CN111623020B - Stainless steel fastener capable of improving positioning effect - Google Patents
Stainless steel fastener capable of improving positioning effect Download PDFInfo
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- CN111623020B CN111623020B CN202010309316.4A CN202010309316A CN111623020B CN 111623020 B CN111623020 B CN 111623020B CN 202010309316 A CN202010309316 A CN 202010309316A CN 111623020 B CN111623020 B CN 111623020B
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- nut
- grooves
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 51
- 239000010935 stainless steel Substances 0.000 title claims abstract description 50
- 230000000694 effects Effects 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000000670 limiting effect Effects 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a stainless steel fastener capable of improving a positioning effect, which comprises a fastener and a nut, wherein the fastener is provided with a screwing end, a cylinder and a threaded column, the screwing end is fixed at the upper end of the cylinder, a sliding block is connected between the two sliding grooves in a sliding manner, a first threaded groove is arranged on the sliding block in a penetrating manner, a communicating groove mutually communicated with the through groove is arranged at the inner bottom of the mounting groove, a threaded rod is arranged in the communicating groove in a penetrating manner, a rotating mechanism is arranged between the upper end of the threaded rod and the mounting groove, an internal thread matched with the threaded column is arranged on the inner wall of the nut, and a first arc-shaped surface is arranged on the inner wall of the upper end of the nut. The invention has reasonable structure, can stably connect the fastener and the nut with the connecting structure, has higher safety because the nut is not easy to loosen when being vibrated, can also split the fastener into a plurality of parts, is convenient to replace if parts are damaged, and is simple and convenient to install and disassemble.
Description
Technical Field
The invention relates to the technical field of stainless steel fasteners, in particular to a stainless steel fastener capable of improving a positioning effect.
Background
The stainless steel fastener is mainly selected from stainless steel, which is not easy to rust, and actually, a part of stainless steel has both stainless property and acid resistance (corrosion resistance). Stainless steel is rustless and corrosion resistant due to the formation of a chromium-rich oxide film (passive film) on the surface thereof. This rust and corrosion resistance is relative. Tests show that the corrosion resistance of the steel is improved along with the increase of the water content of chromium in the steel in the weak media such as atmosphere, water and the like and the oxidizing media such as nitric acid and the like, and when the chromium content reaches a certain percentage, the corrosion resistance of the steel is suddenly changed, namely, the steel is easy to rust, difficult to rust, and is not corrosion-resistant to corrosion-resistant. Stainless steel is classified in many ways. Classified according to the structure at room temperature, there are martensitic, austenitic, ferritic and duplex stainless steels; the alloy can be classified into two major systems of chromium stainless steel and chromium-nickel stainless steel according to main chemical components; the stainless steel can be classified into nitric acid resistant stainless steel, sulfuric acid resistant stainless steel, seawater resistant stainless steel standard parts and the like according to purposes, and can be classified into pitting resistant stainless steel, stress corrosion resistant stainless steel, intergranular corrosion resistant stainless steel and the like according to corrosion resistant types; the stainless steel can be classified into non-magnetic stainless steel, free-cutting stainless steel, low-temperature stainless steel, high-strength stainless steel and the like according to functional characteristics. Stainless steel has a series of characteristics such as excellent corrosion resistance, formability, compatibility, toughness in a wide temperature range and the like, so that the stainless steel is widely applied to the industries such as heavy industry, light industry, living goods industry, architectural decoration and the like.
At present, the stainless steel fastener that industry used most often is bolt and nut, and the installation is dismantled comparatively conveniently and portable, but it has certain drawback when using, and the structure of fastener is too single, and it takes place the condition of droing easily in the use, has reduced the safety in utilization of fastener, especially is used in the bolt and nut on the truck, and the frequent vibrations of jolting of truck can make bolt and nut not hard up, has the potential safety hazard, and we have designed a stainless steel fastener that can improve positioning effect for this reason.
Disclosure of Invention
The invention aims to provide a stainless steel fastener capable of improving a positioning effect so as to solve the problems that the stainless steel fastener in the prior art is single in structure and easy to fall off.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stainless steel fastener capable of improving a positioning effect comprises a fastener and a nut, wherein the fastener is provided with a screwing end, a cylinder and a threaded column, the screwing end is fixed at the upper end of the cylinder, the threaded column is fixed at the lower end of the cylinder, the screwing end, the cylinder and the threaded column are integrally formed through melting, a through groove is jointly penetrated and arranged at the center of the cylinder and the threaded column from top to bottom, a threaded rod is installed in the through groove, sliding grooves mutually communicated with the through groove are respectively arranged at two sides of the threaded column, a sliding block is slidably connected between the two sliding grooves, a first threaded groove is penetrated and arranged on the sliding block, the threaded rod penetrates through the first threaded groove and is in threaded connection with the first threaded groove, limiting mechanisms are respectively arranged at the left end and the right end of the sliding block, a mounting groove is arranged at the upper end of the screwing end, a communicating groove mutually communicated with the through groove is arranged at the inner bottom of the mounting groove, the threaded rod runs through the intercommunication groove setting, be equipped with slewing mechanism between the upper end of threaded rod and the mounting groove, the inner wall of nut be equipped with screw post assorted internal thread, the upper end inner wall of nut is equipped with first arcwall face.
Preferably, stop gear is including setting up the flexible groove at the sliding block tip, flexible inslot sliding connection has the stopper, fixedly connected with elastic spring between the inner wall in stopper and flexible groove, the sliding block is equipped with the second arcwall face with the one end lower part that elastic spring carried on the back mutually, the sliding block is equipped with the pressing face with the one side that elastic spring carried on the back mutually.
Preferably, the limiting block is provided with a limiting groove in one side of the fixed elastic spring, a limiting rod is connected in the limiting groove in a sliding mode, and the limiting rod is fixedly connected with the inner wall of the telescopic groove.
Preferably, the rotating mechanism comprises a bearing, the bearing is connected to the outer wall of the bearing in a sliding mode, two guide blocks are fixedly connected to the outer wall of the bearing, two guide grooves are formed in the mounting groove, the two guide blocks extend into the guide grooves on the same side respectively and are connected with the guide grooves in a sliding mode, a connecting block is arranged in the bearing in an interference fit mode, the threaded rod is fixedly connected with the bottom of the connecting block, a hexagonal wrench groove is formed in the upper end of the connecting block, and a locking mechanism is arranged between the connecting block and the bearing.
Preferably, it is equipped with two second thread grooves to run through on the lateral wall of twisting the end, twist and serve the spread groove that is equipped with and communicates each other with two second thread grooves, the internal diameter of spread groove is greater than the internal diameter of second thread groove, the homonymy install positioning bolt jointly between spread groove and the second thread groove, the outer wall of bearing is equipped with two draw-in grooves, two positioning bolt all extends to in the draw-in groove of homonymy, two positioning bolt back to the back one side of the body all is equipped with the plum blossom groove.
Preferably, a plurality of anti-rotation grooves are formed in one end face, opposite to the first arc-shaped face, of the nut, and the anti-rotation grooves are evenly distributed in the end face of the nut.
Preferably, the shape of the limiting block is matched with that of the anti-rotation groove, and the height of the limiting block is larger than the thickness of the anti-rotation groove.
Preferably, the locking mechanism comprises an annular rack plate fixed on an outer ring of the bearing, a clamping rod is arranged on an inner ring of the bearing and rotatably connected with the upper end of the bearing through a torsion spring, a vertical groove communicated with the hexagonal wrench groove is formed in the connecting block, and the vertical groove is located right below the clamping rod.
Preferably, the screwing end, the cylinder and the threaded column are all made of stainless steel, and the screwing end is hexagonal prism-shaped.
Compared with the prior art, the invention has the beneficial effects that:
the nut is matched with the fastener, so that the installation of the fastener and a structure to be connected is realized, and the sliding block cannot rotate under the limiting of the limiting groove, so that the limiting block cannot rotate, and further the nut cannot rotate, so that the fastener and the nut can be stably connected with the connecting structure and are not easy to loosen; when the limiting block abuts against the anti-rotation groove, the anti-rotation groove can generate downward pressure on the limiting block, so that the pressure between the sliding block and the threaded rod is increased, the resistance of the threaded rod during rotation is increased, the threaded rod and the sliding block are locked mutually, the limiting block and the anti-rotation groove are locked mutually, the clamping rod is abutted tightly under the action of the torsion spring, the clamping rod is limited through the annular rack plate and cannot rotate, the bearing inner ring and the connecting block are limited, the bearing inner ring and the connecting block are not prone to rotate, the threaded rod is limited, the threaded rod is guaranteed to be prevented from rotating when being vibrated, the fastener and the nut can be connected with the connecting structure more stably, and the safety is higher; the fastener can be disassembled into a plurality of parts, if parts are damaged, the parts can be conveniently replaced, and the installation and the disassembly are simple and convenient.
In conclusion, the nut connecting structure is reasonable in structure, the fastening piece, the nut and the connecting structure can be stably connected together, the nut is not easy to loosen when the nut is vibrated, the safety degree is higher, the fastening piece can be disassembled into a plurality of parts, if parts are damaged, the fastening piece is convenient to replace, and the nut connecting structure is simple and convenient to install and disassemble.
Drawings
FIG. 1 is a cross-sectional view of a stainless steel fastener of the present invention to improve the positioning effect;
FIG. 2 is a schematic connection diagram of a limiting mechanism of a stainless steel fastener capable of improving the positioning effect according to the present invention;
FIG. 3 is a schematic structural diagram of a nut of a stainless steel fastener capable of improving the positioning effect according to the present invention;
FIG. 4 is a cross-sectional view of the driving end of a stainless steel fastener of the present invention for improving the positioning effect;
FIG. 5 is a top view of a nut of a stainless steel fastener according to the present invention for improving positioning effect;
FIG. 6 is a top view of a bearing of a stainless steel fastener according to the present invention, which can improve the positioning effect;
fig. 7 is a perspective view of a connecting block in a stainless steel fastening piece capable of improving a positioning effect.
In the figure: 1 fastener, 2 twist and move the end, 3 cylinder, 4 screw thread posts, 5 logical grooves, 6 threaded rods, 7 sliding tray, 8 sliding blocks, 9 mounting grooves, 10 internal threads, 11 first arcwall face, 12 nuts, 13 first thread grooves, 14 flexible groove, 15 elastic spring, 16 gag lever post, 17 spacing grooves, 18 stopper, 19 press face, 20 second arcwall face, 21 logical grooves, 22 connecting blocks, 23 hexagonal spanner grooves, 24 bearings, 25 second thread grooves, 26 spread groove, 27 draw-in grooves, 28 positioning bolt, 29 guide way, 30 guide block, 31 anti-rotation groove, 32 annular rack plate, 33 calorie of pole, 34 torsion spring, 35 vertical groovees.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-7, a can improve stainless steel fastener of location effect, including fastener 1 and nut 12, fastener 1 has and screws end 2, cylinder 3 and screw thread post 4, screws end 2 and fixes in the upper end of cylinder 3, and screw thread post 4 is fixed in the lower extreme of cylinder 3, screws end 2, cylinder 3 and screw thread post 4 and passes through melting integrated into one piece, screws the material of end 2, cylinder 3 and screw thread post 4 and is the stainless steel material, and screws the shape of end 2 and is the setting of hexagonal prism.
A through groove 5 is formed in the centers of the cylinder 3 and the threaded column 4 in a vertically penetrating manner, a threaded rod 6 is installed in the through groove 5, and the threaded rod 6 does not abut against the inner wall of the through groove 5; sliding grooves 7 communicated with the through groove 5 are formed in the two sides of the threaded column 4, a sliding block 8 is connected between the two sliding grooves 7 in a sliding mode, the left end and the right end of the sliding block 8 are matched with the outer wall of the threaded column 4, and therefore the nut 12 cannot be prevented from being installed; the sliding block 8 is provided with a first thread groove 13 in a penetrating way, and the threaded rod 6 penetrates through the first thread groove 13 and is in threaded connection with the first thread groove.
The left end and the right end of sliding block 8 all are equipped with stop gear, stop gear is including setting up the flexible groove 14 at the 8 tip of sliding block, sliding connection has stopper 18 in flexible groove 14, fixed connection has elastic spring 15 between stopper 18 and flexible groove 14's the inner wall, sliding block 8 is equipped with second arcwall face 20 with the one end lower part that elastic spring 15 carried on the back mutually, sliding block 8 is equipped with pressing face 19 with the one side that elastic spring 15 carried on the back mutually, stopper 18 is equipped with spacing groove 17 with the one side of fixed elastic spring 15, sliding connection has gag lever post 16 in the gag lever post 17, gag lever post 16 and flexible groove 14's inner wall fixed connection, it is spacing to stopper 18 once more through gag lever post 17 and gag lever post 16, stopper 18 is rectangular block-shaped.
The upper end of the twisting end 2 is provided with a mounting groove 9, the inner bottom of the mounting groove 9 is provided with a communicating groove 21 communicated with the through groove 5, the threaded rod 6 is arranged by penetrating through the communicating groove 21, a rotating mechanism is arranged between the upper end of the threaded rod 6 and the mounting groove 9, the rotating mechanism comprises a bearing 24 which is connected in the mounting groove 9 in a sliding manner, the outer wall of the bearing 24 is fixedly connected with two guide blocks 30, two guide grooves 29 are arranged in the mounting groove 9, the two guide blocks 30 respectively extend into the guide grooves 29 on the same side and are connected with the same in a sliding manner, and the bearing 24 is conveniently mounted through the guide blocks 30 and the guide grooves 29, so that the clamping groove 27 is ensured to be right opposite to the positioning bolt 28; bearing 24's inside interference fit has connecting block 22, threaded rod 6 and connecting block 22's bottom fixed connection, and connecting block 22's upper end is equipped with hexagonal spanner groove 23, conveniently rotates connecting block 22 through hexagonal spanner, and then is convenient for rotate threaded rod 6.
A locking mechanism is arranged between the connecting block 22 and the bearing 24, the locking mechanism comprises an annular rack plate 32 which is arranged on an outer ring of the bearing 24, a clamping rod 33 is arranged on an inner ring of the bearing 24, the clamping rod 33 is rotatably connected with the upper end of the bearing 24 through a torsion spring 34, and the torsion spring 34 is arranged on the inner ring of the bearing 24 through a corresponding bracket; the connecting block 22 is provided with a vertical groove 35 communicated with the hexagonal wrench groove 23, the vertical groove 35 is located under the clamping rod 33, when the hexagonal wrench is inserted into the hexagonal wrench groove 23, the hexagonal wrench can press the clamping rod 33 downwards, the clamping rod 33 rotates to the vertical groove 35, and therefore the hexagonal wrench can be installed in the hexagonal wrench groove 23 and can rotate the connecting block 22.
Two second thread grooves 25 are arranged on the side wall of the screwing end 2 in a penetrating mode, a connecting groove 26 communicated with the two second thread grooves 25 is arranged on the screwing end 2, the inner diameter of the connecting groove 26 is larger than that of the second thread grooves 25, positioning bolts 28 are jointly installed between the connecting groove 26 and the second thread grooves 25 on the same side, two clamping grooves 27 are formed in the outer wall of the bearing 24, the two positioning bolts 28 extend into the clamping grooves 27 on the same side, and quincunx grooves are formed in the opposite sides of the two positioning bolts 28; through the cooperation of positioning bolt 28 and draw-in groove 27, can fix bearing 24, also make things convenient for bearing 24 to dismantle.
The inner wall of nut 12 is equipped with and screw thread post 4 assorted internal thread 10, the upper end inner wall of nut 12 is equipped with first arcwall face 11, nut 12 is equipped with a plurality of anti-rotating grooves 31 with a terminal surface that first arcwall face 11 was carried on the back mutually, a plurality of anti-rotating grooves 31 evenly distributed are on the terminal surface of nut 12, stopper 18 and anti-rotating groove 31's shape phase-match, and stopper 18 highly be greater than anti-rotating groove 31's thickness, then stopper 18 part exposes anti-rotating groove 31, press face 19 promptly and expose in the outside, make things convenient for the staff to press and rotate.
When the nut 12 is actually used, firstly, the fastener 1 is installed in a structure to be connected, the lower end face of the screwing end 2 is abutted against the upper end of the connecting structure, the second arc-shaped face 20 is abutted against the end face of the connecting structure in the installation process, a worker only needs to press the fastener 1 downwards with slight force, the second arc-shaped face 20 slides into the telescopic groove 14 due to being limited, and therefore the fastener 1 can be installed in the structure to be connected, then the worker installs the nut 12, and the first arc-shaped face 11 at the upper end is opposite to the second arc-shaped face 20 when the nut 12 is installed.
During mounting nut 12, internal thread 10 and 4 threaded connection of screw thread post, then rotate nut 12 and make it move to twisting end 2 direction, when first arcwall face 11 offsets with second arcwall face 20, continue to rotate nut 12, under the spacing of first arcwall face 11, second arcwall face 20 and stopper 18 slide to flexible inslot 14 to can make sliding block 8 pass nut 12, twist nut 12 and make its bottom with needing connection structure offset, so realize the installation to fastener 1 and nut 12.
Then, a worker can insert a hexagonal wrench into the hexagonal wrench groove 23 and rotate the hexagonal wrench, when the hexagonal wrench is inserted into the hexagonal wrench groove 23, the hexagonal wrench can press the clamping rod 33 downwards, the clamping rod 33 rotates into the vertical groove 35, and the clamping rod 33 is not abutted against the annular rack plate 32 any more, so that the hexagonal wrench can be installed in the hexagonal wrench groove 23, the connecting block 22 can be rotated, the connecting block 22 rotates to drive the threaded rod 6 to rotate, and the connecting block 22 can be more conveniently rotated under the action of the bearing 24; because the sliding block 8 cannot rotate under the limit of the sliding groove 7, when the threaded rod 6 rotates, the sliding block 8 can slide up and down in the sliding groove 7, the sliding block 8 moves upwards, and the two limit blocks 18 move into the anti-rotation grooves 31 at the bottom of the nut 12, so that the whole installation of the fastener 1 is realized; when the hexagonal wrench is taken out, the clamping rod 33 is no longer limited, the clamping rod 33 is reset under the action of the torsion spring 34, and the clamping rod 33 abuts against the annular rack plate 32.
According to the invention, the installation of the fastener 1 and a structure to be connected is realized through the matching of the nut 12 and the fastener 1, and the sliding block 8 cannot rotate under the limiting action of the sliding groove 7, so that the limiting block 18 cannot rotate, and further the nut 12 cannot rotate, so that the fastener 1 and the nut 12 can be stably connected with the connecting structure and are not easy to loosen; when the limiting block 18 abuts against the anti-rotation groove 31, the anti-rotation groove 31 can generate downward pressure on the limiting block 18, so that the pressure between the sliding block 8 and the threaded rod 6 is increased, the resistance when the threaded rod 6 rotates is increased, the threaded rod 6 and the sliding block 8 are locked mutually, the limiting block 18 and the anti-rotation groove 31 are locked mutually, and the fastener 1 and the nut 12 can be connected with the connecting structure more stably; the clamping rod 33 is abutted against the annular rack plate 32 tightly under the action of the torsion spring 34, the clamping rod 33 is limited through the annular rack plate 32, so that the clamping rod cannot rotate, the inner ring of the bearing 24 and the connecting block 22 are limited, the clamping rod is not easy to rotate, the threaded rod 6 is limited, and the clamping rod cannot rotate when being vibrated.
When the fastening piece 1 is disassembled, a worker rotates the connecting block 22 reversely through a hexagonal wrench to enable the limiting block 18 to be separated from the anti-rotation groove 31, then the worker manually presses the pressing surface 19 to enable the limiting block 18 to slide into the telescopic groove 14, and therefore the nut 12 can be disassembled, and then the fastening piece 1 can be disassembled.
If there is the part to damage, the staff can rotate connecting block 22 through the hexagonal spanner, makes sliding block 8 break away from threaded rod 6 and sliding tray 7, then pulls down positioning bolt 28 through the plum blossom bottle opener to can pull down bearing 24 and threaded rod 6, through dismantling a plurality of parts with fastener 1, can change the part of damage, it is comparatively convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The stainless steel fastener group capable of improving the positioning effect comprises a fastener (1) and a nut (12), and is characterized in that the fastener (1) is provided with a screwing end (2), a cylinder (3) and a threaded column (4), the screwing end (2) is fixed at the upper end of the cylinder (3), the threaded column (4) is fixed at the lower end of the cylinder (3), the screwing end (2), the cylinder (3) and the threaded column (4) are integrally formed through melting, a through groove (5) is formed in the center of the cylinder (3) and the threaded column (4) in a vertically penetrating mode, a threaded rod (6) is installed in the through groove (5), sliding grooves (7) communicated with the through groove (5) are formed in the two sides of the threaded column (4), a sliding block (8) is connected between the sliding grooves (7) in a sliding mode, a first threaded groove (13) is formed in the sliding block (8) in a penetrating mode, the threaded rod (6) penetrates through the first threaded groove (13) and is in threaded connection with the first threaded groove, the left end and the right end of the sliding block (8) are respectively provided with a limiting mechanism, the upper end of the twisting end (2) is provided with a mounting groove (9), the inner bottom of the mounting groove (9) is provided with a communicating groove (21) which is communicated with the through groove (5), the threaded rod (6) penetrates through the communicating groove (21) and is arranged, a rotating mechanism is arranged between the upper end of the threaded rod (6) and the mounting groove (9), the inner wall of the nut (12) is provided with an internal thread (10) matched with the threaded column (4), the inner wall of the upper end of the nut (12) is provided with a first arc-shaped surface (11), the limiting mechanism comprises a telescopic groove (14) arranged at the end part of the sliding block (8), a limiting block (18) is connected in the telescopic groove (14) in a sliding manner, and an elastic spring (15) is fixedly connected between the limiting block (18) and the inner wall of the telescopic groove (14), the limiting block (18) is provided with a second arc-shaped surface (20) at the lower part of one end, which is opposite to the elastic spring (15), and a pressing surface (19) is arranged on the surface, which is opposite to the elastic spring (15), of the limiting block (18).
2. The stainless steel fastener group capable of improving the positioning effect according to claim 1, wherein a limiting groove (17) is formed in one surface of the limiting block (18) close to the fixed elastic spring (15), a limiting rod (16) is slidably connected in the limiting groove (17), and the limiting rod (16) is fixedly connected with the inner wall of the telescopic groove (14).
3. The stainless steel fastener group capable of improving the positioning effect according to claim 1, wherein the rotating mechanism comprises a bearing (24) which is slidably connected in a mounting groove (9), two guide blocks (30) are fixedly connected to the outer wall of the bearing (24), two guide grooves (29) are formed in the mounting groove (9), the two guide blocks (30) respectively extend into the guide grooves (29) on the same side and are slidably connected with the same, a connecting block (22) is in interference fit in the bearing (24), the threaded rod (6) is fixedly connected with the bottom of the connecting block (22), a hexagonal wrench groove (23) is formed in the upper end of the connecting block (22), and a locking mechanism is arranged between the connecting block (22) and the bearing (24).
4. The stainless steel fastener group capable of improving the positioning effect according to claim 3, wherein two second threaded grooves (25) are formed in the side wall of the screwing end (2) in a penetrating manner, a connecting groove (26) communicated with the two second threaded grooves (25) is formed in the screwing end (2), the inner diameter of the connecting groove (26) is larger than that of the second threaded grooves (25), a positioning bolt (28) is commonly installed between the connecting groove (26) and the second threaded groove (25) on the same side, two clamping grooves (27) are formed in the outer wall of the bearing (24), the two positioning bolts (28) extend into the clamping grooves (27) on the same side, and a quincunx groove is formed in the opposite side of each positioning bolt (28).
5. The stainless steel fastener group capable of improving the positioning effect according to claim 4, wherein an end surface of the nut (12) opposite to the first arc-shaped surface (11) is provided with a plurality of anti-rotation grooves (31), and the plurality of anti-rotation grooves (31) are uniformly distributed on the end surface of the nut (12).
6. The stainless steel fastener group capable of improving the positioning effect according to claim 5, wherein the stopper (18) is matched with the anti-rotation groove (31) in shape, and the height of the stopper (18) is greater than the thickness of the anti-rotation groove (31).
7. The stainless steel fastener group capable of improving the positioning effect according to claim 3, wherein the locking mechanism comprises a ring-shaped rack plate (32) fixed on an outer ring of the bearing (24), a clamping rod (33) is arranged on an inner ring of the bearing (24), the clamping rod (33) is rotatably connected with the upper end of the bearing (24) through a torsion spring (34), the connecting block (22) is provided with a vertical groove (35) communicated with the hexagonal wrench groove (23), and the vertical groove (35) is positioned right below the clamping rod (33).
8. The stainless steel fastener group capable of improving the positioning effect according to claim 7, wherein the screwing end (2), the cylinder (3) and the threaded column (4) are made of stainless steel, and the screwing end (2) is in a hexagonal prism shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010309316.4A CN111623020B (en) | 2020-04-20 | 2020-04-20 | Stainless steel fastener capable of improving positioning effect |
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| CN202010309316.4A CN111623020B (en) | 2020-04-20 | 2020-04-20 | Stainless steel fastener capable of improving positioning effect |
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| CN111623020B true CN111623020B (en) | 2021-11-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112555260B (en) * | 2020-12-02 | 2023-12-29 | 靖江市飞天紧固件制造有限公司 | Bolt difficult to loosen and mounting method of bolt |
| CN112600338A (en) * | 2020-12-18 | 2021-04-02 | 浙江科宁电机有限公司 | Motor rotor capable of being tightly connected with motor end cover |
| CN113137420B (en) * | 2021-04-13 | 2022-08-02 | 沧州华煜铁路器材有限公司 | Self-locking fastening bolt |
| CN113374772A (en) * | 2021-05-26 | 2021-09-10 | 张鹏辉 | High-strength screw fastener |
| CN113530949B (en) * | 2021-08-27 | 2023-03-24 | 海盐卫士标准件有限公司 | High-temperature-resistant high-strength self-locking nut |
| CN115076490A (en) * | 2022-06-15 | 2022-09-20 | 武汉旭能环保科技有限公司 | Resistance balancing device of dust removal system |
| CN117052773B (en) * | 2023-10-10 | 2024-01-30 | 苏州森奇成型科技有限公司 | Locking self-locking fastening bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2546376B (en) * | 2016-01-13 | 2021-03-31 | Taplok Ltd | A device for resisting rotation of a tap |
| CN107676363A (en) * | 2017-10-30 | 2018-02-09 | 安徽凯瑞汽配制造有限公司 | A kind of bolt assembly |
| CN209510885U (en) * | 2018-11-09 | 2019-10-18 | 湖北理工学院 | A kind of loose-proof self-lock bolt of convenient disassembly |
| CN109519463B (en) * | 2018-11-14 | 2020-08-28 | 苏州剑派实业有限公司 | Self-locking bolt |
| CN210068713U (en) * | 2019-05-06 | 2020-02-14 | 贵州电网有限责任公司 | Screw structure for preventing nut from slipping |
| CN210318118U (en) * | 2019-08-01 | 2020-04-14 | 天津市可耐扣紧固件有限公司 | Locking leak protection screw sealing member for electric automobile |
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Effective date of registration: 20211116 Address after: 214500 No. 68, Xingang Avenue, Jingjiang City, Taizhou City, Jiangsu Province Applicant after: Jingjiang Feitian Fastener Manufacturing Co., Ltd Address before: 430072 Wuhan University, No. 299, Bayi Road, Wuchang District, Wuhan City, Hubei Province Applicant before: Ge Qingyun |
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