CN202926830U

CN202926830U - Shaft head nut used for automobile

Info

Publication number: CN202926830U
Application number: CN 201220600875
Authority: CN
Inventors: 吴志强; 陈钜全; 周建文; 曹景文; 徐志坚; 刘丽
Original assignee: GUANGDONG FUHUA CASTING CO Ltd
Current assignee: GUANGDONG FUHUA CASTING CO Ltd
Priority date: 2012-11-14
Filing date: 2012-11-14
Publication date: 2013-05-08
Anticipated expiration: 2022-11-14

Abstract

The utility model discloses a shaft head nut used for an automobile. The shaft head nut comprises a nut body, wherein one end of the nut body is provided with a screw cap; the end face of the other end of the nut body is provided with at least two mortises which extend along an axial direction of the nut body; and a salient is formed between the mortises. With the adoption of the above structure, the end face of the nut body is provided with the mortises and the structure of the salient which are mutually matched with other unsmooth parts, so that the defect that the shaft head nut is easy to loose is overcome.

Description

A kind of automobile axis head nut

Technical field

The utility model relates to engineering truck, auto parts and components fields, is specifically related to a kind of automobile axis head nut.

Background technique

Existing engineering truck, automobile axis head nut are generally standard nut, and the end of the nut body of this standard nut is the plane, can't cooperatively interact with non-level and smooth component, and cause nut easily loosening, easily cause the defective in use.

The model utility content

The purpose of this utility model is to provide a kind of automobile axis head nut, makes it solve the problem that nut easily becomes flexible, thereby more is fit to use.

For achieving the above object, the utility model adopts following technological scheme:

A kind of automobile axis head nut comprises nut body, and the end face that this nut body one end is provided with nut and the other end is provided with at least two tongue-and-grooves, and this tongue-and-groove extends along the axial direction of nut body, forms protuberance between tongue-and-groove.

Further, the end face of described nut body is equilateral polygon structure, and the number on limit is N; The quantity M of described tongue-and-groove satisfies M=N; Tongue-and-groove is positioned at the center position on every limit of this polygon structure.

Further, the quantity of described tongue-and-groove is even numbers, and arranges along the central axis annular array of described nut body.

Further, the end face of described nut body is hexagonal structure, and the quantity of described tongue-and-groove is six, forms six described protuberances.

Further, described protuberance is pentagonal configuration, and the outward edge of this protuberance is provided with the outer rim chamfering, and the inward flange of protuberance is provided with the inner edge chamfering.

Further, described tongue-and-groove is the tongue-and-groove that is U-shaped structure.

Further, the end face of described nut and described nut body forms the hierarchic structure of depression.

Further, described nut is ring, and its external diameter is 94mm ~ 102mm; Described hierarchic structure is rounded, and its diameter is 75mm ~ 103mm; The Extreme breadth of tongue-and-groove is 8mm ~ 12mm; The axial length of axis head nut is 32mm ~ 40mm; Tongue-and-groove is 14mm ~ 18mm along the degree of depth of described axial direction; The axial length of nut is 8mm ~ 12mm.

Further, the outer wall of this axis head nut is provided with the anti-corrosive primer layer.

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

1, the end face of nut body is provided with the structure of tongue-and-groove and protuberance, cooperatively interacts with other non-level and smooth component, the defective of having avoided axis head nut easily to become flexible;

2, tongue-and-groove is arranged along the central axis annular array of nut body, and is stressed even;

3, be provided with outer rim chamfering and inner edge chamfering, scratch skin when preventing from installing, and play leading role;

4, be provided with hierarchic structure, play leading role;

5, adopt specific size, better coordinate with other component;

6, anti-corrosive primer layer prevents that axis head nut from getting rusty, and increases the service life, and reduces the rate of fault of car load, avoids potential safety hazard;

7, adopt spheroidal graphite cast iron to make through integral forming process, manufacture simply, manufacturing efficiency is high, and output is large.

Description of drawings

Fig. 1 is the schematic perspective view that automobile of the present utility model is used axis head nut embodiment;

Fig. 2 is the front elevational schematic of Fig. 1;

Fig. 3 is that schematic diagram is looked on the left side of Fig. 2;

Fig. 4 is that Fig. 3 is along the generalized section of A-A direction;

In figure, the 1-nut body; The 11-right-hand member; The 12-left end; The 13-interior threaded hole; The 2-nut; The 3-tongue-and-groove; The 4-protuberance; 41-outer rim chamfering; 42-inner edge chamfering; 5-hierarchic structure.

Embodiment

The automobile axis head nut of the present embodiment, comprise nut body 1 as shown in Figures 1 to 4, and this nut body right-hand member 11 is provided with nut 2.The end face of this nut body left end 12 is provided with at least two tongue-and-grooves 3, and tongue-and-groove 3 extends along the axial direction X of nut body 1, forms protuberance 4 between two tongue-and-grooves 3.The axis head nut of the present embodiment adopts the structure of tongue-and-groove and protuberance, cooperatively interacts with other non-level and smooth component, the defective of having avoided axis head nut easily to become flexible.

The end face of this nut body 1 is equilateral polygon structure, and the number on limit is N; The quantity M of tongue-and-groove 2 satisfies M=N; Tongue-and-groove 2 is positioned at the center position on every limit of this polygon structure.Further, the quantity of tongue-and-groove 2 is even numbers, and arranges along the central axis annular array of nut body 1.In the present embodiment, the end face of nut body 1 is hexagonal structure, and the quantity of tongue-and-groove 3 is six, forms six protuberances 4.This protuberance 4 is pentagonal configuration, and the outward edge of this protuberance 4 is provided with outer rim chamfering 41, and the inward flange of protuberance 4 is provided with inner edge chamfering 42.

This tongue-and-groove 2 is for being the tongue-and-groove of U-shaped structure.In the present embodiment, tongue-and-groove 2 is arranged along the central axis annular array of nut body 1, and is stressed even; This tongue-and-groove 2 also is provided with outer rim chamfering 41 and inner edge chamfering 42, scratches skin when preventing from installing, and plays leading role.

Nut 2 forms with the end face of nut body right-hand member 11 hierarchic structure 5 that caves in, and plays leading role.

Nut 2 is ring, and its D outer diameter 1 satisfies 94mm≤D1≤102mm, preferred 98mm; Hierarchic structure 5 is rounded, and its diameter D2 satisfies 75mm≤D2≤103mm, preferred 79mm; The Extreme breadth D3 of tongue-and-groove 3 satisfies 8mm≤D3≤12mm, preferred 10.5mm; The axial length L1 of the present embodiment axis head nut satisfies 32mm≤L1≤40mm, preferred 36mm; Tongue-and-groove 3 satisfies 14mm≤L2≤18mm along the degree of depth L2 of axial direction X, preferred 16mm; The axial length L3 of nut 2 satisfies 8mm≤L3≤12mm, preferred 10mm.The present embodiment adopts specific size, better coordinates with other component.

The outer wall of the present embodiment axis head nut can also be provided with for antirust anti-corrosive primer layer, prevents that axis head nut from getting rusty, and increases the service life, and reduces the rate of fault of car load, avoids potential safety hazard.

The axis head nut of the present embodiment axis head nut for being made through integral forming process by spheroidal graphite cast iron, hardness satisfies HB170-240, manufactures simply, and manufacturing efficiency is high, and output is large.

In the present embodiment, nut body 1 can be provided with interior threaded hole 13, the preferred 52mm of the diameter of interior threaded hole 13.

The present embodiment automobile uses other structure of axis head nut referring to prior art.

The above, it is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, therefore every technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.

Claims

1. an automobile axis head nut, comprise nut body, it is characterized in that: the end face that described nut body one end is provided with nut and the other end is provided with at least two tongue-and-grooves, and this tongue-and-groove extends along the axial direction of nut body, forms protuberance between tongue-and-groove.

2. automobile axis head nut according to claim 1, it is characterized in that: the end face of described nut body is equilateral polygon structure, and the number on limit is N; The quantity M of described tongue-and-groove satisfies M=N; Tongue-and-groove is positioned at the center position on every limit of this polygon structure.

3. automobile axis head nut according to claim 1 and 2, it is characterized in that: the quantity of described tongue-and-groove is even numbers, and arranges along the central axis annular array of described nut body.

4. automobile axis head nut according to claim 3, it is characterized in that: the end face of described nut body is hexagonal structure, and the quantity of described tongue-and-groove is six, forms six described protuberances.

5. automobile axis head nut according to claim 4, it is characterized in that: described protuberance is pentagonal configuration, and the outward edge of this protuberance is provided with the outer rim chamfering, and the inward flange of protuberance is provided with the inner edge chamfering.

6. automobile axis head nut according to claim 1 and 2, it is characterized in that: described tongue-and-groove is the tongue-and-groove that is U-shaped structure.

7. automobile axis head nut according to claim 1, is characterized in that: the hierarchic structure of the end face formation depression of described nut and described nut body.

8. automobile axis head nut according to claim 7, it is characterized in that: described nut is ring, and its external diameter is 94mm～102mm; Described hierarchic structure is rounded, and its diameter is 75mm～103mm; The Extreme breadth of tongue-and-groove is 8mm～12mm; The axial length of axis head nut is 32mm～40mm; Tongue-and-groove is 14mm～18mm along the degree of depth of described axial direction; The axial length of nut is 8mm～12mm.

9. automobile axis head nut according to claim 1, it is characterized in that: the outer wall of described axis head nut is provided with the anti-corrosive primer layer.

10. automobile axis head nut according to claim 1, it is characterized in that: described nut body is provided with interior threaded hole.