CN203702805U - Hub bolt - Google Patents
Hub bolt Download PDFInfo
- Publication number
- CN203702805U CN203702805U CN201320739144.XU CN201320739144U CN203702805U CN 203702805 U CN203702805 U CN 203702805U CN 201320739144 U CN201320739144 U CN 201320739144U CN 203702805 U CN203702805 U CN 203702805U
- Authority
- CN
- China
- Prior art keywords
- bolt
- hub
- straight knurling
- knurling
- hub bolt
- 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
Links
- 239000000565 sealant Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses a hub bolt. The hub bolt comprises a head part, and a rod body of which the length is corresponding to the depth of a bolt mounting hole in the hub, wherein an external thread is formed in the rod body at the position matched with the bolt mounting hole; at least two circles of straight knurling are arranged in the outer side of the rod body at the position between the external thread and the head part; the grooves formed among the straight knurling are sleeved with matched seal rings. The hub bolt has the following benefits: 1, through the adoption of design of multistage straight knurling, the bolt can be mounted conveniently by slightly tapping the bolt into the threaded hole of the hub, the stepped outer diameter can reduce the dropping amplitude of the interference magnitude of the matching of the knurling part of the mounting hole and the hub bolt, the interference magnitude does not drop drastically once the first stage straight knurling is worn out, and the service life of the hub bolt is prolonged; the seal rings are arranged between the head part and the thread, and sealant is arranged at the combining position with a screw cap, so that the bolt is effectively prevented from corrosion and oxidation, and the service life of the hub bolt is prolonged.
Description
Technical field
The utility model relates to a kind of bolt, is specially a kind ofly for the boss bolt on wheel hub, belongs to hardware technical field.
Background technique
Bolt, is one of modal mechanical parts, the cylindrical threaded fastening piece of adapted nut.Bolt: by head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, need coordinate with nut, for being fastenedly connected two parts with through hole.This Connecting format claims bolt to connect.As nut is screwed off from bolt, can make again these two parts separately, be to belong to removably connect therefore bolt connects.
Boss bolt is called again tire bolt, in order to parts such as fixing brake drum and wheel hub and wheel disc and wheel hubs, coordinates in use with nut (comprising inner nut, cover nut and outer nut etc.), on fittings supply, is therefore and nut supply in full sets.
Boss bolt generally has stud bolt and two kinds of patterns of bolt:
(1) stud bolt formula boss bolt: stud bolt formula boss bolt is a double-screw bolt, and there is locating flange centre, and two ends have screw thread, in use, its inner is fixed on wheel hub, and outer end is connected with wheel disc with outer nut; During for trailing wheel twin tyre, need to add with cover nut and first fix when wheel disc interior, then will also fix with outer nut wheel disc when wheel disc is enclosed within on nut outward.
(2) bolt type boss bolt: one end is head, general all making cut the circle of and used as location is installed, the following shaft of head has rolled straight knurling, on its length and wheel hub, the degree of depth in construction bolt hole adapts, when installing, this bolt packs in the tapped hole of wheel hub with patting to coordinate, so save internal thread; The threaded part of bolt the other end tool, for the fixing wheel disc of outer nut.In the time that twins fills, also need to add encapsulation nut.
Nut used on boss bolt, except inner nut is identical with general nut.Ball (cone) face is all made in one end of cover nut and outer nut, makes to coordinate with the conical bolt hole on wheel disc.The screw thread of boss bolt and nut, except minority be left and right wheels general, great majority separate, the screw thread of wheel hub one end is installed, and right to take turns used be right-handed thread (along tooth), and what revolver was used is left-handed thread (anti-tooth), its screw thread (stud bolt formula) that is connected one end with wheel hub left and right wheels is right-handed thread, can avoid like this vehicle to advance time, nut has loosening possibility, and safety is guaranteed.
Also there is following problem in this bolt type boss bolt:
1, due to gapped between boss bolt and the mounting hole of brake disc, in long-term using process, the magnitude of interference that mounting hole coordinates with boss bolt annular knurl place reduces, and fastening responsive to axial force trends towards the head of bolt, easily causes head fracture;
2, because automobile running is on the road of varying environment, therefore, wheel hub unavoidably will relate to rainwater, acid mist, dust etc., can, by the corrosion of wheel hub screw thread, cause boss bolt to get rusty for a long time.
Model utility content
The purpose of this utility model is for a kind of boss bolt is provided, to solve the problems referred to above of prior art.
The purpose of this utility model is achieved through the following technical solutions.
A kind of boss bolt, comprises head, and the degree of depth in the construction bolt hole shaft that adapts on length and wheel hub, on shaft, is provided with outside thread with cooperation place, construction bolt hole; Shaft arranged outside between outside thread and head has at least two circle straight knurling; On the groove forming between straight knurling, be arranged with the seal ring of coupling.
The external diameter size of described straight knurling is different, and from head toward caudal directions, external diameter reduces gradually.With facilitate bolt install time with pat coordinate pack in the tapped hole of wheel hub.And the magnitude of interference that the external diameter of ladder-type can make mounting hole coordinate with boss bolt annular knurl place reduces amplitude and reduces, and extends the working life of boss bolt.
Described outside thread outside is coated with sealant layer.Can not get rusty in the junction that can ensure like this bolts and nuts.
The utlity model has following beneficial effect:
1, adopted the design of multistage straight knurling, both can facilitate bolt to install time, packed in the tapped hole of wheel hub with patting to coordinate.And the external diameter of the ladder-type magnitude of interference that can make mounting hole coordinate with boss bolt annular knurl place reduces amplitude and reduce, be unlikely to magnitude of interference after the wearing and tearing of one-level straight knurling and suddenly reduce, thereby extend working life of boss bolt.
2, between head and screw thread, seal ring is set, and is being provided with sealer with the junction of nut, can effectively prevent that bolt is corroded, is oxidized, increase the working life of boss bolt.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: 1, head 2, shaft 3, outside thread 4, straight knurling 5, groove.
Embodiment
Further set forth structural feature of the present utility model below in conjunction with specific embodiment.
A kind of boss bolt as depicted in figs. 1 and 2, comprises head 1, and the degree of depth in the construction bolt hole shaft 2 that adapts on length and wheel hub, on shaft 2, is provided with outside thread 3 with cooperation place, construction bolt hole; Shaft 2 arranged outside between outside thread 3 and head 1 have at least two circle straight knurling 4; On the groove 5 forming between straight knurling 4, be arranged with the seal ring of coupling.
The external diameter size of described straight knurling 4 is different, and from head 1 toward caudal directions, external diameter reduces gradually.Such design, packs in the tapped hole of wheel hub with patting to coordinate can facilitate bolt to install time.And the magnitude of interference that the external diameter of ladder-type can make mounting hole coordinate with boss bolt annular knurl place reduces amplitude and reduces, and extends the working life of boss bolt.
Described outside thread 3 outsides are coated with sealant layer.Can not get rusty in the junction that can ensure like this bolts and nuts.
Claims (3)
1. a boss bolt, comprises head, and the shaft that on length and wheel hub, construction bolt hole depth adapts, and on shaft, is provided with outside thread with cooperation place, construction bolt hole; It is characterized in that: the shaft arranged outside between outside thread and head has at least two circle straight knurling; On the groove forming between straight knurling, be arranged with the seal ring of coupling.
2. a kind of boss bolt according to claim 1, is characterized in that: the external diameter size of described straight knurling is different, and from head toward caudal directions, external diameter reduces gradually.
3. a kind of boss bolt according to claim 1, is characterized in that: described outside thread outside is coated with sealant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739144.XU CN203702805U (en) | 2013-11-20 | 2013-11-20 | Hub bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739144.XU CN203702805U (en) | 2013-11-20 | 2013-11-20 | Hub bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702805U true CN203702805U (en) | 2014-07-09 |
Family
ID=51053255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739144.XU Expired - Fee Related CN203702805U (en) | 2013-11-20 | 2013-11-20 | Hub bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020870A1 (en) * | 2015-08-06 | 2017-02-09 | 杨东佐 | Wheel |
-
2013
- 2013-11-20 CN CN201320739144.XU patent/CN203702805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020870A1 (en) * | 2015-08-06 | 2017-02-09 | 杨东佐 | Wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 314100, No. 8, Chi Chi Road, dry kiln town, Jiashan County, Jiaxing, Zhejiang Patentee after: Zhejiang Cowin Fastech CO., Ltd. Address before: Jiashan County of Jiaxing City, Zhejiang province 314100 dry kiln Town Road No. 88 Room 308 leaves Patentee before: ZHEJIANG COWIN FASTECH CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20201120 |