CN107061440A - A kind of expandable type locking, unblock, mutual interlocking gear - Google Patents
A kind of expandable type locking, unblock, mutual interlocking gear Download PDFInfo
- Publication number
- CN107061440A CN107061440A CN201611175861.9A CN201611175861A CN107061440A CN 107061440 A CN107061440 A CN 107061440A CN 201611175861 A CN201611175861 A CN 201611175861A CN 107061440 A CN107061440 A CN 107061440A
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- Prior art keywords
- level
- pull bar
- insertion part
- interlocking
- elongated insertion
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- 238000003780 insertion Methods 0.000 claims abstract description 52
- 230000037431 insertion Effects 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
Abstract
The present invention discloses a kind of expandable type locking, interlocking, unlocking mechanism, and elongated insertion part and unblock pull bar are designed with interior level;Elongated insertion part, clamping block, unblock pull bar and interlocking push rod are designed with middle level;Clamping block is only designed with outer level.Coordinate inclined-plane to coordinate by unlocking effect inclined-plane and the interlocking push rod end of pull bar between level to overlap, realize the interlocking when drawing between two levels;And overlapped by cooperation between elongated insertion part and clamping block between level, realize interlocking upon deployment between two levels.The present invention is locked as passive type, unlocks to be active, it is ensured that the active during expansion is locked and drawn in place is unlocked, available in the development agency device of various uses, with preferable versatility.
Description
Technical field
The invention belongs to field of mechanical technique, and in particular to it is a kind of can the in parallel, locking of series connection extension, unblock and mutual lock machine
Structure, be it is a kind of can be used for order can Zhan Shou mechanisms locking, unblock and mutual interlocking gear, can be achieved can Zhan Shou mechanisms order exhibition
Receive, it is adaptable to which multistage (three-level and more than) sequentially can Zhan Shou mechanisms.
Background technology
In mechanical device, for convenience of storage, carrying, transport etc., many devices can fold receipts in a non-operative state
Hold together, deploy in use, be locked to working condition.Can Zhan Shou mechanisms had a wide range of applications in mechanical device.At certain
Under a little specific conditions, the gathering of mechanical device and expansion process need to carry out sequential control, to meet the demand of function and performance.
This require can Zhan Shou mechanisms can realize that unblock is outer when expansion is realized locking, drawn in place, also to be realized after gathering adjacent
Interlocking between level component.
Although having some similar means devices at present, locking rigidity is undesirable in place for expansion when single mechanism is used, multiple
Mechanism arranges in pairs or groups when using due to moving onrelevant between mechanism arrangement, due to reasons such as processing and manufacturing errors so that when deploying in place
Locking is asynchronous, unlocks asynchronous during gathering, also results in automatic detection and locks successfully and draw in difficulty when successfully.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of expandable type locking, interlocking, unlocking mechanism, Longitudinal Extension can be realized
Function is received in order exhibition, extending transversely to improve the locking rigidity of Zhan Shou mechanisms, and ensures to lock the synchronism of releasing process.
A kind of expandable type locking of the present invention, interlocking, unlocking mechanism, including elongated insertion part, clamping block, unblock pull bar and interlocking
Push rod.
Elongated insertion part and unblock pull bar are designed with interior level;Be designed with middle level elongated insertion part, clamping block, unblock pull bar with
Interlocking push rod;Clamping block is only designed with outer level.
In middle level and outer level, clamping block is installed in the installing port that level top sidewall is opened up;Clamping block is designed with
Towards the inclined-plane on the outside of level, lock face is used as.
In interior level and middle level, the installation end of elongated insertion part is articulated with level bottom sidewall;And elongated insertion part passes through with lacking
It is hinged at mouthful.Unblock pull bar is slidably mounted on level bottom, with the prismatic pair along level axial direction;Unblock pull bar side wall is circumferentially set
In respect of effect inclined-plane;Elongated insertion part is hinged by unlocking link with unblock pull bar simultaneously.
In middle level, interlocking push rod is installed on level bottom, with the prismatic pair along level radial direction;Interlocking push rod front end end
Portion is designed as coordinating inclined-plane;And elongated insertion part is hinged by interlocking connecting rod with interlocking push rod.
Above-mentioned interior level is circumferentially also devised with annular outer platform, middle level and outer level top with middle level bottom outer wall
Wall is designed with annular inner convex platform.
When each level is in rounding state, the unblock pull bar bottom in interior level is with unlocking pull bar top phase in middle level
Connect;The effect inclined-plane and the interlocking push rod end in middle level that pull bar is unlocked in interior level coordinate inclined-plane cooperation to overlap.
When each level is in its fully unfolded position, pass through the locking of the keyed end and clamping block of elongated insertion part between adjacent level
Overlap joint between face coordinates, and constitutes planar higher pairs, realizes the locking between adjacent level.
The advantage of the invention is that:
1st, a kind of expandable type locking of the invention, interlocking, unlocking mechanism, are locked as passive type, unlock to be active, it is ensured that
Active during expansion is locked and drawn in place is unlocked;
2nd, a kind of expandable type locking of the invention, interlocking, unlocking mechanism can carry out extending transversely, realize the suitable of development agency
Sequence is deployed to draw in order;
3rd, a kind of expandable type locking of the invention, interlocking, unlocking mechanism interlocking unblock sensitivity height, versatility are good, can use
In the development agency device of various uses, with preferable versatility.
4th, a kind of expandable type locking of the invention, interlocking, unlocking mechanism can carry out extending transversely, it is ensured that expansion in place when lock
Fixed synchronism and the synchronism of releasing process, and improve the rigidity that development agency is locked in place.
Brief description of the drawings
Fig. 1 is mechanism unit lock-out state of the present invention and released state structural representation;
Fig. 2 is mechanism unit of the present invention schematic diagram extending transversely;
Fig. 3 is mechanism unit Longitudinal Extension schematic diagram of the present invention;
Fig. 4 is the double unit interlocking structure schematic diagrames of mechanism of the present invention;
Fig. 5 is that mechanism of the present invention draws process unblock in, while producing interlock process schematic diagram;
Fig. 6 is mechanism deploying process of the present invention locking, while interlocking relief structure schematic diagram;
Fig. 7 is the installing component structure extending transversely in each level in expandable type of the present invention locking, unblock, mutual interlocking gear
Schematic diagram.
In figure:
1- elongated insertion part 2- clamping blocks 3- unlocks pull bar
4- interlocking push rods 5- interlocks connecting rod 6- unlocking links
201- lock faces 301- acts on inclined-plane 303- positioning convex
401- coordinates inclined-plane
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
Expandable type locking of the present invention, interlocking, unlocking mechanism, including elongated insertion part 1, clamping block 2, unblock pull bar 3 and interlocking
Push rod 4.With three-level Zhan Shou mechanisms, the present invention will be described below:
As shown in figure 1, in three-level Zhan Shou mechanisms, elongated insertion part 1 and unblock pull bar 3 are designed with interior level.Set in middle level
In respect of elongated insertion part 1, clamping block 2, unblock pull bar 3 and interlocking push rod 4.Clamping block 2 is only designed with outer level;Specific design mode
It is as follows:
In middle level and outer level, clamping block 2 is installed in the installing port that level top sidewall is opened up;Clamping block 2 is designed
Have towards the inclined-plane on the outside of level, be used as lock face 201.
In interior level and middle level, the installation end of elongated insertion part 1, which is installed on by the way of being hinged in level bottom sidewall, to be set
In the breach of meter, with along the level radial rotating free degree;Unblock pull bar 3 is installed on level bottom using the mode that is slidably connected
On the mounting bracket of design, the prismatic pair along level axial direction is formed;The unblock side wall of pull bar 3, which is circumferentially designed with, acts on inclined-plane 301, and
Unlock the tip designs detent 302 of pull bar 3, bottom terminal ends Design Orientation projection 303.Elongated insertion part 1 passes through unlocking link 5 simultaneously
It is connected with unblock pull bar 3, the two ends of unlocking link 5 are cut with scissors with the locking side wall and unblock pull bar 3 tip side wall of elongated insertion part 1 respectively
Connect.
In middle level, interlocking push rod 4 is using the mode that is slidably connected, on the mounting bracket for being installed on level bottom, is formed along layer
The prismatic pair of level radial direction;The forward end of interlocking push rod 4 is designed as coordinating inclined-plane 401;And elongated insertion part 1 by interlock connecting rod 5 with mutually
Lock push rod 4 to be connected, interlocking connecting rod 5 two ends are side walls hinged with the keyed end of elongated insertion part 1 and interlocking connecting rod 5 end respectively.
Above-mentioned interior level is circumferentially also devised with annular outer platform, middle level and outer level top with middle level bottom outer wall
Wall is designed with annular inner convex platform.
As shown in Fig. 2 when three-level Zhan Shou mechanisms are in rounding state, the bottom convex of unblock pull bar 3 in interior level
The top detent 302 of unblock pull bar 3 in level in 303 insertions is played, coordinates positioning.Unblock pull bar 3 in interior level is circumferential
Act on inclined-plane 301 coordinates inclined-plane 401 to coordinate overlap joint with the end of interlocking push rod 4 in middle level.Thus, the end of interlocking push rod 4 is passed through
Portion coordinates inclined-plane 401 to limit interior level and the axial movement of the unblock pull bar 3 in middle level, realizes three-level Zhan Shou mechanisms complete
Locking during rounding state.
As shown in figure 1, when three-level Zhan Shou mechanisms are in its fully unfolded position, passing through the lock of elongated insertion part 1 between adjacent level
Overlap joint between the lock face 201 of fixed end and clamping block 2 coordinates, and constitutes planar higher pairs, realizes the locking between adjacent level;Specific exhibition
Open procedure is as follows:
As shown in figure 3, when inter-agency expansion is received in three-level exhibition, unblock pull bar 3 applies expansion power, Jin Erla in inside level
Level is moved up in dynamic;In said process, interior level does not rotate with elongated insertion part 1 in middle level, therefore is interlocked in interior level
The end of push rod 4 coordinates inclined-plane 401 still to limit axial movement of the interior level with unlocking pull bar 3 in middle level, therefore interior level meeting
Level is moved in the lump in drive, elongated insertion part 1 in middle level is moved up along outer level inwall, up to middle level bottom outer lug boss and outside
Overlap and coordinate between layer inner convex platform, level is moved up in limitation, and now elongated insertion part 1 is located just at outer level tip designs in middle level
Installing port at;Continue to unlock the application expansion power of pull bar 3 in inside level, can make to unlock the circumferential effect of pull bar 3 in interior level tiltedly
The end of interlocking push rod 4 coordinates the level lateral direction in of inclined-plane 401 to move in level during face 401 is promoted, now in middle level
The end of interlocking push rod 4 coordinates inclined-plane 401 to be separated with unlocking the effect inclined-plane 301 of pull bar 3 in interior level, completes interior level and middle level
Unlocked between level.In said process, the keyed end for moving radially elongated insertion part 1 in level in also drive of interlocking push rod 4 in middle level
With the lock face 201 of clamping block 2 is overlapped and coordinated in installing port in outer level, now being fully deployed simultaneously between middle level and outer level
Locking.Continue to unlock the application expansion power of pull bar 3 in inside level, elongated insertion part 1 in interior level is moved up along outer level inwall, until
Overlap and coordinate between interior level bottom outer lug boss and middle level inner convex platform, limit moving up for interior level, now elongated insertion part 1 in interior level
At the installing port for being located just at middle level tip designs, while the keyed end of elongated insertion part 1 and installing port in middle level in interior level
The overlap joint of lock face 201 of interior clamping block 2 coordinates;Now being fully deployed between interior level and middle level and lock.
As shown in figure 5, when above-mentioned three-level Zhan Shou mechanisms are in its fully unfolded position, keyed end and the clamping block 2 of elongated insertion part 1
Lock face 201 between friction coefficient μ locking between adjacent two layers level can be achieved when need to meet following formula relation,:
μ > | tan (α-θ) | (1)
Now no matter being applied to the releasing force of level axial direction has much, can not all realize the unblock between adjacent level, it is ensured that
Lock function between two adjacent layers level.In formula (1), α is the lock face inclination angle of clamping block, and θ is to be hinged between elongated insertion part and level
Place and level open up debit to angle.
Pull bar 3 is unlocked when three-level Zhan Shou mechanisms are drawn in, in inside level and applies releasing force, is reversed three-level exhibition receipts machine
Structure expansion operation, you can realize transformation of the three-level Zhan Shou mechanisms by its fully unfolded position to complete rounding state;Specifically drew in
Journey is as follows:
When three-level Zhan Shou mechanisms are drawn in, apply releasing force on the unblock pull bar 3 of inside level, make unblock pull bar 3 relative
Interior level moves down a segment distance, pulls elongated insertion part 1 in interior level to rotation on the inside of level, to make by unlocking pull bar 3 in interior level
During the keyed end of elongated insertion part 1 departs from interior level in level clamping block 2 lock face 201, now solved between interior level and middle level
Lock.Further interior level is set to continue to move down by releasing force, until during unblock pull bar 3 bottom positioning convex 303 is inserted in interior level
Unlock in the top detent 302 of pull bar 3, drawn in completely between interior level and middle level in level;During subsequent releasing force can be promoted
The relatively middle level of exhibition bar of level moves down a segment distance, in being pulled by unlocking pull bar 3 in middle level in level elongated insertion part 1 to layer
Level inner side is rotated, and departs from the lock face 201 of clamping block 2 in outer level, is now unlocked between middle level and outer level.In above-mentioned middle level
Level with outer level releasing process, because elongated insertion part 1 is rotated towards on the inside of level in middle level, so in promoting in level mutually
Lock connecting rod 5 to be servo-actuated, further by interlocking during connecting rod 5 is promoted in level the direction on the inside of level in of interlocking push rod 4 in middle level
Mobile, now the end of interlocking push rod 4 coordinates the effect inclined-plane 301 of inclined-plane 401 and the unblock pull bar 3 in middle level to coordinate and overlapped,
Interlocking after level is drawn in middle level in completing.Level is moved down in further promoting, until three-level Zhan Shou mechanisms are drawn in completely.
As shown in fig. 6, during above-mentioned three-level Zhan Shou mechanisms unblock, keyed end and the lock face of clamping block 2 only in elongated insertion part 1
When 201 friction coefficient μs meet following formula, just by putting on the axial releasing force of level the lock segments of elongated insertion part 1 can be made to depart from lock
Determine the lock face 201 of block 2, realize the unblock between adjacent level:
In formula (2), β be unlocking link and level open up debit to angle;Lock faces 201 and locking of the l for locking tongue
Contact position between the lock face 201 of block, to jointed shaft axial line distance between elongated insertion part and level;l1For unlocking link and elongated insertion part
Between jointed shaft axis, to jointed shaft axial line distance between elongated insertion part and level.
If the level quantity of Zhan Shou mechanisms is more than three, can be considered has multiple middle levels between interior level and outer level
Level, with the expansion of above-mentioned identical and tucked way, just can realize the expansion and gathering between adjacent middle level.Meanwhile, the present invention can
In expanded type locking, interlocking, unlocking mechanism, the installing component in each level can carry out extending transversely, the lock of raising Zhan Shou mechanisms
Determine rigidity, as shown in Figure 7.
Claims (4)
1. a kind of expandable type locking, interlocking, unlocking mechanism, it is characterised in that:Including elongated insertion part, clamping block, unblock pull bar with
Interlocking push rod;
Elongated insertion part and unblock pull bar are designed with interior level;Elongated insertion part, clamping block, unblock pull bar and interlocking are designed with middle level
Push rod;Clamping block is only designed with outer level;
In middle level and outer level, clamping block is installed in the installing port that level top sidewall is opened up;Clamping block is designed with direction
Inclined-plane on the outside of level, is used as lock face;
In interior level and middle level, the installation end of elongated insertion part is articulated with level bottom sidewall;And elongated insertion part by with indentation, there
It is hinged.Unblock pull bar is slidably mounted on level bottom, with the prismatic pair along level axial direction;Unblock pull bar side wall is circumferentially designed with
Act on inclined-plane;Elongated insertion part is hinged by unlocking link with unblock pull bar simultaneously;
In middle level, interlocking push rod is installed on level bottom, with the prismatic pair along level radial direction;Interlocking push rod forward end is set
It is calculated as coordinating inclined-plane;And elongated insertion part is hinged by interlocking connecting rod with interlocking push rod;
Above-mentioned interior level is circumferentially also devised with annular outer platform with middle level bottom outer wall, and middle level is set with outer level top inwall
In respect of annular inner convex platform;
When each level is in rounding state, the unblock pull bar bottom in interior level connects with unlocking pull bar top in middle level;
The effect inclined-plane and the interlocking push rod end in middle level that pull bar is unlocked in interior level coordinate inclined-plane cooperation to overlap;
When each level is in its fully unfolded position, by between adjacent level between the keyed end of elongated insertion part and the lock face of clamping block
Overlap joint coordinate, constitute planar higher pairs, realize the locking between adjacent level.
2. a kind of expandable type locking as claimed in claim 1, interlocking, unlocking mechanism, it is characterised in that:In adjacent level, phase
Friction coefficient μ between the elongated insertion part keyed end and clamping block lock face that mutually coordinate needs to meet:
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In formula, in formula, α is the lock face inclination angle of clamping block;θ for hinged place and level between elongated insertion part and level open up debit to
Angle;β be unlocking link and level open up debit to angle;L is between the lock face of locking tongue and the lock face of clamping block
Contact position, to jointed shaft axial line distance between elongated insertion part and level;l1For jointed shaft axis between unlocking link and elongated insertion part, to lock
Determine jointed shaft axial line distance between head and level.
3. a kind of expandable type locking as claimed in claim 1, interlocking, unlocking mechanism, it is characterised in that:Deploy between each level
When, unblock pull bar applies in inside level deploys one by one from outside to inside between expansion power, each level.When being drawn between each level, to
Unlock and drawn in one by one from the inside to the outside between pull bar application releasing force, each level in interior level.
4. a kind of expandable type locking as claimed in claim 1, interlocking, unlocking mechanism, it is characterised in that:Middle level number of stages is more than
When being in rounding state between 1, and adjacent middle level, order is level i positioned at the middle level of internal layer, and the middle level positioned at outer layer is
Level i+1, then the unblock pull bar bottom in i layers connect with unlocking pull bar top in middle level;The effect that pull bar is unlocked in i layers is oblique
Face coordinates inclined-plane to coordinate overlap joint with the interlocking push rod end in middle level.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611175861.9A CN107061440B (en) | 2016-12-19 | 2016-12-19 | A kind of locking of expandable type, unlock, mutual interlocking gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611175861.9A CN107061440B (en) | 2016-12-19 | 2016-12-19 | A kind of locking of expandable type, unlock, mutual interlocking gear |
Publications (2)
Publication Number | Publication Date |
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CN107061440A true CN107061440A (en) | 2017-08-18 |
CN107061440B CN107061440B (en) | 2019-07-09 |
Family
ID=59619056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611175861.9A Active CN107061440B (en) | 2016-12-19 | 2016-12-19 | A kind of locking of expandable type, unlock, mutual interlocking gear |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107719703A (en) * | 2017-09-26 | 2018-02-23 | 北京航空航天大学 | The locking of tandem type exhibition receiving apparatus, interlocking, unlocking mechanism |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3885881A (en) * | 1972-12-22 | 1975-05-27 | Bernhard Goldmann | Elongated, collapsible device |
JPH03197300A (en) * | 1989-12-26 | 1991-08-28 | Mitsubishi Electric Corp | Expanding structure for space |
CN102537618A (en) * | 2011-12-14 | 2012-07-04 | 北京航空航天大学 | Self-unlocking sleeve device capable of being unfolded and folded |
CN103742494A (en) * | 2014-01-08 | 2014-04-23 | 北京航空航天大学 | Interlocking and unlocking device for spatial extending arm |
-
2016
- 2016-12-19 CN CN201611175861.9A patent/CN107061440B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3885881A (en) * | 1972-12-22 | 1975-05-27 | Bernhard Goldmann | Elongated, collapsible device |
JPH03197300A (en) * | 1989-12-26 | 1991-08-28 | Mitsubishi Electric Corp | Expanding structure for space |
CN102537618A (en) * | 2011-12-14 | 2012-07-04 | 北京航空航天大学 | Self-unlocking sleeve device capable of being unfolded and folded |
CN103742494A (en) * | 2014-01-08 | 2014-04-23 | 北京航空航天大学 | Interlocking and unlocking device for spatial extending arm |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107719703A (en) * | 2017-09-26 | 2018-02-23 | 北京航空航天大学 | The locking of tandem type exhibition receiving apparatus, interlocking, unlocking mechanism |
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CN107061440B (en) | 2019-07-09 |
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