CN104015645B - The clamping mechanism of a kind of handrail blanking cover and automobile - Google Patents
The clamping mechanism of a kind of handrail blanking cover and automobile Download PDFInfo
- Publication number
- CN104015645B CN104015645B CN201410268729.7A CN201410268729A CN104015645B CN 104015645 B CN104015645 B CN 104015645B CN 201410268729 A CN201410268729 A CN 201410268729A CN 104015645 B CN104015645 B CN 104015645B
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- blanking cover
- clamping mechanism
- block tongue
- handrail
- bolt hole
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Abstract
The invention discloses the clamping mechanism of a kind of handrail blanking cover, including blanking cover and the projection being located at blanking cover, the protruding bolt hole interference fit with handrail, in order to overcome the caducous defect of stopple in prior art, the clamping mechanism of the present invention arranges block tongue on blanking cover, draw-in groove, block tongue and card slot fit clamping it is provided with in the bolt hole of handrail.This technical scheme coordinated by block tongue and draw-in groove, it is to avoid coming off of blanking cover, improves the problems of the prior art.Meanwhile, the invention also discloses the automobile with above-mentioned clamping mechanism.
Description
Technical field
The present invention relates to the clamping mechanism of a kind of auto parts machinery, be specifically related to the clamping mechanism of a kind of handrail blanking cover, the invention still further relates to the automobile with above-mentioned clamping mechanism.
Background technology
For the vehicle that chassis is higher, in order to facilitate passenger to step on car, being generally equipped with ascension handle on trim panel, ascension handle is generally fixed on trim panel with screw, in order to avoid the screw installed exposes, generally adopts blanking cover to block, so that interior trim is attractive in appearance.
In prior art, the bolt hole of handrail is generally adopted stopple closure, as shown in Figure 1-2, without any location structure between the bolt hole of stopple 1 and handrail 2, mainly through the elastic deformation of stopple 1 self and the bolt hole interference fit of handrail 2 and fix, this kind of attachment structure is unreliable, and stopple easily comes off.
Summary of the invention
The invention provides the clamping mechanism of a kind of handrail blanking cover, can prevent handrail blanking cover from coming off.The present invention also provides for a kind of automobile including this clamping mechanism.
In order to achieve the above object, this invention takes following technical scheme:
A kind of clamping mechanism of handrail blanking cover, including blanking cover and the projection being located at described blanking cover, the bolt hole interference fit of described protruding and described handrail, described blanking cover also includes block tongue, being provided with draw-in groove, described block tongue and described draw-in groove clamping in described bolt hole, described projection is curved slab, described curved slab is located at the side of described block tongue the opposite side of circumferentially extending to the described block tongue along described bolt hole, and the both sides of described block tongue respectively with described bulge clearance predeterminable range.
Preferably, the end that snaps in of described block tongue is provided with wedge shape spigot surface.
Preferably, described block tongue is plane with the card access surface of described draw-in groove.
Preferably, described projection gradually tapers up tapered structure from the junction of described blanking cover along the degree of depth of described bolt hole, and described bolt hole is bellmouth, and the big end of described projection holds greatly interference fit with described bellmouth.
Preferably, also including locating dowel, described locating dowel coordinates location with the locating slot of described handrail.
Preferably, described locating dowel at least two.
Preferably, described blanking cover, projection, block tongue and locating dowel are integral type structure.
A kind of automobile, including the clamping mechanism of handrail blanking cover, described clamping mechanism is the clamping mechanism described in any of the above-described item.
What the present invention obtained has the beneficial effects that:
The invention provides the clamping mechanism of a kind of handrail blanking cover, including blanking cover and the projection being located at blanking cover, the protruding bolt hole interference fit with handrail, in order to overcome the caducous defect of stopple in prior art, the clamping mechanism of the present invention arranges block tongue on blanking cover, draw-in groove, block tongue and card slot fit clamping it is provided with in the bolt hole of handrail.This technical scheme coordinated by block tongue and draw-in groove, it is to avoid coming off of blanking cover, improves problems of the prior art.
Automobile provided by the invention includes the clamping mechanism of handrail blanking cover, and this clamping mechanism is the clamping mechanism described in any of the above-described item, and owing to this clamping mechanism has above-mentioned technique effect, the automobile comprising this clamping mechanism also should have identical technique effect.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of handrail and stopple in prior art；
Fig. 2 is the A-A view in Fig. 1；
Fig. 3 is the handrail scheme of installation with blanking cover of invention；
Fig. 4 is the axonometric drawing of an embodiment of the blanking cover of the present invention；
Fig. 5 is the B-B view in Fig. 3；
Fig. 6 is the C-C view in Fig. 3；
Fig. 7 is the D-D view in Fig. 5；
Fig. 8 is the partial enlarged view of E in Fig. 5.
Description of reference numerals:
1-stopple；2-handrail；
3-blanking cover；31-is protruding；32-block tongue；33-locating dowel；
4-handrail；41-bolt hole；42-draw-in groove；43-locating slot.
Detailed description of the invention
In order to make those skilled in the art be better understood from technical scheme, below in conjunction with accompanying drawing, the present invention is described in detail.
Shown in Fig. 3-8, in a kind of detailed description of the invention, the invention provides the clamping mechanism of a kind of handrail blanking cover, this clamping mechanism includes blanking cover 3 and is located at the projection 31 of blanking cover 3, bolt hole 41 interference fit of projection 31 and handrail 4.In order to overcome stopple in prior art easily to deviate from this defect of bolt hole of handrail, this is made that following technological improvement by the present invention: set up block tongue 32 on blanking cover 3, arranges draw-in groove 42 in bolt hole 41, and block tongue 32 coordinates clamping with draw-in groove 42.This technical scheme is on the basis of blanking cover 3 and handrail 4 interference fit, increase the clamping location structure between blanking cover 3 and handrail 4, avoid coming off of blanking cover 3, solve in prior art and hold caducous problem without any location structure between stopple and the bolt hole of handrail.
In above-mentioned detailed description of the invention, it is preferable that the end that snaps at block tongue 32 arranges the spigot surface of wedge shape, and this spigot surface is easy to snapping in of block tongue 32, likewise it is preferred that the card access surface of block tongue 32 and draw-in groove 42 is plane, card access surface is relatively set to inclined-plane and compares by this scheme, clamping is more firm, and effect is more excellent.
Block tongue 32 can be located at the outer wall of protruding 31, while protruding 31 with bolt hole 41 interference fit, realize the clamping of block tongue 32 and draw-in groove 42, however, it is contemplated that when block tongue 32 clamping deflection is bigger, interface arrangment is then more stable, and block tongue 32 is when being located at protruding 31, being subject to the restriction of protruding 31 when block tongue 32 deforms, clamping deflection is relatively small, causes that clamping is unreliable.In view of disadvantages described above, in the present embodiment, it is preferable that block tongue 32 is separately provided as cantilevered interface arrangment.This scheme can increase the elasticity of block tongue 32, thus increasing the clamping deflection of block tongue 32, makes clamping relatively reliable.And more preferably, in order to make up the weakening of bonding strength when block tongue 32 is separately provided, the area of block tongue 32 with the junction of blanking cover 3 is increased, thus increasing both bonding strengths, it is to avoid the stress of both junctions is concentrated and caused that block tongue ruptures.
Projection 31 and bolt hole 41 are interference fit, it is ensured that the compact siro spinning technology of blanking cover 3 and handrail 4.Protruding 31 optional below embodiments.Embodiment one: protruding 31 are set to entity structure, realizes coordinating location with the magnitude of interference of bolt hole 41 by it, in this embodiment, and the self-strength of projection 31 and with the bonding strength of blanking cover 3 relatively greatly, will not deform or rupture.But, the deflection of protruding 31 is relative also less, when the magnitude of interference of both designs, consider this factor, it is relatively small that the protruding magnitude of interference with bolt hole can design, after so arranging, protruding 31 coordinate for a long time with bolt hole 41 after can produce permanent plastic deformation and cause loosening or relative collect together.
Embodiment two: projection 31 is set to multiple, and multiple projection being provided at circumferentially spaced along bolt hole, this scheme relatively scheme one resilience in comparison increases to some extent, but assembly process process is poor and difficulty of processing is higher.Based on foregoing description, the preferred embodiment of the present invention three: projection 31 is set to curved slab, curved slab is located at the side of block tongue 32 and along the circumferentially extending opposite side to block tongue 32 of bolt hole 41, and protruding 31 respectively and interval, the both sides predeterminable range of block tongue 32.Embodiment three relatively embodiment one compares the deflection adding protruding 31, and relatively embodiment two compares and improves its difficulty of processing and assembly process process, and because curved slab is the structure extended to form continuously, bonding strength also can meet instructions for use.
And further, protruding 31 gradually taper up tapered structure from the junction of blanking cover 3 along the degree of depth of bolt hole 41, and meanwhile, bolt hole 41 is also set to bellmouth, realizes interference fit by the big end of protruding 31 with the big end of bellmouth.This structure reduces the area that coordinates of protruding 31 and bolt hole 41, and whole outer walls of more protruding 31 reduce the machining accuracy of protruding 31 and bolt hole 41, improve both fit qualities compared with coordinating with the inwall of bolt hole 41.During installation, small end by protruding 31 puts into bolt hole 41, small end may also function as guide effect when assembling, when reaching the matching part of protruding 31 and bolt hole 41, presses blanking cover 3, the interference that can realize both connects, this scheme coordinates area relatively small, assembles simple and convenient, simultaneously by the optimization to protruding 31 with both bolts hole 41 matching part, improve the mating surface between blanking cover 3 and handrail 4 poor so that both cooperation outward appearances are more attractive in appearance.
In the description above, bolt hole 41 is set to bellmouth, and this structure considers from the angle of Making mold, and the withdrawing pattern at bolt hole place is more prone to.In like manner, the projection of pyramidal structure also easy withdrawing pattern.It is appreciated that, when preferred embodiment three adopts the curved slab of pyramidal structure in the present invention, pyramidal structure can increase the bonding strength between projection and blanking cover.
As it is shown in fig. 7, clamping mechanism provided by the invention also includes locating dowel 33, locating dowel 33 coordinates location with the locating slot 43 of handrail 4.Locating dowel 33 can prevent blanking cover 3 from collecting together in bolt hole 41 further so that both cooperations are more stable.The preferably rectangular structure of locating dowel 33, locating slot 43 is rectangular channel, and is preferably opened in the inwall of bolt hole 41, and this structure processing technique is simple.Certainly, locating dowel 33 also may select other structures such as cylinder, swallow-tail form.
Further, locating dowel 33 is at least set to two, multiple locating dowel 33 being provided at circumferentially spaced along bolt hole, and what multiple locating dowels 33 can strengthen blanking cover 3 and handrail 4 better coordinates location.
The clamping mechanism of handrail blanking cover provided by the invention, after blanking cover 3 is assemblied in handrail 4, the curved profile of blanking cover 3 matches with handrail 4 profile, coordinates aesthetics higher.And blanking cover 3, projection 31, block tongue 32 and the preferred integral structure of locating dowel 33, adopt Shooting Technique one-body molded, processing technique is simple.
Automobile provided by the invention includes the clamping mechanism of handrail blanking cover, and this detent mechanism is the detent mechanism described in any of the above-described scheme, and owing to this detent mechanism has above-mentioned technique effect, the automobile including this detent mechanism should have identical technique effect.
Although the present invention is described in conjunction with above example, but the present invention is not limited to above example, and it being only limited by the restriction of claim, it easily can be modified and change by this area general technical staff, but and without departing from the essential idea of the present invention and scope.
Claims (8)
1. the clamping mechanism of a handrail blanking cover, including blanking cover and the projection being located at described blanking cover, the bolt hole interference fit of described protruding and described handrail, it is characterized in that, described blanking cover also includes block tongue, is provided with draw-in groove in described bolt hole, described block tongue and described draw-in groove clamping, described projection is curved slab, and described curved slab is located at the side of described block tongue the opposite side of circumferentially extending to the described block tongue along described bolt hole, and the both sides of described block tongue respectively with described bulge clearance predeterminable range.
2. clamping mechanism according to claim 1, it is characterised in that the end that snaps in of described block tongue is provided with wedge shape spigot surface.
3. clamping mechanism according to claim 1, it is characterised in that the card access surface of described block tongue and described draw-in groove is plane.
4. clamping mechanism according to claim 1, it is characterized in that, described projection gradually tapers up tapered structure from the junction of described blanking cover along the degree of depth of described bolt hole, and described bolt hole is bellmouth, and the big end of described projection holds greatly interference fit with described bellmouth.
5. the clamping mechanism according to any one of claim 1-4, it is characterised in that also including locating dowel, described locating dowel coordinates location with the locating slot of described handrail.
6. clamping mechanism according to claim 5, it is characterised in that described locating dowel at least two.
7. clamping mechanism according to claim 5, it is characterised in that described blanking cover, projection, block tongue and locating dowel are integral type structure.
8. an automobile, including the clamping mechanism of handrail blanking cover, it is characterised in that described clamping mechanism is the clamping mechanism described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268729.7A CN104015645B (en) | 2014-06-16 | 2014-06-16 | The clamping mechanism of a kind of handrail blanking cover and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268729.7A CN104015645B (en) | 2014-06-16 | 2014-06-16 | The clamping mechanism of a kind of handrail blanking cover and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015645A CN104015645A (en) | 2014-09-03 |
| CN104015645B true CN104015645B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410268729.7A Active CN104015645B (en) | 2014-06-16 | 2014-06-16 | The clamping mechanism of a kind of handrail blanking cover and automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN104015645B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585459A (en) * | 2016-12-30 | 2017-04-26 | 奇瑞商用车（安徽）有限公司 | Passenger handrail installation structure |
Citations (7)
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|---|---|---|---|---|
| CN102717840A (en) * | 2012-06-29 | 2012-10-10 | 北京汽车股份有限公司 | Automobile floor blanking cover and manufacturing and installing methods thereof |
| CN202686499U (en) * | 2012-06-28 | 2013-01-23 | 北京汽车股份有限公司 | Automobile blocking cover and automobile |
| CN203358366U (en) * | 2013-07-22 | 2013-12-25 | 东风汽车公司 | Blocking cover structure of instrument board appliance switch |
| CN103660819A (en) * | 2013-12-11 | 2014-03-26 | 宁波市镇海伟辰机械制造有限公司 | Trailer hook blocking cover |
| CN103854901A (en) * | 2012-11-29 | 2014-06-11 | 东风汽车公司 | Circular plug cover fixing structure |
| CN103847524A (en) * | 2012-11-29 | 2014-06-11 | 东风汽车公司 | Blocking cover fixing structure |
| CN204077457U (en) * | 2014-06-16 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of clamping mechanism of handrail blanking cover and automobile |
-
2014
- 2014-06-16 CN CN201410268729.7A patent/CN104015645B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202686499U (en) * | 2012-06-28 | 2013-01-23 | 北京汽车股份有限公司 | Automobile blocking cover and automobile |
| CN102717840A (en) * | 2012-06-29 | 2012-10-10 | 北京汽车股份有限公司 | Automobile floor blanking cover and manufacturing and installing methods thereof |
| CN103854901A (en) * | 2012-11-29 | 2014-06-11 | 东风汽车公司 | Circular plug cover fixing structure |
| CN103847524A (en) * | 2012-11-29 | 2014-06-11 | 东风汽车公司 | Blocking cover fixing structure |
| CN203358366U (en) * | 2013-07-22 | 2013-12-25 | 东风汽车公司 | Blocking cover structure of instrument board appliance switch |
| CN103660819A (en) * | 2013-12-11 | 2014-03-26 | 宁波市镇海伟辰机械制造有限公司 | Trailer hook blocking cover |
| CN204077457U (en) * | 2014-06-16 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of clamping mechanism of handrail blanking cover and automobile |
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| Publication number | Publication date |
|---|---|
| CN104015645A (en) | 2014-09-03 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |