CN210218368U - High-strength protective square nut - Google Patents

Abstract

The utility model provides a protection cubic nut of high strength, including cubic nut and lag, the upper end of cubic nut is equipped with the fastener, be equipped with conical thread on the internal thread hole of fastening, just four apex angle departments of the top upper surface of fastener are equipped with first lug one by one, the bottom of fastener is equipped with the abrasionproof base, four apex angle departments of the top upper surface of abrasionproof base are equipped with the second lug one by one, the inner structure of cubic nut is equipped with wearing layer, antirust coat and compressive layer from outer to interior in proper order. The utility model has the advantages of reasonable design, convenient to use, the utilization of functionalization cubic nut, lag through lag embedding cubic nut, increase the protect function of high strength, also strengthened protective capacities when realizing high strength, improved the guard action of nut.

Description

High-strength protective square nut

Technical Field

The utility model mainly relates to the technical field of nuts, concretely relates to protection cubic nut of high strength.

Background

Nuts are also called nuts, and are screwed together with bolts or screws to play a fastening role, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials, the nuts are parts for tightly connecting mechanical equipment, and the nuts and studs with the same specification can be connected together through internal threads, for example, the nuts of M4-P0.7 can only be connected with bolts of M4-P0.7 series (in the nuts, M4 means that the inner diameter of the nut is about 4mm, and 0.7 means that the distance between two thread teeth is 0.7 mm); the same is true for aesthetic products, such as 1/4-10 nuts, which can only fit 1/4-10 screws (1/4 means that the inner diameter of the nut is about 0.15 inches, and 10 means 10 teeth per inch).

The nut is a connection mode in mechanical application, is usually used for disassembling and assembling, and the nut in the prior art is damaged due to no reinforcement measure, so that loss is caused, and the production problem in mechanical application is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a high-strength protective square nut for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a high-strength protective square nut comprises a square nut and a protective sleeve, wherein a fastener is arranged at the upper end of the square nut, conical threads are arranged in an inner threaded hole of the fastener, and first convex blocks are arranged at four top corners of the upper surface of the top end of the fastener one by one;

the bottom of the fastener is provided with an anti-abrasion base, and four top corners of the upper surface of the top end of the anti-abrasion base are provided with second convex blocks one by one;

the inner structure of the square nut is sequentially provided with an anti-abrasion layer, an anti-rust layer and a pressure-resistant layer from outside to inside;

first anti-skidding grooves are symmetrically formed in the outer surfaces of the two sides of the protecting sleeve, and anti-skidding stripes are arranged on the lower end face of the protecting sleeve;

the four top corners at the bottom of the protective sleeve are respectively provided with a first nesting, and the four top corners at the top inside the protective sleeve are respectively provided with a second nesting.

Furthermore, sawtooth bumps are arranged on the inner wall of the protecting sleeve one by one.

Furthermore, the outer surface all around of fastener is equipped with the sawtooth recess one by one, and a plurality of the sawtooth recess agrees with a plurality of the sawtooth lug mutually.

Furthermore, the upper surface of abrasionproof base is equipped with water drainage tank one by one, and is a plurality of water drainage tank's one end extends to the bottom of fastener.

Further, a plurality of the first nests are matched with a plurality of the first bumps.

Further, a plurality of the second nests are matched with a plurality of the second bumps.

Further, the outer wall of the two sides of the protecting sleeve is symmetrically provided with mounting ports, the two mounting ports are provided with butterfly knobs, and the two butterfly knobs are detachable.

Further, the depth of the drainage grooves is larger than the height of the anti-skid stripes.

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

one of which, the utility model has the advantages of reasonable design, convenient to use can reach the high strength protection to the nut through the setting of cubic nut and lag to increase the life of nut, the bilateral symmetry of lag is equipped with anti-skidding groove, and the lower terminal surface of lag is equipped with anti-skidding stripe, is difficult for droing when using, and the lug through cubic nut surface agrees with the effect that can have locking fastening mutually with the nestification of lag surface, and the concrete performance does: the damage to the screw cap from the outside can be reduced, the convex block of the square screw cap is matched with the nested structure of the protective sleeve, the damage to the screw cap from the external force can be reduced when the protective sleeve is used, and the protective effect is achieved.

And secondly, the utility model discloses a circular cone helicitic texture of square nut inner wall, the nature of its material promptly reaches the abrasionproof when using, and is rust-resistant, the effect of resistance to compression.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of a square nut of the present invention;

FIG. 2 is a schematic view of the structure of the protective cover of the present invention;

fig. 3 is a schematic view of the internal structure of the protective cover of the present invention;

fig. 4 is a schematic view of the internal structure of the square nut of the present invention.

Reference numerals: 1. a square nut; 1a, an anti-abrasion layer; 1b, an antirust layer; 1c, a compression resistant layer; 11. a fastener; 12. a first bump; 13. a conical thread; 14. a sawtooth groove; 15. an anti-abrasion base; 16. a water discharge tank; 17. a second bump; 2. a protective sleeve; 21. a butterfly knob; 22. a first anti-slip groove; 23. a saw-tooth bump; 24. a first nesting; 25. a second nesting; 26. anti-skid stripes; 27. and (7) installing the opening.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4 again, the high-strength protective square nut includes a square nut 1, a fastening member 11 is disposed at an upper end of the square nut 1, a conical thread 13 is disposed in an internal thread hole of the fastening member 11, and first protruding blocks 12 are disposed at four top corners of an upper surface of a top end of the fastening member 11 one by one; an anti-abrasion base 15 is arranged at the bottom of the fastener 11, and second convex blocks 17 are arranged at four top corners of the upper surface of the top end of the anti-abrasion base 15 one by one; the inner structure of the square nut 15 is sequentially provided with an anti-abrasion layer 1a, an anti-rust layer 1b and a pressure-resistant layer 1c from outside to inside; the outer surfaces of two sides of the protecting sleeve 2 are symmetrically provided with first anti-skidding grooves 22, and the lower end surface of the protecting sleeve 2 is provided with anti-skidding stripes 26; the four top corners at the bottom of the protection sleeve 2 are respectively provided with a first nesting 24, and the four top corners at the top inside the protection sleeve 2 are respectively provided with a second nesting 25.

Please refer to fig. 1 and 2 again, the inner wall of the protective cover 2 is provided with saw-tooth protrusions 23 one by one, the outer surface of the periphery of the fastening member 11 is provided with saw-tooth grooves 14 one by one, and the plurality of saw-tooth grooves 14 are matched with the plurality of saw-tooth protrusions 23. In this embodiment, the anti-slip function is achieved by the engagement of the serration groove 14 and the serration projection 23.

Referring to fig. 1 again, the upper surface of the wear-resistant base 15 is provided with a plurality of drainage grooves 16 one by one, and one end of each of the drainage grooves 16 extends to the bottom of the fastening member 11. In this embodiment, accumulated water can be quickly drained through the drainage grooves 16 in rainy and snowy weather, so that the service life of the square nut 1 is prolonged.

Referring again to fig. 1 and 2, a plurality of the first nests 24 are engaged with a plurality of the first bumps 12. In this embodiment, the first nest 24 and the first tab 12 are engaged with each other to prevent loosening.

Referring again to fig. 1 and 2, a plurality of the second nests 25 are engaged with a plurality of the second bumps 17. In the embodiment, the second nesting 25 and the second projection 17 are mutually matched, so that the fastening performance is improved, and meanwhile, the protection effect is achieved.

Please refer to fig. 2 again, the two outer walls of the protecting cover 2 are symmetrically provided with mounting openings 27, two of the mounting openings 27 are provided with butterfly knobs 21, and the two butterfly knobs 21 are detachable. In this embodiment, connect butterfly knob 21 through the installing port on the both sides outer wall of lag 2 and can realize that convenient dismantlement carries out recycle to convenient easy taking when using lag 2.

Referring to fig. 1 and 3 again, the depth of the drainage grooves 16 is greater than the height of the anti-skid strips 26, and in this embodiment, the drainage speed of the drainage grooves 16 is increased by the depth of the drainage grooves 16 being greater than the height of the anti-skid strips 26.

The utility model discloses an operation mode has as follows:

firstly, when the square nut 1 of the present invention is used, two butterfly screws 21 are installed on the two side installation ports 27 of the protecting sleeve 2, and then the protecting sleeve 2 is fitted around the square nut 1, so that the sawtooth grooves 14 on the square nut 1 and the sawtooth bumps 23 on the protecting sleeve 2 are engaged with each other, and the first bumps 12 on the square nut 1 and the first nests 24 on the protecting sleeve 2 are fitted with each other, and the second bumps 17 on the anti-wear base 15 and the second nests 25 on the protecting sleeve 2 are also fitted with each other, and then the first anti-slip grooves 22 on both sides of the protecting sleeve 2 are pressed against each other by a wrench to be screwed;

when in rainy or snowy weather, the plurality of drainage grooves 16 on the anti-wear base 15 can drain sewage, and the groove depth of the plurality of drainage grooves 16 is larger than the protruding height of the anti-slip stripes 26, so that the drainage speed is improved.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims (8)

1. The utility model provides a protection tetragonal nut of high strength, includes tetragonal nut (1) and lag (2), its characterized in that: a fastening piece (11) is arranged at the upper end of the square nut (1), a conical thread (13) is arranged on an internal thread hole of the fastening piece (11), and first convex blocks (12) are arranged at four top corners of the upper surface of the top end of the fastening piece (11) one by one;

an anti-abrasion base (15) is arranged at the bottom of the fastener (11), and second convex blocks (17) are arranged at four top corners of the upper surface of the top end of the anti-abrasion base (15) one by one;

the inner structure of the square nut (1) is sequentially provided with an anti-wear layer (1 a), an anti-rust layer (1 b) and a pressure-resistant layer (1 c) from outside to inside;

first anti-skidding grooves (22) are symmetrically formed in the outer surfaces of the two sides of the protecting sleeve (2), and anti-skidding stripes (26) are arranged on the lower end face of the protecting sleeve (2);

the protecting sleeve is characterized in that first nests (24) are arranged at four top corners of the bottom of the protecting sleeve (2) one by one, and second nests (25) are arranged at four top corners of the inner top of the protecting sleeve (2) one by one.

2. A high strength, shielded quad nut as claimed in claim 1, wherein: the inner wall of the protective sleeve (2) is provided with sawtooth bumps (23) one by one.

3. A high strength, shielded quad nut as claimed in claim 2, wherein: the outer surface all around of fastener (11) is equipped with sawtooth recess (14) one by one, and a plurality of sawtooth recess (14) and a plurality of sawtooth lug (23) agree with mutually.

4. A high strength, shielded quad nut as claimed in claim 1, wherein: the upper surface of abrasionproof base (15) is equipped with water drainage tank (16) one by one, and is a plurality of the one end of water drainage tank (16) extends to the bottom of fastener (11).

5. A high strength, shielded quad nut as claimed in claim 1, wherein: a plurality of the first nests (24) are engaged with a plurality of the first bumps (12).

6. A high strength, shielded quad nut as claimed in claim 1, wherein: a plurality of said second nests (25) are engaged with a plurality of said second bumps (17).

7. A high strength, shielded quad nut as claimed in claim 1, wherein: the protection cover is characterized in that mounting ports (27) are symmetrically arranged on the outer walls of two sides of the protection cover (2), two butterfly knobs (21) are arranged on the mounting ports (27), and the two butterfly knobs (21) are detachable.

8. A high strength, shielded quad nut as claimed in claim 4, wherein: the groove depth of the plurality of drainage grooves (16) is larger than the protruding height of the anti-skid stripes (26).

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