CN210318104U - Nut for mechanical equipment with good insulating property - Google Patents

Abstract

The utility model discloses a nut for mechanical equipment that insulating properties is good, including interior double-screw bolt, insulating cover, nut tightening piece, interior double-screw bolt be the cylinder type, interior double-screw bolt in the vertical interior double-screw bolt screw thread chamber that is equipped with in center, interior outer parcel of post have insulating cover, insulating cover and interior post between fixed connection, insulating cover upper end be equipped with can rather than the complex nut tightening piece, the utility model discloses a set up insulating cover in with the nut, can improve the insulating properties of nut through insulating cover, with interior double-screw bolt and outside isolation, through interior double-screw bolt and bolted connection, tighten the nut through nut tightening piece, better than the quality of traditional plastics insulating nut, not fragile, fastening properties is good, is difficult not hard up.

Description

Nut for mechanical equipment with good insulating property

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of nut, especially the technical field of good nut of insulating properties.

[ background of the invention ]

The nut is a nut, is screwed together with a bolt or a screw rod to play a role in fastening, is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials by an element which is necessary for manufacturing machinery, is a fixing tool, and is provided with a hole in the center and threads on the inner side of the hole. Nuts are often used in conjunction with appropriately sized screws to secure the respective engagement portions. However, most of existing nuts are made of metal and have conductivity, some special mechanical parts need to be insulated, so that safety is improved, most of existing insulating nuts are made of plastic materials, although insulating performance is met, the quality of the plastic nuts is poor, fastening performance is poor, and the nuts are easy to damage and loosen.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a nut for mechanical equipment that insulating properties is good, can improve the insulating properties of nut, and the quality of nut is better, and is not fragile, and fastening performance is good.

In order to realize the purpose, the utility model provides a nut for mechanical equipment that insulating properties is good, tighten up the piece including interior double-screw bolt, insulating cover, nut, interior double-screw bolt be the cylinder type, interior double-screw bolt in the vertical interior double-screw bolt screw thread chamber that is equipped with in center, interior outer parcel of screw bolt have an insulating cover, insulating cover and interior screw bolt between fixed connection, insulating cover upper end be equipped with can rather than the complex nut tighten up the piece.

Preferably, the side wall of the inner screw column is provided with a plurality of limiting flanges, the limiting flanges are vertically arranged, and the limiting flanges are matched with the inner part of the insulating sleeve.

Preferably, at least two limiting flanges are arranged, and the limiting flanges are equidistantly arranged around the center of the inner screw column.

Preferably, the upper end of the insulating sleeve is provided with a plurality of insulating sleeve convex blocks matched with the nut tightening piece, the nut tightening piece is provided with a nut tightening piece through hole matched with the insulating sleeve convex blocks, and the insulating sleeve convex blocks are arranged in the nut tightening piece through hole and are matched with the nut tightening piece through hole.

Preferably, the lower end of the insulating sleeve is provided with a convex skirt edge, and the lower end face of the convex skirt edge is uniformly provided with a plurality of anti-skid grains.

Preferably, the upper end of the insulating sleeve is provided with a limiting flange which can be matched with the upper end surface of the inner screw column, and the upper end surface of the inner screw column is wrapped by the limiting flange.

Preferably, the nut tightening piece is a regular hexagon or a regular quadrangle which can be matched with the bayonet wrench.

The utility model relates to a beneficial effect of nut for mechanical equipment that insulating properties is good: the utility model discloses a set up insulating cover in with the nut, can improve the insulating properties of nut through insulating cover, with interior double-screw bolt and outside isolation, through interior double-screw bolt and bolted connection, tighten up the nut through nut tightening piece, better than traditional plastics insulation nut's quality, it is not fragile, fastening properties is good, difficult not hard up.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a nut structure for a mechanical device with good insulation performance;

FIG. 2 is a front sectional view of a nut for a machine tool with good insulation performance;

FIG. 3 is a schematic plan view of a nut for a machine tool with good insulation performance according to the present invention;

FIG. 4 is a cross-sectional view of portion A-A of FIG. 1;

fig. 5 is a sectional view of a portion B-B in fig. 1.

In the figure: 1-inner stud, 2-insulating sleeve, 3-nut tightening piece, 11-inner stud thread cavity, 12-limit rib, 21-insulating sleeve bulge block, 22-convex skirt edge, 23-limit rib and 31-nut tightening piece through hole.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention

Referring to fig. 1, 2, 3, 4 and 5, the utility model relates to a nut for mechanical equipment with good insulation performance, which comprises an inner stud 1, an insulating sleeve 2 and a nut tightening piece 3, wherein the inner stud 1 is cylindrical, an inner stud thread cavity 11 is vertically arranged at the inner center of the inner stud 1, the insulating sleeve 2 is wrapped outside the inner stud 1, the insulating sleeve 2 is fixedly connected with the inner stud 1, the nut tightening piece 3 matched with the insulating sleeve 2 is arranged at the upper end of the insulating sleeve 2, a plurality of limiting flanges 12 are arranged on the side wall of the inner stud 1, the limiting flanges 12 are vertically arranged, the limiting flanges 12 are engaged with the inside of the insulating sleeve 2, at least two limiting flanges 12 are arranged, the limiting flanges 12 are equidistantly arranged around the center of the inner stud 1, a plurality of insulating sleeve convex blocks 21 matched with the nut tightening piece 3 are arranged at the upper end of the insulating sleeve 2, nut screwing member 3 on be equipped with can with the protruding piece 21 complex nut of insulating bush screw up a through-hole 31, the protruding piece 21 of insulating bush locate in the nut screws up a through-hole 31 and agree with nut screw up a through- hole 31, 2 lower extremes of insulating bush be equipped with protrusion shirt rim 22, protrusion shirt rim 22 under the terminal surface evenly be equipped with a plurality of anti-skidding lines 221, 2 upper ends of insulating bush be equipped with can with 1 up end complex spacing flange 23 of interior double-screw bolt, spacing flange 23 in with double-screw bolt 1 up end parcel, nut screw up member 3 for can with bayonet spanner complex regular hexagon or regular quadrangle.

The utility model discloses the working process:

the utility model relates to a nut for mechanical equipment that insulating properties is good is at the working process, is equipped with the nut and projects the required fixed double-screw bolt of one end orientation of shirt rim 22, the interior screw bolt screw thread chamber 11 of double-screw bolt 1 aligns the required fixed double-screw bolt in will, block 3 outer wall rotary wrench of nut tightening piece through the spanner and tighten the nut, the nut is tightened the back, interior screw bolt 1 and bolt and work piece contact, insulating cover 2 keeps apart between double-screw bolt 1 and the nut tightening piece 3 in with, the insulating properties of nut is improved.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (7)

1. The utility model provides a nut for mechanical equipment that insulating properties is good which characterized in that: including interior double-screw bolt (1), insulating cover (2), nut tightening piece (3), interior double-screw bolt (1) be the cylinder type, interior double-screw bolt (1) in the vertical interior double-screw bolt screw thread chamber (11) that is equipped with in center, interior double-screw bolt (1) outer parcel have insulating cover (2), insulating cover (2) and interior double-screw bolt (1) between fixed connection, insulating cover (2) upper end be equipped with and can twist tightening piece (3) rather than complex nut.

2. The nut for mechanical equipment with good insulating property as claimed in claim 1, wherein: the side wall of the inner stud (1) is provided with a plurality of limiting flanges (12), the limiting flanges (12) are vertically arranged, and the limiting flanges (12) are matched with the inside of the insulating sleeve (2).

3. The nut for mechanical equipment with good insulating property as claimed in claim 2, wherein: the number of the limiting flanges (12) is at least two, and the limiting flanges (12) are arranged around the center of the inner stud (1) at equal intervals.

4. The nut for mechanical equipment with good insulating property as claimed in claim 1, wherein: insulating cover (2) upper end be equipped with a plurality of can with nut tightening piece (3) complex insulating cover protruding piece (21), nut tightening piece (3) on be equipped with can with insulating cover protruding piece (21) complex nut tightening piece through-hole (31), insulating cover protruding piece (21) locate in nut tightening piece through-hole (31) and agree with nut tightening piece through-hole (31).

5. The nut for mechanical equipment with good insulating property as claimed in claim 1, wherein: the lower end of the insulating sleeve (2) is provided with a convex skirt edge (22), and the lower end face of the convex skirt edge (22) is uniformly provided with a plurality of anti-skid grains (221).

6. The nut for mechanical equipment with good insulating property as claimed in claim 1, wherein: the upper end of the insulating sleeve (2) is provided with a limiting flange (23) which can be matched with the upper end surface of the inner stud (1), and the upper end surface of the inner stud (1) is wrapped by the limiting flange (23).

7. The nut for mechanical equipment with good insulating property as claimed in claim 1, wherein: the nut tightening piece (3) is a regular hexagon or a regular quadrangle which can be matched with a bayonet spanner.

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