cap; 16, locking piece; 17, gathering sill; 18, preceding back-moving spring; 19, back back-moving spring; 20, spline raised line; 21, guiding raised line; 22, free space;
The specific embodiment
Referring to accompanying drawing 1-accompanying drawing 7, a kind of telescopic sucking pipe of dust cleaner, comprise outer tube 2, have vertically the interior pipe 1 of the retaining strip 3 that extends, the locking piece 16 that at least one matches with the locking groove 4 of retaining strip 3 and acts on, pipe 1 is inserted in the outer tube 2 slidably in described, be provided with stop slider 11 between described outer tube 2 and the interior pipe 1, described stop slider 11 contacts with the outer surface of interior pipe 1, and described locking piece 16 is arranged on the described stop slider 11.Be with slidably on the described outer tube 2 and handle sleeve pipe 5, have at least one free space 22 for locking piece 16 displacements in the described manipulation sleeve pipe 5, described locking piece 16 can break away from locking groove 4 and be positioned at free space 22.
Referring to accompanying drawing 2, accompanying drawing 4-accompanying drawing 7, be provided with compacting ring 12 in the described manipulation sleeve pipe 5, the both sides of described manipulation sleeve pipe 5 inherent compacting rings 12 have free space 22 respectively.When described compacting ring 12 is located in the locking groove 4 at locking piece 16 outsides compressing locking piece 16, described interior pipe 1 and outer tube 2 relative fixed, when described compacting ring 12 left the outside of locking piece 16, described interior pipe 1 was inserted in the outer tube 2 slidably.Move and handle sleeve pipe 5, make compacting ring 12 on outer tube 2, move, when the outside of compacting ring 12 offset-lock spares 16, locking piece 16 is promptly facing to free space 22, this moment is pipe 1 in outer tube 2 moves, make locking piece 16 leave locking groove 4 and in the freedom of entry space 22, this dust collector suction pipe can telescopic adjustment length (seeing accompanying drawing 5, accompanying drawing 6); When compacting ring 12 during at the outside of locking piece 16 compressing locking piece 16, locking piece 16 promptly is inserted in the locking groove 4, and interior pipe 1 is promptly locked with outer tube 2, and this dust collector suction pipe can't stretch and length is fixed.The end of described locking piece 16 and stop slider 11 elasticity connection mutually make locking piece 16 relative stop slider 11 flexibly to move, so that locking piece 16 turnover locking grooves 4.
Be provided with elastic component between described manipulation sleeve pipe 5 and the outer tube 2, this elastic component provides at least one axial reset force to handling sleeve pipe 5.Described elastic component comprises preceding back-moving spring 18, back back-moving spring 19, the end of described outer tube 2 is fixed with the guiding end cap 9 of annular, back-moving spring 18 is connected between the end and guiding end cap 9 of handling sleeve pipe 5 before described, and described back back-moving spring 19 is connected between the other end and outer tube 2 of handling sleeve pipe 5.After mobile manipulation sleeve pipe 5 makes that compacting ring 12 discharges locking pieces 16, interior pipe 1 outer tube 2 relatively slides, and after length adjustment is extremely suitable, then unclamps manipulation sleeve pipe 5, elastic component provides axial restoring force for manipulation sleeve pipe 5, and is locked automatically between pipe 1 and the outer tube 2 in making.
The end of described outer tube 2 is fixed with the guiding end cap 9 of annular, and the inboard of described guiding end cap 9 is provided with guiding raised line 21, and described interior pipe 1 is provided with gathering sill 17, and described guiding raised line 21 is inserted in the gathering sill 17 slidably.When interior pipe 1 relative outer tube 2 slides so that the length of this dust collector suction pipe is done to regulate, by cooperating of guiding raised line 21 and gathering sill 17, pipe 1 relative outer tube 2 only can slide vertically in making, can avoid producing the displacement of circumferencial direction, thereby guarantees that locking piece 16 is accurate with the contraposition of locking groove 4.The two ends of described stop slider 11 are to being connected to the two ends of the guide runner 10 between interior pipe 1 and outer tube 2, and the inboard of described guide runner 10 is provided with spline raised line 20, and described spline raised line 20 is inserted in the described gathering sill 17 slidably.By spline raised line 20 mating reaction, can prevent that stop slider 11 internally manages 1 mutually and produce the motion of circumferencial direction, thereby can further guarantee the accurate contraposition of locking piece 16 and locking groove 4 with gathering sill 17.
Be provided with elasticity clamping ring 13 between described outer tube 2 and the interior pipe 1, the end of this elasticity clamping ring 13 contacts with the end of described stop slider 11, be under pressure when making that whole suction pipe has the trend of shortening at interior pipe 1, described elasticity clamping ring 13 blocks stop slider 11, and described elasticity clamping ring 13 be close to described on the inner surface of pipe 1 outer surface and outer tube 2.When suction pipe falls from the high-altitude or because when human operational error and colliding surface, this suction pipe promptly is subjected to axial impulsive force, interior pipe 1 relative outer tube 2 vibrations, stop slider 11 promptly produces axially-movable, makes elasticity clamping ring 13 be compressed distortion, thereby can improve the latching force between interior pipe 1 and the outer tube 2, pipe 1 and outer tube 2 relative slips in preventing, and simultaneously, because the cushioning effect of elasticity clamping ring 13, can reduce by stop slider 11 is the main impaired probability of locking mechanism.
Claims (8)
1, a kind of telescopic sucking pipe of dust cleaner, comprise outer tube [2], interior pipe [1] with the retaining strip [3] that extends vertically, the locking piece [16] of at least one effect of matching with the locking groove [4] of retaining strip [3], pipe [1] is inserted in the outer tube [2] slidably in described, it is characterized in that: be provided with stop slider [11] between described outer tube [2] and the interior pipe [1], described stop slider [11] contacts with the outer surface of interior pipe [1], described locking piece [16] is arranged on the described stop slider [11], and the both ends in a circumferential direction of described stop slider [11] are to being connected to the both ends in a circumferential direction that are positioned at the guide runner [10] between pipe [1] and the outer tube [2]; Be with slidably on the described outer tube [2] and handle sleeve pipe [5], has at least one free space [22] in the described manipulation sleeve pipe [5] for locking piece [16] displacement, described locking piece [16] can break away from locking groove [4] and be positioned at free space [22], be provided with elasticity clamping ring [13] between described outer tube [2] and the interior pipe [1], the end of this elasticity clamping ring [13] contacts with the end of described stop slider [11], be under pressure when making that whole suction pipe has the trend of shortening at interior pipe [1], described elasticity clamping ring [13] blocks stop slider [11], and described elasticity clamping ring [13] be close to described on the inner surface of the pipe outer surface of [1] and outer tube [2].
2, telescopic sucking pipe of dust cleaner according to claim 1, it is characterized in that: the end of described outer tube [2] is fixed with the guiding end cap [9] of annular, the inboard of described guiding end cap [9] is provided with guiding raised line [21], pipe [1] is provided with gathering sill [17] in described, and described guiding raised line [21] is inserted in the gathering sill [17] slidably.
3, telescopic sucking pipe of dust cleaner according to claim 2 is characterized in that: the inboard of described guide runner [10] is provided with spline raised line [20], and described spline raised line [20] is inserted in the described gathering sill [17] slidably.
4, telescopic sucking pipe of dust cleaner according to claim 1, it is characterized in that: the inboard of described manipulation sleeve pipe [5] is provided with compacting ring [12], when described compacting ring [12] is located in the locking groove [4] at the outside compressing locking piece [16] of locking piece [16], pipe [1] relative locking in described with outer tube [2], when described compacting ring [12] leaves the outside of locking piece [16], described interior [1] and described outer tube [2] release mutually of managing.
5, telescopic sucking pipe of dust cleaner according to claim 4 is characterized in that: the both sides of the inherent compacting ring of described manipulation sleeve pipe [5] [12] have free space [22] respectively.
6, telescopic sucking pipe of dust cleaner according to claim 1 is characterized in that: the end of described locking piece [16] and stop slider [11] elasticity connection mutually.
7, telescopic sucking pipe of dust cleaner according to claim 1 is characterized in that: be provided with elastic component between described manipulation sleeve pipe [5] and the outer tube [2], this elastic component provides at least one axial reset force to handling sleeve pipe [5].
8, telescopic sucking pipe of dust cleaner according to claim 7, it is characterized in that: described elastic component comprises preceding back-moving spring [18], back back-moving spring [19], the end of described outer tube [2] is fixed with the guiding end cap [9] of annular, back-moving spring [18] is connected between the end and guiding end cap [9] of handling sleeve pipe [5] before described, and described back back-moving spring [19] is connected between the other end and outer tube [2] of handling sleeve pipe [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510038318XA CN1307931C (en) | 2005-02-05 | 2005-02-05 | Telescoping dust collector suction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510038318XA CN1307931C (en) | 2005-02-05 | 2005-02-05 | Telescoping dust collector suction pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1650793A CN1650793A (en) | 2005-08-10 |
| CN1307931C true CN1307931C (en) | 2007-04-04 |
Family
ID=34876265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510038318XA Expired - Fee Related CN1307931C (en) | 2005-02-05 | 2005-02-05 | Telescoping dust collector suction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1307931C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372493C (en) * | 2006-03-30 | 2008-03-05 | 余进兴 | Telescopic pipe for dust collector |
| CN102652653B (en) * | 2012-05-09 | 2014-10-08 | 江苏国新金属制品有限公司 | Expansion pipe for vacuum cleaner |
| DE102016104557A1 (en) * | 2016-03-12 | 2017-09-14 | Fischer Rohrtechnik Gmbh | Vacuum cleaner suction tube |
| CN106264333A (en) * | 2016-08-30 | 2017-01-04 | 张家港市顺祺贸易有限公司 | A kind of dust collector expansion pipe |
| CN111005568B (en) * | 2019-12-06 | 2021-05-14 | 中建五局土木工程有限公司 | Gear ring type rotatable pump pipe connecting sleeve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4200526C1 (en) * | 1992-01-11 | 1993-02-18 | Carl Froh Roehrenwerk Gmbh & Co, 5768 Sundern, De | |
| CN2245953Y (en) * | 1995-09-07 | 1997-01-29 | 苏州工业园区娄葑帕雷米电器厂 | Extension long connecting tube of dust collector |
| CN2320192Y (en) * | 1998-02-09 | 1999-05-26 | 苏州新区威尔电器有限公司 | Expansion pipe of suction cleaner |
| WO2000067631A1 (en) * | 1999-05-10 | 2000-11-16 | Kwang Dong Precision Co., Ltd. | A length adjusting device for suction pipe of vacuum cleaner |
| CN1368861A (en) * | 2000-06-21 | 2002-09-11 | 希日传司舍电子有限公司 | Length adjustment device of suction extension pipe for vacuum cleaner |
| CN1105544C (en) * | 1997-02-14 | 2003-04-16 | 弗罗豪斯技术两合公司 | Telescopic sucking pipe of dust cleaner |
-
2005
- 2005-02-05 CN CNB200510038318XA patent/CN1307931C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4200526C1 (en) * | 1992-01-11 | 1993-02-18 | Carl Froh Roehrenwerk Gmbh & Co, 5768 Sundern, De | |
| CN2245953Y (en) * | 1995-09-07 | 1997-01-29 | 苏州工业园区娄葑帕雷米电器厂 | Extension long connecting tube of dust collector |
| CN1105544C (en) * | 1997-02-14 | 2003-04-16 | 弗罗豪斯技术两合公司 | Telescopic sucking pipe of dust cleaner |
| CN2320192Y (en) * | 1998-02-09 | 1999-05-26 | 苏州新区威尔电器有限公司 | Expansion pipe of suction cleaner |
| WO2000067631A1 (en) * | 1999-05-10 | 2000-11-16 | Kwang Dong Precision Co., Ltd. | A length adjusting device for suction pipe of vacuum cleaner |
| CN1368861A (en) * | 2000-06-21 | 2002-09-11 | 希日传司舍电子有限公司 | Length adjustment device of suction extension pipe for vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1650793A (en) | 2005-08-10 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 |