CN100556354C - Expansion sweep-up pipe - Google Patents
Expansion sweep-up pipe Download PDFInfo
- Publication number
- CN100556354C CN100556354C CNB2007101354889A CN200710135488A CN100556354C CN 100556354 C CN100556354 C CN 100556354C CN B2007101354889 A CNB2007101354889 A CN B2007101354889A CN 200710135488 A CN200710135488 A CN 200710135488A CN 100556354 C CN100556354 C CN 100556354C
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- China
- Prior art keywords
- pull bar
- locking mechanism
- pipe
- sweep
- axis line
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Abstract
The present invention relates to a kind of expansion sweep-up pipe that is used for dust catcher, comprise hollow tube body, pull bar and locking mechanism, pull bar is set on the body and can slides along the direction of axis line of body, when described locking mechanism was in released state, described pull bar can slide along described body direction of axis line; When described locking mechanism was in the lock state, the relative position of described pull bar and described body was locked, and pull bar cannot slide along the body direction of axis line.In use, the user can be connected the height of (handle) end of pull bar apart from ground thereby change by the relative position of locking mechanism adjusting yoke and body, makes that the user can be in the operating position work of the most comfortable.And this telescopic dust-collecting saved necessary seal member in the traditional structure, makes that to make assembling simpler, and the user uses more convenient; And cost of manufacture is lower, and more stable quality is reliable.
Description
Technical field
The present invention relates to a kind of expansion sweep-up pipe that is used on the dust catcher.
Background technology
In the dust catcher industry, as a kind of important dust catcher execution unit, expansion sweep-up pipe is widely used.The user can regulate collapsing length as required when using expansion sweep-up pipe, make to lay oneself open to the most comfortable the position of most convenient.When not using, this sweep-up pipe can shorten to minimum length, the convenient storage and transportation.
All expansion sweep-up pipes of Shi Yonging (hereinafter to be referred as " traditional expansion sweep-up pipe ") are shown in Figure 11～12 in the market, and it is made up of the outer tube and the interior pipe of mutual socket.Outer tube one end connects cleaning parts such as scrubbing brush, and the other end-handle end is connected to dust suction earthenware main frame by the plastic flexible pipe parts.The user in use, handle can slide interior pipe in outer tube, thereby regulates collapsing length.
This traditional expansion sweep-up pipe has unsurmountable drawback on the structure: 1) when reality is used, it is long that plastic flexible pipe often pulls, and flexible pipe connects inner tube (handle end just), and the user is when regulating collapsing length, must drag long flexible pipe, relatively heavier.2) structure of inner and outer pipe socket cooperation need increase seal member solution air-tightness problem.Because it is all multifactor that accessory size control, assembly quality, seal member are aging etc., always there is the gas leakage problem in sweep-up pipe, causes power loss.The dust catcher industry reaches 2%～15% because of the gas leakage problem causes the main engine power loss of dust catcher at present.Under the situation that high-power central dust extractor begins progressively to use, this structure causes the quality problems of gas leakage more outstanding.The gas leakage index has become an important quality index weighing expansion sweep-up pipe.3) this expansion sweep-up pipe complex structure, assembly difficulty are big and parts are various, and own wt is big, and manufacturing cost is than higher.
Summary of the invention
The object of the present invention is to provide a kind of expansion sweep-up pipe of new structure, this expansion sweep-up pipe is not only simple in structure, and reliable in quality, low cost of manufacture.
The scheme that the present invention adopts is: a kind of expansion sweep-up pipe, comprise hollow tube body, pull bar and locking mechanism, described pull bar is installed on the described body and can slides along the direction of axis line of this body, described locking mechanism is used for described pull bar is locked mutually with described body, when described locking mechanism was in the lock state, described body and pull bar fixed; When described locking mechanism was in released state, described pull bar can slide with respect to described body.
Described locking mechanism preferred construction is: it comprises a plurality of grooves of being opened on the described pull bar and arranging along the direction of axis line of body, is fixedly installed on the braking key seat on the body, described braking key seat is provided with latch and unlock button, described latch is connected with unlock button, when described locking mechanism is in the lock state, the bottom of described latch has at least a part to be positioned at described groove, when described locking mechanism was in released state, described latch broke away from described groove.
In order to make described latch after release, can reset rapidly, be provided with elastomeric element between described latch and the described braking key seat.
In order to make the user easy to use, an end of described pull bar is set with handle.
In order to realize that pull bar slides along the axial line of body, adopts following reasonable embodiment: be provided with chute along its direction of axis line on the tube wall of described body, described pull bar is installed in the described chute in mode slidably.
Owing to adopted technical scheme as above, the present invention has compared with prior art obtained following beneficial effect: the mode of 1) comparing pipe, outer tube socket in traditional expansion sweep-up pipe employing realizes that the scheme of length adjustment, the present invention adopt a body and realize adjustable in length along the pull bar that body slides.Because an end of the body among the present invention connects cleaning parts such as scrubbing brush, the other end connects the plastics software part, in the dust catcher breathing process, the air-flow that produces is flowed directly to the other end from an end of this hollow tube, thereby solved the gas leakage problem of traditional expansion sweep-up pipe, no longer needed necessary hermetic seal parts in the traditional structure.2) end of pull bar connection handle no longer connects the plastic flexible pipe parts, need not drag long flexible pipe when the user regulates length, thereby it is lighter, flexible to make that the user uses.3) owing to simple in structure, saved many parts, made the manufacturing assembly technology simpler, quality is more reliable and more stable, and cost reduces.
Description of drawings
Accompanying drawing 1 is the stereogram of sweep-up pipe of the present invention, and wherein pull bar is drawn out;
Accompanying drawing 2 is the another stereogram of sweep-up pipe of the present invention;
Accompanying drawing 3 is the stereogram of body of the present invention;
Accompanying drawing 4 is a pull bar stereogram of the present invention;
Accompanying drawing 5 is the vertical view of sweep-up pipe of the present invention;
Accompanying drawing 6 is the front view (broken section) of sweep-up pipe of the present invention;
Accompanying drawing 7 is the enlarged drawing of accompanying drawing 6 at the A place;
Accompanying drawing 8 is the stereogram of braking key seat of the present invention;
The schematic diagram (sweep-up pipe is in contraction state) that accompanying drawing 9 is used for sweep-up pipe of the present invention;
The another schematic diagram (sweep-up pipe is in extended state) that the sweep-up pipe of the present invention of accompanying drawing 10 is used;
The schematic diagram (sweep-up pipe is in contraction state) that accompanying drawing 11 is used for sweep-up pipe in the background technology;
The another schematic diagram (sweep-up pipe is in flexible state) that accompanying drawing 12 is used for sweep-up pipe in the background technology;
Wherein: 1, body; 2, pull bar; 3, locking mechanism; 4, braking key seat; 5, groove; 6, elastomeric element; 7, latch; 8, unlock button; 9, handle; 10, chute; 11, locating part; 12, flanging; 13, recess.
The specific embodiment
Referring to the expansion sweep-up pipe of a kind of dust catcher shown in Fig. 1～2, this expansion sweep-up pipe comprises a hollow tube body 1, pull bar 2 and locking mechanism 3.Usually an end of this body 1 is connected with hermetic seal with the flexible pipe that is used for dust catcher, and the other end is connected with hermetic seal with the annex of dust catcher with scrubbing brush or suction nozzle and so on.Body 1 as shown in Figure 3, it offers chute 10 along direction of axis line on tube wall, as shown in Figure 4, the shape of pull bar 2 is arranged to the shape that adapts with chute 10, pull bar 2 is installed in the chute 10.Can radially coming off in order to make that pull bar 2 is installed in behind the chute 10 not along body, at chute 10 two relative flangings 12 of notch formation along the axial direction of body 1, form the recess 13 that matches with flanging 12 in two bights of pull bar 2, after being provided with like this, pull bar 2 just can not come off from the axial notch of groove.
In order to make the user easy to use, an end of pull bar 2 also is set with handle 9.
In order to make when pull bar 2 slides into a certain position with respect to body 1, body 1 and pull bar 2 can relative fixed, between pull bar 2 and body 1 locking mechanism 3 are set.The structure of locking mechanism 3 can have multiple, and two kinds that enumerate are below wherein described in detail:
Shown in Fig. 5～7, this locking mechanism 3 comprises a plurality of grooves 5 of being opened on the described pull bar 2 and arranging along the direction of axis line of body 1, is arranged on the braking key seat 4 on the body 1.Braking key seat 4 is provided with latch 7 and unlock button 8 as shown in Figure 8 in its inner chamber.Latch 7 is connected with unlock button 8, is pressed with elastomeric element 6 on the latch 7, and this elastomeric element 6 adopts a stage clip herein.When locking mechanism 3 was in the lock state, the bottom of latch 7 was inserted in one of them groove 5, and when locking mechanism 3 was in released state, latch 7 left groove 5.
In actual use, when the user with pull bar 2 when body 1 is stretched to the desired position, user's release-push unlock button 8, the bottom of described latch 7 is passed and is penetrated in described one of them groove 5, thereby locking with the relative position between pull bar 2 and the body 1 to locking, when needs once more during sliding tie rod 2, when the user presses the button unlock button 8, described latch 7 breaks away from described groove 5, thereby the user can freely be slided pull bar 2 along body 1.
In order to make the user when the sliding tie rod 2, pull bar 2 can not come off fully with body 1, is respectively arranged with in two ends of pull bar 2 to be used to carry out spacing parts.As shown in Figure 4, this locating part 11 is fixedly mounted on the end of pull bar 2 away from handle 9, and locating part 11 will slide together along with pull bar 2 like this, and when locating part 11 is slided into when braking key seat 4 and contact, pull bar 2 can not continue to slide towards same direction; In like manner, also should be provided with in an end that is positioned at handle 9 and to be used for spacing parts, in actual manufacture process, because the height of handle 9 usually above the groove height of chute 10, uses so handle 9 can serve as limiting component.
Another locking mechanism can be arranged to following structure: it comprises a plurality of grooves that are opened on the pull bar and arrange along the direction of axis line of body, be arranged on the braking key seat on the body, with the hinged lid of braking key seat sidepiece, be set with inserting column on this cover body face, when the lid lower cover, inserting column is very good to be inserted in one of them groove, when starting lid, inserting column on the lid is outwards driven, thereby in groove, skid off, locking mechanism also will be unlocked like this, pull bar also can move relative to body, thereby makes pull bar can be pulled to the position of setting.
The structure of these above-mentioned locking mechanisms is very common two kinds, as long as other similar structures that pull bar and body can be locked mutually all can use in the sweep-up pipe of this invention.
See accompanying drawing 9～10, as can be seen, can realize the flexible of whole sweep-up pipe easily by sliding tie rod 2 from the figure, with the sweep-up pipe of the prior art shown in the accompanying drawing 11～12, structure becomes simply, operates also to be more convenient for.
Above embodiment only is a part embodiment of the present invention, and every embodiment that does not break away from technical scheme of the present invention is protection scope of the present invention.
Claims (5)
1, a kind of expansion sweep-up pipe, it is characterized in that: comprise hollow tube body (1), pull bar (2) and locking mechanism (3), described pull bar (2) is installed in described body (1) and goes up also and can slide along the direction of axis line of this body (1), described locking mechanism (3) is used for described pull bar (2) is locked mutually with described body (1), when described locking mechanism (3) when being in the lock state, described body (1) fixes with pull bar (2); When described locking mechanism (3) when being in released state, described pull bar (2) can slide with respect to described body (1).
2, expansion sweep-up pipe according to claim 1, it is characterized in that: described locking mechanism (3) comprises a plurality of grooves (5) that are opened in that described pull bar (2) is gone up and arrange along the direction of axis line of body (1), be installed in the braking key seat (4) on the body (1), described braking key seat (4) is provided with latch (7) and unlock button (8), described latch (7) is connected with unlock button (8), when described locking mechanism (3) when being in the lock state, the bottom of described latch (7) has at least a part to be positioned at described groove (5), when described locking mechanism (3) when being in released state, described latch (7) breaks away from described groove (5).
3, expansion sweep-up pipe according to claim 2 is characterized in that: be provided with elastomeric element (6) between described latch (7) and the described braking key seat (4).
4, expansion sweep-up pipe according to claim 1 is characterized in that: an end of described pull bar (2) is set with handle (9).
5, expansion sweep-up pipe according to claim 1 is characterized in that: be provided with chute (10) along its direction of axis line on the tube wall of described body (1), described pull bar (2) is installed in the described chute (10) in mode slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101354889A CN100556354C (en) | 2007-11-13 | 2007-11-13 | Expansion sweep-up pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101354889A CN100556354C (en) | 2007-11-13 | 2007-11-13 | Expansion sweep-up pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101156758A CN101156758A (en) | 2008-04-09 |
| CN100556354C true CN100556354C (en) | 2009-11-04 |
Family
ID=39305101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101354889A Expired - Fee Related CN100556354C (en) | 2007-11-13 | 2007-11-13 | Expansion sweep-up pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100556354C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816538B (en) * | 2010-04-20 | 2012-07-04 | 余进兴 | Telescopic tube of dust collector |
| CN103284659A (en) * | 2013-06-21 | 2013-09-11 | 苏州金威特工具有限公司 | Dust collector handle with adjustable heights |
| CN106618370A (en) * | 2016-11-08 | 2017-05-10 | 苏州君之宏电器科技有限公司 | Window wiper |
| CN208693167U (en) * | 2017-03-31 | 2019-04-05 | 天佑电器（苏州）有限公司 | Dust catcher |
| CN108324181A (en) * | 2018-03-21 | 2018-07-27 | 宁波锦隆电器有限公司 | A kind of dust catcher stretching structure |
| CN111317624B (en) * | 2020-02-27 | 2022-05-24 | 广东博方众济医疗科技有限公司 | Adjustment mechanism and wheelchair |
-
2007
- 2007-11-13 CN CNB2007101354889A patent/CN100556354C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101156758A (en) | 2008-04-09 |
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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 | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20101113 |