CN102829052A - Fastening connecting component of vehicle plastic part - Google Patents

Fastening connecting component of vehicle plastic part Download PDF

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Publication number
CN102829052A
CN102829052A CN201210351830XA CN201210351830A CN102829052A CN 102829052 A CN102829052 A CN 102829052A CN 201210351830X A CN201210351830X A CN 201210351830XA CN 201210351830 A CN201210351830 A CN 201210351830A CN 102829052 A CN102829052 A CN 102829052A
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CN
China
Prior art keywords
taper
diameter
sleeve
fast
quick
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.)
Granted
Application number
CN201210351830XA
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Chinese (zh)
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CN102829052B (en
Inventor
黄忱鑫
杨育奎
邓泽燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lifan Technology Group Co Ltd
Original Assignee
Lifan Industry Group Co Ltd
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Publication date
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Priority to CN201210351830.XA priority Critical patent/CN102829052B/en
Publication of CN102829052A publication Critical patent/CN102829052A/en
Application granted granted Critical
Publication of CN102829052B publication Critical patent/CN102829052B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Auto plastics spare be fastenedly connected assembly
Technical field
The invention belongs to the fastening structure technical field, be specifically related to a kind of assembly that is fastenedly connected of auto plastics spare.
Background technique
The outer surface of motorcycle and automobile has a large amount of coverings, and these coverings are working of plastics, and for guaranteeing appearance quality, the gap between each covering should be as far as possible little, and connects reliable.The mode that connection between a large amount of automobile-used coverings of China at present adopts tapping screw to combine with the draw-in groove chucking, like Fig. 1---shown in 3.
Adopt the Placement of tapping screw; Need be provided with the screw via hole by working of plastics I, correspondence is provided with the screw attachment post on working of plastics II, and the tapping screw Placement is had relatively high expectations to the mould of working of plastics I; When tapping screw 3 diameters are confirmed; Mounting hole on the screw attachment post is crossed conference insecure phenomenon occur to be installed, and mounting hole is excessive too smallly then can the screw attachment post to be occurred and rise brokenly in the installation process of tapping screw 3, cause connecting insecure phenomenon equally; And because the intensity of working of plastics own is low, in the vehicle operating process, the possibility that fracture appears in the screw attachment post is big, and also comparatively inconvenience of assembling is installed; Especially trouble is, the back is installed as secondary dismounting repair occurs with tapping screw 3, and connecting reliability will reduce greatly, even reaches the purpose of installation at all.
Adopt the Placement of draw-in groove chucking, need on working of plastics II, strip hole be set, correspondence is provided with hook 4 on working of plastics I, the hook of working of plastics I is snapped in the strip hole of working of plastics II after, move into place along the bearing of trend of strip hole and to make its chucking.Compare 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, and working of plastics is prone to fatigue fracture, reliability is not guaranteed, and the barb form has increased the difficulty of working of plastics mould; The Placement of draw-in groove chucking is along a direction assembling installing; So can not play position-limiting action to each orientation simultaneously; So being fastenedly connected of auto plastics spare generally is that the draw-in groove chucking is used with tapping screw at present; Reached and once assembled requirement, but it all can not get guaranteeing on property easy for installation, reliability, secondary disassembling function property matching gap.
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 spare and is fastenedly connected assembly, and reduces the mould complexity of working of plastics.
For this reason; A kind of auto plastics spare provided by the invention is fastenedly connected assembly, is made up of fast plug pin (1) and fast sleeve (2), and both are working of plastics; Said fast plug pin (1) comprises first back taper (11) and second back taper (12) of coaxial setting; Said first back taper (11) is positioned at the top of second back taper (12), and is connected as a single entity with second back taper (12), and said second back taper (12) is provided with first, second hoop boss (13,14); The upper end of said fast sleeve (2) has 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);
Said fast plug pin (1) inserts in the fast sleeve (2); The diameter of the diameter of the upper end diameter of said second back taper (12), the first hoop boss (13) and the second hoop boss (14) is all less than the diameter of bore of fast sleeve (2); Be positioned at the diameter of bore that the diameter of that part of back taper between the first hoop boss (13) and the second hoop boss (14) surrounds greater than each claw (22) on second back taper (12), the lower end diameter of first back taper (11) is less than the upper end diameter of second back taper (12).
Fit: fast sleeve is put in the circular hole of corresponding setting on the two plastic parts; Fast plug pin is inserted in the fast sleeve; Push the upper end of fast plug pin, each claw of fast sleeve is fallen into can accomplish between the first hoop boss and the second hoop boss on second back taper of fast plug pin to be fastenedly connected, be fastenedly connected assembly and be in the working position this moment; Because the diameter of bore that this part the back taper diameter on second back taper between the first hoop boss and the second hoop boss surrounds greater than each claw; Fast sleeve is expanded, and is fastenedly connected assembly and is clamped in the circular hole of corresponding setting on the two plastic parts, has guaranteed the tight connection of two plastic parts; When needing repairing dismounting; Continue to push the upper end of fast plug pin, make each claw step the bottom that second back taper falls into first back taper, fast sleeve draws in; Lost the expansion interconnect function; Because the diameter of the upper end diameter of second back taper, the diameter of the first hoop boss and the second hoop boss all less than the diameter of bore of fast sleeve, can take off easily and be fastenedly connected assembly, realizes fast quick-detach by this moment.
Preferred as this programme; The below of said 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 said the 3rd back taper (15) is less than the diameter of bore of fast sleeve (2), and the lower end diameter of 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 second back taper and the 3rd back taper link position place, avoid fast plug pin in fast sleeve, to deviate from.
Between said first back taper (11) and second back taper (12), be provided with the connecting tendon (16) of " ten " font between second back taper (12) and the 3rd back taper (15); Said connecting tendon (16) extends along the axis of fast sleeve (2); Connecting tendon is set; Can avoid the fracture of two back tapers, increase the series connection intensity between three back tapers at the link position place.
Further preferred as this programme; The upper end diameter of said first back taper (11) is less than the diameter of bore of fast sleeve (2); When the upper end of fast plug pin (1) flushed with the upper end of fast sleeve (2), each claw (22) just dropped between the first hoop boss (13) and the second hoop boss (14) on second back taper (12), makes to be fastenedly connected assembly when the 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 identical circular hole of size, 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 push fast plug pin, the expansion through fast sleeve and draw in and realize being fastenedly connected and installing and removing, mounting or dismounting are convenient, easily, fast, and are safe and reliable;
(3) in assembling, dismounting and using process all not to each working of plastics, be fastenedly connected assembly and cause damage, its connection, reliability are not affected when secondary assembles, and have reached to guarantee appearance quality, protection internal structure, the requirement that improves Safety performance.
Description of 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 spare of first kind of 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 representation that is fastenedly connected assembly of the auto plastics spare of first kind of structural type.
Fig. 8 is the structural representation that is fastenedly connected assembly of the auto plastics spare of second kind of structural type.
Fig. 9 is the mounting or dismounting schematic representation that is fastenedly connected assembly of the auto plastics spare of second kind of structural type.
Embodiment
Pass through embodiment below, and combine accompanying drawing, the present invention is done further explain:
Embodiment 1:
Auto plastics spare as shown in Figure 4 is fastenedly connected assembly, is made up of fast plug pin 1 and fast sleeve 2, and both are working of plastics.Can know that in conjunction with Fig. 5 fast plug pin 1 is made up of first back taper 11 and second back taper 12 of coaxial setting, first back taper 11 is positioned at the top of second back taper 12, and first back taper 11 and second back taper 12 fuse.Second back taper 12 is provided with the first hoop boss 13 and the second hoop boss, 14, the first hoop boss 13 and the second hoop boss 14 between the upper and lower at a distance from being provided with and being parallel to each other.In conjunction with shown in Figure 6, the upper end of fast sleeve 2 has 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 diameter of the diameter of the upper end diameter of second back taper 12, the first hoop boss 13 and the second hoop boss 14 is all less than the diameter of bore of fast sleeve 2; The diameter of bore that the diameter of that part of back taper on second back taper 12 between the first hoop boss 13 and the second hoop boss 14 surrounds greater than each claw 22; The lower end diameter of first back taper 11 forms draw-in groove less than the upper end diameter of second back taper 12 at the link position place of first back taper 11 and second back taper 12.
Can know in conjunction with Fig. 1, Fig. 2, preferably be provided with the connecting tendon 16 of " ten " font between first back taper 11 and second back taper 12, connecting tendon 16 extends along the axis 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.
Shown in Figure 7ly be the mounting or dismounting schematic representation that is fastenedly connected assembly of this auto plastics spare, be divided into assembling before, three states when being seated and dismantling:
The first step: on working of plastics I and working of plastics II, have position correspondence, circular hole that size is identical; The diameter of circular hole is confirmed by the external diameter of fast sleeve 2; Fast sleeve 2 is put into working of plastics I and the upward corresponding circular hole that is provided with of working of plastics II, faster plug pin 1 is inserted in the fast sleeve 2, this is the state before assembling; This moment, the lower end of fast plug pin 1 wrapped 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 pushing 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; Each claw 22 of fast sleeve 2 is fallen between the first hoop boss 13 and the second hoop boss 14 on second back taper 12 of fast plug pin 1, can accomplish being fastenedly connected; Because the diameter of bore that this part the back taper diameter on second back taper 12 between the first hoop boss 13 and the second hoop boss 14 surrounds greater than each claw 22, 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 pushed in continuation downwards; After making each claw 22 of fast sleeve 2 step second back taper 12; Fall in the draw-in groove at first back taper 11 and second back taper, 12 link position places, because the lower end diameter of first back taper 11 is less than the upper end diameter of second back taper 12, fast sleeve 2 draws in fast; Lost the expansion interconnect function; Because the diameter of the upper end diameter of second back taper 12, the diameter of the first hoop boss 13 and the second hoop boss 13 all less than the diameter of bore of fast sleeve 2, can take off easily and be fastenedly connected assembly, realizes fast quick-detach by this moment.
Embodiment 2:
Be fastenedly connected assembly like Fig. 8, auto plastics spare shown in Figure 9, be made up of fast plug pin 1 and fast sleeve 2, both are working of plastics.The structural type of its fast sleeve 2 is identical with fast sleeve 2 among the embodiment 1, repeats no more at this.Fast plug pin 1 is made up of first back taper 11, second back taper 12 and the 3rd back taper 15 of coaxial setting; Second back taper 12 is connected the below of first back taper 11; The 3rd back taper 15 is connected the below of second back taper 12, and the 3rd back taper 15 is wholely set with first, second back taper 11,12.The diameter of the diameter of the upper end diameter of the upper end diameter of second back taper 12, the 3rd back taper 15, the first hoop boss 13 and the second hoop boss 14 is all less than the diameter of bore of fast sleeve 2, the diameter of bore that the diameter of that part of back taper on second back taper 12 between the first hoop boss 13 and the second hoop boss 14 surrounds greater than each claw 22.The lower end diameter of first back taper 11 forms draw-in groove less than the upper end diameter of second back taper 12 at the link position place of first back taper 11 and second back taper 12.The lower end diameter of second back taper 12 also forms draw-in groove less than the upper end diameter of the 3rd back taper 15 at the link position place of second back taper 12 and the 3rd back taper 15.
Between first back taper 11 and second back taper 12, preferably be provided with the connecting tendon 16 of " ten " font between second back taper 12 and the 3rd back taper 15, connecting tendon 16 extends along the axis of fast sleeve 2.
Shown in Figure 9ly be the mounting or dismounting schematic representation that is fastenedly connected assembly of this auto plastics spare, be divided into assembling before, three states when being seated and dismantling:
The first step: fast sleeve 2 is put into working of plastics I and the upward corresponding circular hole that is provided with of working of plastics II; Again fast plug pin 1 is inserted in the fast sleeve 2; And push fast plug pin 1 downwards, the 3rd back taper 15 of fast plug pin 1 steps each claw 22 of too fast sleeve 2, and each claw 22 of fast sleeve 2 is fallen in the draw-in groove at second back taper 12 and the 3rd back taper 15 link position places; This is the preceding state of assembling, and this moment, each claw 22 of fast sleeve 2 was in rounding state.
Second step: the upper end that fast plug pin 1 is pushed in continuation downwards; Fast plug pin 1 moves down; Each claw 22 of fast sleeve 2 is fallen between the first hoop boss 13 and the second hoop boss 14 on second back taper 12 of fast plug pin 1; Can accomplish being 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 pushed in continuation downwards; After making each claw 22 of fast sleeve 2 step second back taper 12, fall in the draw-in groove at first back taper 11 and second back taper, 12 link position places, fast sleeve 2 draws in fast; Can take off easily and be fastenedly connected assembly this moment, realizes fast quick-detach.
Like Fig. 7, Fig. 9; Be preferably, the upper end diameter of first back taper 11 is less than the diameter of bore of fast sleeve 2, when the upper end of fast plug pin 1 flushes with the upper end of fast sleeve 2; Being seated each claw 22 just drops between the first hoop boss 13 and the second hoop boss 14 on second back taper 12; Just be in the state of being seated this moment, and be convenient to the assembler and determine when and be seated, and when 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 spare is fastenedly connected assembly; It is characterized in that: form by fast plug pin (1) and fast sleeve (2); Both are working of plastics, and said fast plug pin (1) comprises first back taper (11) and second back taper (12) of coaxial setting, and said first back taper (11) is positioned at the top of second back taper (12); And be connected as a single entity with second back taper (12), said second back taper (12) is provided with first, second hoop boss (13,14); The upper end of said fast sleeve (2) has 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);
Said fast plug pin (1) inserts in the fast sleeve (2); The diameter of the diameter of the upper end diameter of said second back taper (12), the first hoop boss (13) and the second hoop boss (14) is all less than the diameter of bore of fast sleeve (2); Be positioned at the diameter of bore that the diameter of that part of back taper between the first hoop boss (13) and the second hoop boss (14) surrounds greater than each claw (22) on second back taper (12), the lower end diameter of first back taper (11) is less than the upper end diameter of second back taper (12).
2. be fastenedly connected assembly according to the described auto plastics spare of claim 1; It is characterized in that: the below of said 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 said the 3rd back taper (15) is less than the diameter of bore of fast sleeve (2), and the lower end diameter of second back taper (12) is less than the upper end diameter of the 3rd back taper (15).
3. be fastenedly connected assembly according to the described auto plastics spare of claim 2; It is characterized in that: between said first back taper (11) and second back taper (12), be provided with the connecting tendon (16) of " ten " font between second back taper (12) and the 3rd back taper (15), said connecting tendon (16) extends along the axis of fast sleeve (2).
4. according to claim 1---each described auto plastics spare is fastenedly connected assembly in 3; It is characterized in that: the upper end diameter of said first back taper (11) is less than the diameter of bore of fast sleeve (2); When the upper end of fast plug pin (1) flushed with the upper end of fast sleeve (2), each claw (22) just dropped between the first hoop boss (13) and the second hoop boss (14) on second back taper (12).
CN201210351830.XA 2012-09-20 2012-09-20 Fastening connecting component of vehicle plastic part Expired - Fee Related CN102829052B (en)

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CN102829052B CN102829052B (en) 2014-09-17

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN109026936A (en) * 2018-09-30 2018-12-18 中冶交通建设集团有限公司 A kind of expansion bolt

Citations (4)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN109026936A (en) * 2018-09-30 2018-12-18 中冶交通建设集团有限公司 A kind of expansion bolt

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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.

CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140917

Termination date: 20190920