CN1751649A - Telescopic sucking tube of vacuum cleaner - Google Patents
Telescopic sucking tube of vacuum cleaner Download PDFInfo
- Publication number
- CN1751649A CN1751649A CN 200510095079 CN200510095079A CN1751649A CN 1751649 A CN1751649 A CN 1751649A CN 200510095079 CN200510095079 CN 200510095079 CN 200510095079 A CN200510095079 A CN 200510095079A CN 1751649 A CN1751649 A CN 1751649A
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- retainer
- casting die
- expansion segment
- installing rack
- semi
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Abstract
A telescopic suction pipe for cleaner is composed of an external tuber, an internal tube, a locking part matched with a slot on internal tube for locking the internal tube to the external one, a pressing part for controlling the working position of locking part by moving it, and a holder of said pressing and locking parts, which is arranged on external tube and has a guide slot of said locking part.
Description
Technical field
The present invention relates to the telescopic sucking tube on a kind of dust catcher.
Background technology
Telescopic sucking tube on the existing dust catcher is with reference to European patent EP 0293518B1, it comprises outer tube, interior pipe, is arranged at retainer, casting die on the outer tube, when casting die is pressed on the retainer, retainer cooperates with locking groove on the inner tube outer surface outer tube and interior pipe in axial locking, and casting die is promptly opened a free space towards locking groove to retainer after leaving the retainer top; Between outer tube and interior pipe, be provided with the bushing pipe of an annular, has a convex tendon that extends vertically on this bushing pipe, has a gathering sill that extends vertically on the outer surface of interior pipe, make that by the convex tendon and the cooperation of gathering sill outer tube and interior pipe can only be in axially relative slips, also have a pilot hole on the bushing pipe, be used for guiding retainer when retainer breaks away from or enters in the locking groove, and, bushing pipe play the guiding role to the mobile of casting die, so casting die is contained between bushing pipe and the outer tube, bushing pipe must be designed to integral ring-shaped, and its axial length is also longer, makes that the required consumptive material of production is many, the production cost height.
Summary of the invention
The object of the invention provides the telescopic sucking tube on a kind of dust catcher, and it can reduce the axial length of bushing pipe.
Technical scheme of the present invention is: the telescopic sucking tube on a kind of dust catcher comprises
Outer tube, the end of this outer tube has the expansion segment that radially becomes big;
Interior pipe, outer surface of pipe has the retaining strip that extends vertically in this, and this retaining strip comprises a plurality of locking grooves;
At least one retainer, this retainer makes outer tube and interior pipe axially being locked by relative with the locking groove mating reaction of described retaining strip;
Casting die, this casting die can independently move and make retainer be in two operating positions of the locking and unlocking, when retainer is in latched position, described retainer is compressed by casting die and retainer is inserted in the locking groove, when retainer is in the unlocked position, described casting die moves the back and opens a free space towards locking groove to retainer, makes described retainer can leave locking groove;
Rotation preventive mechanism, this rotation preventive mechanism comprise be arranged at vertically described on the outer surface of pipe gathering sill, be arranged at the lining between described expansion segment and the interior pipe, described lining and expansion segment are fixedly connected, have on the inner surface of described lining along the positioning convex of the radial protrusion of interior pipe, described positioning convex is inserted in the gathering sill;
Have installing hole on the described expansion segment, be provided with in this installing hole and the relatively-stationary installing rack of outer tube, be provided with casting die on the described installing rack slidably, described lining and described installing rack are two individual components of split.
Have chute on the described installing rack, what described casting die can be along expansion segment is positioned at this chute axially slidably.
Cover is useful on the manipulation sleeve pipe that the control casting die moves on the expansion segment of described outer tube, at least be provided with a return springs between described manipulation sleeve pipe and the outer tube, this return springs provides an axial reset force at least, described manipulation sleeve pipe comprises first semi-ring cover and the second semi-ring cover, described first semi-ring cover detachably connects with second semi-ring cover, the inside portion of described second semi-ring cover has at least two reversed columns of radially extending, have at least two dial holes on the described installing rack, described each reversed column is passed corresponding dial hole and is positioned at the sidepiece of casting die, and described reversed column is used to stir described casting die and is moving axially.
Have accepting hole on the expansion segment of described outer tube, be provided with resetting block in the described accepting hole, be respectively arranged with return springs between the both ends of resetting block and expansion segment, described resetting block is connected with the first semi-ring cover.
Have reset hole on the described resetting block, the inside portion of described first semi-ring cover has reset post, and described reset post is inserted in the reset hole.
Have unlock hole on the described retainer, has stop protrusion on the described retainer towards interior pipe projection, has compressed part on the described casting die towards interior pipe projection, the side portion of described compressed part is a free space, when described retainer is in latched position, described compressed part is pressed in the stop protrusion top, makes stop protrusion be positioned in the locking groove; When described retainer was in the unlocked position, described free space made stop protrusion can move in the free space facing to stop protrusion, and described unlock hole is then relative with compressed part, makes compressed part to insert in the unlock hole.
Have at least two compressed part on the described casting die, described free space is between two adjacent compressed part.
Have breach on the described lining, the arc length of described lining is greater than the semi-perimeter of its place circumference, and the width of described breach is more than or equal to the width of the widest part of installing rack, and described lining is positioned at end one side of installing rack.
Being provided with installing rack between described expansion segment and the interior pipe is the pad of two body structures, described pad and expansion segment are fixedly connected, this pad is positioned at a side relative with installing rack, described pad is positioned at a side of the close port part of expansion segment, and described lining is positioned at the side away from port part of expansion segment.
Have the radially convex tendon of projection on the inner surface of described pad, this convex tendon is inserted in the gathering sill.
Have the retainer guide groove on the described installing rack, described retainer is positioned at the retainer guide groove slidably.
The present invention compared with prior art, has following advantage: installing rack is set on the outer tube, casting die and retainer are contained in the installing rack, between outer tube and interior pipe, the lining that start-stop transfers to usefulness is set, lining and installing rack are split up into two bodies, so lining and installing rack are less with material, thereby can effectively reduce the raw material use amount of this suction pipe, reduce use cost.
Description of drawings
Accompanying drawing 1 is a three-dimensional exploded view of the present invention;
Accompanying drawing 2 is the main cutaway view of the present invention when retainer is in latched position;
Accompanying drawing 3 is the main cutaway view one (when operation sleeve pipe left-hand move) of the present invention when retainer is in the unlocked position;
Accompanying drawing 4 is the main cutaway view two (when operation sleeve pipe dextrad move) of the present invention when retainer is in the unlocked position;
Accompanying drawing 5 is the left view of lining of the present invention;
Accompanying drawing 6 is the vertical view of interior pipe of the present invention;
Wherein: 1, outer tube 2, interior pipe 3, first semi-ring cover, 4, second semi-ring cover 5, sealing ring; 6, gathering sill 7, resetting block 8, reset hole 9, return springs 10, lining 11, breach; 12, installing rack 13, casting die 14, retainer 15, unlock hole 16, compressed part 17, free space 18, end cap 19, accepting hole 20, stop protrusion 21, dial hole 22, chute 23, retainer guide groove 24, reversed column 25, reset post 26, expansion segment; 27, retaining strip 28, locking groove 29, installing hole 30, positioning convex 31, pad 32, convex tendon.
The specific embodiment
Referring to accompanying drawing 1-accompanying drawing 6, the telescopic sucking tube on a kind of dust catcher comprises
At least one retainer 14, this retainer 14 makes outer tube 1 and interior pipe 2 axially being locked by relative with locking groove 28 mating reactions of described retaining strip 27;
Casting die 13, this casting die 13 can independently move and make retainer 14 be in two operating positions of the locking and unlocking, when retainer 14 is in latched position, described retainer 14 is compressed and is inserted in the locking groove 28 by casting die 13, when retainer 14 is in the unlocked position, described casting die 13 moves the back and opens a free space 17 towards locking groove 28 for retainer 14, makes described retainer 14 can leave locking groove 28;
Rotation preventive mechanism, this rotation preventive mechanism comprise be arranged at vertically described on pipe 2 the outer surface gathering sill 6, be arranged at the lining 10 between described expansion segment 26 and the interior pipe 2, described lining 10 is fixedly connected with expansion segment 26, have on the inner surface of described lining 10 along the positioning convex 30 of the radial protrusion of interior pipe 2, described positioning convex 30 is inserted in the gathering sill 6;
Have installing hole 29 on the described expansion segment 26, be provided with in this installing hole 29 and outer tube 1 relatively-stationary installing rack 12, be provided with casting die 13 slidably on the described installing rack 12, have retainer guide groove 23 on the described installing rack 12, described retainer 14 is positioned at retainer guide groove 23 slidably, and described lining 10 is two individual components of split with described installing rack 12.Have chute 22 on the described installing rack 12, what described casting die 13 can be along expansion segment 26 is positioned at this chute 22 axially slidably.
Cover is useful on control casting die 13 and is moved to the left (as accompanying drawing 3) or the manipulation sleeve pipe of move right (as accompanying drawing 4) on the expansion segment 26 of described outer tube 1, at least be provided with a return springs 9 between described manipulation sleeve pipe and the outer tube 1, this return springs 9 provides an axial reset force at least, described manipulation sleeve pipe comprises first semi-ring cover, 3 and second semi-ring cover 4, described first semi-ring cover, 3 and second semi-ring cover 4 detachably connects, the inside portion of described second semi-ring cover 4 has at least two reversed columns 24 of radially extending, have at least two dial holes 21 on the described installing rack 12, described each reversed column 24 is passed corresponding dial hole 21 and is positioned at the sidepiece of casting die 13, and described reversed column 24 is used to stir described casting die 13 and is axially moving to the left or to the right.First semi-ring cover, 3 and second semi-ring overlaps 4 split settings, be convenient to handle the installation of sleeve pipe, and the both ends at first semi-ring cover, 3 and second semi-ring cover 4 also are connected with end cap 18 respectively, 18 pairs first semi-rings of this end cap overlap 3 and second semi-ring cover 4 and play the banding effect, can prevent that first semi-ring cover, 3, second semi-ring cover 4 from separating when operation.
Have accepting hole 19 on the expansion segment 26 of described outer tube 1, be provided with resetting block 7 in the described accepting hole 19, be respectively arranged with return springs 9 between the both ends of resetting block 7 and expansion segment 26, described resetting block 7 is connected with first semi-ring cover 3.
Have reset hole 8 on the described resetting block 7, the inside portion of described first semi-ring cover 3 has reset post 25, and described reset post 25 is inserted in the reset hole 8.
Have unlock hole 15 on the described retainer 14, has stop protrusion 20 on the described retainer 14 towards interior pipe 2 projectioies, has compressed part 16 on the described casting die 13 towards interior pipe 2 projectioies, the side portion of described compressed part 16 is a free space 17, when described retainer 14 is in latched position, described compressed part 16 is pressed in stop protrusion 20 tops, makes stop protrusion 20 be positioned in the locking groove 28; When described retainer 14 was in the unlocked position, described free space 17 made stop protrusion 20 can move in the free space 17 facing to stop protrusion 20, and 15 of described unlock holes are relative with compressed part 16, make compressed part 16 can insert in the unlock hole 15.
Have at least two compressed part 16 on the described casting die 13, described free space 17 is between two adjacent compressed part 16.
Referring to accompanying drawing 5, have breach 11 on the described lining 10, the arc length of described lining 10 is greater than the semi-perimeter of its place circumference, and the width of described breach 11 is more than or equal to the width of the widest part of installing rack 12, and described breach 11 and installing rack 12 misplace on the circumferencial direction of outer tube 1 mutually.Gap 11 on the lining 10, make that lining 10 when mounted can be by breach 11 facing to installing rack 12 and move axially, and after the installation, with angle of interior pipe 2 rotations, breach 11 and installing rack 12 are staggered in a circumferential direction, and described lining 10 is positioned at end one side of installing rack 12, at interior pipe 2 outside when mobile, lining 10 cooperates the spacing effect that stops of playing with installing rack 12, extract in outer tube 1 with pipe 2 in preventing.
Be provided with pad 31 between the expansion segment 26 of described outer tube 1 and the interior pipe 2, described pad 31 is fixedly connected with expansion segment 26, this pad 31 is positioned at a side relative with installing rack 12, described pad 31 is positioned at a side of the close port part of expansion segment 26, and described lining 10 is positioned at the side away from port part of expansion segment 26.Have the radially convex tendon 32 of projection on the inner surface of described pad 31, this convex tendon 32 is inserted in the gathering sill 6.
By cooperating of positioning convex 30 and gathering sill 6 and convex tendon 32 and gathering sill 6, pipe 2 relative outer tubes 1 can only endwisely slip in making, simultaneously, by the cooperate location of lining 10 with pad 31 and installing rack 12, pipe 2 is positioned in the center of outer tube 1 in making, pipe 2 rocks in outer tube 1 in can preventing, to improve Practical Performance of the present invention.
Shown in accompanying drawing 2, when compressed part 16 is pressed on the stop protrusion 20, stop protrusion 20 be inserted in the locking groove 28 and with outer tube 1 and interior pipe 2 in axial locking, at this moment, resetting block 7 is in stable state in accepting hole 19, the return springs 9 at its both ends also in the raw; Shown in accompanying drawing 3, outwards (be shown as the right side among the figure) and pulled out interior pipe at 2 o'clock, hold the manipulation sleeve pipe, handling sleeve pipe is that relative outer tube 1 moves to left, the return springs 9 in resetting block 7 left sides is compressed, the return springs 9 on resetting block 7 right sides is stretched, reversed column 24 is then stirred casting die 13, make compressed part 16 skews and face toward unlock hole 15, at this moment, free space 17 is facing to stop protrusion 20, makes stop protrusion 20 jump out of locking groove 28 and in the freedom of entry space 17,16 of compressed part are inserted in the unlock hole 15, and interior pipe 2 can be pulled; Shown in accompanying drawing 4, pipe 2 in can oppositely spurring; And after unclamping the manipulation sleeve pipe, effect lower-pilot sleeve pipe in return springs 9 resets, when interior pipe 2 moves segment distance and makes stop protrusion 20 just facing to locking groove 28, casting die 13 resets under the toggle action of reversed column 24, the compressed part 16 of casting die 13 is pressed on the stop protrusion 20 and makes retainer 14 automatically revert to latched position, and outer tube 1 is a relative positioning with interior pipe 2.
Claims (11)
1, the telescopic sucking tube on a kind of dust catcher comprises
Outer tube (1), the end of this outer tube (1) have the expansion segment (26) that radially becomes big;
Interior pipe (2), outer surface of pipe (2) has the retaining strip (27) that extends vertically in this, and this retaining strip (27) comprises a plurality of locking grooves (28);
At least one retainer (14), this retainer (14) makes outer tube (1) and interior pipe (2) axially being locked by relative with locking groove (28) mating reaction of described retaining strip (27);
Casting die (13), this casting die (13) can independently move and make retainer (14) be in two operating positions of the locking and unlocking, at retainer (14) when being in latched position, described retainer (14) is compressed by casting die (13) and retainer (14) is inserted in the locking groove (28), at retainer (14) when being in the unlocked position, described casting die (13) moves the back and opens a free space towards locking groove (28) (17) for retainer (14), makes described retainer (14) can leave locking groove (28);
Rotation preventive mechanism, this rotation preventive mechanism comprise be arranged at vertically described in the pipe (2) outer surface on gathering sill (6), be arranged at the lining (10) between described expansion segment (26) and the interior pipe (2), described lining (10) is fixedly connected with expansion segment (26), have on the inner surface of described lining (10) along the positioning convex (30) of the radial protrusion of interior pipe (2), described positioning convex (30) is inserted in the gathering sill (6);
It is characterized in that: have installing hole (29) on the described expansion segment (26), be provided with in this installing hole (29) and the relatively-stationary installing rack of outer tube (1) (12), be provided with casting die (13) on the described installing rack (12) slidably, described lining (10) is two individual components of split with described installing rack (12).
2, the telescopic sucking tube on the dust catcher according to claim 1 is characterized in that: have chute (22) on the described installing rack (12), what described casting die (13) can be along expansion segment (26) is positioned at this chute (22) axially slidably.
3, telescopic sucking tube on the dust catcher according to claim 1, it is characterized in that: the expansion segment (26) of described outer tube (1) is gone up cover and is useful on the manipulation sleeve pipe that control casting die (13) moves, at least be provided with a return springs (9) between described manipulation sleeve pipe and the outer tube (1), this return springs (9) provides an axial reset force at least, described manipulation sleeve pipe comprises the first semi-ring cover (3) and the second semi-ring cover (4), the described first semi-ring cover (3) detachably connects with the second semi-ring cover (4), the inside portion of the described second semi-ring cover (4) has at least two reversed columns (24) of radially extending, have at least two dial holes (21) on the described installing rack (12), described each reversed column (24) is passed corresponding dial hole (21) and is positioned at the sidepiece of casting die (13), and described reversed column (24) is used to stir described casting die (13) and is moving axially.
4, the telescopic sucking tube on the dust catcher according to claim 3, it is characterized in that: have accepting hole (19) on the expansion segment (26) of described outer tube (1), be provided with resetting block (7) in the described accepting hole (19), be respectively arranged with return springs (9) between the both ends of resetting block (7) and expansion segment (26), described resetting block (7) is connected with the first semi-ring cover (3).
5, the telescopic sucking tube on the dust catcher according to claim 4, it is characterized in that: have reset hole (8) on the described resetting block (7), the inside portion of the described first semi-ring cover (3) has reset post (25), and described reset post (25) is inserted in the reset hole (8).
6, telescopic sucking tube on the dust catcher according to claim 1, it is characterized in that: have unlock hole (15) on the described retainer (14), has stop protrusion (20) on the described retainer (14) towards interior pipe (2) projection, has compressed part (16) on the described casting die (13) towards interior pipe (2) projection, the side portion of described compressed part (16) is free space (17), when described retainer (14) when being in latched position, described compressed part (16) is pressed in stop protrusion (20) top, makes stop protrusion (20) be positioned in the locking groove (28); When described retainer (14) when being in the unlocked position, described free space (17) is facing to stop protrusion (20), make stop protrusion (20) can move in the free space (17), described unlock hole (15) is then relative with compressed part (16), makes compressed part (16) can insert in the unlock hole (15).
7, the telescopic sucking tube on the dust catcher according to claim 6 is characterized in that: have at least two compressed part (16) on the described casting die (13), described free space (17) is positioned between adjacent two compressed part (16).
8, the telescopic sucking tube on the dust catcher according to claim 1, it is characterized in that: have breach (11) on the described lining (10), the arc length of described lining (10) is greater than the semi-perimeter of its place circumference, the width of described breach (11) is more than or equal to the width of the widest part of installing rack (12), and described lining (10) is positioned at end one side of installing rack (12).
9, the telescopic sucking tube on the dust catcher according to claim 1, it is characterized in that: be provided with between described expansion segment (26) and the interior pipe (2) with installing rack (12) be the pad (31) of two body structures, described pad (31) is fixedly connected with expansion segment (26), this pad (31) is positioned at a side relative with installing rack (12), described pad (31) is positioned at a side of the close port part of expansion segment (26), and described lining (10) is positioned at the side away from port part of expansion segment (26).
10, the telescopic sucking tube on the dust catcher according to claim 9 is characterized in that: have the radially convex tendon (32) of projection on the inner surface of described pad (31), this convex tendon (32) is inserted in the gathering sill (6).
11, the telescopic sucking tube on the dust catcher according to claim 1 is characterized in that: have retainer guide groove (23) on the described installing rack (12), described retainer (14) is positioned at retainer guide groove (23) slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100950791A CN100367902C (en) | 2005-10-24 | 2005-10-24 | Telescopic sucking tube of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100950791A CN100367902C (en) | 2005-10-24 | 2005-10-24 | Telescopic sucking tube of vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1751649A true CN1751649A (en) | 2006-03-29 |
| CN100367902C CN100367902C (en) | 2008-02-13 |
Family
ID=36678734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100950791A Expired - Fee Related CN100367902C (en) | 2005-10-24 | 2005-10-24 | Telescopic sucking tube of vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100367902C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007112839A1 (en) * | 2006-03-31 | 2007-10-11 | Omec S.P.A. | Telescopic extension for an electric household appliance |
| CN100372492C (en) * | 2006-03-30 | 2008-03-05 | 余进兴 | Telescopic pipe for dust collector |
| CN101816538A (en) * | 2010-04-20 | 2010-09-01 | 余进兴 | Telescopic tube of dust collector |
| CN102652653A (en) * | 2012-05-09 | 2012-09-05 | 江苏国新金属制品有限公司 | Expansion pipe for vacuum cleaner |
| CN107184151A (en) * | 2017-07-18 | 2017-09-22 | 苏州市欧陆杰电器有限公司 | Telescopic pipe for cleaner |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3776902D1 (en) * | 1987-06-03 | 1992-04-02 | Froh Roehren | TELESCOPICIC VACUUM CLEANER. |
| 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 |
| DK1033103T3 (en) * | 1999-02-22 | 2003-10-13 | Froh House Tech Gmbh & Co Kg | Telescopic vacuum cleaner suction pipe |
| KR200185773Y1 (en) * | 1999-12-11 | 2000-06-15 | 광동정밀주식회사 | Device for adjusting suction pipe length of a vacuum cleaner |
| CN1150852C (en) * | 2000-06-21 | 2004-05-26 | 希日传司舍电子有限公司 | Length adjustment device of suction extension pipe for vacuum cleaner |
| DE10059052A1 (en) * | 2000-11-28 | 2002-06-06 | Froh House Tech Gmbh & Co Kg | Telescopic vacuum cleaner suction pipe |
| CN1303933C (en) * | 2004-12-15 | 2007-03-14 | 徐为尔 | Sucker of vacuum cleaner |
-
2005
- 2005-10-24 CN CNB2005100950791A patent/CN100367902C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372492C (en) * | 2006-03-30 | 2008-03-05 | 余进兴 | Telescopic pipe for dust collector |
| WO2007112839A1 (en) * | 2006-03-31 | 2007-10-11 | Omec S.P.A. | Telescopic extension for an electric household appliance |
| US8038173B2 (en) | 2006-03-31 | 2011-10-18 | Omec S.P.A. | Telescopic extension for an electric household appliance |
| TWI393548B (en) * | 2006-03-31 | 2013-04-21 | Omec Spa | Telescopic extension for an electric household appliance |
| CN101816538A (en) * | 2010-04-20 | 2010-09-01 | 余进兴 | Telescopic tube of dust collector |
| CN101816538B (en) * | 2010-04-20 | 2012-07-04 | 余进兴 | Telescopic tube of dust collector |
| CN102652653A (en) * | 2012-05-09 | 2012-09-05 | 江苏国新金属制品有限公司 | Expansion pipe for vacuum cleaner |
| 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 |
| CN107184151A (en) * | 2017-07-18 | 2017-09-22 | 苏州市欧陆杰电器有限公司 | Telescopic pipe for cleaner |
| WO2019015196A1 (en) * | 2017-07-18 | 2019-01-24 | 苏州市欧陆杰电器有限公司 | Telescopic tube for vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100367902C (en) | 2008-02-13 |
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Granted publication date: 20080213 Termination date: 20111024 |