CN114893491A - Anti-drop and anti-theft nut - Google Patents
Anti-drop and anti-theft nut Download PDFInfo
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- CN114893491A CN114893491A CN202210522586.2A CN202210522586A CN114893491A CN 114893491 A CN114893491 A CN 114893491A CN 202210522586 A CN202210522586 A CN 202210522586A CN 114893491 A CN114893491 A CN 114893491A
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- screw rod
- shaped bolt
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- 238000004891 communication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- 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
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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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/08—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of nuts, and discloses an anti-drop and anti-theft nut, which solves the problem that the existing nut has potential safety use hazards and comprises a screw rod, a nut, a connecting part A and a connecting part B, wherein the screw rod is connected between the connecting part A and the connecting part B, the nut is connected to the surface of the screw rod, two notches are symmetrically formed in the surface of the nut, a conical tetrahedron is formed in the top of the screw rod, a fixed sleeve cover is arranged on the surface of the nut and positioned at the upper part of the screw rod, two clamping blocks are symmetrically arranged in the fixed sleeve cover, the two clamping blocks are clamped in the two notches, a four-surface conical groove is formed in the top of the inner part of the fixed sleeve cover, and the conical tetrahedron is inserted in the four-surface conical groove; this nut has anticreep theftproof structure, makes nut and screw rod can not take place to become flexible and drop because of violent vibrations after being connected, and nut and screw rod are difficult maliciously dismantled after being connected simultaneously to the effectual security that improves the nut and use.
Description
Technical Field
The invention belongs to the technical field of nuts, and particularly relates to an anti-drop and anti-theft nut.
Background
The nut is also called a nut and is a fixing tool, the center of the nut is provided with a hole, and the inner side of the hole is provided with threads; nuts are often used in conjunction with appropriately sized screws to secure the associated joint; the nut is hexagonal in shape and square in shape.
In the device equipment which is fixedly connected by using the screw and the nut, the nut can be loosened due to violent vibration and can seriously fall off, and meanwhile, the nut is generally exposed to be installed and is easy to contact, so that the problem that the nut is loosened and disassembled by malicious rotation, and the hidden danger of safe use exists; therefore, the existing nut cannot meet the requirement of safe use, and needs to be improved.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the anti-drop and anti-theft nut, which effectively solves the problem of potential safety use hazard of the conventional nut.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nut of anticreep theftproof, including screw rod, nut, adapting unit A and adapting unit B, the screw rod is connected between adapting unit A and adapting unit B, the nut is connected on the surface of screw rod, two breachs have been seted up to the surface symmetry of nut, the toper tetrahedron has been seted up at the top of screw rod, the fixed upper shield is installed on the surface of nut and the upper portion that is located the screw rod, two fixture blocks are installed to the internal symmetry of fixed upper shield, two fixture block joints are in the inside of two breachs, the four sides bell jar has been seted up at the inside top of fixed upper shield, the toper tetrahedron is pegged graft in the inside of four sides bell jar, two inside grooves have been seted up to the surface symmetry of fixed upper shield, two inside grooves all communicate with fixed upper shield, fixed fastener is all installed to the inside of two inside grooves.
Preferably, the fixing clamp comprises a first inverted T-shaped bolt, a second inverted T-shaped bolt and a first spring, the first inverted T-shaped bolt and the second inverted T-shaped bolt are arranged at two ends of the inner groove, and the first spring is connected between the first inverted T-shaped bolt and the second inverted T-shaped bolt and located in the middle of the inner groove, so that the fixing clamp can be effectively adjusted.
Preferably, the end parts of the first inverted T-shaped bolt and the second inverted T-shaped bolt are provided with inclined planes.
Preferably, two first tapered slots are symmetrically formed in the upper portion of the screw rod, and the second inverted-T-shaped bolt is inserted into the first tapered slots through the inclined surface, so that the fixed sleeve cover can be stably and firmly connected to the surface of the nut and the upper portion of the screw rod.
Preferably, a sliding inner groove is formed in the bottom of the inner groove, a sliding block is installed at the bottom of one end of the first inverted T-shaped bolt and is installed inside the sliding inner groove in a sliding mode, and a second spring is installed between one side of the sliding block and one end of the sliding inner groove.
Preferably, the surface mounting of fixed capping has the rotation capping, and the internally mounted who rotates the capping has protruding circle, and two second toper slots have been seted up to the inboard symmetry of protruding circle, and first circle groove has been seted up on the surface of fixed capping, and protruding circle is installed in the inside in first circle groove, and the other end of first shape bolt of falling T offsets with the inboard of protruding circle to make first shape bolt of falling T can make the tip of second shape bolt of falling T peg graft in the inside of first toper slot through first spring, and keep the validity and the stability of pegging graft.
Preferably, four third springs are installed at the bottom of the first ring groove at equal intervals, abutting blocks are installed at the tops of the third springs, and the tops of the abutting blocks abut against the bottom of the convex ring.
Preferably, the second circle groove has been seted up on the surface of fixed upper shield, has seted up two intercommunication mouths between second circle groove and the first circle groove, rotates the inside annular equidistance of upper shield and installs two shape fixture blocks of falling L, and two shape fixture blocks of falling L are all installed in the inside in second circle groove to make and rotate the upper shield and can effectually rotate the regulation, and make and rotate the upper shield and can compress the regulation and make fixed upper shield pull down from the surface of nut and the upper portion of screw rod.
Compared with the prior art, the invention has the beneficial effects that:
(1) in the work, the nut is provided with the anti-falling and anti-theft structure through the arrangement of the notch, the conical tetrahedron, the fixing sleeve cover, the clamping block, the four-surface conical groove, the inner groove and the fixing clamping piece, so that the nut and the screw rod are not loosened and fall off due to severe vibration after being connected, and the nut and the screw rod are difficult to be maliciously disassembled after being connected, thereby effectively improving the use safety of the nut;
(2) the fixed sleeve cover can be stably and firmly connected to the surface of the nut and the upper part of the screw rod by arranging the first conical slot, the first inverted T-shaped bolt, the second inverted T-shaped bolt, the first spring, the rotary sleeve cover, the convex ring, the second conical slot, the first ring groove, the third spring and the abutting block;
when the fixed sleeve cover is installed, the two clamping blocks are aligned to the two notches and clamped into the two notches, the conical tetrahedron is aligned to the four-surface conical groove and inserted into the four-surface conical groove, the conical tetrahedron can firstly extrude the second inverted T-shaped bolt through the inclined surface of the end part of the second inverted T-shaped bolt in the process of being inserted into the four-surface conical groove, so that the second inverted T-shaped bolt compresses the first spring, and when the second inverted T-shaped bolt is aligned to the first conical slot, the end part of the second inverted T-shaped bolt can be inserted into the first conical slot through the elastic force of the first spring, so that the fixed sleeve cover is stably and firmly installed on the surface of the nut and the upper part of the screw rod and is not easy to fall off;
(3) the sliding block is provided with a second spring, a sliding block, a sliding inner groove, a second ring groove, a communication port and an inverted L-shaped clamping block; thereby enabling the rotary sleeve cover to be effectively adjusted in rotation and enabling the rotary sleeve cover to be adjusted in compression so that the fixed sleeve cover is detached from the surface of the nut and the upper part of the screw rod;
when the nut needs to be disassembled, the rotating sleeve cover is rotated, the rotating sleeve cover drives the two inverted L-shaped clamping blocks to rotate in the second ring groove, the two inverted L-shaped clamping blocks are aligned with the two communicating ports simultaneously, then the rotating sleeve cover is pressed, the two inverted L-shaped clamping blocks slide into the first ring groove through the two communicating ports, the rotating sleeve cover is pressed simultaneously to drive the convex ring to move so as to extrude the abutting block, so that the third spring is compressed, the movement of the convex ring drives the two second taper slots to move, when the two second taper slots and the two inner grooves are aligned with each other, the sliding block pulls the first inverted T-shaped bolt to move through the elastic force recovery action of the second spring, so that the first inverted T-shaped bolt is inserted into the second taper slots, the movement of the first inverted T-shaped bolt drives the first spring and the second inverted T-shaped bolt to move, thereby make the second shape of falling T bolt withdraw from the inside of first toper slot, later can dismantle fixed upper shield, can dismantle the nut after fixed upper shield dismantles and finishes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the partially expanded configuration of FIG. 1 in accordance with the present invention;
FIG. 3 is a first partial schematic view of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of a fixed cover according to the present invention;
FIG. 5 is a second partial schematic view of FIG. 2 according to the present invention;
in the figure: 1. a screw; 101. a first tapered slot; 2. a nut; 3. a connecting member A; 4. a connecting member B; 5. a notch; 6. a tapered tetrahedron; 7. fixing the sleeve cover; 8. a clamping block; 9. a four-sided conical groove; 10. an inner tank; 11. fixing the clamping piece; 1101. a first inverted T-shaped bolt; 1102. a second inverted T-shaped bolt; 1103. a first spring; 1104. a second spring; 1105. a slider; 1106. a sliding inner groove; 12. rotating the sleeve cover; 13. a convex ring; 14. a second tapered slot; 15. a first ring groove; 16. a third spring; 17. a resisting block; 18. a second ring groove; 19. a communication port; 20. an inverted L-shaped fixture block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1 to 5, the present invention includes a screw 1, a nut 2, a connecting part A3 and a connecting part B4, the screw 1 is connected between a connecting part A3 and a connecting part B4, the nut 2 is connected on the surface of the screw 1, two notches 5 are symmetrically formed on the surface of the nut 2, a tapered tetrahedron 6 is formed on the top of the screw 1, a fixing cap 7 is mounted on the surface of the nut 2 and located on the upper part of the screw 1, two blocks 8 are symmetrically mounted inside the fixing cap 7, the two blocks 8 are clamped inside the two notches 5, a four-sided tapered groove 9 is formed on the top inside the fixing cap 7, the tapered tetrahedron 6 is inserted inside the four-sided tapered groove 9, two inner grooves 10 are symmetrically formed on the surface of the fixing cap 7, the two inner grooves 10 are both communicated with the fixing cap 7, and fixing clamps 11 are mounted inside the two inner grooves 10, through the arrangement of the notch 5, the conical tetrahedral 6, the fixture block 8 and the four-sided conical groove 9, the nut 2 cannot rotate and loosen on the surface of the screw rod 1 due to vibration, and the firmness and the stability of the connection of the nut 2 are kept;
when the connecting part A3 and the connecting part B4 vibrate violently to drive the screw rod 1 and the nut 2 to vibrate, the loosening rotation of the nut 2 can drive the clamping block 8 to drive, the rotation of the clamping block 8 can drive the fixing sleeve cover 7 to rotate, the rotation of the fixing sleeve cover 7 can drive the four-face conical groove 9 to rotate, the rotation of the four-face conical groove 9 can drive the conical tetrahedron 6 to rotate, and the rotation of the conical tetrahedron 6 can drive the screw rod 1 to rotate, so that the screw rod 1 and the nut 2 rotate synchronously, the nut 2 cannot rotate and loosen due to vibration, and the connecting firmness and firmness of the nut 2 are effectively guaranteed;
the fixing clip 11 includes a first inverted T-shaped latch 1101, a second inverted T-shaped latch 1102 and a first spring 1103, the first inverted T-shaped latch 1101 and the second inverted T-shaped latch 1102 are installed at two ends of the inner slot 10, the first spring 1103 is connected between the first inverted T-shaped latch 1101 and the second inverted T-shaped latch 1102 and is located in the middle of the inner slot 10, as shown in fig. 3, the first spring 1103 is in a natural state, and does not extend or compress; thereby effectively adjusting; the end parts of the first inverted T-shaped bolt 1101 and the second inverted T-shaped bolt 1102 are both provided with inclined surfaces; two first tapered slots 101 are symmetrically formed in the upper portion of the screw 1, and the second inverted-T-shaped plug pin 1102 is inserted into the first tapered slots 101 through an inclined surface, so that the fixed sleeve cover 7 can be stably and firmly connected to the surface of the nut 2 and the upper portion of the screw 1;
when the fixing cap 7 is installed, the two fixture blocks 8 are aligned with the two notches 5 and clamped into the two notches 5, and the tapered tetrahedron 6 is aligned with the four-sided tapered slot 9 and inserted into the four-sided tapered slot 9, the tapered tetrahedron 6 will firstly press the second inverted T-shaped latch 1102 through the inclined surface of the end of the second inverted T-shaped latch 1102 in the process of being inserted into the four-sided tapered slot 9, so that the second inverted T-shaped latch 1102 compresses the first spring 1103, and when the second inverted T-shaped latch 1102 is aligned with the first tapered slot 101, the end of the second inverted T-shaped latch 1102 is inserted into the first tapered slot 101 through the elastic force of the first spring 1103, so that the fixing cap 7 is stably and firmly installed on the surface of the nut 2 and the upper part of the screw 1 and is not easy to fall off;
a sliding inner groove 1106 is formed in the bottom of the inner groove 10, a sliding block 1105 is installed at the bottom of one end of the first inverted T-shaped plug 1101, the sliding block 1105 is installed in the sliding inner groove 1106 in a sliding manner, and a second spring 1104 is installed between one side of the sliding block 1105 and one end of the sliding inner groove 1106, so that the first inverted T-shaped plug 1101 is pulled by the sliding block 1105 as shown in fig. 3 when the second spring 1104 is in a stretching state; the surface of the fixed sleeve cover 7 is provided with a rotary sleeve cover 12, a convex ring 13 is arranged inside the rotary sleeve cover 12, two second tapered slots 14 are symmetrically formed in the inner side of the convex ring 13, a first ring slot 15 is formed in the surface of the fixed sleeve cover 7, the convex ring 13 is arranged inside the first ring slot 15, and the other end of the first inverted T-shaped bolt 1101 is abutted against the inner side of the convex ring 13, so that the first inverted T-shaped bolt 1101 can enable the end of the second inverted T-shaped bolt 1102 to be inserted into the first tapered slot 101 through the first spring 1103, and the validity and the stability of insertion are kept; four third springs 16 are arranged at the bottom of the first ring groove 15 at equal intervals, abutting blocks 17 are arranged at the tops of the third springs 16, and the tops of the abutting blocks 17 abut against the bottom of the convex ring 13; a second ring groove 18 is formed in the surface of the fixed sleeve cover 7, two communication ports 19 are formed between the second ring groove 18 and the first ring groove 15, two inverted-L-shaped fixture blocks 20 are annularly and equidistantly installed inside the rotary sleeve cover 12, and the two inverted-L-shaped fixture blocks 20 are both installed inside the second ring groove 18, so that the rotary sleeve cover 12 can be effectively adjusted in a rotating mode, and the rotary sleeve cover 12 can be adjusted in a compressing mode to enable the fixed sleeve cover 7 to be detached from the surface of the nut 2 and the upper portion of the screw 1;
the rotary sleeve cover 12 and the fixed sleeve cover 7 are covered on the surface of the nut 2 to protect the nut 2, so that the nut 2 cannot be loosened and fall off and cannot be detached maliciously;
when the nut 2 needs to be disassembled, the rotating sleeve cover 12 is rotated, the rotating sleeve cover 12 drives the two inverted-L-shaped fixture blocks 20 to rotate in the second ring groove 18, the two inverted-L-shaped fixture blocks 20 are aligned with the two communication ports 19, then the rotating sleeve cover 12 is pressed, the two inverted-L-shaped fixture blocks 20 slide into the first ring groove 15 through the two communication ports 19, the rotating sleeve cover 12 is pressed to drive the convex ring 13 to move and extrude the supporting block 17, so that the third spring 16 is compressed, the moving of the convex ring 13 drives the two second taper insertion grooves 14 to move, when the two second taper insertion grooves 14 and the two inner grooves 10 are aligned, the slider 1105 pulls the first inverted-T-shaped plug 1101 to move through the elastic force restoring action of the second spring 1104, so that the first inverted-T-shaped plug is inserted into the second taper insertion groove 1101 14, the first spring 1103 and the second inverted T-shaped bolt 1102 are driven to move by the movement of the first inverted T-shaped bolt 1101, so that the second inverted T-shaped bolt 1102 is withdrawn from the inside of the first tapered slot 101, then the fixing sleeve cover 7 can be detached, and the nut 2 can be detached after the fixing sleeve cover 7 is detached;
this nut has anticreep theftproof structure, makes nut and screw rod can not take place to become flexible and drop because of violent vibrations after being connected, and nut and screw rod are difficult by maliciously dismantling after being connected simultaneously to the effectual security that improves the nut and used, the nut simple structure of this anticreep theftproof simultaneously, convenient to use is convenient, reliable and stable, and the security is high, consequently, the demand of safe handling can be satisfied to the nut of this anticreep theftproof.
In the second embodiment, when the anti-drop and anti-theft nut includes the screw 1, the first taper slot 101, the nut 2, the connection component a3, the connection component B4, the notch 5, the taper tetrahedron 6, the fixing cap 7, the fixture block 8, the four-sided taper slot 9, the inner slot 10, the fixing fastener 11, the second inverted T-shaped latch 1102 and the first spring 1103, the inner slot 10 is symmetrically arranged inside the fixing cap 7, the inner slot 10 is not communicated with the outside of the fixing cap 7, the first spring 1103 is connected between the inside of the inner slot 10 and the second inverted T-shaped latch 1102, and the positions and connection modes of other structures are the same as those of the first embodiment;
the anti-dropping and anti-theft effects achieved in the second embodiment are the best, but the nut 2 and the fixed sleeve cover 7 cannot be disassembled, and when the nut 2 and the screw rod 1 need to be disassembled, the nut 2 and the screw rod 1 can only be cut by a cutting machine, so that the nut 2 and the screw rod 1 cannot be reused;
the installation process comprises the following steps of; the fixing cap 7 is installed on the surface of the nut 2 and located on the upper portion of the screw 1, during installation, the two fixture blocks 8 are aligned with the two notches 5 and clamped into the two notches 5, and the conical tetrahedron 6 is aligned with the four-sided tapered slot 9 and inserted into the four-sided tapered slot 9, during the process of inserting into the four-sided tapered slot 9, the conical tetrahedron 6 firstly extrudes the second inverted T-shaped plug 1102 through the inclined surface of the end of the second inverted T-shaped plug 1102, so that the second inverted T-shaped plug 1102 compresses the first spring 1103, and after the second inverted T-shaped plug 1102 is aligned with the first tapered slot 101, the end of the second inverted T-shaped plug 1102 is inserted into the first tapered slot 101 through the elastic force of the first spring 1103, so that the fixing cap 7 is stably and firmly installed on the surface of the nut 2 and the upper portion of the screw 1 without falling off.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a nut of anticreep theftproof, includes screw rod (1), nut (2), adapting unit A (3) and adapting unit B (4), its characterized in that: screw rod (1) is connected between adapting unit A (3) and adapting unit B (4), the surface at screw rod (1) is connected in nut (2), two breach (5) have been seted up to the surface symmetry of nut (2), toper tetrahedron (6) have been seted up at the top of screw rod (1), fixed upper shield (7) have been installed on the surface of nut (2) and the upper portion that is located screw rod (1), two fixture blocks (8) are installed to the internal symmetry of fixed upper shield (7), two fixture blocks (8) joint are in the inside of two breach (5), four sides bell mouth (9) have been seted up at the inside top of fixed upper shield (7), toper tetrahedron (6) are pegged graft in the inside of four sides bell mouth (9), two inside grooves (10) have been seted up to the surface symmetry of fixed upper shield (7), two inside grooves (10) all communicate with fixed upper shield (7), fixed fastener (11) are all installed to the inside of two inside grooves (10).
2. The anti-drop and anti-theft nut as claimed in claim 1, wherein: the fixing clamping piece (11) comprises a first inverted T-shaped bolt (1101), a second inverted T-shaped bolt (1102) and a first spring (1103), the first inverted T-shaped bolt (1101) and the second inverted T-shaped bolt (1102) are installed at two ends inside the inner groove (10), and the first spring (1103) is connected between the first inverted T-shaped bolt (1101) and the second inverted T-shaped bolt (1102) and located in the middle of the inner groove (10).
3. The anti-drop and anti-theft nut as claimed in claim 2, wherein: inclined planes are arranged at the end parts of the first inverted T-shaped bolt (1101) and the second inverted T-shaped bolt (1102).
4. The anti-drop and anti-theft nut as claimed in claim 3, wherein: two first tapered slots (101) are symmetrically formed in the upper portion of the screw rod (1), and the second inverted T-shaped bolt (1102) is inserted into the first tapered slots (101) through the inclined surface.
5. The nut of claim 2, characterized in that: the bottom of the inner groove (10) is provided with a sliding inner groove (1106), the bottom of one end of the first inverted T-shaped bolt (1101) is provided with a sliding block (1105), the sliding block (1105) is slidably arranged in the sliding inner groove (1106), and a second spring (1104) is arranged between one side of the sliding block (1105) and one end of the sliding inner groove (1106).
6. The nut of claim 5, which is characterized in that: the surface mounting of fixed upper shield (7) has rotation upper shield (12), and the internally mounted of rotating upper shield (12) has protruding circle (13), and two second toper slots (14) have been seted up to the inboard symmetry of protruding circle (13), and first circle groove (15) have been seted up on the surface of fixed upper shield (7), and the inside in first circle groove (15) is installed in protruding circle (13), and the other end of first shape of falling T bolt (1101) is inconsistent with the inboard of protruding circle (13).
7. The anti-drop and anti-theft nut as claimed in claim 6, wherein: four third springs (16) are arranged at the bottom of the first ring groove (15) at equal intervals, abutting blocks (17) are arranged at the tops of the third springs (16), and the tops of the abutting blocks (17) abut against the bottom of the convex ring (13).
8. The nut of claim 7, which is characterized in that: the surface of the fixed sleeve cover (7) is provided with a second ring groove (18), two communication ports (19) are formed between the second ring groove (18) and the first ring groove (15), two inverted L-shaped clamping blocks (20) are annularly and equidistantly arranged in the rotating sleeve cover (12), and the two inverted L-shaped clamping blocks (20) are arranged in the second ring groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522586.2A CN114893491B (en) | 2022-05-14 | 2022-05-14 | Anti-drop anti-theft nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522586.2A CN114893491B (en) | 2022-05-14 | 2022-05-14 | Anti-drop anti-theft nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114893491A true CN114893491A (en) | 2022-08-12 |
| CN114893491B CN114893491B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210522586.2A Active CN114893491B (en) | 2022-05-14 | 2022-05-14 | Anti-drop anti-theft nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114893491B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789061A (en) * | 2023-02-07 | 2023-03-14 | 常州市恒瑞汽车科技有限公司 | Antitheft nut and nut assembly for locking automobile tire |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648293A (en) * | 1983-06-10 | 1987-03-10 | Mcgard, Inc. | Locknut and key therefor |
| CN201547109U (en) * | 2009-11-16 | 2010-08-11 | 浙江江山特种变压器有限公司 | Combined multifunctional anti-theft anti-loose fastener |
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| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
| CN216478362U (en) * | 2021-12-06 | 2022-05-10 | 大连卓鑫科技有限公司 | Anti-dismantling connecting piece |
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2022
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| US4648293A (en) * | 1983-06-10 | 1987-03-10 | Mcgard, Inc. | Locknut and key therefor |
| CN201547109U (en) * | 2009-11-16 | 2010-08-11 | 浙江江山特种变压器有限公司 | Combined multifunctional anti-theft anti-loose fastener |
| KR20140006162U (en) * | 2013-05-29 | 2014-12-09 | 덕원이엔티 주식회사 | Cap for bolt and nut |
| WO2018039948A1 (en) * | 2016-08-31 | 2018-03-08 | 杨东佐 | Fastening connection structure, fastening connection assembly and crankshaft connecting rod mechanism |
| CN209458254U (en) * | 2019-02-21 | 2019-10-01 | 江西成德紧固件有限公司 | A kind of detachable anti-theft bolt component |
| CN210318229U (en) * | 2019-06-13 | 2020-04-14 | 李宏益 | Raw materials back of body wheel with adjustable |
| CN110131282A (en) * | 2019-06-18 | 2019-08-16 | 海盐卫士标准件有限公司 | A kind of cold-resistant nut of railway |
| CN110285126A (en) * | 2019-07-25 | 2019-09-27 | 海盐宏合标准件有限公司 | A kind of multifunctional nut bolt assembly |
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| CN216478362U (en) * | 2021-12-06 | 2022-05-10 | 大连卓鑫科技有限公司 | Anti-dismantling connecting piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115789061A (en) * | 2023-02-07 | 2023-03-14 | 常州市恒瑞汽车科技有限公司 | Antitheft nut and nut assembly for locking automobile tire |
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|---|---|
| CN114893491B (en) | 2024-04-19 |
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