CN101070869A - Expansion screw - Google Patents
Expansion screw Download PDFInfo
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- CN101070869A CN101070869A CN 200610079135 CN200610079135A CN101070869A CN 101070869 A CN101070869 A CN 101070869A CN 200610079135 CN200610079135 CN 200610079135 CN 200610079135 A CN200610079135 A CN 200610079135A CN 101070869 A CN101070869 A CN 101070869A
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- segmentation
- setscrew
- nail
- segment
- expansion
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Abstract
An expansion screw, especially becomes three segment having folding support effect. It consists of nail Block rolled into tube by lots of piece and bolt, the middle of the nail Block is a action zone made a number of the vertical length of the hole and long piece consisting of the first segment and the second segment, the second segment will be broken because of the end stress concentration and effect on the first and third segment. The expansion screw is turned ro fixed direction through above constructure, and then the second segment is congruence with the first segment, the third segment surports efficiecily to first segment, Use of materials generated by folding the strength of support in order to prevent poor construction and caused by excessive oppression working the edge of hole.
Description
Technical field
The present invention relates to a kind of setscrew, be particularly related to a kind of setscrew that can produce at least three sections folding support effects, after utilizing described setscrew to be subjected to the effect of pulling force instrument, the folding strength that supports of the material that produces, use preventing to construct bad and the excessive compressing working hole edge destruction of being caused.
Background technique
Be generally used in the setscrew 1 (as shown in Figure 1 and Figure 2) that body of wall (as gypsum wallboard etc.) provides object to hang, it mainly is to be distributed with many vertical slotted holes 12 and many strip sheets 13 on the active region 11 of nail seat 10, the outside dimpling of the central position of described strip sheet 13, contract in the then oblique respectively side in both sides about it to form and go up segmentation 131 and segmentation 132 down, and by the pulling force P effect of pulling force instrument F to bolt 14, so that producing, described active region 11 expands outwardly distortion, and described nail seat 10 is fixed in body of wall W1, the situation after its construction should be as shown in Figure 2; In fact described strip sheet 13 is in the process of dilatating and deformable, really not so is smooth, tend to take place bad fixedly result as shown in Figure 3, its reason is the lamellar body that described strip sheet 13 has only two-part, promptly go up segmentation 131 and also can't fully reach folding and contact support effect with following segmentation 132, sometimes described segmentation 131 and the intimate parallel situation of following segmentation 132 meeting generations of going up causes segmentation 131 can not clamp body of wall W1 surface, causes fixing not firm phenomenon; Can produce extruding point concentrations what is more at its peritreme place of working hole B1, make the back situation of turning up of active region 11 expansions, and the destruction (as shown in Figure 3) that causes the body of wall W1 around its peritreme of working hole B1, particularly when body of wall W2 thinner thickness (as shown in Figure 4), the active region 11 of setscrew 1 can take place to be inserted into body of wall W2 after expansion, causes the destruction on body of wall W2 surface; So industry is that release setscrew 2 as shown in Figure 5 is (as the U.S. 4,986,710 patent cases promptly are), it mainly is made up of nail seat 20 and bolt 21, described nail seat 20 one ends are established the head of a nail 201, end is established head end 202 in addition, its stage casing is active region 203, described active region 203 is made of many sweeping strip sheets 204, only this improvement no doubt can promote the intensity of setscrew 2, but strip sheet 204 is after pulling force instrument F effect, because of the structure of unfolded support, still can't bring into play the good supporting effect, even can near the body of wall W3 (as shown in Figure 6) of its peritreme of destruction work hole B3.
Shown in Figure 7 again, for case before the patent that the claimant applied for (is US6,609,866, UK2379722, cases such as TWN509292), the claimant pursues after being subjected to pulling force instrument F effect always, can obtain construction results as shown in Figure 8, but in fact can't very reach this requirement, because as above each existing setscrew, the active region 51 of described setscrew 5, its strip sheet 510 is to reach two sections sheet body structures that segmentation 512 is down constituted by last segmentation 511, in the process of dilatating and deformable, is difficult to reach the desired folding support effect as Fig. 8, particularly when thickness of wall body is thin, also as above Fig. 4 is general, and the district 51 that has an effect can be inserted into body of wall W4 after expansion, and destroys its surperficial situation.
Summary of the invention
The objective of the invention is is providing a kind of meeting to produce the setscrew of at least three sections folding support effects, uses effectively to prevent to construct the bad and excessive body of wall destruction that the working hole edge is caused of oppressing.
To achieve these goals, the invention provides a kind of setscrew, it is made up of nail seat and bolt, described nail seat is to be rolled into tubular body by lamellar body, its stage casing has the active region, described active region is distributed with many vertical slotted holes and many strip sheets, and described strip sheet includes first segmentation, second segmentation and the 3rd segmentation, wherein:
Described first segmentation is the position that is positioned at the nearly head of a nail of described nail its strip sheet upside of seat, and outwards tiltedly goes out to extend downwards from the ora terminalis of the described head of a nail, and it is to be close to surface of wall after expansion;
Described second segmentation, it is the downside that is positioned at described first segmentation, join with described first segmentation and form interior angle greater than 90 °, described second segmentation from the described first segmentation connecting part, gradually downwards inwardly tiltedly, and the length of described second segmentation is less than the length of described first segmentation, and it is folding described first segmentation that fits in after expansion;
Described the 3rd segmentation is to be positioned at the described second segmentation downside to be flat, joins with described second segmentation and forms outer angle greater than 90 °, and extend downward the ora terminalis of described its head end of nail seat, and it is described first segmentation to be formed support after expansion.
The setscrew of the invention described above again, wherein said first segmentation and second segmentation join and the position of evagination, have first punch line, and it is to form bend line via die stamping.
The setscrew of the invention described above again, the position that wherein said second segmentation and the 3rd segmentation are joined has second punch line, and it is to form bend line via die stamping.
The setscrew of the invention described above again, the length of wherein said the 3rd segmentation is greater than second segmentation, after guaranteeing that described the 3rd segmentation is subjected to the effect of pulling force instrument at setscrew, can keep the support that forms contact with described first segmentation, to strengthen its fastening support effect.
The setscrew of the invention described above, contract in wherein said its both side edges of second segmentation, its width is the width less than described first and third segmentation, to guarantee after expansion, concentrate turnover at the upper and lower end of described second segmentation position of first and second punch line (promptly) with guiding stress, and make second segmentation can be close to folding applying of described first segmentation formation material, and draw described the 3rd segmentation contact and support.
The setscrew of the invention described above, the wherein said second segmentation upper and lower end, promptly in the position of described first and second punch line, respectively be provided with breach in its two external side brim, its intensity by this can weaken, guiding stress concentrates on the position turnover of described first and second punch line, described second segmentation can be folded be close to described first segmentation, and draw described the 3rd segmentation contact and support.
The setscrew of the invention described above, the wherein said second segmentation upper and lower end, promptly in the position of described first and second punch line, establish short slot in its inboard, its intensity by this can weaken, transferring in the position that concentrates on described first and second punch line with guiding stress, described second segmentation can be folded be close to described first segmentation, and draw described the 3rd segmentation contact and support.
The setscrew of the invention described above has reinforced ribs in wherein said second and third segmentation again, uses to promote the support strength of described strip sheet after expansion.
Description of drawings
Fig. 1 is existing setscrew () stereogram;
Fig. 2 is existing setscrew () construction back generalized section;
Fig. 3 is the generalized section () after the existing bad construction;
Fig. 4 is the generalized section (two) after the existing bad construction;
Fig. 5 is existing setscrew (a two) schematic representation;
Fig. 6 is the generalized section after the bad construction of existing setscrew (two);
Fig. 7 is existing setscrew (a three) schematic representation;
Fig. 8 is existing setscrew (a three) construction back generalized section;
Fig. 9 is a stereogram of the present invention;
Figure 10 is a floor map of the present invention;
Figure 11 is a generalized section of the present invention;
Figure 12 is the generalized section one after the present invention constructs;
Figure 13 is the generalized section two after the present invention constructs;
Figure 14 is second embodiment of its second segmentation of the present invention;
Figure 15 is the 3rd embodiment of its second segmentation of the present invention.
Reference character number explanation: 1-setscrew; The 2-setscrew; 10-follows closely seat; 20-follows closely seat; The 11-active region; The 21-bolt; The vertical slotted hole of 12-; The 201-head of a nail; The last segmentation of 131-; The 202-head end; Segmentation under the 132-; The 203-active region; The 14-bolt; The 204-strip sheet; The 3-setscrew; 30-follows closely seat; The 31-active region; 310,310 ', 310 "-strip sheet; 311-first segmentation; 312,312 ', 312 "-first punch line; 313-second segmentation; The 3131-reinforced ribs; The 3132-lateral margin; 314,314 ', 314 "-second punch line; 315-the 3rd segmentation; The 3151-reinforced ribs; The vertical slotted hole of 316-; W, W1, W2, W3, W4, W5-body of wall; The 5-setscrew; B, B1, B2, B3-peritreme; The 51-active region; The W11-surface; The 510-strip sheet; The 32-head of a nail; The last segmentation of 511-; The 321-ora terminalis; Segmentation under the 512-; The 331-inner bolt hole; Angle in the θ 1-; The 33-head end; The outer angle of θ 2-; The 332-ora terminalis; θ 3-support angle; The 34-bolt; F-pulling force instrument; A1, A2-recess; The P-pulling force; C1, C2-lateral trench.
Embodiment
See also Fig. 9 to shown in Figure 12, setscrew 3 of the present invention is made up of nail seat 30 and bolt 34, described nail seat 30 is to be rolled into tubular body by lamellar body, its epimere has the head of a nail 32, the stage casing is active region 31, its hypomere has head end 33, having inner bolt hole 331 in it screws togather for locking of described bolt 34, and be arranged with many vertical slotted holes 316 and many strip sheets 310 on the described active region 31, described strip sheet 310 includes first segmentation 311, first punch line 312, second segmentation 313, second punch line 314 and the 3rd segmentation 315, wherein:
Described first segmentation 311 is the positions that are positioned at the nearly described head of a nail 32 of described nail seat 30 its strip sheet 310 upsides, and outwards tiltedly goes out to extend downwards from the ora terminalis 321 of the described head of a nail 32, and it is to be close to body of wall W surface after expansion;
Described first punch line 312 is in described first segmentation 311 and second segmentation 313 is joined and the position of evagination, via the formed bend line of die stamping;
Described second segmentation 313, it is the downside that is positioned at described first segmentation 311, join with described first segmentation 311 and form interior angle theta 1 greater than 90 °, described second section 313 gradually downwards inwardly tiltedly, and the length of described second segmentation 313 is less than the length of described first segmentation 311, and it is folding described first segmentation 311 that fits in after expansion;
Described second punch line 314 is the positions that join in described second segmentation 313 and the 3rd segmentation 315, via the formed bend line of die stamping;
Described the 3rd segmentation 315, be to be positioned at described second segmentation, 313 downsides to be flat, join with described second segmentation 313 and form outer angle theta 2 greater than 90 °, and extend downward the ora terminalis 332 of described nail seat 30 its head ends 33, it is described first segmentation 311 to be formed support after expansion.
Composition by above structure, in setscrew 3 penetrates the working hole B of body of wall W (as shown in figure 12), with pulling force instrument F bolt 34 is carried out pulling force P effect, because 31 positions, active region are whole the most weak position of nail seat 30 intensity, just can outwards produce dilatancy, and second segmentation 313 in the strip sheet 310 of described active region 31 is because of intensity is lower than described first, three segmentations 311,315, and contracting in its both side edges 3132 diminishes width, form the zone of weakening strength, concentrate on described first so can guide stress, two punch lines 312,314 places form turnover, and traction is approaching toward the direction of nail seat 32, the surface that is affixed on described body of wall W is pushed up in first segmentation 311 at first, then second segmentation 313 is because of pulling force P continuation effect, fit in described first segmentation 311 and produce folding packing, form the material overlap condition, and draw described the 3rd segmentation 315 forward, but because the length of the 3rd segmentation 315 is greater than second segmentation 313, make described the 3rd segmentation 315 and described first segmentation 311 form support angle θ 3, and the configuration that the formation contact supports, make described first segmentation 311 be close to the surface of body of wall W, described second segmentation 313 folds is close to described first segmentation 311, the contact of adding the 3rd section 315 supports, form at least three sections folding and support effects, therefore fastening not firm situation can not take place, and the extruding point is evenly distributed on described first segmentation 311 and the area that body of wall W surface contacts (rather than point of part); Therefore stress concentrations can not take place near the peritreme of working hole B, to guarantee construction quality.
Shown in Figure 13, for the invention process when the body of wall W5 thinner thickness, described first segmentation 311 is after expansion, its front side 3112 can be unsettled along with the living an amount of turnover of directed forces volume production, and its rear side 3111 is still kept be close to described body of wall W5 surface, the unlikely situation of falling to insert surface of wall after expansion that has now like this is used and is guaranteed folding fastening and support effect.
Respectively be provided with reinforced ribs 3131,3151 in its second segmentation 313 of the invention described above again, the 3rd segmentation 315, use and strengthen its intensity, guarantee that turning point can concentrate on first and second punch line 312,314 places.
Its second segmented structure of the invention described above can be implemented in the following manner again, embodiment as shown in figure 14, wherein said strip sheet 310 ' second segmentation its 313 ' upper/lower terminal, promptly described first and second punch line 312 ', 314 ' both side edges, be respectively equipped with a recess A1, A2, use described second segmentation 313 of reduction ' upper and lower end (be first and second punch line 312 ', 314 ' locate), concentrate on this with guiding stress, make described second segmentation 313 ' can transfer smoothly.
Moreover, embodiment that more can be as shown in figure 15, wherein said strip sheet 310 " second segmentation 313 " upper/lower terminal, be described first and second punch line 312 ", 314 " the inboard, be respectively equipped with two lateral trench C1, C2, use described second segmentation 313 of reduction " upper and lower end (be first and second punch line 312 ", 314 " locate), concentrate with guiding stress, make described second segmentation 313 " turnover.
In sum, the present invention can promote the yield of construction, by its first and second segmentation overlapping because of material after expansion, the support contact that cooperates the 3rd segmentation, and has existing multiple support effect, effectively reach and prevent to construct bad and excessive disappearance of oppressing its peritreme of working hole, the practical progressive benefit of special tool.
Claims (6)
1. setscrew, it is made up of nail seat and bolt, described nail seat is to be rolled into tubular body by lamellar body, its stage casing is the active region, be distributed with many vertical slotted holes and many strip sheets on the described active region, described strip sheet includes first segmentation, second segmentation and the 3rd segmentation, it is characterized in that:
Described first segmentation is the position that is positioned at the nearly head of a nail of described nail its strip sheet upside of seat, and outwards tiltedly goes out to extend downwards from the ora terminalis of the described head of a nail, and it is to be close to surface of wall after expansion;
Described second segmentation is the downside that is positioned at described first segmentation, join with described first segmentation, and gradually downwards inwardly tiltedly, and the length of described second segmentation is less than the length of described first segmentation, and it is folding described first segmentation that fits in expansion;
Described the 3rd segmentation, be that the downside that is positioned at described second segmentation is flat, join, and extend downward the ora terminalis of described its head end of nail seat with described second segmentation, the length of described the 3rd segmentation is greater than the length of described second segmentation, and it forms support to described first segmentation after expansion.
2. setscrew as claimed in claim 1 is characterized in that: being positioned at that described first segmentation and second segmentation are joined and the position of evagination, is first punch line that forms turnover via die stamping.
3. setscrew as claimed in claim 1 is characterized in that: being positioned at the position that described second segmentation and the 3rd segmentation are joined, is second punch line that forms turnover via die stamping.
4. setscrew as claimed in claim 1 is characterized in that: contract in described its both side edges of second segmentation, its width is the width less than described first and third segmentation.
5. setscrew as claimed in claim 1 is characterized in that: described its upper/lower terminal of second segmentation respectively is provided with breach.
6. setscrew as claimed in claim 1 is characterized in that: lateral trench is established in its upper/lower terminal inboard of described second segmentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100791357A CN100439724C (en) | 2006-05-10 | 2006-05-10 | Expansion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100791357A CN100439724C (en) | 2006-05-10 | 2006-05-10 | Expansion screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101070869A true CN101070869A (en) | 2007-11-14 |
| CN100439724C CN100439724C (en) | 2008-12-03 |
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ID=38898237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100791357A Active CN100439724C (en) | 2006-05-10 | 2006-05-10 | Expansion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100439724C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694226B (en) * | 2009-05-14 | 2013-08-07 | 福建鹏坤实业有限公司 | Anchor bolt |
| CN103629213A (en) * | 2013-12-09 | 2014-03-12 | 江苏安美捷交通设施有限公司 | Asphalt pavement screw |
| CN111207138A (en) * | 2020-03-16 | 2020-05-29 | 庞长青 | High-expansion-force anti-loosening expansion bolt |
| WO2023164803A1 (en) * | 2022-03-01 | 2023-09-07 | 施成颖 | Assembling device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2318334A1 (en) * | 1975-07-16 | 1977-02-11 | Brendle Robert | RETRACTABLE THREADED SOCKET |
| DE2945881C2 (en) * | 1979-11-14 | 1986-10-16 | SMK Meister KG, 7296 Glatten | Threaded sleeve |
| CN2312358Y (en) * | 1997-11-03 | 1999-03-31 | 揭阳市南光实业有限公司 | Expanding screw bolt used for soft wall |
| CN2474772Y (en) * | 2001-04-20 | 2002-01-30 | 久可工业股份有限公司 | Expansion screw device for cement wall capable of raising expansion effect |
| CN2474774Y (en) * | 2001-04-23 | 2002-01-30 | 久可工业股份有限公司 | Window type expansion draw nail |
| CN1487207A (en) * | 2002-09-30 | 2004-04-07 | 久可工业股份有限公司 | Improved expansion bolt |
-
2006
- 2006-05-10 CN CNB2006100791357A patent/CN100439724C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694226B (en) * | 2009-05-14 | 2013-08-07 | 福建鹏坤实业有限公司 | Anchor bolt |
| CN103629213A (en) * | 2013-12-09 | 2014-03-12 | 江苏安美捷交通设施有限公司 | Asphalt pavement screw |
| CN111207138A (en) * | 2020-03-16 | 2020-05-29 | 庞长青 | High-expansion-force anti-loosening expansion bolt |
| CN111207138B (en) * | 2020-03-16 | 2021-04-13 | 豪梅特紧固件系统(苏州)有限公司 | High-expansion-force anti-loosening expansion bolt |
| WO2023164803A1 (en) * | 2022-03-01 | 2023-09-07 | 施成颖 | Assembling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100439724C (en) | 2008-12-03 |
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