CN110285133B - Adjustable anti-loose fastening assembly and assembling and using method thereof - Google Patents
Adjustable anti-loose fastening assembly and assembling and using method thereof Download PDFInfo
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- CN110285133B CN110285133B CN201910609469.8A CN201910609469A CN110285133B CN 110285133 B CN110285133 B CN 110285133B CN 201910609469 A CN201910609469 A CN 201910609469A CN 110285133 B CN110285133 B CN 110285133B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract 6
- 239000011148 porous material Substances 0.000 claims description 6
- 125000003003 spiro group Chemical group 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/08—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
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Abstract
The invention provides an adjustable anti-loose fastening assembly and an assembling and using method thereof, belonging to the field of fasteners. It has solved the current locking fastening assembly and has need to change the problem of treating the connecting piece structure. This locking fastening components with adjustable include the bolt, the bolt includes screw rod and tieing, still include the nut, still include positioning mechanism, positioning mechanism includes the setting element, the setting element includes main position sleeve and vice position sleeve, main position sleeve top is connected with main flexible cover, vice position sleeve bottom is connected with vice flexible cover, still include interior adjusting collar and outer adjusting collar, interior adjusting collar top inner wall is fixed with interior regulating plate, outer adjusting collar top inner wall is fixed with outer regulating plate, still including the sliding sleeve of cover on vice position sleeve, the sliding sleeve inner wall is equipped with the spacing groove, be equipped with the lockhole on the vice position sleeve, still including being located the lock cylinder in the lockhole, still including the reset spring of cover on vice position sleeve, still including the constant head tank that is located the screw rod wall. The fastening assembly can realize the anti-loosening effect without changing the structure of the to-be-connected piece.
Description
Technical Field
The invention belongs to the technical field of fasteners, and relates to an adjustable anti-loose fastening assembly and an assembling and using method thereof.
Background
The bolt and the nut are mutually matched to form the most common fastening connecting piece, and the mechanical equipment is fixed through the screw rod and the nut of the bolt. The bolt and the nut have good connection performance and simple structure, are widely applied to the field of mechanical equipment, but have the defect of easy looseness and are easy to cause safety accidents.
The invention discloses a bolt anti-loosening structure and an anti-loosening method, which are disclosed by the prior application number 201510033943.9, and the invention is characterized in that a bolt head is matched with a counter bore of a connected piece A, an anti-loosening sleeve is sleeved outside a fastening nut, so that the outer side of the anti-loosening sleeve is embedded in the counter bore of a connected piece B, the anti-loosening problem of bolt connection is solved, and the connected piece is ensured to be firmly and reliably connected. However, countersunk holes are required to be respectively machined on the connected piece a and the connected piece B, so that the requirements on the connected piece a and the connected piece B are met, and the connecting device cannot be applied to the existing to-be-connected pieces.
In addition, according to the traditional Chinese patent with the application number of 201510230213.8 and the name of 'a loosening-preventing fastener', the baffle is clamped in the main groove, so that the relative rotation between the bolt and the first nut is avoided, the fastener is always in an effective state, and the safety of equipment is ensured. However, in order to ensure that the bolt head and the nut are tightly pressed on the to-be-connected piece, the main groove on the stud needs to be close to the connection position of the nut, and therefore the main groove needs to continuously extend on the external thread, the external thread structure can be influenced, and the normal connection of the nut is influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an adjustable anti-loosening fastening assembly which has a good anti-loosening effect, does not need to change the structure of a to-be-connected piece, avoids influencing the external thread structure on a bolt and is very convenient to use, and an assembling and using method thereof.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an anti-loosening fastening subassembly with adjustable, includes the bolt, the bolt include the screw rod and fix the cubic bolt head of regular polygon at the screw rod head end, the screw rod has the external screw thread, still including being equipped with the internal thread to the nut of spiro union on the screw rod, its characterized in that: the positioning device comprises a positioning part, the positioning part comprises a main positioning sleeve and an auxiliary positioning sleeve, the inner wall of the main positioning sleeve and the inner wall of the auxiliary positioning sleeve are respectively of a regular polygon sleeve structure and a round sleeve structure, the top end of the main positioning sleeve is coaxially connected with a main telescopic sleeve, the bottom end of the auxiliary positioning sleeve is coaxially connected with an auxiliary telescopic sleeve, the inner wall of the main telescopic sleeve and the outer wall of the auxiliary telescopic sleeve are of a regular polygon sleeve structure which is matched with each other, the main telescopic sleeve is movably sleeved on the auxiliary telescopic sleeve, the outer wall of the main telescopic sleeve is provided with an external thread, the positioning device further comprises an inner adjusting sleeve which is screwed on the outer wall of the main telescopic sleeve, and an outer adjusting sleeve which is movably sleeved on the inner adjusting sleeve, the inner wall of the outer adjusting sleeve and the outer wall of the inner adjusting sleeve are of a regular polygon sleeve structure which is matched with each other, an inner adjusting plate is coaxially fixed on the inner wall of the top end of, the outer wall of the auxiliary positioning sleeve is fixed with a circular retaining ring, the inner adjusting plate is positioned between the retaining ring and the auxiliary telescopic sleeve, the inner wall of the top end of the outer adjusting sleeve is coaxially fixed with an outer adjusting plate, the outer adjusting plate is coaxially provided with an adjusting hole, the auxiliary positioning sleeve also comprises a sliding sleeve movably sleeved on the auxiliary positioning sleeve, the top end of the sliding sleeve is fixed with the adjusting hole, the inner wall of the sliding sleeve is provided with a circular sleeve-shaped limiting groove, the depth of the groove from the top end of the limiting groove to the bottom end of the limiting groove is gradually reduced, the auxiliary positioning sleeve is provided with a plurality of locking holes arranged along the radial direction, the two ends of the locking holes are in a necking structure, the auxiliary positioning sleeve also comprises a cylindrical lock column slidably positioned in the locking holes, the two ends of the lock column are respectively a limiting block and a positioning block of a spherical structure, the limiting block is slidably positioned in the limiting groove, the auxiliary positioning sleeve also comprises a reset spring sleeved, the positioning grooves are close to the tail end of the screw, and the plurality of positioning grooves are uniformly distributed at equal angles along the circumferential direction of the screw;
the main positioning sleeve is sleeved on the outer wall of the nut in a matching mode, the auxiliary positioning sleeve is sleeved on the rod wall at the tail end of the screw in a matching mode, the reset spring pushes the bottom end of the sliding sleeve to enable the limiting block to be located at the bottom end of the limiting groove, the positioning block is embedded in the positioning groove and can drive the inner adjusting sleeve to rotate by rotating the outer adjusting sleeve and adjust the distance between the main positioning sleeve and the auxiliary positioning sleeve, and the positioning block can also move to the top end of the limiting groove by moving the outer adjusting sleeve along the axial direction and move out of the positioning groove and disassemble the positioning block from the screw;
the outer wall of the sliding sleeve is fixedly sleeved with a magnetic block, and the lock cylinder is magnetically adsorbed by the magnetic block.
The fastening component can be used for connecting the traditional to-be-connected piece without changing the structure of the to-be-connected piece; meanwhile, the positioning grooves are close to the tail end of the screw, so that the external threads on the screw cannot be influenced, and the normal screw connection of the nut cannot be influenced; the positioning piece is matched with the positioning groove through the positioning block to avoid relative rotation with the screw, and meanwhile, the main positioning sleeve is matched and sleeved on the outer wall of the nut to avoid relative rotation with the nut, so that relative rotation between the screw and the nut is avoided, and a better anti-loosening effect is achieved; and only need through rotatory outer adjusting collar, can adjust main position sleeve and vice position sleeve distance, consequently can adjust according to the nut degree of screwing, and remove outer adjusting collar, can make locating piece and constant head tank cooperation or separation, consequently the dismouting is used very conveniently.
In foretell locking fastening components with adjustable, the pole wall that the screw rod is close to the tail end be equipped with a plurality of bar alignment grooves, and alignment groove length direction is parallel with the screw rod axis, alignment groove top extend to the screw rod tail end, the bottom deepens and is equipped with the constant head tank, and when the stopper was located the spacing groove top, the locating piece can slide in the alignment groove.
Therefore, the positioning groove can be used for quickly determining the position of the positioning groove and guiding the positioning block into the positioning groove.
In the above adjustable anti-loose fastening assembly, the two side walls of the top end of the alignment groove are in a V-shaped flaring structure.
Therefore, the positioning block can quickly enter the alignment groove.
In foretell locking fastening components with adjustable, main flexible cover inner wall be equipped with along the bar anticreep groove of main flexible cover axial setting, vice flexible cover outer wall is equipped with the anticreep piece that slides and is located the anticreep inslot, and when the anticreep piece was located anticreep groove top, the internal regulation cover spiro union was on main flexible cover outer wall.
The separation of the main telescopic sleeve and the auxiliary telescopic sleeve can be avoided.
In the above-mentioned adjustable anti-loose fastening assembly, the auxiliary telescopic sleeve is provided with a connecting hole, a connecting bolt is fixed in the connecting hole, and an anti-drop block which is slidably embedded in the anti-drop groove is formed at the end of the connecting bolt.
Therefore, the structure is more compact and stable.
In foretell locking fastening components with adjustable, the lockhole one end pore wall deepening of keeping away from the sliding sleeve be equipped with the spread groove, and the spread groove internal fixation has the connection cap, just connection cap inner wall align the intercommunication with the lockhole pore wall, and connect cap clearance fit cover on the lock post, and connect cap inner wall one end and form the throat structure.
Thus facilitating assembly of the present fastening assembly.
In the above adjustable anti-loose fastening assembly, the outer wall of the main positioning sleeve is in a circular sleeve shape, the outer diameter of the main positioning sleeve is the same as that of the outer adjusting sleeve, and the outer wall of the outer adjusting sleeve is provided with anti-skid lines.
Thereby facilitating adjustment for easy disassembly and assembly.
An assembly method for an adjustable anti-loose fastening assembly, characterized in that: the method comprises the following steps:
firstly, an inner adjusting sleeve is screwed on the outer wall of a main telescopic sleeve, then a sliding hole is sleeved on an auxiliary positioning sleeve in a movable fit manner, the main telescopic sleeve is sleeved on the auxiliary telescopic sleeve in a movable fit manner, a retaining ring is sleeved on the outer wall of the auxiliary positioning sleeve and is fixed with the outer wall of the auxiliary positioning sleeve through a fastener, and the inner adjusting plate is positioned between the retaining ring and the auxiliary telescopic sleeve;
fixing the connecting bolt in the connecting hole, wherein the end part of the connecting bolt forms an anti-falling block which is embedded in the anti-falling groove in a sliding manner;
and step three, respectively sleeving the reset spring and the sliding sleeve on the auxiliary positioning sleeve, movably sleeving the outer adjusting sleeve on the inner adjusting sleeve in a matching manner, sleeving the connecting cap on the lock column, installing the lock column into the lock hole, and fixing the connecting cap in the connecting groove to enable the limiting block to be positioned in the limiting groove in a sliding manner.
Through the steps, the fastening assembly can be assembled.
A method of use for an adjustable anti-loosening fastening assembly, comprising: the method comprises the following steps:
step one, a screw rod penetrates through a to-be-connected piece, and a nut is screwed on the screw rod through a wrench, so that a bolt head and the nut are pressed tightly on the to-be-connected piece;
holding the main positioning sleeve and rotating the outer adjusting sleeve, driving the inner adjusting sleeve to rotate, and adjusting the distance between the main positioning sleeve and the auxiliary positioning sleeve to be maximum;
and step three, the main positioning sleeve is sleeved on the outer wall of the nut in a matching mode, the outer adjusting sleeve is moved along the axial direction, the limiting block is moved to the top end of the limiting groove, the outer adjusting sleeve is rotated and drives the inner adjusting sleeve to rotate, the auxiliary positioning sleeve is moved towards the main positioning sleeve, the positioning block is moved to the alignment groove, the auxiliary positioning sleeve is sleeved on the rod wall at the tail end of the screw rod, the outer adjusting sleeve is loosened after the auxiliary positioning sleeve is rotated to the position, the reset spring pushes the bottom end of the sliding sleeve, the limiting block is positioned at the bottom end of the limiting groove, the positioning block is embedded in the positioning groove, and the screw rod and the nut are circumferentially and relatively fixed through the positioning.
Through the steps, the fastening assembly can be used.
Compared with the prior art, the invention has the following advantages:
1. the fastening component can be used for connecting the traditional to-be-connected piece without changing the structure of the to-be-connected piece;
2. meanwhile, the positioning grooves are close to the tail end of the screw, so that the external threads on the screw cannot be influenced, and the normal screw connection of the nut cannot be influenced;
3. the positioning piece is matched with the positioning groove through the positioning block to avoid relative rotation with the screw, and meanwhile, the main positioning sleeve is matched and sleeved on the outer wall of the nut to avoid relative rotation with the nut, so that relative rotation between the screw and the nut is avoided, and a better anti-loosening effect is achieved;
4. and only need through rotatory outer adjusting collar, can adjust main position sleeve and vice position sleeve distance, consequently can adjust according to the nut degree of screwing, and remove outer adjusting collar, can make locating piece and constant head tank cooperation or separation, consequently the dismouting is used very conveniently.
Drawings
Fig. 1 is a sectional view showing the connected state of the present fastening assembly.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is another state diagram of fig. 2.
Fig. 4 is a top view of the bolt.
In the figure, the position of the upper end of the main shaft,
1. a bolt; 11. a screw; 12. a bolt head; 13. positioning a groove; 14. a positioning groove;
2. a nut;
3. a main positioning sleeve; 31. a main telescopic sleeve; 32. a drop-proof groove;
4. an inner adjusting sleeve; 41. an inner adjusting plate; 42. a slide hole;
5. a secondary positioning sleeve; 51. an auxiliary telescopic sleeve; 52. a baffle ring; 53. a lock hole; 54. a lock cylinder; 55. a limiting block; 56. positioning blocks; 57. a return spring; 58. an anti-drop block; 59. a connecting cap;
6. an outer adjusting sleeve; 61. an outer adjustment plate; 62. a sliding sleeve; 63. a limiting groove; 64. a magnetic block.
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 figures 1-4, the invention relates to an adjustable anti-loose fastening assembly, which comprises a bolt 1, wherein the bolt 1 comprises a screw rod 11 and a regular polygon block bolt head 12 fixed at the head end of the screw rod 11, the screw rod 11 is provided with an external thread and also comprises an internal thread and a nut 2 screwed on the screw rod 11, the adjustable anti-loose fastening assembly also comprises a positioning mechanism, the positioning mechanism comprises a positioning piece, the positioning piece comprises a main positioning sleeve 3 and an auxiliary positioning sleeve 5, the inner wall of the main positioning sleeve 3 and the inner wall of the auxiliary positioning sleeve 5 are respectively in regular polygon sleeve shape and round sleeve shape, the top end of the main positioning sleeve 3 is coaxially connected with a main telescopic sleeve 31, the bottom end of the auxiliary positioning sleeve 5 is coaxially connected with an auxiliary telescopic sleeve 51, the inner wall of the main telescopic sleeve 31 and the outer wall of the auxiliary telescopic sleeve 51 are in mutually matched regular polygon sleeve shape, the main telescopic sleeve 31 is movably matched on the auxiliary telescopic sleeve 51, the outer wall of the, and an outer adjusting sleeve 6 movably sleeved on the inner adjusting sleeve 4, wherein the inner wall of the outer adjusting sleeve 6 and the outer wall of the inner adjusting sleeve 4 are of regular polygon sleeve-shaped structures which are matched with each other, an inner adjusting plate 41 is coaxially fixed on the inner wall of the top end of the inner adjusting sleeve 4, a round hole-shaped sliding hole 42 is coaxially arranged on the inner adjusting plate 41, the sliding hole 42 is movably sleeved on the auxiliary positioning sleeve 5 in a matched manner, a circular ring-shaped baffle ring 52 is fixed on the outer wall of the auxiliary positioning sleeve 5, the inner adjusting plate 41 is positioned between the baffle ring 52 and the auxiliary telescopic sleeve 51, an outer adjusting plate 61 is coaxially fixed on the inner wall of the top end of the outer adjusting sleeve 6, an adjusting hole is coaxially arranged on the outer adjusting plate 61, the outer adjusting plate 62 is further provided with a sliding sleeve 62 movably sleeved on the auxiliary positioning sleeve 5, the top end of the sliding sleeve 62 is fixed with the adjusting hole, a round sleeve-shaped limiting groove 63 is arranged on the inner, the two ends of the lock hole 53 are of a necking structure, the lock mechanism further comprises a cylindrical lock column 54 which is slidably positioned in the lock hole 53, the two ends of the lock column 54 are respectively provided with a limiting block 55 and a positioning block 56 which are of spherical structures, the limiting block 55 is slidably positioned in a limiting groove 63, the lock mechanism further comprises a return spring 57 which is sleeved on the auxiliary positioning sleeve 5, the two ends of the return spring 57 are respectively abutted against the baffle ring 52 and the bottom end of the sliding sleeve 62, the positioning mechanism further comprises a plurality of positioning grooves 13 which are positioned on the rod wall of the screw rod 11, the positioning grooves 13 are close to the tail end of the screw rod 11;
the main positioning sleeve 3 is sleeved on the outer wall of the nut 2 in a matching mode, the auxiliary positioning sleeve 5 is sleeved on the rod wall at the tail end of the screw rod 11 in a matching mode, the reset spring 57 pushes the bottom end of the sliding sleeve 62, the limiting block 55 is located at the bottom end of the limiting groove 63, the positioning block 56 is embedded in the positioning groove 13, the outer adjusting sleeve 6 can be rotated, the inner adjusting sleeve 4 is driven to rotate, the distance between the main positioning sleeve 3 and the auxiliary positioning sleeve 5 is adjusted, the outer adjusting sleeve 6 can also be moved axially, the limiting block 55 is moved to the top end of the limiting groove 63, the positioning block 56 is moved out of the positioning groove 13, and the positioning element is detached from the;
the magnetic block 64 is fixedly sleeved on the outer wall of the sliding sleeve 62, and the lock cylinder 54 is magnetically attracted by the magnetic block 64.
Further, the rod wall of the screw rod 11 near the tail end is provided with a plurality of strip-shaped alignment grooves 14, the length direction of the alignment grooves 14 is parallel to the axis of the screw rod 11, the top ends of the alignment grooves 14 extend to the tail end of the screw rod 11, the bottom ends of the alignment grooves are deepened with positioning grooves 13, and when the limiting block 55 is located at the top end of the limiting groove 63, the positioning block 56 can slide in the alignment grooves 14. The two side groove walls at the top end of the alignment groove 14 are in V-shaped flaring structures. The inner wall of the main telescopic sleeve 31 is provided with a strip-shaped anti-falling groove 32 which is axially arranged along the main telescopic sleeve 31, the outer wall of the auxiliary telescopic sleeve 51 is provided with an anti-falling block 58 which is slidably positioned in the anti-falling groove 32, and when the anti-falling block 58 is positioned at the top end of the anti-falling groove 32, the inner adjusting sleeve 4 is screwed on the outer wall of the main telescopic sleeve 31. The auxiliary telescopic sleeve 51 is provided with a connecting hole, a connecting bolt is fixed in the connecting hole, and the end part of the connecting bolt is provided with an anti-falling block 58 which is embedded in the anti-falling groove 32 in a sliding manner. The lockhole 53 is kept away from the one end pore wall deepening of sliding sleeve 62 and is equipped with the spread groove, and the spread groove internal fixation has connecting cap 59, and connects cap 59 inner wall and lockhole 53 pore wall and align the intercommunication, and connects cap 59 clearance fit cover on lock post 54, and connects cap 59 inner wall one end and form the throat structure. The outer wall of the main positioning sleeve 3 is in a round sleeve shape, the outer diameter of the main positioning sleeve 3 is the same as that of the outer adjusting sleeve 6, and the outer wall of the outer adjusting sleeve 6 is provided with anti-skid grains.
An assembly method for an adjustable anti-loose fastening assembly, comprising the steps of:
firstly, an inner adjusting sleeve 4 is screwed on the outer wall of a main telescopic sleeve 31, then a sliding hole 42 is sleeved on an auxiliary positioning sleeve 5 in a movable fit manner, the main telescopic sleeve 31 is sleeved on an auxiliary telescopic sleeve 51 in a movable fit manner, a baffle ring 52 is sleeved on the outer wall of the auxiliary positioning sleeve 5 and is fixed with the outer wall of the auxiliary positioning sleeve 5 through a fastener, and an inner adjusting plate 41 is positioned between the baffle ring 52 and the auxiliary telescopic sleeve 51;
fixing the connecting bolt in the connecting hole, and forming an anti-falling block 58 which is slidably embedded in the anti-falling groove 32 at the end part of the connecting bolt;
and step three, respectively sleeving the return spring 57 and the sliding sleeve 62 on the auxiliary positioning sleeve 5, movably sleeving the outer adjusting sleeve 6 on the inner adjusting sleeve 4 in a matching manner, sleeving the connecting cap 59 on the lock column 54, installing the lock column 54 into the lock hole 53, and fixing the connecting cap 59 in the connecting groove, so that the limiting block 55 is slidably positioned in the limiting groove 63.
A method of use for an adjustable anti-loosening fastening assembly, comprising the steps of:
step one, a screw rod 11 penetrates through a to-be-connected piece, and a nut 2 is screwed on the screw rod 11 by using a wrench, so that a bolt head 12 and the nut 2 are pressed tightly on the to-be-connected piece;
holding the main positioning sleeve 3 and rotating the outer adjusting sleeve 6, driving the inner adjusting sleeve 4 to rotate, and adjusting the distance between the main positioning sleeve 3 and the auxiliary positioning sleeve 5 to be maximum;
and step three, the main positioning sleeve 3 is sleeved on the outer wall of the nut 2 in a matching mode, the outer adjusting sleeve 6 is moved in the axial direction, the limiting block 55 is moved to the top end of the limiting groove 63, the outer adjusting sleeve 6 is rotated and drives the inner adjusting sleeve 4 to rotate, the auxiliary positioning sleeve 5 is moved towards the main positioning sleeve 3, the positioning block 56 is moved to the alignment groove 14, the auxiliary positioning sleeve 5 is sleeved on the tail end rod wall of the screw rod 11, after the auxiliary positioning sleeve is rotated to the position, the outer adjusting sleeve 6 is loosened, the reset spring 57 pushes the bottom end of the sliding sleeve 62, the limiting block 55 is located at the bottom end of the limiting groove 63, the positioning block 56 is embedded in the positioning groove 13, and the positioning block is matched with the positioning groove 13 and the outer wall of the nut.
The fastening component can be used for connecting the traditional to-be-connected piece without changing the structure of the to-be-connected piece; meanwhile, the positioning grooves 13 are close to the tail end of the screw rod 11, so that the external threads on the screw rod 11 cannot be influenced, and the normal screw connection of the nut 2 cannot be influenced; the positioning piece is matched with the positioning groove 13 through the positioning block 56 to avoid relative rotation with the screw rod 11, and meanwhile, the main positioning sleeve 3 is matched and sleeved on the outer wall of the nut 2 to avoid relative rotation with the nut 2, so that the screw rod 11 and the nut 2 are prevented from relative rotation, and a better anti-loosening effect is achieved; and only need through rotatory outer adjusting collar 6, can adjust main position sleeve 3 and the 5 distances of vice position sleeve, consequently can adjust according to nut 2 degree of screwing, and remove outer adjusting collar 6, can make locating piece 56 and constant head tank 13 cooperation or separation, consequently the dismouting is used very conveniently.
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 terms such as the bolt 1, the screw 11, the bolt head 12, the positioning groove 13, the alignment groove 14, the nut 2, the main positioning sleeve 3, the main telescopic sleeve 31, the anti-drop groove 32, the inner adjusting sleeve 4, the inner adjusting plate 41, the sliding hole 42, the auxiliary positioning sleeve 5, the auxiliary telescopic sleeve 51, the baffle ring 52, the locking hole 53, the lock column 54, the limiting block 55, the positioning block 56, the return spring 57, the anti-drop block 58, the connecting cap 59, the outer adjusting sleeve 6, the outer adjusting plate 61, the sliding sleeve 62, the limiting groove 63, the magnetic block 64, 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 (9)
1. The utility model provides an anti-loosening fastening assembly with adjustable, includes bolt (1), bolt (1) include screw rod (11) and fix in the cubic tiehead (12) of regular polygon of screw rod (11) head end, screw rod (11) have the external screw thread, still including being equipped with the internal thread to nut (2) of spiro union on screw rod (11), its characterized in that: the positioning device comprises a positioning part, the positioning part comprises a main positioning sleeve (3) and an auxiliary positioning sleeve (5), the inner wall of the main positioning sleeve (3) and the inner wall of the auxiliary positioning sleeve (5) are respectively of regular polygon sleeve-shaped and round sleeve-shaped structures, the top end of the main positioning sleeve (3) is coaxially connected with a main telescopic sleeve (31), the bottom end of the auxiliary positioning sleeve (5) is coaxially connected with an auxiliary telescopic sleeve (51), the inner wall of the main telescopic sleeve (31) and the outer wall of the auxiliary telescopic sleeve (51) are of mutually matched regular polygon sleeve-shaped structures, the main telescopic sleeve (31) is movably matched and sleeved on the auxiliary telescopic sleeve (51), the outer wall of the main telescopic sleeve (31) is provided with external threads, the positioning device also comprises an inner adjusting sleeve (4) which is screwed on the outer wall of the main telescopic sleeve (31) and an outer adjusting sleeve (6) which is movably matched and sleeved on the inner adjusting sleeve (4), the inner wall of the outer adjusting sleeve (6) and the inner wall of the outer adjusting sleeve (, the coaxial interior regulating plate (41) that is fixed with of interior regulating sleeve (4) top inner wall, the coaxial hole form slide opening (42) that is equipped with on interior regulating plate (41), and slide opening (42) clearance fit cover is on vice position sleeve (5), vice position sleeve (5) outer wall be fixed with ring shape fender ring (52), and interior regulating plate (41) are located between fender ring (52) and vice telescope tube (51), outer position sleeve (6) top inner wall coaxial fixed with outer adjusting plate (61), the coaxial regulation hole that is equipped with on outer adjusting plate (61), still include sliding sleeve (62) of movable sleeve on vice position sleeve (5), sliding sleeve (62) top is fixed with the regulation hole, sliding sleeve (62) inner wall be equipped with circle cover form spacing groove (63), spacing groove (63) top to bottom groove depth reduce gradually, vice position sleeve (5) on be equipped with a plurality of lockholes (53) along radial setting, the two ends of the lock hole (53) are of a necking structure, the lock further comprises a cylindrical lock column (54) which is slidably positioned in the lock hole (53), two ends of the lock column (54) are respectively provided with a limiting block (55) and a positioning block (56) which are of spherical structures, the limiting block (55) is slidably positioned in a limiting groove (63), the lock further comprises a return spring (57) which is sleeved on the auxiliary positioning sleeve (5), two ends of the return spring (57) are respectively abutted against the bottom ends of the stop ring (52) and the sliding sleeve (62), the positioning mechanism further comprises a plurality of positioning grooves (13) which are positioned on the rod wall of the screw rod (11), the positioning grooves (13) are close to the tail end of the screw rod (11), and the positioning grooves (13) are uniformly distributed at equal angles along the;
the main positioning sleeve (3) is sleeved on the outer wall of the nut (2) in a matching mode, the auxiliary positioning sleeve (5) is sleeved on the tail end rod wall of the screw (11) in a matching mode, the return spring (57) pushes the bottom end of the sliding sleeve (62), the limiting block (55) is located at the bottom end of the limiting groove (63), the positioning block (56) is embedded in the positioning groove (13), the outer adjusting sleeve (6) can be rotated to drive the inner adjusting sleeve (4) to rotate, the distance between the main positioning sleeve (3) and the auxiliary positioning sleeve (5) is adjusted, the outer adjusting sleeve (6) can be moved axially, the limiting block (55) moves to the top end of the limiting groove (63), the positioning block (56) moves out of the positioning groove (13), and the positioning piece is detached from the screw (11);
the outer wall of the sliding sleeve (62) is fixedly sleeved with a magnetic block (64), and the lock cylinder (54) is magnetically adsorbed by the magnetic block (64).
2. The adjustable anti-loosening fastening assembly according to claim 1, wherein: screw rod (11) the pole wall that is close to the tail end be equipped with a plurality of bar alignment grooves (14), and alignment groove (14) length direction is parallel with screw rod (11) axis, alignment groove (14) top extend to screw rod (11) tail end, the bottom deepens and is equipped with constant head tank (13), and when stopper (55) is located spacing groove (63) top, locating piece (56) can slide in alignment groove (14).
3. The adjustable anti-loosening fastening assembly according to claim 2, wherein: the two side groove walls at the top end of the alignment groove (14) are in V-shaped flaring structures.
4. The adjustable anti-loosening fastening assembly according to claim 3, wherein: the inner wall of the main telescopic sleeve (31) is provided with a strip-shaped anti-falling groove (32) which is axially arranged along the main telescopic sleeve (31), the outer wall of the auxiliary telescopic sleeve (51) is provided with an anti-falling block (58) which is slidably positioned in the anti-falling groove (32), and when the anti-falling block (58) is positioned at the top end of the anti-falling groove (32), the inner adjusting sleeve (4) is screwed on the outer wall of the main telescopic sleeve (31).
5. The adjustable anti-loosening fastening assembly according to claim 4, wherein: the auxiliary telescopic sleeve (51) is provided with a connecting hole, a connecting bolt is fixed in the connecting hole, and the end part of the connecting bolt forms an anti-falling block (58) which is embedded in the anti-falling groove (32) in a sliding manner.
6. The adjustable anti-loosening fastening assembly according to claim 5, wherein: lockhole (53) keep away from the one end pore wall deepening of sliding sleeve (62) and be equipped with the spread groove, and the spread groove internal fixation has connection cap (59), just connection cap (59) inner wall align the intercommunication with lockhole (53) pore wall, and connect cap (59) clearance fit cover on lock post (54), and connect cap (59) inner wall one end and form the throat structure.
7. The adjustable anti-loosening fastening assembly according to claim 6, wherein: the outer wall of the main positioning sleeve (3) is in a round sleeve shape, the outer diameter of the main positioning sleeve (3) is the same as that of the outer adjusting sleeve (6), and the outer wall of the outer adjusting sleeve (6) is provided with anti-skidding lines.
8. An assembly method for the adjustable anti-loose fastening assembly of claim 7, characterized in that: the method comprises the following steps:
firstly, an inner adjusting sleeve (4) is screwed on the outer wall of a main telescopic sleeve (31), then a sliding hole (42) is sleeved on an auxiliary positioning sleeve (5) in a movable fit manner, the main telescopic sleeve (31) is sleeved on an auxiliary telescopic sleeve (51) in a movable fit manner, a baffle ring (52) is sleeved on the outer wall of the auxiliary positioning sleeve (5) and is fixed with the outer wall of the auxiliary positioning sleeve (5) through a fastener, and an inner adjusting plate (41) is positioned between the baffle ring (52) and the auxiliary telescopic sleeve (51);
fixing the connecting bolt in the connecting hole, wherein the end part of the connecting bolt forms an anti-falling block (58) which is embedded in the anti-falling groove (32) in a sliding manner;
and step three, respectively sleeving a return spring (57) and a sliding sleeve (62) on an auxiliary positioning sleeve (5), movably sleeving an outer adjusting sleeve (6) on an inner adjusting sleeve (4) in a matching manner, sleeving a connecting cap (59) on a lock column (54), installing the lock column (54) into the lock hole (53), fixing the connecting cap (59) in a connecting groove, and enabling a limiting block (55) to be located in a limiting groove (63) in a sliding manner.
9. Use of the adjustable anti-loose fastening assembly according to claim 7, characterized in that: the method comprises the following steps:
step one, a screw rod (11) penetrates through a to-be-connected piece, a nut (2) is screwed on the screw rod (11) through a wrench, and a bolt head (12) and the nut (2) are pressed tightly on the to-be-connected piece;
holding the main positioning sleeve (3) and rotating the outer adjusting sleeve (6), driving the inner adjusting sleeve (4) to rotate, and adjusting the distance between the main positioning sleeve (3) and the auxiliary positioning sleeve (5) to be maximum;
and step three, the main positioning sleeve (3) is sleeved on the outer wall of the nut (2) in a matching mode, the outer adjusting sleeve (6) is moved in the axial direction, the limiting block (55) is moved to the top end of the limiting groove (63), the outer adjusting sleeve (6) is rotated and drives the inner adjusting sleeve (4) to rotate, the auxiliary positioning sleeve (5) is moved towards the main positioning sleeve (3), the positioning block (56) is moved into the alignment groove (14), the auxiliary positioning sleeve (5) is sleeved on the tail end rod wall of the screw rod (11), after the auxiliary positioning sleeve is rotated to the position, the outer adjusting sleeve (6) is loosened, the reset spring (57) pushes the bottom end of the sliding sleeve (62), the limiting block (55) is located at the bottom end of the limiting groove (63), the positioning block (56) is embedded in the positioning groove (13), and the positioning block is matched with the outer wall of the positioning groove (13) and the outer wall of the nut (2) respectively to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910609469.8A CN110285133B (en) | 2019-07-08 | 2019-07-08 | Adjustable anti-loose fastening assembly and assembling and using method thereof |
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| CN201910609469.8A CN110285133B (en) | 2019-07-08 | 2019-07-08 | Adjustable anti-loose fastening assembly and assembling and using method thereof |
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| CN110285133B true CN110285133B (en) | 2020-04-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503122A (en) * | 2020-04-17 | 2020-08-07 | 温州智权工业设计有限公司 | Universal nut and assembling method thereof |
| CN112982766B (en) * | 2021-03-03 | 2022-10-11 | 台州技创机械科技有限公司 | Keel connection structure's kit |
| CN113107952B (en) * | 2021-04-26 | 2022-11-25 | 杭州电子科技大学 | Fastener with anti-loosening function and using method thereof |
| DE102021125716A1 (en) * | 2021-10-04 | 2023-04-06 | Airbus Operations Gmbh | Threaded fastener for a fastener, mounting rail for an aircraft cabin and aircraft fitted therewith |
| CN114412909B (en) * | 2022-04-02 | 2022-06-14 | 广州市普丰科技有限公司 | Detachable bolt connecting piece for rod piece |
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| FR2260021A1 (en) * | 1974-02-05 | 1975-08-29 | Creuzet Robert | Variable length push rod for aircraft - has threaded and serrated parts in conjunction with collet for fine adjustment |
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| TWM557647U (en) * | 2017-11-10 | 2018-04-01 | Tech Stell Co Ltd | Improved punch structure of anti-loose nut set |
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| FR2260021A1 (en) * | 1974-02-05 | 1975-08-29 | Creuzet Robert | Variable length push rod for aircraft - has threaded and serrated parts in conjunction with collet for fine adjustment |
| CN2429679Y (en) * | 1999-10-11 | 2001-05-09 | 张佩师 | Cup-shaped security loosen-proof screw assembly |
| CN101922500A (en) * | 2010-08-25 | 2010-12-22 | 华和平 | Device for preventing loosening and dismounting nuts and tool special for mounting and dismounting same |
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| CN110285133A (en) | 2019-09-27 |
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Effective date of registration: 20220908 Address after: Building 2, Jinfeng Road, High-tech Zone, Xiangyang City, Hubei Province, 441000 Patentee after: HUBEI XIANGYU MACHINERY Co.,Ltd. Address before: 325000 Zhejiang Wenzhou Ouhai District Xinqiao Street 7 group 7 Building 205 room east head Patentee before: WENZHOU SILIN INDUSTRIAL DESIGN Co.,Ltd. |