CN112555263A - Anti-loose and anti-theft bolt - Google Patents
Anti-loose and anti-theft bolt Download PDFInfo
- Publication number
- CN112555263A CN112555263A CN202011404661.2A CN202011404661A CN112555263A CN 112555263 A CN112555263 A CN 112555263A CN 202011404661 A CN202011404661 A CN 202011404661A CN 112555263 A CN112555263 A CN 112555263A
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- Prior art keywords
- rod
- mounting
- annular
- block
- screw head
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- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 23
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor 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
- 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
- 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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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
- F16B39/38—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 with a second part of the screw-thread which may be resiliently mounted
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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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
Abstract
The invention discloses an anti-loosening and anti-theft bolt, which comprises a screw head, a screw rod, a mounting square hole, an extrusion block, a threaded part, a magnet block, a first mounting cavity, a cross rod, a jack, a telescopic rod, a first spring, a second mounting cavity, a pushing block, a connecting rod, a mounting round hole, a stressing rod, a second spring, a first annular groove, a second annular groove, an annular clamping block, an annular rotating block, an annular clamping groove and an opening, wherein the screw rod is fixedly arranged at the center of the lower end of the screw head, the lateral part of the screw rod is provided with the mounting square hole transversely penetrating through the screw rod, two extrusion blocks are arranged in the mounting square hole, the extrusion blocks are in axial sliding fit with the mounting square hole, the outer lateral part of each extrusion block is provided with a threaded part matched with the thread of the screw rod, compared with the prior art, the bolt can be effectively prevented from loosening, the bolt is effectively prevented from being randomly, simple structure, convenient use and convenient popularization and application.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to an anti-loose and anti-theft bolt.
[ background of the invention ]
Bolts are mechanical parts, cylindrical threaded fasteners fitted with nuts. The fastener consists of a head and a cylinder with a screw rod provided with external threads, and is matched with a nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The bolt with the structure has the following defects in the actual use process: in addition, the existing bolt has no anti-theft function, and the bolt is easily detached from an object by using a wrench or a screwdriver, so that an object fixed by the bolt is stolen by someone with other usefulness, such as a vehicle license plate.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an anti-loosening and anti-theft bolt which can effectively prevent the bolt from loosening, effectively prevent the bolt from being randomly disassembled by other people, improve the safety and reliability of the bolt in use, and is simple in structure, convenient to use and convenient to popularize and apply.
In order to achieve the purpose, the invention provides an anti-loosening and anti-theft bolt which comprises a screw head, a screw rod, a square mounting hole, extrusion blocks, a thread part, a magnet block, a first mounting cavity, a cross rod, a jack, a telescopic rod, a first spring, a second mounting cavity, a pushing block, a connecting rod, a round mounting hole, a force applying rod, a second spring, a first annular groove, a second annular groove, an annular clamping block, an annular rotating block, an annular clamping groove and an opening, wherein the screw rod is fixedly arranged at the center of the lower end of the screw head, the side part of the screw rod is provided with the square mounting hole which transversely penetrates through the screw rod, two extrusion blocks are arranged in the square mounting hole and are axially matched with the square mounting hole in a sliding manner, the outer side part of each extrusion block is provided with the thread part matched with the thread of the screw rod, the magnet block is embedded in the opposite side of each extrusion block, the screw is characterized in that a first mounting cavity is formed in the screw head, a horizontally arranged cross rod is arranged in the first mounting cavity, jacks are symmetrically formed in the bottom of the screw head and located on two sides of the screw rod, the jacks are communicated with the first mounting cavity, a telescopic rod penetrates through each jack, the upper end of each telescopic rod is fixedly connected with the end portion of the corresponding cross rod, a first spring is sleeved on the outer side of each telescopic rod, the lower end of each first spring is fixedly connected with the lower end of each telescopic rod, a second mounting cavity is axially formed in the screw rod, the upper end of each second mounting cavity is communicated with the first mounting cavity, the side portion of each second mounting cavity is communicated with a mounting square hole, a pushing block is arranged on the lower side of the mounting square hole in the second mounting cavity and axially matched with the second mounting cavity in a sliding manner, and a connecting rod coaxially arranged with the second mounting cavity is fixedly arranged at the tip portion of the upper end of the pushing block, the upper end of the connecting rod is fixedly connected with the lower side of the middle part of the cross rod, the upper part of the screw head is provided with two symmetrical mounting round holes, the connecting line of the two mounting round holes and the central position of the screw head is a straight line, a force applying rod is inserted in each mounting round hole and is in axial sliding fit with the mounting round holes, a second spring is arranged between the lower end of the force applying rod and the hole bottom of the mounting round holes, one end of the second spring is fixedly connected with the hole bottom of the mounting round holes, the other end of the second spring is fixedly connected with the lower end of the force applying rod, the side part of the screw head is provided with a plurality of first annular grooves coaxial with the screw head from top to bottom, the groove bottom of each first annular groove is provided with a second annular groove coaxial with the screw head, the second annular grooves are intersected and communicated with the side part of the mounting round holes, and each second annular groove can be rotatably provided with, every all can rotate in the first ring channel and be equipped with annular turning block, annular turning block and annular fixture block formula design as an organic whole, every the lateral part of acting on the pole all seted up a plurality of and annular fixture block matched with ring groove, annular fixture block card is established in ring groove, every the interior anchor ring of annular fixture block all seted up two openings that correspond with the pole position of acting on.
Preferably, the upper part of the screw head is provided with an oil filling hole communicated with the first mounting cavity.
Preferably, the outer side of the extrusion block is designed to be a curved surface, and the curved surface of the outer side of the extrusion block is matched with the curved surface of the side of the screw.
Preferably, the upper section of the pushing block is designed to be conical, and the lower section of the pushing block is designed to be cylindrical.
Preferably, the outer side of the annular rotating block is provided with anti-slip threads.
Preferably, the number of the annular rotating blocks is at least 2.
The invention has the beneficial effects that: the invention is characterized in that two symmetrically arranged mounting round holes are arranged at the upper part of a screw head, a force rod is inserted in each mounting round hole, the force rod is axially matched with the mounting round holes in a sliding manner, a second spring is arranged between the lower end of the force rod and the bottom of the mounting round hole, a plurality of first annular grooves coaxial with the screw head are arranged at the side part of the screw head from top to bottom, a second annular groove coaxial with the screw head is arranged at the bottom of each first annular groove, the second annular grooves are intersected and communicated with the side part of the mounting round hole, an annular clamping block is rotatably arranged in each second annular groove, an annular rotating block is rotatably arranged in each first annular groove, the annular rotating block and the annular clamping block are designed into a whole, a plurality of annular clamping grooves matched with the annular clamping blocks are arranged at the side part of each force rod, the annular clamping blocks are clamped in the annular clamping grooves, two openings corresponding to the positions of the force rods are arranged on the inner annular surface of each annular, when the bolt needs to be screwed down, the annular rotating blocks can be respectively rotated, the annular rotating blocks and the annular clamping blocks rotate together, the annular clamping blocks are clamped in the annular clamping grooves, so that the force applying rod cannot extend out of the upper end of the mounting circular hole, when the opening on each annular clamping block rotates to the side part of the force applying rod, no annular clamping block exists in the annular clamping grooves at the moment, the force applying rod extends out of the mounting circular hole under the elastic force action of the second spring, an operator can clamp the bolt between the two force applying rods by using the dismounting rod, the force applying rod is pressed after the bolt is screwed down, when the upper end of the force applying rod is level with the upper end of the mounting circular hole, the annular rotating blocks are randomly rotated to enable the opening to be staggered with the force applying rod, the annular clamping blocks are clamped in the annular clamping grooves on the side parts of the force applying rod, the force applying rod cannot extend out of the mounting circular hole, and an unconscious person cannot know how to correctly rotate the annular rotating blocks to enable the force applying rod to extend out, furthermore, the bolt can not be disassembled, because the oil injection hole is arranged on the screw head, the bolt can be conveniently injected with oil, an installation square hole transversely penetrating through the screw rod is arranged at the side part of the screw rod, two extrusion blocks are arranged in the installation square hole, a thread part matched with the thread of the screw rod is arranged at the outer side part of each extrusion block, magnet blocks are embedded at the opposite sides of the two extrusion blocks, the two magnet blocks are mutually attracted and arranged, a first installation cavity is arranged inside the screw head, a horizontally arranged cross rod is arranged in the first installation cavity, jacks are symmetrically arranged at the two sides of the screw rod at the bottom of the screw head, the jacks are communicated with the first installation cavity, telescopic rods are respectively penetrated in the jacks, the upper ends of the telescopic rods are fixedly connected with the end parts of the cross rod, a first spring is sleeved at the outer side of each telescopic rod, and the lower end of the first spring is fixedly connected with the lower end, a second installation cavity is axially arranged in the screw rod, the upper end of the second installation cavity is communicated with the first installation cavity, the side part of the second installation cavity is communicated with the installation square hole, a pushing block is arranged at the lower side of the installation square hole in the second installation cavity and is in axial sliding fit with the second installation cavity, a connecting rod which is coaxial with the second installation cavity is fixedly arranged at the tip part of the upper end of the pushing block, the upper end of the connecting rod is fixedly connected with the lower side of the middle part of the cross rod, when the bolt is screwed down, the lower end of the telescopic rod is contacted with the surface of an object, the telescopic rod can retract into the jack after being extruded, at the moment, the first spring is also compressed, the elastic force of the first spring enables the cross rod to drive the connecting rod to move upwards, the connecting rod drives the extrusion block to slide towards the outer end of the installation square hole through the pushing block, so that the extrusion block is tightly propped against the object at the, effectively prevent that the bolt is not hard up, owing to set up two magnet pieces that attract each other, when this bolt is not yet installed again, two extrusion pieces can be attracted by the magnetic force of magnet piece and gather together the central point in the installation square hole and put, extrusion piece this moment can not hinder the normal installation of this bolt, compare with prior art, can effectively prevent that the bolt is not hard up, effectively prevent that the bolt from being dismantled at will by other people, the security and the reliability that the bolt used have been promoted, moreover, the steam generator is simple in structure, high durability and convenient use, and convenient popularization and application.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a locking anti-theft bolt of the present invention;
fig. 2 is a structural plan view of the anti-loose and anti-theft bolt of the invention.
In the figure: 1-screw head, 2-screw rod, 3-mounting square hole, 4-extrusion block, 5-screw thread part, 6-magnet block, 7-first mounting cavity, 8-cross rod, 9-jack, 10-telescopic rod, 11-first spring, 12-second mounting cavity, 13-pushing block, 14-connecting rod, 15-mounting round hole, 16-stressing rod, 17-second spring, 18-first annular groove, 19-second annular groove, 20-annular clamping block, 21-annular rotating block, 22-annular clamping groove and 23-opening.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the invention relates to an anti-loosening and anti-theft bolt, which comprises a bolt head 1, a screw rod 2, a square mounting hole 3, an extrusion block 4, a thread part 5, a magnet block 6, a first mounting cavity 7, a cross bar 8, a jack 9, a telescopic rod 10, a first spring 11, a second mounting cavity 12, a pushing block 13, a connecting rod 14, a mounting round hole 15, an acting rod 16, a second spring 17, a first annular groove 18, a second annular groove 19, an annular clamping block 20, an annular rotating block 21, an annular clamping groove 22 and an opening 23, wherein the screw rod 2 is fixedly arranged at the center position of the lower end of the bolt head 1, the side part of the screw rod 2 is provided with the square mounting hole 3 transversely penetrating through the screw rod 2, two extrusion blocks 4 are arranged in the square mounting hole 3, the extrusion blocks 4 are axially matched with the square mounting hole 3 in a sliding manner, the outer side part of each extrusion block 4 is provided with the, the two magnets 6 are embedded in opposite sides of the two extrusion blocks 4, the two magnets 6 are attracted to each other, a first mounting cavity 7 is formed in the screw head 1, a horizontally arranged cross rod 8 is arranged in the first mounting cavity 7, insertion holes 9 are symmetrically formed in the bottom of the screw head 1 and located on two sides of the screw rod 2, the insertion holes 9 are communicated with the first mounting cavity 7, a telescopic rod 10 penetrates through each insertion hole 9, the upper end of each telescopic rod 10 is fixedly connected with the end portion of the cross rod 8, a first spring 11 is sleeved on the outer side of each telescopic rod 10, the lower end of each first spring 11 is fixedly connected with the lower end of each telescopic rod 10, a second mounting cavity 12 is axially formed in the screw rod 2, the upper end of each second mounting cavity 12 is communicated with the first mounting cavity 7, the side portion of each second mounting cavity 12 is communicated with the mounting square hole 3, a top pushing block 13 is arranged in the second mounting cavity 12 and located on the lower side of the mounting square hole 3, the pushing block 13 is in axial sliding fit with the second mounting cavity 12, a connecting rod 14 which is coaxial with the second mounting cavity 12 is fixedly arranged at the tip of the upper end of the pushing block 13, the upper end of the connecting rod 14 is fixedly connected with the lower side of the middle part of the cross rod 8, two symmetrically arranged mounting round holes 15 are arranged at the upper part of the screw head 1, a connecting line of the central positions of the two mounting round holes 15 and the screw head 1 is a straight line, a force applying rod 16 is inserted in each mounting round hole 15, the force applying rod 16 is in axial sliding fit with the mounting round holes 15, a second spring 17 is arranged between the lower end of the force applying rod 16 and the hole bottom of the mounting round holes 15, one end of the second spring 17 is fixedly connected with the hole bottom of the mounting round hole 15, the other end of the second spring is fixedly connected with the lower end of the force applying rod 16, a plurality of first annular grooves 18 which are coaxial with the screw head 1 are arranged at the side part, a second annular groove 19 which is coaxial with the screw head 1 is formed in the bottom of each first annular groove 18, the second annular groove 19 is intersected and communicated with the side portion of the installation round hole 15, an annular clamping block 20 is rotatably arranged in each second annular groove 19, an annular rotating block 21 is rotatably arranged in each first annular groove 18, the annular rotating block 21 and the annular clamping block 20 are designed into a whole, a plurality of annular clamping grooves 22 which are matched with the annular clamping blocks 20 are formed in the side portion of each stress rod 16, the annular clamping blocks 20 are clamped in the annular clamping grooves 22, two openings 23 which correspond to the stress rods 16 are formed in the inner annular surface of each annular clamping block 20, oil injection holes which are communicated with the first installation cavity 7 are formed in the upper portion of the screw head 1, the outer side portion of the extrusion block 4 is designed into a curved surface, and the curved surface of the outer side portion of the extrusion block 4 is matched with the curved surface of the side portion of the screw rod 2, the upper section of the pushing block 13 is designed to be conical, the lower section of the pushing block is designed to be cylindrical, anti-skid grains are arranged on the outer side of the annular rotating block 21, and the number of the annular rotating blocks 9 is at least 2.
The working process of the invention is as follows:
in the working process of the anti-loose and anti-theft bolt, when the bolt needs to be screwed down, the annular rotating blocks 21 can be respectively rotated, the annular rotating blocks 21 and the annular clamping blocks 20 rotate together, the annular clamping blocks 20 are clamped in the annular clamping grooves 22, so that the force applying rods 16 cannot extend out of the upper ends of the mounting circular holes 15, when the opening 23 on each annular clamping block 20 rotates to the side part of the force applying rod 16, the annular clamping blocks 20 do not exist in the annular clamping grooves 22, the force applying rods 16 extend out of the mounting circular holes 15 under the elastic force action of the second springs 17, an operator can screw down the bolt by clamping the dismounting rods between the two force applying rods 16, after the bolt is screwed down, the force applying rods 16 are pressed, when the upper ends of the force applying rods 16 are flush with the upper ends of the mounting circular holes 15, the annular rotating blocks 21 are rotated to enable the openings 23 to be staggered with the force applying rods 16 at will, and the annular clamping blocks 20 are clamped in the annular clamping grooves 22 on the side parts of, the force rod 16 can not extend to the outside of the mounting round hole 15, an unknown person can not know how to correctly rotate the annular rotating block 21 to enable the force rod 16 to extend out of the mounting round hole 15, and further the bolt can not be detached, when the bolt is screwed down, the lower end of the telescopic rod 10 is in contact with the surface of an object, the telescopic rod 10 can retract into the jack 9 after being extruded, at the moment, the first spring 11 is compressed, the elastic force of the first spring 11 enables the cross rod 8 to drive the connecting rod 14 to move upwards, the connecting rod 14 drives the extrusion block 4 to slide towards the outer end of the mounting square hole 3 through the pushing block 13, so that the extrusion block 4 is tightly propped against the object at the outer side part of the screw rod 2, the screw rod 2 can be effectively prevented from rotating, the bolt is effectively prevented from loosening, due to the arrangement of the two mutually attracted extrusion blocks 6, when the bolt is not mounted, the two extrusion blocks 4 can be attracted by the magnetic force of the magnet block 6 and gathered at the central position of the, extrusion piece 4 this moment can not hinder the normal installation of this bolt, compares with prior art, can prevent effectively that the bolt is not hard up, prevents effectively that the bolt from being dismantled at will by other people, has promoted security and the reliability that the bolt used, simple structure, convenient to use, convenient to popularize and apply.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a locking theftproof bolt which characterized in that: comprises a screw head (1), a screw rod (2), a mounting square hole (3), extrusion blocks (4), a thread part (5), a magnet block (6), a first mounting cavity (7), a cross rod (8), a jack (9), a telescopic rod (10), a first spring (11), a second mounting cavity (12), a pushing block (13), a connecting rod (14), a mounting round hole (15), a force applying rod (16), a second spring (17), a first annular groove (18), a second annular groove (19), an annular clamping block (20), an annular rotating block (21), an annular clamping groove (22) and an opening (23), wherein the screw rod (2) is fixedly arranged at the center position of the lower end of the screw head (1), the mounting square hole (3) transversely penetrating through the screw rod (2) is formed in the side part of the screw rod (2), the two extrusion blocks (4) are arranged in the mounting square hole (3), and the extrusion blocks (4) are in axial sliding fit with the mounting square hole (3), the outer side of each extrusion block (4) is provided with a thread portion (5) matched with threads of the screw rod (2), the opposite sides of the two extrusion blocks (4) are embedded with magnet blocks (6), the two magnet blocks (6) are arranged in an attracting manner, a first installation cavity (7) is formed in the screw head (1), a horizontally arranged cross rod (8) is arranged in the first installation cavity (7), the bottom of the screw head (1) is positioned on two sides of the screw rod (2) and symmetrically provided with insertion holes (9), the insertion holes (9) are communicated with the first installation cavity (7), a telescopic rod (10) is arranged in each insertion hole (9) in a penetrating manner, the upper end of the telescopic rod (10) is fixedly connected with the end portion of the cross rod (8), the outer side of each telescopic rod (10) is sleeved with a first spring (11), and the lower end of the first spring (11) is fixedly connected with the lower end of the telescopic rod (10), a second mounting cavity (12) is axially formed in the screw (2), the upper end of the second mounting cavity (12) is communicated with the first mounting cavity (7), the lateral part of the second mounting cavity (12) is communicated with the mounting square hole (3), a pushing block (13) is arranged on the lower side of the mounting square hole (3) in the second mounting cavity (12), the pushing block (13) is in axial sliding fit with the second mounting cavity (12), a connecting rod (14) which is coaxial with the second mounting cavity (12) is fixedly arranged at the tip part of the upper end of the pushing block (13), the upper end of the connecting rod (14) is fixedly connected with the lower side of the middle part of the cross rod (8), two symmetrically-arranged mounting round holes (15) are formed in the upper part of the screw head (1), a connecting line between the two mounting round holes (15) and the central position of the screw head (1) is a straight line, and a force rod (16) is inserted into each mounting round hole (15), the stress applying rod (16) is in axial sliding fit with the mounting round hole (15), a second spring (17) is arranged between the lower end of the stress applying rod (16) and the hole bottom of the mounting round hole (15), one end of the second spring (17) is fixedly connected with the hole bottom of the mounting round hole (15), the other end of the second spring is fixedly connected with the lower end of the stress applying rod (16), a plurality of first annular grooves (18) coaxial with the screw head (1) are formed in the side portion of the screw head (1) from top to bottom, a second annular groove (19) coaxial with the screw head (1) is formed in the groove bottom of each first annular groove (18), the second annular grooves (19) are intersected and communicated with the side portion of the mounting round hole (15), an annular clamping block (20) is rotatably arranged in each second annular groove (19), and an annular rotating block (21) is rotatably arranged in each first annular groove (18), annular turning block (21) and annular fixture block (20) formula design as an organic whole, every the lateral part of forcing rod (16) is all seted up a plurality of annular draw-in grooves (22) with annular fixture block (20) matched with, annular fixture block (20) card is established in annular draw-in groove (22), every annular fixture block (20) the interior anchor ring all seted up two and forcing rod (16) opening (23) that the position corresponds.
2. An anti-loosening anti-theft bolt as defined in claim 1, characterized in that: the upper part of the screw head (1) is provided with an oil filling hole communicated with the first mounting cavity (7).
3. An anti-loosening anti-theft bolt as defined in claim 1, characterized in that: the outer side of the extrusion block (4) is designed to be a curved surface, and the curved surface of the outer side of the extrusion block (4) is matched with the curved surface of the side of the screw rod (2).
4. An anti-loosening anti-theft bolt as defined in claim 1, characterized in that: the upper section of the pushing block (13) is designed to be conical, and the lower section of the pushing block is designed to be cylindrical.
5. An anti-loosening anti-theft bolt as defined in claim 1, characterized in that: the outer side of the annular rotating block (21) is provided with anti-skid grains.
6. An anti-loosening anti-theft bolt according to any one of claims 1 to 5, characterized in that: the number of the annular rotating blocks (9) is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404661.2A CN112555263B (en) | 2020-12-03 | 2020-12-03 | Anti-loose and anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404661.2A CN112555263B (en) | 2020-12-03 | 2020-12-03 | Anti-loose and anti-theft bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112555263A true CN112555263A (en) | 2021-03-26 |
| CN112555263B CN112555263B (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011404661.2A Active CN112555263B (en) | 2020-12-03 | 2020-12-03 | Anti-loose and anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555263B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446299A (en) * | 2021-07-18 | 2021-09-28 | 王立志 | High-strength anti-skid bolt |
| CN113958590A (en) * | 2021-09-17 | 2022-01-21 | 国网新疆电力有限公司博尔塔拉供电公司 | Anti-theft device for transmission line iron tower |
| CN114434373A (en) * | 2022-02-15 | 2022-05-06 | 国网福建省电力有限公司超高压分公司 | Open end wrench device capable of working in vertical direction |
| CN114623143A (en) * | 2022-04-02 | 2022-06-14 | 聂俊斌 | Bolt and nut assembly with strong stability for mechanical configuration |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2002718A1 (en) * | 1968-02-27 | 1969-10-31 | Rex Chainbelt Inc | |
| GB1475543A (en) * | 1975-02-17 | 1977-06-01 | Ferranti Ltd | Tamperproof fastenings |
| JP2002317809A (en) * | 2002-04-12 | 2002-10-31 | Fujikin Inc | Bolt anti-loosening device |
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| CN108150512A (en) * | 2017-11-17 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | A kind of bolt with locking functions |
| CN209164339U (en) * | 2018-12-10 | 2019-07-26 | 青岛厚德标准件有限公司 | A kind of anti-theft bolt for wind tower truss structure |
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| CN211648749U (en) * | 2019-12-18 | 2020-10-09 | 丽水瑞标汽摩配有限公司 | Hexagonal flange face shaft shoulder bolt |
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| CN113446299A (en) * | 2021-07-18 | 2021-09-28 | 王立志 | High-strength anti-skid bolt |
| CN113446299B (en) * | 2021-07-18 | 2023-11-14 | 温州市圣特标准件有限公司 | High-strength anti-skid bolt |
| CN113958590A (en) * | 2021-09-17 | 2022-01-21 | 国网新疆电力有限公司博尔塔拉供电公司 | Anti-theft device for transmission line iron tower |
| CN113958590B (en) * | 2021-09-17 | 2023-06-16 | 国网新疆电力有限公司博尔塔拉供电公司 | Antitheft device for transmission line iron tower |
| CN114434373A (en) * | 2022-02-15 | 2022-05-06 | 国网福建省电力有限公司超高压分公司 | Open end wrench device capable of working in vertical direction |
| CN114623143A (en) * | 2022-04-02 | 2022-06-14 | 聂俊斌 | Bolt and nut assembly with strong stability for mechanical configuration |
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Denomination of invention: A type of anti loosening and anti-theft bolt Effective date of registration: 20230614 Granted publication date: 20220930 Pledgee: Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Qinshan sub branch Pledgor: Zhejiang Chaobol Hardware Co.,Ltd. Registration number: Y2023330001198 |
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Granted publication date: 20220930 Pledgee: Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Qinshan sub branch Pledgor: Zhejiang Chaobol Hardware Co.,Ltd. Registration number: Y2023330001198 |