CN201539486U - Novel hub bolt - Google Patents
Novel hub bolt Download PDFInfo
- Publication number
- CN201539486U CN201539486U CN2009202638789U CN200920263878U CN201539486U CN 201539486 U CN201539486 U CN 201539486U CN 2009202638789 U CN2009202638789 U CN 2009202638789U CN 200920263878 U CN200920263878 U CN 200920263878U CN 201539486 U CN201539486 U CN 201539486U
- Authority
- CN
- China
- Prior art keywords
- bolt
- supporting surface
- screw rod
- locking teeth
- bolt head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a novel hub bolt, which comprises a screw rod and a bolt head, wherein one end of the screw rod is fixedly connected on the lower surface of the bolt head; a supporting surface is formed at the part outside the connecting position between the lower surface of the bolt head and the screw rod; and the supporting surface is convexly provided with a plurality of locking teeth. After adopting the technical scheme, compared with the prior art, the novel hub bolt of the utility model can increase the friction between the lateral surface of a bolt hole on a hub and the supporting surface of the bolt head by convexly arranging a plurality of locking teeth on the supporting surface, thus, when the tightening torque of the bolt reaches the requirement, the surfaces in contact with the locking teeth generate elastic deformation to lead the locking teeth on the supporting surface of the bolt head to be occluded on the lateral surface of the bolt hole to avoid loosening of the bolt and improve the tightening performance of the bolt so that the hub bolt cannot generate displacement when suffering from the shear force to protect the hub bolt and the bolt hole from being broken easily and further prolong the service life of the hub bolt.
Description
Technical field
The utility model relates to auto-parts, particularly a kind of boss bolt.
Background technique
The truck shearing force that boss bolt is subjected to when improper road work is very big, and then boss bolt is the component of frequent replacing of truck, and changes boss bolt continually, makes the aperture of wheel hub upper bolt hole become big easily.Existing boss bolt comprises screw rod and bolt head, one end of screw rod is fixedly connected on the lower surface of bolt head, part beyond the lower surface of bolt head and the joint of screw rod forms supporting surface, be close to the outside of bolt hole by this supporting surface, but the boss bolt of this structure, the supporting surface of its bolt head is comparatively smooth, when the aperture of bolt hole becomes big, boss bolt easily is subjected to displacement when bearing shearing force, thereby cause boss bolt loosening, its fastening poor-performing, and the boss bolt after loosening very easily causes boss bolt and bolt hole to be damaged when bearing shearing force, causes the working life of boss bolt shorter.
The model utility content
The purpose of this utility model provides that a kind of fastening performance is good, the novel hub bolt of long service life.
The technical solution of the utility model is such: a kind of novel hub bolt, comprise screw rod and bolt head, and an end of screw rod is fixedly connected on the lower surface of bolt head, and the part beyond the lower surface of bolt head and the joint of screw rod forms supporting surface; Convex with some locking teeth on the above-mentioned supporting surface.
Above-mentioned some locking teeth radially are evenly distributed on the above-mentioned supporting surface, and the land of locking tooth is towards the free end of screw rod, and plane and screw rod shaft axis that the land of above-mentioned some locking teeth protrudes are perpendicular.
The profile of tooth of above-mentioned locking tooth is an isosceles triangle.
After adopting technique scheme, a kind of novel hub bolt of the present utility model convexes with some locking teeth on the supporting surface of bolt.Compared with prior art; can increase frictional force between the supporting surface of wheel hub upper bolt hole outer side surface and bolt head convexing with some locking teeth on the supporting surface; like this; when the screw-down torque of bolt reaches requirement; the surface that locking tooth contacted produces resiliently deformable; locking tooth on the supporting surface of bolt head is engaged on the outer side surface of bolt hole; avoid bolt looseness; improved the fastening performance of bolt; then boss bolt can not produce displacement when bearing shearing force; protection boss bolt and bolt hole are not fragile, thereby prolong the working life of boss bolt.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
A kind of novel hub bolt of the present utility model, as shown in Figure 1, comprise screw rod 1 and bolt head 2, one end of its screw rod 1 is fixedly connected on the lower surface of bolt head 2, part beyond the joint of the lower surface of bolt head 2 and screw rod 1 forms supporting surface, convex with some locking teeth 3 on this supporting surface, the profile of tooth of locking tooth 3 is an isosceles triangle, some locking tooth 3 radially is evenly distributed on the supporting surface, and the land of locking tooth 3 is towards the free end of screw rod 1, and plane and screw rod 1 shaft axis that the land of some locking teeth 3 protrudes are perpendicular.
After adopting technique scheme, a kind of novel hub bolt of the present utility model convexes with some locking teeth 3 on the supporting surface of bolt head 2.Compared with prior art; can increase frictional force between the supporting surface of wheel hub upper bolt hole outer side surface and bolt head 2 convexing with some locking teeth 3 on the supporting surface; like this; when the screw-down torque of bolt reaches requirement; the surface that locking tooth 3 is contacted produces resiliently deformable; make locking tooth 3 on the supporting surface be engaged in the outer side surface of bolt hole; avoid bolt looseness; improved the fastening performance of bolt; then boss bolt can not produce displacement when bearing shearing force; protection boss bolt and bolt hole are not fragile, thereby have prolonged the working life of boss bolt.In the utility model, because the needs of the forging and forming technology of locking tooth 3 are provided with a circle tool withdrawal groove 4 at bolt head 2 lower surfaces between locking tooth 3 and screw rod 1.
Claims (3)
1. a novel hub bolt comprises screw rod and bolt head, and an end of screw rod is fixedly connected on the lower surface of bolt head, and the part beyond the lower surface of bolt head and the joint of screw rod forms supporting surface; It is characterized in that: convex with some locking teeth on the above-mentioned supporting surface.
2. a kind of novel hub bolt according to claim 1, it is characterized in that: above-mentioned some locking teeth radially are evenly distributed on the above-mentioned supporting surface, and the land of locking tooth is towards the free end of screw rod, and plane and screw rod shaft axis that the land of above-mentioned some locking teeth protrudes are perpendicular.
3. a kind of novel hub bolt according to claim 1 is characterized in that: the profile of tooth of above-mentioned locking tooth is an isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202638789U CN201539486U (en) | 2009-11-24 | 2009-11-24 | Novel hub bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202638789U CN201539486U (en) | 2009-11-24 | 2009-11-24 | Novel hub bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539486U true CN201539486U (en) | 2010-08-04 |
Family
ID=42590937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202638789U Expired - Fee Related CN201539486U (en) | 2009-11-24 | 2009-11-24 | Novel hub bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776104A (en) * | 2015-04-13 | 2015-07-15 | 张家港固耐特围栏系统有限公司 | Inner-hexagonal anti-loosening bolt |
-
2009
- 2009-11-24 CN CN2009202638789U patent/CN201539486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776104A (en) * | 2015-04-13 | 2015-07-15 | 张家港固耐特围栏系统有限公司 | Inner-hexagonal anti-loosening bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20111124 |