CN105650082B - A kind of self-locking structure - Google Patents
A kind of self-locking structure Download PDFInfo
- Publication number
- CN105650082B CN105650082B CN201610167495.6A CN201610167495A CN105650082B CN 105650082 B CN105650082 B CN 105650082B CN 201610167495 A CN201610167495 A CN 201610167495A CN 105650082 B CN105650082 B CN 105650082B
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- CN
- China
- Prior art keywords
- tumbler
- sliding block
- self
- fastener
- locking structure
- 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.)
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Links
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 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 present invention provides a kind of self-locking structure, including sliding block, limited block, guide, tumbler, fastener and card article;Limited block is arranged in sliding block side, can be slided by guide opposing slider, and can block tumbler when nearest from sliding block;Tumbler is rotatably connected with sliding block, and fastener is also rotatably connected with tumbler, but is not connected to sliding block;Two pivots are not coaxial, so that tumbler can drive fastener to be rotated around tumbler pivot opposing slider;Sliding block is provided with the first limiting section, and tumbler is provided with the second limiting section;Card article is arranged in sliding block side, is be arranged in parallel with guide, using helical teeth structure, fastener when being contacted with blocking with card article;When limited block is nearest from sliding block and card article blocks fastener, limited block blocks tumbler, and tumbler and fastener can not rotate, and self-locking structure realizes self-locking.The present invention designs self-locking structure using gravity principle, and simple in construction, self-locking property is good, safe and reliable, and practicality is good.
Description
【Technical field】
The present invention relates to locking device field, more particularly to a kind of self-locking structure for being used to slide up and down device.
【Background technology】
Miscellaneous self-locking structure is presently, there are, structure differs, and principle is also not quite similar, certain structures are simple, still
Self-locking is not firm enough, and self-locking property preferably stronger self-locking structure, and structure is complex, in addition some parts it is more difficult plus
Work, adds the cost of production.Therefore, it is necessary to provide, a kind of simple in construction, easy to use, self-locking property is good, production cost
Relatively low, the stronger self-locking structure of practicality.
【The content of the invention】
To reach above-mentioned purpose, the technical solution adopted in the present invention is:A kind of self-locking structure, the self-locking structure includes
Sliding block, limited block, guide, tumbler, fastener and card article;The limited block is arranged in the sliding block side, can pass through
The guide sliding block relatively is slided, and can block the tumbler when nearest from the sliding block;The tumbler
It is rotatably connected, the fastener is also rotatably connected with the tumbler, but is not connected to the sliding block with the sliding block;Two rotations
Center is not coaxial, so that the tumbler can drive the fastener around the relatively described sliding block of the tumbler pivot
Rotate;The sliding block is provided with the first limiting section, and first limiting section is located at the tumbler pivot side, can limited
Make the rotation of the tumbler;The tumbler is provided with the second limiting section, and second limiting section is located at the positive stop end one
Side, the rotation for limiting the positive stop end;The card article is arranged in the sliding block side, is be arranged in parallel with the guide,
Using helical teeth structure, fastener when being contacted with blocking with the card article;When the limited block from the sliding block recently and
When the card article blocks the fastener, the limited block blocks the tumbler, and the tumbler and the fastener can not
Rotation, the self-locking structure realizes self-locking.
Further, the helical teeth structure of the card article not dorsad fastener;First rotary shaft and described second
Rotary shaft be arranged in parallel, and perpendicular to the bearing of trend of the guide.
Further, be disposed with the limited block it is first raised, be disposed with the tumbler it is second raised, described the
One projection blocks second projection when the limited block is nearest from the sliding block, to limit the rotation of the tumbler.
Further, the sliding block offers the first groove, and the tumbler is arranged on the first groove on the sliding block
It is interior, and can be rotated in first groove;First limiting section is arranged in described first groove one end.
Further, the second groove is offered on the tumbler;The fastener is arranged in second groove, and
And can be rotated in second groove.
Further, second limiting section is located at one end of second groove, and nearest from first rotary shaft
Side.
Further, the fastener is divided into fastening end and positive stop end, the limit using the fastener pivot as boundary
Position end gravity is more than the fastening end.
Further, the length of the positive stop end is more than the fastener pivot to the minimum of second limiting section
Distance.
Further, the fastening end uses the structure of tip-angled shape;In its natural state, relative to the positive stop end, institute
Fastening end is stated closer to the card article.
Further, the sliding block can be slided, and the setting height(from bottom) of the card article helical teeth structural top is higher than the sliding block
Slide the height where when stopping;The length of the card article helical teeth structure not less than the sliding block and the limited block height it
With.
The invention has the advantages that:
The present invention is using the self-locking structure of the principle design of gravity, and simple in construction, easy to operate, self-locking property is good, safety
Reliably, easy processing, with preferable practicality.
【Brief description of the drawings】
Fig. 1 is a kind of structural perspective of self-locking structure of the invention.
Sectional view when Fig. 2 is self-locking structure self-locking of the present invention.
Sectional view when Fig. 3 is self-locking structure unblock of the present invention.
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 fastener of the present invention.
Main element symbol description
Sliding block 1 | First groove 11 | First limiting section 12 |
Limited block 2 | First projection 21 | 3rd groove 22 |
Tumbler 3 | Second projection 31 | Second groove 32 |
Second limiting section 33 | Fastener 4 | Fastening end 41 |
Positive stop end 42 | Card article 5 | Guide 6 |
Fixing device 61 | First rotary shaft 7 | Second rotary shaft 8 |
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
【Embodiment】
Fig. 1 to Fig. 7 is referred to, in a kind of better embodiment of the present invention, a self-locking structure includes a sliding block 1, one
Limited block 2, a tumbler 3, a fastener 4, a card article 5 and guide 6.
The side of sliding block 1 offers one first groove 11, and first groove 11 connects the upper and lower surface of sliding block 1
It is logical;One first limiting section 12 is provided with the bottom surface top of the first groove 11, first limiting section 12 uses the form of baffle plate.
Preferably, the upper surface of the first limiting section 12 and the upper surface of sliding block 1 are coplanar.
The limited block 2 is arranged in the lower section of sliding block 1, is connected by the guide 6 with the sliding block 1, and can edge
The relatively described sliding block 1 of the guide 6 to slide up and down.The top of limited block 2 sets one first projection 21, and described first is convex
Rise 21 slided on the limited block 2 and from the sliding block 1 it is nearest when can prop up the sliding block 1, and drive the sliding block 1 to slide
It is dynamic.The side of limited block 2, which is offered, makes one the 3rd groove 22 of the upper and lower surface of limited block 2 connection, the 3rd groove
22 with the homonymy of the first groove 11, and in the described first raised 21 side, it is preferable that the 3rd groove 22 and described first
The width of groove 11 is identical.In another embodiment of the invention, the sliding block 1 can be along the relatively described limit of the guide 6
Position block 2 is slided, glide and it is nearest from the limited block 2 when can be contacted with first projection 21, and then drive the limit
Position block 2 is slided.
Described one end of guide 6 is fixed on the sliding block 1, and the other end is provided with for preventing the limited block 2 from dropping
A fixing device 61, the fixing device 61 can also limit the sliding distance of the relatively described sliding block 1 of the limited block 2.It is preferred that
Ground, the guide 6 selects threaded polished rod, and the fixing device 61 is using the nut matched with the polished rod.
The tumbler 3 is arranged in first groove 11 that the sliding block 1 is opened up, and it is spacing that one end is located at described first
The lower section of portion 12, is connected by the first rotary shaft 7 with the sliding block 1, and can be rotated up around first rotary shaft 7, downwards
Because described end of tumbler 3 can be propped up by first limiting section 12 during rotation, therefore it can only rotate by a small margin.It is described to rotate
The other end of part 3 is connected with the fastener 4 by the second rotary shaft 8, enables the fastener 4 around the described second rotation
Axle 8 is rotated relative to the tumbler 3, and one second groove for connecting the upper and lower surface of tumbler 3 is offered at the end
32, second groove 32 is used to install the fastener 4, and the fastener 4 can be allowed to rotate upwardly and downwardly;Second groove
32 are also located at the side of the first rotary shaft 7.The tumbler 3 is provided with one second limiting section 33, second limiting section 33
It is extension of the tumbler 3 to the side of the second groove 32 positioned at the side of the first rotary shaft 7, it is described for limiting
The rotation of fastener 4.The bottom of the tumbler 3 and the junction of the first rotary shaft 7 is provided with one second projection for carving type shape
31, second projection 31 the limited block 2 slided to the sliding block 1 and it is nearest from the sliding block 1 when can be by described spacing
First projection 21 is blocked on block 2, and then limits the rotation of the tumbler 3, now, and second projection 31 is located at institute
The first raised 21 side is stated, and not between the described first projection 21 and second rotary shaft 8.Preferably, first rotation
Rotating shaft 7 be arranged in parallel with second rotary shaft 8, and perpendicular to the bearing of trend of the guide 6.
It is boundary with second rotary shaft 8, is fastening end 41 and positive stop end 42 by 4 points of the fastener, in natural shape
Under state, relative to the positive stop end 42, the fastening end 41 is closer to the card article 5.The gravity of the fastening end 41 is less than institute
The gravity of positive stop end 42 is stated, so that the fastener 4 in its natural state can be because of the fastening end 41 and the positive stop end 42
Gravity difference and rotate.The length of the positive stop end 42 is more than second rotary shaft 8 to second limiting section 33
Minimum range, with limit over-tilting from the fastener 4 to the positive stop end 42 rotate.The fastening end 41 is close to described
One end of card article 5 uses angular shape, is easy to the fastener 4 to be stuck in the card article 5.
The card article 5 is fixed on the place side of the first groove 11 described in the sliding block 1 vertically, and can be in the sliding block 1, described
Through first groove 11 and the 3rd groove 22 of the limited block 2 of the sliding block 1 when limited block 2 is slided, and with
The sliding block 1, the limited block 2 are not contacted.The card article 5 be arranged in parallel with the guide 6.The card article 5 not back on
The side of the fastener 4 uses helical teeth structure, and when the limited block 2 is nearest from the sliding block 1, the card article 5 blocks institute
The fastening end 41 of fastener 4 is stated, and the fastener 4 and the rotation can be pinned in the presence of the limited block 2
Part 3, and then the self-locking structure is reached the purpose of self-locking.Preferably, the helical teeth structure setting of card article 5 is in the fastener
4 opposite sides, the setting height(from bottom) at top slides the height of its upper surface when stopping, and the length of helical teeth structure higher than the sliding block 1
Degree is easy to the self-locking structure preferably self-locking not less than the height sum of the sliding block 1 and the limited block 2.
The self-locking mechanism in off working state, the tumbler 3 because the gravity of the side of the second rotary shaft 8 is larger and
Rotated down around first rotary shaft 7, but because the effect of first limiting section 12 on the sliding block 1 stops operating,
Finally, the place end of first rotary shaft 7 of the tumbler 3 is against on first limiting section 12, and the tumbler 3 is obtained
Rotate by a small margin.The fastener 4 is rotated when the tumbler 3 is rotated also with the tumbler 3, and because of the fastener
The gravity of positive stop end 42 described in 4 is more than the gravity of the fastening end 41 and occurs the situation rotated relative to the tumbler 3, but
The fastener 4 can because being stopped operating the propping up of second limiting section 33, now, the bottom of the positive stop end 42 with it is described
The upper surface of second limiting section 33 is directly contacted.
The self-locking structure is when realizing self-locking, and the limited block 2 is slided along on the guide 6 and moved closer to described
The top of first projection 21 starts to contact with the bottom of tumbler 3 on sliding block 1, the limited block 2, and blocks described turn
Second projection 31 on moving part 3, now, the tumbler 3 can be rotated up around first rotary shaft 7, until
The top of first projection 21 just stops operating when being contacted with the bottom of sliding block 1;Now, the tumbler 3, the fastener
4 and the sliding block 1 start to move up with the limited block 2.When the fastener 4 contacts the card article 5, the fastening end
41 can slip into the skewed slot of the card article 5, and the fastening end 41 can be around in the presence of the helical teeth of card article 5 for the fastener 4
Second rotary shaft 8 to rotate down, and drive the tumbler 3 to rotate, but by first projection 21 is seized institute
The second projection 31 is stated, therefore the tumbler 3 can not be rotated, and the fastener 4 is stopped operating after turning an angle.
Now, the sliding block 1, the limited block 2 stop on it is sliding, the tumbler 3, the fastener 4 can not be rotated, the fastener
4 fastening end 41 is stuck in the skewed slot of the card article 5, and the self-locking structure is to realize self-locking.
During the self-locking structure unblock, the slide downward of limited block 2, first projection 21 progressively disengages described second
Projection 31, is departing from process, the fastening end 41 of the fastener 4 by the effect of the helical teeth of card article 5 because being had described in
The trend that second rotary shaft 8 is rotated down, and the tumbler 3 is had the trend being rotated up around first rotary shaft 7, institute
State self-locking structure and start unblock;After first projection 21 completely disengages from the second projection 31, the fastener 4 and described
Tumbler 3 starts to rotate, until the fastener 4 completely disengages from the card article 5, now, the self-locking structure unblock is finished.
The present invention uses gravity as the self-locking structure of driving force design, and simple in construction, easy to use, self-locking firmly may be used
Lean on, with preferable practicality.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
The equal change or modification change completed under bright patent claim, the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (10)
1. a kind of self-locking structure, it is characterised in that:The self-locking structure includes sliding block, limited block, guide, tumbler, engaging
Part and card article;The limited block is arranged in the sliding block side, can be slided by the relatively described sliding block of the guide, and
The tumbler can be blocked when nearest from the sliding block;
The tumbler is rotatably connected with the sliding block, and the fastener is also rotatably connected with the tumbler, but with the cunning
Block is not connected to;Two pivots are not coaxial, so that the tumbler can drive the fastener to be rotated around the tumbler
Center is rotated relative to the sliding block;The fastener is divided into fastening end and positive stop end using the fastener pivot as boundary;
The sliding block is provided with the first limiting section, and first limiting section is located at the tumbler pivot side, can limited
Make the rotation of the tumbler;The tumbler is provided with the second limiting section, and second limiting section is located at the positive stop end one
Side, the rotation for limiting the positive stop end;
The card article is arranged in the sliding block side, is be arranged in parallel with the guide, using helical teeth structure, with block with it is described
Fastener when card article is contacted;When the limited block is nearest from the sliding block and the card article blocks the fastener,
The limited block blocks the tumbler, and the tumbler and the fastener can not rotate, and the self-locking structure realizes self-locking.
2. self-locking structure as claimed in claim 1, it is characterised in that:The not dorsad engaging of the helical teeth structure of the card article
Part;One end of the tumbler is connected by the first rotary shaft with the sliding block, and the other end passes through the second rotation with the fastener
Rotating shaft is connected;First rotary shaft and second rotary shaft be arranged in parallel, and perpendicular to the bearing of trend of the guide.
3. self-locking structure as claimed in claim 1, it is characterised in that:The first projection, described turn are disposed with the limited block
The second projection is disposed with moving part, it is convex that first projection blocks described second when the limited block is nearest from the sliding block
Rise, to limit the rotation of the tumbler.
4. self-locking structure as claimed in claim 1, it is characterised in that:The sliding block offers the first groove, the tumbler
In the first groove on the sliding block, and it can be rotated in first groove;The first limiting section arrangement
In described first groove one end.
5. self-locking structure as claimed in claim 2, it is characterised in that:The second groove is offered on the tumbler;The card
Component is arranged in second groove, and can be rotated in second groove.
6. self-locking structure as claimed in claim 5, it is characterised in that:Second limiting section is located at the one of second groove
End, and the side nearest from first rotary shaft.
7. self-locking structure as claimed in claim 1, it is characterised in that:The positive stop end gravity is more than the fastening end.
8. self-locking structure as claimed in claim 7, it is characterised in that:The length of the positive stop end rotates more than the fastener
Minimum range of the center to second limiting section.
9. self-locking structure as claimed in claim 7, it is characterised in that:The fastening end uses the structure of tip-angled shape;In nature
Under state, relative to the positive stop end, the fastening end is closer to the card article.
10. self-locking structure as claimed in claim 1, it is characterised in that:The sliding block can be slided, the card article helical teeth structure
The setting height(from bottom) at top slides the height where when stopping higher than the sliding block;The length of the card article helical teeth structure is not less than institute
State the height sum of sliding block and the limited block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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)
Publication Number | Publication Date |
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CN105650082A CN105650082A (en) | 2016-06-08 |
CN105650082B true CN105650082B (en) | 2017-09-29 |
Family
ID=56494403
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Application Number | Title | Priority Date | Filing Date |
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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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CN (1) | CN105650082B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110315483A (en) * | 2019-07-27 | 2019-10-11 | 开封大学 | A kind of concealed expansible workbench |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2386141Y (en) * | 1999-08-13 | 2000-07-05 | 胡义荣 | Hasp lock |
JP2003006960A (en) * | 2001-06-25 | 2003-01-10 | Matsushita Electric Ind Co Ltd | Cassette loading device |
JP3801566B2 (en) * | 2003-01-21 | 2006-07-26 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Docking type function providing device and portable device |
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 |
CN101657079B (en) * | 2008-08-22 | 2012-11-21 | 鸿富锦精密工业(深圳)有限公司 | Rotating system and fixture with same |
CN103867046B (en) * | 2012-12-17 | 2017-10-27 | 富泰华工业(深圳)有限公司 | Locking mechanism and the display device with the locking mechanism |
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
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