CN105508380A - Automotive interior and exterior trim connector - Google Patents
Automotive interior and exterior trim connector Download PDFInfo
- Publication number
- CN105508380A CN105508380A CN201610047929.9A CN201610047929A CN105508380A CN 105508380 A CN105508380 A CN 105508380A CN 201610047929 A CN201610047929 A CN 201610047929A CN 105508380 A CN105508380 A CN 105508380A
- Authority
- CN
- China
- Prior art keywords
- head
- bolt
- bolt head
- exterior trim
- pad
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005034 decoration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention belongs to the field of automotive interior and exterior trim fasteners, relates to an automotive interior and exterior trim connector and solves the problem that an existing hex bolt has unstable quality and is complex to operate and mount. In a technical scheme used, the connector comprises a bolt head, the outer contour of the bolt head is a regular hexagon, the bottom surface of the bolt head extends down to form a shank, the middle periphery of the shank is provided with a thread, the bottom end surface of the shank is provided with a chamfer, a washer is disposed at a joint of the bolt head and the shank, and the washer, the bolt head and the shank are integrally formed.
Description
technical field:
The invention belongs to automobile interior exterior decorations fastener areas, particularly relate to exterior trim link in a kind of car.
background technique:
Along with developing rapidly of automobile industry, vehicle body structure is also being continued to optimize, and the fastening requirements for the assembling of automobile interior exterior decorations is also more and more higher, and bolt is the fastening piece that current automobile interior exterior decorations are conventional.Bolt utilizes the inclined-plane circular rotating of object and the physics of frictional force and mathematical principle, the by easy stages instrument of fastening implements parts.In industry-by-industry, all play irreplaceable effect.But the bolt produced now, unreasonable due to which production aspect, cause the quality problems of bolt possibly, and existing a lot of bolt is all what to separate with pad, adds operating procedure.Therefore, how to enable bolt convenient, practical, when locking, industrial strength can be met and will to have hoped for success technician's problem to be solved in this field.
In addition, traditional flat gasket and spring washer are two different products.After bolt head is tightened, spring washer makes to screw between screw thread at the elastic reaction that pressing produces afterwards by the pawl head tilted and compresses, and meanwhile, the pawl head of tilting props up the supporting surface being connected component, plays anti-loose effect.But traditional compression spring is monodactyle formula, when tightening, the pawl head of tilting can be comparatively large to the surface failure being connected component, and be not suitable for the anti-loose process of the less component of surface hardness.
summary of the invention:
The present invention overcomes the deficiency that prior art exists, solve existing hex head bolt quality unstable, complicated problem is installed in operation, aim to provide exterior trim link in a kind of car, in this car, exterior trim connecting-piece structure is simple, convenient and practical, pad and bolt head are wholely set, increase the fastening effect of bolt, not easily loosen and skid.
For solving the problems of the technologies described above, the technical solution used in the present invention is: exterior trim link in car, comprise bolt head, the external frame of bolt head is regular hexagon, the bottom surface of bolt head extends to form screw rod downwards, and the outer rim in the middle part of screw rod is provided with screw thread, and the bottom end of screw rod is provided with chamfering, the junction point of described bolt head and screw rod is provided with pad, the one-body molded setting of described pad, bolt head and screw rod.
Further, the excircle of described pad is bending to screw rod direction.
Further, the excircle of described pad is provided with at least two pawl heads tilted, the identical and direction be to screw rod, the tilting direction of described pawl head tilts.
Further, the height that described pawl head tilts is less than the thickness of pad.
Further, the quantity of described pawl head is three, and three pawl head annulars are distributed on the excircle of pad.
Further, the lower surface of described pawl head is evenly provided with multiple anti-skidding groove.
Further, the end face of described bolt head is provided with cross clamping groove.
The present invention compared with prior art has following beneficial effect: pad is integrated into bolt head by the present invention, can increase the fastening effect of bolt, not easily loosens and skids, more not easy to wear, adds the working life of bolt.Simplify the installation process of hex head bolt, easy to use.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the plan structure schematic diagram of exterior trim link in car.
Fig. 3 be band pawl head car in the structural representation of exterior trim link.
In figure: 1 is bolt head, 2 is screw rod, and 3 is chamfering, and 4 is pad, and 5 is pawl head, and 6 is cross clamping groove.
embodiment:
For enabling object of the present invention, feature and advantage more become apparent, and explain the specific embodiment of the present invention below in conjunction with accompanying drawing.
Please refer to Fig. 1, Fig. 2, Fig. 1 is the schematic diagram of a kind of embodiment of exterior trim link in car provided by the present invention.
In this kind of embodiment, exterior trim link in car of the present invention, comprise bolt head 1, the external frame of bolt head 1 is regular hexagon, the bottom surface of bolt head 1 extends to form screw rod 2 downwards, and the outer rim in the middle part of screw rod 2 is provided with screw thread, and the bottom end of screw rod 2 is provided with chamfering 3, described bolt head 1 is provided with pad 4 with the junction point of screw rod 2, described pad 4, bolt head 1 and the one-body molded setting of screw rod 2.
Pad 4 and the one-body molded setting of bolt head 1, simplify manufacture and installation procedure, and after bolt head 1 bottom surface increases pad 4, add the area of contact of bolt head 1 and connected component, strengthen the join strength of hex head bolt and connected component, effectively prevent hex head bolt from getting loose and skid.
In order to increase the frictional force between bolt head 1 and connected component further, the excircle of described pad 4 is bending to screw rod 2 direction.After the excircle of pad 4 is slightly bending downwards, after hex head bolt is tightened, the excircle of bending pad 4 is flattened by bolt, pad 4 is only fitted in the surface of connected component by the spring-back force of pad 4 excircle, add the pressure force on bolt head 1 and connected component surface, thus the frictional force increased between bolt head 1 and connected component, effectively prevent hex head bolt to get loose skidding.
It should be noted that, the shape of above-described embodiment Intermediate gasket 4 can make circle also can be square, or according to other special shapes of practical situations design.
Please refer to Fig. 3, on the basis of above-described embodiment, in another kind of embodiment of the present invention, the excircle of described pad 4 is provided with at least two pawl heads 5 tilted, identical and pawl head 5 is to screw rod 2 direction, the tilting direction of described pawl head 5 tilts.And the height that described pawl head 5 tilts is less than the thickness of pad 4.
After hex head bolt is tightened, the lower surface of multiple pawl head 5 and connected component surface contact, equally, the spring-back force of pawl head 5 compresses the contact surface of connected component, increases the fastening frictional force of hex head bolt with this, and then increases the anti-loose ability of hex head bolt.And by arranging plural pawl head 5, pawl head 5 effectively can be avoided for the damage on connected component surface, reach the object repeatedly dismantled.
It should be noted that, the quantity only limiting pawl head 5 in the present embodiment is two or more, the quantity of pawl head 5 can be selected according to the size of bolt head 1, to reach suitable pretightening force and anti-loose object, conventional hex head bolt, the quantity of described pawl head 5 is three, and three pawl head 5 annulars are distributed on the excircle of pad 4.
On the basis of above-described embodiment, in another embodiment of the present invention, the lower surface of described pawl head 5 is evenly provided with multiple anti-skidding groove.Arranging of anti-skidding groove is to increase the frictional force increased further between bolt head 1 and connected component, preventing hex head bolt from getting loose equally.
On the basis of above-described embodiment, in another embodiment of the present invention, the end face of described bolt head 1 is provided with cross clamping groove 6.The setting of cross clamping groove 6 is for outer-hexagonal bolt provides another tightening way.Even after outer-hexagonal profile wear, cross clamping groove 6 also can be utilized outer-hexagonal bolt tightening, add the working life of outer-hexagonal bolt.
It should be noted that, the cross clamping groove 6 mentioned in the present embodiment also can replace by other shape, utilize yi word pattern, meter-shape, if the area of bolt head 1 is larger, also the structures such as square, interior hexangle type, blossom type can be adopted, as long as can meet for hex head bolt provides another tightening way.
In sum, in car of the present invention, exterior trim link technique is simple, with low cost, and operation fast, simply, conveniently, can make the fastening effect of bolt better by increasing pad 4, not easily loosening and skidding, more difficult wearing and tearing, longer service life.And also add extra tightening way at bolt head 1, increase the working life of hex head bolt.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (7)
1. exterior trim link in car, it is characterized in that: comprise bolt head (1), the external frame of bolt head (1) is regular hexagon, the bottom surface of bolt head (1) extends to form screw rod (2) downwards, the outer rim at screw rod (2) middle part is provided with screw thread, the bottom end of screw rod (2) is provided with chamfering (3), and described bolt head (1) is provided with pad (4) with the junction point of screw rod (2), described pad (4), bolt head (1) and screw rod (2) one-body molded setting.
2. exterior trim link in car according to claim 1, is characterized in that: the excircle of described pad (4) is bending to screw rod (2) direction.
3. exterior trim link in car according to claim 1 and 2, it is characterized in that: the excircle of described pad (4) is provided with at least two pawl heads (5) tilted, the identical and direction be to screw rod (2), the tilting direction of described pawl head (5) tilts.
4. exterior trim link in car according to claim 3, is characterized in that: the height that described pawl head (5) tilts is less than the thickness of pad (4).
5. exterior trim link in car according to claim 4, is characterized in that: the quantity of described pawl head (5) is three, and three pawl head (5) annulars are distributed on the excircle of pad (4).
6. exterior trim link in car according to claim 5, is characterized in that: the lower surface of described pawl head (5) is evenly provided with multiple anti-skidding groove.
7. exterior trim link in car according to claim 1, is characterized in that: the end face of described bolt head (1) is provided with cross clamping groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047929.9A CN105508380A (en) | 2016-01-26 | 2016-01-26 | Automotive interior and exterior trim connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047929.9A CN105508380A (en) | 2016-01-26 | 2016-01-26 | Automotive interior and exterior trim connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508380A true CN105508380A (en) | 2016-04-20 |
Family
ID=55716602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610047929.9A Pending CN105508380A (en) | 2016-01-26 | 2016-01-26 | Automotive interior and exterior trim connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508380A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135559A (en) * | 2021-11-03 | 2022-03-04 | 东风柳州汽车有限公司 | Bolt connecting structure and method for engine |
-
2016
- 2016-01-26 CN CN201610047929.9A patent/CN105508380A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135559A (en) * | 2021-11-03 | 2022-03-04 | 东风柳州汽车有限公司 | Bolt connecting structure and method for engine |
| CN114135559B (en) * | 2021-11-03 | 2023-06-16 | 东风柳州汽车有限公司 | Bolt connection structure and method for engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207762109U (en) | A kind of flange face bolt | |
| CN209705058U (en) | Check bolt nut assembly | |
| CN105508380A (en) | Automotive interior and exterior trim connector | |
| CN207701557U (en) | A kind of modified racing car fastening assembly | |
| CN205559482U (en) | Exterior trim connecting piece in car | |
| CN205503680U (en) | Car fastener for inserts of moulding plastics | |
| CN110374982A (en) | A kind of automobile backing-up screw | |
| CN217519042U (en) | Automobile screw with anti-loosening structure | |
| CN106050878A (en) | Locknut and production method thereof | |
| CN105485120A (en) | Fastener for automotive injection molding inserts | |
| CN206010199U (en) | A kind of solder joint protects the mounting structure of copper coin | |
| CN215409721U (en) | Automobile fastener | |
| CN210318129U (en) | High-strength nylon locking nut | |
| CN210565685U (en) | Metal locking antiskid anti-loosening nut | |
| CN107939808A (en) | A kind of hexagonal fluting self-locking nut | |
| CN210799676U (en) | Check bolt for furniture | |
| CN211343667U (en) | Compound check nut | |
| CN203477010U (en) | Anti-slip anti-loosening bolt structure | |
| CN209743358U (en) | Self-locking nut | |
| CN205744791U (en) | A kind of pressure bolt | |
| CN206268225U (en) | A kind of locking piece | |
| CN102330732A (en) | Fastening connection structure for mechanical parts | |
| CN216691718U (en) | High-strength special-shaped fastener | |
| CN2531162Y (en) | Anti-skid locking bolt | |
| CN220706191U (en) | Automobile fastening nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |
|
| WD01 | Invention patent application deemed withdrawn after publication |