CN1266393C - Fastener - Google Patents
Fastener Download PDFInfo
- Publication number
- CN1266393C CN1266393C CN 200410030903 CN200410030903A CN1266393C CN 1266393 C CN1266393 C CN 1266393C CN 200410030903 CN200410030903 CN 200410030903 CN 200410030903 A CN200410030903 A CN 200410030903A CN 1266393 C CN1266393 C CN 1266393C
- Authority
- CN
- China
- Prior art keywords
- pillar
- head
- fastener
- elasticity fastening
- volume
- 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.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 abstract description 23
- 239000000057 synthetic resin Substances 0.000 abstract description 23
- 230000008961 swelling Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Landscapes
- Insertion Pins And Rivets (AREA)
- Body Structure For Vehicles (AREA)
- Connection Of Plates (AREA)
Abstract
Provided is a fastener with each elastic locking piece which can not be broken even when an impact is applied on by forming a joint part of a synthetic resin passed through a post part and the synthetic resin passed through a plurality of elastic locking piece parts in a head. In the fastener 1, a post 21 is vertically provided on the head 11 in a lower side, the plurality of the elastic locking pieces 31 having a swelling part 33 outside in the middle in a vertical direction are vertically provided in the lower side of the head 11, and respective lower end parts of the plurality of the elastic locking pieces 31 are connected with the lower end part of the post 21. The volume of the head 11 is made to be not less than three times and not more than five times of that of the post 21, the volume of the post 21 is made to be the same as the total volume of the plurality of the elastic locking pieces 31, and a gate is provided on a lower end of the post 21.
Description
Technical field
The present invention relates on the panel that a kind of parts that will be installed in automobile or electrical equipment inside are installed on car body or electrical equipment main body or the Fastener that uses under the situation such as other panel is being installed on the panel.
Background technique
In above-mentioned Fastener in the past, pillar is vertically set on the downside of head, downside at head vertically is provided with a plurality of elasticity fastening sheets, these fastening sheets are provided with protuberance in the outside midway of vertical direction, simultaneously, the underpart of a plurality of elasticity fastening sheets links to each other with the underpart of pillar, in addition at the boundary part of head and pillar, downside at the head of pillar periphery also is provided with elastic packing portion, and (for example make by the synthetic resin material, referring to patent documentation 1-Japanese kokai publication hei 5-164120 communique, [0011] section is to [0019] section, Fig. 1 and Fig. 5).
In this Fastener, if be pressed in the mounting hole that passes as the panel that is mounted parts from the underpart with pillar and a plurality of elasticity fastening sheet, by be arranged on the protuberance of a plurality of spring sheet portion outside that constitutes each elasticity fastening sheet in the pushing of the inside part of mounting hole, because the reduced of a plurality of elasticity fastening sheets, therefore, pillar and a plurality of elasticity fastening sheet can be inserted in the mounting hole until reaching the lip-deep state that elastic packing portion is crimped on panel.
In addition, if pillar and a plurality of elasticity fastening sheet are inserted in the mounting hole until reaching the lip-deep state that elastic packing portion is crimped on panel, then a plurality of elasticity fastening sheets can become original state because of the elasticity enlarged of self, the upper end of the protuberance by a plurality of elasticity fastening sheets is crimped on the internal surface of panel or the internal surface lateral margin of mounting hole, because periphery and a plurality of protuberance retainer panel with elastic packing portion, therefore, Fastener can be installed on the panel.
In Fastener in the past, because the summation of the minimum cross sectional area of a plurality of elasticity fastening sheets is compared very little with the minimum cross sectional area of pillar, therefore, if from the mouth injecting synthetic resin of the lower end that is positioned at pillar and be shaped, then arriving the synthetic resin of head part by leg portion can be to a plurality of elasticity fastening part adverse current, thereby produces welded seam on each elasticity fastening sheet.
Thereby the problem that exists is: in above-mentioned welded seam part, and particularly when low temperature is subjected to impacting, the welded seam part, promptly each elasticity fastening sheet has the danger of cracking.
Summary of the invention
In order to eliminate above-mentioned unfavorable condition, the invention provides a kind of Fastener, this Fastener is by forming in head by the synthetic resin of leg portion and anastomosis part by a plurality of elasticity fastening sheets synthetic resin partly, even thereby under the situation of being impacted, each elasticity fastening sheet can not split.
The invention provides a kind of Fastener, wherein, pillar is vertically set on the downside of head, downside at described head vertically is provided with a plurality of elasticity fastening sheets, these fastening sheets are provided with protuberance in the outside midway of vertical direction, simultaneously, the underpart of described a plurality of elasticity fastening sheets links to each other with the underpart of described pillar, it is characterized in that: the volume of described head is that 3 times of described pillar volume are with below 5 times, the volume of described pillar is 1 times of described a plurality of elasticity fastening sheet volume summations, simultaneously, in the lower end of described pillar injection port is set.
In addition, best, the minimum cross sectional area of described pillar is more than 1 times and below 4 times of summation of the minimum cross sectional area of described a plurality of elasticity fastening sheets, and perhaps, the minimum cross sectional area of pillar is 3.5 times of summation of the minimum cross sectional area of a plurality of elasticity fastening sheets.The transverse shape of pillar adopted lug from the axle core with radial outstanding cross shape.
Description of drawings
Fig. 1 is the front view of the Fastener of one embodiment of the invention.
Fig. 2 is the planimetric map of the Fastener of one embodiment of the invention.
Fig. 3 is the worm's eye view of the Fastener of one embodiment of the invention.
Fig. 4 is the left side view of the Fastener of one embodiment of the invention.
Fig. 5 is along the sectional drawing shown in the A-A line of Fig. 1.
Fig. 6 is along the sectional drawing shown in the B-B line of Fig. 3.
Fig. 7 is the explanatory drawing of the user mode of the Fastener of expression one embodiment of the present of invention.
Embodiment
Below, with reference to the accompanying drawings embodiments of the invention are described.
Fig. 1 is the front view of the Fastener of one embodiment of the invention, Fig. 2 is the planimetric map of the Fastener of one embodiment of the invention, Fig. 3 is the worm's eye view of the Fastener of one embodiment of the invention, Fig. 4 is the left side view of the Fastener of one embodiment of the invention, Fig. 5 is along the sectional drawing shown in the A-A line of Fig. 1, and Fig. 6 is along the sectional drawing shown in the B-B line of Fig. 3.
In Fig. 5 and Fig. 6, in order to be easy to distinguish the spring sheet portion and the protuberance of elasticity fastening sheet, to have drawn the line (dotted line) of distinguishing both.
In Fig. 1, the Fastener of being made by synthetic resin 1 is by head 11, be vertically set on the pillar 21 of described head 11 downsides (following) center, be vertically set on a plurality of (4) elasticity fastening sheet 31 that head 11 downsides (following) and underpart link to each other with the underpart of pillar 21, the boundary part of described a plurality of elasticity fastening sheets 31 and head 11, be arranged on pillar 21 peripheries head 11 downsides (below) elastic packing portion 41 constitute.
Above-mentioned head 11 is as Fig. 2 and shown in Figure 6, be depicted as circular upper flange 12 by plane with predetermined outside diameter, be vertically set on the center of described upper flange 12 downsides (following) and diameter neck 13 less than the external diameter of upper flange 12, and downside elastic flange 14 constitutes, wherein, described downside elastic flange is that the center connects the lower end periphery that is arranged on described neck 13 with described neck 13, and diameter is greater than upper flange 12, as shown in Figure 6, in 12 rising back declines from interior circumferential periphery towards upper flange.
In addition, to downside elastic flange 14, be provided with recess 15 from upper flange 12 at the center of neck 13.
Then, pillar 21 by the axle core 22 of the center of the downside that is vertically set on head 11 (following), constitutes with radial 4 lugs that stretch out 23 from the side of described axle core 22 shown in Fig. 1, Fig. 3～6, and its transverse shape (flat section configuration) is a crosswise.
In addition, the inboard of lug 23 is linked to each other by barrel surface each other.
And the diameter of a circle of the outer side surface of 4 lugs 23 of formation is less than the diameter of the mounting hole 62 of the described panel 61 in back.
Above-mentioned 4 elasticity fastening sheets 31 are shown in Fig. 1, Fig. 3～6, head 11 downsides (below), by with the vertically disposed spring sheet of the mode between lug 23 portion 32, constitute with the protuberance 33 in the outside midway (outer side surface) of the vertical direction that is arranged on described spring sheet portion 32, the underpart of spring sheet portion 32 is connected the underpart of lug 23 by joint 34.
In addition, 4 elasticity fastening sheets 31 are as Fig. 3 and shown in Figure 5, and transverse shape (flat section configuration) is fan-shaped.
And the diameter of a circle of the outer side surface of 4 spring sheet portions 32 of formation is less than the diameter of the mounting hole 62 of the described panel 61 in back, and in addition, the diameter of a circle of the outer side surface of 4 protuberances 33 of formation is greater than the diameter of the mounting hole 62 of panel 61.
Have, the upper-end surface of each protuberance 33 forms the plane of inclination (to the plane of inclination that downside enlarges) that descends laterally again.
Certainly, between pillar 21 and elasticity fastening sheet 31, be provided with gap (slit etc.), so that can dwindle the diameter of elasticity fastening sheet 31.
And the underpart of pillar 21 and elasticity fastening sheet 31 forms the taper shape that dwindles to downside, at the end portion of pillar 21 and elasticity fastening sheet 31 guiding face is set.
As Fig. 2 and shown in Figure 6, above-mentioned elastic packing portion 41 forms diameter with the conical surface that descends to the periphery circle greater than downside elastic flange 14.
In Fastener 1 with said structure, the volume V1 of head 11 is more than 3 times below 5 times of volume V2 of pillar 21, for example is 3.7 times, and the volume V2 of pillar 21 is 1 times of summation V3 of the volume of a plurality of elasticity fastening sheets 31, simultaneously, in the lower end of pillar 21 injection port is set.
In addition, the minimum cross sectional area S2 of pillar 21 is more than 1 times below 4 times of summation S3 of the minimum cross sectional area of a plurality of elasticity fastening sheets 31, for example is 3.5 times.
In the embodiment's of the invention described above Fastener 1, because the volume V2 of pillar 21 is 1 times of volume summation V3 of a plurality of elasticity fastening sheets 31, the volume V1 of head 11 is 3.7 times of volume V2 of pillar 21, simultaneously, lower end at pillar 21 is provided with injection port, therefore, if from the injection port injecting synthetic resin and make its shaping, then the synthetic resin by arriving head 11 parts after pillar 21 parts in 11 adverse currents from the head before a plurality of elasticity fastening sheet 31 parts, because the synthetic resin by a plurality of elasticity fastening sheet 31 parts can arrive head 11 parts, so the synthetic resin that has passed through the synthetic resin of pillar 21 parts and passed through a plurality of elasticity fastening sheet 31 parts engages in head 11.
In addition, though the minimum cross sectional area S2 of pillar 21 is 3.5 times of summation S3 of the minimum cross sectional area of a plurality of elasticity fastening sheets 31, but, because the volume of head 11 is 3.7 times of volume V2 of pillar 21, therefore, in though synthetic resin can flow into head 11 from pillar 21 parts mostly, synthetic resin not from the head 11 Partial Inverse flow to a plurality of elasticity fastening sheets 31.
Therefore, can not be formed on the Fastener 1 that each elasticity fastening sheet 31 produces welded seam.
Fig. 7 is the explanatory drawing of user mode of Fastener of one embodiment of the present of invention of presentation graphs 1～shown in Figure 6.
In Fig. 7, on as the panel 61 that is mounted parts, be provided with the circular mounting hole 62 that Fastener 1 is installed.
In addition, panel 61 has the thickness of slab that the protuberance 33 that can use elasticity fastening sheet 31 is installed Fastener 1.
71 represent the installation panel as assembly, and are provided with the keyhole 72 that is used to be mounted on the Fastener 1.
Above-mentioned keyhole 72 is by passing hole 73 and fastener hole 74 constitutes, described pass hole 73 for diameter greater than upper flange 12 and less than the circular port of downside elastic flange 14, described fastener hole 74 is communicated with the described hole 73 of passing, and is that slightly larger in diameter is in neck 13 but less than the slotted eye of upper flange 12.
Below, be illustrated using Fastener 1 that installation panel 71 is mounted on the panel 61.
At first, in the lower end that makes Fastener 1 towards panel 61, with Fastener 1 when lower end side is pressed in the mounting hole 62, owing to each spring sheet portion 32 is pressed on the inside part of mounting hole 62 by protuberance 33, dwindle the diameter of each elasticity fastening sheet 31 with this, therefore, pillar 21 and each elasticity fastening sheet 31 are inserted in the mounting hole 62, be crimped on panel 61 lip-deep states until reaching elastic packing portion 41.
In addition, if pillar 21 and each elasticity fastening sheet 31 are inserted in the mounting hole 62, be crimped on panel 61 lip-deep states until reaching elastic packing portion 41, then each elasticity fastening sheet 31 passes through the elasticity of spring sheet portion 32 to original state enlarged, the upper end that is arranged on the protuberance 33 in the spring sheet portion 32 is crimped on the internal surface lateral margin of mounting hole 62, thereby as shown in Figure 7, owing to, therefore Fastener 1 can be installed on the panel 61 by periphery and 4 protuberance 33 retainer panel 31 of elastic packing portion 41.
Then, make upper flange 12 pass keyhole 72 pass in the hole 73 after, mobile installation panel 71 also moves in the fastener hole 74 neck 13, simultaneously, makes the inner edge of neck 13 contact fastener holes 74.
Afterwards,, the part of installation panel 71 is fixed on the panel 61, installation panel 71 can be installed on the panel 61 thus for example by screw thread is installed.
And, when installation panel 71 is mounted to the state of suspention,, makes installation panel 71 downward side shiftings and make neck 13 contact the inner edge of fastener holes 74 by with respect to the Fastener 1 that is mounted to level, then installation panel 71 can be mounted to suspended state thus.
Like this, when being assemblied in installation panel 71 on the panel 61 with Fastener 1 of the present invention, owing to all do not form welded seam in each elasticity fastening sheet 31 parts, therefore, even apply impact, each elasticity fastening sheet 31 can not split yet.
As mentioned above, according to one embodiment of present invention, because the volume V1 of head 11 is more than 3 times below 5 times of volume V2 of pillar 21, the volume V2 of pillar 21 is 1 times of summation V3 of the volume of a plurality of elasticity fastening sheets 31, simultaneously, lower end at pillar 21 is provided with injection port, and therefore, the synthetic resin that has passed through pillar 21 parts is formed in the head 11 with the anastomosis part of having passed through the synthetic resin of a plurality of elasticity fastening sheet 31 parts.
Therefore, by not forming welded seam in each elasticity fastening sheet 31 parts, therefore, and even can obtain to apply impact, the also not crackable Fastener 1 of each elasticity fastening sheet 31.
In addition, even the minimum cross sectional area S2 of pillar 21 is more than 1 times and below 4 times of summation S3 of the minimum cross sectional area of a plurality of elasticity fastening sheets 31, perhaps, the minimum cross sectional area S2 of pillar 21 is 3.5 times of summation S3 of the minimum cross sectional area of a plurality of elasticity fastening sheets 31, in though synthetic resin can flow into head 11 from pillar 21 parts mostly, synthetic resin not from the head 11 Partial Inverse flow to a plurality of elasticity fastening sheets 31.
In addition and since with the transverse shape of pillar 21 make lug 23 from axle core 22 with radial outstanding crosswise, therefore can guarantee the intensity of pillar 21, and can prevent pillar 21 bendings.
In the above-described embodiments, though be that transverse shape with pillar 21 is a crosswise, and make that elasticity fastening sheet 31 is therebetween to be described for example, but, be the radial elasticity fastening sheet that stretches out even the transverse shape of pillar is made from the side 3 of cutting apart with 120 degree, and make the elasticity fastening sheet therebetween, perhaps, pillar is only made cylindric, make a plurality of elasticity fastening sheets be positioned at pillar around structure, also can obtain identical effect.
In addition, though being that example describes by protuberance 33 and elastic packing portion 41 retainer panel 61, but, even adopt the elastic packing portion 41 that is not provided with, and the structure by head 11 (downside elastic flange 14 or only descend side flange) and protuberance 33 retainer panel 61 still can obtain same effect.
As mentioned above, according to the present invention, because the volume of head is more than 3 times below 5 times of pillar volume, the volume of pillar is 1 times of a plurality of elasticity fastening sheet volume summations, simultaneously, lower end at pillar is provided with injection port, therefore, has passed through the synthetic resin of leg portion and passed through a plurality of elasticity fastening sheets synthetic resin partly to engage in head.
So owing to do not form welded seam on each elasticity fastening sheet, therefore, even apply impact, each elasticity fastening sheet can not split yet.
And, even making the minimum cross sectional area of pillar is more than 1 times below 4 times of summation of the minimum cross sectional area of a plurality of elasticity fastening sheets, or the minimum cross sectional area that makes pillar is 3.5 times of summation of the minimum cross sectional area of a plurality of elasticity fastening sheets, though synthetic resin can flow in the head from leg portion mostly, synthetic resin not from the head Partial Inverse flow to a plurality of elasticity fastening sheets.
In addition and since the transverse shape of pillar adopted lug from the axle core with radial outstanding crosswise, therefore can guarantee the intensity of pillar, thereby can prevent the pillar bending.
Claims (4)
1. Fastener, by head, be vertically set on head downside pillar and to be positioned at a plurality of elasticity fastening sheets of downside of head integrally formed, these fastening sheets are provided with protuberance in the outside midway of vertical direction, simultaneously, the underpart of described a plurality of elasticity fastening sheets links to each other with the underpart of described pillar, it is characterized in that:
The volume of described head is more than 3 times below 5 times of described pillar volume,
The volume of described pillar is 1 times of described a plurality of elasticity fastening sheet volume summations, simultaneously,
Lower end at described pillar is provided with injection port.
2. Fastener according to claim 1 is characterized in that: the minimum cross sectional area of described pillar is more than 1 times and below 4 times of summation of the minimum cross sectional area of described a plurality of elasticity fastening sheets.
3. Fastener according to claim 1 is characterized in that: the minimum cross sectional area of described pillar is 3.5 times of summation of the minimum cross sectional area of a plurality of elasticity fastening sheets.
4. according to any described Fastener in the claim 1～3, it is characterized in that: the transverse shape of described pillar adopted lug from the axle core with radial outstanding cross shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003083978 | 2003-03-26 | ||
| JP2003083978A JP2004293591A (en) | 2003-03-26 | 2003-03-26 | Fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1538080A CN1538080A (en) | 2004-10-20 |
| CN1266393C true CN1266393C (en) | 2006-07-26 |
Family
ID=33399263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410030903 Expired - Lifetime CN1266393C (en) | 2003-03-26 | 2004-03-26 | Fastener |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004293591A (en) |
| CN (1) | CN1266393C (en) |
| TW (1) | TWM251950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI381104B (en) * | 2010-04-07 | 2013-01-01 | Giga Byte Tech Co Ltd | Fan snap rivet |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5128546B2 (en) * | 2009-05-28 | 2013-01-23 | 株式会社ニフコ | Fastener |
| JP5336284B2 (en) * | 2009-07-15 | 2013-11-06 | 株式会社ニフコ | 2 piece clip |
| CN102003439A (en) * | 2010-10-29 | 2011-04-06 | 宁波信泰机械有限公司 | Novel fastener |
| JP2012177388A (en) * | 2011-02-25 | 2012-09-13 | Nifco Inc | Clip |
| JP6000092B2 (en) * | 2012-11-28 | 2016-09-28 | 株式会社ニフコ | Fastener |
| CN111075805A (en) * | 2018-10-18 | 2020-04-28 | 伊利诺斯工具制品有限公司 | Fastening clip |
| CN114364888B (en) * | 2019-09-12 | 2024-02-02 | 株式会社利富高 | Fastener and fastener mounting structure |
-
2003
- 2003-03-26 JP JP2003083978A patent/JP2004293591A/en active Pending
- 2003-10-23 TW TW92218834U patent/TWM251950U/en not_active IP Right Cessation
-
2004
- 2004-03-26 CN CN 200410030903 patent/CN1266393C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI381104B (en) * | 2010-04-07 | 2013-01-01 | Giga Byte Tech Co Ltd | Fan snap rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM251950U (en) | 2004-12-01 |
| CN1538080A (en) | 2004-10-20 |
| JP2004293591A (en) | 2004-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20060726 |