CN102506034A - Fastener of door trim panel - Google Patents
Fastener of door trim panel Download PDFInfo
- Publication number
- CN102506034A CN102506034A CN2011103649960A CN201110364996A CN102506034A CN 102506034 A CN102506034 A CN 102506034A CN 2011103649960 A CN2011103649960 A CN 2011103649960A CN 201110364996 A CN201110364996 A CN 201110364996A CN 102506034 A CN102506034 A CN 102506034A
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- pin portion
- plug pin
- decoration plate
- internal decoration
- door internal
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Abstract
The invention belongs to the field of car connectors, and particularly relates to a fastener of a door trim panel. The technical scheme for effectively preventing the fastener from being scratched during assembly and guaranteeing stability of insertion force of the fastener includes that the fastener comprises a pulley-shaped groove disc and a restraining ring, one outer end face of the groove disc extends outwards along the axis of the disc surface to form a bolt portion, the bolt portion is in the shape of a spindle integrally and capable of closing elastically and resetting in the radial direction, the restraining ring is in socket fit with the bolt portion, and the inner diameter of the restraining ring is equal to or slightly smaller than the bore diameter of preformed holes on sheet metal parts. Another technical scheme for realizing the structural performance while bringing convenience to assembling in production includes that the fastener comprises a groove disc and a restraining ring, the groove disc extends outwards to form a bolt portion, the bolt portion comprises elastic rib plates, the elastic rib plates surround to form the bolt portion which is in the shape of a spindle, the inner diameter of the restraining ring is equal to or slightly smaller than the bore diameter of preformed holes on sheet metal parts, and the inner wall of the restraining ring is in easy-breakage connection with the top end of the bolt portion.
Description
Technical field
The invention belongs to automobile link field, be specifically related to a kind of door internal decoration plate buckle.
Background technique
The door internal decoration plate buckle is widely used as being used for connecting element affixed between vehicle body sheet metal part and plaque.Its concrete structure is as shown in Figure 1 basically; Comprise pulley-like slotted disk 1; Outwards postpone along its card axle center and constitute plug pin portion 2 in one side end face of slotted disk 1, axial arranged several arch expansion muscle 2a of its plug pin portion 2, and the direction of its expansion muscle 2a and plug pin portion 2 direction that postpones is consistent.During actual the use, rely on to constitute to peg graft between the 1a of draw-in groove portion that is arranged in slotted disk 1 periphery and plaque A to cooperate, this moment again with in the pre-manufactured hole on its plug pin portion 2 insertion sheet metal part B with the formation snap fit; Because plug pin portion 2 has constituted similar swell fixture formula structure; In the sheet metal part assembly process; When plug pin portion 2 is passed through pre-manufactured hole gradually; Its maximum diameter place is by pass compressing and produce the pressurized elastic strain, through its maximum diameter place behind the pre-manufactured hole then again elastic reset finally to reach the connection purpose.Efficient and convenient and the easy operating of its integral installation of the buckle of said structure; Yet; The defective of its existence is also very important: because in the sheet metal part assembly process; The still inevitable pre-manufactured hole pass that relies on the sheet metal part that exists reaches its deformation assembling purpose with direct rigid contact of buckle plug pin portion, rubs when assembling between the two greatly, simultaneously again because technology burr and the actual artificially existence of operation factors on the sheet metal part; Often very easily cause the scratch of buckle plug pin portion, this has proposed baptism to buckle as the stability and the reliability of link; In case scratch occurs, also just certainly will greatly shorten its working life, thereby bring very big puzzlement for staff's practical operation.
Summary of the invention
Primary and foremost purpose of the present invention provides a kind of simple in structure and be suitable for practical door internal decoration plate buckle, the scratch phenomenon that can effectively avoid and even produce when stopping snap-fitted, and its reliable working performance is stable.
For realizing above-mentioned purpose; The present invention has adopted following technological scheme: a kind of door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk that cooperates with the vehicle body plaque; One side exterior edge face of the slotted disk formation plug pin portion that outwards postpones along its card axle center, said plug pin portion monnolithic case are the spindle shape and can make elasticity in the radial direction at it and draw in and reply deformation, and it is characterized in that: said door internal decoration plate buckle also comprises the toroidal confinement circle; Constitute slidably between said constraint circle and plug pin portion that socket cooperates, constraint circle internal diameter is equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion cooperates.
The major advantage of the above-mentioned structure of the present invention is: utilize constraint circle conduct and the direct rigid carrier that contacts of buckle plug pin portion; Rely on the constraint circle to force to draw in during assembling along the slide relative of plug pin portion and to it; Make it naturally through the pre-manufactured hole place on the sheet metal part; The scratch phenomenon that has produced when effectively having avoided relying on the snap-fitted that the pre-manufactured hole pass on the sheet metal part causes with direct rigid contact of buckle plug pin portion, its reliable working performance is stablized.
Another object of the present invention provides a kind of door internal decoration plate buckle, the scratch phenomenon that not only can effectively avoid and even produce when stopping snap-fitted, and practical operation simultaneously is easy, can greatly improve its efficiency of assembling.
For realizing above-mentioned purpose; The present invention has adopted following technological scheme: a kind of door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk that cooperates with the vehicle body plaque; One side exterior edge face of the slotted disk formation plug pin portion that outwards postpones along its card axle center, said plug pin portion comprise the elasticity gusset of arranging along its periphery, and said elasticity gusset profile is the spindle columnar structure that arc surfaced and its outer arc are enclosed plug pin portion; The length direction of said elasticity gusset and the plug pin portion direction that postpones is provided with in the same way; It is characterized in that: said door internal decoration plate buckle also comprises the toroidal confinement circle, and constraint circle internal diameter is equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion cooperates, and the easily broken formula of formation is connected between said constraint circle inwall and plug pin portion top.
The major advantage of the above-mentioned structure of the present invention is: on the one hand; Constraint circle conduct and the direct rigid carrier that contacts of buckle plug pin portion have been utilized, the scratch phenomenon that has produced when effectively having avoided relying on the snap-fitted that the pre-manufactured hole pass on the sheet metal part causes with direct rigid contact of buckle plug pin portion; On the other hand, because the constraint circle is directly to constitute easily broken formula to be connected with the plug pin portion top, this just makes it in actual production, need not the special constraint circle of producing; But can both be one-body molded; Take respectively constraint circle and the buckle that also need not when assembling simultaneously to waste time and energy, but directly take the present invention and press on the pre-manufactured hole place of sheet metal part, can realize above-mentioned assembly manipulation; The whole operation process is extremely convenient and swift, and its manufacturing efficiency is high.
Description of drawings
Fig. 1 is the assembly structure schematic representation of existing buckle;
Fig. 2 is the plan structure schematic representation of expansion muscle structure of the present invention;
Fig. 3 is the structural representation of elasticity reinforcing plate structure of the present invention;
The action schematic representation of the constraint circle when Fig. 4-5 is elasticity reinforcing plate structure of the present invention assembling;
Fig. 6 is the structure cross-sectional schematic after elasticity reinforcing plate structure assembling of the present invention is accomplished.
Embodiment
A kind of door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk 10 that cooperates with the vehicle body plaque; Outwards postpone along its card axle center and constitute plug pin portion 20 in one side exterior edge face of slotted disk 10; Said plug pin portion 20 monnolithic cases are the spindle shape and can do that elasticity is drawn in and reply deformation at it in the radial direction, and it is characterized in that: said door internal decoration plate buckle also comprises toroidal confinement circle 30, and said constraint circle 30 constitutes slidably with 20 of plug pin portion that socket cooperates; Constraint circle 30 internal diameters are equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion 20 cooperated, like Fig. 2 and shown in Figure 3.
In real work; Like Fig. 1 and shown in Figure 6; Consider that plug pin portion 20 itself must rely on external force that it is carried out compressing deformation; Can realize the complete assembly manipulation between itself and sheet metal part B, and if the pre-manufactured hole of sheet metal part B itself and directly plugging into of plug pin portion 20 can wear and tear because of the direct friction of metalwork and working of plastics spare again and cause the scratch phenomenon to plug pin portion 20 bodies; Therefore; Actual solution of the present invention is: utilize constraint circle 30 conducts and the buckle plug pin portion 20 direct rigid carriers that contact, rely on constraint circle 30 to realize along the slide relative of plug pin portion 20 and in its sliding process it is forced to draw in operation during assembling, the existence of constraint circle 30 not only can effectively guarantee the stable of its whole insertion force; Guarantee its reliable effectively assembling; Simultaneously since the two constraint circles 30 that match and plug pin portion 20 all can select for use as and with materials such as resins, its on the one hand, its material of steel is more soft relatively; Rigid friction is limited; On the other hand, its process for integrally manufacturing is easy to guarantee, thereby has avoided because of the defectives such as technology burr on the sheet metal part B plug pin portion 20 being produced wearing and tearing.
Because constraint circle 30 internal diameters are equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion 20 cooperated; When plug pin portion 20 realizes that its grafting for the sheet metal part pre-manufactured hole is operated; The constraint circle 30 that is positioned on the plug pin portion 20 is stopped the slip that produces relative plug pin portion 20 by sheet metal part B; Thereby powerful compressing plug pin portion 20 also makes it produce deformation in the radial direction, retrains it and is the gathering shape with the pre-manufactured hole place of safety through sheet metal part B; When plug pin portion 20 continues to move ahead; Because constraint circle 30 is hindered by sheet metal part B and is placed its pre-manufactured hole one side by retaining; The plug pin portion 20 of passing pre-manufactured hole and 30 constraints of disengaging constraint circle this moment produces deformation recovery radially and blocks sheet metal part, finally accomplishes whole grafting assembly manipulation." constraint circle 30 internal diameters are equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion 20 cooperated " here; Be appreciated that for: if its constraint circle 30 internal diameters are excessive; Then directly contact between plug pin portion 20 and sheet metal part pre-manufactured hole; Can't realize retraining the purpose of oppressing plug pin portion 20 actions in advance of circle 30 at all, and, then cause the size after its internal diameter size draws in less than plug pin portion 20 fully if its constraint circle 30 internal diameters are too small; Finally cause plug pin portion 20 can't pass constraint circle 30 at all; Also just can't realize its assembling purpose equally, its actual size of taking decides according to the aperture of pre-manufactured hole on the sheet metal part fully, to avoid direct rigid contact the between plug pin portion 20 and sheet metal part pre-manufactured hole as far as possible.
As further preferred version of the present invention; As shown in Figure 2; Said plug pin portion 20 comprises the expansion muscle 21a that is uniformly distributed with along its periphery; Said expansion muscle 21a profile is arcuation, and said expansion muscle 21a is more than two and the spindle columnar structure of the synthetic plug pin portion 20 of its arcuation outer arc one common peripheral, and the length direction of said expansion muscle 21a and plug pin portion 20 direction that postpones is provided with in the same way; Said constraint is enclosed 30 inwalls and is located to postpone that to its axle center cantilever 31 is arranged, and said cantilever 31 is postponed between the gap that probes into the muscle 21a that respectively expands and constituted staggered pegging graft between the two and cooperates.Like this, on the one hand, overall structure is simple, then can rely on guide type gap and 31 staggered clampings of cantilever of respectively expanding and constituting naturally between muscle 21a during assembling, can guarantee to retrain the assembling and positioning accurately of circle 30; On the other hand; Because it is comparatively extensive that the buckle of existing expansion muscle structure is used, can constraint circle 30 be made separately during practical application, then on existing buckle basis, directly assemble again; The actual product of being convenient to enterprise upgrades; While reduces to its renewal cost minimum again, accepts thereby be easier to enterprise, is suitable for applying.
Join efficient for further improving its actual work clothes; The present invention has further proposed following scheme: a kind of door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk 10 that cooperates with the vehicle body plaque; Outwards postpone along its card axle center and constitute plug pin portion 20 in one side exterior edge face of slotted disk 10, said plug pin portion 20 comprises the elasticity gusset of arranging along its periphery 21, and said elasticity gusset 21 profiles are the spindle columnar structure that arc surfaced and its outer arc are enclosed plug pin portion 20; The length direction of said elasticity gusset 21 and plug pin portion 20 direction that postpones is provided with in the same way; It is characterized in that: said door internal decoration plate buckle also comprises toroidal confinement circle 30, and constraint circle 30 internal diameters are equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion 20 cooperated, and said constraint encloses that the easily broken formula of formation is connected between 30 inwalls and plug pin portion 20 tops.
Above-mentioned easily broken formula connects and has guaranteed constraint circle 30 on the one hand at integrality assembling money and 20 of plug pin portion, and it is on-the-spot to above-mentioned both selection operations of taking one to one to guarantee that the assembly crewman need not, and directly takes especially during assembling to get final product; On the other hand; During practical set, in case buckle receives pressed by external force, its plug pin portion 20 gets in the sheet metal part pre-manufactured hole; Constraint circle 30 promptly receives this power effect and glides from plug pin portion 20 broken end and along its periphery elasticity gusset 21 outer arcs; Final completion is aforesaid, and integrated operation is convenient and swift for plug pin portion 20 constraints and gathering action, and manufacturing efficiency is higher.
Further preferred version as such scheme: said constraint is enclosed 30 inwalls and is postponed to place, its axle center cantilever 31 is arranged, and the easily broken formula of formation is connected between said cantilever 31 and plug pin portion 20 tops.At this moment; Actual finished product of the present invention can be with reference to as shown in Figure 3; Its cantilever 31 also can promptly be handled affairs in its connecting port and leave dummy notch earlier with reference to shown in Figure 3 with the effect that is connected between plug pin portion 20 tops, thereby makes it satisfy the performance requirement that receives certain external force and rupture naturally; Certainly, actual easily broken formula linkage structure is varied, and enterprise also can select according to own characteristic, requires as long as totally satisfy above-mentioned technology capability, just gives unnecessary details no longer one by one here.
Assemble fast for ease of reality; Offer the guide groove 22 that is used for guiding constraint circle 30 traffic directions on the said plug pin portion 20; Said guide groove 22 flute length directions and plug pin portion 20 length directions are provided with in the same way, and an end of said guide groove is postponed and terminated on the plug pin portion 20 and joint cantilever 31 to plug pin portion 20 tops.Actual shown in Fig. 3-5, when constraint circle 30 received the external force fracture, its cantilever 31 directly got into guide groove 22 places, and the formation guiding cooperates between the two, thereby had guaranteed the accurate reliability of constraint circle 30 and 20 assembling and positioning of plug pin portion.
Further, door internal decoration plate fastening forming mode preferred for this invention is an integrated injection molding, also is directly and realizes said structure through injection operation, low and convenient use of fabricating cost is convenient to actual production and made.
Further, for making reliably reclining of in assembly process sheet metal part and constraint circle 30, guarantee the stressed more stable of constraint circle 30, the cone table shape that 30 profiles are hollow is enclosed in said constraint, and its small end is pointed to slotted disk 10 places and is provided with.
Further, the root maximum diameter of 30 internal diameters more than or equal to plug pin portion 20 enclosed in said constraint.Because whole plug pin portion 20 constitutes like Fig. 2 and spindle shown in Figure 3; When constraint circle 30 is crossed the maximum radial dimension place of plug pin portion 20; Along with the continuation of assembling is goed deep into, constraint circle 30 is pushed to plug pin portion 20 bottoms, need not to take out; Can not influence simultaneously the switching performance of whole buckle yet, operate very efficient and convenient.
Claims (8)
1. door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk (10) that cooperates with the vehicle body plaque; Outwards postpone along its card axle center and constitute plug pin portion (20) in one side exterior edge face of slotted disk (10); Said plug pin portion (20) monnolithic case is the spindle shape and can makes elasticity in the radial direction at it and draw and reply deformation in; It is characterized in that: said door internal decoration plate buckle also comprises toroidal confinement circle (30), constitutes slidably between said constraint circle (30) and plug pin portion (20) that socket cooperates, and constraint circle (30) internal diameter is equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion (20) cooperated.
2. door internal decoration plate buckle according to claim 1; It is characterized in that: said plug pin portion (20) comprises the expansion muscle (21a) that is uniformly distributed with along its periphery; Said expansion muscle (21a) profile is arcuation; Said expansion muscle (21a) is more than two and the spindle columnar structure of the synthetic plug pin portion (20) of its arcuation outer arc one common peripheral; The length direction of said expansion muscle (21a) and plug pin portion (20) direction that postpones is provided with in the same way, and said constraint circle (30) inwall is postponed to its place, axle center has cantilever (31), and said cantilever (31) is postponed between the gap that probes into the muscle that respectively expands (21a) and constituted staggered pegging graft between the two and cooperates.
3. door internal decoration plate buckle; Comprise and be used for the pulley-like slotted disk (10) that cooperates with the vehicle body plaque; Outwards postpone along its card axle center and constitute plug pin portion (20) in one side exterior edge face of slotted disk (10); Said plug pin portion (20) comprises the elasticity gusset of arranging along its periphery (21); Said elasticity gusset (21) profile is the spindle columnar structure that arc surfaced and its outer arc are enclosed plug pin portion (20), and the length direction of said elasticity gusset (21) and plug pin portion (20) direction that postpones is provided with in the same way, and it is characterized in that: said door internal decoration plate buckle also comprises toroidal confinement circle (30); Constraint circle (30) internal diameter is equal to or slightly less than the aperture of pre-manufactured hole on the sheet metal part that plug pin portion (20) cooperated, and the easily broken formula of formation is connected between said constraint circle (30) inwall and plug pin portion (20) top.
4. door internal decoration plate buckle according to claim 3 is characterized in that: said constraint circle (30) inwall is postponed to place, its axle center has cantilever (31), and the easily broken formula of formation is connected between said cantilever (31) and plug pin portion (20) top.
5. door internal decoration plate buckle according to claim 4; It is characterized in that: offer the guide groove (22) that is used for guiding constraint circle (30) traffic direction on the said plug pin portion (20); Said guide groove (22) flute length direction and plug pin portion (20) length direction are provided with in the same way, and an end of said guide groove is postponed and terminated on the plug pin portion (20) and joints cantilever (31) to plug pin portion (20) top.
6. according to claim 3 or 4 or 5 described door internal decoration plate buckles, it is characterized in that: said door internal decoration plate buckle is an integrated injection molding.
7. according to claim 3 or 4 or 5 described door internal decoration plate buckles, it is characterized in that: said constraint circle (30) profile is the cone table shape of hollow, and its small end is pointed to slotted disk (10) and located to be provided with.
8. door internal decoration plate buckle according to claim 7 is characterized in that: said constraint circle (30) internal diameter is more than or equal to the root maximum diameter of plug pin portion (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103649960A CN102506034A (en) | 2011-11-17 | 2011-11-17 | Fastener of door trim panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103649960A CN102506034A (en) | 2011-11-17 | 2011-11-17 | Fastener of door trim panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102506034A true CN102506034A (en) | 2012-06-20 |
Family
ID=46218158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103649960A Pending CN102506034A (en) | 2011-11-17 | 2011-11-17 | Fastener of door trim panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102506034A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847653A (en) * | 2012-11-30 | 2014-06-11 | 北汽福田汽车股份有限公司 | Fixing device used for automobile ceiling, automobile and method for manufacturing automobile ceiling of automobile |
| CN106032130A (en) * | 2015-03-13 | 2016-10-19 | 天津市信霖塑料制品有限公司 | Automotive trim buckle |
| CN109367496A (en) * | 2017-08-07 | 2019-02-22 | 郑州宇通客车股份有限公司 | A kind of bale of pipeline fixed structure and the vehicle using the bale of pipeline fixed structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6594870B1 (en) * | 2001-01-22 | 2003-07-22 | Johnson Controls Technology Company | Panel fastener |
| CN201771899U (en) * | 2010-07-21 | 2011-03-23 | 胡赛高 | Fastener with improved structure |
| CN102003439A (en) * | 2010-10-29 | 2011-04-06 | 宁波信泰机械有限公司 | Novel fastener |
| CN202326558U (en) * | 2011-11-17 | 2012-07-11 | 黄山市必利精密塑业科技有限公司 | Fastener of internal decorative plate of door |
-
2011
- 2011-11-17 CN CN2011103649960A patent/CN102506034A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6594870B1 (en) * | 2001-01-22 | 2003-07-22 | Johnson Controls Technology Company | Panel fastener |
| CN201771899U (en) * | 2010-07-21 | 2011-03-23 | 胡赛高 | Fastener with improved structure |
| CN102003439A (en) * | 2010-10-29 | 2011-04-06 | 宁波信泰机械有限公司 | Novel fastener |
| CN202326558U (en) * | 2011-11-17 | 2012-07-11 | 黄山市必利精密塑业科技有限公司 | Fastener of internal decorative plate of door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847653A (en) * | 2012-11-30 | 2014-06-11 | 北汽福田汽车股份有限公司 | Fixing device used for automobile ceiling, automobile and method for manufacturing automobile ceiling of automobile |
| CN103847653B (en) * | 2012-11-30 | 2016-03-16 | 北汽福田汽车股份有限公司 | For the manufacture method of the anchor fitting of roof of the vehicle, automobile and roof of the vehicle thereof |
| CN106032130A (en) * | 2015-03-13 | 2016-10-19 | 天津市信霖塑料制品有限公司 | Automotive trim buckle |
| CN109367496A (en) * | 2017-08-07 | 2019-02-22 | 郑州宇通客车股份有限公司 | A kind of bale of pipeline fixed structure and the vehicle using the bale of pipeline fixed structure |
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Application publication date: 20120620 |