CN104061220B - A kind of setscrew utilizing hammering mode to install - Google Patents
A kind of setscrew utilizing hammering mode to install Download PDFInfo
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- CN104061220B CN104061220B CN201410284833.5A CN201410284833A CN104061220B CN 104061220 B CN104061220 B CN 104061220B CN 201410284833 A CN201410284833 A CN 201410284833A CN 104061220 B CN104061220 B CN 104061220B
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- expansion sleeve
- setscrew
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Abstract
It is an object of the invention to propose a kind of setscrew utilizing hammering mode to install, this kind of setscrew is easy for installation, effectively fastening. This setscrew comprises expansion sleeve and bolt, and bolt is installed in expansion sleeve, and one end that bolt is exposed to expansion sleeve is provided with screw thread; Key is that the barrel of expansion sleeve is provided with sleeve non-return sheet; One end of sleeve non-return sheet is connected with barrel one, and the other end is free end, and the installation direction away from expansion sleeve; Expansion sleeve is provided with the accommodating gap of hollow out at the free end of sleeve non-return sheet; Bolt is provided with outstanding bulge in the position in the accommodating gap of correspondence, and bulge is stuck in accommodating gap; Bulge is provided with the inclined-plane of the free end towards sleeve non-return sheet and the non-return face of the free end away from sleeve non-return sheet. The present invention can utilize the mode of hammering to realize installing, compared to traditional setscrew, not only easier for installation, and can provide many places non-return power, ensures that the installation of setscrew is more reliable, firm.
Description
Technical field
The invention belongs to technical field of fastening, it is related specifically to a kind of setscrew.
Background technology
Setscrew in general be metallic expansive screw, its fixation principle is as follows: setscrew utilize wedge shape gradient impel expand produce friction bond stress, reach fixed effect. One, screw is screw thread, and one has tapering. Outer bread one iron sheet cylinder, there are some otch one end of iron sheet cylinder, they are filled in together in the hole accomplished fluently on wall, then nut is locked, nut pulls outward screw, and tapering is drawn in iron sheet cylinder, and the incision of iron sheet cylinder is risen out, so being tightly fixed on wall, it is generally used for that protective grating, rain are fluffy, fastening on the material such as cement, brick such as air-conditioning.
There is following shortcoming in above-mentioned setscrew: rotating of nut 1, must be utilized to be risen out by the otch of iron sheet cylinder, and installation is wasted time and energy; 2, setscrew only could arrange otch in end, and so in use, setscrew comes fastening near end, and fixed effect is poor.
Summary of the invention
It is an object of the invention to propose a kind of setscrew utilizing hammering mode to install, this kind of setscrew is easy for installation, effectively fastening.
The setscrew utilizing hammering mode to install of the present invention comprises expansion sleeve and bolt, and described bolt is installed in expansion sleeve, and one end that bolt is exposed to expansion sleeve is provided with screw thread; Key is that the barrel of described expansion sleeve is provided with sleeve non-return sheet; One end of described sleeve non-return sheet is connected with barrel one, and the other end is free end, and the installation direction away from expansion sleeve; Described expansion sleeve is provided with the accommodating gap of hollow out at the free end of sleeve non-return sheet; Described bolt is provided with outstanding bulge in the position in the accommodating gap of correspondence, and described bulge is stuck in accommodating gap; Described bulge is provided with the inclined-plane of the free end towards sleeve non-return sheet and the non-return face of the free end away from sleeve non-return sheet.
When mounted, first (diameter in this hole should equal or slightly larger than the diameter of expansion sleeve to utilize drill bit to bore out the hole of predetermined depth and diameter on wall, the degree of depth in this hole should be less than the length of setscrew), then setscrew is put into this hole, utilize the instrument hammerings such as hammer to be exposed to the bolt of expansion sleeve, bolt is moved to installation direction relative to expansion sleeve. While bolt moves, the inclined-plane of the bulge set by bolt will with the interior side contacts of the free end of sleeve non-return sheet, and the free end of sleeve non-return sheet is tilted, is formed barb-like and block into wall, make expansion sleeve cannot deviate from wall hole again; When utilizing bolt and supporting nut fixes other object, while fastening nut, bolt can be retracted and the non-return face of bolt bulge and expansion sleeve are offseted by nut, thus avoids bolt outwards to deviate from the sleeve that expands.
Further, described expansion sleeve is also provided with bolt non-return sheet, and one end of described bolt non-return sheet and barrel one is connected, the other end be free end and towards the free end of sleeve non-return sheet; Described accommodating gap is between the free end and the free end of bolt non-return sheet of sleeve non-return sheet; Described bolt is provided with the non-return recess at one or more interval at bulge towards the side of bolt non-return sheet free end.
In installation process, at hammering bolt, the free end of sleeve non-return sheet is tilted, formed barb-like and when blocking into wall, the residue that wall produces because of the embedding of sleeve non-return sheet can oppress bolt non-return sheet, make in the non-return recess that the free end card of bolt non-return sheet enters bolt, thus bolt and expansion sleeve are fixed, avoid bolt outwards to deviate from the sleeve that expands. User can control bolt non-return sheet free end card according to the requirement of fitting depth and enter certain non-return recess, thus controls the length that bolt stretches into expansion sleeve, namely controls the length that bolt is exposed to expansion sleeve.
Further, processing for convenience and hold more wall residue, thus the installation making setscrew is more smooth, described non-return recess is the annular recess around bolt.
Further, for convenience of processing, described expansion sleeve is the cylindrical body structure that flaky material is rolled into, and described sleeve non-return sheet, bolt non-return sheet and accommodating gap are all arranged on expansion sleeve with impact style.
Further, described bolt is provided with appearance slag recess towards the end face of expansion sleeve installation direction, when holding hammering bolt to facilitate, and the residue that wall is impacted and produces.
Further, in described expansion sleeve, every two relative sleeve non-return sheets and bolt non-return sheet form one group of non-return structure; Described expansion sleeve is provided with organizes non-return structure more; Being uniformly distributed in the barrel surrounding of expansion sleeve with the non-return structure of group, the non-return structure of different group is arranged in the barrel of expansion sleeve along the installation direction of expansion sleeve. By arranging the non-return structure of many group axis and circumferential array, it is possible to provide bigger for expansion sleeve and bolt evenly non-return power, thus the installation ensureing setscrew is more reliable, firm.
Further, being the frictional force increased between expansion sleeve and wall hole hole wall, the surface of described expansion sleeve is provided with anti-skidding line, can reduce the possibility that expansion sleeve is deviate from like this.
The setscrew of the present invention is provided with sleeve non-return sheet and bolt non-return sheet at the barrel of expansion sleeve, and on bolt, it is provided with corresponding bulge, the mode of hammering can be utilized to realize the non-return of expansion sleeve and the non-return of bolt, nut is utilized to rise scalloping mode compared to traditional, not only easier for installation, and many places non-return power can be provided, ensure that the installation of setscrew is more reliable, firm.
Accompanying drawing explanation
Fig. 1 is the structural representation after the expansion sleeve expansion of the setscrew of the present invention.
Fig. 2 is the structural representation of the bolt of the setscrew of the present invention.
Fig. 3 is the expansion sleeve of the setscrew of the present invention and the axial sectional view of bolt.
Fig. 4 is the installation principle schematic of the setscrew of the present invention.
Embodiment
Compare accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as the effect and principle of work etc. of the mutual position between the shape of involved each component, structure, each several part and connection relation, each several part are described in further detail.
Embodiment 1:
As shown in Figures 1 to 3, the setscrew utilizing hammering mode to install of the present embodiment comprises expansion sleeve 1 and bolt 2, and described bolt 2 is installed in expansion sleeve 1, and one end that bolt 2 is exposed to expansion sleeve 1 is provided with screw thread 21; Key is that the barrel of described expansion sleeve 1 is provided with many group sleeve non-return sheets 11 and bolt non-return sheet 12, and one end of described bolt non-return sheet 12 is integrally connected with barrel, the other end be free end and towards expansion sleeve 1 installation direction; One end of described sleeve non-return sheet 11 is connected with barrel one, and the other end is free end, and the free end towards bolt non-return sheet 12; It it is the accommodating gap 13 of hollow out between the free end of described sleeve non-return sheet 11 and the free end of bolt non-return sheet 12; Described bolt 2 is provided with outstanding bulge 22 in the position in the accommodating gap of correspondence 13, and described bulge 22 is stuck in accommodating gap 13; Described bulge 22 is provided with the inclined-plane 221 of the free end towards sleeve non-return sheet 11 and the non-return face 222 of the free end towards bolt non-return sheet 12, and non-return face 222 is perpendicular to the body of bolt 2; Bolt 2 is provided with the annular non-return recess 23 at multiple interval at bulge 22 towards the side of bolt non-return sheet 12 free end, and non-return recess 23 is the vertical surface being perpendicular to bolt body towards the side of bolt non-return sheet 12 free end.
Further, for convenience of processing, the cylindrical body structure that described expansion sleeve 1 is rolled into for flaky material, described sleeve non-return sheet 11, bolt non-return sheet 12 and accommodating gap 13 are all arranged on expansion sleeve 1 with impact style.
Further, described bolt 2 is provided with appearance slag recess 24 towards the end face of expansion sleeve 1 installation direction, when holding hammering bolt 2 to facilitate, and the residue that wall is impacted and produces.
Further, in described expansion sleeve 1, every two relative sleeve non-return sheets 11 and bolt non-return sheet 12 form one group of non-return structure; Described expansion sleeve 1 is provided with organizes non-return structure more; Being uniformly distributed in the barrel surrounding of expansion sleeve 1 with the non-return structure of group, the non-return structure of different group is arranged in the barrel of expansion sleeve 1 along the installation direction of expansion sleeve 1. By arranging the non-return structure of many group axis and circumferential array, it is possible to provide bigger for expansion sleeve 1 and bolt 2 evenly non-return power, thus the installation ensureing setscrew is more reliable, firm.
As shown in Figure 4 (for representing clear, wall hole 3 place have employed different analyses and observe signal), when mounted, first the diameter in this hole 3 of hole 3(utilizing drill bit to bore out predetermined depth and diameter on wall 4 should equal or slightly larger than the diameter of expansion sleeve 1, the degree of depth in this hole 3 should be less than the length of setscrew), then setscrew is put into this hole 3, utilizes the instrument hammerings such as hammer to be exposed to the bolt 2 of expansion sleeve 1, bolt 2 is moved to installation direction relative to expansion sleeve 1. While bolt 2 moves, the inclined-plane 221 of the bulge 22 set by bolt 2 will with the interior side contacts of the free end of sleeve non-return sheet 11, and the free end of sleeve non-return sheet 11 is tilted, formed barb-like and block into wall 4, make expansion sleeve 1 cannot deviate from wall hole 3 again;
In installation process, at hammering bolt 2, the free end of sleeve non-return sheet 11 is tilted, formed barb-like and when blocking into wall 4, the residue that wall 4 produces because of the embedding of sleeve non-return sheet 11 can oppress bolt non-return sheet 12, make in the non-return recess 23 that the free end card of bolt non-return sheet 12 enters bolt 2, thus bolt 2 and expansion sleeve 1 are fixed, avoid bolt 2 outwards to deviate to expand sleeve 1. User can control bolt non-return sheet 12 free end card according to the requirement of fitting depth and enter certain non-return recess 23, thus controls the length that bolt 2 stretches into expansion sleeve 1, namely controls the length that bolt 2 is exposed to expansion sleeve 1.
And, even if because of various reasons, the free end of bolt non-return sheet 12 does not block in the non-return recess 23 of bolt 2, following mode can also be utilized to avoid bolt 2 outwards to deviate to expand sleeve 1, thus realize double insurance: when utilizing bolt 2 and supporting nut fixes other object, while fastening nut, bolt 2 can be retracted and the non-return face 222 of bolt 2 bulge 22 and expansion sleeve 1 are offseted by nut, thus avoids bolt 2 outwards to deviate to expand sleeve 1.
Claims (7)
1. the setscrew utilizing hammering mode to install, comprises expansion sleeve and bolt, and described bolt is installed in expansion sleeve, and one end that bolt is exposed to expansion sleeve is provided with screw thread; It is characterized in that the barrel of described expansion sleeve is provided with sleeve non-return sheet; One end of described sleeve non-return sheet is connected with barrel one, and the other end is free end, and the installation direction away from expansion sleeve; Described expansion sleeve is provided with the accommodating gap of hollow out at the free end of sleeve non-return sheet; Described bolt is provided with outstanding bulge in the position in the accommodating gap of correspondence, and described bulge is stuck in accommodating gap; Described bulge is provided with the inclined-plane of the free end towards sleeve non-return sheet and the non-return face of the free end away from sleeve non-return sheet; Described expansion sleeve is also provided with bolt non-return sheet, and one end of described bolt non-return sheet and barrel one is connected, the other end be free end and towards the free end of sleeve non-return sheet; Described accommodating gap is between the free end and the free end of bolt non-return sheet of sleeve non-return sheet; Described bolt is provided with the non-return recess at one or more interval at bulge towards the side of bolt non-return sheet free end.
2. the setscrew utilizing hammering mode to install according to claim 1, it is characterised in that described non-return recess is the annular recess around bolt.
3. the setscrew utilizing hammering mode to install according to claim 1 and 2, it is characterised in that described expansion sleeve is the cylindrical body structure that flaky material is rolled into.
4. the setscrew utilizing hammering mode to install according to claim 3, it is characterised in that described sleeve non-return sheet, bolt non-return sheet and accommodating gap are all arranged on expansion sleeve with impact style.
5. the setscrew utilizing hammering mode to install according to claim 1 and 2, it is characterised in that described bolt is provided with appearance slag recess towards the end face of expansion sleeve installation direction.
6. the setscrew utilizing hammering mode to install according to claim 1 and 2, it is characterised in that in described expansion sleeve, every two relative sleeve non-return sheets and bolt non-return sheet form one group of non-return structure; Described expansion sleeve is provided with organizes non-return structure more; Being uniformly distributed in the barrel surrounding of expansion sleeve with the non-return structure of group, the non-return structure of different group is arranged in the barrel of expansion sleeve along the installation direction of expansion sleeve.
7. the setscrew utilizing hammering mode to install according to claim 1 and 2, it is characterised in that the surface of described expansion sleeve is provided with anti-skidding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284833.5A CN104061220B (en) | 2014-06-24 | 2014-06-24 | A kind of setscrew utilizing hammering mode to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410284833.5A CN104061220B (en) | 2014-06-24 | 2014-06-24 | A kind of setscrew utilizing hammering mode to install |
Publications (2)
| Publication Number | Publication Date |
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| CN104061220A CN104061220A (en) | 2014-09-24 |
| CN104061220B true CN104061220B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410284833.5A Active CN104061220B (en) | 2014-06-24 | 2014-06-24 | A kind of setscrew utilizing hammering mode to install |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533909A (en) * | 2014-12-31 | 2015-04-22 | 伍振成 | Laminated expansion bolt |
| CN111705794A (en) * | 2020-06-28 | 2020-09-25 | 江阴职业技术学院 | Anchor rod resistance increasing device and construction method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416272Y (en) * | 2000-04-24 | 2001-01-24 | 上海美固工贸有限公司 | Knocking mounting expansion nail |
| US6835036B2 (en) * | 2003-03-07 | 2004-12-28 | Illinois Tool Works Inc. | Concrete anchor |
| CN201137613Y (en) * | 2007-11-15 | 2008-10-22 | 李金龙 | Embedded fixed bolt |
| CN201141378Y (en) * | 2007-12-20 | 2008-10-29 | 陈思德 | Novel expansion bolt |
| CN203321990U (en) * | 2013-05-10 | 2013-12-04 | 广州市九臻建材科技有限公司 | Improved expansion screw |
| CN203500213U (en) * | 2013-10-22 | 2014-03-26 | 苏州合展设计营造有限公司 | Expansion locking and fastening structure |
| CN204003871U (en) * | 2014-06-24 | 2014-12-10 | 黄传勇 | A kind of setscrew that utilizes hammering mode to install |
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- 2014-06-24 CN CN201410284833.5A patent/CN104061220B/en active Active
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Effective date of registration: 20201228 Address after: Block a, Rongjin Plaza, No.88 Qiliang Road, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU XINZHONG INTELLECTUAL PROPERTY OPERATION MANAGEMENT Co.,Ltd. Address before: A405, Jinfu building, 84 Renmin Road, Xinyi City, Maoming City, Guangdong Province, 525300 Patentee before: Huang Chuanyong |
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Address after: 212300 block D2, science and Innovation Park, No. 19, Qiliang Road, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Xinzhong Enterprise Management Co.,Ltd. Address before: Block a, Rongjin Plaza, No.88 Qiliang Road, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU XINZHONG INTELLECTUAL PROPERTY OPERATION MANAGEMENT Co.,Ltd. |
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