CN115263896A - Bolt and nut assembly with good anti-theft effect - Google Patents
Bolt and nut assembly with good anti-theft effect Download PDFInfo
- Publication number
- CN115263896A CN115263896A CN202211050315.8A CN202211050315A CN115263896A CN 115263896 A CN115263896 A CN 115263896A CN 202211050315 A CN202211050315 A CN 202211050315A CN 115263896 A CN115263896 A CN 115263896A
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- ring
- fixedly connected
- side wall
- nut
- dovetail
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- 230000000694 effects Effects 0.000 title claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- 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
- F16B41/002—Measures against loss of bolts, nuts or pins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a bolt-nut assembly with a good anti-theft effect, which comprises a bolt and a nut, wherein one end of a first cross rod is fixedly connected with one side wall of a vertical plate, one side wall of a second gear ring is fixedly connected with a rubber ring, one side wall of the rubber ring is attached to the side wall of the vertical plate, two arc plates are sequentially and fixedly connected in a closing mode, a second annular groove is formed in the outer arc surface of each arc plate, the section of a third dovetail groove is arc-shaped, the side wall of a third dovetail block is fixedly connected with the inner ring of the outer gear ring, two compression springs are arranged in the third dovetail groove and are arranged on two sides of the third dovetail block, the elastic force of each compression spring is far greater than that of a reset spring, the second annular ring is made of alloy steel materials, the T-shaped sliding rod and a rotating shaft are connected in a welding mode, the wall thickness range of the gear is 6mm-10mm, the limit of the nut can be realized, the fixation between the bolt and the nut is ensured, multiple times of debugging are needed for limiting the nut, the stealing time is effectively prolonged, and the use requirements are met.
Description
Technical Field
The invention relates to the technical field of theft prevention, in particular to a bolt and nut assembly with a good theft prevention effect.
Background
The bolt plays an important role in daily life, occupies a very important position in industrial production, is simple in model and too large in universality, so that the anti-theft performance of the bolt is very small, and in some occasions, the bolt is also a first pass for preventing theft, so that the anti-theft performance of the bolt must be taken into consideration; the existing anti-theft bolt has certain defects when in use, is expensive and small in matching performance, is insufficient for daily maintenance of the anti-theft bolt, has low anti-theft performance, single functionality and poor practicability, is easy to crack and split by lawless persons in a short time, causes inestimable loss, brings certain influence to the use process of people, and cannot meet the use requirement.
Disclosure of Invention
In order to solve the existing problems, the invention provides a bolt and nut assembly with good anti-theft effect.
The invention is realized by the following technical scheme:
a bolt and nut assembly with a good anti-theft effect comprises a bolt and a nut, wherein the bolt is matched with the nut, the outer cross section of the nut is circular, a barrel body is sleeved on the nut, the inner cross section of the barrel body is circular, the outer cross section of the barrel body is a regular polygon, the inner bottom surface of the barrel body is attached to the top surface of the nut, a first circular ring is arranged on the bottom surface of the barrel body in an attaching mode, the bottom surface of the first circular ring and the bottom surface of the barrel body are in the same plane, a first dovetail groove is annularly formed in the inner wall of the barrel body, a plurality of first dovetail blocks are slidably arranged in the first dovetail groove in an attaching mode, the side wall of each first dovetail block is fixedly connected with the outer arc surface of the first circular ring, the top surface of the first circular ring is fixedly connected with the bottom surface of the nut, an one-way bearing is fixedly sleeved on the nut and arranged in the barrel body, a first tooth ring is fixedly connected with a plurality of connecting rods in the annular shape of the first tooth ring, one end of the connecting rod is fixedly connected with the outer ring of the one-way bearing, the rotation direction of the inner ring of the one-way bearing is the same as the unscrewing direction of the bolt, a vertical plate is fixedly connected to the inner bottom surface of the barrel, a second toothed ring is arranged on one side of the vertical plate and meshed with the first toothed ring, a second dovetail groove is annularly formed in the side wall of the second toothed ring, a plurality of second dovetail blocks are arranged in the second dovetail groove in a laminating and sliding mode, a first cross rod is fixedly connected to the side wall of each second dovetail block, one end of each first cross rod is fixedly connected with one side wall of the vertical plate, a rubber ring is fixedly connected to one side wall of each second toothed ring, one side wall of each rubber ring is attached to the side wall of the vertical plate, a T-shaped sliding rod is attached to the other side wall of the second dovetail ring, the cross section of the cross rod of each T-shaped sliding rod is square, and the cross rod of the T-shaped sliding rod passes through the second toothed ring and is attached to the side wall of the vertical plate, the T-shaped slide bar cross bar is connected with the second gear ring in a sliding manner, a bearing is fixedly embedded in the inner side wall of the barrel, a reset spring is fixedly connected with the inner ring of the bearing, one end of the reset spring is fixedly connected with the side wall of the vertical bar of the T-shaped slide bar, the other side of the vertical bar is provided with a second ring, a plurality of positioning grooves are symmetrically formed in one side wall of the second ring, the outer ring of the second ring is fixedly connected with two second cross bars, one end of each second cross bar is fixedly connected with the other side wall of the vertical plate, one side of each second ring is provided with a rotating shaft, one end of each rotating shaft is fixedly connected with a tooth, only one side wall of each tooth is a plane, the other side walls of each tooth are cambered surfaces, the thickness of the teeth is gradually reduced in the direction away from the second ring, the other end of each rotating shaft sequentially penetrates through the second ring and the vertical plate and is fixedly connected with the side wall of the T-shaped slide bar, and the rotating shafts are respectively and rotatably connected with the second ring and the vertical plate, the section of the positioning groove is a right triangle, a positioning rod is arranged in the positioning groove in a fitting sliding manner, one end of the positioning rod is fixedly connected with the surface of the rotating shaft, the positioning groove is matched with the positioning rod, the plane of one side wall of the tooth is perpendicular to the plane of the two positioning rods, the outer ring of the nut is annularly provided with a first annular groove, the first annular groove is internally fixedly connected with two arc-shaped plates in a fitting manner, the two arc-shaped plates are sequentially and fixedly connected in a closing manner, the outer arc-shaped surface of each arc-shaped plate is annularly provided with a second annular groove, one end of the tooth is fixedly connected with a lug, the lug is hemispherical, the lug is inserted into the second annular groove, an outer tooth ring is sleeved on the two arc-shaped plates in a fitting rotating manner, the section of the tooth on the outer tooth ring is rectangular, the outer tooth ring is meshed with the tooth, a third dovetail groove is formed on the arc-shaped plate, and the section of the third dovetail groove is arc-shaped, the inner side of the third dovetail groove is provided with a third dovetail block in a fitting sliding manner, the side wall of the third dovetail block is fixedly connected with the inner ring of the outer gear ring, two compression springs are arranged in the third dovetail groove and are arranged on two sides of the third dovetail block, and the elastic force of the compression springs is far greater than that of the reset springs.
Preferably, the second ring is made of alloy steel materials.
Preferably, the T-shaped sliding rod and the rotating shaft are connected in a welding mode.
Preferably, the teeth have a wall thickness in the range of 6mm to 10mm.
Compared with the prior art, the invention has the beneficial effects that: this device simple structure, the function is various, therefore, the clothes hanger is strong in practicability, through setting up first ring, first dovetail piece, one-way bearing, the connecting rod, first ring gear, the riser, the second ring gear, second dovetail piece, first horizontal pole, the rubber ring, T shape slide bar, the bearing, reset spring, the second ring gear, the second horizontal pole, the rotation axis, the tooth, the locating lever, the arc, the lug, outer ring gear, third dovetail piece and compression spring can realize spacing to the nut, guarantee to fix between bolt and the nut, need carry out the debugging many times and come spacing to the nut, the time is stolen to effectual extension, satisfy the user demand.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a bottom view of the structure of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of the structure of the present invention;
FIG. 4 is a partial top view of the structure of the present invention;
FIG. 5 is a cross-sectional view B-B of the structure of the present invention;
FIG. 6 is a partial left side view of the structure of the present invention;
FIG. 7 is a block diagram of structural component 17 of the present invention;
FIG. 8 is a block diagram of the structural part 20 of the present invention;
FIG. 9 is an enlarged view of a portion of the structure of the present invention;
FIG. 10 is a schematic representation of the operation of the structure of the present invention;
fig. 11 is a schematic diagram of the operation of the structure of the present invention.
In the figure: the device comprises a bolt 1, a cylinder 2, a nut 3, a first ring 4, a first dovetail block 5, a one-way bearing 6, a connecting rod 7, a first toothed ring 8, a vertical plate 9, a second toothed ring 10, a second dovetail block 11, a first cross rod 12, a rubber ring 13, a T-shaped slide rod 14, a bearing 15, a return spring 16, a second ring 17, a second cross rod 18, a rotating shaft 19, teeth 20, a positioning rod 21, an arc-shaped plate 22, a bump 23, an outer toothed ring 24, a third dovetail block 25, a compression spring 26, a first dovetail groove 2-1, a first annular groove 3-1, a second dovetail groove 10-1, a positioning groove 17-1, a second annular groove 22-1 and a third dovetail groove 22-2.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in figures 1-11, a bolt and nut assembly with good anti-theft effect comprises a bolt 1 and a nut 3, wherein the bolt 1 is matched with the nut 3, the outer section of the nut 3 is circular, a barrel 2 is sleeved on the nut 3, the inner section of the barrel 2 is circular, the outer section of the barrel 2 is regular polygon, the inner bottom surface of the barrel 2 is attached to the top surface of the nut 3, a first ring 4 is attached to the bottom surface of the barrel 2, the bottom surface of the first ring 4 and the bottom surface of the barrel 2 are positioned on the same plane, a first dovetail groove 2-1 is annularly opened on the inner wall of the barrel 2, a plurality of first dovetail blocks 5 are slidably attached to the inner bottom surface of the first dovetail groove 2-1, the side wall of the first dovetail block 5 is fixedly connected with the outer arc surface of the first ring 4, the top surface of the first ring 4 is fixedly connected with the bottom surface of the nut 3, a one-way bearing 6 is fixedly sleeved on the nut 3, the one-way bearing 6 is arranged in the barrel 2, a first dovetail block 8 is arranged on the top surface of the barrel 2, a first dovetail block is fixedly connected with the inner side wall of the first dovetail block, a second dovetail block 10, a connecting rod 7 is fixedly connected with a second dovetail block 10, a second dovetail block 12 is fixedly connected with the inner ring 10, a second dovetail block 10 is connected with a connecting rod 12 is fixedly connected with the inner ring 10, a second dovetail block 10, a second dovetail block is fixedly connected with a connecting rod 10, a connecting rod 12 is fixedly connected with a second dovetail block 10, a connecting rod is connected with a first dovetail block 10, a connecting rod is fixedly connected with a first dovetail block 12 is fixedly connected with the inner ring 10, a second dovetail block 12 is fixedly connected with a second dovetail block 10, a second dovetail block 10 is connected with a connecting rod is fixedly connected with the inner ring 10, a first dovetail block 10, a second dovetail block 12 is connected with a first dovetail block 10, the rubber ring 13 has one side wall attached to the side wall of the vertical plate 9, the other side wall of the second gear ring 10 is attached to a T-shaped slide bar 14, the cross section of a vertical bar of the T-shaped slide bar 14 is square, a horizontal bar of the T-shaped slide bar 14 passes through the second gear ring 10 and is attached to the side wall of the vertical plate 9, the horizontal bar of the T-shaped slide bar 14 is slidably connected to the second gear ring 10, a bearing 15 is fixedly embedded in the inner side wall of the barrel 2, a reset spring 16 is fixedly connected to the inner ring of the bearing 15, one end of the reset spring 16 is fixedly connected to the vertical bar side wall of the T-shaped slide bar 14, the other side of the vertical plate 9 is provided with a second circular ring 17, a plurality of positioning grooves 17-1 are symmetrically formed in one side wall of the second circular ring 17, the outer ring of the second circular ring 17 is fixedly connected to two second horizontal bars 18, one end of the second horizontal bar 18 is fixedly connected to the other side wall of the vertical plate 9, one side of the second circular ring 17 is provided with a rotating shaft 19, one end of the rotating shaft 19 is fixedly connected to a tooth 20, only one side wall of the tooth 20 is a plane, the tooth 20 is a cambered surface, the other side wall of the tooth 20 is a positioning groove 20, the tooth 20 is connected to the positioning groove 21, the positioning groove 21 is connected to the second circular ring 17, the rotating shaft 21, the positioning rod 21 is connected to the positioning groove 21, the positioning rod 21, the rotating shaft 21 is connected to the vertical ring 17, the rotating shaft 21 is connected to the rotating shaft 21, the positioning groove 21-1, the rotating shaft 21 is connected to the rotating shaft 21, the positioning groove 21 is connected to the rotating ring 17, the rotating shaft 21, the positioning groove 21 is connected to the rotating shaft 21, the inner side of the first annular groove 3-1 is fixedly connected with two arc-shaped plates 22 in an attached mode, the two arc-shaped plates 22 are sequentially and fixedly connected in an ending mode, the outer arc surface of each arc-shaped plate 22 is annularly provided with a second annular groove 22-1, one end of each tooth 20 is fixedly connected with a lug 23, the lug 23 is hemispherical, the lug 23 is inserted into the second annular groove 22-1, the two arc-shaped plates 22 are attached to form a rotary sleeve, an outer gear ring 24 is sleeved on the outer gear ring 22 in an attached mode, the cross section of each outer gear ring 24 is rectangular, the outer gear ring 24 is meshed with the corresponding tooth 20, the arc-shaped plates 22 are provided with third dovetail grooves 22-2, the cross sections of the third dovetail grooves 22-2 are arc-shaped, third dovetail blocks 25 are slidably arranged in the third dovetail grooves 22-2 in an attached mode, the side walls of the third dovetail blocks 25 are fixedly connected with the inner rings of the outer gear rings 24, two compression springs 26 are arranged in the third dovetail grooves 22-2, the two compression springs 26 are arranged on two sides of the third dovetail blocks 25, and the elastic force of the compression springs 26 is far greater than the elastic force of the reset spring 16.
The second ring 17 is made of alloy steel material.
The T-shaped sliding rod 14 and the rotating shaft 19 are connected in a welding mode.
The teeth 20 have a wall thickness in the range of 6mm to 10mm.
The working principle is as follows: when the device needs to be fixed and anti-theft, the device replaces the traditional bolt and nut to be screwed and fixed, firstly, the bolt 1 penetrates through a reserved hole of the device, then, the scale on the bottom surface of the cylinder body 2 is observed, the first ring 4 is grasped, then the cylinder body 2 is rotated to a certain scale, the cylinder body 2 drives the vertical plate 9 to rotate, the vertical plate 9 drives the rotating shaft 19 to revolve around the nut 3, the rotating shaft 19 drives the teeth 20 to rotate on the outer ring 24, the outer ring 24 pushes the teeth 20 to move transversely, the teeth 20 drive the rotating shaft 19 to move, the rotating shaft 19 drives the T-shaped sliding rods 14 to move and extrude the reset springs 16 to deform, the rotating shaft 19 drives the T-shaped sliding rods 14 to rotate, the vertical plate 9 drives the first cross rod 12 to rotate, the first cross rod 12 drives the second dovetail block 11 to rotate, the second dovetail block 11 drives the second ring 10 to rotate around the nut 3, the first ring 8 drives the connecting rod 7 to rotate, the connecting rod 7 drives the one-way bearing 6 to rotate, the outer ring 6 drives the second ring 10 to rotate, the second ring 10 to drive the second ring 10 to rotate, the second ring 4 to prevent the second ring 4 from rotating, the second ring 10 from rotating, the second ring 4 from rotating, the rotating ring 10, the second ring 10 can not rotate around the second ring 4, the second ring 10, the rubber ring 4, the second ring 10, the first ring 4, the second ring 10, the rubber ring 4 can not rotate indirectly rotate, the second ring 4, the rubber ring 10, the rubber ring 4 can prevent the second ring 4 from rotating ring 10 from rotating around the rotating ring 10, the rotating ring 4 from rotating around the rotating ring 4 from rotating, at the rotating ring 10, the rotating around the second ring 4 from rotating, at the rotating around the second ring 4, the T-shaped sliding rod 14 drives the return spring 16 to rotate, the return spring 16 drives the inner ring of the bearing 15 to rotate, the T-shaped sliding rod 14 drives the rotating shaft 19 to rotate, the rotating shaft 19 drives the teeth 20 to rotate, the teeth 20 drive the lugs 23 to rotate, the rotating shaft 19 drives the locating rod 21 to rotate on the side wall of the second ring 17, when the locating rod 21 is right opposite to the locating slot 17-1, the return spring 16 drives the T-shaped sliding rod 14 to push the rotating shaft 19 to move, the rotating shaft 19 drives the locating rod 21 to be instantly inserted into the locating slot 17-1, the rotating shaft 19 drives the teeth 20 to move to be meshed with the outer toothed ring 24, the teeth 20 drives the lugs 23 to move to be inserted into the second ring slot 22-1, at the moment, a plane of the teeth 20 is just rotated to be vertical and just attached to the side wall of the teeth on the outer toothed ring 24, as shown in figure 4, the teeth 20 limit the outer toothed ring 24 to make the outer toothed ring 24 not rotate, the outer gear ring 24 cannot rotate to make the third dovetail block 25 unable to rotate, because the elastic force of the compression spring 26 is large enough to make the arc plate 22 unable to rotate, the arc plate 22 cannot rotate to make the nut 3 unable to rotate, thereby realizing the limit of the nut 3, then screwing the bolt 1 and the nut 3 to match and tighten the equipment, realizing the fixation of the equipment, when a thief steals the equipment, the bolt 1 and the nut 3 need to be separated, the bolt 1 is screwed along the unscrewing direction of the bolt 1, the bolt 1 drives the nut 3 to rotate, the nut 3 drives the inner ring of the one-way bearing 6 to rotate, the nut 3 drives the arc plate 22 to rotate, the arc plate 22 drives the compression spring 26 to rotate, the compression spring 26 drives the third dovetail block 25 to rotate, the third dovetail block 25 drives the outer gear ring 24 to rotate, the outer gear ring 24 rotates to push the teeth 20 to transversely move, the teeth 20 drives the lug 23 to move and slide out of the second annular groove 22-1, the teeth 20 drive the rotating shaft 19 to move, the rotating shaft 19 drives the T-shaped sliding rod 14 to move to extrude the reset spring 16, the arc surface of the teeth 20 cannot limit the outer toothed ring 24 at the moment, the barrel 2 needs to be rotated to indirectly drive the teeth 20 to rotate to adjust the position of the plane of the teeth 20, a thief cannot know the specific rotating angle to ensure that the plane of the teeth 20 is attached to the tooth side wall of the outer toothed ring 24 again, the position of the teeth 20 needs to be debugged for knowing many times, if the specific rotating angle of the barrel 2 cannot be known, the positioning rod 21 cannot be ensured to be just inserted into the positioning groove 17-1, the teeth 20 cannot limit the outer toothed ring 24 at the moment, when the outer toothed ring 24 rotates, the arc pushes the lug 23 to move, the lug 23 pushes the teeth 20 to move, thereby effectively prolonging the stealing time, as shown in FIG. 11, when the equipment needs to be disassembled, a worker firstly works the clamp to clamp the bolt 1, then observing the scale on the bottom surface of the cylinder 2, enabling the scale rotation movement angle on the bottom surface of the cylinder 2 to be exactly corresponding to the scale on the bottom surface of the first circular ring 4, enabling the cylinder 2 to indirectly drive the teeth 20 to rotate, enabling a plane of the teeth 20 to be exactly corresponding to the tooth side wall on the outer tooth ring 24 after rotating for a certain angle, enabling the reset spring 16 to indirectly push the positioning rod 21 to be instantly clamped in the positioning groove 17-1, enabling the reset spring 16 to indirectly drive the teeth 20 to move to be matched with the outer tooth ring 24, enabling the plane of the teeth 20 to be exactly attached to the tooth side wall on the outer tooth ring 24 at the moment, further realizing the limit of the teeth 20 to the outer tooth ring 24, enabling the outer tooth ring 24 not to rotate, enabling the nut 3 not to rotate indirectly due to the incapability of the rotation of the outer tooth ring 24, as shown in figure 10, then screwing the bolt 1 and the nut 3 to separate, arranging a plurality of third dovetail blocks 25 and compression springs 26, when the plane of the teeth 20 is exactly attached to the tooth side wall on the outer tooth ring 24, when the teeth 20 rotate again, the outer gear ring 24 can be pushed to slightly rotate, the rotation of the teeth 20 cannot be limited, normal work of the device is guaranteed, the reset spring 16 is arranged to have an effective reset effect, the connecting rod 7, the first cross rod 12 and the second cross rod 18 are arranged to have a connecting and fixing effect, and the stability of the device is guaranteed.
The foregoing illustrates and describes the principles, general features, and 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, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an effectual bolt and nut subassembly prevents burglary, includes bolt (1) and nut (3), bolt (1) and nut (3) phase-match, nut (3) outer cross-section is circular, its characterized in that: the barrel (2) is sleeved on the nut (3), the inner section of the barrel (2) is circular, the outer section of the barrel (2) is a regular polygon, the inner bottom surface of the barrel (2) is attached to the top surface of the nut (3), the bottom surface of the barrel (2) is attached to a first ring (4), the bottom surface of the first ring (4) is in the same plane with the bottom surface of the barrel (2), a first dovetail groove (2-1) is annularly opened on the inner wall of the barrel (2), a plurality of first dovetail blocks (5) are slidably arranged in the first dovetail groove (2-1), the side wall of each first dovetail block (5) is fixedly connected with the outer arc surface of the first ring (4), the top surface of the first ring (4) is fixedly connected with the bottom surface of the nut (3), a fixed bearing (6) is arranged on the nut (3), the one-way bearing (6) is arranged in the barrel (2), the inner top surface of the barrel (2) is attached to a first ring (8), a plurality of fixed connecting rods (7) are fixedly connected with the inner ring (7), and a plurality of connecting rods (7) are fixedly connected with the inner ring (9) in the direction of the one-way bearing (7), and the one-way bearing (9) is connected with the one-way bearing (6) in the direction of the one-way bearing (9) and the one-way bearing, the device is characterized in that a second toothed ring (10) is arranged on one side of the vertical plate (9), the second toothed ring (10) is meshed with the first toothed ring (8), a second dovetail groove (10-1) is annularly formed in the side wall of the second toothed ring (10), a plurality of second dovetail blocks (11) are arranged in the second dovetail groove (10-1) in a matching and sliding mode, a first cross rod (12) is fixedly connected to the side wall of each second dovetail block (11), one end of each first cross rod (12) is fixedly connected with one side wall of the vertical plate (9), a rubber ring (13) is fixedly connected to one side wall of each second toothed ring (10), one side wall of each rubber ring (13) is matched with the side wall of the vertical plate (9), a T-shaped sliding rod (14) is arranged in a matching mode, the cross section of the vertical rod (14) is square, the cross rod of each T-shaped sliding rod (14) penetrates through the second toothed ring (10) and is matched with the side wall of the vertical plate (9), a T-shaped sliding rod (14) is fixedly connected with the second toothed ring (10), and a bearing (15) is fixedly connected with the inner side wall of a return spring (17), a plurality of positioning grooves (17-1) are symmetrically formed in one side wall of the second ring (17), two second cross rods (18) are fixedly connected to the outer ring of the second ring (17), one end of each second cross rod (18) is fixedly connected with the other side wall of the vertical plate (9), a rotating shaft (19) is arranged on one side of the second ring (17), one end of each rotating shaft (19) is fixedly connected with a tooth (20), only one side wall of each tooth (20) is a plane, other side walls of the teeth (20) are arc surfaces, the thickness of the teeth (20) is gradually reduced towards the direction far away from the second ring (17), the other end of each rotating shaft (19) sequentially penetrates through the second ring (17) and the vertical plate (9) and is fixedly connected with the side wall of the cross rod of the T-shaped sliding rod (14), the rotating shafts (19) are respectively and rotatably connected with the second ring (17) and the vertical plate (9), the cross sections of the positioning grooves (17-1) are right-angled triangles, positioning rods (21) are arranged in the positioning grooves (17-1) in a laminating sliding mode, one end of each positioning rod (21) is fixedly connected with the surface of the rotating shaft (19), nuts (17-1) are matched with the positioning grooves (3) and are arranged on the two side walls of the plane of the annular grooves (3), the novel elastic dovetail block is characterized in that two arc-shaped plates (22) are fixedly connected in a fit mode in the first annular groove (3-1), the two arc-shaped plates (22) are fixedly connected in turn in a close mode, a second annular groove (22-1) is formed in the outer arc surface of each arc-shaped plate (22) in an annular mode, a protruding block (23) is fixedly connected at one end of each tooth (20), the shape of each protruding block (23) is hemispherical, each protruding block (23) is inserted into the corresponding second annular groove (22-1), an outer toothed ring (24) is sleeved on each arc-shaped plate (22) in a fit mode in a rotating mode, a tooth section on each outer toothed ring (24) is rectangular, each outer toothed ring (24) is meshed with the corresponding tooth (20), a third dovetail groove (22-2) is formed in the arc-shaped plates (22), the cross section of each third dovetail groove (22-2) is arc-shaped, a third dovetail block (25) is arranged in a fit sliding mode in the third dovetail groove (22-2), the side wall of each third dovetail block (25) is fixedly connected with the inner ring of the corresponding outer toothed ring (24), two compression springs (26) are arranged on two sides of the elastic compression springs (16), and the two compression springs (26) are far away from two sides.
2. The bolt and nut assembly with good anti-theft effect according to claim 1, characterized in that: the second circular ring (17) is made of alloy steel materials.
3. The bolt and nut assembly with good anti-theft effect according to claim 1, characterized in that: the T-shaped sliding rod (14) and the rotating shaft (19) are connected in a welding mode.
4. The bolt and nut assembly with good anti-theft effect according to claim 1, characterized in that: the range of the wall thickness of the teeth (20) is 6mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211050315.8A CN115263896A (en) | 2022-08-31 | 2022-08-31 | Bolt and nut assembly with good anti-theft effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211050315.8A CN115263896A (en) | 2022-08-31 | 2022-08-31 | Bolt and nut assembly with good anti-theft effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115263896A true CN115263896A (en) | 2022-11-01 |
Family
ID=83753957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211050315.8A Withdrawn CN115263896A (en) | 2022-08-31 | 2022-08-31 | Bolt and nut assembly with good anti-theft effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115263896A (en) |
-
2022
- 2022-08-31 CN CN202211050315.8A patent/CN115263896A/en not_active Withdrawn
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Application publication date: 20221101 |