CN112879415A - Locking fastening components of jack-tooth formula - Google Patents
Locking fastening components of jack-tooth formula Download PDFInfo
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- CN112879415A CN112879415A CN202110248239.0A CN202110248239A CN112879415A CN 112879415 A CN112879415 A CN 112879415A CN 202110248239 A CN202110248239 A CN 202110248239A CN 112879415 A CN112879415 A CN 112879415A
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- nut
- tooth
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- groove
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- 239000013013 elastic material Substances 0.000 claims abstract description 13
- 210000003781 tooth socket Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 210000002421 cell wall Anatomy 0.000 description 4
- 235000000621 Bidens tripartita Nutrition 0.000 description 3
- 240000004082 Bidens tripartita Species 0.000 description 3
- 208000006637 fused teeth Diseases 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 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
- F16B39/22—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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- 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
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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
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
A tooth-type anti-loose fastening assembly belongs to the technical field of fastening pieces and comprises a screw, a nut and a tooth clamping seat, wherein a tooth groove is formed in the screw; a clamping seat groove is formed in the nut, a clamping tooth seat is installed in the clamping seat groove, the clamping tooth seat is formed by directly generating clamping teeth on a clamping seat sheet, and the clamping seat sheet is connected with the bottom of the clamping seat groove through elastic materials; the end face of the nut is drilled with a loading and unloading hole and is provided with a loading and unloading pin; when the nut is screwed in, the assembling and disassembling pin is taken out, so that the clamping teeth are sleeved in the tooth grooves, and the nut cannot be screwed out; this scheme simple structure, convenient operation can reach effectual locking effect.
Description
Technical Field
The invention belongs to the technical field of fasteners, and particularly relates to a latch type anti-loosening fastening assembly for preventing loosening caused by vibration.
Background
The common fasteners comprise a bolt and nut assembly, a stud and nut assembly, a screw and the like, wherein the nut is a polygonal cylinder provided with a central threaded hole, an inner thread is arranged on the inner annular wall of the central threaded hole and matched and screwed with an outer thread on the stud for fastening and connecting two or more fastened pieces with through holes.
The fastening of the nut and the bolt is generally relatively stable. However, if the fastened member is vibrated for a long time, the vibration frequency difference exists between the connecting members, so that each connecting member in the connecting structure can generate a certain displacement, the connection between the nut and the bolt becomes loose, and even falls off, and the stability and the safety of the operation of the connecting structure and even the whole device are affected. Taking the fastening screw and the nut on the train track as an example, when a train passes through the track at a certain speed, the fastening screw and the nut on the track can generate vibration with a certain frequency, so that the fastening screw and the nut can generate certain displacement, and the connection is loosened, therefore, on the old train track, a maintainer needs to overhaul regularly.
The current common mode for preventing the bolt from loosening is as follows: the double-nut pressing, the bolt and nut inserting key, the bolt and nut opening inserting metal rod, the iron wire winding looseness prevention, the bolt and nut clamping tooth meshing or direct gluing or welding and the like.
Therefore, the applicant applies for an invention patent with application number 2019108155520 in 2019, 8, 30, and discloses a combined scheme of a bolt, a nut, a positioning locking pin and a clamp spring; the bolt is provided with external threads on a screw rod, and the external threads are uniformly distributed with a plurality of longitudinal screw rod locking grooves in an annular shape; the inner ring wall of the inner layer of the nut is provided with internal threads, and the inner ring wall of the outer layer is dug to be provided with an annular clamp spring groove; a nut locking groove is vertically dug in the outer end face of the nut along the outer-layer inner ring wall and the inner-layer inner ring wall, the nut locking groove penetrates through the clamp spring groove and part of the internal threads, and the positioning locking pin comprises a pin column, a connecting rod and a loading and unloading handle which are sequentially connected; the clamp spring is a ring filter-shaped elastic clamping piece; the bolt and the nut are clamped and fixed in a space formed by the nut locking groove and the screw rod locking groove through the positioning locking pin through the mechanical connection of the screw assembly and the bolt and the nut, and are prevented from falling off by being clamped by the clamp spring, so that the bolt and the nut are never loosened; however, the structure of the scheme is complex, the use and operation are also complex, and the popularization and the implementation are inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fastening assembly which adopts a latch seat to clamp a nut and a screw to prevent loosening so as to improve fastening quality and achieve anti-loosening effect.
In order to solve the technical problem, the technical scheme adopted by the invention is that the clamping tooth type anti-loose fastening assembly comprises a screw rod, a nut and a clamping tooth seat, and is characterized in that external threads are arranged on the screw rod, and tooth grooves which are uniformly distributed in an annular shape are arranged on the external threads; an internal thread matched with the external thread is arranged on the inner ring wall of the nut, a clamping seat groove is further dug in the inner ring wall where the internal thread is located, and the clamping seat groove is dug in the non-edge position of the inner ring wall; the clamping tooth seat is composed of clamping teeth and a clamping seat piece, the clamping teeth are fixedly installed on the clamping seat piece or directly generated on the clamping seat piece to form the clamping tooth seat, and the size of the top end of the clamping teeth is matched with that of the tooth socket, so that the top end of the clamping teeth can be sleeved in the tooth socket; the clamping tooth seat is arranged in the clamping seat groove, and the clamping seat piece is connected with the bottom of the clamping seat groove through an elastic material; when the tooth groove is a vertical wall groove type tooth groove, the top end of the latch is a front inclined latch, that is, the side surface of the front side of the top end of the latch, which is close to the side where the nut is screwed, is an inclined surface or an arc surface inclined to the end surface of the top end, and the side surface of the rear side, which is far away from the side where the nut is screwed, is a vertical surface vertical to the end surface of the top end. Therefore, when the nut is screwed in the screw rod, the latch seat can move towards the inside of the latch seat groove after being extruded due to the action of the elastic material and the front inclined side surface of the top end position of the latch, so that the latch is separated from the tooth socket, and the nut is smoothly screwed in.
Work as when the latch is around perpendicular form latch, promptly during the equal perpendicular to top end face of side of both sides around the latch top position, the tooth's socket is back wall slope form tooth's socket, promptly keep away from in the tooth's socket with one side cell wall that the nut was screwed for the slope cell wall or the arc lateral wall that lean out in the tank bottom, be close to the perpendicular cell wall that is perpendicular to the tank bottom with one side cell wall that the nut was screwed.
The end surface of the nut is also drilled with a loading and unloading hole and is provided with a loading and unloading pin; the loading and unloading hole penetrates through the end face of one end of the nut and the groove wall, close to the end face, of the clamping seat groove; the assembling and disassembling pin is a short bar, and the cut-in end of the assembling and disassembling pin is a side surface with two inclined sides; when the nut screwing device is used, the assembling and disassembling pin penetrates through the assembling and disassembling hole and is inserted between the clamping seat piece and the screw rod, so that the clamping teeth are separated from the tooth grooves, the nut can be smoothly screwed out in the reverse direction, and the nut can be smoothly screwed in the forward direction.
When the latch is a front-back vertical latch and the tooth groove is a vertical wall groove-type tooth groove, a loading and unloading pin is required to be equipped; when the nut is screwed in or out, the assembling and disassembling pin needs to be inserted into the clamping seat groove, and after the nut is screwed in, the assembling and disassembling pin is taken out, so that the clamping teeth are sleeved in the tooth grooves, and the nut cannot be screwed in or screwed out.
The elastic material is a spring, a spring sheet or elastic rubber, and preferably the elastic rubber.
The bottom of the clamping seat groove can be arc-shaped, can also be flat and straight, and is preferably arc-shaped; correspondingly, the clamping seat piece can be in an arc surface shape, can also be in a straight surface shape, and is preferably in an arc surface shape.
The clamping seat groove on each nut can be dug to form one groove, two, three or more grooves can be dug to form two grooves, and preferably three clamping seat grooves are dug to form three grooves.
When the clamping seat grooves are multiple, each clamping seat groove is correspondingly drilled with a loading and unloading hole and is provided with an loading and unloading pin.
When each nut is provided with a plurality of assembling and disassembling pins, the assembling and disassembling pins can be fixedly and vertically arranged on the same circle or round cake, and the positions of the assembling and disassembling pins correspond to the positions of the assembling and disassembling holes on the clamping seat groove one by one to form the assembling and disassembling device.
Each of the latch seats can be a single-tooth latch seat provided with one latch, or can be provided with two, three or more latches, preferably a double-tooth latch seat provided with two latches.
When only one latch is arranged on the latch seat, the assembling and disassembling pin is a double-rod assembling and disassembling pin, namely an assembling and disassembling pin consisting of two parallel rods; when the nut is screwed out or screwed in, the double-rod assembling and disassembling pin is inserted between the clamping seat piece and the external thread of the screw rod in a clamping manner from two sides of the clamping tooth, so that the clamping tooth seat and the clamping tooth thereof are spread.
When the clamping tooth seat is provided with two clamping teeth, the assembling and disassembling pin is a single-rod assembling and disassembling pin; when the nut is screwed out or screwed in, the single-rod assembling and disassembling pin is inserted between the clamping seat piece and the external thread of the screw rod from the middle of the two clamping teeth, so that the clamping tooth seat and the clamping teeth thereof are spread.
The screw rod is an independent screw rod or a screw rod on a bolt or a screw rod fixed on other objects.
Compared with the prior art, the invention has the following beneficial effects.
The novel nut locking mechanism has the advantages that the tooth grooves are formed in the screw rod, the tooth clamping seats are formed in the nut, the clamping teeth are arranged on the tooth clamping seats, the tooth grooves and the matching structure of the clamping teeth can enable the nut to be screwed only and not to be unscrewed, the structure is simple, the operation is convenient, and the effective locking effect can be achieved.
The nut is provided with the assembling and disassembling hole and the assembling and disassembling pin, so that the nut can be unscrewed in a matching manner, and the maintenance is convenient.
And the teeth are sleeved in the tooth grooves by the clamping teeth, so that the threads are not damaged.
Drawings
Fig. 1 is a schematic structural view of the nut of the present invention when screwed into the screw.
FIG. 2 is a schematic view of the structure of the screw of the present invention.
FIG. 3 is a schematic structural view of the nut of the present invention after being cut at the position of the socket groove.
Fig. 4 is a schematic structural view of the double-tooth bayonet holder of the present invention.
FIG. 5 is a schematic view of the latch base of the present invention installed in the slot of the latch base.
FIG. 6 is a schematic view of the construction of the present invention with a single bar loading and unloading pin.
FIG. 7 is a schematic view of the construction of the present invention with a dual lever loading pin.
Fig. 8 is a schematic structural view of the single-tooth latch base of the present invention.
Fig. 9 is a schematic view showing the overall structure of the nut with the mounting/dismounting device.
Fig. 10 is a schematic view showing the overall structure of the latch type anti-loose fastening assembly with a loading and unloading device.
Fig. 11 is a schematic view showing a structure in which the tooth grooves are vertical-wall groove-type tooth grooves and the tips of the latch teeth are front-side inclined latch teeth in embodiment 1.
Fig. 12 is a schematic structural view of an embodiment 2 in which the latch is a front-rear vertical latch and the tooth groove is a rear-wall inclined tooth groove.
FIG. 13 is a schematic view showing a structure in which the latch of embodiment 7 is a front-rear vertical latch, and the slot is a vertical-wall slot type slot equipped with a loading/unloading pin.
In the figure: 1. the bolt comprises a screw, 2, a nut, 3, a latch seat, 4, tooth grooves, 5, a latch seat groove, 6, latches, 7, a latch seat sheet, 8, an elastic material, 9, vertical wall groove-shaped tooth grooves, 10, front side inclined latch, 11, front and rear vertical latch, 12, rear wall inclined tooth grooves, 13, a loading and unloading hole, 14, a loading and unloading pin, 15, a loading and unloading device, 16, a double-rod loading and unloading pin and 17, a single-rod loading and unloading pin.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to illustrate the invention but not to limit it further, and should not be construed as limiting the scope of the invention.
Example 1.
As shown in the figure, the clamping-tooth type anti-loose fastening assembly is manufactured and comprises a screw rod 1, a nut 2 and a clamping-tooth seat 3, wherein external threads are arranged on the screw rod 1, and tooth grooves 4 which are uniformly distributed in an annular shape are formed in the external threads; an internal thread matched with the external thread is arranged on the inner ring wall of the nut 2, a clamping seat groove 5 is further dug in the inner ring wall where the internal thread is located, and the clamping seat groove 5 is dug in the non-edge position of the inner ring wall; the bayonet tooth seat 3 is composed of a bayonet tooth 6 and a bayonet seat piece 7, the bayonet tooth 6 is fixedly installed or directly generated on the bayonet seat piece 7 to form the bayonet tooth seat 3, and the size of the top end of the bayonet tooth 6 is matched with that of the tooth socket 4, so that the top end of the bayonet tooth 6 can be sleeved in the tooth socket 4; the bayonet tooth holder 3 is arranged in the holder groove 5, and the holder sheet 7 is connected with the bottom of the holder groove 5 through an elastic material 8; as shown in fig. 11, when the tooth grooves 4 are vertical groove-shaped tooth grooves 9, the tips of the teeth 6 are front-side inclined teeth 10, that is, the front side surface of the tip position of the teeth 6, that is, the side surface close to the side where the nut is fastened, is an inclined surface or an arc surface inclined with respect to the tip end surface, and the rear side surface, that is, the side surface far from the side where the nut is fastened, is a vertical surface perpendicular to the tip end surface. Thus, when the nut 2 is screwed in the screw rod 1, the latch seat 3 can move towards the inside of the latch seat groove 5 after being extruded due to the effect of the front inclined side surface of the top end position of the elastic material 8 and the latch 6, so that the latch 6 is separated from the tooth groove 4, and the nut 2 can be smoothly screwed in, and when the nut 2 is reversely screwed out, the latch seat 3 can move towards the outside of the latch seat groove 5 after being extruded due to the effect of the vertical side surface at the rear end position of the top end position of the latch 6 combined with the elastic material, so that the latch 6 is sleeved in the tooth groove 4 and cannot be separated, and the nut 2 cannot be screwed out.
Example 2.
As shown in fig. 12, in addition to embodiment 1, in place of the structure of the latch 6 and the tooth groove 4, when the latch 6 is a front-rear vertical latch 11, that is, when the front and rear side surfaces of the top end position of the latch 6 are perpendicular to the top end surface, the tooth groove 4 is a rear-wall inclined tooth groove 12, that is, the groove wall of the tooth groove 4 on the side far away from the nut to be screwed is an inclined groove wall or an arc-shaped side wall inclined outward from the groove bottom, and the groove wall on the side near to the nut to be screwed is a vertical groove wall perpendicular to the groove bottom.
Thus, when the nut 2 is screwed into the screw 1, the latch base 3 can move towards the inside of the latch base groove 5 after being extruded due to the elastic material 8 and the inclined side wall of the rear wall in the rear wall inclined tooth groove 12, so that the latch 6 is separated from the tooth groove 4, and the nut 2 can be smoothly screwed in, and when the nut 2 is unscrewed, the latch base 3 can move towards the outside of the latch base groove 5 after being extruded due to the effect of the vertical groove wall combined with the elastic material in the front wall in the rear wall inclined tooth groove 12, so that the latch 6 is sleeved in the tooth groove 4 and cannot be separated, and the nut 2 cannot be screwed out.
Example 3.
As shown in the figure, in addition to embodiment 1 or embodiment 2, an attachment/detachment hole 13 is drilled in an end surface of the nut 2, and an attachment/detachment pin 14 is provided; the loading and unloading hole 13 penetrates through the end face of one end of the nut 2 and the groove wall of the clamping seat groove 5 close to the end face, can be dug along the inner thread surface of the inner ring wall of the nut 2, becomes a loading and unloading hole without a side wall at the inner side position, and can also be directly dug on the end face to form a loading and unloading hole with a complete side wall without damaging the inner thread; the assembling and disassembling pin 14 is a short bar, and the cutting end of the assembling and disassembling pin 14 is a side surface with two inclined sides, so that the assembling and disassembling pin is convenient to insert; when the nut screwing device is used, the assembling and disassembling pin 14 is inserted between the clamping seat piece 7 and the external thread of the screw rod 1, so that the clamping tooth 6 is separated from the tooth groove 4, the nut 2 can be smoothly screwed out in the reverse direction, and the nut 2 can be smoothly screwed in the forward direction.
The elastic material 8 can be a spring, an elastic sheet or elastic rubber, and the elastic rubber is adopted in the embodiment, can elastically stretch and contract, and can adhere the clamping seat piece 7 to the bottom of the clamping seat groove 5, so that the clamping tooth seat 3 cannot fall off in the clamping seat groove 5.
The bottom of the card seat groove 5 can be cambered surface-shaped or flat surface-shaped, and the cambered surface-shaped groove bottom is adopted in the embodiment; correspondingly, the holder piece 7 may be arc-shaped or flat, and the arc-shaped holder piece 7 is adopted in the present embodiment.
The retainer groove 5 on the nut 2 may be dug to be one, or may be dug to be two, three or more, and in this embodiment, three retainer grooves 5 are dug in each nut 2.
When there are a plurality of the cartridge slots 5, each cartridge slot 5 is correspondingly drilled with an assembling and disassembling hole 13 and is provided with an assembling and disassembling pin 14.
The screw 1 may be an independent screw, a screw on a bolt, or a screw fixed on another object, and in this embodiment, a screw on a bolt is used.
Example 4.
As shown in fig. 6 and 7, when a plurality of attaching/detaching pins 14 are provided for each nut 2, the attaching/detaching tool 15 is configured by fixedly and vertically mounting the plurality of attaching/detaching pins 14 on the same ring and by making the positions of the attaching/detaching pins 14 correspond to the positions of the attaching/detaching holes 13 in the cartridge slot 5 one by one.
Example 5.
As shown in fig. 7 and 8, the latch holder 3 is a single-tooth latch holder provided with a single latch 6; the assembling and disassembling pin 14 is matched to be a double-rod assembling and disassembling pin 16, and the double-rod assembling and disassembling pin 16 is the assembling and disassembling pin 14 consisting of two parallel rods; when the nut 2 is screwed out or in, the double-rod assembling and disassembling pin 16 is inserted between the clamping seat piece 7 and the external thread of the screw rod 1 in a clamping way from the two sides of the clamping tooth 6, so that the clamping tooth seat 3 and the clamping tooth 6 thereof are expanded, and the nut can be smoothly and reversely screwed out.
Example 6.
As shown in fig. 4 and 6, the latch holder 3 is a double-tooth latch holder provided with two latches 6; the assembling and disassembling pin 14 is a single-rod assembling and disassembling pin 17; thus, when the nut 2 is screwed out or screwed in, the single-rod assembling and disassembling pin 17 is inserted between the clamping seat piece 7 and the external thread of the screw rod 1 from the middle of the two clamping teeth 6, so that the clamping tooth seat 3 and the clamping teeth 6 thereof are expanded, and the nut can be smoothly and reversely screwed out.
Example 7.
As shown in fig. 9, 10 and 13, on the basis of the above embodiments, when the latch 6 is a front and rear vertical latch 11 and the slot 4 is a vertical wall groove type slot 9, a loading and unloading pin 14 is also required; when the nut 2 is screwed in or out, the assembling and disassembling pin 14 or the integral assembling and disassembling device 15 is required to be inserted between the assembling and disassembling hole 13 and the external thread of the clamping seat piece 7 in the clamping seat groove 5 and the screw rod 1, and after the nut 2 is screwed in, the assembling and disassembling pin 14 or the integral assembling and disassembling device 15 is taken out, so that the nut 2 cannot be screwed in or screwed out, and the anti-loosening effect is realized.
Claims (10)
1. A clamping tooth type anti-loose fastening assembly comprises a screw, a nut and a clamping tooth seat, and is characterized in that external threads are arranged on the screw, and tooth grooves which are uniformly distributed in an annular shape are formed in the external threads; an internal thread matched with the external thread is arranged on the inner ring wall of the nut, a clamping seat groove is further dug in the inner ring wall where the internal thread is located, and the clamping seat groove is dug in the non-edge position of the inner ring wall; the clamping tooth seat is composed of clamping teeth and a clamping seat piece, the clamping teeth are fixedly installed on the clamping seat piece or directly generated on the clamping seat piece to form the clamping tooth seat, and the size of the top end of each clamping tooth is matched with the size of the tooth socket; the clamping tooth seat is arranged in the clamping seat groove, and the clamping seat piece is connected with the bottom of the clamping seat groove through an elastic material; when the tooth groove is a vertical wall groove type tooth groove, the top end of the latch is a front inclined latch, that is, the side surface of the front side of the top end of the latch, which is close to the side where the nut is screwed, is an inclined surface or an arc surface inclined to the end surface of the top end, and the side surface of the rear side, which is far away from the side where the nut is screwed, is a vertical surface vertical to the end surface of the top end.
2. The anti-loose fastener assembly of claim 1, wherein when the latch is a front-back vertical latch, i.e. the front and back sides of the top end of the latch are perpendicular to the top end, the tooth space is a back-wall inclined tooth space, i.e. the side wall of the tooth space away from the nut to be screwed is an inclined or curved side wall inclined outward from the bottom of the slot, and the side wall of the tooth space close to the nut to be screwed is a vertical wall perpendicular to the bottom of the slot.
3. The latch type anti-loose fastening assembly according to claim 2, wherein the nut is further drilled with an assembling and disassembling hole on the end surface and provided with an assembling and disassembling pin; the loading and unloading hole penetrates through the end face of one end of the nut and the groove wall, close to the end face, of the clamping seat groove; the assembling and disassembling pin is a short bar.
4. The latch type loose-proof fastening assembly as claimed in claim 3, wherein when the latch is a front and rear vertical latch and the tooth groove is a vertical wall groove type tooth groove, a loading and unloading pin is provided; when the nut is screwed in or out, the assembling and disassembling pin needs to be inserted into the clamping seat groove, and after the nut is screwed in, the assembling and disassembling pin is taken out.
5. A latch type anti-loose fastening assembly according to claim 4, characterized in that the elastic material is a spring or an elastic rubber, preferably an elastic rubber.
6. The latch type anti-loose fastening assembly according to claim 5, wherein the bottom of the cartridge slot is arc-shaped or flat, preferably arc-shaped; correspondingly, the card seat sheet is arc-shaped or flat, preferably arc-shaped.
7. The latch type anti-loose fastener assembly according to claim 6, wherein each nut is hollowed with one or more of said cartridge slots, preferably three cartridge slots.
8. The latch type loose-proof fastening assembly as claimed in claim 7, wherein when a plurality of loading pins are provided on each nut, the loading pins are vertically fixed on the same circle or disk, and the loading pins are positioned in one-to-one correspondence with the loading holes of the socket slots to form the loading/unloading device.
9. The latch type anti-loose fastener assembly according to claim 8, wherein when only one latch is provided on the latch base, the loading pin is a dual-bar loading pin.
10. The latch type anti-loose fastening assembly according to claim 9, wherein when two latches are provided on the latch base, the loading pin is a single-bar loading pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110248239.0A CN112879415A (en) | 2021-03-07 | 2021-03-07 | Locking fastening components of jack-tooth formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110248239.0A CN112879415A (en) | 2021-03-07 | 2021-03-07 | Locking fastening components of jack-tooth formula |
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| CN112879415A true CN112879415A (en) | 2021-06-01 |
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| CN202110248239.0A Pending CN112879415A (en) | 2021-03-07 | 2021-03-07 | Locking fastening components of jack-tooth formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2372888A (en) * | 1944-04-20 | 1945-04-03 | Duggan James Edward | Nut structure |
| EP0041141A1 (en) * | 1980-06-02 | 1981-12-09 | BASF Aktiengesellschaft | Process for producing homo- and copolymers of alpha-monoolefins with a Ziegler-Natta catalyst |
| CN2699038Y (en) * | 2004-04-01 | 2005-05-11 | 谢文林 | Locknut |
| US20090208309A1 (en) * | 2008-02-15 | 2009-08-20 | Bryan Engelbrecht | Non-Reversible Fastener |
| CN205117959U (en) * | 2015-09-29 | 2016-03-30 | 玉环胜友工具有限公司 | A location structure for mechanical fastening mechanism |
| CN107208686A (en) * | 2014-11-19 | 2017-09-26 | 艾伯特·泰摩 | Keep the threaded fastener stepped up |
| CN110469575A (en) * | 2019-08-30 | 2019-11-19 | 刘启超 | A kind of screw assembly of never becoming loose |
| CN211117064U (en) * | 2019-11-29 | 2020-07-28 | 刘启超 | Clamping ring type anti-loose fastening assembly |
| CN112032178A (en) * | 2020-08-25 | 2020-12-04 | 马文武 | Anti-loose bolt and nut |
-
2021
- 2021-03-07 CN CN202110248239.0A patent/CN112879415A/en active Pending
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| US2372888A (en) * | 1944-04-20 | 1945-04-03 | Duggan James Edward | Nut structure |
| EP0041141A1 (en) * | 1980-06-02 | 1981-12-09 | BASF Aktiengesellschaft | Process for producing homo- and copolymers of alpha-monoolefins with a Ziegler-Natta catalyst |
| CN2699038Y (en) * | 2004-04-01 | 2005-05-11 | 谢文林 | Locknut |
| US20090208309A1 (en) * | 2008-02-15 | 2009-08-20 | Bryan Engelbrecht | Non-Reversible Fastener |
| CN107208686A (en) * | 2014-11-19 | 2017-09-26 | 艾伯特·泰摩 | Keep the threaded fastener stepped up |
| CN205117959U (en) * | 2015-09-29 | 2016-03-30 | 玉环胜友工具有限公司 | A location structure for mechanical fastening mechanism |
| CN110469575A (en) * | 2019-08-30 | 2019-11-19 | 刘启超 | A kind of screw assembly of never becoming loose |
| CN211117064U (en) * | 2019-11-29 | 2020-07-28 | 刘启超 | Clamping ring type anti-loose fastening assembly |
| CN112032178A (en) * | 2020-08-25 | 2020-12-04 | 马文武 | Anti-loose bolt and nut |
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Application publication date: 20210601 |