CN107420388A - 1/2 turn of fast-dismantling lock device - Google Patents
1/2 turn of fast-dismantling lock device Download PDFInfo
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- CN107420388A CN107420388A CN201710299129.0A CN201710299129A CN107420388A CN 107420388 A CN107420388 A CN 107420388A CN 201710299129 A CN201710299129 A CN 201710299129A CN 107420388 A CN107420388 A CN 107420388A
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- Prior art keywords
- bushing
- bolt
- supporting plate
- fast
- turn
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- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 210000000515 tooth Anatomy 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000013011 mating Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0266—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using springs
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
- F16B5/0084—Joining sheets, plates or panels in abutting relationship characterised by particular locking means
- F16B5/0088—Joining sheets, plates or panels in abutting relationship characterised by particular locking means with locking means moving substantially perpendicular to the main plane, e.g. pins, screws
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- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
- F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
- F16B5/0642—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being arranged one on top of the other and in full close contact with each other
Abstract
The invention provides a kind of 1/2 turn of fast-dismantling lock device, including bolt and blade assemblies, blade assemblies to include end cap, compression spring, lock ring, supporting plate and two and half bushings, and described supporting plate is hollow circular cylinder, and supporting plate inwall has circumferential annular projection；Two female half bushings of tool enclose a round table-like bushing, in supporting plate inner chamber, the raised range of movement for limiting bushing along supporting plate axial direction of supporting plate inwall；Lock ring is pressed between end cap and bushing by compression spring, and the axial projection limitation bushing of lock ring circumferentially rotates；When bolt is inserted into bushing, two and half bushings are shunk under compression spring effect to axis, and locking torque is produced to bolt.The present invention in all conditions of use, locking device can reliably lock and ensure it is firm.
Description
Technical field
The present invention relates to a kind of locking device, the quick connection for some stacking splices.
Background technology
At present, in aircraft industry, the typical connected mode of some Rotating fields plates is using substantial amounts of two-wire, four lines etc.
Multi-thread bolts and nuts are quickly and reliably connected；Fig. 1 is a kind of structure type therein.Including structural slab 1,
Structural slab 2, multi-thread nut 3, back-up ring 4, rivet 5, double ratchets 6, spring 7, shell 8, multi-thread bolt 9 and support 10.Wherein double spine
Tooth 6, spring 7 and multi-thread bolt 9 are placed on the inside of shell 8, then by one end thin-walled of radial spinning shell 8, by three parts
It is assemblied in shell 8, forms a whole (Fig. 1 (a)).The external cylindrical surface of multi-thread nut 3 has 4 grooves, circumferentially uniformly divides
Cloth, there are 4 grooves similar with multi-thread nut 3 inside back-up ring 4, for limiting the rotation (figure during being screwed into of multi-thread nut 3
1(c)).Rivet 5 is used for riveted structure plate 2 and support 10.One end of shell 8 carries symmetrical ears, installed in support 10
Vertical wall groove in (Fig. 1 (b)).When twisting multi-thread nut 3 clockwise using the Torx screwdriver of standard, multi-thread nut 3
Screw thread engage with same multi-thread bolt, the end face of multi-thread nut 3 abuts against the upper surface of pair ratchets 6, and now spring 7 is pressed
Contracting, active force are passed on the facing of double ratchets 6, and during torque when mounting torque reaches design, double ratchets 6 start to beat
It is sliding, install.When needing dismounting, multi-thread nut 3 is twisted counterclockwise.But the fast-dismantling lock device of this structure, which has structure, answers
The shortcomings that miscellaneous and installation rate is slower.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of 1/2 turn of fast-dismantling lock device, in all use states
Under, locking device can reliably lock and ensure it is firm.
The technical solution adopted for the present invention to solve the technical problems is：A kind of 1/2 turn of fast-dismantling lock device, including bolt
And blade assemblies, described blade assemblies include end cap, compression spring, lock ring, supporting plate and two and half bushings, described supporting plate is
Hollow circular cylinder, one end are connected on part to be connected, and the other end is closed by end cap；Supporting plate inwall has circumferential ring-type convex
Rise；Two female half bushings of tool enclose a round table-like bushing, and in supporting plate inner chamber, bushing is towards end cap
One end be more than the other end, and the small end extension of bushing has circumferential projection, and the projection of supporting plate inwall is located at the big end of bushing and small end
Between projection, range of movement of the limitation bushing along supporting plate axial direction；Described compression spring by lock ring be pressed on end cap and bushing it
Between, the axial projection of lock ring coordinates with the plane of bushing side wall, limits circumferentially rotating for bushing；When bolt is inserted into bushing,
Two and half bushings are shunk under compression spring effect to axis, and locking torque is produced to bolt.
The inwall projection of the supporting plate is the conical surface, and angle is identical with the frustoconical bevel angle of bushing outer, angular range be 10 °~
25°。
After described bolt passes through structural slab to be fixed, it is then passed through split washer and enters supporting plate openend；Described opens
Mouth back-up ring internal diameter is less than the big footpath of bolt；Bolt outer wall is provided with the groove of ring close to supporting plate one end, and groove diameter is less than opening
The internal diameter of back-up ring, the recess sidewall close to supporting plate is vertical with bolt axis, and side wall and the angle of bolt axis away from supporting plate are small
In 45 °.
The screw thread retaining surface of the bolt is 90 °~120 ° with axis angle；The angle of screw thread spigot surface and axis is 15 °
~45 °；Half bushing internal thread tooth form is identical with bolt.
The inwall and liner outer wall of the supporting plate are changed to be threadedly coupled, and the inclined-plane of the form of thread and the angle of axis are
32.5 °, the horizontal plane of thread form and the angle of axis are 90 °.
The projection of the supporting plate inwall is changed to axial notch, and liner outer wall is circumferentially provided with annular groove, is connected in annular groove
The annular collar coordinated with axial notch, limit the axial movement of bushing.
The screw thread of the bolt and the internal thread tooth form of bushing are triangle, and thread parameter is identical.
The beneficial effects of the invention are as follows：
The present invention provides a kind of bushing of a couple half in supporting plate, and half bushing inwall has screw thread, and one is used as after assembling
Overall bushing, by obtaining axial displacement while in one and half bushings with the intermeshing bolt of the bushing of a described couple half
The locking device of big radial load and the rotation type traveled on bolt is produced between supporting plate (that is by rotary motion
It is converted into axial movement), so as to provide locking engagement.One and half bushings are more easy to shrink each other and produce one on bolt thread face
It the common torque of individual constant type, even if bolt is not fully screwed into a pair of bushings, can also prevent bolt from being come off from device, hold in the palm
The inwall of plate has a conical surface, and one and half bushing male cone (strobilus masculinus)s are consistent with the conical surface shape of supporting plate, in conical helical compression spring
In the presence of, a maximum axial force is produced on bushing, because the half bushing conical surface and the deck internal conical surface are in close contact, is compeled
One and half bushings are made to be moved obliquely along the conical surface each other, maximum axial force produces a maximum radial component on bolt.
Radial component makes one and half bushing radial contractions, fishbolt, so as to produce locking torque.
The present invention can be realized by simply pressing bolt head, pushed the bolt into two and half bushings, then, passed through
Turn clockwise screw, realizes integral locking well.When in the internal thread that bolt is pushed into half bushing, due to half bush threads
Path crest uniquely profiled edge, even if half bushing hardness is very high, bolt thread will not also be destroyed.Such as Figure 14 institutes
Show, (a) is one and half bushings, and r1 is bushing internal thread path；(b) it is the forming process of unique tooth form：To Figure 14 (a) inside
Screw thread carries out milling.For left half bushing, wherein radius r is equal to 1/2 Major Diam, and the center of circle offsets to the right a thread height L,
Right half bushing is on the contrary；The upper figure of material part such as Figure 14 (b) of removal, after the completion of all millings of left and right bushing, material is thus formed figure
14(c)；(c) for one and half bush threads path crests, uniquely contoured edge, mitigation screw thread are pushed into mill during one and half bushings
Power is wiped, mitigates the abrasion of bolt thread.
1/2 turn of fast-dismantling lock device of the present invention, even if by thermal extremes and making what spring force was destroyed enough
In the case of, only act on, still can be produced in bolt surface well by being screwed into the radial component of axial force caused by bolt
Consistent clamping force.
1/2 turn of fast-dismantling lock device of the present invention, firmly pushes the bolt into one and half bushings, is until that can not promote
Only, now, both screw threads are mutually in intermeshing state, and the gap between tooth side is less than 1/4 pitch, therefore only needs again
Bolt is twisted 1/4 turn, you can locking.This is applied to the bolt and bushing of single line, two-wire and four lines.
Present invention optimizes structure, it is possible to increase installation effectiveness, is a kind of new 1/2 turn of fast-dismantling lock device.
Brief description of the drawings
Fig. 1 is the release schematic diagram of prior art, wherein, (a) is releasing orientation sectional view, the left view of (b) releasing orientation
Figure, (c) is explosive view；
Fig. 2 is the locking schematic diagram of the present invention, wherein, (a) is the half sectional view of locking state, and (b) is locking state
Left view full sectional view, (c) are the top view of locking state；
The blast that Fig. 3 is the present invention regards schematic diagram；
Fig. 4 is the schematic diagram of invention components 01；
Fig. 5 is the exploded perspective view of invention components 01；
Fig. 6 is the half sectional view that bolt of the present invention is inserted after one and half bushings；
Fig. 7 is that the present invention improves 1 locking state regarding intention, wherein, (a) is half sectional view, and (b) is the partial enlargement of (a)
Figure, (c) is left view；
Fig. 8 is that the present invention improves 2 locking states regarding intention, wherein, (a) is half sectional view, and (b) is the left view of (a),
(c) it is attached view；
Fig. 9 is the isometric side view for the bushing 1 of a couple half that the present invention improves 2；
Figure 10 is the half sectional view of the isometric side view for the supporting plate 1 that the present invention improves 2；
Figure 11 is rivet assembling process schematic diagram of the present invention；
Figure 12 is interference engagement assembling process schematic diagram of the present invention；
Figure 13 is present invention gluing knot assembling process schematic diagram；
Figure 14 is the path crest schematic diagram of half bush threads；
In figure, 1- structural slabs 1,2- structural slabs 2, the multi-thread bolts of 3-, 4- back-up rings, 5- rivets, the double grinding tooths of 6-, 7- springs, 8-
Supporting plate, the multi-thread bolts of 9-, 10- supports, 11- split washers, 12- bolts, 13- end caps, 14- volute springs, 15- lock rings, 16- circles
Cylindricality supporting plate, 17- mono- is to half bushing, the triangular tooth-shaped bolts of 18-, 19- back-up rings, 20- plain washers, 21- seat rings, 22- plugs, 23-
Seat ring presss from both sides, and 24- supporting plates 1 (change near rear), and 25- mono- is to half bushing 1 (after improvement), 26- plain washers, 27- annular collars.
Embodiment
The structure of the present invention includes a bolt and a hollow supporting plate, the conical surface of supporting plate inwall and supporting plate it is inside and outside
The face of cylinder is coaxial, and supporting plate is fixed on plate or fixed on another part, described deck internal has a pair and has interior spiral shell
One overall bushing of the half bushing composition of line, when bolt is inserted into bushing, half bushing initially passes through conical helical compression
Spring effect and be retracted to the least action central diameter less than bolt, make bolt produce locking torque.The conical surface of half sleeve outer surface
Identical with supporting plate conical surface of inboard wall angle, described bushing also has the female thread structure form preferentially used, similar special to be adapted to
With the external screw thread of bolt.Two or more structural slabs that such bolt adapts to have through hole are fastenedly connected, and this bolt has one
The head of individual standard or the head to match suitable for the described countersunk head of structural slab 2.When one and half bushings are in the helical compression bullet
When under the responsive to axial force of spring along supporting plate conical surface slide downward, the central diameter of special thread is more than the internal thread of half bushing on bolt
Useful effect central diameter, therefore, when bolt is introduced or is screwed into bushing, it will by consistent rotating reactive force, claimed herein
For locking torque.
Supporting plate conical surface of inboard wall can promote bolt to enter in the described bushing of a couple half, the frustoconical bevel angle and supporting plate of bushing outer
Internal frustoconical bevel angle is identical, and angular range is 10 °~25 °, and the special internal thread of bushing coordinates with the special external screw thread of bolt.By setting
Bushing and its thread characteristics are counted to realize the ratchet engagement with bolt thread, it is not necessary to be vertically screwed into bolt to final position, spiral shell
There is bolt the part of less mating pitch diameoter to preferentially enter into half bushing, now, make half by simply pressing bolt head
Bushing vertically, radially outward shrinks, so as to compression helical spring.The such motion of bushing provides sky for entering for bolt
Between, until some Rotating fields plates are closer to each other, then, bolt is twisted clockwise, bushing is somewhat axially downward, drives some
Rotating fields plate tight contacts between, and further stubborn bolt ensures to produce bigger radial load on bolt to ensure good lock clockwise
Sigma compactness energy.After bolt thread engages with one and half bushings, then the distance that bolt is screwed into one and half bushing middle-range chambers is remote
It is near inessential because preventing the constant locking torque that bolt surprisingly exits from being provided by spring pressure, spring always with bushing
Contact and acted on by the conical surface of supporting plate on the bushing conical surface downwards, inwardly, this will generate constant radial component on bolt.
This, there is provided a pair of bushings of clamping simultaneously prevent its method rotated relative to supporting plate, but allow their same time shifts both axially and radially
It is dynamic.Method described herein includes lock ring described herein, and lock ring is coaxial with supporting plate, positioned at rotation spiral shell compression spring and bushing tip
Between.There are two projections in 180 ° of distributions, referred to as key on lock ring.Key mapping is in supporting plate axial groove and the string of one and half bushing combinations
Between plane.
Split washer internal diameter is less than the big footpath about 0.3mm of bolt, about has the groove of ring at 1mm away from bolt small end face, leans on
The face of the groove of nearly small end end face is vertical with bolt axis, and the remote conical surface is less than 45 ° with axis angle, and groove diameter is less than opening
The internal diameter of back-up ring about 0.3mm, when bolt small end passes through the internal diameter of split washer, the threaded portion on top rubs out split washer,
When reaching bolt circumferential groove, back-up ring shrinks, and bolt keeps together with structural slab 2 when ensureing to unclamp.Due to tightening bolt
When, bolt large diameter continues to rub out split washer, until installing.Split washer is in the countersunk head of structural slab 2 from the beginning to the end
Kong Zhong.When unclamping bolt, if not needing bolt to be kept together with structural slab 2, split washer no longer needs, meanwhile, bolt
On annular groove and structural slab 2 on counter sink need not.
90 ° of the retaining surface of bolt thread and axis angle prioritizing selection, scope are 90 °~120 °；Spigot surface and axis
25 ° of angle prioritizing selection, scope are 15 °~45 °；Half bushing internal thread tooth form is identical with bolt.Bushing male cone (strobilus masculinus) and axis
Angle is 10 °~25 ° (Fig. 6), and this bolt external thread diameter scope is 4~φ of φ 12.
The present invention includes component 01, bolt 12, split washer 11, rivet 5 (Fig. 2 (a)), (Fig. 3)；Wherein component 01 includes
End cap 13, conical compression spring 14, key 15, the bushing 17 (Fig. 4) of supporting plate 16 and two and half, (Fig. 5), it will be bored by spinning end cap 13
Shape compression spring 14, the bushing 17 of key 15 and two and half are arranged on inside supporting plate 16, are formed a whole.
This structure allows bolt 12 being pushed into two and half bushings 17, then bolt 12 is twisted into 1/2 circle, installs.
In addition, the present invention can be improved, improvement there are three kinds of methods, as follows：
1) 1 is improved：
By the part in the present invention：Bolt 12, the bushing 17 of supporting plate 16 and two and half are improved, the sequence number difference after improvement
For bolt 18, the bushing 20 of supporting plate 19 and two and half, remaining parts are not changed.It can realize that locking property is more excellent with installation effectiveness
Different combination.The external screw thread of bolt 12, the internal thread tooth form of two and half bushing 17 are changed to triangle, both thread parameters are identical (such as
Fig. 7 (sequence number 18,20 in (b))；The inwall of supporting plate 16, the surface of two and half bushing 17 be changed to screw thread (such as Fig. 7 (sequence number 19 in (b),
20), the inclined-plane of thread form and the angle of axis are 32.5 °, but this angle can change；The horizontal plane of thread form and the folder of axis
Angle is 90 °, and the corresponding area of contact increase so in engagement, clamp force distribution is more uniform, while the structural slab total thickness adapted to
It is wider to spend scope.(such as Fig. 7).
2) 2 are improved：
This number of parts needed of improving is less, but without reduction locking property.Improving 2 structure includes：1- structures
Plate, 2- structural slabs 2,5- rivets, 11- split washers, 12- bolts, 13- end caps, 14- volute springs, 24- supporting plates 1, a pair of 25-
Half bushing 1 (such as Fig. 8)；
3) 3 are improved：
The 12- bolts, the 25- mono- that improve in 2 are changed to the triangle of same specification to the thread form of the internal thread of half bushing 1
Thread form, remaining parts do not change (figure omits), and screw thread specification is MJ4~MJ12.
The present invention and its three kinds of modifieds can consolidate component 01 by rivet, interference engagement, with three kinds of modes of gluing knot
It is scheduled on structural slab 1, respectively as shown in Fig. 8, Fig. 9, Figure 10, but is not limited to these three mounting means.
Major part bushing of the present invention, bolt material are 17-7PH, spring materials 65Mn, supporting plate and end cap material are
304A。
The structural slab total thickness that the present invention and its modified adapt to is 2.94mm~19.81mm, structural slab gross thickness
The 1 thickness of=structural slab+thickness of structural slab 2+...+structural slab n thickness (n is structural slab quantity, is determined by customer requirement), the present invention
In only for describing the problem, employ double-layer structure plate and be overlapped, that is, be exactly：Structural slab gross thickness=T1+T2 (see Fig. 2),
Performance meets NASM22978 specifications.
The three kinds of modes implemented are as follows：
1) rivet assembling process of the present invention is as shown in figure 11：
Component 01 can be crossed rivet to structural slab 1 by Figure 11 (a, b, c, d)；
Figure 11 (e) passes through bolt the through hole of structural slab 2, and construction opening back-up ring is in the radial groove of bolt；
Figure 11 (f) is pushed up to dynamic structural slab 2, structural slab 2 is contacted with structural slab 1；
Figure 11 (g) again with instrument (such as screwdriver) promote bolt enter one and half bushings in, until the bolt head conical surface with
Untill the taper-face contact of structural slab 2；
Figure 11 (h) twists bolt 1/2 using the instrument of regulation torque and enclosed clockwise, completes locking operation；Reverse operating, you can
Unclamp.
2) interference engagement assembling process of the present invention is as shown in figure 12：
Figure 12 (a, b, c, d) makes the plug with taper completely by seat ring cylindrical bore, the maximum of plug by instrument
It is more than cylindrical bore diameter at diameter, to meet in seat ring interference engagement to structural slab 1；
By seat ring folder in the rectangular recess of seat ring side wall, seat ring presss from both sides one end and carries opening Figure 12 (e)；
The opening that component 01 is pressed from both sides by seat ring is pushed into seat ring folder by Figure 12 (f, g)；
Figure 12 (h) passes through bolt the through hole of structural slab 2, and construction opening back-up ring is in the radial groove of bolt；
Figure 12 (i) selection structures plate 2, makes structural slab 2 be contacted with structural slab 1；
Figure 12 (j) promotes bolt to enter in one and half bushings with instrument (such as screwdriver) again, until bolt head and the conical surface
Untill the taper-face contact of structural slab 2；
Figure 12 (k) twists bolt 1/2 using the instrument of regulation torque and enclosed clockwise, completes locking operation；Reverse operating, you can
Unclamp.
3) present invention is as shown in figure 13 with gluing knot assembling process：
Figure 13 (a) gluings in the proper range on structural slab 1；
Component 01 is bonded on structural slab 1 by Figure 13 (b)；
Figure 13 (c) passes through bolt the through hole of structural slab 2, and construction opening back-up ring is in the radial groove of bolt；
Figure 13 (d) selection structures plate 2, makes structural slab 2 be contacted with structural slab 1；
Figure 13 (e) promotes bolt to enter in one and half bushings with instrument (such as screwdriver) again, until bolt head and the conical surface
Untill the taper-face contact of structural slab 2；
Figure 13 (f) twists bolt 1/2 using the instrument of regulation torque and enclosed clockwise, completes locking operation；Reverse operating, you can
Unclamp.
Claims (7)
1. 1/2 turn of fast-dismantling lock device of one kind, including bolt and blade assemblies, it is characterised in that：Described blade assemblies include
End cap, compression spring, lock ring, supporting plate and two and half bushings, described supporting plate are hollow circular cylinder, and one end is connected in be connected
On part, the other end is closed by end cap；Supporting plate inwall has circumferential annular projection；Two female half bushings of tool enclose
The bushing round table-like into one, in supporting plate inner chamber, bushing is more than the other end, and the small end of bushing towards one end of end cap
Extension has circumferential projection, and the projection of supporting plate inwall is located between the big end of bushing and small end projection, limits bushing along supporting plate axial direction
Range of movement；Lock ring is pressed between end cap and bushing by described compression spring, axial projection and the bushing side wall of lock ring
Plane coordinates, and limits circumferentially rotating for bushing；When bolt is inserted into bushing, two and half bushings are under compression spring effect to axle
Linear shrinkage, locking torque is produced to bolt.
2. 1/2 turn of fast-dismantling lock device according to claim 1, it is characterised in that：The inwall of the supporting plate is raised for cone
Face, angle is identical with the frustoconical bevel angle of bushing outer, and angular range is 10 °~25 °.
3. 1/2 turn of fast-dismantling lock device according to claim 1, it is characterised in that：Described bolt passes through to be fixed
After structural slab, it is then passed through split washer and enters supporting plate openend；Described split washer internal diameter is less than the big footpath of bolt；Outside bolt
Wall is provided with the groove of ring close to supporting plate one end, and groove diameter is less than the internal diameter of split washer, close to supporting plate recess sidewall with
Bolt axis is vertical, and the side wall away from supporting plate and the angle of bolt axis are less than 45 °.
4. 1/2 turn of fast-dismantling lock device according to claim 1, it is characterised in that：The screw thread retaining surface of the bolt with
Axis angle is 90 °~120 °；The angle of screw thread spigot surface and axis is 15 °~45 °；Half bushing internal thread tooth form and bolt phase
Together.
5. 1/2 turn of fast-dismantling lock device according to claim 1, it is characterised in that：Outside the inwall and bushing of the supporting plate
Wall is changed to be threadedly coupled, and the inclined-plane of the form of thread and the angle of axis are 32.5 °, and the horizontal plane of thread form and the angle of axis are
90°。
6. 1/2 turn of fast-dismantling lock device according to claim 1, it is characterised in that：The raised change of the supporting plate inwall
For axial notch, liner outer wall is circumferentially provided with annular groove, and be connected the annular collar coordinated with axial notch in annular groove, limitation lining
The axial movement of set.
7. 1/2 turn of fast-dismantling lock device according to claim 5 or 6, it is characterised in that：The screw thread and bushing of the bolt
Internal thread tooth form be triangle, thread parameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299129.0A CN107420388A (en) | 2017-05-02 | 2017-05-02 | 1/2 turn of fast-dismantling lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299129.0A CN107420388A (en) | 2017-05-02 | 2017-05-02 | 1/2 turn of fast-dismantling lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420388A true CN107420388A (en) | 2017-12-01 |
Family
ID=60424802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710299129.0A Pending CN107420388A (en) | 2017-05-02 | 2017-05-02 | 1/2 turn of fast-dismantling lock device |
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| CN (1) | CN107420388A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882438A (en) * | 2018-01-03 | 2018-04-06 | 北京首航科学技术开发有限公司 | Adjustable quick-detachable lock and its lock |
| CN109268377A (en) * | 2018-11-27 | 2019-01-25 | 贵州航太精密制造有限公司 | A kind of Self-locking screw nut and its connection bolt |
| CN111868394A (en) * | 2018-03-14 | 2020-10-30 | 克诺尔商用车制动系统有限公司 | Releasable positive connection between a first body and a second body |
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| US3157215A (en) * | 1961-01-10 | 1964-11-17 | Victor F Zahodiakin | Quick-locking fastener with prevailing torque |
| US5081811A (en) * | 1989-09-07 | 1992-01-21 | Housei Ttekou Co., Ltd. | Self-locking nut mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107882438A (en) * | 2018-01-03 | 2018-04-06 | 北京首航科学技术开发有限公司 | Adjustable quick-detachable lock and its lock |
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| CN111868394B (en) * | 2018-03-14 | 2022-04-12 | 克诺尔商用车制动系统有限公司 | Releasable positive connection between a first body and a second body |
| US11313397B2 (en) | 2018-03-14 | 2022-04-26 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Releasable interlocking connection between a first body and a second body |
| CN109268377A (en) * | 2018-11-27 | 2019-01-25 | 贵州航太精密制造有限公司 | A kind of Self-locking screw nut and its connection bolt |
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