CN105650082A - Self-locking structure - Google Patents
Self-locking structure Download PDFInfo
- Publication number
- CN105650082A CN105650082A CN201610167495.6A CN201610167495A CN105650082A CN 105650082 A CN105650082 A CN 105650082A CN 201610167495 A CN201610167495 A CN 201610167495A CN 105650082 A CN105650082 A CN 105650082A
- Authority
- CN
- China
- Prior art keywords
- slide block
- self
- tumbler
- locking structure
- block
- 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.)
- Granted
Links
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract 11
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/02—Releasable fastening devices locking by rotation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Fasteners (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention provides a self-locking structure. The self-locking structure comprises a slide block, a limiting block, guide parts, a rotary part, a blocking part and a blocking strip, wherein the limiting block is arranged at one side of the slide block, can pass through the guide parts to slide relative to the slide block, and can block the rotary part while being closet to the slide block; the rotary part is in rotary connection to the slide block; the blocking part is also in rotary connection to the rotary part, but is not connected to the slide block; two rotary centers are not coaxial, so that the rotary part can drive the blocking part to rotate around the rotary center of the rotary part relative to the slide block; a first limiting part is arranged on the slide block; a second limiting part is arranged on the rotary part; the blocking strip is distributed at one side of the slide block, is parallel to the guide parts, and adopts an oblique-tooth structure for blocking the blocking part which is in contact with the blocking strip; and when the limiting part is closest to the slide block and the blocking strip blocks the blocking part, the limiting block blocks the rotary part, so that the rotary part and the blocking part cannot rotate, and therefore, the self-locking structure realizes self-locking. The self-locking structure is designed by utilizing the gravity principle, is simple in structure, is good in self-locking performance, is safe and reliable, and is good in practicability.
Description
[technical field]
The present invention relates to locking gear field, in particular to a kind of self-locking structure for sliding up and down device.
[background technology]
There is self-locking structure of all kinds at present, structure differs, and principle is also not quite similar, certain structures is simple, but self-locking is firm not, and the better more firmly self-locking structure of self-locking property, structure is comparatively complicated, and even the more difficult processing of some part, adds production cost. Therefore, it is necessary to provide, a kind of structure is simple, easy to use, self-locking property is good, production cost is lower, the self-locking structure that practicality is stronger.
[summary of the invention]
For achieving the above object, the technical solution adopted in the present invention is: a kind of self-locking structure, and described self-locking structure comprises slide block, limited block, guiding part, tumbler, card component and card article; Described limited block is arranged in described slide block side, it is possible to slided by the relatively described slide block of described guiding part, and from described slide block nearest time can block described tumbler; Described tumbler is rotatably connected with described slide block, and described card component is also rotatably connected with described tumbler, but is not connected with described slide block; Two rotation centers are not coaxial, so that described tumbler can drive described card component to rotate around described tumbler rotation center relative to described slide block; Described slide block is provided with the first limiting section, and described first limiting section is positioned at described tumbler rotation center side, it is possible to limit the rotation of described tumbler; Described tumbler is provided with the 2nd limiting section, and described 2nd limiting section is positioned at described positive stop end side, for limiting the rotation of described positive stop end; Described card article is arranged in described slide block side, setting parallel with described guiding part, adopts helical teeth structure, to block described card component when contacting with described card article; When described limited block is from, when described slide block is nearest and described card article blocks described card component, described limited block blocks described tumbler, described tumbler and described card component can not rotate, and described self-locking structure realizes self-locking.
Further, the helical teeth structure of described card article is not carried on the back to described card component; Described first turning axle and the described 2nd parallel setting of turning axle, and it is perpendicular to the bearing of trend of described guiding part.
Further, described limited block being furnished with first protruding, described tumbler is furnished with the 2nd protruding, it is protruding that described first projection blocks the described 2nd when described limited block is nearest from described slide block, to limit the rotation of described tumbler.
Further, described slide block has offered the first groove, and described tumbler is arranged in the first groove on described slide block, and can rotate in described first groove; Described first limiting section is arranged in described first groove one end.
Further, described tumbler has been offered the 2nd groove; Described card component is arranged in described 2nd groove, and can rotate in described 2nd groove.
Further, described 2nd limiting section is positioned at one end of described 2nd groove, and from the nearest side of described first turning axle.
Further, described card component, taking described card component rotation center as boundary, is divided into fastening end and positive stop end, and described positive stop end gravity is greater than described fastening end.
Further, the length of described positive stop end is greater than the minor increment of described card component rotation center to described 2nd limiting section.
Further, described fastening end adopts the structure of tip-angled shape; In its natural state, relative to described positive stop end, described fastening end is closer to described card article.
Further, described slide block can slide, the height at place when the mounting height of described card article helical teeth structural top stops higher than the slip of described slide block; The length of described card article helical teeth structure is not less than the height sum of described slide block and described limited block.
The present invention has following useful effect:
The present invention utilizes the self-locking structure of the principle design of gravity, and structure is simple, and easy to operate, self-locking property is good, safe and reliable, easily processes, and has good practicality.
[accompanying drawing explanation]
Fig. 1 is the structural perspective of a kind of self-locking structure of the present invention.
Fig. 2 is sectional view during self-locking structure self-locking of the present invention.
Fig. 3 is sectional view during self-locking structure of the present invention unblock.
Fig. 4 is the structural representation of present invention slider.
Fig. 5 is the structural representation of limited block of the present invention.
Fig. 6 is the structural representation of tumbler of the present invention.
Fig. 7 is the structural representation of card component of the present invention.
Main element nomenclature
Slide block 1 | First groove 11 | First limiting section 12 |
Limited block 2 | First projection 21 | 3rd groove 22 |
Tumbler 3 | 2nd projection 31 | 2nd groove 32 |
2nd limiting section 33 | Card component 4 | Fastening end 41 |
Positive stop end 42 | Card article 5 | Guiding part 6 |
Stationary installation 61 | First turning axle 7 | 2nd turning axle 8 |
Following embodiment will illustrate the present invention further in conjunction with above-mentioned accompanying drawing.
[embodiment]
Referring to Fig. 1 to Fig. 7, in a kind of better embodiment of the present invention, a self-locking structure comprises slide block 1, limited block 2, tumbler 3, card component 4, card article 5 and guiding part 6.
One first groove 11 has been offered in described slide block 1 side, and described slide block 1 upper and lower surface is connected by described first groove 11; Being provided with one first limiting section 12 on described first top, groove 11 bottom surface, described first limiting section 12 adopts the form of baffle plate. Preferably, described first limiting section 12 upper surface and described slide block 1 upper surface are coplanar.
Described limited block 2 is arranged in below described slide block 1, is connected with described slide block 1 by described guiding part 6, and can slide up and down along the relatively described slide block 1 of described guiding part 6.Described limited block 2 top arranges one first projection 21, described first projection 21 on described limited block 2 sliding and from described slide block 1 recently time can support residence and state slide block 1, and drive described slide block 1 to slide. One the 3rd groove 22 that described limited block 2 upper and lower surface is connected is offered in described limited block 2 side, described 3rd groove 22 and the described first same side of groove 11, and in described first protruding 21 sides, it may be preferred that described 3rd groove 22 is identical with described first groove 11 width. In another enforcement mode of the present invention, described slide block 1 can slide along the relatively described limited block 2 of described guiding part 6, glide and from described limited block 2 recently time can contact with described first protruding 21, and then drive described limited block 2 to slide.
Described guiding part 6 one end is fixed on described slide block 1, and the other end is provided with the stationary installation 61 for preventing described limited block 2 from dropping, and described stationary installation 61 can also limit the sliding distance of the relatively described slide block 1 of described limited block 2. Preferably, described guiding part 6 selects threaded polished rod, and described stationary installation 61 adopts the nut matched with described polished rod.
Described tumbler 3 is arranged in described first groove 11 that described slide block 1 is offered, one end is positioned at below described first limiting section 12, it is connected with described slide block 1 by the first turning axle 7, and can rotate up around described first turning axle 7, owing to described this end of tumbler 3 can be supported by described first limiting section 12 when being rotated down, therefore can only rotate by a small margin. The other end of described tumbler 3 is connected by the 2nd turning axle 8 with described card component 4, described card component 4 can be rotated around described 2nd turning axle 8 relative to described tumbler 3, and one the 2nd groove 32 that described tumbler 3 upper and lower surface is connected is offered at this end, described 2nd groove 32 is for installing described card component 4, and described card component about 4 can be allowed to rotate; Described 2nd groove 32 is also positioned at described first turning axle 7 side. Described tumbler 3 is provided with one the 2nd limiting section 33, and described 2nd limiting section 33 is positioned at described first turning axle 7 side, is the extension of described tumbler 3 to described 2nd groove 32 side, for limiting the rotation of described card component 4. Described tumbler 3 is provided with, with the bottom of described first turning axle 7 junction, one the 2nd projection 31 carving type shape, described 2nd projection 31 described limited block 2 slide to described slide block 1 and from described slide block 1 recently time can be blocked by first projection 21 described on described limited block 2, and then limit the rotation of described tumbler 2, now, described 2nd projection 31 is positioned at described first protruding 21 sides, and not between described first protruding 21 and described 2nd turning axle 8. Preferably, described first turning axle 7 and the described 2nd parallel setting of turning axle 8, and it is perpendicular to the bearing of trend of described guiding part 6.
Taking described 2nd turning axle 8 as boundary, described card component 4 being divided into fastening end 41 and positive stop end 42, in its natural state, relative to described positive stop end 42, described fastening end 41 is closer to described card article 5. The gravity of described fastening end 41 is less than the gravity of described positive stop end 42, so that described card component 4 can rotate because of the difference of described fastening end 41 and described positive stop end 42 gravity in its natural state. The length of described positive stop end 42 is greater than the minor increment of described 2nd turning axle 8 to described 2nd limiting section 33, rotates to the over-tilting of described positive stop end 42 to limit described card component 4.Described fastening end 41 adopts angular shape near one end of described card article 5, is convenient to described card component 4 and can be stuck in described card article 5.
Described card article 5 is vertically fixed on the first side, groove 11 place described in described slide block 1, and when described slide block 1, described limited block 2 slide through described 3rd groove 22 of described first groove 11 of described slide block 1 and described limited block 2, and can not contact with described slide block 1, described limited block 2. The setting parallel with described guiding part 6 of described card article 5. Described card article 5 does not adopt helical teeth structure back on the side of described card component 4, when described limited block 2 is nearest from described slide block 1, described card article 5 blocks the described fastening end 41 of described card component 4, and described card component 4 and described tumbler 3 can be pinned under the effect of described limited block 2, and then described self-locking structure is made to reach the object of self-locking. Preferably, described card article 5 helical teeth vibrational power flow is at described card component 4 opposite side, the height of its upper surface when the mounting height at top stops higher than the slip of described slide block 1, and the length of helical teeth structure is not less than the height sum of described slide block 1 and described limited block 2, it is convenient to the self-locking better of described self-locking structure.
Described self-locking mechanism is when off working state, described tumbler 3 rotates around described first turning axle 7 because the gravity of described 2nd turning axle 8 side is relatively big, but the effect stopping rotation because of first limiting section 12 described on described slide block 1, finally, the described first turning axle 7 place end of described tumbler 3 is against on described first limiting section 12, and described tumbler 3 is rotated by a small margin. Described card component 4 when described tumbler 3 rotates also along with described tumbler 3 rotates, the situation rotated relative to described tumbler 3 is there is again because the gravity of positive stop end 42 described in described card component 4 is greater than the gravity of described fastening end 41, but described card component 4 can stop because of the supporting of described 2nd limiting section 33 rotating, now, the bottom of described positive stop end 42 directly contacts with described 2nd limiting section 33 upper surface.
Described self-locking structure is when realizing self-locking, described limited block 2 is slided on described guiding part 6 and is moved closer to described slide block 1, on described limited block 2, described first protruding 21 tops start to contact with bottom described tumbler 3, and block described 2nd projection 31 on described tumbler 3, now, described tumbler 3 upwards can rotate around described first turning axle 7, until just stopping rotating when described first protruding 21 tops and described slide block 1 base contact; Now, described tumbler 3, described card component 4 and described slide block 1 start to move with on described limited block 2. When described card component 4 contacts described card article 5, described fastening end 41 can be slipped in the skewed slot of described card article 5, described card component 4 described fastening end 41 under the effect of described card article 5 helical teeth can rotate around described 2nd turning axle 8, and drive described tumbler 3 to rotate, but owing to described first projection 21 is seized described 2nd projection 31, therefore described tumbler 3 can not rotate, and makes described card component 4 stop rotating after turning an angle. Now, described slide block 1, described limited block 2 stop upper sliding, and described tumbler 3, described card component 4 can not rotate, and the described fastening end 41 of described card component 4 is stuck in the skewed slot of described card article 5, and namely described self-locking structure realizes self-locking.
When described self-locking structure unlocks, described limited block 2 slide downward, described first projection 21 departs from described 2nd projection 31 gradually, at detach procedure, the trend that the described fastening end 41 of described card component 4 is rotated down around described 2nd turning axle 8 because having by the effect of described card article 5 helical teeth, and making described tumbler 3 have the trend upwards rotated around described first turning axle 7, described self-locking structure starts to unlock;After described first projection 21 departs from described 2nd projection 31 completely, described card component 4 and described tumbler 3 start to rotate, until described card component 4 departs from described card article 5 completely, now, described self-locking structure unlocks complete.
The present invention utilizes the self-locking structure that gravity designs as motivating force, and structure is simple, it may also be useful to convenient, self-locking is solid and reliable, has good practicality.
Above-mentioned explanation is the detailed explanation for the better possible embodiments of the present invention, but embodiment and be not used to limit the present invention patent application scope, the equal change or the modification that complete under technical spirit suggested by all the present invention are changed, and all should belong to the present invention and be contained patent scope.
Claims (10)
1. a self-locking structure, it is characterised in that: described self-locking structure comprises slide block, limited block, guiding part, tumbler, card component and card article; Described limited block is arranged in described slide block side, it is possible to slided by the relatively described slide block of described guiding part, and from described slide block nearest time can block described tumbler;
Described tumbler is rotatably connected with described slide block, and described card component is also rotatably connected with described tumbler, but is not connected with described slide block; Two rotation centers are not coaxial, so that described tumbler can drive described card component to rotate around described tumbler rotation center relative to described slide block;
Described slide block is provided with the first limiting section, and described first limiting section is positioned at described tumbler rotation center side, it is possible to limit the rotation of described tumbler; Described tumbler is provided with the 2nd limiting section, and described 2nd limiting section is positioned at described positive stop end side, for limiting the rotation of described positive stop end;
Described card article is arranged in described slide block side, setting parallel with described guiding part, adopts helical teeth structure, to block described card component when contacting with described card article; When described limited block is from, when described slide block is nearest and described card article blocks described card component, described limited block blocks described tumbler, described tumbler and described card component can not rotate, and described self-locking structure realizes self-locking.
2. self-locking structure as claimed in claim 1, it is characterised in that: the helical teeth structure of described card article is not carried on the back to described card component; Described first turning axle and the described 2nd parallel setting of turning axle, and it is perpendicular to the bearing of trend of described guiding part.
3. self-locking structure as claimed in claim 1, it is characterized in that: described limited block is furnished with first protruding, being furnished with the 2nd on described tumbler protruding, it is protruding that described first projection blocks the described 2nd when described limited block is nearest from described slide block, to limit the rotation of described tumbler.
4. self-locking structure as claimed in claim 1, it is characterised in that: described slide block has offered the first groove, and described tumbler is arranged in the first groove on described slide block, and can rotate in described first groove; Described first limiting section is arranged in described first groove one end.
5. self-locking structure as claimed in claim 1, it is characterised in that: described tumbler has been offered the 2nd groove; Described card component is arranged in described 2nd groove, and can rotate in described 2nd groove.
6. self-locking structure as claimed in claim 5, it is characterised in that: described 2nd limiting section is positioned at one end of described 2nd groove, and from the nearest side of described first turning axle.
7. self-locking structure as claimed in claim 1, it is characterised in that: described card component, taking described card component rotation center as boundary, is divided into fastening end and positive stop end, and described positive stop end gravity is greater than described fastening end.
8. self-locking structure as claimed in claim 7, it is characterised in that: the length of described positive stop end is greater than the minor increment of described card component rotation center to described 2nd limiting section.
9. self-locking structure as claimed in claim 7, it is characterised in that: described fastening end adopts the structure of tip-angled shape; In its natural state, relative to described positive stop end, described fastening end is closer to described card article.
10. self-locking structure as claimed in claim 1, it is characterised in that: described slide block can slide, the height at place when the mounting height of described card article helical teeth structural top stops higher than the slip of described slide block; The length of described card article helical teeth structure is not less than the height sum of described slide block and described limited block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610167495.6A CN105650082B (en) | 2016-03-23 | 2016-03-23 | A kind of self-locking structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610167495.6A CN105650082B (en) | 2016-03-23 | 2016-03-23 | A kind of self-locking structure |
Publications (2)
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CN105650082A true CN105650082A (en) | 2016-06-08 |
CN105650082B CN105650082B (en) | 2017-09-29 |
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CN201610167495.6A Active CN105650082B (en) | 2016-03-23 | 2016-03-23 | A kind of self-locking structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110315483A (en) * | 2019-07-27 | 2019-10-11 | 开封大学 | A kind of concealed expansible workbench |
Citations (8)
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---|---|---|---|---|
CN2386141Y (en) * | 1999-08-13 | 2000-07-05 | 胡义荣 | Hasp lock |
US20020196579A1 (en) * | 2001-06-25 | 2002-12-26 | Keishi Iwasaki | Cassette loading device |
JP2004227166A (en) * | 2003-01-21 | 2004-08-12 | Internatl Business Mach Corp <Ibm> | Docking type function providing device and portable apparatus |
CN2673198Y (en) * | 2003-10-22 | 2005-01-26 | 南俊国际股份有限公司 | Drawer interlocking fixing pawl device |
CN201200132Y (en) * | 2008-04-17 | 2009-03-04 | 陈海斌 | Device for locking drawer |
US20100043502A1 (en) * | 2008-08-22 | 2010-02-25 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Portable apparatus and fastening device thereof |
CN103867046A (en) * | 2012-12-17 | 2014-06-18 | 富泰华工业(深圳)有限公司 | Locking mechanism and display device with same |
CN205654682U (en) * | 2016-03-23 | 2016-10-19 | 广西大学 | Construct from individual malposed tooth |
-
2016
- 2016-03-23 CN CN201610167495.6A patent/CN105650082B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2386141Y (en) * | 1999-08-13 | 2000-07-05 | 胡义荣 | Hasp lock |
US20020196579A1 (en) * | 2001-06-25 | 2002-12-26 | Keishi Iwasaki | Cassette loading device |
JP2004227166A (en) * | 2003-01-21 | 2004-08-12 | Internatl Business Mach Corp <Ibm> | Docking type function providing device and portable apparatus |
CN2673198Y (en) * | 2003-10-22 | 2005-01-26 | 南俊国际股份有限公司 | Drawer interlocking fixing pawl device |
CN201200132Y (en) * | 2008-04-17 | 2009-03-04 | 陈海斌 | Device for locking drawer |
US20100043502A1 (en) * | 2008-08-22 | 2010-02-25 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Portable apparatus and fastening device thereof |
CN103867046A (en) * | 2012-12-17 | 2014-06-18 | 富泰华工业(深圳)有限公司 | Locking mechanism and display device with same |
CN205654682U (en) * | 2016-03-23 | 2016-10-19 | 广西大学 | Construct from individual malposed tooth |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110315483A (en) * | 2019-07-27 | 2019-10-11 | 开封大学 | A kind of concealed expansible workbench |
Also Published As
Publication number | Publication date |
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CN105650082B (en) | 2017-09-29 |
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