CN115614366A - Double-nut bolt assembly with good stability - Google Patents
Double-nut bolt assembly with good stability Download PDFInfo
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- CN115614366A CN115614366A CN202211230735.4A CN202211230735A CN115614366A CN 115614366 A CN115614366 A CN 115614366A CN 202211230735 A CN202211230735 A CN 202211230735A CN 115614366 A CN115614366 A CN 115614366A
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- nut
- disc
- ring
- fixedly connected
- screw head
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- 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
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- 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
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- 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
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a double-nut bolt component with good stability, which comprises a first nut, a screw head and a second nut, wherein the bottom end of a supporting rod is fixedly connected with the inner bottom surface of the screw head, the bottom surface of an external thread cylinder is fixedly connected with a rubber ring, the top surface of a disc is provided with a threaded rod in an attaching manner, the bottom end of the threaded rod penetrates through the disc and penetrates into the screw head, the bottom surface of the first gear is attached to the inner bottom surface of the screw head, the threaded rod is rotatably connected with the disc, a second vertical rod is made of alloy steel materials, the disc is connected with a cylinder body in a welding manner, the wall thickness range of a second T-shaped sliding rod is 4-6 mm, the threaded rod and the second nut can be connected and fixed while the external thread cylinder and the first nut are connected and fixed, mutual locking operation between the external thread cylinder and the first nut and the connection stability between the threaded rod and the second nut are improved, and therefore the stability of equipment is indirectly improved, and the use requirements are met.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to a double-nut bolt assembly with good stability.
Background
The bolt is a detachable connection, the bolt is widely applied in the mechanical configuration industry, the bolt needs to be matched with the nut for use under most conditions, the bolt is connected under long-time use, the bolt is easily loosened and falls off due to manual error collision of the bolt and the nut or various reasons, so that the bolt connection fails, potential safety hazards exist, and the use requirement cannot be met.
Disclosure of Invention
In order to solve the above problems, the present invention provides a double nut bolt assembly having good stability.
The invention is realized by the following technical scheme:
a double-nut bolt component with good stability comprises a first nut, a nut head and a second nut, wherein the thread direction of the first nut is opposite to the thread direction of the second nut, the plane of the bottom surface of the first nut is higher than the plane of the bottom surface of the second nut, the top end of the nut head is of a hollow structure, the second nut is arranged in the first nut, the first nut is arranged right above the nut head, a first dovetail groove is annularly formed in the inner wall of the first nut, two first dovetail blocks are symmetrically attached and slidably arranged in the first dovetail groove, a transverse pipe is fixedly connected to the side wall of each first dovetail block, one end of each transverse pipe is fixedly connected with the outer wall of the second nut, a plurality of grooves are annularly formed in the inner wall of the first nut, the inner cross section and the outer cross section of each transverse pipe are square, a first T-shaped sliding rod is slidably arranged in each transverse pipe, one end of each first T-shaped sliding rod is a cambered surface, the transverse pipe is internally provided with a reset spring, the first T-shaped sliding rod penetrates through the first dovetail block and penetrates into a groove, the groove is semicircular, the first T-shaped sliding rod is connected with the first dovetail block in a sliding manner, the bottom surface of the transverse pipe is fixedly connected with a first vertical rod, the bottom surface of the transverse pipe is provided with a second through hole, the bottom end of the first vertical rod is fixedly connected with a second T-shaped sliding rod, the bottom surface of the second T-shaped sliding rod and the bottom surface of a second nut are positioned on the same plane, an external thread cylinder is arranged in the screw head in a sliding manner, the bottom end of the external thread cylinder penetrates out of the screw head and is attached to the bottom surface of the first nut, the external thread cylinder is rotatably connected with the screw head, the first nut is matched with the external thread cylinder, the side wall of the external thread cylinder is symmetrically provided with two sliding grooves, the width of the sliding grooves is equal to the width of the transverse pipe, the sliding grooves are matched with the transverse pipe, one end of the second T-shaped sliding rod is slidably arranged in the sliding manner, the screw head inner wall is fixedly connected with a bearing, the bearing inner ring is fixedly connected with the outer wall of the external screw thread cylinder, the bottom surface of the bearing inner ring is fixedly connected with a first brake ring, a disc is arranged in the external screw thread cylinder in a laminating and rotating manner, the top surface of the disc and the top surface of the screw head are positioned on the same plane, the bottom surface of the disc is fixedly connected with a plurality of support rods, the bottom end of each support rod is fixedly connected with the inner bottom surface of the screw head, the bottom surface of the external screw thread cylinder is fixedly connected with a rubber ring, the top surface of the disc is provided with a threaded rod, the threaded rod is arranged under the second nut and matched with the second nut, the bottom end of the threaded rod penetrates through the disc and penetrates into the screw head and is fixedly connected with a first gear, the bottom surface of the first gear is laminated with the inner bottom surface of the screw head, the threaded rod is rotatably connected with the disc, two limit rings are fixedly sleeved on the threaded rod, and are arranged at two ends of the disc and are laminated with the surface of the disc, the outer thread cylinder is internally provided with a second vertical rod which is arranged under the second through hole and is matched with the second through hole, the surface of the second vertical rod is annularly provided with a guide groove, the other end of the second T-shaped slide rod is inserted into the guide groove, the bottom surface of the other end of the second T-shaped slide rod is a cambered surface, the top surface of the disc is attached and rotatably embedded with an one-way bearing, the rotating direction of the inner ring of the one-way bearing is the same as the screwing direction of a second nut thread, the side wall of the disc is annularly provided with a second dovetail groove, a plurality of second dovetail blocks are attached and slidably arranged in the second dovetail groove, the side wall of each second dovetail block is fixedly connected with the outer ring of the one-way bearing, the top surface of the disc is fixedly connected with a cylinder body, the bottom end of the second vertical rod sequentially penetrates through the cylinder body and the one-way bearing and penetrates into the screw head and is fixedly connected with a second gear, the second gear is meshed with the first gear, the second vertical rod is not in contact with the barrel, the second vertical rod is fixedly connected with the inner ring of the one-way bearing, a spring is fixedly sleeved on the second vertical rod, the spring is arranged in the barrel, the other end of the spring is fixedly connected with the inner wall of the barrel, the cross section of the second vertical rod is circular, a second brake ring is sleeved on the second vertical rod, the top surface of the second brake ring is fixedly connected with the bottom surface of the outer ring of the one-way bearing, a third brake ring is sleeved on the second vertical rod, the cross section of the third brake ring is L-shaped, the top surface of the third brake ring is attached to the bottom surface of the second brake ring, the other top surface of the third brake ring is attached to the bottom surface of the rubber ring, a third dovetail groove is annularly formed in the top surface of the second gear, two third dovetail blocks are slidably attached to the bottom surface of the third dovetail groove, a plurality of telescopic rods are fixedly connected to the top surface of the third brake ring, the top end of each telescopic rod is fixedly connected with the bottom surface of the third brake ring, a compression spring is sleeved on the bottom surface of the third dovetail groove, a first through hole is arranged right below the pull ring, and a first through hole is arranged above the brake ring.
Preferably, the second vertical rod is made of alloy steel materials.
Preferably, the connection mode of the disc and the cylinder body adopts welding.
Preferably, the wall thickness of the second T-shaped slide bar ranges from 4mm to 6mm.
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 montant, second T shape slide bar, an external screw thread section of thick bamboo, a bearing, first brake ring, the disc, the bracing piece, the pull ring, the rubber ring, the threaded rod, first gear, the spacing ring, the second montant, one-way bearing, second dovetail block, the second gear, the barrel, the clockwork spring, the second brake ring, the third brake ring, third dovetail block, multisection telescopic link, compression spring can realize that an external screw thread section of thick bamboo is connected fixedly with first nut and realizes that the connection of threaded rod and second nut is fixed, realize mutual locking operation each other simultaneously, increase the stability of being connected between an external screw thread section of thick bamboo and first nut and threaded rod and the second nut, thereby indirectly increase the stability of equipment, satisfy the user demand.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 in accordance with the present invention;
FIG. 4 is a top view of the structure of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view A-A of the structure of the present invention;
FIG. 6 is a B-B cross-sectional view of the structure of the present invention;
FIG. 7 is a block diagram of a part 20 of the structure of the present invention;
FIG. 8 is an enlarged view of a portion of the structure of the present invention;
FIG. 9 is a schematic representation of the operation of the arrangement of the present invention;
FIG. 10 is a schematic representation of the operation of the structure of the present invention;
fig. 11 is a partial enlarged view of the structural diagram 10 according to the present invention.
In the figure: the brake device comprises a first nut 1, a screw head 2, a second nut 3, a first dovetail block 4, a transverse pipe 5, a first T-shaped sliding rod 6, a return spring 7, a first vertical rod 8, a second T-shaped sliding rod 9, an external thread cylinder 10, a bearing 11, a first brake ring 12, a disc 13, a supporting rod 14, a pull ring 15, a rubber ring 16, a threaded rod 17, a first gear 18, a limiting ring 19, a second vertical rod 20, a one-way bearing 21, a second dovetail block 22, a second gear 23, a cylinder body 24, a spiral spring 25, a second brake ring 26, a third brake ring 27, a third dovetail block 28, a multi-section telescopic rod 29, a compression spring 30, a first dovetail groove 1-1, a groove 1-2, a first through hole 2-1, a second through hole 5-1, a sliding groove 10-1, a second dovetail groove 13-1, a guide groove 20-1 and a third dovetail groove 23-1.
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments:
as shown in fig. 1-11, a double-nut bolt assembly with good stability comprises a first nut 1, a nut head 2 and a second nut 3, wherein the thread direction of the first nut 1 is opposite to the thread direction of the second nut 3, the plane of the bottom surface of the first nut 1 is higher than the plane of the bottom surface of the second nut 3, the top end of the nut head 2 is of a hollow structure, the second nut 3 is arranged in the first nut 1, the first nut 1 is arranged right above the nut head 2, a first dovetail groove 1-1 is annularly formed in the inner wall of the first nut 1, two first dovetail blocks 4 are symmetrically attached and slidably arranged in the first dovetail groove 1-1, a transverse pipe 5 is fixedly connected to the side wall of the first dovetail block 4, one end of the transverse pipe 5 is fixedly connected to the outer wall of the second nut 3, a plurality of grooves 1-2 are annularly formed in the inner wall of the first nut 1, the cross section of the inner and outer sides of the transverse pipe 5 is square, a first T-shaped slide bar 6 is arranged in the transverse pipe 5 in a fitting sliding manner, one end of a cross bar of the first T-shaped slide bar 6 is a cambered surface, a reset spring 7 is arranged in the transverse pipe 5, the cross bar of the first T-shaped slide bar 6 penetrates through a first dovetail block 4 and penetrates into a groove 1-2, the shape of the groove 1-2 is semicircular, the cross bar of the first T-shaped slide bar 6 is in sliding connection with the first dovetail block 4, the bottom surface of the transverse pipe 5 is fixedly connected with a first vertical bar 8, the bottom surface of the transverse pipe 5 is provided with a second through hole 5-1, the bottom end of the first vertical bar 8 is fixedly connected with a second T-shaped slide bar 9, the bottom surface of the second T-shaped slide bar 9 and the bottom surface of a second nut 3 are positioned on the same plane, an external thread cylinder 10 is arranged in the screw head 2 in a fitting sliding manner, the bottom end of the external thread cylinder 10 penetrates through the screw head 2 and is fitted with the bottom surface of the first nut 1, the screw head is characterized in that the external thread cylinder 10 is rotationally connected with the screw head 2, the first nut 1 is matched with the external thread cylinder 10, two sliding grooves 10-1 are symmetrically formed in the side wall of the external thread cylinder 10, the width of each sliding groove 10-1 is equal to the width of the transverse pipe 5, the sliding grooves 10-1 are matched with the transverse pipe 5, one end of the second T-shaped sliding rod 9 is arranged in the sliding groove 10-1 in a fitting and sliding mode, a bearing 11 is fixedly connected to the inner wall of the screw head 2, the inner ring of the bearing 11 is fixedly connected with the outer wall of the external thread cylinder 10, the bottom surface of the inner ring of the bearing 11 is fixedly connected with a first brake ring 12, a disc 13 is rotatably arranged in the external thread cylinder 10 in a fitting mode, the top surface of the disc 13 and the top surface of the screw head 2 are positioned on the same plane, a plurality of supporting rods 14 are fixedly connected to the bottom surface of the disc 13, the bottom surface of the supporting rods are fixedly connected with the bottom surface of the screw head 2, and a rubber ring 16 is fixedly connected to the bottom surface of the external thread cylinder 10, the top surface of the disc 13 is provided with a threaded rod 17 in a fitting manner, the threaded rod 17 is arranged under the second nut 3 and is matched with the second nut, the bottom end of the threaded rod 17 penetrates through the disc 13 and penetrates into the screw head 2 and is fixedly connected with a first gear 18, the bottom surface of the first gear 18 is fitted with the bottom surface of the screw head 2, the threaded rod 17 is rotatably connected with the disc 13, the threaded rod 17 is fixedly sleeved with two limit rings 19, the two limit rings 19 are arranged at the two ends of the disc 13 and are fitted with the surface of the disc 13, a second vertical rod 20 is arranged in the external thread cylinder 10, the second vertical rod 20 is arranged under the second through hole 5-1 and is matched with the second through hole, the surface of the second vertical rod 20 is annularly provided with a guide groove 20-1, the other end of the second T-shaped slide rod 9 is inserted into the guide groove 20-1, the bottom surface of the other end of the second T-shaped slide rod 9 is an arc surface, the top surface of the disc 13 is fitted with a rotary one-way bearing 21 in a rotary manner, the rotating direction of an inner ring of the one-way bearing 21 is the same as the screwing direction of a thread of the second nut 3, a second dovetail groove 13-1 is annularly formed in the side wall of the disc 13, a plurality of second dovetail blocks 22 are slidably arranged in the second dovetail groove 13-1 in a fitting manner, the side wall of each second dovetail block 22 is fixedly connected with an outer ring of the one-way bearing 21, a cylinder 24 is fixedly connected to the top surface of the disc 13, the bottom end of each second vertical rod 20 sequentially penetrates through the cylinder 24 and the one-way bearing 21 and penetrates into the screw head 2 and is fixedly connected with a second gear 23, the second gear 23 is meshed with the first gear 18, the second vertical rod 20 is not in contact with the cylinder 24, the second vertical rod 20 is fixedly connected with the inner ring of the one-way bearing 21, a spring 25 is fixedly sleeved on the second vertical rod 20, the spring 25 is arranged in the cylinder 24, the other end of the spring 25 is fixedly connected with the inner wall of the cylinder 24, the cross section of the second vertical rod 20 is circular, a second brake ring 26 is sleeved on the second vertical rod 20, a brake ring 27, a third brake ring 27 is fixedly connected with a third brake ring 27, a third brake ring 27 is connected with a third brake ring 27, a brake ring 27 is connected with a brake ring 16, a brake ring 27 is arranged on the top surface of a brake ring 16, a brake ring 27, the bottom surface of the third brake ring 27 is fixedly connected with the pull ring 15, the bottom surface of the screw head 2 is provided with a first through hole 2-1, the first through hole 2-1 is arranged under the pull ring 15, and the third brake ring 27 is arranged obliquely above the first brake ring 12.
The second vertical rod 20 is made of alloy steel material.
The disc 13 and the cylinder 24 are connected by welding.
The wall thickness of the second T-shaped sliding rod 9 ranges from 4mm to 6mm.
The working principle is as follows: when the equipment needs to be screwed and fastened, the device replaces the traditional bolt and nut to be screwed and fixed, firstly, the screw head 2 is moved, the screw head 2 drives the bearing 11 to move, the bearing 11 drives the external thread cylinder 10 to move and penetrate through a reserved hole of the equipment, then, the second nut 3 is moved to be arranged right above the threaded rod 17, the second nut 3 drives the transverse pipe 5 to move, the transverse pipe 5 drives the second through hole 5-1 to move right above the second vertical rod 20, the transverse pipe 5 drives the first vertical rod 8 to move, the first vertical rod 8 drives the second T-shaped slide rod 9 to move and be inserted into a sliding groove 10-1, then, the second nut 3 is screwed clockwise, at the moment, the threaded rod 17 cannot rotate clockwise, because the one-way bearing 21 limits the second vertical rod 20, so that the second vertical rod 20 cannot rotate, the second vertical rod 20 cannot rotate so that the second gear 23 cannot rotate, the second gear 23 cannot rotate so that the first gear 18 cannot rotate, the first gear 18 cannot rotate so that the limiting of the second threaded rod 17 is realized, the limiting nut 3 moves on the threaded rod 17, the surface of the second vertical rod 3 rotates, the second slide rod 3 drives the T-shaped slide rod 1 to move, the transverse pipe 5 to move, the transverse groove 9, when the first nut 1 and the second T-shaped slide rod 1 drives the transverse pipe 9 to move, the transverse pipe 1 to move, the transverse limiting block 9, the transverse guiding block 6, the transverse guiding block 7 drives the second vertical rod 1 to move, the transverse guiding block, the transverse pipe 9, the transverse guiding block 9, the second T-shaped slide bar 9 cannot rotate to indirectly cause the second nut 3 to not rotate, the transverse pipe 5 drives the first vertical bar 8 to rotate, the first vertical bar 8 drives the second T-shaped slide bar 9 to rotate, the second T-shaped slide bar 9 drives the external thread cylinder 10 to rotate, the external thread cylinder 10 drives the bearing 11 to rotate, the external thread cylinder 10 drives the rubber ring 16 to rotate on the third brake ring 27, the rubber ring 16 is attached to the third brake ring 27, the situation that the external thread cylinder 10 rotates artificially is prevented, the second nut 3 cannot rotate again at the moment, then a worker rotates the first nut 1 counterclockwise, the first nut 1 rotates and moves on the external thread cylinder 10, the external thread cylinder 10 drives the rubber ring 16 to rotate on the third brake ring 27, the friction force between the third brake ring 27 and the rubber ring 16 is increased, the rubber ring 16 cannot rotate conveniently, the external thread cylinder 10 rotates conveniently, the first nut 1 rotates and moves on the external thread cylinder 10 downward, the first nut 1 drives the first dovetail block 4 to move downward, the first dovetail block 4 moves downwards, the first nut 5 drives the second nut 5 to move downwards, the transverse pipe 5 drives the second vertical bar 9 to move downwards, the transverse pipe 17 to drive the transverse pipe 17 to rotate clockwise, the second vertical bar 9 to rotate, the transverse pipe 17 drives the second vertical bar 9 to rotate gradually, the transverse pipe 10 to rotate, the transverse pipe 17, the transverse pipe 10 to rotate clockwise, the transverse pipe 17, thereby, the second nut 3 and the threaded rod 17 are screwed up again, when the bottom surface of the first nut 1 is attached to the surface of the equipment, the first nut 1 stops rotating, as shown in fig. 9, at this time, the equipment is fixed, the first nut 1 and the external thread cylinder 10 are loosened or the second nut 3 and the threaded rod 17 are loosened, when the first nut 1 and the external thread cylinder 10 are loosened, the first nut 1 rotates clockwise, the first nut 1 indirectly drives the second T-shaped slide bar 9 to move upwards, the second T-shaped slide bar 9 drives the second vertical bar 20 to rotate, the second vertical bar 20 drives the one-way bearing 21 to rotate anticlockwise, at this time, the inner ring of the one-way bearing 21 cannot rotate, the one-way bearing 21 cannot rotate to limit the second vertical bar 20, thereby realizing the limit of the one-way bearing 21 to the second vertical bar 20 and making the second vertical bar 20 cannot rotate, the second vertical rod 20 can not rotate to enable the second T-shaped sliding rod 9 to not move upwards, the second T-shaped sliding rod 9 can not move to indirectly enable the first nut 1 to not move, so that the loosening phenomenon between the first nut 1 and the external thread cylinder 10 is effectively prevented, when the loosening occurs between the second nut 3 and the threaded rod 17, the second nut 3 can rotate anticlockwise, the second nut 3 drives the transverse pipe 5 to rotate, at the moment, the second vertical rod 20 limits the transverse pipe 5 to enable the transverse pipe 5 to not rotate, the transverse pipe 5 can not rotate to enable the second nut 3 to rotate, so that the stability between the second nut 3 and the threaded rod 17 is improved, the loosening between the second nut 3 and the threaded rod 17 is prevented, when the equipment needs to be separated, a worker passes a hook through the first through hole 2-1 and pulls the pull ring 15, then pulls the pull ring 15 is pulled, the pull ring 15 drives the third brake ring 27 to move to be separated from the second brake ring 26, the third brake ring 27 cancels the limit of the second brake ring 26, so that the second brake ring 26 cannot rotate, so that the outer ring of the one-way bearing 21 can rotate, the pull ring 15 drives the third brake ring 27 to move to extrude the compression spring 30, the third brake ring 27 moves downwards to be attached to the surface of the first brake ring 12, the first brake ring 12 is braked, so that the first brake ring 12 cannot rotate, as shown in fig. 10, the first brake ring 12 cannot rotate, so that the inner ring of the bearing 11 cannot rotate, so that the outer threaded cylinder 10 cannot rotate, then the first nut 1 is screwed clockwise, the first nut 1 rotates on the outer threaded cylinder 10 to move upwards, the first nut 1 indirectly drives the second T-shaped slide bar 9 to move upwards, the second T-shaped slide bar 9 pushes the second vertical bar 20 to rotate anticlockwise, the second vertical rod 20 drives the spring 25 to gradually loosen, the second vertical rod 20 drives the inner ring of the one-way bearing 21 to rotate anticlockwise, the inner ring of the one-way bearing 21 drives the outer ring of the one-way bearing 21 to rotate, the second brake ring 26 is separated from the third brake ring 27 at the moment, so that the outer ring of the one-way bearing 21 can rotate, the second vertical rod 20 drives the second gear 23 to rotate, the second gear 23 indirectly drives the threaded rod 17 to rotate, the first nut 1 stops rotating when the first nut 1 rotates and is separated from the external thread cylinder 10, the spring 25 is in the maximum loosening state at the moment, then the second nut 3 is screwed anticlockwise, the spring 25 limits the second vertical rod 20, so that the second vertical rod 20 cannot rotate, the second vertical rod 20 cannot rotate to indirectly enable the threaded rod 17 to not rotate, the second nut 3 rotates and is gradually separated from the threaded rod 17, and then the separation of the second nut 3 and the threaded rod 17 is realized, thereby indirectly realized the separation of equipment, this moment with hook and pull ring 15 separation, receive extruded compression spring 30 promotion third brake ring 27 and remove once more with the laminating of second brake ring 26, realize the brake operation to second brake ring 26, the device of being convenient for works once more, the setting of clockwork spring 25 plays the effect of restoring to the throne of second montant 20 rotation, guarantee that guide way 20-1 on second montant 20 just in time matches with second T shape slide bar 9 when using next time, reset spring 7 and compression spring 30's setting plays effectual restoring to the throne, guarantee the device normal work, the unidirectional rotation of equipment is guaranteed in the setting of one-way bearing 21, the fixed effect of disc 13 is played in the setting of a plurality of bracing pieces 14, the setting of rubber ring 16 plays the effect of increasing friction, first brake ring 12, the setting of second brake ring 26 and third brake ring 27 plays the braking effect, guarantee the device normal work.
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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall 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. A double-nut bolt assembly with good stability comprises a first nut (1), a screw head (2) and a second nut (3), wherein the direction of threads of the first nut (1) is opposite to the direction of threads of the second nut (3), the plane of the bottom surface of the first nut (1) is higher than the plane of the bottom surface of the second nut (3), the top end of the screw head (2) is of a hollow structure, the second nut (3) is arranged in the first nut (1), the first nut (1) is arranged right above the screw head (2), a first dovetail groove (1-1) is annularly opened on the inner wall of the first nut (1), two first dovetail blocks (4) are symmetrically attached and slidably arranged in the first dovetail groove (1-1), the side wall of the first dovetail block (4) is fixedly connected with a transverse pipe (5), one end of the transverse pipe (5) is fixedly connected with the outer wall of the second nut (3), a plurality of grooves (1-2) are annularly opened on the first dovetail groove (1), a square dovetail block (5) penetrates through inner wall of a T-shaped spring (6) and a first transverse pipe (6) penetrates through the inner wall of a first dovetail groove (6), the shape of the groove (1-2) is semicircular, and the cross bar of the first T-shaped sliding bar (6) is connected with the first dovetail block (4) in a sliding manner, and the T-shaped sliding bar is characterized in that: a first vertical rod (8) is fixedly connected with the bottom surface of a transverse pipe (5), a second through hole (5-1) is formed in the bottom surface of the transverse pipe (5), a second T-shaped sliding rod (9) is fixedly connected with the bottom end of the first vertical rod (8), one bottom surface of the second T-shaped sliding rod (9) and the bottom surface of a second nut (3) are in the same plane, an external thread cylinder (10) is arranged in the screw head (2) in a fitting and sliding mode, the bottom end of the external thread cylinder (10) penetrates out of the screw head (2) and is fitted with the bottom surface of the first nut (1), the external thread cylinder (10) is rotationally connected with the screw head (2), the first nut (1) is matched with the external thread cylinder (10), two sliding grooves (10-1) are symmetrically formed in the side wall of the external thread cylinder (10), the width of the sliding grooves (10-1) is equal to the width of the transverse pipe (5), the sliding grooves (10-1) are matched with the transverse pipe (5), one end of the second T-shaped sliding rod (9) is slidably arranged in the inner wall of the screw head (2), a bearing (11) is fixedly connected with a first inner ring bearing (11), and a brake ring bearing (11) is connected with an outer ring bearing (11) which is arranged in the inner ring bearing (11), the disc (13) top surface and the screw head (2) top surface are in the same plane, the disc (13) bottom surface is fixedly connected with a plurality of support rods (14), the support rods (14) bottom end and the screw head (2) inner bottom surface are fixedly connected, the outer thread cylinder (10) bottom surface is fixedly connected with a rubber ring (16), the disc (13) top surface is provided with a threaded rod (17), the threaded rod (17) is arranged under the second nut (3) and matched with the second nut, the threaded rod (17) bottom end passes through the disc (13) and penetrates into the screw head (2) and is fixedly connected with a first gear (18), the first gear (18) bottom surface and the screw head (2) inner bottom surface are laminated, the threaded rod (17) is rotatably connected with the disc (13), the threaded rod (17) is fixedly sleeved with two limit rings (19), the two limit rings (19) are arranged at two ends of the disc (13) and are laminated with the surface of the disc (13), a second vertical rod (20) is arranged in the outer thread cylinder (10), the second vertical rod (20) is arranged in the second through hole (5-1) and is inserted into a T-shaped guide groove (9-shaped guide groove (20) with the second T-shaped guide groove (9), the rotatory embedding of disc (13) top surface laminating has one-way bearing (21), one-way bearing (21) inner ring direction of rotation is the same with second nut (3) screw thread tightening direction, disc (13) side wall annular is opened has second dovetail (13-1), the laminating slip is equipped with a plurality of second dovetail blocks (22) in second dovetail (13-1), second dovetail block (22) lateral wall and one-way bearing (21) outer loop fixed connection, disc (13) top surface fixedly connected with barrel (24), one-way bearing (21) are passed in proper order to second montant (20) bottom and penetrate in spiral shell (2) and fixedly connected with second gear (23), second gear (23) and first gear (18) meshing, second montant (20) do not contact with barrel (24), second montant (20) inner ring fixed connection with one-way bearing (21), fixed cover has on second montant (20) has (25), set up in second montant (25) fixed connection has the clockwork spring (24) inner ring, the second montant (20) inner ring fixed connection has the second montant (26), the brake the inner ring (26) inner ring is connected with the second montant (20) bottom surface, the brake the one-way bearing (26), the cover has third brake ring (27) on second montant (20), third brake ring (27) cross sectional shape is L shape, laminating of a third brake ring (27) top surface and second brake ring (26) bottom surface, another top surface and rubber ring (16) bottom surface laminating of third brake ring (27), second gear (23) top surface annular is opened there are third dovetail (23-1), the laminating slip is equipped with two third dovetail blocks (28) in third dovetail (23-1), third dovetail block (28) top surface fixedly connected with multisection telescopic link (29), multisection telescopic link (29) top and third brake ring (27) bottom surface fixed connection, the cover has compression spring (30) on multisection telescopic link (29), third brake ring (27) bottom surface fixed connection pull ring (15), spiral shell head (2) bottom surface is opened has first through-hole (2-1), first through hole (2-1) set up under pull ring (15), third brake ring (27) top oblique brake ring (12).
2. A highly stable double nut bolt assembly according to claim 1, wherein: the second vertical rod (20) is made of alloy steel materials.
3. A highly stable double nut bolt assembly according to claim 1 wherein: the disc (13) and the cylinder (24) are connected in a welding mode.
4. A highly stable double nut bolt assembly according to claim 1, wherein: the wall thickness range of the second T-shaped slide bar (9) is 4mm-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230735.4A CN115614366A (en) | 2022-10-10 | 2022-10-10 | Double-nut bolt assembly with good stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230735.4A CN115614366A (en) | 2022-10-10 | 2022-10-10 | Double-nut bolt assembly with good stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115614366A true CN115614366A (en) | 2023-01-17 |
Family
ID=84859749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211230735.4A Withdrawn CN115614366A (en) | 2022-10-10 | 2022-10-10 | Double-nut bolt assembly with good stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115614366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231566A (en) * | 2023-02-28 | 2023-06-06 | 中建八局第四建设有限公司 | Wire fixing frame for building and convenient for wire to be stably fixed |
-
2022
- 2022-10-10 CN CN202211230735.4A patent/CN115614366A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231566A (en) * | 2023-02-28 | 2023-06-06 | 中建八局第四建设有限公司 | Wire fixing frame for building and convenient for wire to be stably fixed |
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Application publication date: 20230117 |
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