CN113294424B - Nut fastener with double-locking structure and using method thereof - Google Patents
Nut fastener with double-locking structure and using method thereof Download PDFInfo
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- CN113294424B CN113294424B CN202110614662.8A CN202110614662A CN113294424B CN 113294424 B CN113294424 B CN 113294424B CN 202110614662 A CN202110614662 A CN 202110614662A CN 113294424 B CN113294424 B CN 113294424B
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- nut
- locking
- hexagonal
- oil inlet
- hexagon
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 85
- 238000007789 sealing Methods 0.000 claims description 6
- 239000010705 motor oil Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- 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
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
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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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
-
- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0038—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
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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
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
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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
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a nut fastener with a double-locking structure and a using method thereof, relates to the technical field of nut fasteners, and aims to solve the problem that most of the existing nut fasteners are locked and fixed by a nut, so that the existing nut fasteners are easy to loosen and fall off after being used for a long time. The novel nut is characterized in that a first hexagon nut is arranged outside the bolt column, a second hexagon nut is arranged on one side of the first hexagon nut, a locking column is arranged between the first hexagon nut and the second hexagon nut, a second oil inlet is formed in the front surface of the first hexagon nut, a first oil inlet is formed in the front surface of the second hexagon nut, oil pipelines are arranged at one ends of the second oil inlet and the first oil inlet, oil outlets are formed in the inner walls of the first hexagon nut and the second hexagon nut, a hexagon head is arranged at one end of the bolt column, a rotating groove is formed in the upper surface of the hexagon head, and a hexagonal edge is arranged inside the rotating groove.
Description
Technical Field
The invention relates to the technical field of nut fasteners, in particular to a nut fastener with a double-locking structure and a using method thereof.
Background
The nut fastener is a very common mechanical part and is used for connecting and fixing two objects, the application is very wide, the nut fastener cannot be separated from bridges, houses, vehicles, iron chains, highways and even seat stools in life, and the types of the nut fastener are also very diverse in order to adapt to the use standards of various industries.
Most of the existing nut fasteners are locked and fixed by a nut, so that the nut fasteners are easy to loosen and fall off after long-time use, and therefore, the nut fasteners with double locking structures and the using method thereof are provided.
Disclosure of Invention
The invention aims to provide a nut fastener with a double-locking structure and a using method thereof, so as to solve the problem that most of the existing nut fasteners in the background art are locked and fixed by a nut, so that the existing nut fasteners are easy to loosen and fall off after being used for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: the nut fastener with the double-locking structure comprises a bolt column, wherein a first hexagon nut is arranged outside the bolt column, a second hexagon nut is arranged on one side of the first hexagon nut, a locking column is arranged between the first hexagon nut and the second hexagon nut, a second oil inlet is formed in the front surface of the first hexagon nut, a first oil inlet is formed in the front surface of the second hexagon nut, oil pipelines are arranged at one ends of the second oil inlet and the first oil inlet, oil outlets are formed in the inner walls of the first hexagon nut and the second hexagon nut, a hexagon head is arranged at one end of the bolt column, a rotating groove is formed in the upper surface of the hexagon head, hexagonal edges are arranged inside the rotating groove, a waterproof cover is arranged at the upper end of the rotating groove, a cover handle is arranged on the upper surface of the waterproof cover and is of an integrated structure with the waterproof cover, a jack column is arranged at the other end of the bolt column, the jack column, the hexagon head and the bolt column are of an integrated structure, four lock columns are arranged on the outer wall of the locking column, an outer thread of the locking column and an integrated structure with the locking column, and the outer thread of the locking column is connected with the locking column through the outer thread.
Preferably, the lower surfaces of the first hexagonal nut and the second hexagonal nut are provided with eight locking grooves, the locking grooves penetrate through the first hexagonal nut and the second hexagonal nut, the locking grooves are of an integrated structure with the first hexagonal nut and the second hexagonal nut, and the penetrating grooves are formed in the first hexagonal nut and the second hexagonal nut.
Preferably, the outside of locking post is provided with the limiting plate, and limiting plate and locking post welded connection, the upper end of locking post is provided with the screw head, and screw head and locking post structure as an organic whole, the upper surface of screw head is provided with the cross recess, and cross recess and screw head structure as an organic whole, the outside of rotating the recess is provided with connecting groove.
Preferably, it is a body structure to run through groove and first hexagon nut and second hexagon nut, the inner wall that runs through the groove is provided with the nut internal thread, and the nut internal thread with run through the groove structure as an organic whole, the outer wall of bolt post is provided with the outer silk of bolt post, and the outer silk of bolt post and bolt post structure as an organic whole, first hexagon nut and second hexagon nut pass through the equal threaded connection of nut internal thread and the outer silk of bolt post and bolt post, one side of the outer silk of bolt post is provided with smooth wall, and smooth wall and bolt post structure as an organic whole.
Preferably, connecting groove and hexagonal head structure as an organic whole, and rotate recess and hexagonal limit and hexagonal head and be a body structure, the waterproof cover passes through connecting groove and the detachable connection of hexagonal head, the outside of waterproof cover is provided with the sealing washer, and the sealing washer closely encircles the waterproof cover, the outer wall of hexagonal head is provided with water proof coating.
Preferably, the second oil inlet and the first oil inlet are respectively integrated with the first hexagon nut and the second hexagon nut, the second oil inlet and the first oil inlet are communicated with the oil outlet through an oil pipeline, oil port covers are arranged at the other ends of the second oil inlet and the first oil inlet, and the oil port covers are detachably connected with the second oil inlet and the first oil inlet.
Preferably, one side surface of the second hexagon nut is provided with first anti-slip grains, the first anti-slip grains and the second hexagon nut are of an integral structure, the other side surface of the second hexagon nut is provided with second anti-slip grains, and the second anti-slip grains and the second hexagon nut are of an integral structure.
Preferably, the upper surface of limiting plate is provided with and carries the post, and carries post and limiting plate structure as an organic whole, the surface of carrying the post is provided with the smooth line of third prevention, and the smooth line of third prevention and carry post structure as an organic whole.
Preferably, the use method of the nut fastener with the double-locking structure comprises the following steps:
the method comprises the following steps: inserting the bolt column into an object to be connected, wherein the second hexagon nut is positioned at one side of the object, and then twisting the first hexagon nut and positioning the first hexagon nut at the other side of the object;
step two: the outer part of the hexagonal head is clamped by an external hexagonal wrench, a small first hexagonal wrench can be inserted into the rotating groove, the hexagonal edge is used for clamping the hexagonal wrench, then the bolt column is screwed, and the first hexagonal nut and the second hexagonal nut are screwed by the hexagonal wrench;
step three: aligning the locking columns to the locking grooves and tightly twisting the locking columns to enable one ends of the locking columns to be located in the locking grooves of the second hexagon nut, fixing the four locking columns in sequence, and then covering the waterproof cover;
step four: when rusty and inconvenient to dismantle, open the oil port cover, pour into machine oil respectively from first oil inlet and second oil inlet, flow to the bolt post from the oil-out through the oil pipe way, wait five minutes after the dismantlement can.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first hexagon nut and the second hexagon nut are arranged outside the bolt column, the locking column is arranged between the first hexagon nut and the second hexagon nut, the locking column is in threaded connection with the locking grooves on the surfaces of the first hexagon nut and the second hexagon nut through the external threads of the locking column, the locking groove penetrates through the first hexagon nut and the second hexagon nut, after the first hexagon nut and the second hexagon nut are connected through the locking column, the phenomenon that the distance between the first hexagon nut and the second hexagon nut is increased due to dislocation and rotation is effectively prevented, the stability is improved, compared with the situation that only the first hexagon nut is connected, the second hexagon nut has the opposite extrusion effect, and the locking column is used for locking the first hexagon nut and the second hexagon nut, the first hexagon nut is prevented from loosening, and double locking is realized.
2. The second oil inlet and the first oil inlet are respectively arranged on the front surfaces of the first hexagon nut and the second hexagon nut, the oil pipelines are respectively arranged at one ends of the second oil inlet and the first oil inlet, the other end of the oil pipeline is communicated with the oil outlet, and the oil outlet is positioned on the inner wall of the through groove.
3. Through set up the rotation recess at the overhead surface of hexagonal, set up the hexagonal limit inside rotating the recess, the board is pulled with the hexagonal that uses little one and is twisted round the hexagonal head, also can use big one hexagonal to pull to block and twist round with the hexagonal head outside, satisfy and use in different spaces, improve flexibility and convenience, set up connecting grooves outside rotating the recess, can block into the waterproof cover through connecting grooves, protect rotating the recess, prevent that inside ponding from causing the damage, improve life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a second hexagonal nut according to the present invention;
fig. 3 is a schematic view of the structure of the hexagon head and the waterproof cover of the present invention;
FIG. 4 is a schematic view of the locking post structure of the present invention;
FIG. 5 is a schematic view of the upper surface structure of the hexagon head according to the present invention;
in the figure: 1. a bolt column; 2. outer threads of the bolt columns; 3. a top pillar; 4. a smooth wall; 5. a hexagonal head; 6. a first hexagonal nut; 7. a second hexagonal nut; 8. a locking groove; 9. a locking post; 10. a first oil inlet; 11. an oil port cover; 12. an oil outlet; 13. an oil conduit; 14. locking the outer screw of the column; 15. screwing the nut; 16. a connecting groove; 17. rotating the groove; 18. a waterproof cover; 19. a seal ring; 20. a lid handle; 21. a limiting plate; 22. a screw head; 23. a cross-shaped groove; 24. a first anti-skid pattern; 25. a second anti-slip pattern; 26. waterproof paint; 27. a second oil inlet; 28. a through groove; 29. lifting the column; 30. a third anti-skid texture; 31. and (4) hexagonal edges.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: the nut fastener with the double-locking structure comprises a bolt column 1, a first hexagon nut 6 is arranged outside the bolt column 1, a second hexagon nut 7 is arranged on one side of the first hexagon nut 6, a locking column 9 is arranged between the first hexagon nut 6 and the second hexagon nut 7, a second oil inlet 27 is arranged on the front surface of the first hexagon nut 6, a first oil inlet 10 is arranged on the front surface of the second hexagon nut 7, oil pipelines 13 are arranged at the second oil inlet 27 and one end of the first oil inlet 10, oil outlets 12 are arranged on the inner walls of the first hexagon nut 6 and the second hexagon nut 7, a hexagon head 5 is arranged at one end of the bolt column 1, a rotating groove 17 is arranged on the upper surface of the hexagon head 5, a hexagonal edge 31 is arranged inside the rotating groove 17, a waterproof cover 18 is arranged at the upper end of the rotating groove 17, a cover handle 20 is arranged on the upper surface of the waterproof cover 18, the cover handle 20 and the waterproof cover 18 are of an integrated structure, a top column 3 is arranged at the other end of the bolt column 1, the top column 3 and the bolt column 5 and the locking column 1 are of an integrated structure, four columns 9 are arranged on the outer wall of the locking column 9, an outer wall of the locking column 9, and an outer wall of the locking column 14 is connected with an outer wall of the locking screw thread 14, and an outer locking screw thread structure, and an outer wall 14.
Further, the lower surface of first hexagon nut 6 and second hexagon nut 7 all is provided with locking groove 8, and locking groove 8 runs through first hexagon nut 6 and second hexagon nut 7, and locking groove 8 is provided with eight, and locking groove 8 is a body structure with first hexagon nut 6 and second hexagon nut 7, and the inside of first hexagon nut 6 and second hexagon nut 7 all is provided with and runs through groove 28, is convenient for first hexagon nut 6 and second hexagon nut 7 through locking groove 8 and is connected with locking post 9.
Further, the outside of locking post 9 is provided with limiting plate 21, and limiting plate 21 and locking post 9 welded connection, and the upper end of locking post 9 is provided with screw head 22, and screw head 22 and locking post 9 structure as an organic whole, and the upper surface of screw head 22 is provided with cross recess 23, and cross recess 23 and screw head 22 structure as an organic whole, and the outside of rotating recess 17 is provided with connecting groove 16, plays limiting displacement through limiting plate 21, avoids locking post 9 to drop.
Further, it is a body structure to run through groove 28 and first hexagon nut 6 and second hexagon nut 7, the inner wall that runs through groove 28 is provided with nut internal thread 15, and nut internal thread 15 with run through groove 28 structure as an organic whole, the outer wall of bolt post 1 is provided with outer silk 2 of bolt post, and outer silk 2 of bolt post and bolt post 1 structure as an organic whole, first hexagon nut 6 and second hexagon nut 7 are through nut internal thread 15 and the equal threaded connection of outer silk 2 of bolt post and bolt post 1, one side of outer silk 2 of bolt post is provided with smooth wall 4, and smooth wall 4 and bolt post 1 structure as an organic whole, can form the extrusion state to first hexagon nut 6 through second hexagon nut 7, improve fixed stability.
Further, connecting groove 16 and hexagonal head 5 structure as an organic whole, and rotation recess 17 and hexagonal limit 31 are a body structure with hexagonal head 5, waterproof cover 18 passes through connecting groove 16 and the detachable connection of hexagonal head 5, waterproof cover 18's outside is provided with sealing washer 19, and sealing washer 19 closely encircles waterproof cover 18, hexagonal head 5's outer wall is provided with water proof paint 26, can protect rotation recess 17 through waterproof cover 18, prevent that inside ponding from causing the damage, improve life.
Further, the second oil inlet 27 and the first oil inlet 10 are respectively integrated with the first hexagon nut 6 and the second hexagon nut 7, the second oil inlet 27 and the first oil inlet 10 are communicated with the oil outlet 12 through the oil pipeline 13, the other ends of the second oil inlet 27 and the first oil inlet 10 are respectively provided with an oil port cover 11, the oil port cover 11 is detachably connected with the second oil inlet 27 and the first oil inlet 10, engine oil is poured from the second oil inlet 27 and the first oil inlet 10 and is discharged from the oil outlet 12, the first hexagon nut 6 and the second hexagon nut 7 are conveniently and smoothly detached, the surfaces of the first hexagon nut 6 and the second hexagon nut 7 are prevented from being polluted, the loss of the engine oil is reduced, the oil pump can be used for ordinary maintenance, and convenience is improved.
Further, a first anti-slip pattern 24 is arranged on one side surface of the second hexagon nut 7, the first anti-slip pattern 24 and the second hexagon nut 7 are of an integral structure, a second anti-slip pattern 25 is arranged on the other side surface of the second hexagon nut 7, the second anti-slip pattern 25 and the second hexagon nut 7 are of an integral structure, and anti-slip performance of the second hexagon nut 7 is improved.
Further, the upper surface of limiting plate 21 is provided with lifting column 29, and lifting column 29 and limiting plate 21 structure as an organic whole, and lifting column 29's surface is provided with the smooth line 30 of third prevention, and the smooth line 30 of third prevention and lifting column 29 structure as an organic whole, the limiting plate 21 of being convenient for personnel to take.
Further, a method of using a nut fastener having a double locking structure, comprising the steps of:
the method comprises the following steps: inserting the bolt column 1 into an object to be connected, positioning the second hexagon nut 7 at one side of the object, and then screwing the first hexagon nut 6 at the other side of the object;
step two: the outer part of the hexagon head 5 is clamped by an external hexagon wrench, or a small hexagon wrench can be inserted into the rotating groove 17, the hexagon wrench is clamped by the hexagon edge 31, then the bolt column 1 is screwed, and the first hexagon nut 6 and the second hexagon nut 7 are screwed by the hexagon wrench;
step three: aligning the locking columns 9 with the locking grooves 8 and tightly twisting the locking columns to enable one ends of the locking columns to be located in the locking grooves 8 of the second hexagon nut 7, sequentially fixing the four locking columns 9, and then covering the waterproof covers 18;
step four: when rust happens and the disassembly is inconvenient, the oil port cover 11 is opened, engine oil is poured into the oil port from the first oil inlet 10 and the second oil inlet 27 respectively, flows to the bolt column 1 from the oil outlet 12 through the oil pipeline 13, and is disassembled after waiting for five minutes.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A nut fastener having a double locking structure, comprising a bolt stud (1), characterized in that: the outer part of the bolt column (1) is provided with a first hexagonal nut (6), one side of the first hexagonal nut (6) is provided with a second hexagonal nut (7), a locking column (9) is arranged between the first hexagonal nut (6) and the second hexagonal nut (7), the front surface of the first hexagonal nut (6) is provided with a second oil inlet (27), the front surface of the second hexagonal nut (7) is provided with a first oil inlet (10), one ends of the second oil inlet (27) and the first oil inlet (10) are both provided with an oil pipeline (13), the inner walls of the first hexagonal nut (6) and the second hexagonal nut (7) are both provided with oil outlets (12), one end of the bolt column (1) is provided with a hexagonal head (5), the upper surface of the hexagonal head (5) is provided with a rotating groove (17), the inside of the rotating groove (17) is provided with a hexagonal edge (31), the upper end of the rotating groove (17) is provided with a waterproof cover (18), the locking columns (9) are provided with four locking columns, the outer wall of the locking column (9) is provided with an outer locking column (14), and an outer locking screw thread (14) is connected with an outer locking screw thread (14) and an outer locking screw thread (8), the lower surface of first hexagon nut (6) and second hexagon nut (7) all is provided with locking groove (8), and locking groove (8) run through first hexagon nut (6) and second hexagon nut (7), locking groove (8) are provided with eight, and locking groove (8) are a body structure with first hexagon nut (6) and second hexagon nut (7), the inside of first hexagon nut (6) and second hexagon nut (7) all is provided with and runs through groove (28).
2. The nut fastener having a double-locking structure as claimed in claim 1, wherein: the outside of locking post (9) is provided with limiting plate (21), and limiting plate (21) and locking post (9) welded connection, the upper end of locking post (9) is provided with screw head (22), and screw head (22) and locking post (9) structure as an organic whole, the upper surface of screw head (22) is provided with cross recess (23), and cross recess (23) and screw head (22) structure as an organic whole, the outside of rotating recess (17) is provided with connecting groove (16).
3. The nut fastener having a double-locking structure as claimed in claim 1, wherein: the inner wall of the through groove (28) is provided with an inner nut thread (15), the inner nut thread (15) and the through groove (28) are of an integrated structure, the outer wall of the bolt column (1) is provided with an outer bolt column thread (2), the outer bolt column thread (2) and the bolt column (1) are of an integrated structure, the first hexagonal nut (6) and the second hexagonal nut (7) are in threaded connection with the outer bolt column thread (2) and the bolt column thread (1) through the inner nut thread (15) and the outer bolt column thread (2), one side of the outer bolt column thread (2) is provided with a smooth wall (4), and the smooth wall (4) and the bolt column (1) are of an integrated structure.
4. A nut fastener having a double locking structure as defined in claim 2, wherein: connecting groove (16) and hexagonal head (5) structure as an organic whole, and rotate recess (17) and hexagonal limit (31) and hexagonal head (5) and be a body structure, waterproof cover (18) are through connecting groove (16) and hexagonal head (5) detachable connection, the outside of waterproof cover (18) is provided with sealing washer (19), and sealing washer (19) closely encircles waterproof cover (18), the outer wall of hexagonal head (5) is provided with water proof coating (26).
5. A nut fastener having a double locking structure as defined in claim 1, wherein: second oil inlet (27) and first oil inlet (10) are respectively with first hexagon nut (6) and second hexagon nut (7) structure as an organic whole, second oil inlet (27) and first oil inlet (10) are through oil pipe way (13) and oil-out (12) intercommunication, the other end of second oil inlet (27) and first oil inlet (10) all is provided with oil flap (11), and oil flap (11) and the equal detachable connection of second oil inlet (27) and first oil inlet (10).
6. The nut fastener having a double-locking structure as claimed in claim 1, wherein: one side surface of second hexagon nut (7) is provided with first anti-skidding line (24), and first anti-skidding line (24) and second hexagon nut (7) structure as an organic whole, the opposite side surface of second hexagon nut (7) is provided with second anti-skidding line (25), and second anti-skidding line (25) and second hexagon nut (7) structure as an organic whole.
7. A nut fastener having a double locking structure as defined in claim 2, wherein: the upper surface of limiting plate (21) is provided with carries post (29), and carries post (29) and limiting plate (21) structure as an organic whole, the surface of carrying post (29) is provided with smooth line of third (30), and smooth line of third (30) and carry post (29) structure as an organic whole.
8. The use method of a nut fastener having a double locking structure according to any one of claims 1 to 7, comprising the steps of:
the method comprises the following steps: inserting the bolt column (1) into an object to be connected, wherein the second hexagonal nut (7) is positioned on one side of the object, and then screwing the first hexagonal nut (6) and positioning the first hexagonal nut on the other side of the object;
step two: the outer part of the hexagonal head (5) is clamped by an external hexagonal wrench, or a small hexagonal wrench is inserted into the rotating groove (17), the hexagonal wrench is clamped by the hexagonal edge (31), then the bolt column (1) is screwed, and the first hexagonal nut (6) and the second hexagonal nut (7) are screwed by the hexagonal wrench;
step three: aligning the locking columns (9) to the locking grooves (8) and screwing tightly to enable one end of each locking column to be located inside the locking groove (8) of the second hexagonal nut (7), sequentially fixing the four locking columns (9), and then covering a waterproof cover (18);
step four: when rusted and inconvenient to detach, the oil port cover (11) is opened, engine oil is poured into the first oil inlet (10) and the second oil inlet (27) respectively, flows to the bolt column (1) from the oil outlet (12) through the oil pipeline (13), and is detached after five minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614662.8A CN113294424B (en) | 2021-06-02 | 2021-06-02 | Nut fastener with double-locking structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614662.8A CN113294424B (en) | 2021-06-02 | 2021-06-02 | Nut fastener with double-locking structure and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN108895080A (en) * | 2018-09-14 | 2018-11-27 | 管铭 | One kind is from torsion stop nut and processing, application method |
| CN108953352A (en) * | 2018-09-30 | 2018-12-07 | 孙团结 | A kind of crawler belt stop nut |
| CN209164314U (en) * | 2018-12-10 | 2019-07-26 | 青岛厚德标准件有限公司 | A kind of anti-theft bolt component |
| CN210218373U (en) * | 2019-06-17 | 2020-03-31 | 贵州众益博润机械设备有限公司 | Multifunctional locking nut |
| CN210599797U (en) * | 2019-08-08 | 2020-05-22 | 浙江天工紧固件有限公司 | Fastening type bolt convenient to dismantle |
| CN111927864A (en) * | 2020-09-02 | 2020-11-13 | 海盐卫士标准件有限公司 | High-strength hexagonal flange locknut |
| CN212899313U (en) * | 2020-08-18 | 2021-04-06 | 邯郸市永年区展宇紧固件制造有限公司 | Fastener with high torque resistance |
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|---|---|---|---|---|
| CN108895080A (en) * | 2018-09-14 | 2018-11-27 | 管铭 | One kind is from torsion stop nut and processing, application method |
| CN108953352A (en) * | 2018-09-30 | 2018-12-07 | 孙团结 | A kind of crawler belt stop nut |
| CN209164314U (en) * | 2018-12-10 | 2019-07-26 | 青岛厚德标准件有限公司 | A kind of anti-theft bolt component |
| CN210218373U (en) * | 2019-06-17 | 2020-03-31 | 贵州众益博润机械设备有限公司 | Multifunctional locking nut |
| CN210599797U (en) * | 2019-08-08 | 2020-05-22 | 浙江天工紧固件有限公司 | Fastening type bolt convenient to dismantle |
| CN212899313U (en) * | 2020-08-18 | 2021-04-06 | 邯郸市永年区展宇紧固件制造有限公司 | Fastener with high torque resistance |
| CN111927864A (en) * | 2020-09-02 | 2020-11-13 | 海盐卫士标准件有限公司 | High-strength hexagonal flange locknut |
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| CN113294424A (en) | 2021-08-24 |
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