CN116480674A - Bolt and nut assembly - Google Patents

Bolt and nut assembly Download PDF

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Publication number
CN116480674A
CN116480674A CN202310478551.8A CN202310478551A CN116480674A CN 116480674 A CN116480674 A CN 116480674A CN 202310478551 A CN202310478551 A CN 202310478551A CN 116480674 A CN116480674 A CN 116480674A
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CN
China
Prior art keywords
shaped
rod
fixedly connected
dovetail
barrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310478551.8A
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Chinese (zh)
Inventor
王海民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202310478551.8A priority Critical patent/CN116480674A/en
Publication of CN116480674A publication Critical patent/CN116480674A/en
Pending legal-status Critical Current

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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
    • 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
    • F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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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 and nut assembly, which comprises a screw head, a Z-shaped rod is rotationally connected with an internal thread barrel, an inclined tooth ring is fixedly sleeved on the internal thread barrel, a chute is formed on one side wall of the screw, the inclined tooth ring is meshed with the inclined tooth ring, a T-shaped barrel body is attached to the bottom surface of the inclined tooth ring, one end of a third compression spring is fixedly connected with the inner wall of the screw, the elastic force of the third compression spring is far greater than that of a second compression spring, a second through groove is formed in the bottom surface of the screw, the second through groove is arranged below the barrel body, the included angle between a cross rod of a first L-shaped slide rod and a vertical rod is 100-120 DEG, the T-shaped barrel body is made of alloy steel materials, the wall thickness of the second L-shaped slide rod is 5-7 mm, the limit of the second L-shaped slide rod can be realized while the second L-shaped slide rod is clamped on the surface of the nut, the stability of the second L-shaped slide rod is increased, the stability of the connection between the screw head and the nut is indirectly increased, the safety performance is improved, and the use requirement is met.

Description

Bolt and nut assembly
Technical Field
The invention relates to the technical field of fasteners, in particular to a bolt and nut assembly.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut is a fastener formed by a head part and a screw rod (a cylinder with external threads), the fastener is matched with the nut and is used for fastening and connecting two parts with through holes, the connecting mode is called bolting, if the nut is screwed off from the bolt and the two parts can be separated, the bolting belongs to detachable connection, the bolt is widely applied in mechanical production, the bolt is matched with the nut in most cases, the bolt and the nut are extremely easy to fall off due to various external reasons under long-time use, the bolting is invalid, and potential safety hazards exist and the use requirement cannot be met.
Disclosure of Invention
In order to solve the problems, the invention provides a bolt and nut assembly.
The invention is realized by the following technical scheme:
the screw bolt and nut assembly comprises a screw head, the screw head is in a regular polygon shape, the bottom surface of the screw head is fixedly connected with a screw rod, the screw rod is barrel-shaped, a nut matched with the screw rod is sleeved on the screw rod, the bottom surface of the screw head is provided with a first dovetail groove, a first dovetail block is arranged in the first dovetail groove in an attached sliding manner, the top surface of the first dovetail block is provided with a groove, the top surface of the screw head is provided with a first through groove, the first through groove is arranged above and communicated with the first dovetail groove, a first compression spring is arranged in the first dovetail groove, one end of the first compression spring is fixedly connected with the first dovetail block, the other end of the first compression spring is fixedly connected with the screw head, the maximum width of the first dovetail groove is larger than the width of the first through groove, the groove is communicated with the first through groove, a first L-shaped slide bar is arranged in the screw rod, the top surface of the first L-shaped slide bar cross rod is fixedly connected with the bottom surface of the first dovetail block, the inner cross section of the screw rod is circular, a first bearing is fixedly embedded in the inner side wall of the screw rod, an inner threaded barrel is fixedly connected with an inner threaded barrel of the first bearing, an inner threaded of the inner threaded barrel is provided with a threaded disc matched with the inner threaded barrel, one side of the inner threaded barrel is provided with a Z-shaped rod, the cross section of the Z-shaped rod is circular, one end of the Z-shaped rod is fixedly connected with the side wall of a vertical rod of the first L-shaped slide bar, the other end of the Z-shaped rod penetrates into the inner threaded barrel and is fixedly connected with the side wall of the threaded disc, the Z-shaped rod is rotationally connected with the inner threaded barrel, an inclined tooth ring is fixedly sleeved on the inner threaded barrel, a chute is arranged on one side wall of the screw rod, an included angle between the second L-shaped slide bar cross rod and the vertical rod is an acute angle, the second L-shaped cross rod penetrates into the chute, the top end of the second L-shaped vertical rod is a cambered surface, the top surface of the second L-shaped slide bar vertical rod is attached to the bottom surface of the first L-shaped slide bar vertical rod, a third through groove is formed in the side wall of the second L-shaped slide bar vertical rod, the third through groove is square in shape, a guide rod is arranged in the third through groove in an attached sliding manner, the section of the guide rod is square, two ends of the guide rod penetrate through the third through groove and are fixedly connected with the inner wall of a screw rod, an extension spring is arranged in the third through groove, one end of the extension spring is fixedly connected with the bottom surface of the guide rod, the other end of the extension spring is fixedly connected with the inner wall of the second L-shaped slide bar, the elastic force of the first compression spring is greater than that of the extension spring, a plurality of first tooth blocks are fixedly connected to the side wall of the second L-shaped slide bar vertical rod from bottom to top, the first tooth blocks are right-angled triangle in shape, two first brake blocks are fixedly connected to the side wall of the second L-shaped slide bar vertical rod, the plurality of first tooth blocks are arranged between the two first brake blocks, the T-shaped rod is fixedly connected with the inner wall of the screw rod, the cross section of the cross rod of the T-shaped rod is round, the T-shaped rod is obliquely provided with a bevel gear arranged below the cross rod of the T-shaped rod, a second bearing is fixedly embedded in the top surface of the bevel gear, the bottom end of the T-shaped rod penetrates into the second bearing and is fixedly connected with the inner ring of the T-shaped rod, a second dovetail groove is formed in the bottom surface of the bevel gear, a second dovetail block is arranged in the second dovetail groove in a fitting and sliding manner, a second compression spring is arranged in the second dovetail groove, one end of the second compression spring is fixedly connected with the side wall of the second dovetail block, the other end of the second compression spring is fixedly connected with the inner wall of the bevel gear, the bevel gear is meshed with the bevel gear ring, a T-shaped barrel body is arranged on the bottom surface of the bevel gear in a fitting manner, the center of the top surface of the T-shaped barrel is fixedly connected with the bottom surface of the second dovetail block, the T-shaped barrel body is characterized in that a plurality of second tooth blocks are fixedly connected to one side wall of the T-shaped barrel body from bottom to top, the second tooth blocks are meshed with the first tooth blocks, the second tooth blocks are right-angled triangle in shape, two second brake pads are fixedly connected to the other side wall of the T-shaped barrel body, the second brake pads are matched with the first brake pads, ceramic slurry is filled in the T-shaped barrel body, a rubber pad is fixedly connected to an opening of the T-shaped barrel body, the T-shaped barrel body is obliquely arranged, the section of the T-shaped barrel body is circular, a barrel body is fixedly sleeved on the T-shaped barrel body in a fitting and rotating mode, a third compression spring is fixedly connected to one end of the third compression spring, the elastic force of the third compression spring is far greater than that of the second compression spring, a second through groove is formed in the bottom surface of the screw body, and the second through groove is formed in the lower portion of the barrel body.
Preferably, the included angle between the transverse rod and the vertical rod of the first L-shaped sliding rod ranges from 100 degrees to 120 degrees.
Preferably, the T-shaped barrel body is made of alloy steel materials.
Preferably, the wall thickness of the second L-shaped sliding rod is 5mm-7mm.
Compared with the prior art, the invention has the beneficial effects that: the device simple structure, the function is various, the practicality is strong, through setting up first L shape slide bar, first bearing, the internal thread bucket, the screw thread dish, the Z shape pole, the skewed tooth ring, the guide bar, extension spring, first tooth piece, first brake block, the T shape pole, the helical gear, the second bearing, the second forked tail piece, the second compression spring, the T shape staving, the second tooth piece, the second brake block, the rubber pad, the ceramic thick liquid, barrel and third compression spring can realize having realized the spacing to the L shape slide bar of second when the slide bar card of second L shape is on the nut surface, increase the stability of the L shape slide bar of second, thereby indirectly increase the stability of being connected between spiral shell head and the nut, improve the security performance, satisfy the user demand.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a cross-sectional view A-A of the structure of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of the present invention;
FIG. 6 is a schematic representation of the operation of the structure of the present invention;
FIG. 7 is a front view of the structure of FIG. 6 in accordance with the present invention;
fig. 8 is a cross-sectional view of the structure of the present invention of fig. 7.
In the figure: the novel hydraulic brake device comprises a screw head 1, a screw rod 2, a nut 3, a first dovetail block 4, a first compression spring 5, a first L-shaped sliding rod 6, a first bearing 7, an internal thread barrel 8, a thread disc 9, a Z-shaped rod 10, a helical gear ring 11, a second L-shaped sliding rod 12, a guide rod 13, an extension spring 14, a first tooth block 15, a first brake block 16, a T-shaped rod 17, a helical gear 18, a second bearing 19, a second dovetail block 20, a second compression spring 21, a T-shaped barrel 22, a second tooth block 23, a second brake block 24, a rubber pad 25, ceramic slurry 26, a barrel 27, a third compression spring 28, a first dovetail groove 1-1, a first through groove 1-2, a sliding groove 2-1, a second through groove 2-2, a groove 4-1, a third through groove 12-1 and a second dovetail groove 18-1.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in figures 1-8, the bolt-nut assembly comprises a screw head 1, wherein the screw head 1 is in a regular polygon shape, a screw rod 2 is fixedly connected to the bottom surface of the screw head 1, the screw rod 2 is in a barrel shape, a nut 3 matched with the screw rod 2 is sleeved on the screw rod 2, a first dovetail groove 1-1 is formed in the bottom surface of the screw head 1, a first dovetail block 4 is arranged in the first dovetail groove 1-1 in an adhering and sliding manner, a groove 4-1 is formed in the top surface of the first dovetail block 4, a first through groove 1-2 is formed in the top surface of the screw head 1, the first through groove 1-2 is arranged above and communicated with the first dovetail groove 1-1, a first compression spring 5 is arranged in the first dovetail groove 1-1, one end of the first compression spring 5 is fixedly connected with the first dovetail block 4, the other end of the first compression spring 5 is fixedly connected with the screw head 1, the maximum width of the first dovetail groove 1-1 is larger than the width of the first through groove 1-2, the groove 4-1 is communicated with the first through groove 1-2, a first L-shaped slide bar 6 is arranged in the screw rod 2, the top surface of a cross bar of the first L-shaped slide bar 6 is fixedly connected with the bottom surface of the first dovetail block 4, the inner cross section of the screw rod 2 is circular, a first bearing 7 is fixedly embedded into the inner side wall of the screw rod 2, an inner ring of the first bearing 7 is fixedly connected with an inner threaded barrel 8, an inner thread of the inner threaded barrel 8 is provided with a threaded disc 9 matched with the inner threaded barrel, one side of the inner threaded barrel 8 is provided with a Z-shaped rod 10, the cross section of the Z-shaped rod 10 is circular, one end of the Z-shaped rod 10 is fixedly connected with the side wall of the first L-shaped slide bar 6, the other end of the Z-shaped rod 10 penetrates into the inner threaded barrel 8 and is fixedly connected with the side wall of the threaded disc 9, the Z-shaped rod 10 is rotationally connected with the internal thread barrel 8, an inclined tooth ring 11 is fixedly sleeved on the internal thread barrel 8, a chute 2-1 is formed on one side wall of the screw rod 2, a second L-shaped slide rod 12 is arranged in the screw rod 2, an included angle between the cross rod of the second L-shaped slide rod 12 and a vertical rod is an acute angle, the cross rod of the second L-shaped slide rod 12 penetrates into the chute 2-1, the top end of the vertical rod of the second L-shaped slide rod 12 is an arc surface, the top surface of the vertical rod of the second L-shaped slide rod 12 is attached to the bottom surface of the vertical rod of the first L-shaped slide rod 6, a third through groove 12-1 is formed on the side wall of the vertical rod of the second L-shaped slide rod 12, a guide rod 13 is arranged in an attached sliding manner in the third through groove 12-1, the section of the guide rod 13 is square, both ends of the guide rod 13 penetrate out of the third through groove 12-1 and are fixedly connected with the inner wall of the screw rod 2, an extension spring 14 is arranged in the third through groove 12-1, one end of the extension spring 14 is fixedly connected with the bottom surface of the guide rod 13, the other end of the extension spring 14 is fixedly connected with the inner wall of the second L-shaped slide rod 12, the elastic force of the first compression spring 5 is larger than that of the extension spring 14, the side wall of the vertical rod of the second L-shaped slide rod 12 is fixedly connected with a plurality of first tooth blocks 15 from bottom to top, the first tooth blocks 15 are right-angled triangles, the side wall of the vertical rod of the second L-shaped slide rod 12 is fixedly connected with two first brake blocks 16, the plurality of first tooth blocks 15 are arranged between the two first brake blocks 16, the inner wall of the screw rod 2 is fixedly connected with a T-shaped rod 17, the cross section of the vertical rod of the T-shaped rod 17 is circular, the T-shaped rod 17 is obliquely arranged, a bevel gear 18 is arranged below the vertical rod of the T-shaped rod 17, the top surface of the bevel gear 18 is fixedly embedded with a second bearing 19, the bottom end of a vertical rod of the T-shaped rod 17 penetrates into the second bearing 19 and is fixedly connected with an inner ring of the bevel gear 18, a second dovetail groove 18-1 is formed in the bottom surface of the bevel gear 18, a second dovetail block 20 is arranged in the second dovetail groove 18-1 in an attached sliding manner, a second compression spring 21 is arranged in the second dovetail groove 18-1, one end of the second compression spring 21 is fixedly connected with the side wall of the second dovetail block 20, the other end of the second compression spring 21 is fixedly connected with the inner wall of the bevel gear 18, the bevel gear 18 is meshed with the bevel gear ring 11, a T-shaped barrel 22 is attached to the bottom surface of the bevel gear 18, the center of the top surface of the T-shaped barrel 22 is fixedly connected with the bottom surface of the second dovetail block 20, one side wall of the T-shaped barrel 22 is fixedly connected with a plurality of second tooth blocks 23 from bottom to top, the second tooth block 23 is meshed with the first tooth block 15, the second tooth block 23 is right triangle, two second brake pads 24 are fixedly connected with the other side wall of the T-shaped barrel 22, the second brake pads 24 are matched with the first brake pads 16, ceramic slurry 26 is filled in the T-shaped barrel 22, a rubber pad 25 is fixedly connected with an opening of the T-shaped barrel 22, the T-shaped barrel 22 is obliquely arranged, the section of the T-shaped barrel 22 is circular, a barrel 27 is sleeved on the T-shaped barrel 22 in a fitting and rotating way, a third compression spring 28 is fixedly connected with the side wall of the barrel 27, one end of the third compression spring 28 is fixedly connected with the inner wall of the screw 2, the elastic force of the third compression spring 28 is far greater than that of the second compression spring 21, a second through groove 2-2 is formed in the bottom surface of the screw 2, the second through groove 2-2 is provided below the cylinder 27.
The included angle between the transverse rod and the vertical rod of the first L-shaped sliding rod 6 ranges from 100 degrees to 120 degrees.
The T-shaped barrel 22 is made of alloy steel materials.
The wall thickness of the second L-shaped slide bar 12 is 5mm-7mm.
Working principle: when the equipment is required to be fixed, the device is used for replacing the traditional bolt and nut to carry out screwing and fixing, firstly, the screw head 1 is moved, the screw head 1 drives the screw rod 2 to move through a preformed hole of the equipment, when the surface of the screw head 1 is attached to the surface of the equipment, the movement is stopped, then the nut 3 is screwed onto the screw rod 2, when the nut 3 is attached to the surface of the equipment, the movement is stopped, the connection and the fixing between the equipment are realized, then the screw rod passes through the first through groove 1-2 and is inserted into the groove 4-1, the screw rod is moved, the screw rod drives the first dovetail block 4 to move and squeeze the first compression spring 5, the first dovetail block 4 drives the first L-shaped slide rod 6 to move and gradually separate from the second L-shaped slide rod 12, the first L-shaped slide rod 6 drives the Z-shaped slide rod 10 to move, the Z-shaped slide rod 10 drives the screw disc 9 to move, the screw disc 9 drives the internal thread barrel 8 to rotate, the internal thread barrel 8 drives the bevel ring 11 to rotate, the helical gear ring 11 drives the helical gear 18 to rotate, the helical gear 18 drives the second dovetail block 20 to rotate, the second dovetail block 20 drives the T-shaped barrel 22 to rotate, the T-shaped barrel 22 drives the second tooth blocks 23 to rotate and the first tooth blocks 15 to be gradually separated, the second tooth blocks 23 cancel the limit of the first tooth blocks 15 so that the first tooth blocks 15 can move, the extension spring 14 pulls the second L-shaped slide bar 12 to move at the moment, the second L-shaped slide bar 12 gradually moves so that the cross bar of the second L-shaped slide bar 12 gradually slides out of the slide groove 2-1, the movement of the cross bar surface of the second L-shaped slide bar 12 stops when the cross bar surface of the second L-shaped slide bar 12 is jointed with the surface of the nut 3, the first dovetail block 4 indirectly drives the T-shaped barrel 22 to rotate, the movement of the Z-shaped slide bar 10 is stopped when the side wall of the Z-shaped slide bar 10 is jointed with the side wall of the helical gear ring 11, the side wall of the vertical rod of the second L-shaped slide bar 12 is attached to the side wall of the vertical rod of the first L-shaped slide bar 6, the T-shaped barrel 22 just rotates 180 degrees, the T-shaped barrel 22 drives the second brake block 24 to rotate 180 degrees and then stops, the third compression spring 28 pushes the barrel 27 to move, the barrel 27 drives the T-shaped barrel 22 to move, the T-shaped barrel 22 drives the second dovetail block 20 to move and squeeze the second compression spring 21 to deform, the T-shaped barrel 22 drives the second brake block 24 to move and attach to the first brake block 16, the second brake block 24 realizes the braking action on the first brake block 16, the first brake block 16 cannot move, the second L-shaped slide bar 12 cannot move, one-time limiting of the second L-shaped slide bar 12 is realized, the T-shaped barrel 22 drives the rubber pad 25 to move, the rubber pad 25 moves and gradually squeezes onto the first tooth block 15, the rubber pad 25 is extruded by the first tooth block 15 to deform the rubber pad 25, the rubber pad 25 pushes the ceramic slurry 26 to slowly move, the ceramic slurry 26 slowly rises at a high position, the rubber pad 25 limits the first tooth block 15 to ensure that the first tooth block 15 cannot move, the first tooth block 15 cannot move to ensure that the second L-shaped slide bar 12 cannot move, the second L-shaped slide bar 12 cannot move to ensure that the nut 3 cannot move, the stability of the connection between the screw rod 2 and the nut 3 is improved, as shown in fig. 6, the ceramic slurry 26 is extruded to fill the T-shaped barrel 22, when the separation between the screw rod 2 and the nut 3 is required, a screwdriver is inserted into the screw rod 2 through the second through groove 2-2 to ensure that the side wall of the screwdriver is attached to the side wall of the barrel 27, then the screwdriver is moved to drive the barrel 27 to obliquely upwards move to extrude the third compression spring 28, the barrel 27 drives the T-shaped barrel 22 to move, the T-shaped barrel 22 drives the second dovetail block 20 to move and reset, the T-shaped barrel 22 drives the rubber pad 25 to move and separate from the first tooth block 15 to cancel the limit of the first tooth block 15, the first tooth block 15 can move to enable the second L-shaped slide rod 12 to move, the T-shaped barrel 22 drives the second brake block 24 to move and separate from the first brake block 16 to enable the first brake block 16 to move, the first brake block 16 can move to enable the second L-shaped slide rod 12 to move, then the nut 3 is screwed, the nut 3 drives the second L-shaped slide rod 12 to slide and gradually separate from the first L-shaped slide rod 6, the extruded first compression spring 5 pushes the first dovetail block 4 to move at the moment, the first dovetail block 4 drives the first L-shaped slide rod 6 to transversely move, the first L-shaped slide rod 6 indirectly drives the bevel gear 18 to rotate, the bevel gear 18 indirectly drives the T-shaped barrel 22 to rotate and reset, when the surface of the nut 3 is separated from the surface of the cross rod of the second L-shaped slide rod 12, the bottom surface of the vertical rod of the first L-shaped slide rod 6 is just attached to the top surface of the vertical rod of the second L-shaped slide rod 12, the T-shaped barrel 22 is just rotated for 180 DEG for resetting, the T-shaped barrel 22 drives the second tooth block 23 to rotate and limit the first tooth block 15, so that the first tooth block 15 cannot move, so that the second L-shaped slide rod 12 cannot move, the device is convenient for reuse, as shown in figure 1, the arrangement of the first compression spring 5, the extension spring 14, the second compression spring 21 and the third compression spring 28 plays an effective resetting role, the normal operation of the device is ensured, the process of setting the ceramic slurry 26 for deforming the rubber pad 25 is a slow process, therefore, after the cross rod of the second L-shaped slide rod 12 is attached to the surface of the nut 3, the T-shaped barrel 22 slowly inclines downwards, the T-shaped barrel 22 drives the second brake pad 24 and the rubber pad 25 to be matched with the first brake pad 16 and the first tooth block 15 respectively, and connection and matching between parts are ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a bolt nut subassembly, includes spiral shell head (1), spiral shell head (1) shape is regular polygon, spiral shell head (1) bottom surface fixedly connected with screw rod (2), screw rod (2) are the tubbiness, the cover has nut (3) rather than assorted, first dovetail (1-1) are opened to spiral shell head (1) bottom surface, first dovetail (1-1) inner paste slip is equipped with first dovetail (4), first dovetail (4) top surface is opened flutedly (4-1), spiral shell head (1) top surface is opened there is first logical groove (1-2), first logical groove (1-2) set up in first dovetail (1-1) top and communicate with each other, be equipped with first compression spring (5) in first dovetail (1-1), first compression spring (5) one end and first dovetail (4) fixed connection, first compression spring (5) other end and spiral shell head (1-1) fixed connection width (1-2) are in first dovetail (1-2), first dovetail (1-2) and first dovetail (1-2) communicate with each other, characterized in that first dovetail (1-2) and 2 are opened: the novel sliding rod is characterized in that a first L-shaped sliding rod (6) is arranged in the screw rod (2), the top surface of the cross rod of the first L-shaped sliding rod (6) is fixedly connected with the bottom surface of the first dovetail block (4), the inner cross section of the screw rod (2) is circular, a first bearing (7) is fixedly embedded into the inner side wall of the screw rod (2), an inner threaded barrel (8) is fixedly connected with the inner ring of the first bearing (7), an inner threaded barrel (8) is provided with a threaded disc (9) matched with the inner threaded barrel, one side of the inner threaded barrel (8) is provided with a Z-shaped rod (10), the cross section of the Z-shaped rod (10) is circular, one end of the Z-shaped rod (10) is fixedly connected with the side wall of the first L-shaped sliding rod (6), the other end of the Z-shaped rod (10) penetrates into the inner threaded barrel (8) and is fixedly connected with the side wall of the threaded disc (9), an inclined tooth ring (11) is fixedly sleeved on the inner threaded barrel (8), one side wall of the screw rod (2-1) is provided with an acute angle between the second arc-shaped sliding rod (12) and the top end of the second L-shaped sliding rod (12), the second L-shaped slide bar (12) is characterized in that the top surface of the vertical bar of the second L-shaped slide bar (12) is attached to the bottom surface of the vertical bar of the first L-shaped slide bar (6), a third through groove (12-1) is formed in the side wall of the vertical bar of the second L-shaped slide bar (12), the shape of the third through groove (12-1) is square, a guide bar (13) is arranged in the attachment sliding of the third through groove (12-1), the section of the guide bar (13) is square, both ends of the guide bar (13) penetrate out of the third through groove (12-1) and are fixedly connected with the inner wall of the screw (2), an extension spring (14) is arranged in the third through groove (12-1), one end of the extension spring (14) is fixedly connected with the bottom surface of the guide bar (13), the other end of the extension spring (14) is fixedly connected with the inner wall of the second L-shaped slide bar (12), the elastic force of the first compression spring (5) is larger than that of the extension spring (14), a plurality of first tooth blocks (15) are fixedly connected with the side wall of the second L-shaped slide bar (12), the first tooth blocks (15) are fixedly connected with the two right-angle blocks (17) on the side wall of the second L-shaped slide bar (12), the first tooth blocks (16) are fixedly connected with the right angle blocks (16) and are fixedly connected with the two side walls (17), the T-shaped rod (17) is obliquely provided with a bevel gear (18) arranged below a vertical rod of the T-shaped rod (17), a second bearing (19) is fixedly embedded in the top surface of the bevel gear (18), the bottom end of the vertical rod of the T-shaped rod (17) penetrates into the second bearing (19) and is fixedly connected with an inner ring of the bevel gear, a second dovetail groove (18-1) is formed in the bottom surface of the bevel gear (18), a second dovetail block (20) is fixedly connected with the bottom surface of the second dovetail groove (18-1) in an attached sliding manner, a second compression spring (21) is arranged in the second dovetail groove (18-1), one end of the second compression spring (21) is fixedly connected with the side wall of the second dovetail block (20), the other end of the second compression spring (21) is fixedly connected with the inner wall of the bevel gear (18), the bevel gear (18) is meshed with the bevel gear ring (11), a T-shaped barrel (22) is arranged on the bottom surface of the bevel gear (18), the center of the top surface of the T-shaped barrel (22) is fixedly connected with the second dovetail block (20), one side wall of the T-shaped barrel (22) is fixedly connected with a plurality of second right-angle-shaped blocks (23), the second right-angle-shaped barrel (23) is fixedly connected with the side wall of the second right-angle-shaped barrel (23), the second brake block (24) is matched with the first brake block (16), ceramic slurry (26) is filled in the T-shaped barrel body (22), a rubber pad (25) is fixedly connected to an opening of the T-shaped barrel body (22), the T-shaped barrel body (22) is obliquely arranged, the cross section of the T-shaped barrel body (22) is circular, a barrel body (27) is sleeved on the T-shaped barrel body (22) in a fitting and rotating mode, a third compression spring (28) is fixedly connected to the side wall of the barrel body (27), one end of the third compression spring (28) is fixedly connected with the inner wall of the screw rod (2), the elastic force of the third compression spring (28) is far greater than that of the second compression spring (21), a second through groove (2-2) is formed in the bottom surface of the screw rod (2), and the second through groove (2-2) is formed below the barrel body (27).
2. A bolt and nut assembly according to claim 1, wherein: the included angle between the transverse rod and the vertical rod of the first L-shaped sliding rod (6) is 100-120 degrees.
3. A bolt and nut assembly according to claim 1, wherein: the T-shaped barrel body (22) is made of alloy steel materials.
4. A bolt and nut assembly according to claim 1, wherein: the wall thickness of the second L-shaped sliding rod (12) is 5mm-7mm.
CN202310478551.8A 2023-04-28 2023-04-28 Bolt and nut assembly Pending CN116480674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310478551.8A CN116480674A (en) 2023-04-28 2023-04-28 Bolt and nut assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310478551.8A CN116480674A (en) 2023-04-28 2023-04-28 Bolt and nut assembly

Publications (1)

Publication Number Publication Date
CN116480674A true CN116480674A (en) 2023-07-25

Family

ID=87215438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310478551.8A Pending CN116480674A (en) 2023-04-28 2023-04-28 Bolt and nut assembly

Country Status (1)

Country Link
CN (1) CN116480674A (en)

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