CN214888267U

CN214888267U - Shockproof nut fastener

Info

Publication number: CN214888267U
Application number: CN202121284445.9U
Authority: CN
Inventors: 梅列文; 梅小文; 程欢
Original assignee: Hubei Mingdao New Energy Wind Power Co Ltd
Current assignee: Hubei Mingdao New Energy Wind Power Co Ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-26
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a nut fastener takes precautions against earthquakes, including the nut main part, the nut cushion is installed to the bottom of nut main part, and the internally mounted of nut main part has the elasticity to press from both sides the cover, the surface that the elasticity pressed from both sides the cover is provided with the arc wall, and the internally mounted that the elasticity pressed from both sides the cover has a bearing assembly, the upper end of bearing assembly is connected with fixation nut through the fixed axostylus axostyle, and fixation nut's interior table wall is provided with the screw thread, first damping washer and second damping washer are installed respectively to the inside bottom position department of nut main part, and first damping washer is located the top of second damping washer, and closely the laminating is fixed between first damping washer and the second damping washer. The utility model discloses a to the inside shock attenuation protection formula design that carries on of nut, utilize the elasticity to press from both sides the cover and wrap up the protection to its inside, cooperation damping washer cushions protection to its bottom, can prevent effectively that the nut from bumping or falling and cause the internals to damage.

Description

Shockproof nut fastener

Technical Field

The utility model relates to a nut installation technical field specifically is a nut fastener takes precautions against earthquakes.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials. The nuts are generally divided into self-locking nuts, locknuts, four-jaw nuts, screw-in nut lock nuts, thin rod screw connection nuts, self-locking hexagonal cap-shaped nuts, nuts for special foundation screws, hexagonal crown-shaped thin nuts, and eye nuts.

The current nut fastener shock attenuation effect is relatively poor, easily causes the nut internal connection spare to bump and damages, therefore the market urgently needs to develop a neotype shockproof nut fastener and solves the above-mentioned problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut fastener takes precautions against earthquakes to current nut fastener shock attenuation effect that proposes in solving above-mentioned background art is relatively poor, easily causes the problem that nut internal connection spare bumps and damages.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut fastener takes precautions against earthquakes, includes the nut main part, the nut cushion is installed to the bottom of nut main part, and the internally mounted of nut main part has the elastic jacket, the surface that the elastic jacket pressed from both sides is provided with the arc wall, and the internally mounted that the elastic jacket pressed from both sides has a bearing assembly, the upper end of bearing assembly is connected with fixation nut through the fixed axostylus axostyle, and fixation nut's interior table wall is provided with the screw thread, first damping washer and second damping washer are installed respectively to the inside bottom position department of nut main part, and first damping washer is located the top of second damping washer, and closely the laminating is fixed between first damping washer and the second damping washer.

Preferably, a fastening gasket is arranged between the nut body and the nut cushion seat.

Preferably, the elastic jacket is tightly attached to the inner surface wall of the nut body.

Preferably, the bearing assembly is tightly attached to the arc-shaped groove.

Preferably, the fixing nut is screwed and fixed with a threaded rod through threads.

Preferably, the nut body is provided with an engaging groove therein, and the elastic jacket is located inside the engaging groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the internally mounted of nut main part has the elasticity to press from both sides the cover, the surface that the elasticity pressed from both sides the cover is provided with the arc wall, the interior table wall that elasticity pressed from both sides the cover and the nut main part closely laminates, closely laminate between bearing subassembly and the arc wall, through carrying out the shock attenuation protection formula design to the nut inside, utilize the elasticity to press from both sides the cover to wrap up inside and protect, first shock attenuation packing ring and second shock attenuation packing ring are installed respectively to the inside bottom position department of nut main part, carry out buffer protection to the nut bottom through cooperation shock attenuation packing ring, can prevent effectively that the nut from bumping or falling and cause the internals to damage, can improve nut assembly's connection compactness and life greatly.

Drawings

Fig. 1 is a front view of the present invention;

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

FIG. 3 is a schematic view of the internal installation structure of the present invention;

fig. 4 is a schematic structural view of a first cushion ring of the present invention.

In the figure: 1. a threaded rod; 2. fixing the shaft lever; 3. fixing a nut; 4. a nut body; 5. fastening a gasket; 6. a nut block; 7. a thread; 8. a clamping groove; 9. an elastic jacket; 10. a bearing assembly; 11. an arc-shaped slot; 12. a first cushion ring; 13. a second cushion washer.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a nut fastener takes precautions against earthquakes, including nut main part 4, nut cushion 6 is installed to the bottom of nut main part 4, the internally mounted of nut main part 4 has elastic jacket 9, elastic jacket 9's surface is provided with arc wall 11, elastic jacket 9's internally mounted has bearing assembly 10, bearing assembly 10's upper end is connected with fixing nut 3 through fixing shaft pole 2, fixing nut 3's interior table wall is provided with screw thread 7, inside bottom position department of nut main part 4 installs first cushion ring 12 and second cushion ring 13 respectively, first cushion ring 12 is located the top of second cushion ring 13, and it is fixed to closely laminate between first cushion ring 12 and the second cushion ring 13.

Further, a fastening gasket 5 is arranged between the nut body 4 and the nut pad 6, and the fastening gasket 5 plays a role in connection, reinforcement and stabilization, so that the nut body 4 and the nut pad 6 are firmer.

Further, the elastic clamping sleeve 9 is tightly attached to the inner surface wall of the nut body 4, and the elastic clamping sleeve 9 is used for elastically wrapping and protecting the inner surface wall of the nut body 4.

Further, the bearing assembly 10 is tightly attached to the arc-shaped groove 11, so that the tight connection between the bearing assembly 10 and the elastic jacket 9 is facilitated.

Further, fixation nut 3 connects soon through screw 7 and is fixed with threaded rod 1, possesses simple to operate swift, connects inseparable stable advantage.

Further, an engaging groove 8 is provided in the nut body 4, the elastic collet 9 is positioned in the engaging groove 8, and the engaging groove 8 can stably fix the elastic collet 9.

The working principle is as follows: when in use, the bottom of the nut body 4 is provided with the nut cushion 6, the interior of the nut body 4 is provided with the elastic jacket 9, the surface of the elastic jacket 9 is provided with the arc-shaped groove 11, the elastic jacket 9 is tightly attached to the inner surface wall of the nut body 4, the elastic jacket 9 is used for elastically wrapping and protecting the inner surface wall of the nut body 4, the bearing assembly 10 is tightly attached to the arc-shaped groove 11 to promote the tight connection between the bearing assembly 10 and the elastic jacket 9, by the design of damping protection inside the nut body 4 and the wrapping protection inside the nut body by the elastic jacket 9, the bottom end of the inside of the nut body 4 is respectively provided with a first damping washer 12 and a second damping washer 13, the bottom of the nut body is buffered and protected by matching with the damping washers, can effectively prevent the nut body 4 from colliding or falling to cause the damage of internal parts, and can greatly improve the connection tightness and the service life of the nut component.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A shockproof nut fastener comprises a nut main body (4) and is characterized in that a nut cushion seat (6) is installed at the bottom of the nut main body (4), an elastic jacket (9) is installed inside the nut main body (4), the surface of the elastic jacket (9) is provided with an arc-shaped groove (11), a bearing assembly (10) is arranged in the elastic jacket (9), the upper end of the bearing assembly (10) is connected with a fixed nut (3) through a fixed shaft lever (2), the inner surface wall of the fixed nut (3) is provided with a thread (7), a first damping washer (12) and a second damping washer (13) are respectively arranged at the bottom end position in the nut main body (4), the first damping washer (12) is positioned above the second damping washer (13), and the first damping washer (12) and the second damping washer (13) are tightly attached and fixed.

2. A vibration-resistant nut fastener as defined in claim 1, wherein: and a fastening gasket (5) is arranged between the nut body (4) and the nut cushion seat (6).

3. A vibration-resistant nut fastener as defined in claim 1, wherein: the elastic jacket (9) is tightly attached to the inner surface wall of the nut body (4).

4. A vibration-resistant nut fastener as defined in claim 1, wherein: the bearing assembly (10) is tightly attached to the arc-shaped groove (11).

5. A vibration-resistant nut fastener as defined in claim 1, wherein: the fixing nut (3) is screwed and fixed with a threaded rod (1) through a thread (7).

6. A vibration-resistant nut fastener as defined in claim 1, wherein: the nut body (4) is internally provided with a clamping groove (8), and the elastic jacket (9) is positioned in the clamping groove (8).