CN204985267U - Bihexagon nut that prevents dust - Google Patents

Abstract

The utility model proposes a twelve-corner dust-proof nut, which includes a nut body and a movable gasket. The outer cylinder of the nut body is evenly provided with twelve corner teeth, and the corner teeth are in the shape of an isosceles triangle. , the movable gasket is installed on the outer wall of the nut body, the inner cavity of the nut body runs through front and rear, the inner cavity of the nut body is provided with internal threads, and the end of the inner cavity of the nut body is provided with a ring groove, and the ring groove A dust-proof cover is installed, the thickness of the dust-proof cover matches the opening width of the ring groove, and the dust-proof cover is clamped in the ring groove to seal the end of the nut body. The utility model has simple structure and good performance The dust-proof effect can effectively prevent the nut from wearing and rusting, and the service life is longer.

Description

A twelve-angle dustproof nut

technical field

The utility model relates to a nut, in particular to a twelve-corner dustproof nut.

Background technique

Generally, the hub bolts of automobiles are matched with nuts, and the length of the thread portion of the bolts is longer than that of the nuts, so that it is difficult to ensure locking. However, the length of the thread part of the bolt is longer than that of the nut, and some of the thread of the bolt will be exposed to the air for a long time, which is easy to rust, corrode the bolt and nut, and there is often dust in the process of driving the car , soil or cement on the engineering vehicle will adhere to the bolt threads exposed to the air, so that the nuts will damage the bolt threads or nut threads during the disassembly process, reducing the service life of the bolts or nuts.

In addition, at present, the outer edge of the nut is mostly pentagonal or hexagonal, which requires a large wrench angle when used, especially when working in a narrow area, it is difficult for the user to tighten it, which limits The scope of application of the nut.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a twelve-corner dust-proof nut, which has a simple structure, has a good dust-proof effect, effectively prevents the nut from wearing and rusting, has a longer service life, and has a wider application range .

In order to achieve the above purpose, the technical solution provided by the utility model is: a dodecagonal dustproof nut, including a nut body and a movable gasket, the movable gasket is installed on the outer wall of the nut body, and the inner wall of the nut body The inner cavity of the nut body is provided with internal threads, and the outer cylinder of the nut body is evenly equipped with twelve angular teeth, the angular teeth are in the shape of an isosceles triangle, and the end of the inner cavity of the nut body is A ring groove is provided, and a dust cover is installed on the ring groove, the thickness of the dust cover matches the opening width of the ring groove, and the dust cover is clamped in the ring groove to seal the end of the nut body.

Further, the groove depth of the ring groove is 2-5mm, so that the dust cover can be firmly installed on the end of the nut body, not easy to fall off, and effectively block the dust. The bottom of the ring groove is equipped with a rubber pad, so The rubber pad is offset against the dust cover to increase the friction between the dust cover and the rubber pad, so that the dust cover is connected more tightly, avoiding friction with the nut body, and increasing the service life of the nut body.

Further, the inner cavity of the nut body has a circular cross-section, which is convenient for installation and use of the nut.

Further, the nut body is integrally formed, and the nut body is made of stainless steel, which prevents the nut body from rusting and greatly increases the service life of the nut body.

Compared with the prior art, it has the following beneficial effects:

1. The utility model is provided with a ring groove at the end of the inner cavity of the nut body, and the ring groove is equipped with a dust cover, and the dust cover effectively seals the end of the nut body, which can well block dust and effectively avoid The nut is worn and rusted, and the service life is longer; at the same time, a rubber pad is installed on the bottom of the ring groove, and the rubber pad is offset against the dust cover to increase the friction between the dust cover and the rubber pad, so that the dustproof The cover is connected more tightly to avoid friction with the nut body and increase the service life of the nut body.

2. The nut body of the utility model is integrally formed, and the nut body is made of stainless steel, which prevents the nut body from rusting and greatly increases the service life of the nut body.

3. Compared with the pentagonal and hexagonal nuts, the torque of the utility model is increased, so that during assembly, it can more effectively prevent the slipping of the jackhammer, make the tightening force more balanced and easier to tighten during assembly, and make it easier to tighten during assembly. It is good to reduce the generation of vibration, so that the tightness between the bolt and the hub is better.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is an enlarged view of the ring groove structure of the utility model.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

detailed description

As shown in Figures 1 to 2, a twelve-cornered dustproof nut includes a nut body 1 and a movable gasket 2, the movable gasket 2 is installed on the outer wall of the nut body 1, and the inner cavity of the nut body 1 runs through front and back. The inner cavity of the nut body 1 is provided with an internal thread 3, which is convenient for the nut body 1 and the bolt (not shown) to be installed in rotation.

Twelve angular teeth 11 are uniformly arranged on the outer cylinder of the nut body 1, and the angular teeth 11 are isosceles triangles. The torque of the twelve angular teeth is increased compared with the pentagonal and hexagonal nuts, so that it can be more effectively prevented during assembly. The slippage of the wind gun makes the tightening force more balanced and easier to tighten during assembly, which can better reduce vibration during assembly, so that the tightness of the fit between the bolt and the hub is better.

The end of the inner cavity of the nut body 1 is provided with an annular groove 6, and the annular groove 6 is equipped with a dustproof cover 4. The thickness of the dustproof cover 4 is adapted to the opening width of the annular groove 6, and the dustproof cover 4 is clamped in the annular groove 6 to The end of the nut body 1 is sealed, and the groove depth of the ring groove 6 is 2-5mm, so that the dust cover 4 can be firmly installed on the end of the nut body 1, which is not easy to fall off, and effectively blocks dust. The bottom of the ring groove 6 is installed with rubber Pad 5, the rubber pad 5 is offset against the dust cover 4, increasing the friction between the dust cover 4 and the rubber pad 5, making the connection of the dust cover 4 tighter, avoiding friction with the nut body 1, and increasing the friction of the nut body 1 service life.

The inner cavity cross section of nut body 1 is circular, which is convenient for nut installation and use.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modification or equivalent replacement of the technical solutions without departing from the spirit and scope of the technical solutions of the present utility model, all of which shall be covered by the scope of the claims of the present utility model.

Claims (5)

1. the dust-proof nut of bihexagon, comprise nut body and removable insole pieces, described removable insole pieces is arranged on the outer wall of nut body, through before and after the inner chamber of described nut body, described nut body inner chamber is provided with internal thread, it is characterized in that: the outer cylinder of described nut body is evenly provided with 12 angle teeth, described angle tooth is isosceles triangle, described nut body inner chamber end is provided with annular groove, described annular groove is provided with dust cover, and described dust cover is installed on described nut body end seal in annular groove.

2. the dust-proof nut of a kind of bihexagon according to claim 1, is characterized in that: thickness and the annular groove A/F of described dust cover are suitable.

3. the dust-proof nut of a kind of bihexagon according to claim 1, is characterized in that: the groove depth of described annular groove is 2-5mm, and the bottom land of described annular groove is provided with rubber pad, and described rubber pad and dust cover offset.

4. the dust-proof nut of a kind of bihexagon according to claim 1, is characterized in that: the lumenal cross-section of described nut body is for circular.

5. the dust-proof nut of a kind of bihexagon according to claim 1, it is characterized in that: described nut body is formed in one, described nut body is made up of stainless steel.