CN201481307U - Telescopic suction hose for dust collector - Google Patents
Telescopic suction hose for dust collector Download PDFInfo
- Publication number
- CN201481307U CN201481307U CN2009201855834U CN200920185583U CN201481307U CN 201481307 U CN201481307 U CN 201481307U CN 2009201855834 U CN2009201855834 U CN 2009201855834U CN 200920185583 U CN200920185583 U CN 200920185583U CN 201481307 U CN201481307 U CN 201481307U
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- CN
- China
- Prior art keywords
- outer tube
- interior pipe
- button
- lock
- positioning sleeve
- 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 - Lifetime
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Abstract
The utility model discloses a telescopic suction hose for a dust collector, which comprises an outer tube with the inner wall of the end port being provided with a positioning sleeve, an inner tube which is inserted into the outer tube is arranged inside the positioning sleeve, the inner tube is provided with a guide groove and locking grooves which are arranged at a distance from each other in the axial direction, a guide bar on the inner wall of the positioning sleeve is embedded inside the guide groove, the outer side of the outer tube is provided with a sliding block which can slide in the axial direction, the outer side of the sliding block is provided with a switch, the inner side of the sliding block is of a match-up part which is formed by arranging and smoothly joining a plurality of locking surfaces and a plurality of unlocking grooves at interval, a roller pin is arranged inside the locking groove, and the positioning sleeve is provided with a corresponding open hole. At the locking state, the locking surfaces of the sliding block push the roller pin into the locking groove, so the inner tube and the outer tube are relatively fixed; during the unlocking, the switch is moved in the axial direction, and the inner tube is pushed and pulled, so the roller pin is withdrawn from the locking groove and slides into the unlocking groove of the sliding block, and the inner tube and the outer tube stay at the unlocking state. The length of the suction hose can be adjusted only by moving the switch, so the operation is convenient.
Description
Technical field
The utility model relates to a kind of telescopic tube of vacuum cleaner.
Background technology
Telescopic dust-collecting is one of main accessories of dust catcher, and expansion sweep-up pipe can change the length of sweep-up pipe according to user's needs arbitrarily, makes user's human body erect-position when using dust catcher be in position the most reasonable, the most comfortable.At present, the employed expansion sweep-up pipe of the dust catcher of selling on the market, comprise that port inner wall is fixed with the outer tube of positioning sleeve, be provided with the interior pipe that inserts outer tube in the positioning sleeve, interior pipe is provided with the gathering sill of axial setting and the lock slots that axially spaced-apart is arranged, the inwall of positioning sleeve is provided with guiding rib, and guiding rib embeds in the gathering sill, be provided with clamping block in the lock slots, the locking mechanism that can stir clamping block is installed on the outer tube.When clamping block withdrawed from lock slots, interior pipe is inner telescoping tube outside, and sweep-up pipe length can be adjusted; When clamping block embedded lock slots, interior pipe was fixed in the outer tube, and the length of sweep-up pipe is locked.Although the locking mechanism of various expansion sweep-up pipes is different,, their ubiquities that complex structure, assembly difficulty are big, the shortcoming of serviceability difference.In addition, existing interior pipe also mostly is socket connection with the compound mode of other dust catcher accessories, and therefore, both are easy to mutual disengaging in the use, thus the influence use.
Summary of the invention
The utility model purpose is: a kind of telescopic pipet for dust collector is provided, its adopt two needle rollers realize in the pipe and outer tube between locking, two needle roller structures are compared with common clamping block, have better holding capacity, and simple in structure, easy operating.
The technical solution of the utility model is: a kind of telescopic tube of vacuum cleaner, comprise that port inner wall is fixed with the outer tube of positioning sleeve, be provided with the interior pipe that inserts outer tube in the positioning sleeve, interior pipe is provided with the gathering sill of axial setting and the lock slots that axially spaced-apart is arranged, the inwall of positioning sleeve is provided with guiding rib, guiding rib embeds in the gathering sill, described positioning sleeve is provided with take-up housing, outer tube is provided with corresponding opening, opening is protruding and take-up housing is fixed between positioning sleeve and the outer tube by take-up housing, take-up housing is provided with axial chute, be provided with slide block in the chute, be respectively equipped with spring between two end faces of slide block and chute, the outside of slide block is installed with switch, serving as reasons in the inboard of slide block, several lock faces are arranged at interval with several release grooves and the auxiliary section of smooth connection, the guide part of the edge, front and back of release groove for tilting, be provided with needle roller in the described lock slots, positioning sleeve is provided with the perforate of passing for needle roller, during lock-out state, the lock face of slide block pushes against needle roller in lock slots, interior pipe and outer tube relative fixed, during release, move axially pipe in switch and the push-and-pull, needle roller withdraws from lock slots and slips into the release groove of slide block, pipe is in released state with outer tube in this moment, can adjust the length of sweep-up pipe.
Sheathedly on the external part of pipe in described be fixed with interior pipe box, pipe box lid in interior pipe box is provided with, be provided with the button latching device between interior pipe box and the interior pipe box lid, the button latching device comprises stair-stepping button, the middle part pin joint of button is on interior pipe box, the button hole of pipe box formed the press section in the protuberance of button stretched out, between press section and the interior pipe box stage clip is installed, the end of press section is provided with the hook pin that bends inwards, the inwall of pipe box lid was deviate from button hole to prevent button in the hook pin can hook, the end of the lower concave part of button is provided with the lock hook that extends internally, inner sleeve and interior pipe are provided with the lock hole that passes for lock hook, during lock-out state, the lock hook of button inwardly inserts in the pore of interior pipe, so that the dust catcher accessory that locking is connected with interior pipe, during release, push the press section of button, the pore of pipe in lock hook withdraws from is so that the dust catcher accessory that dismounting is connected with interior pipe.
Be connected with sealing ring on the insertion end of pipe in described, the middle part of sealing ring is provided with back-off, and interior pipe is provided with the hole clipping for the back-off clamping, and the two ends of described sealing ring are respectively outward-dipping rake, two rakes respectively with the outer tube wall slipper seal, realize double-layer seal.
Described gathering sill is a dual-slot structure, and two gathering sills be arranged in parallel, and corresponding guiding rib also is two muscle structures, and two guiding ribs be arranged in parallel.
Described positioning sleeve is provided with a plurality of blocked holes, and outer tube is provided with a plurality of clamping sheets corresponding to the position of blocked hole, and the clamping sheet bends inwards respectively and is fastened in the blocked hole, realizes being connected and fixed of positioning sleeve and outer tube.
The other end of described outer tube relative positioning cover is arranged with outer tube sleeve, and outer tube sleeve is fixed on the outer tube by self-plugging rivet, and described outer tube sleeve is provided with a plurality of back-off sheets, and the outer tube upper shield hooks the opening of back-off sheet by back-off, realizes and the fixedlying connected of outer tube sleeve.
The port of the other end of described outer tube relative positioning cover is inserted with the outer tube liner, and the outer tube inner liner portion is stretched out outer tube, and extension is provided with a circle seal groove, is embedded with sealing ring in the seal groove.
The inboard of described switch is provided with two joint pins, and the outer end of slide block is provided with corresponding link slot, and joint pin is pegged graft and is fixed in the link slot, realizes the fixing of switch and slide block.
One end of described spring embeds in the shrinkage pool of offering on the slide block end face, and the other end is enclosed within on the projection that stretches out on the chute end face.
One end of described stage clip is embedded in the shrinkage pool of button portion inner face, on the projection that stretches out on the pipe box in the other end is set in.
The utility model advantage is:
1. adopted in the utility model two needle rollers realize in locking between pipe and the outer tube, two needle roller structures are compared with common clamping block, have better holding capacity.
2. switch of the present utility model is axial plug-type control, easy to operate, when needing to adjust sweep-up pipe length, move axially pipe in switch and the push-and-pull, needle roller withdraws from lock slots and slips into the release groove of slide block, pipe is in released state with outer tube in this moment, when adjusting sweep-up pipe to Len req, trip switch, under the effect of spring, switch is along with slide block resets, and the lock face of slide block is pressed in needle roller in the lock slots once more, pipe and outer tube relative fixed in this moment, thus also locked the length of sweep-up pipe.
3. the utility model has also designed the button latching device, with assembling, the dismounting between pipe in convenient and the dust catcher accessory, during lock-out state, the lock hook of button inwardly inserts in the pore of interior pipe, so that the dust catcher accessory that locking is connected with interior pipe during release, is pushed the press section of button, the pore of pipe in lock hook withdraws from is so that the dust catcher accessory that dismounting is connected with interior pipe.
4. gathering sill of the present utility model is a dual-slot structure, and two gathering sills be arranged in parallel, and guiding rib also is two that be arranged in parallel, therefore has better steering capability.
5. be connected with sealing ring on the insertion end of pipe in the utility model, the two ends of sealing ring are respectively outward-dipping rake, two rakes respectively with the outer tube wall slipper seal, realized double-layer seal, have better sealing property.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is an assembly drawing of the present utility model;
Fig. 2 is the partial enlarged drawing at a place among Fig. 1;
Fig. 3 is the partial enlarged drawing at b place among Fig. 1;
Fig. 4 is a vertical view of the present utility model;
A-A cutaway view when Fig. 5 is in a kind of user mode for Fig. 4; (interior pipe and outer tube are in locking state, the button latching device is in locking state)
Fig. 6 is the partial enlarged drawing at c place among Fig. 5;
Fig. 7 is the partial enlarged drawing at d place among Fig. 5;
Fig. 8 is the B-B cutaway view of Fig. 4;
Fig. 9 is the C-C cutaway view of Fig. 5;
Figure 10 is the D-D cutaway view of Fig. 4;
A-A cutaway view when Figure 11 is in another kind of user mode for Fig. 4; (interior pipe and outer tube are in released state, the button latching device is in released state)
Figure 12 is the partial enlarged drawing at e place among Figure 11;
Figure 13 is the partial enlarged drawing at f place among Figure 11;
Figure 14 is a stereogram of the present utility model.
Wherein:
10 positioning sleeves; 11 guiding ribs; 12 perforates; 13 blocked holes;
20 outer tubes; 21 openings; 22 clamping sheets; 23 outer tube sleeve; 24 self-plugging rivets; 25 back-off sheets; 26 outer tube upper shields; 261 back-offs; 27 overcoat liners; 271 seal grooves; 28 sealing rings;
Pipe in 30; 31 gathering sills; 32 lock slots; Pipe box in 33; 331 projections; 332 back-off sheets; Pipe box lid in 34; 341 back-offs; 35 sealing rings; 351 back-offs; 352 rakes; 36 hole clippings; 37 self-plugging rivets;
40 take-up housings; 41 chutes; 411 projections; 42 slide blocks; 421 lock faces; 422 release grooves; 423 link slots; 43 springs;
50 switches; 51 joint pins;
60 needle rollers;
70 buttons; 71 press sections; 72 stage clips; 73 hook pin; 74 lock hooks.
The specific embodiment
Embodiment: extremely shown in Figure 14 as Fig. 1, a kind of telescopic tube of vacuum cleaner, comprise that port inner wall is fixed with the outer tube 20 of positioning sleeve 10, described positioning sleeve 10 is provided with a plurality of blocked holes 13, outer tube 20 is provided with a plurality of clamping sheets 22 corresponding to the position of blocked hole 13, clamping sheet 22 bends inwards respectively and is fastened in the blocked hole 13, realizes being connected and fixed of positioning sleeve 10 and outer tube 20.Be provided with the interior pipe 30 that inserts outer tube 20 in the positioning sleeve 10, interior pipe 30 is provided with the gathering sill 31 of axial setting and the lock slots 32 that axially spaced-apart is arranged, the inwall of positioning sleeve 10 is provided with guiding rib 11, and guiding rib 11 embeds in the gathering sill 31.Described gathering sill 31 is a dual-slot structure, and two gathering sills 31 be arranged in parallel, and corresponding guiding rib 11 also is two muscle structures, and two guiding ribs 11 be arranged in parallel.
Described positioning sleeve 10 is provided with take-up housing 40, outer tube 20 is provided with corresponding opening 21, opening 21 makes take-up housing 40 protruding and take-up housing 40 is fixed between positioning sleeve 10 and the outer tube 20, take-up housing 40 is provided with axial chute 41, be provided with slide block 42 in the chute 41, be respectively equipped with spring 43 between two end faces of slide block 42 and chute 41, an end of described spring 43 embeds in the shrinkage pool of offering on slide block 42 end faces, and the other end is enclosed within on the projection 411 that stretches out on chute 41 end faces.The outside of slide block 42 is installed with switch 50, and the inboard of switch 50 is provided with two joint pins 51, and the outer end of slide block 42 is provided with corresponding link slot 423, and joint pin 51 is pegged graft and is fixed in the link slot 423, realizes the fixing of switch 50 and slide block 42.Serving as reasons in the inboard of slide block 42, several lock faces 421 are arranged at interval with several release grooves 422 and the auxiliary section of smooth connection, the guide part of the edge, front and back of release groove 422 for tilting, be provided with needle roller 60 in the described lock slots 32, positioning sleeve 10 is provided with the perforate 12 of passing for needle roller 60, during lock-out state, the lock face 421 of slide block 42 pushes against needle roller 60 in lock slots 32, interior pipe 30 and outer tube 20 relative fixed, during release, move axially pipe 30 in switch 50 and the push-and-pull, needle roller 60 withdraws from lock slots 32 and slips into the release groove 422 of slide block 42, and pipe 30 is in released state with outer tube 20 in this moment, can adjust the length of sweep-up pipe.
Be connected with sealing ring 35 on the insertion end of pipe 30 in described, the middle part of sealing ring 35 is provided with back-off 351, interior pipe 30 is provided with the hole clippings 36 for back-off 351 clampings, the two ends of described sealing ring 35 are respectively outward-dipping rake 352, two rakes 352 respectively with outer tube 20 inwall slipper seals, realize double-layer seal, improved sealing property.
The other end of described outer tube 20 relative positionings cover 10 is arranged with outer tube sleeve 23, outer tube sleeve 23 is fixed on the outer tube 20 by self-plugging rivet 24, described outer tube sleeve 23 is provided with a plurality of back-off sheets 25, and outer tube upper shield 26 hooks the opening of back-off sheet 25 by back-off 261, realizes and the fixedlying connected of outer tube sleeve 23.The port of the other end of this outer tube 20 relative positionings cover 10 is inserted with outer tube liner 27, and outer tube liner 27 parts are stretched out outer tube 20, and extension is provided with a circle seal groove 271, is embedded with sealing ring 28 in the seal groove 271.
Switch 50 of the present utility model is axial plug-type control, easy to operate, when needing to adjust sweep-up pipe length, move axially pipe 30 in switch 50 and the push-and-pull, needle roller 60 withdraws from lock slots 32 and slips into the release groove 422 of slide block 42, pipe 30 is in released state with outer tube 20 in this moment, when adjusting sweep-up pipe to Len req, trip switch 50, under the effect of spring 43, switch 50 is along with slide block 42 resets, and the lock face 421 of slide block 42 is pressed in needle roller 60 in the lock slots 32 once more, pipe 30 and outer tube 20 relative fixed in this moment, thus also locked the length of sweep-up pipe.
Adopted in the utility model two needle rollers 60 realize in locking between pipe 30 and the outer tube 20, two needle roller structures are compared with common clamping block, have better holding capacity.
Claims (10)
1. telescopic tube of vacuum cleaner, comprise that port inner wall is fixed with the outer tube of positioning sleeve (10) (20), be provided with the interior pipe (30) that inserts outer tube in the positioning sleeve (10), interior pipe (30) is provided with the gathering sill (31) of axial setting and the lock slots (32) that axially spaced-apart is arranged, the inwall of positioning sleeve (10) is provided with guiding rib (11), guiding rib (11) embeds in the gathering sill (31), it is characterized in that: described positioning sleeve (10) is provided with take-up housing (40), outer tube (20) is provided with corresponding opening (21), opening (21) makes take-up housing (40) protruding and take-up housing (40) is fixed between positioning sleeve (10) and the outer tube (20), take-up housing (40) is provided with axial chute (41), be provided with slide block (42) in the chute (41), be respectively equipped with spring (43) between two end faces of slide block (42) and chute (41), the outside of slide block (42) is installed with switch (50), serving as reasons in the inboard of slide block (42), several lock faces (421) and several release grooves (422) are arranged at interval and the auxiliary section of smooth connection, the guide part of the edge, front and back of release groove (422) for tilting, be provided with needle roller (60) in the described lock slots (32), positioning sleeve (10) is provided with the perforate (12) of passing for needle roller (60), during lock-out state, the lock face (421) of slide block (42) pushes against needle roller (60) in lock slots (32), interior pipe (30) and outer tube (20) relative fixed, during release, move axially pipe (30) in switch (50) and the push-and-pull, needle roller (60) withdraws from lock slots (32) and slips into the release groove (422) of slide block (42), pipe (30) is in released state with outer tube (20) in this moment, can adjust the length of sweep-up pipe.
2. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: the sheathed interior pipe box (33) that is fixed with on the external part of pipe (30) in described, pipe box lid (34) in interior pipe box (33) is provided with, be provided with the button latching device between interior pipe box (33) and the interior pipe box lid (34), the button latching device comprises stair-stepping button (70), the middle part pin joint of button (70) is on interior pipe box (33), the button hole that the protuberance of button (70) stretches out interior pipe box (33) forms press section (71), between press section (71) and the interior pipe box (33) stage clip (72) is installed, the end of press section (71) is provided with the hook pin (73) that bends inwards, the inwall of pipe box lid (34) was deviate from button hole to prevent button (70) in hook pin (73) can hook, the end of the lower concave part of button (70) is provided with the lock hook (74) that extends internally, inner sleeve (33) and interior pipe (30) are provided with the lock hole that passes for lock hook (74), during lock-out state, in inwardly inserting, the lock hook (74) of button (70) manages in the pore of (30), so that the dust catcher accessory that locking is connected with interior pipe (30), during release, push the press section (71) of button (70), lock hook (74) withdraws from the pore of interior pipe (30), so that the dust catcher accessory that dismounting is connected with interior pipe (30).
3. according to claim 1 or 2 described telescopic tube of vacuum cleaner, it is characterized in that: be connected with sealing ring (35) on the insertion end of pipe (30) in described, the middle part of sealing ring (35) is provided with back-off (351), interior pipe (30) is provided with the hole clipping (36) for back-off (351) clamping, the two ends of described sealing ring (35) are respectively outward-dipping rake (352), two rakes (352) respectively with outer tube (20) inwall slipper seal, realize double-layer seal.
4. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: described gathering sill (31) is a dual-slot structure, and two gathering sills (31) be arranged in parallel, and corresponding guiding rib (11) also is two muscle structures, and two guiding ribs (11) be arranged in parallel.
5. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: described positioning sleeve (10) is provided with a plurality of blocked holes (13), outer tube (20) is provided with a plurality of clamping sheets (22) corresponding to the position of blocked hole (13), clamping sheet (22) bends inwards respectively and is fastened in the blocked hole (13), realizes being connected and fixed of positioning sleeve (10) and outer tube (20).
6. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: the other end of described outer tube (20) relative positioning cover (10) is arranged with outer tube sleeve (23), outer tube sleeve (23) is fixed on the outer tube (20) by self-plugging rivet (24), described outer tube sleeve (23) is provided with a plurality of back-off sheets (25), outer tube upper shield (26) hooks the opening of back-off sheet (25) by back-off (261), and realization is fixedlyed connected with outer tube sleeve (23).
7. according to claim 1 or 6 described telescopic tube of vacuum cleaner, it is characterized in that: the port of the other end of described outer tube (20) relative positioning cover (10) is inserted with outer tube liner (27), outer tube liner (27) part is stretched out outer tube (20), and extension is provided with a circle seal groove (271), is embedded with sealing ring (28) in the seal groove (271).
8. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: the inboard of described switch (50) is provided with two joint pins (51), the outer end of slide block (42) is provided with corresponding link slot (423), joint pin (51) is pegged graft and is fixed in the link slot (423), realizes the fixing of switch (50) and slide block (42).
9. according to the described telescopic tube of vacuum cleaner of claim 1, it is characterized in that: an end of described spring (43) embeds in the shrinkage pool of offering on slide block (42) end face, and the other end is enclosed within on the projection (411) that stretches out on chute (41) end face.
10. according to the described telescopic tube of vacuum cleaner of claim 3, it is characterized in that: an end of described stage clip (72) is embedded in the shrinkage pool of button portion (71) inner face, and the other end is set on the projection (331) that stretches out on the interior pipe box (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201855834U CN201481307U (en) | 2009-06-22 | 2009-06-22 | Telescopic suction hose for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201855834U CN201481307U (en) | 2009-06-22 | 2009-06-22 | Telescopic suction hose for dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201481307U true CN201481307U (en) | 2010-05-26 |
Family
ID=42420201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201855834U Expired - Lifetime CN201481307U (en) | 2009-06-22 | 2009-06-22 | Telescopic suction hose for dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201481307U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082942A (en) * | 2011-10-28 | 2013-05-08 | 乐金电子(天津)电器有限公司 | Telescopic dust absorption rigid pipe lock pipe sleeve anti-clamping structure |
| CN103115209A (en) * | 2013-02-01 | 2013-05-22 | 徐为尔 | Metal retractable pipe |
| CN103263236A (en) * | 2013-05-16 | 2013-08-28 | 邬永龙 | Dust collection pipe capable of being extended and shortened in bi-directional mode |
| CN103654626A (en) * | 2013-10-24 | 2014-03-26 | 苏州市宏伟电器有限公司 | Dust collector telescopic pipe |
| CN110227962A (en) * | 2018-12-09 | 2019-09-13 | 苏州欧圣电气股份有限公司 | A kind of power tool |
-
2009
- 2009-06-22 CN CN2009201855834U patent/CN201481307U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082942A (en) * | 2011-10-28 | 2013-05-08 | 乐金电子(天津)电器有限公司 | Telescopic dust absorption rigid pipe lock pipe sleeve anti-clamping structure |
| CN103115209A (en) * | 2013-02-01 | 2013-05-22 | 徐为尔 | Metal retractable pipe |
| CN103263236A (en) * | 2013-05-16 | 2013-08-28 | 邬永龙 | Dust collection pipe capable of being extended and shortened in bi-directional mode |
| CN103654626A (en) * | 2013-10-24 | 2014-03-26 | 苏州市宏伟电器有限公司 | Dust collector telescopic pipe |
| CN103654626B (en) * | 2013-10-24 | 2016-05-18 | 苏州市宏伟电器有限公司 | A kind of dust collector expansion pipe |
| CN110227962A (en) * | 2018-12-09 | 2019-09-13 | 苏州欧圣电气股份有限公司 | A kind of power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |