CN103939437A - Fast adjusting and locking device - Google Patents
Fast adjusting and locking device Download PDFInfo
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- CN103939437A CN103939437A CN201410112847.9A CN201410112847A CN103939437A CN 103939437 A CN103939437 A CN 103939437A CN 201410112847 A CN201410112847 A CN 201410112847A CN 103939437 A CN103939437 A CN 103939437A
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- sliding sleeve
- supervisor
- spin
- cavity
- locking device
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Abstract
The invention discloses a fast adjusting and locking device and relates to locking structures for adjusting height vertically. The fast adjusting and locking device mainly solves the problem that vertical height adjustment is inconvenient in the prior art. Through holes (12) used for containing a rolling ball (5) are formed, matched with external threaded grooves (22) and are distributed in a spiral mode, a main pipe (10) and an extension pipe (20) are locked when the inner side of the rolling ball (5) enters the external threaded grooves (22), the main pipe (10) and the extension pipe (20) are unlocked when the inner side of the rolling ball (5) retreats from the external threaded grooves (22), the height of the extension pipe (20) can be changed without rotating the main pipe (10) or the extension pipe (20) through the matching in this way, and the purpose of fast locking or separating the main pipe (10) and the extension pipe (20) so as to adjust the height is achieved.
Description
Technical field
The invention belongs to home equipment field, relate to the locking mechanism of height up and down, specifically, be a kind of can quick adjustment mosquito net frame the locking device of height up and down.
Background technique
Mosquito net as summer mosquito-proof requisite bedding be used widely always, particularly the appearance design of mosquito net is more and more novel, a lot of petty bourgeoisie family even saloon bar suite all increases these bedding.With respect to mosquito net, also should high-end and atmosphericly improve grade with the mosquito net frame function of its collocation, such as common mosquito net frame is highly immutable up and down, therefore inconvenient especially for hanging mosquito net, it is easy to adjust simple that this upper and lower adjustable for height mechanism not only wants, and will have reliable locking effect.
Existing more about the adjustable for height technology of mosquito net frame, such as sleeve connects, be threaded etc., wherein be threaded and need to rotate extension spray lance or supervisor, for up-down adjustment the inconvenience of mosquito net frame, again such as the Chinese patent CN 87204088 U(applying date: 1987.3.28) a kind of mosquito net frame of adjustable dimension disclosed, it mainly carrys out adjusting mosquito net frame height by clamp device fitted bolt, operate cumbersome, Chinese patent CN 101530272 B(application numbers: 200910029796.2, the applying date: 2009.4.9) a kind of mosquito net frame with rotational expansion fastening joint disclosed, there are four Telescopic supporting rods, each Telescopic supporting rod is socketed to form by more piece sleeve pipe correspondence, between sleeve pipe, be relatively divided into extra heavy pipe and tubule according to nest relation, each joint sleeve pipe is fastening by rotational expansion fastening joint after telescopic adjustment, described rotational expansion fastening joint is made up of a connection block and an eccentric expanding ring, one end of connection block is fixedly connected with one end of tubule, connection block has the eccentric shaft of the central axis bias with respect to tubule, described eccentric swelling ring set is contained on above-mentioned eccentric shaft.Above-mentioned patent regulation structure and the application belong to different controlling mechanisms.
Summary of the invention
The object of this invention is to provide a kind of mosquito net frame height and regulated simply, fix reliably, used safe quick adjustment locking device.
For realizing above-mentioned technical purpose, the technical solution used in the present invention is as follows:
A kind of quick adjustment locking device, comprise supervisor and extension spray lance, described extension spray lance lower end be provided with outside thread and in be placed on supervisor upper end, described supervisor upper end is provided with positioning part, be positioned at the through hole that is at least provided with three coupling outside thread grooves and distributes in the shape of a spiral on the supervisor of below, positioning part, in described through hole, be placed with spin, spin external lateral portion is exposed to outside through hole; Described supervisor outside cover has sliding sleeve, between this sliding sleeve and supervisor, form cavity, sliding sleeve is divided into sliding sleeve top, sliding sleeve middle part and sliding sleeve bottom by the middle part indent of described sliding sleeve, described sliding sleeve top, sliding sleeve middle part and sliding sleeve bottom are respectively and between supervisor, form cavity top, cavity middle part and cavity bottom, the height of described cavity top, cavity middle part and cavity bottom is respectively h1, h2, h3, and meets: h3>h1>h2; Described sliding sleeve top and supervisor's gap d 1 and sliding sleeve middle part are all less than ball diameters d with supervisor's gap d 2, between sliding sleeve middle part and sliding sleeve bottom, form lattice stopper, and described cavity bottom is provided with resetting-mechanism; When supervisor is with extension spray lance during in locking state, under described spin is pressed at sliding sleeve middle part, spin inner side is all positioned at outside thread groove, spin outside is limited in cavity middle part, and spin external lateral portion is greater than spin half volume, sliding cover on described resetting-mechanism, and on sliding sleeve, edge is butted on positioning part mutually; When lattice catch supervisor is with extension spray lance during in releasing orientation, described spin inner side all departs from outside thread groove and spin is limited in cavity top.
Adopt the quick adjustment locking device of technique scheme, can quick locking supervisor and extension spray lance to fix mosquito net frame, simultaneously also quick releasable supervisor and extension spray lance to regulate height; In the time of supervisor and extension spray lance locking, spin inner side enters internal thread groove under pressing at sliding sleeve middle part, thereby fix supervisor and extension spray lance, in the time that needs improve or reduce extension spray lance height, only need down sliding sliding sleeve, make spin depart from internal thread groove, thereby supervisor and extension spray lance convenient separation extension spray lance move up and down, after highly having regulated, only need to unclamp sliding sleeve, sliding sleeve just can return to locking state under the effect of resetting-mechanism.The spin of placing in through hole forms coupling outside thread groove and distributes in the shape of a spiral, in the time that spin inner side enters internal thread groove, just locking supervisor and extension spray lance, in the time that internal thread groove is exited in spin inner side, just unclamp supervisor and extension spray lance, such cooperation just can change extension spray lance height without rotation supervisor or extension spray lance, reach the object of quick adjustment height, and in conventional, outside thread fit system need to rotate one of supervisor or extension spray lance, if rotation supervisor just must drive the base of supervisor below to rotate together, if rotation extension spray lance also can change the structure of hanging mosquito net frame, visible restriction of the present invention has avoided occurring the operation of above-mentioned trouble.
Further limit, described resetting-mechanism comprises thrust washer, elastic member and lattice catch, described thrust washer is fixedly arranged under sliding sleeve along on corresponding supervisor outside, described elastic member is located at the supervisor outside of cavity bottom, and the bottom of elastic member is fixed on thrust washer, the top of elastic member is butted on lattice stopper mutually by lattice catch.When supervisor and extension spray lance locking, elastic member is in compressive state, in the time of sliding sleeve slides downwards, lattice stopper continues pressure elasticity parts, thereby makes spin inner side exit internal thread groove, and supervisor separates with extension spray lance, unclamp after sliding sleeve, its under elastic member effect by push away, spin inner side enters internal thread groove again, makes supervisor again lock extension spray lance.
Further limit, described elastic member is helical spring, and this helical spring is coated at the supervisor outside of cavity bottom.Helical spring structure is simple, more stable when slip sliding sleeve unclamps supervisor and extension spray lance.
Further limit, described positioning part is for supervisor is above along outward extending annulus.Positioning part is just arranged on the upper length along reducing sliding sleeve of supervisor, and outward extending annulus and supervisor combine together simultaneously, facilitate one-body molded.
Further limit, on described sliding sleeve, be close to supervisor outside along curving inwardly.Above-mentioned restriction has ensured that on sliding sleeve, edge can be closely sealedly responsible for, more stable while sliding up and down, and itself and positioning part collocation can also prevent that foreign matter from entering cavity.
Further limit, described through hole along charge shaft to projection be uniformly distributed.Above-mentioned restriction has ensured that the spin that is positioned over through hole is in the time mating with extension spray lance outside thread, all directions stressed more even, and mosquito net frame is more firm.
Further limit, the maximum height difference up and down of described through hole is no more than the outside thread pitch of extension spray lance.Above-mentioned restriction makes the spin that is positioned over through hole keep relatively little height difference, and the general plane that the position of four spin forms, more close to horizontal plane, has improved the stressed stability of mosquito net frame.
Further limit, described through hole is four.If through hole is too much, the corresponding trouble of punching, and also supervisor upper end can too much easily fracture because of perforate, and top mosquito net frame overall weight is generally little, and four through holes coordinate spin can support the gravity at top completely.
The relative prior art of the present invention, simple in structure, mosquito net frame height adjustment operation is more convenient, supports fastening having better effect, and has good practicability.
Brief description of the drawings
Fig. 1 is locking state structural representation of the present invention;
Fig. 2 is the sectional elevation figure of Fig. 1;
Fig. 3 is that under locking state, spin coordinates external thread structure schematic diagram;
Fig. 4 is the A portion enlarged view of Fig. 3;
Fig. 5 is releasing orientation structural representation of the present invention;
Fig. 6 is the sectional elevation figure of Fig. 4;
Fig. 7 is that under releasing orientation, spin coordinates external thread structure schematic diagram;
Fig. 8 is the B portion enlarged view of Fig. 7.
In accompanying drawing: 10-supervisor, 11-positioning part, 12-through hole, 20-extension spray lance, 21-outside thread, 22-outside thread groove, 30-sliding sleeve, 31-sliding sleeve top, 32-sliding sleeve middle part, 33-sliding sleeve bottom, 34-lattice stopper, 40-cavity, 41-cavity top, 42-cavity middle part, 43-cavity bottom, 5-spin, 6-lattice catch, 7-elastic member, 8-thrust washer.
Embodiment
In order to make those skilled in the art, the present invention may be better understood, below in conjunction with drawings and Examples, technical solution of the present invention further illustrated.
Figure 1 shows that the locking state figure of quick adjustment locking device, this device comprises supervisor 10 and extension spray lance 20, described extension spray lance 20 lower ends be provided with outside thread 21 and in be placed on supervisor 10 upper ends, the extension spray lance that is provided with outside thread 21 20 length that are placed on wherein in supervisor 10 upper ends should adapt with the maximum height that mosquito net frame need to rise, make to be transferred to after certain altitude on extension spray lance 20, still can be fixing with supervisor 10 by outside thread 21.
As shown in Fig. 2 ~ 4, be responsible for 10 upper ends and be provided with positioning part 11, this positioning part 11 is preferably set on supervisor 10 along outward extending annulus, the supervisor 10 who is positioned at 11 belows, positioning part is provided with four through holes 12 that mate outside thread grooves 22 and distribute in the shape of a spiral, in described through hole 12, be placed with spin 5, spin 5 external lateral portion are exposed to outside through hole 12; It is stressed more even when spin 5 is mated with outside thread groove 22, these four through holes 12 are uniformly distributed along supervisor's 10 axial projections, that is to say, axially look over from being responsible for 10, four through holes 12 are just evenly distributed on supervisor 10 sides, and the angle between adjacent two through holes 12 is 90 °.
Outside thread 21 pitch of supposing extension spray lance 20 are P, the P1 of maximum height difference up and down of these four through holes 12 should be less than pitch P, that is to say, the spiral distribution that described four through holes 12 form is no more than a circle screw thread, limit like this and make general plane that the position of four spin 5 forms more close to horizontal plane, stressed more even, guarantee the stressed firm stable more of mosquito net frame.
Be responsible for 10 outside covers and have sliding sleeve 30, on sliding sleeve 30, be close to supervisor 10 outsides along curving inwardly, and form cavity 40 between sliding sleeve 30 and supervisor 10, sliding sleeve 30 is divided into sliding sleeve top 31, sliding sleeve middle part 32 and sliding sleeve bottom 33 by the middle part indent of described sliding sleeve 30, described sliding sleeve top 31, sliding sleeve middle part 32 and sliding sleeve bottom 33 are respectively and between supervisor 10, form cavity top 41, cavity middle part 42 and cavity bottom 43, between sliding sleeve middle part 32 and sliding sleeve bottom 33, form lattice stopper 34, described cavity bottom 43 is provided with resetting-mechanism.
When supervisor 10 is with extension spray lance 20 during in locking state, under described spin 5 is pressed at sliding sleeve middle part 32, spin 5 inner sides are all positioned at outside thread groove 22, spin 5 outsides are limited in cavity middle part 42, and spin 5 external lateral portion at least account for spin 5 half volumes, now sliding cover 30 on resetting-mechanism, and on sliding sleeve, edge is butted on positioning part 11 mutually.
Specifically, described resetting-mechanism comprises thrust washer 8, elastic member 7 and lattice catch 6, described thrust washer 8 is fixedly arranged on sliding sleeve 30 times along on corresponding supervisor 10 outsides, described elastic member 7 is located at supervisor 10 outsides of cavity bottom 43, and the bottom of elastic member 7 is fixed on thrust washer 8, the top of elastic member 7 is butted on lattice stopper 34 mutually by lattice catch 6, and elastic member 7 is always in compressive state and only limit to move up and down in cavity bottom 43.
When locking, lattice catch 6 is butted on mutually lattice stopper 34 under the effect of helical spring tension force, and the just limited positioning part 11 that is butted on mutually, edge on sliding sleeve 30, moreover, for ensureing locking, sliding sleeve middle part 32 and supervisor 10 the gap d 2 of indent should be less than spin 5 diameter d, spin 5 is under the pressing at sliding sleeve middle part 32 like this, thereby spin 5 inner side parts just can enter outside thread groove 22 locking supervisors 10 and extension spray lance 20, the height h2 at sliding sleeve middle part 32 is more preferably greater than outside thread 21 pitch P simultaneously, can ensure to lock like this time, all four spin 5 be pressed the lower outside thread groove 22 that all can enter at sliding sleeve middle part 32, thereby locking supervisor 10 and extension spray lance 20.
As shown in Fig. 5 ~ 8, in the time needing the height of adjusting mosquito net support, by manually sliding sliding sleeve 30, thereby separate supervisor 10 and extension spray lance 20, its working principle is, while sliding sliding sleeve 30, lattice stopper 34 presses down elastic member 7(helical spring), spin 5 outsides enter cavity top 41 by cavity middle part 42, in order to ensure that being positioned at spin 5 inner sides can depart from outside thread groove 22, thereby making to be responsible for 10 separates with extension spray lance 20, should meet: in the time of locking, spin 5 external lateral portion that are positioned at cavity middle part 42 are greater than spin 5 half volumes, namely spin 5 its position of centre of gravity in the time of locking is positioned at outside through hole 12, it is the half that sliding sleeve middle part 32 and supervisor 10 gap d 2 are greater than spin 5 diameter d, due to sliding sleeve middle part 32 indents, therefore sliding sleeve top 31 is greater than sliding sleeve middle part 32 and the gap d 2 of being responsible for 10 with supervisor 10 gap d 1, while entering cavity top 41 in spin 5 outsides like this, spin 5 just can make it depart from outside thread groove 22 because spin 5 centers of gravity are partially outer, in order to avoid spin 5 to drop out through hole 12(completely, this is because if spin 5 drops out through hole 12 completely simultaneously, in the time that sliding sleeve 30 resets, spin 5 cannot be got back to through hole 12 and be entered outside thread groove 22 locking supervisor 10 and extension spray lances 20), sliding sleeve top 31 and supervisor's 10 gap d 1 also should be less than the diameter d of spin 5.
In the time of sliding sleeve 30 down sliding, can separate extension spray lance 20 completely in order to ensure supervisor 10, the height h1 on cavity top 41 is more preferably greater than the height h2 at cavity middle part 42, and four spin 5 of being pressed outside thread groove 22 completely by sliding sleeve middle part 32 like this must depart from outside thread groove 22 completely entering behind cavity top 41.
Entering cavity top 41 in order to ensure four spin 5 outsides can roll arbitrarily up and down, the maximum that sliding sleeve 30 can reach glides and highly equals the height h1 on cavity top 41, even if now sliding sleeve slides into extreme lower position 30 times, helical spring also should have enough deformation quantities to meet sliding sleeve 30 to glide, and helical spring is to be enclosed within corresponding supervisor 10 outsides, sliding sleeve bottom 33, the maximum compression deformation quantity that it can produce in cavity bottom 43 should equal the height h3 of sliding sleeve bottom 33, considering that helical spring is compressed to hour also can there is certain height, therefore the height h3 of cavity bottom 43 must be greater than the height h2 on cavity top 41.
Can show that by above-mentioned analysis sliding sleeve top 31 and supervisor 10 gap d 1, sliding sleeve middle part 32 preferably meet with supervisor 10 gap d 2, spin 5 diameter d: d/2 < d2 < d1 < d, the P1 of maximum height difference up and down of cavity top 41, cavity middle part 42 and height h1, h2, h3 and outside thread 21 pitch P of cavity bottom 43, four through holes 12 preferably meets: h3 > h1 > h2 > P > P1; .
After supervisor 10 separates with extension spray lance 20, adjustable extension spray lance 20 highly carrys out adjusting mosquito net support height, after highly having regulated, just unclamp sliding sleeve 30, sliding sleeve 30 under elastic member 7 effect by push away, four spin 5 that are positioned at cavity top 41 move downward and again enter into cavity middle part 42 with respect to sliding sleeve 30 inwalls, in the time that on sliding sleeve 30, edge is butted on positioning part 11 mutually, stop sliding, spin 5 is pressed lower its inner side and is entered outside thread groove 22 at sliding sleeve middle part 32, making to be responsible for 10 locks again with extension spray lance 20, now elastic member 7 still upwards promotes when sliding sleeve 30 makes it in locking can not fall in compressive state.
The present invention designs ingenious, and only need to slide sliding sleeve 30 and just can unclamp extension spray lance 20 and supervisor 10, thus adjusting mosquito net support corresponding height, and sliding sleeve 30 resets are fast, support fastening effect very good, have good practicability.
Above quick adjustment locking device provided by the invention is described in detail.The explanation of specific embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (8)
1. a quick adjustment locking device, comprise supervisor (10) and extension spray lance (20), described extension spray lance (20) lower end be provided with outside thread (21) and in be placed on supervisor (10) upper end, it is characterized in that, described supervisor (10) upper end is provided with positioning part (11), be positioned at the through hole (12) that is at least provided with three coupling outside thread grooves (22) and distributes in the shape of a spiral on the supervisor (10) of below, positioning part (11), in described through hole (12), be placed with spin (5), spin (5) external lateral portion is exposed to outside through hole (12), described supervisor (10) outside cover has sliding sleeve (30), between this sliding sleeve (30) and supervisor (10), form cavity (40), sliding sleeve (30) is divided into sliding sleeve top (31) by the middle part indent of described sliding sleeve (30), sliding sleeve middle part (32) and sliding sleeve bottom (33), described sliding sleeve top (31), sliding sleeve middle part (32) and sliding sleeve bottom (33) forms cavity top (41) respectively and between supervisor (10), cavity middle part (42) and cavity bottom (43), described cavity top (41), the height at cavity middle part (42) and cavity bottom (43) is respectively h1, h2, h3, and meet: h3>h1>h2, described sliding sleeve top (41) is all less than spin (5) diameter d with supervisor's (10) gap d 1 and sliding sleeve middle part (42) with supervisor's (10) gap d 2, between sliding sleeve middle part (32) and sliding sleeve bottom (33), form lattice stopper (34), described cavity bottom (43) is provided with resetting-mechanism,
In the time being responsible for (10) and extension spray lance (20) in locking state, under described spin (5) is pressed at sliding sleeve middle part (32), spin (5) inner side is all positioned at outside thread groove (22), spin (5) outside is limited in cavity middle part (42), and spin (5) external lateral portion is greater than spin (5) half volume, sliding cover (30) on described resetting-mechanism, and sliding sleeve (30) upper end is butted on positioning part (11) mutually; In the time being responsible for (10) and extension spray lance (20) in releasing orientation, described spin (5) inner side all departs from outside thread groove (22) and spin (5) is limited in cavity top (41).
2. quick adjustment locking device according to claim 1, it is characterized in that, described resetting-mechanism comprises thrust washer (8), elastic member (7) and lattice catch (6), described thrust washer (8) is fixedly arranged under sliding sleeve (30) along on corresponding supervisor (10) outside, described elastic member (7) is located at supervisor (10) outside of cavity bottom (43), and it is upper that the bottom of elastic member (7) is fixed on thrust washer (8), and the top of elastic member (7) is butted on lattice stopper (34) mutually by lattice catch (6).
3. quick adjustment locking device according to claim 2, is characterized in that, described elastic member (7) is helical spring, and this helical spring is coated at supervisor (10) outside of cavity bottom (43).
4. according to the arbitrary described quick adjustment locking device of claims 1 to 3, it is characterized in that, described positioning part (11) are for supervisor (10) is above along outward extending annulus.
5. quick adjustment locking device according to claim 4, is characterized in that, upper supervisor (10) outside of being close to along curving inwardly of described sliding sleeve (30).
6. quick adjustment locking device according to claim 1, is characterized in that, described through hole (12) is uniformly distributed along supervisor's (10) axial projection.
7. quick adjustment locking device according to claim 1, is characterized in that, the P1 of maximum height difference up and down of described through hole (12) is no more than outside thread (21) pitch P of extension spray lance (20).
8. according to the arbitrary described quick adjustment locking device of claim 6 or 7, it is characterized in that, described through hole (12) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112847.9A CN103939437A (en) | 2014-03-25 | 2014-03-25 | Fast adjusting and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112847.9A CN103939437A (en) | 2014-03-25 | 2014-03-25 | Fast adjusting and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103939437A true CN103939437A (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410112847.9A Pending CN103939437A (en) | 2014-03-25 | 2014-03-25 | Fast adjusting and locking device |
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| CN (1) | CN103939437A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305005A (en) * | 2015-11-13 | 2016-02-03 | 西安空间无线电技术研究所 | Novel locking device |
| CN106974458A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of retaining mechanism |
| CN108350936A (en) * | 2015-09-23 | 2018-07-31 | 圣戈班性能塑料万科有限公司 | Linear movement sub-assembly |
| CN110806992A (en) * | 2019-11-19 | 2020-02-18 | 盐城工业职业技术学院 | Computer conversion interface device |
| CN112205956A (en) * | 2020-10-13 | 2021-01-12 | 王振静 | Bronchoscope interventional therapy device for respiratory department |
-
2014
- 2014-03-25 CN CN201410112847.9A patent/CN103939437A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108350936A (en) * | 2015-09-23 | 2018-07-31 | 圣戈班性能塑料万科有限公司 | Linear movement sub-assembly |
| CN105305005A (en) * | 2015-11-13 | 2016-02-03 | 西安空间无线电技术研究所 | Novel locking device |
| CN105305005B (en) * | 2015-11-13 | 2018-08-21 | 西安空间无线电技术研究所 | A kind of locking device |
| CN106974458A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of retaining mechanism |
| CN106974458B (en) * | 2017-03-27 | 2023-10-20 | 恒林家居股份有限公司 | Locking mechanism |
| CN110806992A (en) * | 2019-11-19 | 2020-02-18 | 盐城工业职业技术学院 | Computer conversion interface device |
| CN110806992B (en) * | 2019-11-19 | 2023-03-24 | 盐城工业职业技术学院 | Computer conversion interface device |
| CN112205956A (en) * | 2020-10-13 | 2021-01-12 | 王振静 | Bronchoscope interventional therapy device for respiratory department |
| CN112205956B (en) * | 2020-10-13 | 2024-03-29 | 王振静 | Respiratory department bronchoscope interventional therapy device |
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Application publication date: 20140723 |