CN111536135B - Anti-slip nut and assembling method thereof - Google Patents
Anti-slip nut and assembling method thereof Download PDFInfo
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- CN111536135B CN111536135B CN202010369369.5A CN202010369369A CN111536135B CN 111536135 B CN111536135 B CN 111536135B CN 202010369369 A CN202010369369 A CN 202010369369A CN 111536135 B CN111536135 B CN 111536135B
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- 238000012856 packing Methods 0.000 claims abstract description 10
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- 239000002184 metal Substances 0.000 claims description 3
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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
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
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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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides an anti-skidding nut and an assembling method thereof, and belongs to the field of mechanical fasteners. It has solved the poor problem of current nut locking effect. This antiskid nut, including the swivel nut that is equipped with the screw hole, screw hole bottom pore wall is equipped with the swivelling chute, be equipped with the swivel nut in the swivel nut, the swivel nut cell wall is equipped with the spout, the swivel nut outer wall is equipped with the sliding ring, swivel nut bottom cell wall is equipped with the axle and moves the groove, the inslot that moves is equipped with the axle and moves the cover, the cover of epaxial inslot wall is on the swivel nut outer wall, axle moves the cover inner wall and is equipped with constant head tank and position sleeve with the swivel nut outer wall, still include gasket and packing ring, it is fixed with swivel nut bottom outer wall to follow in the gasket, be equipped with the footpath on the swivel nut and moves the hole, the downthehole footpath that wears to be equipped with of footpath and moves the pole, the axle moves the cover outer wall and is equipped with the spacing groove, footpath and moves the stopper that the pole inner has the slip to be located the spacing groove, the inslot is equipped with reset spring that both ends offset mutually with axle respectively and move the cover top and the axle and move the groove. The locking antiskid effect of this nut is better.
Description
Technical Field
The invention belongs to the technical field of mechanical fasteners, and relates to an anti-skidding nut and an assembling method thereof.
Background
In order to avoid the looseness of the nut on the bolt caused by vibration in mechanical equipment, a gasket is usually added between the nut and a connected piece, and the nut is further screwed, so that the axial expansion of the gasket is utilized to improve the thread friction force between the nut and the bolt, and further the anti-loosening performance is improved. However, the mode of adding the gasket for loosening prevention has the following defects:
1. in the process of gradually screwing the nut, friction is generated between the nut and the gasket, although the friction force generated between the nut and the gasket has the anti-loosening function after the nut is screwed, the nut is prevented from being further screwed in the process of screwing the nut;
2. further tighten the nut, can further improve locking effect, but can further improve the back-off degree of difficulty of nut, consequently unsuitable high strength locking that needs, the occasion that needs frequent dismouting again simultaneously is used.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an anti-slip nut which can improve the anti-loose effect only by normal screwing and is convenient to disassemble and an assembling method thereof.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an antiskid nut, is including the swivel nut that is equipped with the screw hole, and the swivel nut outer wall is the regular hexagon structure coaxial with the screw hole, its characterized in that: the hole wall of the bottom end of the threaded hole is coaxially provided with a sleeve-shaped rotating groove, a rotating sleeve is arranged in the rotating groove in a matching way, the groove wall of the rotating groove and the outer wall of the rotating sleeve are of round sleeve-shaped structures which are matched with each other, the groove wall of the rotating groove is coaxially provided with a circular sliding groove, the outer wall of the rotating sleeve is provided with a circular sliding ring which is positioned on the sliding groove, the groove wall of the bottom end of the rotating groove is coaxially provided with a sleeve-shaped axial moving groove, the inner wall of the axial moving groove is of a round sleeve-shaped structure and is sleeved on the outer wall of the rotating sleeve in a movable matching way, the inner wall of the axial moving sleeve and the outer wall of the rotating sleeve are respectively provided with a positioning groove and a positioning sleeve, the groove wall of the positioning groove is of a round sleeve-shaped structure and extends towards the bottom end of the axial moving sleeve, the top end of the positioning groove is of a sawtooth structure, the outer wall of the positioning sleeve is of a round sleeve-shaped structure which is matched with the top end of the positioning sleeve, and the positioning teeth are distributed along the circumferential direction of the rotating sleeve, the gasket also comprises a hard metal gasket and a soft rubber gasket which are of circular structures, the bottom surface of the gasket is fixed with the top surface of the gasket, the inner edge of the gasket is coaxially fixed with the outer wall of the bottom end of the rotary sleeve, the inner diameter of the gasket and the inner diameter of the rotary sleeve are not smaller than the aperture of the threaded hole, six radial shift holes are arranged on the threaded sleeve along the radial direction of the threaded sleeve in the opening direction, the opening directions of the six radial shift holes are respectively vertical to six surfaces of the outer wall of the threaded sleeve, the hole walls of two ends of each radial shift hole are respectively positioned on the groove wall of the axial shift groove and the outer wall of the threaded sleeve, the hole wall of the outer end of the radial moving hole is of a necking structure, a radial moving rod is arranged in the radial moving hole in a penetrating way, the outer end of the radial moving rod is of a round head shape, a limiting groove of a chute structure is arranged on the outer wall of the axial moving sleeve, the inclination direction of the limiting groove and the axis of the threaded hole form an included angle, a limiting block which is positioned on the limiting groove in a sliding way is arranged at the inner end of the radial moving rod, a reset spring with two ends respectively butted with the top end of the shaft shift sleeve and the shaft shift groove is arranged in the shaft shift groove;
the reset spring pushes the axial moving sleeve to enable the limiting block to be positioned at the top end of the limiting groove, the positioning groove is meshed with the positioning teeth, the outer end of the radial moving rod extends out of the outer wall of the threaded sleeve, and the rotating sleeve is matched with the radial moving rod through the axial moving sleeve and is circumferentially and relatively fixed with the threaded sleeve;
and the outer end of the radial moving rod can be extruded to align the outer end of the radial moving rod with the outer wall of the threaded sleeve, so that the limiting block moves to the bottom end of the limiting groove, the axial moving sleeve moves upwards to separate the positioning groove from the positioning teeth, and the threaded sleeve can rotate around the axis of the rotating sleeve at the moment.
In the screwing and unscrewing processes, the screw sleeve is clamped by the wrench, so that the radial moving rod can be pushed to move inwards, the whole formed by the screw sleeve and the shaft moving sleeve and the whole formed by the gasket and the gasket can be in a circumferential relatively rotatable state, the influence on the screwing process of the screw sleeve caused by the friction force generated in the circumferential direction of the gasket and the connected piece can be avoided, the axial pressure on the gasket can be increased by the screw sleeve and the connected piece, the gasket is further clamped, after the screwing and unscrewing are finished, the radial moving rod is loosened by the wrench, the radial moving rod is reset, the whole formed by the screw sleeve and the shaft moving sleeve and the whole formed by the gasket and the gasket can be in a circumferential locking state, the gasket expands, the thread friction force between the bolt and the screw sleeve can be improved, and the screw sleeve, the gasket and the connected piece can form an integral structure; and through ingenious structural design, the wrench can be screwed only by normally utilizing the wrench.
In the anti-slip nut, the bottom surface of the gasket and the top surface of the gasket are in circular inclined plane structures which are matched and abutted with each other, the bottom surface of the gasket is in a plane structure which is vertical to the axis of the threaded hole, the inner wall of the gasket is in a circular sleeve-shaped structure which is coaxial with the threaded hole, an included angle between the top surface of the gasket and the inner wall of the gasket is an acute angle, and the inner diameter of the gasket is the same as the aperture of the threaded hole.
Therefore, after the gasket is axially compressed, the gasket radially expands and clamps the bolt, so that the nut, the bolt and the connected piece form a relatively fixed integral structure after the nut is screwed, and the stability is further improved.
In the above anti-slip nut, the radial shift hole and the radial shift rod are non-circular hole-shaped and non-circular rod-shaped structures which are matched with each other.
Therefore, the radial moving rod can only move along the radial moving hole.
In the anti-slip nut, the bottom end of the threaded sleeve is provided with a pad groove, and the pad is positioned in the pad groove.
In the anti-slip nut, the groove wall of the axial displacement groove and the outer wall of the axial displacement sleeve are of regular polygonal sleeve-shaped structures which are matched with each other.
The structural stability can be improved.
In an above-mentioned anti-skidding nut, the packing ring bottom surface be equipped with a plurality of anti-skidding lines, and anti-skidding line is the radial bar structure that sets up of packing ring along length direction, a plurality of anti-skidding lines distribute along packing ring circumference.
The anti-loosening effect can be further improved.
In an above-mentioned anti-slip nut, the outer wall of the top end of the rotating sleeve have a guide surface with a circular ring-shaped inclined plane structure, the outer wall of the rotating sleeve is coaxially provided with a circular ring-shaped annular groove, the sliding ring is of a notch structure and is embedded in the sliding groove, and the sliding ring is guided by the guide surface and is installed in the annular groove.
In the anti-slip nut, the bottom of the limiting groove extends to the bottom end of the shaft moving sleeve.
The nut is convenient to assemble.
In an above-mentioned anti-slip nut, the rotating sleeve and the rotating groove and the shaft shift sleeve contact part are smooth surfaces, and the gasket and the pad groove contact part are smooth surfaces.
The operation can be further facilitated.
A method of assembling a slip nut, comprising: the method comprises the following steps:
step one, respectively installing a reset spring and a shaft moving sleeve into a shaft moving groove, pushing the shaft moving sleeve upwards and penetrating a radial moving rod from the inner end of a radial moving hole, and loosening the shaft moving sleeve to enable a limiting block to enter a limiting groove;
and step two, embedding the slip ring in the sliding groove, installing the rotating sleeve in the rotating groove, and pushing the rotating sleeve up to a proper position so that the slip ring is guided by the guide surface and is installed in the annular groove.
Compared with the prior art, the invention has the following advantages:
in the screwing and unscrewing processes, the screw sleeve is clamped by the wrench, so that the radial moving rod can be pushed to move inwards, the whole formed by the screw sleeve and the shaft moving sleeve and the whole formed by the gasket and the gasket can be in a circumferential relatively rotatable state, the influence on the screwing process of the screw sleeve caused by the friction force generated in the circumferential direction of the gasket and the connected piece can be avoided, the axial pressure on the gasket can be increased by the screw sleeve and the connected piece, the gasket is further clamped, after the screwing and unscrewing are finished, the radial moving rod is loosened by the wrench, the radial moving rod is reset, the whole formed by the screw sleeve and the shaft moving sleeve and the whole formed by the gasket and the gasket can be in a circumferential locking state, the gasket expands, the thread friction force between the bolt and the screw sleeve can be improved, and the screw sleeve, the gasket and the connected piece can form an integral structure; and through ingenious structural design, the wrench can be screwed only by normally utilizing the wrench.
Drawings
FIG. 1 is a front view and a partial cross-sectional view of the nut connecting structure;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial schematic view of the rotary sleeve and the axial shift sleeve in the condition of FIG. 2;
FIG. 4 is a partial schematic view corresponding to FIG. 2 in a state of pressing the radial shift rod;
FIG. 5 is a partial schematic view of the rotary sleeve and the axial shift sleeve in the condition of FIG. 4;
fig. 6 is a transverse cross-sectional view of fig. 1.
In the figure, the position of the upper end of the main shaft,
1. a threaded sleeve; 11. a threaded hole; 12. a rotating tank; 13. a chute; 14. an axial movement groove; 15. radially moving the hole; 16. a return spring; 17. a pad groove;
2. a rotating sleeve; 21. a slip ring; 22. a positioning sleeve; 23. positioning teeth; 24. a gasket; 25. a gasket; 26. a guide surface; 27. a ring groove;
3. a shaft moving sleeve; 31. positioning a groove; 32. a limiting groove;
4. radially moving the rod; 41. a limiting block;
5. a bolt;
6. is connected with the piece.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-6, the anti-slip nut of the present invention comprises a threaded sleeve 1 having a threaded hole 11, wherein the outer wall of the threaded sleeve 1 is a regular hexagon structure coaxial with the threaded hole 11, a sleeve-shaped rotating groove 12 is coaxially disposed on the bottom hole wall of the threaded hole 11, a rotating sleeve 2 is cooperatively disposed in the rotating groove 12, the groove wall of the rotating groove 12 and the outer wall of the rotating sleeve 2 are mutually matched, a circular sliding groove 13 is coaxially disposed on the groove wall of the rotating groove 12, a circular sliding ring 21 disposed on the sliding groove 13 is disposed on the outer wall of the rotating sleeve 2, a sleeve-shaped axial moving groove 14 is coaxially disposed on the bottom hole wall of the rotating groove 12, an axial moving sleeve 3 is cooperatively disposed in the axial moving groove 14, the inner wall of the axial moving sleeve 3 is a circular sleeve-shaped structure and movably fitted on the outer wall of the rotating sleeve 2, a positioning groove 31 and a positioning sleeve 22 are respectively disposed on the inner wall of the axial moving sleeve 3 and the outer wall of the rotating sleeve 2, the positioning groove 31 is a circular sleeve-shaped structure and extends toward the bottom end of the axial moving sleeve 3, the top end of the positioning groove 31 is of a sawtooth structure, the outer wall of the positioning sleeve 22 is of a round sleeve-shaped structure matched with the groove wall of the positioning groove 31, the top end of the positioning sleeve 22 is provided with positioning teeth 23 of the sawtooth structure which can be meshed with the top end of the positioning groove 31, the positioning teeth 23 are distributed along the circumferential direction of the rotary sleeve 2, the rotary sleeve further comprises a hard metal gasket 24 and a soft rubber gasket 25 which are of a circular ring-shaped structure, the bottom surface of the gasket 24 is fixed with the top surface of the gasket 25, the inner edge of the gasket 24 is coaxially fixed with the outer wall of the bottom end of the rotary sleeve 2, the inner diameter of the gasket 25 and the inner diameter of the rotary sleeve 2 are not smaller than the aperture of the threaded hole 11, the screw sleeve 1 is provided with six radial moving holes 15 with opening directions arranged along the radial direction of the screw sleeve 1, the opening directions of the six radial moving holes 15 are respectively vertical to six surfaces of the outer wall of the screw sleeve 1, two ends of the radial moving holes 15 are respectively positioned on the groove wall 14 and the outer wall of the screw sleeve 1, the hole wall of the outer end of the radial moving hole 15 is of a necking structure, and a radial moving rod 4 penetrates through the radial moving hole 15, the outer end of the radial moving rod 4 is round-head-shaped, the outer wall of the axial moving sleeve 3 is provided with a limiting groove 32 with a chute structure, the inclined direction of the limiting groove 32 and the axis of the threaded hole 11 form an included angle, the inner end of the radial moving rod 4 is provided with a limiting block 41 which is slidably positioned on the limiting groove 32, and the axial moving groove 14 is internally provided with a reset spring 16 of which the two ends are respectively abutted against the top end of the axial moving sleeve 3 and the axial moving groove 14;
the reset spring 16 pushes the axial-moving sleeve 3 to enable the limiting block 41 to be positioned at the top end of the limiting groove 32, the positioning groove 31 is meshed with the positioning teeth 23, the outer end of the radial-moving rod 4 extends out of the outer wall of the threaded sleeve 1, and the rotary sleeve 2 is circumferentially and relatively fixed with the threaded sleeve 1 through the matching of the axial-moving sleeve 3 and the radial-moving rod 4;
and the outer end of the radial moving rod 4 can be extruded to align the outer end of the radial moving rod 4 with the outer wall of the screw sleeve 1, so that the limiting block 41 moves to the bottom end of the limiting groove 32, the axial moving sleeve 3 moves upwards to separate the positioning groove 31 from the positioning teeth 23, and the screw sleeve 1 can rotate around the axis of the rotary sleeve 2 at the moment.
Furthermore, the bottom surface of the gasket 24 and the top surface of the washer 25 are annular inclined plane structures which are matched and abutted with each other, the bottom surface of the washer 25 is a plane structure which is perpendicular to the axis of the threaded hole 11, the inner wall of the washer 25 is a circular sleeve-shaped structure which is coaxial with the threaded hole 11, an included angle between the top surface of the washer 25 and the inner wall of the washer 25 is an acute angle, and the inner diameter of the washer 25 is the same as the aperture of the threaded hole 11. The radial shift hole 15 and the radial shift rod 4 are non-circular hole-shaped and non-circular rod-shaped structures which are matched with each other. The bottom end of the screw sleeve 1 is provided with a pad groove 17, and a gasket 24 is positioned in the pad groove 17. The groove wall of the axial moving groove 14 and the outer wall of the axial moving sleeve 3 are in a regular polygon sleeve-shaped structure matched with each other. The bottom surface of the gasket 25 is provided with a plurality of anti-slip threads, the anti-slip threads are of strip-shaped structures which are arranged along the radial direction of the gasket 25 in the length direction, and the anti-slip threads are distributed along the circumferential direction of the gasket 25. The outer wall of the top end of the rotating sleeve 2 is provided with a guide surface 26 with a circular inclined plane structure, the outer wall of the rotating sleeve 2 is coaxially provided with a circular annular groove 27, the sliding ring 21 is of a notch structure and is embedded in the sliding groove 13, and the sliding ring 21 is guided by the guide surface 26 and is installed in the annular groove 27. The bottom of the limiting groove 32 extends to the bottom end of the shaft moving sleeve 3. The contact parts of the rotary sleeve 2 and the rotary groove 12 and the shaft moving sleeve 3 are smooth surfaces, and the contact parts of the gasket 24 and the pad groove 17 are smooth surfaces.
During screwing operation, the bolt 5 penetrates through the connected piece 6, then the wrench is sleeved or clamped on the outer wall of the threaded sleeve 1, the wrench clamps the threaded sleeve 1 and pushes the radial moving rod 4 to move inwards, so that the rotary sleeve 2 and the threaded sleeve 1 can be in a relatively rotatable state, the threaded sleeve 1 and the gasket 24 can be in a relatively rotatable state, the gasket 24 and the gasket 25 can move axially towards the connected piece 6 in the process of screwing the threaded sleeve 1 by using the wrench, the axial pressing strength of the threaded sleeve 1 and the connected piece 6 on the gasket 25 is improved, the axial pressure of the gasket 25 is further improved, the gasket 25 expands to improve the thread friction force between the threaded sleeve 1 and the bolt 5, after the wrench is screwed and taken off, the reset spring 16 drives the axial moving sleeve 3 to reset, the positioning groove 31 is meshed with the positioning teeth 23, the rotary sleeve 2 and the threaded sleeve 1 can be circumferentially fixed relatively, and the threaded sleeve 1 and the gasket 25 are circumferentially fixed relatively, the screw sleeve 1 can be prevented from rotating relative to the connected piece 6, so that the anti-loosening effect is further improved; when the same reason unscrewing operation, can push away the internal motion of footpath moving rod 4 with the spanner cover on or press from both sides on 1 outer wall of swivel nut, make swivel nut 2 and swivel nut 1 be relative rotatable state to at the utilization spanner unscrewing swivel nut 1 in-process, except overcoming the frictional force of screw thread formation, only need overcome nut 1 and gasket 24 between the circumferential friction can, need not to overcome the gasket 25 and by the frictional force between the connecting piece 6, consequently can be more light unscrewing nut 1.
An assembly method for a slip nut comprising the steps of:
step one, respectively installing a return spring 16 and a shaft moving sleeve 3 into a shaft moving groove 14, pushing up the shaft moving sleeve 3, penetrating a radial moving rod 4 from the inner end of a radial moving hole 15, and loosening the shaft moving sleeve 3 to enable a limiting block 41 to enter a limiting groove 32;
and step two, embedding the sliding ring 21 in the sliding groove 13, installing the rotating sleeve 2 in the rotating groove 12, and pushing up the rotating sleeve 2 to a proper position, so that the sliding ring 21 is guided by the guide surface 26 and is installed in the annular groove 27.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the screw sleeve 1, the threaded hole 11, the rotary groove 12, the sliding groove 13, the axial movement groove 14, the radial movement hole 15, the return spring 16, the cushion groove 17, the rotary sleeve 2, the sliding ring 21, the positioning sleeve 22, the positioning teeth 23, the gasket 24, the washer 25, the guide surface 26, the annular groove 27, the axial movement sleeve 3, the positioning groove 31, the limiting groove 32, the radial movement rod 4, the limiting block 41, the bolt 5, the connected piece 6 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an antiskid nut, is including swivel nut (1) that is equipped with screw hole (11), swivel nut (1) outer wall for the regular hexagon structure coaxial with screw hole (11), its characterized in that: the hole wall of the bottom end of the threaded hole (11) is coaxially provided with a sleeve-shaped rotating groove (12), the rotating groove (12) is internally provided with a rotating sleeve (2) in a matching way, the groove wall of the rotating groove (12) and the outer wall of the rotating sleeve (2) are of round sleeve-shaped structures which are matched with each other, the groove wall of the rotating groove (12) is coaxially provided with a circular sliding groove (13), the outer wall of the rotating sleeve (2) is provided with a circular sliding ring (21) which is positioned on the sliding groove (13), the groove wall of the bottom end of the rotating groove (12) is coaxially provided with a sleeve-shaped axial moving groove (14), the axial moving groove (14) is internally provided with an axial moving sleeve (3) in a matching way, the inner wall of the axial moving sleeve (3) is of a round sleeve-shaped structure and is movably sleeved on the outer wall of the rotating sleeve (2), the inner wall of the axial moving sleeve (3) and the outer wall of the rotating sleeve (2) are respectively provided with a positioning groove (31) and a positioning sleeve (22), the groove (31) is of a round sleeve-shaped structure and extends towards the bottom end of the axial moving sleeve (3), and the top end of the positioning groove (31) is of a sawtooth structure, the outer wall of the positioning sleeve (22) is of a circular sleeve-shaped structure matched with the groove wall of the positioning groove (31), positioning teeth (23) of a sawtooth structure capable of being meshed with the top end of the positioning groove (31) are arranged at the top end of the positioning sleeve (22), the positioning teeth (23) are distributed along the circumferential direction of the rotary sleeve (2), the positioning sleeve further comprises a hard metal gasket (24) and a soft rubber gasket (25) which are of circular ring structures, the bottom surface of the gasket (24) is fixed with the top surface of the gasket (25), the inner edge of the gasket (24) is coaxially fixed with the outer wall of the bottom end of the rotary sleeve (2), the inner diameter of the gasket (25) and the inner diameter of the rotary sleeve (2) are not smaller than the aperture of a threaded hole (11), the rotary sleeve (1) is provided with radial moving holes (15) which are arranged along the radial direction of the rotary sleeve (1), the opening directions of the six radial moving holes (15) are respectively vertical to six faces of the outer wall of the rotary sleeve (1), and the hole walls of two ends of the radial moving holes (15) are respectively located on the groove wall of the axial moving groove (14) and the outer wall of the rotary sleeve (1), the hole wall of the outer end of the radial moving hole (15) is of a necking structure, a radial moving rod (4) penetrates through the radial moving hole (15), the outer end of the radial moving rod (4) is of a round head shape, a limiting groove (32) of a chute structure is arranged on the outer wall of the axial moving sleeve (3), the inclined direction of the limiting groove (32) and the axis of the threaded hole (11) are arranged at an included angle, a limiting block (41) which is located on the limiting groove (32) in a sliding mode is arranged at the inner end of the radial moving rod (4), and a reset spring (16) with two ends respectively abutted against the top end of the axial moving sleeve (3) and the axial moving groove (14) is arranged in the axial moving groove (14);
the reset spring (16) pushes the axial moving sleeve (3) to enable the limiting block (41) to be positioned at the top end of the limiting groove (32), the positioning groove (31) is meshed with the positioning teeth (23), the outer end of the radial moving rod (4) extends out of the outer wall of the threaded sleeve (1), and the rotary sleeve (2) is matched with the axial moving sleeve (3) and the radial moving rod (4) to be circumferentially and relatively fixed with the threaded sleeve (1);
and the outer end of the radial moving rod (4) can be extruded to align the outer end of the radial moving rod (4) with the outer wall of the threaded sleeve (1), the limiting block (41) is moved to the bottom end of the limiting groove (32), the axial moving sleeve (3) moves upwards and separates the positioning groove (31) from the positioning teeth (23), and the threaded sleeve (1) can rotate around the axis of the rotating sleeve (2).
2. The non-slip nut as claimed in claim 1, wherein: gasket (24) bottom surface and packing ring (25) top surface be the ring shape inclined plane structure that mutually supports counterbalance, packing ring (25) bottom surface be with screw hole (11) axis vertically planar structure, packing ring (25) inner wall is the round sleeve column structure coaxial with screw hole (11), and packing ring (25) top surface and packing ring (25) inner wall contained angle are the acute angle, packing ring (25) internal diameter is the same with screw hole (11) aperture.
3. A slip nut as defined in claim 2, wherein: the radial moving hole (15) and the radial moving rod (4) are of non-circular hole-shaped and non-circular rod-shaped structures which are matched with each other.
4. A slip nut as claimed in claim 3, wherein: the bottom end of the threaded sleeve (1) is provided with a pad groove (17), and the gasket (24) is positioned in the pad groove (17).
5. The non-slip nut as claimed in claim 4, wherein: the wall of the axial moving groove (14) and the outer wall of the axial moving sleeve (3) are in regular polygon sleeve-shaped structures which are matched with each other.
6. A slip nut as claimed in claim 5, wherein: the bottom surface of the gasket (25) is provided with a plurality of anti-slip lines, the anti-slip lines are of strip-shaped structures which are arranged along the radial direction of the gasket (25) in the length direction, and the anti-slip lines are distributed along the circumferential direction of the gasket (25).
7. The slip nut of claim 6, wherein: the outer wall of the top end of the rotating sleeve (2) is provided with a guide surface (26) with a circular ring-shaped inclined surface structure, the outer wall of the rotating sleeve (2) is coaxially provided with a circular ring-shaped annular groove (27), the sliding ring (21) is of a notch structure and is embedded in the sliding groove (13), and the sliding ring (21) is guided by the guide surface (26) and is installed in the annular groove (27).
8. The slip nut of claim 7, wherein: the bottom of the limiting groove (32) extends to the bottom end of the shaft moving sleeve (3).
9. The slip nut of claim 8, wherein: the contact parts of the rotating sleeve (2) and the rotating groove (12) and the shaft moving sleeve (3) are smooth surfaces, and the contact parts of the gasket (24) and the gasket groove (17) are smooth surfaces.
10. A method of assembling the anti-slip nut of claim 9, wherein: the method comprises the following steps:
step one, respectively installing a reset spring (16) and a shaft moving sleeve (3) into a shaft moving groove (14), pushing up the shaft moving sleeve (3) and penetrating a radial moving rod (4) from the inner end of a radial moving hole (15), and loosening the shaft moving sleeve (3) to enable a limiting block (41) to enter a limiting groove (32);
and secondly, embedding the sliding ring (21) in the sliding groove (13), installing the rotating sleeve (2) in the rotating groove (12), pushing the rotating sleeve (2) up to the position, and leading the sliding ring (21) to be guided by the guide surface (26) and installed in the annular groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369369.5A CN111536135B (en) | 2020-05-05 | 2020-05-05 | Anti-slip nut and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369369.5A CN111536135B (en) | 2020-05-05 | 2020-05-05 | Anti-slip nut and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN110285130A (en) * | 2019-07-08 | 2019-09-27 | 温州远协电子科技有限公司 | A kind of quick anti-loose fastening device and its assembly and application method |
| CN110307238A (en) * | 2019-07-08 | 2019-10-08 | 温州远协电子科技有限公司 | A kind of limit fastener and its assembling and application method |
| CN110332203A (en) * | 2019-07-08 | 2019-10-15 | 温州思林工业设计有限公司 | A kind of self-locking fastener and its assembly and installation method |
| CN110332205A (en) * | 2019-07-20 | 2019-10-15 | 张丽丽 | A kind of stable type check bolt |
| KR20190125562A (en) * | 2018-04-28 | 2019-11-07 | 조영선 | The loosening Bolt Nut ratchet washer - spring effect washer combination |
| CN209724941U (en) * | 2019-03-15 | 2019-12-03 | 浙江标达动力科技有限公司 | A kind of express locomotive high-strength copper washer arrangement |
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|---|---|---|---|---|
| KR20190125562A (en) * | 2018-04-28 | 2019-11-07 | 조영선 | The loosening Bolt Nut ratchet washer - spring effect washer combination |
| CN209724941U (en) * | 2019-03-15 | 2019-12-03 | 浙江标达动力科技有限公司 | A kind of express locomotive high-strength copper washer arrangement |
| CN110285130A (en) * | 2019-07-08 | 2019-09-27 | 温州远协电子科技有限公司 | A kind of quick anti-loose fastening device and its assembly and application method |
| CN110307238A (en) * | 2019-07-08 | 2019-10-08 | 温州远协电子科技有限公司 | A kind of limit fastener and its assembling and application method |
| CN110332203A (en) * | 2019-07-08 | 2019-10-15 | 温州思林工业设计有限公司 | A kind of self-locking fastener and its assembly and installation method |
| CN110332205A (en) * | 2019-07-20 | 2019-10-15 | 张丽丽 | A kind of stable type check bolt |
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| CN111536135A (en) | 2020-08-14 |
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