CN102829052B - Fastening connecting component of vehicle plastic part - Google Patents
Fastening connecting component of vehicle plastic part Download PDFInfo
- Publication number
- CN102829052B CN102829052B CN201210351830.XA CN201210351830A CN102829052B CN 102829052 B CN102829052 B CN 102829052B CN 201210351830 A CN201210351830 A CN 201210351830A CN 102829052 B CN102829052 B CN 102829052B
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- Prior art keywords
- back taper
- fast
- diameter
- sleeve
- quick insertion
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Abstract
The invention discloses a fastening connecting component of a vehicle plastic part. The fastening connecting component comprises a quick insertion nail and a quick insertion sleeve, wherein the quick insertion nail comprises a first back taper and a second back taper which are coaxially arranged, the second back taper is provided with a first annular boss and a second annular boss, an end is arranged at the upper end of the quick insertion sleeve, the lower part of the quick insertion sleeve is divided into petals, the lower end of each petal is bended towards the axial line of the quick insertion sleeve to form a locking claw, and the quick insertion nail is inserted into the quick insertion sleeve. According to the fastening connecting component disclosed by the invention, the upper end of the quick insertion nail is pressed, so that each locking claw of the quick insertion sleeve drops into the space between the first annular boss and the second annular boss on the second back taper, the quick insertion sleeve is expanded, and fastening connection can be finished; and the quick insertion nail is continuously pressed, each locking claw drops into the lower part of the first back taper by passing by the second back taper, the quick insertion sleeve is tucked, and the fastening connecting component can be conveniently taken off. With the adoption of the fastening connecting component of the vehicle plastic part, installation is convenient and rapid, connection is firm and reliable, assembly and disassembly for the second time are not influenced, and die complexity of the plastic part is lowered.
Description
Technical field
The invention belongs to fastening structure technical field, be specifically related to a kind of assembly that is fastenedly connected of auto plastics part.
Background technique
The outer surface of motorcycle and automobile has a large amount of coverings, and these coverings are working of plastics, and for ensureing appearance quality, the gap between each covering should be as far as possible little, and connects reliable.Connection between a large amount of automobile-used coverings of China at present adopts tapping screw to clamp with draw-in groove the mode combining, as Fig. 1---and as shown in the of 3.
Adopt the Placement of tapping screw, need on working of plastics I, be provided with screw via hole, on working of plastics II, correspondence is provided with screw attachment post, self-drilling connection mode is had relatively high expectations to the mould of working of plastics I, in the time that tapping screw 3 diameters are determined, excessive there will be of mounting hole on screw attachment post, is installed insecure phenomenon, and mounting hole is excessive too smallly can occur in the installation process of tapping screw 3 that screw attachment post rises brokenly, causes connecting insecure phenomenon equally; And because the intensity of working of plastics own is low, in vehicle operating process, screw attachment post occurs that the possibility of fracture is large, also comparatively inconvenience of assembling is installed; Especially trouble, after installing with tapping screw 3, as there is secondary detachable maintaining situation, connecting reliability will reduce greatly, reaches the object of installation even at all.
The Placement that adopts draw-in groove clamping need to arrange strip hole on working of plastics II, and on working of plastics I, correspondence arranges hook 4, the hook of working of plastics I is snapped in after the strip hole of working of plastics II, moves into place and makes its clamping along the bearing of trend of strip hole.Compared with the Placement of tapping screw, this Placement assembling is simpler, and conformity of production is stronger, but because hook 4 is stressed for a long time, working of plastics is prone to fatigue fracture, and reliability is not guaranteed, and barb form has increased the difficulty of working of plastics mould; The Placement of draw-in groove clamping is along a direction assembling installing, therefore can not play position-limiting action to each orientation simultaneously, so being fastenedly connected of auto plastics part is generally that draw-in groove clamping is mixed with tapping screw at present, reached and once assembled the requirement to matching gap, but it all can not be guaranteed on property easy for installation, reliability, secondary disassembling function.
Summary of the invention
The present invention aims to provide a kind of quick and easy for installation, firm and reliable connection, secondary loads and unloads impregnable auto plastics part and is fastenedly connected assembly, and reduces the mould complexity of working of plastics.
For this reason, a kind of auto plastics part provided by the invention is fastenedly connected assembly, formed by fast plug pin (1) and fast sleeve (2), both are working of plastics, described fast plug pin (1) comprises the first back taper (11) and second back taper (12) of coaxial setting, described the first back taper (11) is positioned at the top of the second back taper (12), and be connected as a single entity with the second back taper (12), on described the second back taper (12), be provided with first, second hoop boss (13,14); The upper end of described fast sleeve (2) is with termination (21), and the bottom of fast sleeve (2) is divided into flap, and the lower end of each lobe forms claw (22) towards the axis bending of fast sleeve (2);
Described fast plug pin (1) inserts in fast sleeve (2), the upper end diameter of described the second back taper (12), first ring is all less than fast sleeve (2) diameter of bore to the diameter of boss (13) and the diameter of the second hoop boss (14), on the second back taper (12), be positioned at first ring and be greater than to the diameter of the part back taper between boss (13) and the second hoop boss (14) diameter of bore that each claw (22) surrounds, the lower end diameter of the first back taper (11) is less than the upper end diameter of the second back taper (12).
Assembling mode: fast sleeve is put in the circular hole of corresponding setting on two plastic parts, fast plug pin is inserted in fast sleeve, press the upper end of fast plug pin, the first ring that each claw of fast sleeve is fallen on the second back taper of fast plug pin is fastenedly connected to completing between boss and the second hoop boss, now be fastenedly connected assembly in working position, owing to being greater than to this part the back taper diameter between boss and the second hoop boss the diameter of bore that each claw surrounds at first ring on the second back taper, fast sleeve is expanded, being fastenedly connected assembly is clamped in the circular hole that on two plastic parts, correspondence arranges, ensure the tight connection of two plastic parts, in the time needing repairing dismounting, continue to press the upper end of fast plug pin, make each claw step the second back taper to fall into the bottom of the first back taper, fast sleeve draws in, lose dilation connect effect, due to the upper end diameter of the second back taper, first ring is all less than fast sleeve diameter of bore to the diameter of boss and the diameter of the second hoop boss, now can take off easily and be fastenedly connected assembly, realize quick-detachment.
As this programme preferably, the below of described the second back taper (12) is coaxially arranged with the 3rd back taper (15), and the 3rd back taper (15) is wholely set with first, second back taper (11,12), the upper end diameter of described the 3rd back taper (15) is less than the diameter of bore of fast sleeve (2), and the lower end diameter of the second back taper (12) is less than the upper end diameter of the 3rd back taper (15).Increase a back taper, before being seated, each claw of fast sleeve is fallen in the draw-in groove at the second back taper and the 3rd back taper link position place, avoid fast plug pin to deviate from fast sleeve.
Between described the first back taper (11) and the second back taper (12), between the second back taper (12) and the 3rd back taper (15), be provided with the connecting tendon (16) of " ten " font, described connecting tendon (16) is along the Axis Extension of fast sleeve (2), connecting tendon is set, can avoid two back tapers in the fracture of link position place, increase the series connection intensity between three back tapers.
As this programme further preferably, the upper end diameter of described the first back taper (11) is less than the diameter of bore of fast sleeve (2), in the time that the upper end of fast plug pin (1) flushes with the upper end of fast sleeve (2), each claw (22) just drops on first ring on the second back taper (12) between boss (13) and the second hoop boss (14), make to be fastenedly connected assembly in the time of working position, the upper end of fast plug pin can not be exposed at outside the termination of fast sleeve, and the two plastic parts after being fastenedly connected is more attractive in appearance.
Beneficial effect:
(1) only need on two plastic parts, open the circular hole that size is identical, make the mould of working of plastics more simple, correspondingly reduce the manufacture cost of two plastic parts;
(2) be fastenedly connected and dismantle constantly, all only need to press fast plug pin, the expansion by fast sleeve and draw in to realize and be fastenedly connected and install and remove, mounting or dismounting are convenient, easily, fast, safe and reliable;
(3) in assembling, dismounting and using process all not to each working of plastics, be fastenedly connected assembly and cause damage; in the time that secondary assembles, its connection, reliability are not affected, and have reached the requirement of guaranteeing appearance quality, protection internal structure, raising Safety performance.
Brief description of the drawings
Fig. 1 is the linkage structure of traditional automobile-used covering.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the structural representation that is fastenedly connected assembly of the auto plastics part of the first structural type.
Fig. 5 is the C-C sectional view of Fig. 4.
Fig. 6 is that the D of Fig. 4 is to view.
Fig. 7 is the mounting or dismounting schematic diagram that is fastenedly connected assembly of the auto plastics part of the first structural type.
Fig. 8 is the structural representation that is fastenedly connected assembly of the auto plastics part of the second structural type.
Fig. 9 is the mounting or dismounting schematic diagram that is fastenedly connected assembly of the auto plastics part of the second structural type.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the present invention is described in further detail:
Embodiment 1:
Auto plastics part is as shown in Figure 4 fastenedly connected assembly, is made up of fast plug pin 1 and fast sleeve 2, and both are working of plastics.Known in conjunction with Fig. 5, fast plug pin 1 is made up of the first back taper 11 coaxially arranging and the second back taper 12, and the first back taper 11 is positioned at the top of the second back taper 12, and the first back taper 11 is connected with the second back taper 12.On the second back taper 12, be provided with first ring to boss 13 and the second hoop boss 14, first ring is to boss 13 and the second hoop boss 14 between the upper and lower every arranging and being parallel to each other.Shown in Fig. 6, the upper end of fast sleeve 2 is with termination 21, and the bottom of fast sleeve 2 is divided into flap, and the lower end of each lobe forms claw 22 towards the axis bending of fast sleeve 2.The upper end diameter of the second back taper 12, first ring is all less than fast sleeve 2 diameter of bore to the diameter of boss 13 and the diameter of the second hoop boss 14, on the second back taper 12, be greater than to the diameter of the part back taper between boss 13 and the second hoop boss 14 diameter of bore that each claw 22 surrounds at first ring, the lower end diameter of the first back taper 11 is less than the upper end diameter of the second back taper 12, forms draw-in groove at the link position place of the first back taper 11 and the second back taper 12.
Known in conjunction with Fig. 1, Fig. 2, between the first back taper 11 and the second back taper 12, be preferably provided with the connecting tendon 16 of " ten " font, connecting tendon 16 is along the Axis Extension of fast sleeve 2.The shape of connecting tendon 16 is not limited to " ten " font, can be to be some the ribs formations that emitting shape distributes.
Figure 7 shows that the mounting or dismounting schematic diagram that is fastenedly connected assembly of this auto plastics part, three states when being divided into before assembling, being seated and dismantling:
The first step: working of plastics I with on working of plastics II, have position correspondence, the identical circular hole of size, the diameter of circular hole is determined by the external diameter of fast sleeve 2, fast sleeve 2 is put into working of plastics I and the upper corresponding circular hole arranging of working of plastics II, again fast plug pin 1 is inserted in fast sleeve 2, this is the state before assembling, now the lower end of fast plug pin 1 wraps in each claw 22 of fast sleeve 2, and each claw 22 of fast sleeve 2 is in rounding state.
Second step: the upper end of pressing fast plug pin 1 downwards, fast plug pin 1 moves down, each claw 22 of fast sleeve 2 is stretched out in the lower end of fast plug pin 1, finally make each claw 22 of fast sleeve 2 fall into first ring on the second back taper 12 of fast plug pin 1 between boss 13 and the second hoop boss 14, can complete and be fastenedly connected; Owing to being greater than to this part the back taper diameter between boss 13 and the second hoop boss 14 diameter of bore that each claw 22 surrounds at first ring on the second back taper 12, fast sleeve 2 is expanded, and is fastenedly connected assembly working of plastics I and working of plastics II are fastened together.
The 3rd step: the upper end that fast plug pin 1 is pressed in continuation downwards, each claw 22 of fast sleeve 2 was stepped after the second back taper 12, fall in the draw-in groove at the first back taper 11 and the second back taper 12 link position places, because the lower end diameter of the first back taper 11 is less than the upper end diameter of the second back taper 12, fast sleeve 2 draws in fast, lose dilation connect effect, due to the upper end diameter of the second back taper 12, first ring is all less than fast sleeve 2 diameter of bore to the diameter of boss 13 and the diameter of the second hoop boss 13, now can take off easily and be fastenedly connected assembly, realize quick-detachment.
Embodiment 2:
Auto plastics part is as shown in Figure 8, Figure 9 fastenedly connected assembly, is made up of fast plug pin 1 and fast sleeve 2, and both are working of plastics.The structural type of its fast sleeve 2 is identical with the fast sleeve 2 in embodiment 1, does not repeat them here.Fast plug pin 1 is made up of the first back taper 11, the second back taper 12 and the 3rd back taper 15 that coaxially arrange, the second back taper 12 is connected to the below of the first back taper 11, the 3rd back taper 15 is connected to the below of the second back taper 12, and the 3rd back taper 15 is wholely set with first, second back taper 11,12.The upper end diameter of the second back taper 12, the upper end diameter of the 3rd back taper 15, first ring are all less than the diameter of bore of fast sleeve 2 to the diameter of boss 13 and the diameter of the second hoop boss 14, on the second back taper 12, be greater than the diameter of bore that each claw 22 surrounds at first ring to the diameter of the part back taper between boss 13 and the second hoop boss 14.The lower end diameter of the first back taper 11 is less than the upper end diameter of the second back taper 12, forms draw-in groove at the link position place of the first back taper 11 and the second back taper 12.The lower end diameter of the second back taper 12 is less than the upper end diameter of the 3rd back taper 15, also forms draw-in groove at the link position place of the second back taper 12 and the 3rd back taper 15.
Between the first back taper 11 and the second back taper 12, between the second back taper 12 and the 3rd back taper 15, be preferably provided with the connecting tendon 16 of " ten " font, connecting tendon 16 is along the Axis Extension of fast sleeve 2.
Figure 9 shows that the mounting or dismounting schematic diagram that is fastenedly connected assembly of this auto plastics part, three states when being divided into before assembling, being seated and dismantling:
The first step: fast sleeve 2 is put into working of plastics I and the upper corresponding circular hole arranging of working of plastics II, again fast plug pin 1 is inserted in fast sleeve 2, and press fast plug pin 1 downwards, the 3rd back taper 15 of fast plug pin 1 steps each claw 22 of too fast sleeve 2, finally make each claw 22 of fast sleeve 2 fall in the draw-in groove at the second back taper 12 and the 3rd back taper 15 link position places, this is the state before assembling, and now each claw 22 of fast sleeve 2 is in rounding state.
Second step: the upper end that fast plug pin 1 is pressed in continuation downwards, fast plug pin 1 moves down, finally make each claw 22 of fast sleeve 2 fall into first ring on the second back taper 12 of fast plug pin 1 between boss 13 and the second hoop boss 14, can complete and be fastenedly connected, working of plastics I and working of plastics II are fastened together.
The 3rd step: the upper end that fast plug pin 1 is pressed in continuation downwards, each claw 22 of fast sleeve 2 was stepped after the second back taper 12, fall in the draw-in groove at the first back taper 11 and the second back taper 12 link position places, fast sleeve 2 draws in fast, now can take off easily and be fastenedly connected assembly, realize quick-detachment.
As Fig. 7, Fig. 9, be preferably, the upper end diameter of the first back taper 11 is less than the diameter of bore of fast sleeve 2, in the time that the upper end of fast plug pin 1 flushes with the upper end of fast sleeve 2, be seated each claw 22 and just drop on first ring on the second back taper 12 between boss 13 and the second hoop boss 14, now just in being seated state, being convenient to assembler determines when and is seated, and while being seated, the upper end of fast plug pin 1 can not be exposed at outside the termination 21 of fast sleeve 2, and the two plastic parts after being fastenedly connected is more attractive in appearance.
Claims (4)
1. an auto plastics part is fastenedly connected assembly, formed by fast plug pin (1) and fast sleeve (2), both are working of plastics, it is characterized in that: described fast plug pin (1) comprises the first back taper (11) and second back taper (12) of coaxial setting, described the first back taper (11) is positioned at the top of the second back taper (12), and be connected as a single entity with the second back taper (12), on described the second back taper (12), be provided with first, second hoop boss (13,14); The upper end of described fast sleeve (2) is with termination (21), and the bottom of fast sleeve (2) is divided into flap, and the lower end of each lobe forms claw (22) towards the axis bending of fast sleeve (2);
Described fast plug pin (1) inserts in fast sleeve (2), the upper end diameter of described the second back taper (12), first ring is all less than fast sleeve (2) diameter of bore to the diameter of boss (13) and the diameter of the second hoop boss (14), on the second back taper (12), be positioned at first ring and be greater than to the diameter of the part back taper between boss (13) and the second hoop boss (14) diameter of bore that each claw (22) surrounds, the lower end diameter of the first back taper (11) is less than the upper end diameter of the second back taper (12).
2. be fastenedly connected assembly according to auto plastics part claimed in claim 1, it is characterized in that: the below of described the second back taper (12) is coaxially arranged with the 3rd back taper (15), and the 3rd back taper (15) is wholely set with first, second back taper (11,12), the upper end diameter of described the 3rd back taper (15) is less than the diameter of bore of fast sleeve (2), and the lower end diameter of the second back taper (12) is less than the upper end diameter of the 3rd back taper (15).
3. be fastenedly connected assembly according to auto plastics part claimed in claim 2, it is characterized in that: between described the first back taper (11) and the second back taper (12), be provided with the connecting tendon (16) of " ten " font between the second back taper (12) and the 3rd back taper (15), described connecting tendon (16) is along the Axis Extension of fast sleeve (2).
4. be fastenedly connected assembly according to the auto plastics part described in any one in claim 1-3, it is characterized in that: the upper end diameter of described the first back taper (11) is less than the diameter of bore of fast sleeve (2), in the time that the upper end of fast plug pin (1) flushes with the upper end of fast sleeve (2), each claw (22) just drops on first ring on the second back taper (12) between boss (13) and the second hoop boss (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351830.XA CN102829052B (en) | 2012-09-20 | 2012-09-20 | Fastening connecting component of vehicle plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351830.XA CN102829052B (en) | 2012-09-20 | 2012-09-20 | Fastening connecting component of vehicle plastic part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102829052A CN102829052A (en) | 2012-12-19 |
| CN102829052B true CN102829052B (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210351830.XA Expired - Fee Related CN102829052B (en) | 2012-09-20 | 2012-09-20 | Fastening connecting component of vehicle plastic part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102829052B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010092A (en) * | 2012-12-26 | 2013-04-03 | 中国重汽集团济南动力有限公司 | Installation structure for lamp in automobile cab |
| CN103671396A (en) * | 2013-12-13 | 2014-03-26 | 惠州柯林电器有限公司 | Buckle structure |
| CN103697034A (en) * | 2013-12-13 | 2014-04-02 | 惠州柯林电器有限公司 | Fastener structure |
| CN109026936B (en) * | 2018-09-30 | 2020-09-22 | 中冶交通建设集团有限公司 | Expansion bolt |
| CN109372866A (en) * | 2018-11-01 | 2019-02-22 | 东风悦达起亚汽车有限公司 | A kind of assembly buckle |
| CN114838047B (en) * | 2022-05-19 | 2024-02-06 | 浙江洪扬汽车零部件有限公司 | Lock screw for mechanical equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0536005B1 (en) * | 1991-09-30 | 1995-09-27 | Alliedsignal Europe Services Techniques | Device for the quick assembly and disassembly of two parts one over the other |
| CN201925289U (en) * | 2010-11-25 | 2011-08-10 | 杭州依赛通信有限公司 | Novel connecting device between equipment |
| CN201991894U (en) * | 2011-01-27 | 2011-09-28 | 辽宁工程技术大学 | Rapid expansion foundation bolt |
| CN202833495U (en) * | 2012-09-20 | 2013-03-27 | 力帆实业(集团)股份有限公司 | Fastening connection assembly of automotive plastic piece |
-
2012
- 2012-09-20 CN CN201210351830.XA patent/CN102829052B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0536005B1 (en) * | 1991-09-30 | 1995-09-27 | Alliedsignal Europe Services Techniques | Device for the quick assembly and disassembly of two parts one over the other |
| CN201925289U (en) * | 2010-11-25 | 2011-08-10 | 杭州依赛通信有限公司 | Novel connecting device between equipment |
| CN201991894U (en) * | 2011-01-27 | 2011-09-28 | 辽宁工程技术大学 | Rapid expansion foundation bolt |
| CN202833495U (en) * | 2012-09-20 | 2013-03-27 | 力帆实业(集团)股份有限公司 | Fastening connection assembly of automotive plastic piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102829052A (en) | 2012-12-19 |
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Address after: 400037 Chongqing city Beibei District caijiagang Zhen Tong Xing Industrial Park Fengqi Road No. 16 Patentee after: Lifan Industry (Group) Co., Ltd. Address before: 400037 Chongqing city Shapingba District No. 60 Zhangjiawan Bridge Patentee before: Lifan Industry (Group) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20190920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |