CN208719113U - A kind of rotation stop formula boss bolt - Google Patents
A kind of rotation stop formula boss bolt Download PDFInfo
- Publication number
- CN208719113U CN208719113U CN201821327892.6U CN201821327892U CN208719113U CN 208719113 U CN208719113 U CN 208719113U CN 201821327892 U CN201821327892 U CN 201821327892U CN 208719113 U CN208719113 U CN 208719113U
- Authority
- CN
- China
- Prior art keywords
- bolt head
- bolt
- link block
- base portion
- rotation prevention
- 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.)
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Abstract
The utility model discloses a kind of rotation stop formula boss bolts, including bolt head mechanism, link block and screw mechanism, the bolt head mechanism includes bolt head base portion and bolt head rotation prevention portion, the left and right ends of the bolt head base portion are equipped with bolt head rotation prevention portion, the bolt head rotation prevention portion is equipped with stabilizers, and stabilizers are cambered surface and the radian of stabilizers matches with the wheel hub cambered surface being in contact.The utility model enables bolt head preferably to coincide with wheel hub cambered surface by the globoidal structure of stabilizers on bolt head rotation prevention portion；It is less than the guiding light bar segment of bolt external thread diameter by being arranged below screw mechanism, guiding polished rod carries out vertically-guided before bolt and threaded hole occlusion, ensure that the vertical stress of bolt, reduce the probability of screw thread stripped thread；It is cooperated by bolt head base portion and bolt head rotation prevention portion and forms a umbrella blocked area in the top of link block, link block and screw mechanism are blocked, prevent rainwater from penetrating into, bolt is avoided to get rusty due to by rain erosion damage.
Description
[technical field]
The utility model relates to the technical field of boss bolt, in particular to a kind of rotation stop formula boss bolt.
[background technique]
Boss bolt is the high-strength bolt of vehicle connection wheel.Link position is the hub unit bearing of wheel, generally
In minicar is 10.9 grades, and large and medium-sized vehicle uses 12.9 grades, and the structure of boss bolt is usually annular knurl key shelves, screw thread shelves
With a cap head, T connector portion boss bolt is mostly 8.8 grades of ratings above, and the big torsion undertaken between automotive hub and axle connects
It connects, double head type boss bolt is mostly 4.8 grades of ratings above, undertakes the company of lighter torsion between automobile foreign steamer hub shell and tire
It connects, the hub bearing of car goes over most to be to use single-row tapered roller or ball bearing in pairs.With the development of technology, car
Widely use car hub unit.
The axle hub wheel bolt of present heavy-duty car, structure is mostly the shaft between the head of bolt and thread segment
It is processed as polished rod, this wheel bolt is pressed into the bolt hole on hub for vehicle wheel in interference fit when installation, and wheel bolt
Head is fabricated to the round seam allowance cooperation rotation stop on milling flat and wheel hub, but the wheel bolt rotation stop effect of this structure is not
It is good, it will appear wheel bolt rotation after nut fastening, or even occur after wheel bolt rotates that the plane seam allowance on wheel hub is serious
The phenomenon that abrasion deformation, makes Joint failure.And in the operating process of fastening, if it cannot be guaranteed that the vertical strength of bolt and threaded hole
It is insufficient or firmly excessive so as to cause oblique loading or operator's experience, it will lead to fragile threaded hole stripped thread.
In addition it after boss bolt is mounted on automotive wheel, exposes for a long time in air, especially moist wet rainy season
Normal damage of getting rusty, influences bolt service life, increases maintenance replacement cost.
[utility model content]
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of rotation stop formula boss bolt, protect
Bolt vertical stress during the fastening process has been demonstrate,proved, the probability of screw thread stripped thread is reduced, easy for assemble or unload, structure is simple, fastening is steady
Wheel hub cambered surface will not be cut when qualitative good and assembly, improves the stabilization of connection by changing the shape of existing cylindrical bolt head
Degree not can rotate after bolt fastening and loosen, at the same on bolt head rotation prevention portion stabilizers globoidal structure, enable bolt head preferably
It coincide with wheel hub cambered surface, bolt is not easy rotation damage wheel bore, will not cut wheel hub contacting surface.Good waterproof performance is kept away
Exempt from bolt to get rusty due to by rain erosion damage, extends bolt service life.
To achieve the above object, the utility model proposes a kind of rotation stop formula boss bolts, including bolt head mechanism, connection
The link block of block and screw mechanism, the bolt head mechanism and lower section by press bed stamping riveting, the link block with
For the screw mechanism of lower section by press bed stamping riveting, the bolt head mechanism includes bolt head base portion and bolt head rotation stop
The left and right ends in portion, the bolt head base portion are equipped with bolt head rotation prevention portion, the bolt head base portion and bolt head rotation prevention portion
It is an integral structure, the bolt head rotation prevention portion is equipped with stabilizers, and the stabilizers are the radian of cambered surface and stabilizers
It matches with the wheel hub cambered surface being in contact.
Preferably, the front and rear sides face of the bolt head mechanism is plane, the left and right two of the bolt head mechanism
Side is cambered surface, and the bolt head base portion is rectangular parallelepiped structure, longer sides and the screw mechanism phase of the bolt head base portion
Mutually vertical, the link block is connected with the longer sides of bolt head base portion, the shorter edge and bolt head of the bolt head base portion
Rotation prevention portion is connected.
Preferably, link block minimum point in the horizontal direction is in the horizontal direction most higher than bolt head rotation prevention portion
Low spot.
Preferably, the screw mechanism includes upper linkage section, thread segment and guiding light bar segment, the upper connection
Section, thread segment and guiding light bar segment are sequentially connected from top to bottom, and the upper linkage section, thread segment and guiding light bar segment are integrated
Formula structure, by press bed stamping riveting, the thread segment is equipped with outer spiral shell for the top of the upper linkage section and link block
Line, the size of the guiding light bar segment are less than externally threaded interior tolerance diametral, and the lower end of the guiding light bar segment is equipped with six
The bottom surface of side shape boss, the hexagon boss is equipped with screw-driver slot.
Preferably, the screw-driver slot is flat recess or cross recess.
Preferably, the bolt head base portion and bolt head rotation prevention portion cooperate and form one in the top of link block
Umbrella blocked area, the umbrella blocked area block link block and screw mechanism in lower section.
Preferably, the surface layer of the bolt head mechanism is equipped with waterproof layer.
The utility model has the beneficial effects that compared with prior art, a kind of rotation stop formula wheel hub spiral shell provided by the utility model
Bolt improves the stability of connection by changing the shape of existing cylindrical bolt head, not can rotate and loosen after bolt fastening, together
When bolt head rotation prevention portion on stabilizers globoidal structure, enable bolt head preferably with wheel hub cambered surface coincide, bolt is not easy to rotate
Wheel bore is damaged, wheel hub contacting surface will not be cut；It is less than bolt external thread diameter by being arranged below screw mechanism
It is oriented to light bar segment, guiding polished rod carries out vertically-guided before bolt and threaded hole occlusion, ensure that the vertical stress of bolt, subtract
The probability of few screw thread stripped thread；It is cooperated by bolt head base portion and bolt head rotation prevention portion and forms a umbrella in the top of link block
Shape blocked area, blocks link block and screw mechanism, and rainwater is flowed down along the epitaxial surface of bolt head mechanism, prevents rainwater from seeping
Enter, bolt is avoided to get rusty due to by rain erosion damage, extends bolt service life, and the surface layer of bolt head mechanism is equipped with waterproof
Layer, further increases the waterproof rustless property of bolt；By the way that screw-driver slot is arranged in hexagon boss bottom surface, convenient disassembly is used
It is more flexible.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of rotation stop formula boss bolt of the utility model.
In figure: 1- bolt head mechanism, 2- link block, 3- screw mechanism, 11- bolt head base portion, 12- bolt head rotation prevention portion,
13- waterproof layer, 121- stabilizers, the upper linkage section of 31-, 32- thread segment, 33- are oriented to light bar segment, 321- external screw thread, six side 331-
Shape boss.
[specific embodiment]
To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments,
The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve
The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features
With the description of technology, to avoid the concept for unnecessarily obscuring the utility model.
Refering to fig. 1, the utility model embodiment provides a kind of rotation stop formula boss bolt, including bolt head mechanism 1, link block
2 and screw mechanism 3, the link block 2 of the bolt head mechanism 1 and lower section passes through press bed stamping riveting, the link block 2
For screw mechanism 3 with lower section by press bed stamping riveting, the bolt head mechanism 1 includes bolt head base portion 11 and bolt head
The left and right ends of rotation prevention portion 12, the bolt head base portion 11 are equipped with bolt head rotation prevention portion 12,11 He of bolt head base portion
Bolt head rotation prevention portion 12 is an integral structure, and the bolt head rotation prevention portion 12 is equipped with stabilizers 121, the stabilizers
121 is cambered surfaces and the radian of stabilizers 121 matches with the wheel hub cambered surface being in contact.
The front and rear sides face of the bolt head mechanism 1 is plane, and the left and right sides of the bolt head mechanism 1 are arc
Face, the bolt head base portion 11 are rectangular parallelepiped structure, and the longer sides and screw mechanism 3 of the bolt head base portion 11 mutually hang down
Directly, the link block 2 is connected with the longer sides of bolt head base portion 11, the shorter edge and bolt head of the bolt head base portion 11
Rotation prevention portion 12 is connected.It is in the horizontal direction most that the minimum point in the horizontal direction of link block 2 is higher than bolt head rotation prevention portion 12
Low spot.The screw mechanism 3 includes upper linkage section 31, thread segment 32 and guiding light bar segment 33, the upper linkage section 31, spiral shell
Line section 32 and guiding light bar segment 33 are sequentially connected from top to bottom, the upper linkage section 31, thread segment 32 and guiding light bar segment 33
It is an integral structure, the top of the upper linkage section 31 and link block 2 pass through press bed stamping riveting, the thread segment 32
It is equipped with external screw thread 321, the size of the guiding light bar segment 33 is less than the interior tolerance diametral of external screw thread 321, the guiding
The lower end of light bar segment 33 is equipped with hexagon boss 331, and the bottom surface of the hexagon boss 331 is equipped with screw-driver slot.Described rises
Pilot trench is flat recess or cross recess.The bolt head base portion 11 and bolt head rotation prevention portion 12 cooperate in the upper of link block 2
It is rectangular at a umbrella blocked area, the umbrella blocked area blocks link block 2 and screw mechanism 3 in lower section.The spiral shell
The surface layer of Shuan Tou mechanism 1 is equipped with waterproof layer 13.
Utility model works process:
A kind of rotation stop formula boss bolt of the utility model during the work time, by the guiding light bar segment of the lower section of screw mechanism 3
33 extend into threaded hole to be installed, and guiding light bar segment 33 carries out vertically-guided before bolt and threaded hole occlusion, guarantee
The vertical stress of bolt reduces the probability of screw thread stripped thread；Bolt head base portion 11 and bolt head rotation prevention portion 12 cooperate even
The top for connecing block 2 forms a umbrella blocked area, blocks to link block 2 and screw mechanism 3, rainwater is along bolt head mechanism
1 epitaxial surface flows down, and prevents rainwater from penetrating into, and bolt is avoided to get rusty due to by rain erosion damage, extends bolt service life, and
The surface layer of bolt head mechanism 1 is equipped with waterproof layer 13, further increases the waterproof rustless property of bolt；Bolt head base portion 11 and bolt
Head rotation prevention portion 12 cooperates, and the cambered surface radian of stabilizers 121 matches with the wheel hub cambered surface being in contact, and improves the stabilization of connection
It spends, not can rotate and loosen after bolt fastening, bolt is not easy rotation damage wheel bore, will not cut wheel hub contacting surface；Six sides
Screw-driver slot is arranged in 331 bottom surface of shape boss, makes to dismantle more convenient, and use is more flexible.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of rotation stop formula boss bolt, it is characterised in that: including bolt head mechanism (1), link block (2) and screw mechanism (3),
The link block (2) of the bolt head mechanism (1) and lower section passes through press bed stamping riveting, the link block (2) and lower section
Screw mechanism (3) by press bed stamping riveting, the bolt head mechanism (1) includes bolt head base portion (11) and bolt head
The left and right ends of rotation prevention portion (12), the bolt head base portion (11) are equipped with bolt head rotation prevention portion (12), the bolt head base
Portion (11) and bolt head rotation prevention portion (12) are an integral structure, and the bolt head rotation prevention portion (12) is equipped with stabilizers (121),
The stabilizers (121) are cambered surface and the radian of stabilizers (121) matches with the wheel hub cambered surface being in contact.
2. a kind of rotation stop formula boss bolt as described in claim 1, it is characterised in that: before the bolt head mechanism (1)
Two sides are plane afterwards, and the left and right sides of the bolt head mechanism (1) are cambered surface, and the bolt head base portion (11) is length
Cube structure, longer sides and the screw mechanism (3) of the bolt head base portion (11) are mutually perpendicular to, the link block (2) with
The longer sides of bolt head base portion (11) are connected, shorter edge and bolt head rotation prevention portion (12) phase of the bolt head base portion (11)
Even.
3. a kind of rotation stop formula boss bolt as described in claim 1, it is characterised in that: the link block (2) is in level side
To minimum point be higher than bolt head rotation prevention portion (12) minimum point in the horizontal direction.
4. a kind of rotation stop formula boss bolt as described in claim 1, it is characterised in that: the screw mechanism (3) includes upper
Linkage section (31), thread segment (32) and guiding light bar segment (33), the upper linkage section (31), thread segment (32) and guiding polished rod
Section (33) is sequentially connected from top to bottom, and the upper linkage section (31), thread segment (32) and guiding light bar segment (33) are integral type
Structure, the top of the upper linkage section (31) and link block (2) are by press bed stamping riveting, on the thread segment (32)
Equipped with external screw thread (321), the size of the guiding light bar segment (33) is less than the interior tolerance diametral of external screw thread (321), described
The lower end for being oriented to light bar segment (33) is equipped with hexagon boss (331), and the bottom surface of the hexagon boss (331) is equipped with bottle opener
Slot.
5. a kind of rotation stop formula boss bolt as claimed in claim 4, it is characterised in that: the screw-driver slot is flat recess or ten
Word slot.
6. a kind of rotation stop formula boss bolt as described in claim 1, it is characterised in that: the bolt head base portion (11) and spiral shell
Bolt head rotation prevention portion (12), which cooperates, forms a umbrella blocked area in the top of link block (2), and the umbrella blocked area will
Link block (2) and screw mechanism (3) are blocked in lower section.
7. a kind of rotation stop formula boss bolt as described in claim 1, it is characterised in that: the table of the bolt head mechanism (1)
Layer is equipped with waterproof layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821327892.6U CN208719113U (en) | 2018-08-16 | 2018-08-16 | A kind of rotation stop formula boss bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821327892.6U CN208719113U (en) | 2018-08-16 | 2018-08-16 | A kind of rotation stop formula boss bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719113U true CN208719113U (en) | 2019-04-09 |
Family
ID=65978130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821327892.6U Expired - Fee Related CN208719113U (en) | 2018-08-16 | 2018-08-16 | A kind of rotation stop formula boss bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799300A (en) * | 2018-08-16 | 2018-11-13 | 嘉兴同辉汽配有限公司 | A kind of rotation stop formula boss bolt |
-
2018
- 2018-08-16 CN CN201821327892.6U patent/CN208719113U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799300A (en) * | 2018-08-16 | 2018-11-13 | 嘉兴同辉汽配有限公司 | A kind of rotation stop formula boss bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20210816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |