CN103867550A - Locking device capable of not loosening main shaft and nuts - Google Patents
Locking device capable of not loosening main shaft and nuts Download PDFInfo
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- CN103867550A CN103867550A CN201210538665.9A CN201210538665A CN103867550A CN 103867550 A CN103867550 A CN 103867550A CN 201210538665 A CN201210538665 A CN 201210538665A CN 103867550 A CN103867550 A CN 103867550A
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Abstract
A locking device capable of not loosening a main shaft and nuts comprises the main shaft, a first nut, a second nut and a connection unit. The main shaft comprises a first screwing area and a second screwing area which are disposed at one end of the main shaft and arranged abreast along the axis of the main shaft. The first nut comprises a first thread portion which can be screwed with the first screwing area, and a first end face and a second end face which are oppositely arranged. The second nut comprises a second thread portion which can be screwed with the second screwing area, and a first end face and a second end face which are oppositely arranged. The connection unit connects the first nut and the second nut together in axial fixation mode. The first nut and the second nut can be respectively arranged on the first screwing area and the second screwing area of the main shaft through the first thread portion and the second thread portion, and the connection unit can fix the first nut together with the second nut, and accordingly the first nut and the second nut can rotate along with the main shaft.
Description
Technical field
The present invention relates to a kind of lockup device, particularly relate to the lockup device that a kind of main shaft and nut do not get loose.
Background technique
TaiWan, China certificate number M379665 Patent Case, it discloses a kind of nut lock fixing structure, and it comprises a body and a plurality of screw piece.This body is provided with first screwing part.This first screwing part is to be internal screw thread shape.The inner circumference edge of this first screwing part is provided with most clamping blocks.Described clamping block is to arrange in the form of a ring, and each clamping block is provided with the thread line identical with this first screwing part.This body outer rim is provided with the screw of number and described clamping block similar number.Each screw is to be internal screw thread shape, and aligns mutually with the position of each clamping block.Each screw piece is external screw thread shape and is locked on each screw of this body, and after spiral shell is established, the end of each screw piece is the rear side that compresses corresponding clamping block, and this each screw piece is that this clamping block of compressing pushes away closely to the axle center of this first screwing part.When although above structural design is located at a main shaft at this locking nut spiral shell, by described screw piece along radially oppressing corresponding clamping block more closely against this main shaft, and prevent that this locking nut from getting loose in this main shaft, but the thread line on this clamping block and the main shaft thread line screwing togather with it easily cause the malformation of thread line and the distortion of this locking nut and main shaft under this kind of mode oppressed, thereby affect the proper circle precision that screws togather function and this locking nut and this main shaft of this locking nut and this main shaft, so that this locking nut cannot unload in this main shaft and affect this main shaft running accuracy when rotated.In addition,, in the time that the direction of the sense of rotation of this main shaft and this main shaft of back-out of this locking nut is the same, this locking nut is vulnerable to the drive of this main shaft and screws out this main shaft.
Summary of the invention
The object of the present invention is to provide and a kind ofly do not get loose and do not damage the main shaft of locking structure and the nut lockup device that do not get loose.
Main shaft of the present invention and the nut lockup device that do not get loose, comprises a main shaft, first nut, second nut and a connection unit.
This main shaft comprises being arranged at one end and screwing togather district and one second along side by side one first of its axis and screws togather district.This second screws togather one end that district is contiguous this main shaft.This first screws togather district and has a left-handed thread.This second screws togather district and has a right-handed thread.
This first nut comprises first screw section that can screw togather with this first left-handed thread that screws togather district, and is positioned at first end face and second end face of opposite end portion.This first nut is located at first of this main shaft by its first screw section spiral shell and is screwed togather district.
This second nut comprises second screw section that can screw togather with this second right-handed thread that screws togather district, and is positioned at first end face and second end face of opposite end portion.This second nut is located at second of this main shaft by its second screw section spiral shell and is screwed togather district.
This connection unit links together this first nut and this second nut in axial restraint mode.
This connection unit comprises an annular groove that is positioned at the peripheral portion of the second end face of this first nut, and one be positioned at the first end face of this second nut and to annular lug that should annular groove, the width of this annular lug is greater than the width of this annular groove and can packing mode be placed in this annular groove.
First of this main shaft screws togather district and second, and to screw togather district be the outer circumferential face that is arranged at this end; This first nut also comprises first trepanning running through along its axis, and this first screw section is the inner peripheral surface that is arranged at this first trepanning, and this first trepanning matches with this first screw section and makes this first nut swivel nut screw togather district in first of this main shaft; This second nut also comprises second trepanning running through along its axis, and this second screw section is the inner peripheral surface that is arranged at this second trepanning, and this second trepanning matches with this second screw section and makes this second nut swivel nut screw togather district in second of this main shaft.
Preferably, this main shaft also comprise one caved inward along its axis by an end face groove is set, and one arrange groove bottom along the outward extending axle of axis by this, first of this main shaft screws togather district and second, and to screw togather district be the inner peripheral surface that is arranged at this and arranges groove; This first nut also comprises first trepanning running through along its axis, the first screw section of this first nut is to be arranged at its outer circumferential face, this first nut is by the axle that is arranged in this main shaft by this first trepanning, and this first screw section is screwed together in first of this main shaft and screws togather district and be arranged at this groove is set; This second nut also comprises second trepanning running through along its axis, the second screw section of this second nut is to be arranged at its outer circumferential face, and this second nut is screwed together in second of this main shaft and screws togather district and be arranged at this groove is set by be arranged in the axle of this main shaft and this second screw section by this second trepanning.
Preferably, this connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this second nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this first nut and the clamping slot caving inward; This first nut and this second nut can by by most screw pieces respectively spiral shell be located at this connection unit wear screw and its end be equipped in this connection unit clamping slot and together with being fixed on.
Preferably, this connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this first nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this second nut and the perforating running through along its axis; This first nut and this second nut can be by being arranged in respectively by most screw pieces that the perforating of this connection unit and its end spiral shell are located at the wearing screw of this connection unit and together with being fixed on.
A kind of main shaft and the nut lockup device that do not get loose, comprise a main shaft, first nut, second nut and a connection unit, this main shaft comprises that first of an outer circumferential face that is arranged at one end screws togather the groove that arranges that district, end face by this end cave inward along its axis, and one be arranged at second of this inner peripheral surface that groove is set and screw togather district, this first screws togather district and has a left-handed thread, and this second screws togather district and have a right-handed thread; This first nut comprises that first trepanning running through along its axis, one are arranged at the inner peripheral surface of this first trepanning and first screw section that can screw togather with this first left-handed thread that screws togather district, and being positioned at first end face and second end face of opposite end portion, this first nut screws togather district by being located at first of this main shaft by its first screw section spiral shell; This second nut comprise one have be positioned at first end face of opposite end portion and the body of second end face, vertical outward extending projection of the first end face by this body, one be arranged at this second end face and the seat that arranges for a tool piece setting, and one be arranged at the outer circumferential face of this projection and second screw section that can screw togather with this second right-handed thread that screws togather district, the projection of this second nut is by being screwed together in by its second screw section that second of this main shaft screws togather district and spiral shell is located at the groove that arranges of this main shaft; This connection unit links together this first nut and this second nut in axial restraint mode.
This connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this first nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this second nut and the perforating running through along its axis; This first nut and this second nut can be arranged in respectively that the perforating of this connection unit and its end spiral shell are located at the wearing screw of this connection unit and together with being fixed on by most screw pieces.
Beneficial effect of the present invention is: the limit method of this main shaft and this first nut and this second nut is axial limiting, can not cause the malformation of this first nut, the second nut and main shaft, and allows this main shaft can keep the rotation precision in its when rotation.
Accompanying drawing explanation
Fig. 1 is do not get loose one first embodiment's the three-dimensional exploded view of lockup device of main shaft of the present invention and nut;
Fig. 2 is this first embodiment's sectional drawing;
Fig. 3 is do not get loose one second embodiment's the three-dimensional exploded view of lockup device of main shaft of the present invention and nut;
Fig. 4 is this second embodiment's sectional drawing;
Fig. 5 is do not get loose one the 3rd embodiment's the three-dimensional exploded view of lockup device of main shaft of the present invention and nut;
Fig. 6 is the 3rd embodiment's sectional drawing;
Fig. 7 is do not get loose one the 4th embodiment's the three-dimensional exploded view of lockup device of main shaft of the present invention and nut;
Fig. 8 is the 4th embodiment's sectional drawing.
Embodiment
Below in conjunction with accompanying drawing and four embodiments, the present invention is described in detail.
Before the present invention is described in detail, be noted that in the following description content, similarly assembly is to represent with identical numbering.
Consult Fig. 1 and Fig. 2, do not get loose the first embodiment of lockup device of main shaft of the present invention and nut, comprises first nut 1, one the second nut 2, main shaft 3 and a connection unit 4.
This main shaft 3 comprises being arranged at the outer circumferential face of one end and screwing togather district 31 and one second along side by side one first of its axis and screws togather district 32.This second screws togather one end that district 32 is contiguous these main shafts 3.This first screws togather district 31 and has a left-handed thread 311.This second screws togather district 32 and has a right-handed thread 321(substantially, this first screws togather district 31 and this second screw thread that screws togather district 32 and have respectively different rotary direction, screw togather district 31 and also can there is right-handed thread as first, and this second screws togather district 32 and have left-handed thread).Preferably, this second screws togather district 32 and also has a left-handed thread (not shown) that arranges and be connected with this first left-handed thread 311 that screws togather district 31 with this right-handed thread 321 intervals.This left-handed thread can screw togather with the first screw section 10 of this first nut 1.In the time that the first trepanning 13 of this first nut 1 is formed objects with the second trepanning 23 of this second nut 2, this first nut 1 screws togather the left-handed thread in district 32 and screws in to this and first screw togather district 31 and spiral shell is located at this and first is screwed togather district 31 along second of this main shaft 3.
This first nut 1 comprises that one runs through and transverse section is rounded the first trepanning 13, one are arranged at the inner peripheral surface of this first trepanning 13 and first screw section 10 that can screw togather with this first left-handed thread 311 that screws togather district 31, and are positioned at first end face 11 and second end face 12 of opposite end portion along its axis.This first trepanning 13 matches with this first screw section 10 and makes this first nut 1 swivel nut screw togather district 31 in first of this main shaft 3.
This second nut 2 comprises that one runs through and transverse section is rounded the second trepanning 23, one are arranged at the inner peripheral surface of this second trepanning 23 and second screw section 20 that can screw togather with this second right-handed thread 321 that screws togather district 32, and are positioned at first end face 21 and second end face 22 of opposite end portion along its axis.This second trepanning 23 matches with this second screw section 20 and makes these the second nut 2 swivel nuts screw togather district 32 in second of this main shaft 3.
The first nut 1 and the second nut 2 can be hexagon or circle.
This connection unit 4 links together this first nut 1 and the second nut 2 in axial restraint mode.This connection unit 4 comprises an annular groove 14 that is positioned at the peripheral portion of the second end face 12 of this first nut 1, and the peripheral portion of first end face 21 that is positioned at this second nut 2 and to annular lug 25 that should annular groove 14.The width of this annular lug 25 is greater than the width of this annular groove 14 and can packing mode be placed in this annular groove 14.
Known through above stated specification, first of this main shaft 3 screws togather district 31 and this second and screws togather district 32 and have difference and screw togather the screw thread of direction, therefore be located at this when spiral shell and first screw togather that district 31 and this second screws togather that first nut 1 in district 32 and the second nut 2 link together in axial restraint mode by this connection unit 4 and along with this main shaft 3 rotates, and the sense of rotation of this main shaft 3 be this first nut 1 back-out this first while screwing togather the direction in district 31, this second nut 2 screws out this second direction that screws togather district 32 because of non-its of the sense of rotation of this main shaft 3, therefore still spiral shell is established this and second is screwed togather district 32, and by this connection unit 4, this first nut 1 is fixedly limited in to this second nut 2, thereby prevent that this first nut 1 from screwing out this and first screwing togather district 31, when the sense of rotation of this main shaft 3 be this second nut 2 back-out this second while screwing togather the direction in district 32, also have similarly by this first nut 1, the spacing function of the second nut 2.In addition, above limit method is axial limiting, can not cause the malformation of this first nut 1, the second nut 2 and main shaft 3, and this main shaft 3 can keep the rotation precision in its when rotation.
Consult Fig. 3 and Fig. 4, do not get loose one second embodiment of lockup device of main shaft of the present invention and nut, to be same as this first embodiment haply, it does not exist together is to be, this connection unit 4 of this second embodiment of the present invention comprise most be spaced in the form of a ring in the peripheral portion of the second end face 12 of this first nut 1 and run through along its axis wear screw 16, and most are spaced in the form of a ring in the peripheral portion of the second end face 22 of this second nut 2 and the perforating 29 running through along its axis.This first nut 1 and this second nut 2 can wear respectively that the perforating 29 of this connection unit 4 and its end spiral shell are located at the wearing screw 16 of this connection unit 4 and together with being fixed on by most screw pieces 5.Above limit method is axial limiting, can not cause the malformation of this first nut 1, the second nut 2 and main shaft 3, and this main shaft 3 can keep the rotation precision in its when rotation.
Consult Fig. 5 and Fig. 6, do not get loose one the 3rd embodiment of lockup device of main shaft of the present invention and nut comprises first nut 1, one the second nut 2, main shaft 3 and a connection unit 4.
This main shaft 3 comprises that being arranged at one is caved inward and transverse section is rounded groove 30, one are set groove 30 bottom surfaces are set along the axle 300 that axis stretches out and transverse section is rounded by this along its axis by an end face, and is arranged at this and inner peripheral surface of groove 30 is set and screws togather district 31 and one second along side by side one first of its axis and screw togather district 32.This second screws togather one end that district 32 is contiguous these main shafts 3.This first screws togather district 31 and has a left-handed thread 311.This second screws togather district 32 and has a right-handed thread 321(substantially, this first screws togather district 31 and this second screw thread that screws togather district 32 and have respectively different rotary direction, screw togather district 31 and also can there is right-handed thread as first, and this second screws togather district 32 and have left-handed thread).Preferably, this second screws togather district 32 and also has a left-handed thread (not shown) that arranges and be connected with this first left-handed thread 311 that screws togather district 31 with this right-handed thread 321 intervals.This left-handed thread can screw togather with the first screw section 10 of this first nut 1.In the time that the first trepanning 13 of this first nut 1 is formed objects with the second trepanning 23 of this second nut 2, this first nut 1 screws togather the left-handed thread in district 32 and screws in to this and first screw togather district 31 and spiral shell is located at this and first is screwed togather district 31 along second of this main shaft 3.
This first nut 1 comprises that one runs through and transverse section is rounded the first trepanning 13, first screw section 10 that is arranged at its outer circumferential face and can screws togather with this first left-handed thread 311 that screws togather district 31 along its axis, and is positioned at first end face 11 and second end face 12 of opposite end portion.This first nut 1 is arranged in the axle 300 of this main shaft 3 by this first trepanning 13, and this first screw section 10 is screwed together in first of this main shaft 3 and screws togather district 31 and be arranged at this groove 30 is set.
This second nut 2 comprises that one runs through and transverse section is rounded the second trepanning 23, second screw section 20 that is arranged at its outer circumferential face and can screws togather with this second right-handed thread 321 that screws togather district 32 along its axis, and is positioned at first end face 21 and second end face 22 of opposite end portion.This second nut 2 is arranged in the axle 300 of this main shaft 3 by this second trepanning 23, and this second screw section 20 is screwed together in second of this main shaft 3 and screws togather district 32 and be arranged at this groove 30 is set.
This connection unit 4 comprises that most are spaced in the form of a ring in the peripheral portion of the second end face 12 of this first nut 1 and the clamping slot 15 caving inward, and most be spaced in the form of a ring in the peripheral portion of the second end face 22 of this second nut 2 and run through along its axis wear screw 26.
Wherein, this first nut 1 and this second nut 2 can by most screw pieces 5 respectively spiral shell be located at this connection unit 4 wear screw 26 and its end be equipped in this connection unit 4 clamping slot 15 and together with being fixed on.
Known through above stated specification, first of this main shaft 3 screws togather district 31 and this second and screws togather district 32 and have difference and screw togather the screw thread of direction, therefore be located at this when spiral shell and first screw togather that district 31 and this second screws togather that first nut 1 in district 32 and the second nut 2 link together in axial restraint mode by this connection unit 4 and along with this main shaft 3 rotates, and the sense of rotation of this main shaft 3 be this first nut 1 back-out this first while screwing togather the direction in district 31, this second nut 2 screws out this second direction that screws togather district 32 because of non-its of the sense of rotation of this main shaft 3, therefore still spiral shell is established this and second is screwed togather district 32, and by this connection unit 4, this first nut 1 is fixedly limited in to this second nut 2, thereby prevent that this first nut 1 from screwing out this and first screwing togather district 31, when the sense of rotation of this main shaft 3 be this second nut 2 back-out this second while screwing togather the direction in district 32, also have similarly by this first nut 1, the spacing function of the second nut 2.In addition, above limit method is axial limiting, can not cause the malformation of this first nut 1, the second nut 2 and main shaft 3, and this main shaft 3 can keep the rotation precision in its when rotation.
Consult Fig. 7 and Fig. 8, do not get loose one the 4th embodiment of lockup device of main shaft of the present invention and nut comprises first nut 1, one the second nut 2, main shaft 3 and a connection unit 4.
This main shaft 3 comprises that first of an outer circumferential face that is arranged at one end screws togather district 31, end face by this end and caves inward and transverse section is rounded that groove 30 is set along its axis, and one is arranged at second of this inner peripheral surface that groove 30 is set and screws togather district 32.This first screws togather district 31 and has a left-handed thread 311.This second screws togather district 32 and has a right-handed thread 321(substantially, this first screws togather district 31 and this second screw thread that screws togather district 32 and have respectively different rotary direction, screw togather district 31 and also can there is right rotation screw thread as first, and this second screws togather district 32 and have anticlockwise screw thread).
This first nut 1 comprises that one runs through and transverse section is rounded the first trepanning 13, one are arranged at the inner peripheral surface of this first trepanning 13 and first screw section 10 that can screw togather with this first left-handed thread 311 that screws togather district 31, and are positioned at first end face 11 and second end face 12 of opposite end portion along its axis.
This second nut 2 comprises that one has and is positioned at first end face 271 of opposite end portion and the body 27 of second end face 272.This second nut 2 also comprises a vertical outward extending projection 28 of the first end face 271 by this body 27, and outer circumferential face that is arranged at this projection 28 and can screw togather the second screw section 20 that the right-handed thread 321 in district 32 screws togather with second of this main shaft 3.This second nut 2 also comprises that one is stretched out and for a tool piece (not shown) setting seat 200 is set along axis by its second end face 272 centre.
This connection unit 4 comprise most be spaced in the form of a ring in the peripheral portion of the second end face 12 of this first nut 1 and run through along its axis wear screw 16, and most are spaced in the form of a ring in the peripheral portion of the second end face 272 of this second nut 2 and the perforating 29 running through along its axis.
Wherein, this first nut 1 is first located at first of this main shaft 3 by its first screw section 10 spiral shells and is screwed togather district 31, then the projection 28 of this second nut 2 is screwed together in by its second screw section 20 that second of this main shaft 3 screws togather district 32 and spiral shell is located at this main shaft 3 that groove 30 is set, and this first nut 1 and this second nut 2 can be arranged in respectively that the perforating 29 of this connection unit 4 and its end spiral shell are located at the wearing screw 16 of this connection unit 4 and together with being fixed on by most screw pieces 5, thus therefore this first nut 1 with this second nut 2 along with this main shaft 3 rotates.
Known through above stated specification, first of this main shaft 3 screws togather district 31 and this second and screws togather district 32 and have difference and screw togather the screw thread of direction, therefore be located at this when spiral shell and first screw togather that district 31 and this second screws togather that first nut 1 in district 32 and the second nut 2 link together in axial restraint mode by this connection unit 4 and along with this main shaft 3 rotates, and the sense of rotation of this main shaft 3 be this first nut 1 back-out this first while screwing togather the direction in district 31, this second nut 2 screws out this second direction that screws togather district 32 because of non-its of the sense of rotation of this main shaft 3, therefore still spiral shell is established this and second is screwed togather district 32, and by this connection unit 4, this first nut 1 is fixedly limited in to this second nut 2, thereby prevent that this first nut 1 from screwing out this and first screwing togather district 31, when the sense of rotation of this main shaft 3 be this second nut 2 back-out this second while screwing togather the direction in district 32, also have similarly by this first nut 1, the spacing function of the second nut 2.In addition, above limit method is axial limiting, can not cause the malformation of this first nut 1, the second nut 2 and main shaft 3, and this main shaft 3 can keep the rotation precision in its when rotation.
Beneficial effect of the present invention is: first of this main shaft 3 screws togather district 31 and this second and screw togather district 32 and have difference and screw togather the screw thread of direction, therefore be located at this when spiral shell and first screw togather that district 31 and this second screws togather that first nut 1 in district 32 and the second nut 2 link together in axial restraint mode by this connection unit 4 and along with this main shaft 3 rotates, and the sense of rotation of this main shaft 3 be this first nut 1 back-out this first while screwing togather the direction in district 31, this second nut 2 screws out this second direction that screws togather district 32 because of non-its of the sense of rotation of this main shaft 3, therefore still spiral shell is established this and second is screwed togather district 32, and by this connection unit 4, this first nut 1 is fixedly limited in to this second nut 2, thereby prevent that this first nut 1 from screwing out this and first screwing togather district 31, when the sense of rotation of this main shaft 3 be this second nut 2 back-out this second while screwing togather the direction in district 32, also have similarly by this first nut 1, the spacing function of the second nut 2.In addition, above limit method is axial limiting, can not cause the malformation of this first nut 1, the second nut 2 and main shaft 3, and this main shaft 3 can keep the rotation precision in its when rotation, therefore really can reach the present invention's object.
Claims (8)
1. a main shaft and the nut lockup device that do not get loose, comprise a main shaft, first nut, second nut and a connection unit, it is characterized in that: this main shaft comprises being arranged at one end and screwing togather district and one second along side by side one first of its axis and screws togather district, this second screws togather one end that district is contiguous this main shaft, this first screws togather district and has a left-handed thread, and this second screws togather district and have a right-handed thread; This first nut comprises first screw section that can screw togather with this first left-handed thread that screws togather district, and is positioned at first end face and second end face of opposite end portion, and this first nut is located at first of this main shaft by its first screw section spiral shell and is screwed togather district; This second nut comprises second screw section that can screw togather with this second right-handed thread that screws togather district, and is positioned at first end face and second end face of opposite end portion, and this second nut is located at second of this main shaft by its second screw section spiral shell and is screwed togather district; This connection unit links together this first nut and this second nut in axial restraint mode.
2. main shaft according to claim 1 and the nut lockup device that do not get loose, it is characterized in that: this connection unit comprises an annular groove that is positioned at the peripheral portion of the second end face of this first nut, and one be positioned at the first end face of this second nut and to annular lug that should annular groove, the width of this annular lug is greater than the width of this annular groove and can packing mode be placed in this annular groove.
3. main shaft according to claim 1 and the nut lockup device that do not get loose, is characterized in that: first of this main shaft screws togather district and second, and to screw togather district be the outer circumferential face that is arranged at this end; This first nut also comprises first trepanning running through along its axis, and this first screw section is the inner peripheral surface that is arranged at this first trepanning, and this first trepanning matches with this first screw section and makes this first nut swivel nut screw togather district in first of this main shaft; This second nut also comprises second trepanning running through along its axis, and this second screw section is the inner peripheral surface that is arranged at this second trepanning, and this second trepanning matches with this second screw section and makes this second nut swivel nut screw togather district in second of this main shaft.
4. main shaft according to claim 1 and the nut lockup device that do not get loose, it is characterized in that: this main shaft also comprise one caved inward along its axis by an end face groove is set, and one arrange groove bottom along the outward extending axle of axis by this, first of this main shaft screws togather district and second, and to screw togather district be the inner peripheral surface that is arranged at this and arranges groove; This first nut also comprises first trepanning running through along its axis, the first screw section of this first nut is to be arranged at its outer circumferential face, this first nut is arranged in the axle of this main shaft by this first trepanning, and this first screw section is screwed together in first of this main shaft and screws togather district and be arranged at this groove is set; This second nut also comprises second trepanning running through along its axis, the second screw section of this second nut is to be arranged at its outer circumferential face, and this second nut is arranged in the axle of this main shaft and this second screw section by this second trepanning and is screwed together in second of this main shaft and screws togather district and be arranged at this groove is set.
5. main shaft according to claim 4 and the nut lockup device that do not get loose, it is characterized in that: this connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this second nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this first nut and the clamping slot caving inward; This first nut and this second nut can by most screw pieces respectively spiral shell be located at this connection unit wear screw and its end be equipped in this connection unit clamping slot and together with being fixed on.
6. according to the main shaft described in claim 1 or 3 and the nut lockup device that do not get loose, it is characterized in that: this connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this first nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this second nut and the perforating running through along its axis; This first nut and this second nut can be arranged in respectively that the perforating of this connection unit and its end spiral shell are located at the wearing screw of this connection unit and together with being fixed on by most screw pieces.
7. a main shaft and the nut lockup device that do not get loose, comprise a main shaft, first nut, second nut and a connection unit, it is characterized in that: this main shaft comprises that first of an outer circumferential face that is arranged at one end screws togather the groove that arranges that district, end face by this end cave inward along its axis, and one be arranged at second of this inner peripheral surface that groove is set and screw togather district, this first screws togather district and has a left-handed thread, and this second screws togather district and have a right-handed thread; This first nut comprises that first trepanning running through along its axis, one are arranged at the inner peripheral surface of this first trepanning and first screw section that can screw togather with this first left-handed thread that screws togather district, and being positioned at first end face and second end face of opposite end portion, this first nut is located at first of this main shaft by its first screw section spiral shell and is screwed togather district; This second nut comprise one have be positioned at first end face of opposite end portion and the body of second end face, vertical outward extending projection of the first end face by this body, one be arranged at this second end face and the seat that arranges for a tool piece setting, and one be arranged at the outer circumferential face of this projection and second screw section that can screw togather with this second right-handed thread that screws togather district, the projection of this second nut is screwed together in by its second screw section that second of this main shaft screws togather district and spiral shell is located at the groove that arranges of this main shaft; This connection unit links together this first nut and this second nut in axial restraint mode.
8. main shaft according to claim 7 and the nut lockup device that do not get loose, it is characterized in that: this connection unit comprise most be spaced in the form of a ring in the peripheral portion of the second end face of this first nut and run through along its axis wear screw, and most are spaced in the form of a ring in the peripheral portion of the second end face of this second nut and the perforating running through along its axis; This first nut and this second nut can be arranged in respectively that the perforating of this connection unit and its end spiral shell are located at the wearing screw of this connection unit and together with being fixed on by most screw pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210538665.9A CN103867550B (en) | 2012-12-11 | 2012-12-11 | Main shaft and nut do not get loose lockup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210538665.9A CN103867550B (en) | 2012-12-11 | 2012-12-11 | Main shaft and nut do not get loose lockup device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867550A true CN103867550A (en) | 2014-06-18 |
| CN103867550B CN103867550B (en) | 2016-03-30 |
Family
ID=50906441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210538665.9A Expired - Fee Related CN103867550B (en) | 2012-12-11 | 2012-12-11 | Main shaft and nut do not get loose lockup device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208684A (en) * | 2014-11-14 | 2017-09-26 | O·维克 | Bolt with locking nut |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR324730A (en) * | 1902-09-25 | 1903-04-09 | Foot Albert Charles | Improvements to lock nuts |
| US1452367A (en) * | 1921-08-10 | 1923-04-17 | Ellingson Hans | Lock nut |
| FR1187143A (en) * | 1957-11-09 | 1959-09-07 | lock nut | |
| CN2703913Y (en) * | 2004-06-16 | 2005-06-08 | 付峙东 | Two-screwing screw |
| CN102312899A (en) * | 2011-08-24 | 2012-01-11 | 成都科盛石油科技有限公司 | Fixing device with bidirectional threads |
| CN102705341A (en) * | 2012-06-25 | 2012-10-03 | 中国十七冶集团有限公司 | Left-handed and right-handed rotation nut locking device for large-diameter shaft end |
| CN202946511U (en) * | 2012-12-11 | 2013-05-22 | 王昇辉 | Non-loosing locking device of main shaft and screw caps |
-
2012
- 2012-12-11 CN CN201210538665.9A patent/CN103867550B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR324730A (en) * | 1902-09-25 | 1903-04-09 | Foot Albert Charles | Improvements to lock nuts |
| US1452367A (en) * | 1921-08-10 | 1923-04-17 | Ellingson Hans | Lock nut |
| FR1187143A (en) * | 1957-11-09 | 1959-09-07 | lock nut | |
| CN2703913Y (en) * | 2004-06-16 | 2005-06-08 | 付峙东 | Two-screwing screw |
| CN102312899A (en) * | 2011-08-24 | 2012-01-11 | 成都科盛石油科技有限公司 | Fixing device with bidirectional threads |
| CN102705341A (en) * | 2012-06-25 | 2012-10-03 | 中国十七冶集团有限公司 | Left-handed and right-handed rotation nut locking device for large-diameter shaft end |
| CN202946511U (en) * | 2012-12-11 | 2013-05-22 | 王昇辉 | Non-loosing locking device of main shaft and screw caps |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208684A (en) * | 2014-11-14 | 2017-09-26 | O·维克 | Bolt with locking nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103867550B (en) | 2016-03-30 |
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