CN110005690A - Locking quick change nut - Google Patents
Locking quick change nut Download PDFInfo
- Publication number
- CN110005690A CN110005690A CN201910199907.8A CN201910199907A CN110005690A CN 110005690 A CN110005690 A CN 110005690A CN 201910199907 A CN201910199907 A CN 201910199907A CN 110005690 A CN110005690 A CN 110005690A
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- Prior art keywords
- quick change
- nut
- locking quick
- component
- tightened
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- 238000000926 separation method Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 26
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 4
- 235000011613 Pinus brutia Nutrition 0.000 description 4
- 241000018646 Pinus brutia Species 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 230000008774 maternal effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005096 rolling process Methods 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
- F16B37/00—Nuts or like thread-engaging members
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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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention provides a kind of locking quick change nuts.Locking quick change nut includes: nut assembly, has internal screw thread；Screw component, including being arranged structure and separation structure, structure is arranged to be set in outside nut assembly, separation structure and be arranged structure it is detachably connected and be located at be arranged in structure, separation structure is connect with nut assembly rotation stop, so as to screw component with the rotation stop state static relative to nut assembly, when screwing component and being in rotation stop state, screws component and be able to drive nut assembly and rotate together；Anti-loose structure is arranged in and screws towards the side of part to be tightened on component, to increase the frictional force screwed between component and part to be tightened；Wherein, anti-loose structure is made of friction resistance material.Present invention efficiently solves the anti-loosening property of locking quick change nut in the prior art is poor, the problem of influencing staff's personal safety.
Description
Technical field
The present invention relates to technical field of fastening, in particular to a kind of locking quick change nut.
Background technique
Currently, nut is applied in the various equipment (such as angle grinder) of machinery field, the mesh that connection can be reached, tightened
's.However, since angle grinder has biggish inertia, will lead to nut release after angle grinder shutdown, so that slice flies out,
Endanger personal safety.
Summary of the invention
The main purpose of the present invention is to provide a kind of locking quick change nuts, to solve locking quick change nut in the prior art
Anti-loosening property it is poor, the problem of influencing staff's personal safety.
To achieve the goals above, the present invention provides a kind of locking quick change nuts, comprising: nut assembly has interior spiral shell
Line；Component is screwed, including is arranged structure and separation structure, structure is arranged and is set in outside nut assembly, separation structure and is arranged knot
Structure is detachably connected and positioned at being arranged in structure, and separation structure is connect with nut assembly rotation stop, so as to screw component with phase
The rotation stop state static for nut assembly screws component and is able to drive nut assembly when screwing component and being in rotation stop state
It rotates together；Anti-loose structure is arranged in and screws towards the side of part to be tightened on component, screws component and part to be tightened to increase
Between frictional force；Wherein, anti-loose structure is made of friction resistance material.
Further, anti-loose structure be arranged structural bond or clamping or connect by fastener.
Further, be arranged structure be the first cyclic structure, anti-loose structure be the second cyclic structure, the first cyclic structure with
The coaxial arrangement of second cyclic structure.
Further, nut assembly has the rotation stop section being axially arranged along it, locking quick change nut further include: cover board, set
It is located at outside rotation stop section and cooperates with rotation stop section rotation stop, cover plate lid is located on separation structure；Wherein, anti-loose structure evacuation cover board is set
It sets.
Further, nut assembly includes nut body, the mounting portion that nut body has via hole and is connected to via hole, mistake
The inner wall in hole has internal screw thread, locking quick change nut further include: auxiliary anti-loose structure is arranged in mounting portion, assists anti-untwisting
Structure is contacted with the part to be tightened being threaded through in via hole, to increase the frictional force between locking quick change nut and part to be tightened, to prevent
Only locking quick change nut rotates relative to part to be tightened.
Further, mounting portion is annular groove, and auxiliary anti-loose structure is third cyclic structure, and third cyclic structure protrudes into ring
With Nian Jie with the cell wall of annular groove in shape slot.
Further, auxiliary anti-loose structure includes that sequentially connected card sets section and conical section, sets section to conical section along card
On direction, the size of conical section is gradually increased；Wherein, conical section is connect with mounting portion, will assist anti-loose structure and nut sheet
Body links together, and card sets section and is clamped with the part to be tightened being threaded through in via hole.
Further, mounting portion is groove-like structure compatible with the outer surface of conical section, conical section and groove-like structure card
It connects or is bonded or connected by fastener.
Further, it includes multiple circumferentially spaced sub- clamping parts along conical section, each sub- clamping part court that card, which sets section,
Extend to via hole.
Further, mounting portion is blind hole, and auxiliary anti-loose structure is column structure, and column structure protrudes into blind hole；Wherein,
Column structure and mounting portion are clamped or Nian Jie or pass through fastener connection.
Further, auxiliary anti-loose structure towards via hole surface and via hole central axis between maximum distance be less than
The distance between crest and the central axis of via hole of internal screw thread.
Further, auxiliary anti-loose structure is made of friction resistance material.
It applies the technical scheme of the present invention, locking quick change nut includes nut assembly, screws component and anti-loose structure.Its
In, nut assembly has internal screw thread.Screwing component includes being arranged structure and separation structure, is arranged structure and is set in nut assembly
Outside, separation structure and be arranged structure it is detachably connected and be located at be arranged in structure, separation structure is connect with nut assembly rotation stop,
So as to screw component with the rotation stop state static relative to nut assembly, when screwing component and being in rotation stop state, group is screwed
Part is able to drive nut assembly and rotates together.Wherein, anti-loose structure is made of friction resistance material.In this way, locking quick change nut is anti-
Loose structure, which is arranged in, to screw towards the side of part to be tightened on component, and then increases and screw rubbing between component and part to be tightened
Wipe power, influence to tighten effect to prevent locking quick change nut from rotating relative to part to be tightened, so improve prevent it is relaxed
The anti-loosing effect for changing nut, the anti-loosening property for solving locking quick change nut in the prior art is poor, influences staff's person
The problem of safety.When needing to disassemble locking fast nut, operation, which screws component and to screw component, is in rotation stop
State, screws component and is able to drive nut assembly and rotate together, then staff both can be by nut group by screwing component
Part is dismantled.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the explosive view of the embodiment one of locking quick change nut according to the present invention；
Fig. 2 shows the schematic perspective views of the locking quick change nut in Fig. 1；
Fig. 3 shows the locking quick change nut in Fig. 2 and the half sectional view after part to be tightened assembly；
Fig. 4 shows the explosive view of the embodiment two of locking quick change nut according to the present invention；
Fig. 5 shows the schematic perspective view of the locking quick change nut in Fig. 4；
Fig. 6 shows the locking quick change nut in Fig. 5 and the half sectional view after part to be tightened assembly；
Fig. 7 shows the explosive view of the embodiment three of locking quick change nut according to the present invention；
Fig. 8 shows the schematic perspective view of the auxiliary anti-loose structure of the locking quick change nut in Fig. 7；
Fig. 9 shows the schematic perspective view of the locking quick change nut in Fig. 7；
Figure 10 shows the locking quick change nut in Fig. 9 and the half sectional view after part to be tightened assembly；
The example IV and the half section after part to be tightened assembly that Figure 11 shows locking quick change nut according to the present invention
Figure；
Figure 12 shows the half sectional view of the locking quick change nut in Figure 11；And
Figure 13 shows the nut body of the locking quick change nut in Figure 12 and three-dimensional after auxiliary anti-loose structure assembly is tied
Structure schematic diagram.
Wherein, the above drawings include the following reference numerals:
10, nut assembly；11, internal screw thread；12, nut body；121, rotation stop section；123, via hole；124, mounting portion；13,
Nut frame；14, retainer；15, roller；20, component is screwed；21, it is arranged structure；22, separation structure；30, return unit；40, it presses
Plate；50, the first locking member；60, cover board；70, the second locking member；80, bearing；90, sealing ring；100, anti-loose structure；110, to
Fastener；130, anti-loose structure is assisted；131, card sets section；132, conical section.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used is usually directed to attached drawing as " upper and lower "
Shown in for direction, or on vertical, vertical or gravity direction；Similarly, it for ease of understanding and retouches
It states, " left and right " is usually for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each component itself,
But the above-mentioned noun of locality is not intended to restrict the invention.
In order to which the anti-loosening property for solving locking quick change nut in the prior art is poor, asking for staff's personal safety is influenced
Topic, this application provides a kind of locking quick change nuts.
Embodiment one
As shown in Figure 1 to Figure 3, locking quick change nut includes nut assembly 10, screws component 20 and anti-loose structure 100.Its
In, nut assembly 10 has internal screw thread 11.Screwing component 20 includes being arranged structure 21 and separation structure 22, is arranged structure 21 and is arranged
Outside nut assembly 10, separation structure 22 and be arranged structure 21 it is detachably connected and be located at be arranged in structure 21, separation structure
22 connect with 10 rotation stop of nut assembly, so as to screw component 20 with the rotation stop state static relative to nut assembly 10, work as rotation
Component 20 is twisted when being in rotation stop state, component 20 is screwed and is able to drive nut assembly 10 and rotate together.The setting of anti-loose structure 100 exists
It screws towards the side of part 110 to be tightened on component 20, to increase the frictional force screwed between component 20 and part to be tightened 110.
Wherein, anti-loose structure 100 is made of friction resistance material.
Using the technical solution of the present embodiment, court is arranged on screwing component 20 in the anti-loose structure 100 of locking quick change nut
To the side of part 110 to be tightened, and then the frictional force screwed between component 20 and part to be tightened 110 is increased, it is locking to prevent
Quick change nut rotates relative to part 110 to be tightened and influences to tighten effect, and then improves the locking of locking quick change nut
The problem of effect, the anti-loosening property for solving locking quick change nut in the prior art is poor, influences staff's personal safety.When
When needing to disassemble locking fast nut, operation, which screws component 20 and to screw component 20, is in rotation stop state, screws
Component 20 is able to drive nut assembly 10 and rotates together, then staff both can be by nut assembly 10 by screwing component 20
It is dismantled.
Optionally, anti-loose structure 100 is made of the high material of the coefficient of frictions such as rubber or polyurethane.
In the present embodiment, anti-loose structure 100 is Nian Jie with structure 21 is arranged.In this way, on the one hand above-mentioned connection type makes
Anti-loose structure 100 and the connective stability being arranged between structure 21 more preferably, prevent the two from separating and influencing locking quick change nut
Anti-loosening property；On the other hand make anti-loose structure 100 be more easier with the connection for being arranged structure 21, is easy, reduce work people
The labor intensity of member.
It should be noted that anti-loose structure 100 and the connection type for being arranged structure 21 are without being limited thereto.Optionally, anti-untwisting
Structure 100 be arranged the clamping of structure 21 or connect by fastener.In this way, above-mentioned connection type makes anti-loose structure 100 and is arranged
The dismounting of structure 21 is more easier, is easy, reduces the labor intensity of staff.
As shown in Figure 1, being arranged structure 21 is the first cyclic structure, anti-loose structure 100 is the second cyclic structure, and first is cyclic annular
Structure and the second cyclic structure are coaxially disposed.Specifically, it is cyclic annular towards first to be bonded in the second cyclic structure for the first cyclic structure
On the surface of structure, so that between surface of first cyclic structure far from the second cyclic structure and part to be tightened 110 (slice)
Biggish frictional force is generated, and then prevents that shadow occurs with respect to sliding between locking quick change nut and part to be tightened 110 (slice)
Ring the anti-loosening property of locking quick change nut.In this way, above-mentioned setting is so that the appearance of locking quick change nut is more beautiful, so that first
The assembly of cyclic structure and the second cyclic structure is more easier, is easy.
As shown in Figures 2 and 3, nut assembly 10 has the rotation stop section 121 being axially arranged along it, and locking quick change nut also wraps
Include cover board 60.Wherein, cover board 60 is set in outside rotation stop section 121 and cooperates with 121 rotation stop of rotation stop section, and the lid of cover board 60 is located at separation knot
On structure 22.Wherein, anti-loose structure 100 avoids cover board 60 and is arranged.Specifically, the second cyclic structure is set in outside cover board 60, to prevent
Only the dismounting of cover board 60 is interfered and influenced to recurring structure between the two, and then promotes the structural reliability of locking quick change nut.
As shown in Figure 1, rotation stop section 121 has card slot, locking quick change nut further includes the second locking member 70.Wherein, second
Locking member 70 is arranged in card slot, and the second locking member 70 is located at the two sides of cover board 60 with pressing plate 40.In this way, passing through second
Cover board 60 and nut assembly 10 are fastenedly connected by locking member 70, prevent cover board 60 from deviating from from nut assembly 10, are improved anti-
The structural stability of loose fast nut.
As shown in Figure 1, nut assembly 10 further includes nut frame 13, retainer 14 and multiple rollers 15.Wherein, nut frame 13
With the coaxial arrangement of nut body 12 and the two links together.Retainer 14 is arranged in nut frame 13 and supports with nut body 12
It connects, retainer 14 has the multiple roller holes being circumferentially arranged along it, and multiple rollers 15 are correspondingly disposed in multiple roller holes.Tool
Body, nut body 12 and nut frame 13 rotate synchronously, and retainer 14 can be rotated relative to nut body 12 and nut frame 13,
And there is stop dog position between the two, i.e. the rotational angle of retainer 14 is limited.Multiple rollers 15 are arranged on retainer 14
In corresponding multiple roller holes, and it can be rotated in roller holes.When needing to screw in fast nut on electric machine main shaft, the inverse time
Needle rotation is arranged structure 21, and separation structure 22 is rotated together with being arranged structure 21, so that the first extension of separation structure 22
With the third extension counter stopper of retainer 14, then retainer 14 is in first position and is able to drive nut frame 13 and nut
Ontology 12 carries out equidirectional rotation, and nut assembly 10 is locked on electric machine main shaft；When needing fast nut from motor master
When being screwed out on axis, rotates clockwise and be arranged structure 21, since the active force at this time between nut assembly 10 and electric machine main shaft is larger,
Nut assembly 10 can not realize rotation, be arranged structure 21 drive separation structure 22 rotated clockwise, until roller 15 into
Entering to the roller slot on separation structure 22, retainer 14 is in the second position, then the power on fast nut axis direction disappears,
Frictional force between nut assembly 10 and electric machine main shaft also disappears immediately.Later, continue rotation and be arranged structure 21, so as to be arranged knot
Structure 21 drives nut assembly 10 to be rotated, until screwing out from electric machine main shaft.
As shown in Figure 1, locking quick change nut further includes three return units 30.Wherein, the setting of return unit 30 is tied by separating
In the accommodation space that first extension of structure 22 and the 4th extension of nut frame 13 are formed, return unit 30 is mentioned to the first extension
Feed to far from the 4th extension side movement reset force (or return unit 30 to the 4th extension provide to far from first extend
The reset force of portion side movement).In this way, being answered with the relative position for screwing component 20 by return unit 30 nut assembly 10
Position guarantees that staff can quickly screw in locking fast nut on electric machine main shaft when reusing locking fast nut,
It is time-consuming to shorten assembly.Meanwhile the above-mentioned setting of return unit 30 is so that nut assembly 10 and screw active force between component 20 more
Add the service life for gently preventing the rotation moment of nut assembly 10 from generating biggish impact force and influencing locking fast nut.
As shown in Figure 1, locking fast nut further includes pressing plate 40.Wherein, pressing plate 40 is pressed on separation structure 22, pressing plate
40 have at least one the 5th extension, and the 5th extension of part is stretched in groove and abutted with separation structure 22.In this way, point
Every structure 22 between pressing plate 40 and retainer 14, on the one hand separation structure 22 can be protected, prevent separation structure
22 from being arranged in structure 21；On the other hand the active force being capable of increasing between separation structure 22 and retainer 14, it is ensured that point
It can be with the third extension counter stopper of retainer 14 every the first extension of structure 22.
As shown in Figure 1, locking fast nut further includes the first locking member 50.Wherein, the first locking member 50 is pressed on pressing plate
It is interference fitted on 40 and with structure 21 is arranged, to prevent pressing plate 40 and separation structure 22 from being arranged in structure 21.On in this way,
Stating setting can prevent pressing plate 40 from being arranged in structure 21, and promote the structural stability of locking fast nut.
In the present embodiment, the first locking member 50 and the second locking member 70 are circlip.
As shown in figure 3, fast nut further includes bearing 80.Wherein, the setting of bearing 80 cover board 60 and separation structure 22 it
Between.In this way, in the case that above-mentioned setting is so that screwing component 20 and applying biggish axial force to cover board 60 inside fast nut,
Two sides need to only overcome force of rolling friction, so that staff is more time saving and energy saving for the disassembly of fast nut.
As shown in figure 3, fast nut further includes the sealing ring 90 being arranged between pressing plate 40 and cover board 60.Sealing ring 90 is not
It is only used for sealing clamp, additionally it is possible to play the role of damping, buffering to nut assembly 10.
Embodiment two
Locking quick change nut in embodiment two is from the difference of embodiment one: the structure of locking quick change nut is different.
As shown in Figures 4 to 6, nut assembly 10 includes nut body 12, and nut body 12 has via hole 123 and and via hole
The mounting portion 124 of 123 connections, the inner wall of via hole 123 have internal screw thread 11, and locking quick change nut further includes auxiliary anti-loose structure
130.Wherein, auxiliary anti-loose structure 130 is arranged in mounting portion 124, assists anti-loose structure 130 and is threaded through in via hole 123
Part 110 to be tightened contacts, to increase the frictional force between locking quick change nut and part to be tightened 110, to prevent locking quick change spiral shell
Parent phase rotates for part 110 to be tightened.In this way, when locking quick change nut tightening is in part 110 (such as electric machine main shaft) to be tightened
After upper, due to screwing so that anti-loose structure 130 is assisted to generate certain deformation for locking quick change nut, and then increase prevent it is relaxed
Change the frictional force between nut and part to be tightened 110 (such as electric machine main shaft).After angle grinder power-off, above-mentioned frictional force can be into one
Step prevents locking quick change nut from occurring to loosen and influence locking, the fastening effect of locking quick change nut.
Specifically, when locking quick change nut tightening is on part 110 (such as electric machine main shaft) to be tightened, anti-loose structure 100 with
Biggish frictional force is generated between slice between motor and locking quick change nut, auxiliary anti-loose structure 130 generates centainly
Deformation so that auxiliary anti-loose structure 130 and electric machine main shaft between frictional force increase.After angle grinder power-off, anti-loose structure
Frictional force between 100 and slice can prevent locking quick change nut from pine, and assist producing between anti-loose structure 130 and electric machine main shaft
Raw frictional force can further prevent locking quick change nut from pine, promote the anti-loosening property of locking quick change nut.
In the present embodiment, mounting portion 124 is annular groove, and auxiliary anti-loose structure 130 is third cyclic structure, and third is cyclic annular
Structure protrudes into annular groove with Nian Jie with the cell wall of annular groove.In this way, above-mentioned connection type to assist anti-loose structure 130 and spiral shell
The connection of maternal body 12 is more firm, and the two is prevented to be mutually disengaged and influence the structural stability of locking quick change nut.Together
When, the structure of above structure is simple, is easily worked, realizes, reduces the labor intensity of staff.
It should be noted that auxiliary anti-loose structure 130 and the connection type of mounting portion 124 are without being limited thereto.Optionally, it assists
Anti-loose structure 130 is clamped with mounting portion 124 or is connect by fastener.In this way, auxiliary anti-loose structure 130 and mounting portion 124
Above-mentioned connection type is more easier the dismounting of the two, is easy, reduces the labor intensity of staff.
In the present embodiment, auxiliary anti-loose structure 130 towards via hole 123 surface and via hole 123 central axis between
Maximum distance be less than internal screw thread 11 crest and via hole 123 the distance between central axis.In this way, in locking quick change nut
During being assembled with part 110 (such as electric machine main shaft) to be tightened, the above-mentioned setting of auxiliary anti-loose structure 130 can prevent auxiliary
Anti-loose structure 130 and electric machine main shaft recurring structure is helped to interfere and influence the loading of electric machine main shaft, so that locking quick change nut
Assembly with part 110 to be tightened is more easier.Meanwhile when locking quick change nut tightening is in part 110 (such as electric machine main shaft) to be tightened
When upper, above-mentioned setting guarantees that auxiliary anti-loose structure 130 can be contacted with electric machine main shaft, and generates frictional force therebetween, in turn
Promote the anti-loosening property of auxiliary anti-loose structure 130.
In the present embodiment, auxiliary anti-loose structure 130 is made of friction resistance material.
Embodiment three
The difference of locking quick change nut and embodiment two in embodiment three is: the structure of auxiliary anti-loose structure 130 is not
Together.
As shown in Figure 7 to 10, auxiliary anti-loose structure 130 includes that sequentially connected card sets section 131 and conical section 132, edge
Card is set in section 131 to the direction of conical section 132, and the size of conical section 132 is gradually increased.Wherein, conical section 132 and mounting portion
124 connections, will assist anti-loose structure 130 to link together with nut body 12, and card sets section 131 and is threaded through in via hole 123
Part to be tightened 110 be clamped.In this way, card sets section when locking quick change nut tightening is on part 110 (such as electric machine main shaft) to be tightened
131 generate certain deformation, so that card sets the frictional force between section 131 and electric machine main shaft and increases.After angle grinder power-off, card is set
The frictional force generated between section 131 and electric machine main shaft can further prevent locking quick change nut from pine, improve locking quick change
The anti-loosening property of nut.Meanwhile the structure of above structure is simple, is easily worked, realizes.
Specifically, mounting portion 124 is groove-like structure compatible with the outer surface of conical section 132, conical section 132 and channel-shaped
Structure clamping.In this way, mounting portion 124 is pressed into groove-like structure, anti-loose structure 130 will be assisted to be connected to nut body 12
Together, so that nut body 12 is able to drive auxiliary anti-loose structure 130 and is rotated.Meanwhile above-mentioned connection type makes nut
The dismounting of ontology 12 and auxiliary anti-loose structure 130 is more easier, is easy, reduces the labor intensity of staff.
It should be noted that nut body 12 and the connection type of auxiliary anti-loose structure 130 are without being limited thereto.Optionally, spiral shell
Maternal body 12 is Nian Jie with auxiliary anti-loose structure 130 or is connected by fastener.
Optionally, it includes multiple circumferentially spaced sub- clamping parts along conical section 132 that card, which sets section 131, and each subcard is set
Portion extends towards via hole 123.In the present embodiment, it includes two circumferentially spaced sons along conical section 132 that card, which sets section 131,
Clamping part.In this way, above-mentioned setting, which can further increase card, sets connecing between section 131 and part to be tightened 110 (such as electric machine main shaft)
Contacting surface product, further increases frictional force between the two, promotes the anti-loosing effect of locking quick change nut.
Example IV
The difference of locking quick change nut and embodiment two in example IV is: the structure of auxiliary anti-loose structure 130 is not
Together.
As shown in Figure 11 to Figure 13, mounting portion 124 is blind hole, and auxiliary anti-loose structure 130 is column structure, and column structure is stretched
Enter in blind hole.Wherein, column structure is Nian Jie with mounting portion 124.Specifically, column structure is protruded into blind hole, and makes column
Structure is Nian Jie with the hole wall of blind hole, is rotated so that nut body 12 is able to drive column structure.In this way, working as locking quick change spiral shell
When mother is tightened on part 110 (such as electric machine main shaft) to be tightened, due to screwing so that column structure generates one for locking quick change nut
Fixed deformation, then column structure generates frictional force towards between the surface and electric machine main shaft of electric machine main shaft.After angle grinder power-off,
Above-mentioned frictional force can prevent locking quick change nut from pine, and then improve the anti-loosening property of locking quick change nut.
It should be noted that the connection type of column structure and mounting portion 124 is without being limited thereto.Optionally, column structure with
The clamping of mounting portion 124 is connected by fastener.
It should be noted that the structure of auxiliary anti-loose structure 130 is without being limited thereto.Optionally, auxiliary anti-loose structure 130 is half
Sphere.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
The anti-loose structure of locking quick change nut, which is arranged in, to screw towards the side of part to be tightened on component, and then increases rotation
The frictional force between component and part to be tightened is twisted, influences to twist to prevent locking quick change nut from rotating relative to part to be tightened
Tight effect, and then the anti-loosing effect of locking quick change nut is improved, solve the locking property of locking quick change nut in the prior art
The problem of energy is poor, influences staff's personal safety.When needing to disassemble locking fast nut, operation screws component
And to screw component and be in rotation stop state, it screws component and is able to drive nut assembly and rotate together, then staff passes through rotation
Can both nut assembly be dismantled by rotating stubborn component.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of locking quick change nut characterized by comprising
Nut assembly (10) has internal screw thread (11)；
Component (20) are screwed, including are arranged structure (21) and separation structure (22), the structure (21) that is arranged is set in the spiral shell
Outside, the separation structure (22) and the structure (21) that is arranged are detachably connected and be located at and described be arranged structure for female component (10)
(21) in, the separation structure (22) connect with the nut assembly (10) rotation stop, so that described screw component (20) are with phase
The rotation stop state static for the nut assembly (10), when it is described screw component (20) and be in the rotation stop state when, it is described
It screws component (20) and is able to drive the nut assembly (10) and rotate together；
Anti-loose structure (100), setting is in the side screwed on component (20) towards part to be tightened (110), described in increasing
Screw the frictional force between component (20) and the part to be tightened (110)；Wherein, the anti-loose structure (100) is by friction resistance material
It is made.
2. locking quick change nut according to claim 1, which is characterized in that the anti-loose structure (100) is arranged with described
Structure (21) bonding or clamping are connected by fastener.
3. locking quick change nut according to claim 1, which is characterized in that described be arranged structure (21) are the first cyclic annular knot
Structure, the anti-loose structure (100) are the second cyclic structure, and first cyclic structure is coaxially set with second cyclic structure
It sets.
4. locking quick change nut according to claim 1, which is characterized in that the nut assembly (10) has along its axial direction
The rotation stop section (121) of setting, the locking quick change nut further include:
Cover board (60) is set in the rotation stop section (121) outside and cooperates with rotation stop section (121) rotation stop, the cover board (60)
Lid is located on the separation structure (22)；Wherein, the anti-loose structure (100) avoids cover board (60) setting.
5. locking quick change nut according to claim 1, which is characterized in that the nut assembly (10) includes nut body
(12), the mounting portion (124) that the nut body (12) has via hole (123) and is connected to the via hole (123), the via hole
(123) inner wall has the internal screw thread (11), the locking quick change nut further include:
Assist anti-loose structure (130), setting in the mounting portion (124), the auxiliary anti-loose structure (130) be threaded through institute
Part (110) contact to be tightened in via hole (123) is stated, to increase the locking quick change nut and the part to be tightened
(110) frictional force between, to prevent the locking quick change nut from rotating relative to the part (110) to be tightened.
6. locking quick change nut according to claim 5, which is characterized in that the mounting portion (124) is annular groove, described
Assisting anti-loose structure (130) is third cyclic structure, the third cyclic structure protrude into the annular groove with the annular
The cell wall of slot is bonded.
7. locking quick change nut according to claim 5, which is characterized in that the auxiliary anti-loose structure (130) includes suitable
The card of secondary connection sets section (131) and conical section (132), along the direction that the card sets section (131) to the conical section (132),
The size of the conical section (132) is gradually increased；Wherein, the conical section (132) connect with the mounting portion (124), will
The auxiliary anti-loose structure (130) links together with the nut body (12), and the card sets section (131) and is threaded through described
Part (110) clamping to be tightened in via hole (123).
8. locking quick change nut according to claim 7, which is characterized in that the mounting portion (124) be and the taper
The compatible groove-like structure in outer surface of section (132), the conical section (132) and the groove-like structure clamping or Nian Jie or pass through
Fastener connection.
9. locking quick change nut according to claim 7, which is characterized in that it includes multiple along institute that the card, which sets section (131),
The circumferentially spaced sub- clamping part of conical section (132) is stated, each sub- clamping part extends towards the via hole (123).
10. locking quick change nut according to claim 5, which is characterized in that the mounting portion (124) is blind hole, described
Assisting anti-loose structure (130) is column structure, and the column structure protrudes into the blind hole；Wherein, the column structure and institute
It states mounting portion (124) clamping or bonding or is connected by fastener.
11. locking quick change nut according to claim 5, which is characterized in that the auxiliary anti-loose structure (130) is towards institute
The maximum distance stated between the surface of via hole (123) and the central axis of the via hole (123) is less than the internal screw thread (11)
The distance between the central axis of crest and the via hole (123).
12. locking quick change nut according to claim 5, which is characterized in that the auxiliary anti-loose structure (130) is by frictional resistance
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199907.8A CN110005690A (en) | 2019-03-15 | 2019-03-15 | Locking quick change nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199907.8A CN110005690A (en) | 2019-03-15 | 2019-03-15 | Locking quick change nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005690A true CN110005690A (en) | 2019-07-12 |
Family
ID=67167216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910199907.8A Pending CN110005690A (en) | 2019-03-15 | 2019-03-15 | Locking quick change nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005690A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273659B1 (en) * | 1997-02-17 | 2001-08-14 | Power Tool Holders Incorporated | Locking mechanism for a rotary working member |
| JP2002098127A (en) * | 2000-09-26 | 2002-04-05 | Tcm Corp | Locking device for nut |
| US20090169336A1 (en) * | 2007-12-27 | 2009-07-02 | Ting-Kuang Chen | Locking Device With Quick Release Mechanism |
| US20100034617A1 (en) * | 2008-08-07 | 2010-02-11 | Power Network Industry Co., Ltd. | Locking device |
| US20100143065A1 (en) * | 2008-12-05 | 2010-06-10 | Zink Frederick E | Fastener with anti-rotation clip |
| CN203146543U (en) * | 2013-03-13 | 2013-08-21 | 山东威达机械股份有限公司 | Quick-assembly-and-disassembly nut |
| CN210122985U (en) * | 2019-03-15 | 2020-03-03 | 山东威达机械股份有限公司 | Anti-loose quick-change nut |
-
2019
- 2019-03-15 CN CN201910199907.8A patent/CN110005690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273659B1 (en) * | 1997-02-17 | 2001-08-14 | Power Tool Holders Incorporated | Locking mechanism for a rotary working member |
| JP2002098127A (en) * | 2000-09-26 | 2002-04-05 | Tcm Corp | Locking device for nut |
| US20090169336A1 (en) * | 2007-12-27 | 2009-07-02 | Ting-Kuang Chen | Locking Device With Quick Release Mechanism |
| US20100034617A1 (en) * | 2008-08-07 | 2010-02-11 | Power Network Industry Co., Ltd. | Locking device |
| US20100143065A1 (en) * | 2008-12-05 | 2010-06-10 | Zink Frederick E | Fastener with anti-rotation clip |
| CN203146543U (en) * | 2013-03-13 | 2013-08-21 | 山东威达机械股份有限公司 | Quick-assembly-and-disassembly nut |
| CN210122985U (en) * | 2019-03-15 | 2020-03-03 | 山东威达机械股份有限公司 | Anti-loose quick-change nut |
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