CN210769769U

CN210769769U - Anti-drop safe pressure riveting nut

Info

Publication number: CN210769769U
Application number: CN201921234403.7U
Authority: CN
Inventors: 方建平
Original assignee: Shanghai Nate Auto Standard Parts Co ltd
Current assignee: Shanghai Nate Auto Standard Parts Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-16
Anticipated expiration: 2029-08-01

Abstract

The utility model relates to a nut technical field, and an anti-drop safe pressure riveting nut is disclosed, the backup pad, turn over and rivet circle, nut piece, support planking, reset spring, rotatory piece and rotor plate, the backup pad includes the backup pad shell, turns over and rivets the claw and sink cave accretion groove, turn over and rivet circle lower surface and backup pad shell upper surface fixed connection, turn over and rivet claw lower surface and backup pad shell upper surface fixed connection, turn over and rivet the claw upper surface and seted up and rivet the claw groove, nut piece upper surface and backup pad lower fixed surface are connected, support planking shell lower surface and seted up two spacing holes, support the planking including rotating the groove, spacing hole and support planking shell, the nut piece is located supports the planking shell, the rotating groove has been seted up to rotor plate shell upper surface, rotatory piece inserts the rotating groove, rotatory piece and rotor plate swing joint. The pressure riveting nut has the advantages that the pressure riveting nut is pressed and riveted on heterogeneous materials, thin metal plates and high-strength steel plates, and the bolt can be stably fixed on the metal plates.

Description

Anti-drop safe pressure riveting nut

Technical Field

The utility model relates to a nut technical field specifically is a nut is riveted to anti-drop safety pressure.

Background

The pressure riveting nut is also called a riveting nut, and is a self-fastening nut, which is a fastener for pressure riveting, a standard part, the pressure riveting nut is generally used for products in the metal industry of automobile body metal plates, materials such as hardware stamping or copper-aluminum plastic, and the like. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, the aperture of the preset hole is generally slightly smaller than the embossing teeth of the pressure riveting nut, the embossing teeth of the pressure riveting nut are extruded into the plate through pressure to enable the periphery of the hole to generate plastic deformation, and a deformed object is extruded into the guide groove, so that the locking effect is generated, and the pressure riveting nut can be widely applied along with the connection of new energy sources, light weight and heterogeneous materials of an automobile. The existing pressure riveting nut can not be stably fixed on a metal plate after being pressed and riveted on a dissimilar material, a thin metal plate and a high-strength steel plate.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an anti-drop safe pressure riveting nut possesses the pressure riveting nut and presses and rivet in xenogenesis material, thin metal plate and high strength steel metal plate back bolt can stabilize and fix on the metal plate advantage, has solved current pressure riveting nut and has pressed and rivet in xenogenesis material, thin metal plate and high strength steel metal plate back bolt can not stabilize the problem of fixing on the metal plate.

(II) technical scheme

For realize above-mentioned pressure riveting nut pressure rivet in xenogenesis material, thin metal plate and high strength steel metal plate back bolt can stabilize and fix the purpose on the metal plate, the utility model provides a following technical scheme: an anti-drop safe press-riveting nut comprises a support plate, a turning-riveting ring, a nut block, a support outer plate, a reset spring, a rotating block and a rotating plate, wherein the support plate comprises a support plate shell, a turning-riveting rivet claw and a sinking hole accumulated groove, the lower surface of the turning-riveting ring is fixedly connected with the upper surface of the support plate shell, the lower surface of the turning-riveting rivet claw is fixedly connected with the upper surface of the support plate shell, the upper surface of the turning-riveting rivet claw is provided with a rivet claw groove, the upper surface of the nut block is fixedly connected with the lower surface of the support plate, the support outer plate comprises a rotating groove, a limiting hole and a support outer plate shell, the nut block is positioned in the support outer plate shell, the upper surface of the support outer plate shell is fixedly connected with the lower surface of the support plate, the lower end of the inner surface of the support outer, the rotor plate includes rotor plate shell, stopper, swivelling chute and block rubber ring, and two stoppers are located rotor plate shell left and right sides both ends symmetric distribution, stopper and rotor plate shell side surface fixed connection, and the swivelling chute has been seted up to rotor plate shell upper surface, and the swivelling chute is inserted to the swivelling chute, swivelling chute and rotor plate swing joint.

Preferably, the backup pad shell is the circular slab, and the hollow round hole that runs through from top to bottom is seted up to backup pad shell upper surface, turns over to rivet the circle and be hollow ring, turns over to rivet the circle and be higher than backup pad shell upper surface, outwards turns over through the panel beating outer bore and presses and produce interference fit with the panel beating via hole, plays and prevents that the nut from breaking away from the panel.

Preferably, the rivet turning claw is a triangular block, four rivet turning claws are located on the upper surface of the support plate shell and are evenly distributed around the circumference, the tip of each rivet turning claw is fixedly connected with the side surface of the rivet turning ring, the rivet claw grooves are triangular grooves, the left end and the right end of the upper surface of each rivet turning claw are protruded with rivet claw tip portions, the rivet claw tip portions and the plates are rushed into the plates, the rivet claw grooves are filled with sheet metal extrusion materials in an inflow mode and are deformed outwards in an extrusion mode to form barbs, the effect of preventing the nuts and the plates from rotating in an anti-torsion mode is achieved, and the plates are prevented from falling.

Preferably, the sinking hole accretion grooves are arc-shaped grooves, the two sides of the turning riveting claw are respectively provided with one sinking hole accretion groove, when the plate material is combined with the turning riveting claw, a deformation part is accumulated in the settling accretion grooves, the nut block is a hollow cylinder penetrating up and down, the inner surface of the nut block is provided with threads, and the nut block is used for threaded connection of the pressing riveting nut and the bolt.

Preferably, support the planking shell and be the hollow cylinder that runs through from top to bottom, support planking shell inner circle radius and be greater than nut piece outer lane radius 2cm, rotate the groove and be circular recess, rotate the groove outer lane radius little with support planking shell outer lane radius 1cm, two spacing hole sites support planking shell lower surface front and back symmetric distribution, spacing hole is the slot, reset spring is the radius and is greater than the spring of nut piece outer lane radius 1cm, reset spring passes the nut piece.

Preferably, the rotating block is a circular ring block with the radius the same as that of the reset spring, the upper surface of the rotating block is fixedly connected with the lower surface of the reset spring, the rotating plate shell is a circular ring block, the radius of the inner ring of the rotating plate shell is the same as that of the outer ring of the nut block, the radius of the outer ring of the rotating plate shell is the same as that of the inner ring of the supporting outer plate shell, when the limiting block is compressed by the cuboid reset spring with the size the same as that of the limiting hole, the rotating plate rotates to enable the limiting block to be located in the rotating groove, and the rotating groove is a circular groove.

Preferably, the clamping rubber ring is an annular rubber ring, the lower surface of the clamping rubber ring is fixedly connected with the upper surface of the rotating plate shell, the main body material of the press riveting nut is made of adjustable steel such as 10B21, 35#, 45# and the like, the surface of the press riveting nut is anticorrosive by methods such as zinc-nickel alloy electroplating, zinc-aluminum coating and the like, and the service life of the press riveting nut is prolonged.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-drop presses rivet nut safely possesses following beneficial effect:

1. this pressure riveting nut is higher than backup pad shell upper surface through turning over the riveting ring, outwards turns over through the panel beating outer bore and presses and panel beating via hole production interference fit, plays the effect that prevents the nut and break away from the panel.

2. This pressure riveting nut is through dashing crowded with panel with riveting claw point portion for in the riveting claw point portion dashes crowded panel, the riveting claw groove receives panel beating extrusion material to flow in to fill and outside extrusion deformation, generates the barb, and the deformation part will be long-pending in the deposition amass inslot when panel material combines with the rivet claw of turning over, plays and prevents nut and panel antitorque rotation, and plays once more and prevent panel effect that drops.

3. This pressure riveting nut, backup pad shell upper surface area is great, and increase nut and panel beating contact increase area of contact plays and improves the bulk strength.

4. According to the pressure riveting nut, the adjustable steel such as 10B21, 35# and 45# is adopted as the main material, so that the effect of increasing the strength of the pressure riveting nut is achieved.

5. According to the press-riveting nut, the surface of the press-riveting nut is subjected to corrosion prevention by using methods such as zinc-nickel alloy electroplating, zinc-aluminum coating and the like, so that the effect of prolonging the service life is achieved.

6. This pressure riveting nut through use the bolt with should press when riveting the less strong material panel of nut fixed strength, aligns stopper and spacing hole earlier for reset spring releases elastic potential energy, pops out the rotor plate, when screwing up the bolt, can constantly compress reset spring, effectively avoids damaging because of rotating the too fast panel that will need to fix of bolt.

7. This pressure riveting nut when not using the bolt, can shrink the rotor plate to the rotation inslot, does not influence and carries the transportation.

8. The press riveting nut is simple in structure, convenient to produce and suitable for large-scale production and popularization.

9. This pressure riveting nut, convenient operation, the practicality is strong.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the bottom view of the present invention;

fig. 3 is a schematic view of the bottom view structure of the present invention without the rotating plate.

FIG. 4 is a schematic view of the top view of the rotating plate of the present invention;

FIG. 5 is a schematic view of the structure of the rotating plate in a bottom view;

FIG. 6 is a schematic view of the structure of the return spring and the rotary block of the present invention;

fig. 7 is a schematic view of the structure at a in fig. 3 according to the present invention.

In the figure: the riveting device comprises a support plate 1, a support plate 11, a support plate shell 12 turning riveting claw, a riveting claw groove 121, a riveting claw tip portion 122, a sunk hole accumulated groove 13, a 2 turning riveting ring, a nut block 3, a support outer plate 4, a rotating groove 41, a limiting hole 42, an outer plate shell 43, a return spring 5, a rotating block 6, a rotating plate 7, a rotating plate shell 71, a limiting block 72, a rotating groove 73 and a clamping rubber ring 74.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, an anti-drop safe squeeze riveting nut comprises a support plate 1, a turning riveting ring 2, a nut block 3, a support outer plate 4, a reset spring 5, a rotating block 6 and a rotating plate 7, wherein the support plate 1 comprises a support plate shell 11, a turning riveting claw 12 and a sinking cavity accumulated tumor groove 13, the support plate shell 11 is a circular plate, a hollow circular hole which penetrates through the upper surface of the support plate shell 11 from top to bottom is formed in the upper surface of the support plate shell 11, the turning riveting ring 2 is a hollow circular ring, the lower surface of the turning riveting ring 2 is fixedly connected with the upper surface of the support plate shell 11, the turning riveting ring 2 is higher than the upper surface of the support plate shell 11 and is in interference fit with a sheet metal through hole by outwards turning and pressing a sheet metal outer hole to prevent the nut from being separated from a plate, the turning riveting claw 12 is a triangular block, four turning riveting claws 12 are uniformly distributed on the upper surface of the support plate shell 11 around the circumference, the lower surface of a turning riveting claw 12 is fixedly connected with the upper surface of a support plate shell 11, the upper surface of the turning riveting claw 12 is provided with a riveting claw groove 121, the riveting claw groove 121 is a triangular groove, the left end and the right end of the upper surface of the turning riveting claw 12 are protruded with riveting claw tips 122, the riveting claw tips 122 and a plate are punched and extruded into the plate, the riveting claw groove 121 is filled by a sheet metal extrusion material and is extruded outwards to generate a barb, the anti-torsion rotation of a nut and the plate is prevented, the plate is prevented from falling off at the same time, a sinking hole accretion groove 13 is formed on each side of the turning riveting claw 12, when the plate material is combined with the turning riveting claw 12, the deformation part of the plate material is accumulated in the accretion groove 13, the nut block 3 is a hollow cylinder which penetrates up and down, the inner surface of the nut block 3 is provided with threads, the upper surface of the, the supporting outer plate 4 comprises a rotating groove 41, a limiting hole 42 and a supporting outer plate shell 43, the supporting outer plate shell 43 is a hollow cylinder which penetrates through from top to bottom, the radius of an inner ring of the supporting outer plate shell 43 is 2cm larger than the radius of an outer ring of the nut block 3, the nut block 3 is positioned in the supporting outer plate shell 43, the upper surface of the supporting outer plate shell 43 is fixedly connected with the lower surface of the supporting plate 1, the lower end of the inner surface of the supporting outer plate shell 43 is provided with the rotating groove 41, the rotating groove 41 is a circular groove, the radius of the outer ring of the rotating groove 41 is as small as 1cm as the radius of the outer ring of the supporting outer plate shell 43, the lower surface of the supporting outer plate shell 43 is provided with two limiting holes 42, the two limiting holes 42 are positioned at the front and back of the lower surface of the supporting outer plate shell 43 and are symmetrically distributed, the limiting holes 42 are rectangular holes, the reset, the rotating block 6 is a circular block with the radius same as that of the reset spring 5, the upper surface of the rotating block 6 is fixedly connected with the lower surface of the reset spring 5, the rotating plate 7 comprises a rotating plate shell 71, a limiting block 72, a rotating groove 73 and a clamping rubber ring, the rotating plate shell 71 is a circular block, the radius of the inner ring of the rotating plate shell 71 is the same as that of the outer ring of the nut block 3, the radius of the outer ring of the rotating plate shell 71 is the same as that of the inner ring of the supporting outer plate shell 43, the limiting block 72 is a rectangular block with the size same as that of the limiting hole 42, the two limiting blocks 72 are symmetrically distributed at the left end and the right end of the rotating plate shell 71, when the reset spring 5 is compressed, the rotating plate 7 is rotated to enable the limiting block 72 to be positioned in the rotating groove 41, the limiting block 72 is fixedly connected with the side surface of the rotating plate shell 71, the rotary block 6 is inserted into the rotary groove 73, the rotary block 6 is movably connected with the rotating plate 7, the clamping rubber ring 74 is an annular rubber ring, the lower surface of the clamping rubber ring 74 is fixedly connected with the upper surface of the rotating plate shell 71, the main body material of the pressure riveting nut is made of adjustable steel such as 10B21 #, 35#, 45# and the like, the surface of the pressure riveting nut is anticorrosive by using methods such as zinc-nickel alloy electroplating, zinc-aluminum coating and the like, and the service life of the pressure riveting nut is prolonged.

During the use, first step, produce interference fit through the outside upset of panel beating outer bore and panel beating via hole, play and prevent that the nut from breaking away from the panel, will rivet claw point portion 122 and panel impact extrusion for rivet claw point portion 122 is rushed and is crowded into in the panel, rivet claw groove 121 receives panel beating extrusion material and flows in the packing and outside extrusion deformation, generate the barb, the deformation part will be long-pending stay in deposit pile groove 13 when panel material combines with turning over riveting claw 12, play and prevent nut and panel antitorque rotation, and prevent panel effect that drops simultaneously.

Second step, when using bolt and this pressure to rivet the weaker material panel of nut fixed strength, align stopper 72 and spacing hole 42 earlier for reset spring 5 releases elastic potential energy, pops out rotor plate 7, when screwing up the bolt, can constantly compress reset spring 5, effectively avoids damaging because of rotating the too fast panel that will need to fix of bolt.

Claims

1. The utility model provides a nut is riveted to anti-drop safety pressure, includes backup pad (1), turns over to rivet circle (2), nut piece (3), support planking (4), reset spring (5), rotatory piece (6) and rotor plate (7), its characterized in that: the support plate (1) comprises a support plate shell (11), a turning riveting claw (12) and a cave accretion groove (13), the lower surface of the turning riveting ring (2) is fixedly connected with the upper surface of the support plate shell (11), the upper surface of a nut block (3) is fixedly connected with the lower surface of the support plate (1), the support outer plate (4) comprises a rotating groove (41), a limiting hole (42) and a support outer plate shell (43), the nut block (3) is positioned in the support outer plate shell (43), the upper surface of the support outer plate shell (43) is fixedly connected with the lower surface of the support plate (1), the upper surface of a reset spring (5) is fixedly connected with the upper surface of the support plate shell (11), the rotating plate (7) comprises a rotating plate shell (71), limiting blocks (72), a rotating groove (73) and a clamping rubber ring, the two limiting blocks (72) are positioned at the left end and the right end of the rotating plate, the limiting block (72) is fixedly connected with the side surface of the rotating plate shell (71), a rotating groove (73) is formed in the upper surface of the rotating plate shell (71), the rotating block (6) is inserted into the rotating groove (73), and the rotating block (6) is movably connected with the rotating plate (7).

2. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the riveting device is characterized in that the supporting plate shell (11) is a circular plate, hollow round holes which run through from top to bottom are formed in the upper surface of the supporting plate shell (11), the turning riveting rings (2) are hollow circular rings, the turning riveting claws (12) are triangular blocks, the four turning riveting claws (12) are located on the upper surface of the supporting plate shell (11) and are evenly distributed around the circumference, and the tip ends of the turning riveting claws (12) are fixedly connected with the side surfaces of the turning riveting rings (2).

3. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the lower surface of the turning riveting claw (12) is fixedly connected with the upper surface of the support plate shell (11), and a riveting claw groove (121) is formed in the upper surface of the turning riveting claw (12).

4. The anti-drop safety pressure riveting nut according to claim 3, characterized in that: the rivet claw groove (121) is a triangular groove, the left end and the right end of the upper surface of the turning rivet claw (12) are protruded with rivet claw tip parts (122), the sinking hole accumulated bump grooves (13) are arc-shaped grooves, and the two sides of the turning rivet claw (12) are respectively provided with one sinking hole accumulated bump groove (13).

5. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the supporting outer plate shell (43) is a hollow cylinder which penetrates through the supporting outer plate shell up and down, the radius of the inner ring of the supporting outer plate shell (43) is larger than the radius of the outer ring of the nut block (3) by 2cm, the rotating groove (41) is a circular groove, and the radius of the outer ring of the rotating groove (41) is smaller than the radius of the outer ring of the supporting outer plate shell (43) by 1 cm.

6. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the lower end of the inner surface of the supporting outer plate shell (43) is provided with a rotating groove (41), and the lower surface of the supporting outer plate shell (43) is provided with two limiting holes (42).

7. The anti-drop safety pressure riveting nut according to claim 6, characterized in that: two spacing holes (42) are located and support planking shell (43) lower surface front and back symmetric distribution, and spacing hole (42) are the slot, and reset spring (5) are the radius and are greater than nut piece (3) outer lane radius 1 cm's spring, and nut piece (3) are passed in reset spring (5), and rotatory piece (6) are the ring piece that radius and reset spring (5) radius are the same, rotatory piece (6) upper surface and reset spring (5) lower fixed surface are connected.

8. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the rotating plate shell (71) is a circular ring block, the radius of the inner ring of the rotating plate shell (71) is the same as that of the outer ring of the nut block (3), and the radius of the outer ring of the rotating plate shell (71) is the same as that of the inner ring of the supporting outer plate shell (43).

9. The anti-drop safety pressure riveting nut according to claim 1, characterized in that: the limiting block (72) is a cuboid block with the size same as that of the limiting hole (42), when the reset spring (5) is compressed, the rotating plate (7) is rotated to enable the limiting block (72) to be located in the rotating groove (41), and the rotating groove (73) is a circular groove with the size same as that of the rotating block (6).