CN117515007B - High-strength anti-falling fastener - Google Patents
High-strength anti-falling fastener Download PDFInfo
- Publication number
- CN117515007B CN117515007B CN202410019561.XA CN202410019561A CN117515007B CN 117515007 B CN117515007 B CN 117515007B CN 202410019561 A CN202410019561 A CN 202410019561A CN 117515007 B CN117515007 B CN 117515007B
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- China
- Prior art keywords
- bolt
- bolt body
- guide rod
- bolt head
- abutting
- Prior art date
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 9
- 230000001112 coagulating effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 15
- 238000011084 recovery Methods 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
-
- 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
-
- 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
- F16B35/06—Specially-shaped heads
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a high-strength anti-drop fastener which comprises a bolt head, a bolt body arranged on one side of the bolt head and threads arranged on the bolt body, wherein the bolt body is provided with a plurality of bolts; the bolt is characterized in that an abutting piece is arranged on the bolt body, a driving mechanism for driving the abutting piece to move is arranged on the bolt head, one end of the abutting piece protrudes out of the side wall of the bolt body, the driving mechanism is matched with a spanner, and the driving mechanism is configured to drive the abutting piece to move when the spanner screws the bolt head. This high strength anti-drop fastener sets up on the bolt body through the conflict piece that sets up, and conflict piece comprises side direction conflict mechanism and vertical conflict mechanism, and actuating mechanism drive side direction conflict mechanism and the one end recovery of vertical conflict mechanism are hidden when the spanner revolves the screwed bolt body, and the one end of taking off spanner back side direction conflict mechanism and vertical conflict mechanism is automatic outwards popped out when revolving to twist, and then the part that pops out and the inner wall butt of the screw hole of installation department have increased the steadiness between bolt body and the installation department screw hole.
Description
Technical Field
The invention relates to the field of fasteners, in particular to a high-strength anti-falling fastener.
Background
The bolt in the fastener is the most widely used fastener at present, and it generally includes bolt head, the bolt body, and is provided with the screw thread on the bolt body, and the bolt head is twisted through instruments such as spanner in the time of installing and use and is screwed for screw thread on the bolt body and the internal thread cooperation of installation department realize fastening, can appear the loosening of bolt because of long-term vibration when the bolt is installed in the position of regular motion or producing vibration, and then probably can cause serious result, and current majority bolt does not possess secondary locking function, and anti-drop effect is relatively poor.
Therefore, it is necessary to provide a high strength anti-drop fastener to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a high-strength anti-falling fastener which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the high-strength anti-falling fastener comprises a bolt head, a bolt body arranged on one side of the bolt head and threads arranged on the bolt body;
The bolt is characterized in that an abutting piece is arranged on the bolt body, a driving mechanism for driving the abutting piece to move is arranged on the bolt head, one end of the abutting piece protrudes out of the side wall of the bolt body, the driving mechanism is matched with a wrench, and is configured to drive the abutting piece to move when the wrench screws the bolt head, so that the abutting piece protrudes out of one end of the side wall of the bolt body to be recovered and hidden, and one end of the abutting piece pops up after the wrench is loosened; the abutting piece comprises a lateral abutting mechanism and a longitudinal abutting mechanism;
The inner side of the bolt body is provided with a cavity, and the longitudinal abutting mechanism comprises a center column movably connected to the inner side of the cavity;
the lateral collision mechanisms are arranged on the side face of the central column, at least two groups of lateral collision mechanisms are arranged, multiple groups of lateral collision mechanisms are uniformly distributed along the circumferential direction of the central column, the number of each group of lateral collision mechanisms is at least three, and multiple lateral collision mechanisms of each group of lateral collision mechanisms are uniformly distributed along the height direction of the central column;
the lateral collision mechanism comprises a connecting arm fixedly connected to the side wall of the central column, the connecting arm is perpendicular to the side wall of the central column, one end of the connecting arm, far away from the central column, is provided with a guide rod, the guide rod is inclined, the distance from the upper end of the guide rod to the central column is greater than that from the lower end to the central column, a sliding block is movably connected to the guide rod, one side, far away from the central column, of the sliding block is fixedly connected with a supporting rod, and one end, far away from the sliding block, of the supporting rod extends to the outer side of the bolt body.
Preferably, the slide block is provided with an inclined hole with inclination matched with the guide rod, and the slide block is movably connected to the outer side of the guide rod through the inclined hole.
Preferably, the bottom of the central column extends to the bottom of the bolt body.
Preferably, a mounting groove is formed in the bottom of the bolt head, and the driving mechanism is arranged in the mounting groove.
Preferably, the driving mechanism comprises a first through hole arranged on the side surface of the bolt head, the first through holes are respectively positioned on a plurality of side edges of the bolt head, a convex body is movably connected to the inner side of the first through hole, one side of the convex body is an arc surface, the arc surface protrudes out of the side surface of the bolt head and is in interference fit with a wrench, one end of the convex body, which faces the inner side of the bolt head, is fixedly connected with a guide rod, one end of the guide rod, which faces the convex body, is fixedly connected with a second matching body, the upper end of the center column extends to the inner cavity of the mounting groove, the side wall of the upper end of the center column is fixedly connected with a first matching body corresponding to the second matching body one to one, a guide column is fixedly connected to the top of the inner cavity of the mounting groove, a first vertical hole corresponding to and adapting to the guide column is arranged at the top of the center column, and a spring is arranged at the lower end of the inner cavity of the first vertical hole, and the lower end of the guide column is movably connected to the inner cavity of the first vertical hole.
Preferably, opposite sides of the second mating body and the first mating body are mutually matched inclined planes.
Preferably, a first connecting rod is fixedly connected to the corresponding position of the top of the inner cavity of the mounting groove and the guide rod, a guide ring corresponding to the guide rod is fixedly connected to the bottom of the first connecting rod, and the guide ring is movably connected to the outer side of the guide rod.
Preferably, a bottom plate is fixed at the bottom of the inner cavity of the mounting groove, second through holes which correspond to and are matched with the central column are formed in the top of the bolt body and the middle of the bottom plate, and the central column extends to the inner side of the mounting groove through the second through holes;
the bottom ring is fixed at the bottom of the cavity, and the lower end of the center column is movably connected to the inner side of the bottom ring.
Preferably, a storage shell is arranged at one end of the abutting rod far away from the sliding block, the inner side of the storage shell is stored with the solidification liquid, one side of the storage shell far away from the abutting rod is opened, and a sealing sheet is arranged at the opening;
One end fixedly connected with one side in the seal lamella outside is the sloping block on inclined plane, and the other end is fixed with the second connecting rod, the one end that seal lamella was kept away from to the second connecting rod corresponds with the inclined plane of sloping block, and the one end that seal lamella was kept away from to the second connecting rod is provided with the spheroid that corresponds with the sloping block, and the one end protrusion that seal lamella was kept away from in the sloping block in the spheroid one side that seal lamella was kept away from to the spheroid, one side that the spheroid is close to the second connecting rod is provided with the arch, and protruding swing joint is inboard in the tip of second connecting rod, and is provided with extension spring between the inner wall of arch and second connecting rod.
Compared with the prior art, the invention provides the high-strength anti-drop fastener, which has the following beneficial effects:
1. This high strength anti-drop fastener, the conflict piece through setting up sets up on the bolt body, and conflict piece comprises side direction conflict mechanism and vertical conflict mechanism, the side direction is contradicted mechanism and the one end of vertical conflict mechanism all is protruding in the lateral wall of the bolt body in the beginning, be provided with on the bolt head in spanner complex actuating mechanism, actuating mechanism drives side direction conflict mechanism and vertical conflict mechanism's one end recovery when the spanner revolves the bolt body and hides, it is automatic outwards popped out to take off spanner back side direction conflict mechanism and vertical conflict mechanism's one end after the end is twisted soon, and then the part that pops up and the inner wall butt of the screw hole of installation department have increased the steadiness between bolt body and the installation department screw hole, the not hard up and have fallen, the security has been increased, and convenient operation need not extra operation, normal screwing and take off can realize.
2. This high strength anti-drop fastener is used for storing the coagulating liquid through the storage shell that sets up, and sealing flake is used for sealing the opening of storage shell, and cooperation second connecting rod, extension spring, sloping block, spheroidal setting can be when this fastener appears not hard up gyration with sealing flake crowded broken, and then realizes the outflow of coagulating liquid to condense the fastening department, further avoided the breaking away of this fastener.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 1;
FIG. 4 is a schematic view of the longitudinal cross-sectional structure of the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 4;
FIG. 6 is an enlarged view of FIG. 4 at C in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the center post of the present invention;
FIG. 8 is a schematic view of an exploded construction of the drive mechanism of the present invention;
FIG. 9 is a schematic view of another view of the structure of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of an exploded construction of the upper end portion of the center pillar of the present invention;
FIG. 11 is a schematic view of a side-to-side interference mechanism of the present invention;
FIG. 12 is a schematic cross-sectional view of a lateral interference mechanism of the present invention;
Fig. 13 is a schematic top sectional view of the end of the abutment bar of the present invention.
In the figure: 1. a bolt head; 2. a bolt body; 3. a convex body; 4. a bottom plate; 5. a bottom ring; 6. a storage case; 7. a butt joint rod; 9. a center column; 10. a cavity; 11. a guide ring; 12. a guide column; 13. a first vertical hole; 14. a spring; 15. a first mating body; 16. a thread; 17. a second mating body; 18. a sealing sheet; 19. a guide rod; 20. a first connecting rod; 21. a coagulating liquid; 22. a sloping block; 23. a connecting arm; 24. a guide rod; 25. a slide block; 26. a first through hole; 27. a second through hole; 28. a mounting groove; 29. a sphere; 30. inclined holes; 31. a second connecting rod; 32. and (5) stretching the spring.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Examples
As shown in fig. 1 to 13, in the present embodiment, the high-strength anti-falling fastener includes a bolt head 1, a bolt body 2 provided at one side of the bolt head 1, and a thread 16 provided on the bolt body 2;
Further, unlike the prior art, the bolt body 2 is provided with a pushing piece for increasing stability, the bolt head 1 is provided with a driving mechanism for driving the pushing piece to move, one end of the pushing piece protrudes out of the side wall of the bolt body 2, the driving mechanism is matched with a wrench, and when the wrench screws the bolt head 1, the driving mechanism drives the pushing piece to move, the pushing piece protrudes out of one end of the side wall of the bolt body 2 to be recovered and hidden, and one end of the pushing piece pops out after the wrench is loosened;
further, the conflict piece includes side direction conflict mechanism and vertical conflict mechanism, and side direction conflict mechanism is used for closely conflicting with the lateral wall of installation department screw hole inner chamber, and vertical conflict mechanism is used for contradicting with the bottom of installation department screw hole inner chamber.
Further, a cavity 10 is arranged on the inner side of the bolt body 2, the longitudinal abutting mechanism comprises a center column 9 movably connected to the inner side of the cavity 10, and the bottom of the center column 9 extends to the bottom of the bolt body 2;
Further, the lateral collision mechanisms are arranged on the side face of the central column 9, at least two groups of lateral collision mechanisms are arranged, a plurality of groups of lateral collision mechanisms are uniformly distributed along the circumferential direction of the central column 9, the number of each group of lateral collision mechanisms is at least three, a plurality of lateral collision mechanisms of each group are uniformly distributed along the height direction of the central column 9, the bottom of the bolt head 1 is provided with a mounting groove 28, and the driving mechanism is arranged in the mounting groove 28;
As a preferred embodiment, the lateral abutting mechanism comprises a connecting arm 23 fixedly connected to the side wall of the center column 9, the connecting arm 23 is perpendicular to the side wall of the center column 9, one end of the connecting arm 23 far away from the center column 9 is provided with a guide rod 24, the guide rod 24 is obliquely arranged, the distance between the upper end of the guide rod 24 and the center column 9 is larger than that between the lower end of the guide rod 24 and the center column 9, a sliding block 25 is movably connected to the guide rod 24, an inclined hole 30 with the inclination matched with the guide rod 24 is formed in the sliding block 25, the sliding block 25 is movably connected to the outer side of the guide rod 24 through the inclined hole 30, one side of the sliding block 25 far away from the center column 9 is fixedly connected with a supporting rod 7, and one end of the supporting rod 7 far away from the sliding block 25 extends to the outer side of the bolt body 2;
As a preferred embodiment, actuating mechanism is including setting up in the first through-hole 26 of bolt head 1 side, first through-hole 26 is located a plurality of sides of bolt head 1 respectively, the inboard swing joint of first through-hole 26 has convex body 3, convex body 3 is the hemisphere preferably, therefore one side of convex body 3 is the arcwall face, and the arcwall face protrusion in the side of bolt head 1, and convex arcwall face and spanner interference fit, the one end fixedly connected with guide bar 19 of convex body 3 orientation bolt head 1 inboard, the one end fixedly connected with second complex 17 of guide bar 19 keeping away from convex body 3, the upper end of center post 9 extends to the inner chamber of mounting groove 28, and the upper end lateral wall fixedly connected with of center post 9 and the first complex 15 of second complex 17 one-to-one, the opposite side of second complex 17 and first complex 15 is the inclined plane of mutually supporting, the two cooperates through the inclined plane, the top fixedly connected with guide post 12 of mounting groove 28 inner chamber, the top of center post 9 is provided with the first vertical hole 13 with the guide post 12 corresponding and adaptation, the inner chamber of first vertical hole 13 is provided with the inner chamber of guide post 12, the lower end 14 of first vertical hole 13 is provided with the spring 12, the vertical hole 12 is the relative vertical hole 13 has been prevented from taking place, the relative vertical post shape has increased, the vertical post 12 is the relative vertical post is connected with the vertical post 12.
Further, a first connecting rod 20 is fixedly connected to the corresponding position between the top of the inner cavity of the mounting groove 28 and the guide rod 19, a guide ring 11 corresponding to the guide rod 19 is fixedly connected to the bottom of the first connecting rod 20, and the guide ring 11 is movably connected to the outer side of the guide rod 19, so that the stability of the guide rod 19 in displacement can be improved;
In addition, in order to further prevent the fastener from loosening and turning, a storage shell 6 is arranged at one end of the abutting rod 7 far away from the sliding block 25, a coagulating liquid 21 is stored in the inner side of the storage shell 6, the coagulating liquid 21 consists of vinyl resin, quartz particles and a curing agent, one side of the storage shell 6 far away from the abutting rod 7 is opened, and a sealing sheet 18 is arranged at the opening;
In order to realize automatic breakage of the sealing sheet 18, an inclined block 22 with one inclined surface is fixedly connected to one end of the outer side of the sealing sheet 18, a second connecting rod 31 is fixedly arranged at the other end of the sealing sheet, one end of the second connecting rod 31 away from the sealing sheet 18 corresponds to the inclined surface of the inclined block 22, one end of the second connecting rod 31 away from the sealing sheet 18 is provided with a sphere 29 corresponding to the inclined block 22, one end of the sphere 29 away from the sealing sheet 18 protrudes out of one side of the inclined block 22 away from the sealing sheet 18, one side of the sphere 29 close to the second connecting rod 31 is provided with a bulge, the bulge is movably connected to the inner side of the end part of the second connecting rod 31, and a tension spring 32 is arranged between the bulge and the inner wall of the second connecting rod 31;
In order to facilitate the fixation of the bolt body 2 and the bolt head 1, a bottom plate 4 is fixed at the bottom of the inner cavity of the mounting groove 28, the bottom plate 4 is welded and fixed with the inner wall of the bolt body 2, the top of the bolt body 2 is welded and fixed with the bottom of the bottom plate 4, the top of the bolt body 2 and the middle part of the bottom plate 4 are respectively provided with a second through hole 27 which corresponds to and is matched with the central column 9, and the central column 9 extends to the inner side of the mounting groove 28 through the second through holes 27.
In addition, the bottom ring 5 is fixed at the bottom of the inner cavity of the cavity 10, the bottom ring 5 is welded and fixed with the inner wall of the cavity 10, the lower end of the center column 9 is movably connected with the inner side of the bottom ring 5, and the stability of the center column 9 can be further improved.
The working principle is that when the bolt is in use, one end of the abutting rod 7 protrudes out of the side wall of the bolt body 2 in an initial state, the lower end of the center post 9 protrudes out of the bottom of the bolt body 2, the end part of the bolt body 2 is inserted into a threaded hole needing to be fastened, then one end of the wrench is arranged outside the bolt head 1, two opposite side walls of the bolt head 1 are matched with the inner wall of the wrench, so that the convex body 3 is subjected to inward displacement by the pressure of the wrench, the second matching body 17 is driven by the guide rod 19 to inward displacement by the convex body 3, the second matching body 17 is matched with the first matching body 15 in an inclined plane, the second matching body 17 drives the center post 9 to upward displacement by the first matching body 15, and the acting spring 14 of the guide post 12 is compressed to generate reverse acting force, the convex body 3 is subjected to thrust of the second matching body 17, and then the convex body 3 has acting force acting on the bolt head 1, so that the stability between the bolt head 1 and the wrench is increased, the possibility that the wrench is in the screwing process and the bolt head 1 is generated, the convex body 9 is displaced upward, and simultaneously the second matching body 17 is driven by the guide rod 24 to be displaced upward by the guide rod, the guide rod 2 is driven by the guide rod 9 to be not to be displaced downward by the slider, and the slider 7 is not normally displaced by the slider 2, and the slider is driven by the slider 2 to rotate, and the slider 2 is not normally displaced by the slider 2, and the slider is driven by the slider 2 to be displaced downward by the slider 2, which is not normally to rotate the side 7, and the slider is driven by the slider 2;
When the wrench is taken down after screwing, the spring 14 is reset at the moment, the central column 9 drives the first matching body 15 to downwards displace and reset, the second matching body 17 drives the convex body 3 to reset, the guide rod 24 downwards displaces and drives the sliding block 25 to displace away from the central axis of the bolt body 2, and then the sliding block 25 drives the abutting rod 7 to displace, one end of the abutting rod 7 away from the sliding block 25 is contacted with the inner cavity side of the threaded hole at the installation site and is abutted against by the ball 29, due to the reverse acting force of the spring 14, the ball 29 can be tightly abutted against the inner cavity side of the threaded hole at the installation site, the friction force is increased, if loose rotation occurs, the ball 29 plays a locking role under the combined action of the inclined block 22 and the inner wall of the threaded hole at the installation site, if external force continues to enable the fastener to reversely rotate, the ball 29 can squeeze the sealing sheet 18 through the inclined block 22, then the coagulating liquid 21 flows out, and then the gap at the installation site is quickly coagulated, the gap at the installation site is further, the rotational looseness is avoided, the sealing sheet 18 is actively reversely rotated after the fastening fastener is fastened, the sealing sheet 18 is broken, the coagulating liquid 21 flows out, and in addition, the situation that the sealing sheet is not reversely rotates with the inclined surface 29 is only in contact with the inner wall of the threaded hole when the ball is reversely rotated, and the sealing sheet 18 is only caused by the fact that the sealing sheet is in the situation is not contacted with the opposite rotation when the sealing sheet is caused by the opposite rotation;
in addition, the bottom of the center column 9 can be contacted with the bottom of the inner cavity of the threaded hole at the installation position under the reverse acting force of the spring 14, and the bottom of the center column 9 can be tightly abutted with the bottom of the inner cavity of the threaded hole at the installation position due to the reverse acting force of the spring 14, so that the stability between the bolt body 2 and the threaded hole at the installation position is improved under the abutting action of the center column 9 and the abutting rod 7, loosening and falling are avoided, and the safety is improved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The high-strength anti-falling fastener comprises a bolt head (1), a bolt body (2) arranged on one side of the bolt head (1) and threads (16) arranged on the bolt body (2);
The method is characterized in that: the bolt is characterized in that an abutting piece is arranged on the bolt body (2), a driving mechanism for driving the abutting piece to move is arranged on the bolt head (1), one end of the abutting piece protrudes out of the side wall of the bolt body (2), the driving mechanism is matched with a wrench and is configured to drive the abutting piece to move when the wrench screws the bolt head (1), the abutting piece protrudes out of one end of the side wall of the bolt body (2) to be recovered and hidden, and one end of the abutting piece pops out after the wrench is loosened; the abutting piece comprises a lateral abutting mechanism and a longitudinal abutting mechanism;
the inner side of the bolt body (2) is provided with a cavity (10), and the longitudinal abutting mechanism comprises a center column (9) movably connected to the inner side of the cavity (10);
The lateral collision mechanisms are arranged on the side face of the central column (9), at least two groups of lateral collision mechanisms are arranged, multiple groups of lateral collision mechanisms are uniformly distributed along the circumferential direction of the central column (9), the number of each group of lateral collision mechanisms is at least three, and multiple lateral collision mechanisms of each group are uniformly distributed along the height direction of the central column (9);
The lateral interference mechanism comprises a connecting arm (23) fixedly connected to the side wall of the center column (9), the connecting arm (23) is perpendicular to the side wall of the center column (9), one end, far away from the center column (9), of the connecting arm (23) is provided with a guide rod (24), the guide rod (24) is obliquely arranged, the distance from the upper end of the guide rod (24) to the center column (9) is greater than the distance from the lower end to the center column (9), a sliding block (25) is movably connected to the guide rod (24), one side, far away from the center column (9), of the sliding block (25) is fixedly connected with a supporting rod (7), and one end, far away from the sliding block (25), of the supporting rod (7) extends to the outer side of the bolt body (2).
2. The high strength anti-drop fastener of claim 1, wherein: the slide block (25) is provided with an inclined hole (30) with inclination matched with the guide rod (24), and the slide block (25) is movably connected to the outer side of the guide rod (24) through the inclined hole (30).
3. The high strength anti-drop fastener of claim 2, wherein: the bottom of the central column (9) extends to the bottom of the bolt body (2).
4. A high strength anti-drop fastener as claimed in claim 3, wherein: the bottom of the bolt head (1) is provided with a mounting groove (28), and the driving mechanism is arranged in the mounting groove (28).
5. The high strength anti-drop fastener as claimed in claim 4, wherein: the driving mechanism comprises a first through hole (26) arranged on the side face of the bolt head (1), the first through hole (26) is respectively arranged on a plurality of side edges of the bolt head (1), a convex body (3) is movably connected to the inner side of the first through hole (26), one side of the convex body (3) is an arc face, the arc face protrudes out of the side face of the bolt head (1) and is in interference fit with a spanner, the convex body (3) faces towards one end fixedly connected with guide rod (19) on the inner side of the bolt head (1), one end of the guide rod (19) away from the convex body (3) is fixedly connected with a second matching body (17), the upper end of the center column (9) extends to an inner cavity of a mounting groove (28), first matching bodies (15) corresponding to the second matching bodies (17) one by one are fixedly connected to the upper end side walls of the inner cavity of the center column (9), guide columns (12) are fixedly connected to the tops of the inner cavities of the mounting groove (28), the tops of the center column (9) are provided with guide columns (12) corresponding to the guide columns (12), and the first vertical ends (13) of the inner cavities (13) are connected with the inner cavities of the first vertical columns (13), and the lower ends of the first vertical columns (13) are provided with inner cavities (13).
6. The high strength anti-drop fastener as claimed in claim 5, wherein: the opposite sides of the second matching body (17) and the first matching body (15) are mutually matched inclined planes.
7. The high strength anti-drop fastener as claimed in claim 6, wherein: the device is characterized in that a first connecting rod (20) is fixedly connected to the corresponding position of the top of the inner cavity of the mounting groove (28) and the guide rod (19), a guide ring (11) corresponding to the guide rod (19) is fixedly connected to the bottom of the first connecting rod (20), and the guide ring (11) is movably connected to the outer side of the guide rod (19).
8. The high strength anti-drop fastener as claimed in claim 7, wherein: the bottom of the inner cavity of the mounting groove (28) is fixedly provided with a bottom plate (4), the top of the bolt body (2) and the middle part of the bottom plate (4) are respectively provided with a second through hole (27) which corresponds to and is matched with the central column (9), and the central column (9) extends to the inner side of the mounting groove (28) through the second through holes (27);
The bottom of the cavity (10) is fixedly provided with a bottom ring (5), and the lower end of the center column (9) is movably connected with the inner side of the bottom ring (5).
9. The high strength anti-drop fastener as claimed in claim 8, wherein: one end of the abutting rod (7) far away from the sliding block (25) is provided with a storage shell (6), a coagulating liquid (21) is stored in the inner side of the storage shell (6), one side of the storage shell (6) far away from the abutting rod (7) is provided with an opening, and the opening is provided with a sealing sheet (18);
One end fixedly connected with one side in the seal flake (18) outside is sloping piece (22), and the other end is fixed with second connecting rod (31), the one end that seal flake (18) was kept away from to second connecting rod (31) corresponds with the inclined plane of sloping piece (22), and the one end that seal flake (18) was kept away from to second connecting rod (31) is provided with spheroid (29) that corresponds with sloping piece (22), and the one end protrusion that seal flake (18) was kept away from to spheroid (29) is in the one side that seal flake (18) was kept away from to sloping piece (22), one side that spheroid (29) is close to second connecting rod (31) is provided with the arch, and protruding swing joint is inboard in the tip of second connecting rod (31), and is provided with extension spring (32) between the inner wall of arch and second connecting rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019561.XA CN117515007B (en) | 2024-01-05 | 2024-01-05 | High-strength anti-falling fastener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019561.XA CN117515007B (en) | 2024-01-05 | 2024-01-05 | High-strength anti-falling fastener |
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| CN117515007A CN117515007A (en) | 2024-02-06 |
| CN117515007B true CN117515007B (en) | 2024-04-23 |
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| CN202410019561.XA Active CN117515007B (en) | 2024-01-05 | 2024-01-05 | High-strength anti-falling fastener |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206111808U (en) * | 2016-09-19 | 2017-04-19 | 浙江亦宸五金有限公司 | Anti -theft bolt |
| CN206361000U (en) * | 2016-09-19 | 2017-07-28 | 浙江亦宸五金有限公司 | A kind of dual check bolt |
| CN207064434U (en) * | 2017-05-26 | 2018-03-02 | 江西寸金实业有限公司 | A kind of aircraft outer cover is anti-to uncage |
| CN219865812U (en) * | 2023-07-01 | 2023-10-20 | 邯郸市昱通紧固件有限公司 | Anti-drop bolt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8061945B2 (en) * | 2008-11-24 | 2011-11-22 | Zipnut Technology, Llc | Quick-acting threaded fastener |
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2024
- 2024-01-05 CN CN202410019561.XA patent/CN117515007B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206111808U (en) * | 2016-09-19 | 2017-04-19 | 浙江亦宸五金有限公司 | Anti -theft bolt |
| CN206361000U (en) * | 2016-09-19 | 2017-07-28 | 浙江亦宸五金有限公司 | A kind of dual check bolt |
| CN207064434U (en) * | 2017-05-26 | 2018-03-02 | 江西寸金实业有限公司 | A kind of aircraft outer cover is anti-to uncage |
| CN219865812U (en) * | 2023-07-01 | 2023-10-20 | 邯郸市昱通紧固件有限公司 | Anti-drop bolt |
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| CN117515007A (en) | 2024-02-06 |
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