CN111577733B - Self-tapping locking type thin fixing screw - Google Patents
Self-tapping locking type thin fixing screw Download PDFInfo
- Publication number
- CN111577733B CN111577733B CN202010431406.0A CN202010431406A CN111577733B CN 111577733 B CN111577733 B CN 111577733B CN 202010431406 A CN202010431406 A CN 202010431406A CN 111577733 B CN111577733 B CN 111577733B
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- China
- Prior art keywords
- locking
- section
- self
- tapping
- stud
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 46
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011295 pitch Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0005—Screws that cut thread in the body into which they are screwed, e.g. wood screws of the helical wire type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0057—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a self-tapping locking type thin fixing screw which comprises a screw head, a stud and a locking gasket, wherein the bottom of the screw head is provided with the stud, the stud also comprises a locking section and a self-tapping section, the self-tapping section is positioned at the right end of the locking section, the bottom of the locking gasket is provided with a spiral elastic locking sleeve, and the elastic locking sleeve is matched with the threads of the locking section to fix the locking gasket at the bottom of the screw head.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of screws, in particular to the technical field of self-tapping locking type thin-fixing screws.
[ background of the invention ]
Screws are commonly used fasteners and are widely used in many fields because of their many advantages, such as self-locking, simple manufacture, mass production, low cost, interchangeability, etc. The screw consists of a nut and a screw rod, wherein the nut and the screw rod are connected with each other, the screw rod is provided with an external thread, the thread of the screw can automatically tap into a thread bottom hole on a workpiece under the action of pressure in the rotating process of the screw, and the self-locking of the screw in the axial direction is realized by utilizing the external thread on the screw rod. In actual work, sometimes need to carry out the operation of screwing up screw to thinner panel, in order to guarantee connection quality, the number of turns of the screw tooth that directly contacts with panel is more, and the connection between screw and the panel is more firm, but if select the screw that tooth pitch is less, tapping speed will be very slow again, leads to the problem that production efficiency is lower, if select the great screw thread of tooth pitch for use, though fast, nevertheless because some tapping end is the thin plate spare and will appear smooth silk phenomenon easily. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a self-tapping locking type thin fixing screw which has the advantages of high tapping speed and firm locking through the mode of arranging a tapping section and a fastening section.
In order to achieve the purpose, the invention provides a self-tapping locking type thin-fixing screw which comprises a screw head, a stud and a locking gasket, wherein the stud is arranged at the bottom of the screw head, the stud further comprises a locking section and a self-tapping section, the self-tapping section is positioned at the right end of the locking section, a spiral elastic locking sleeve is arranged at the bottom of the locking gasket, and the elastic locking sleeve is matched with threads of the locking section to fix the locking gasket at the bottom of the screw head.
Preferably, the top of the screw head is provided with a screw assembling and disassembling hole which is a cross hole, the bottom surface of the screw head is provided with a plurality of anti-skid protrusions, and the anti-skid protrusions are uniformly distributed at intervals in an annular shape along the central point of the bottom surface of the screw head.
Preferably, the upper bottom surface of the locking gasket is provided with a coordination groove corresponding to the anti-skid protrusion, and the lower bottom surface of the locking gasket is provided with anti-skid grains.
Preferably, a clamping groove is formed in the lower surface of the locking section screw thread, the section of the clamping groove is triangular, and the clamping groove is close to the root of the locking section screw thread.
Preferably, the section of the elastic locking sleeve is approximately an inverted isosceles trapezoid, a clamping strip matched with the clamping groove is arranged on the left side edge of the section of the elastic locking sleeve, and the height of the section of the elastic locking sleeve is 0.5 times of that of the locking section screw teeth.
Preferably, the bottom of the self-tapping section is provided with a tapping tip, the thread length of the self-tapping section is 2-3 times of that of the locking section, and the thread distance of the self-tapping section is 2 times of that of the locking section.
Preferably, the screw head and the stud are integrally designed stainless steel products, and the locking gasket is a nylon product.
The invention has the beneficial effects that: according to the invention, the self-tapping section and the locking section with different angles and screw pitches are utilized to respectively realize the effects of quick tapping and firm locking by arranging the self-tapping section and the locking section on the stud, so that the defects of the existing product are overcome; by arranging the locking gasket with the coordination groove and matching with the anti-skidding bulge at the bottom of the screw head, the locking gasket is prevented from being dislocated and loosened, and the locking effect is ensured; the mode of the spiral elastic locking sleeve with the clamping strip is arranged at the bottom of the locking gasket, the clamping groove at the bottom of the thread of the locking section is matched, the fastening effect of the screw is further improved, and meanwhile, the spiral elastic locking sleeve can also play a role in preventing the thread from sliding.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a self-tapping locking type thin-set screw according to the present invention;
FIG. 2 is a schematic structural view of a locking washer of the self-tapping locking type thin-set screw of the present invention;
FIG. 3 is an enlarged view of the point A of the self-tapping locking type thin-set screw of the present invention;
fig. 4 is an enlarged view of the point B of the self-tapping locking type thin-set screw according to the present invention.
In the figure: 1-screw head, 11-screw assembling and disassembling hole, 12-anti-skidding bulge, 2-stud, 3-locking gasket, 31-elastic locking sleeve, 311-clamping strip, 32-coordination groove, 33-anti-skidding line, 4-locking section, 41-clamping groove, 5-self-tapping section and 51-tapping tip.
[ detailed description ] embodiments
Referring to the attached drawings, the self-tapping locking type thin-fixing screw comprises a screw head 1, a stud 2 and a locking gasket 3, wherein the stud 2 is arranged at the bottom of the screw head 1, the stud 2 further comprises a locking section 4 and a self-tapping section 5, the self-tapping section 5 is located at the right end of the locking section 4, a spiral elastic locking sleeve 31 is arranged at the bottom of the locking gasket 3, and the elastic locking sleeve 31 is matched with threads of the locking section 4 to fix the locking gasket 3 at the bottom of the screw head 1.
The anti-skid screw is characterized in that a screw assembling and disassembling hole 11 is formed in the top of the screw head 1, the screw assembling and disassembling hole 11 is a cross hole, a plurality of anti-skid protrusions 12 are arranged on the bottom surface of the screw head 1, and the anti-skid protrusions 12 are distributed at equal intervals in an annular mode along the central point of the bottom surface of the screw head 1.
The upper bottom surface of the locking gasket 3 is provided with a coordination groove 32 corresponding to the anti-skid protrusion 12, and the lower bottom surface of the locking gasket 3 is provided with anti-skid grains 33.
The lower surface of the thread of the locking section 4 is provided with a clamping groove 41, the section of the clamping groove 41 is triangular, and the clamping groove 41 is close to the root of the thread of the locking section 4.
The section of the elastic locking sleeve 31 is approximately an inverted isosceles trapezoid, a clamping strip 311 matched with the clamping groove 41 is arranged on the left side edge of the section of the elastic locking sleeve 31, and the height of the section of the elastic locking sleeve 31 is 0.5 times of that of the locking section 4 threads.
The bottom of the self-tapping section 5 is provided with a tapping tip 51, the thread length of the self-tapping section 5 is 2-3 times of that of the locking section 4, and the thread distance of the self-tapping section 5 is 2 times of that of the locking section 4.
The screw head 1 and the stud 2 are integrally designed stainless steel products, and the locking gasket 3 is a nylon product.
The working process of the invention is as follows:
during the working process of the self-tapping locking type thin-fixation screw, the locking gasket 3 can be firstly installed at the bottom of the screw head 1, the anti-skid protrusions 12 and the coordination grooves 32 are aligned one by one, then the elastic locking sleeve 31 is completely attached to the threads of the locking section 4, the clamping strip 311 is ensured to be accurately clamped into the clamping groove 41, and finally the screw is installed on a station needing to be installed, so that the installation of the screw is completed.
According to the self-tapping locking type thin-fixing screw, the self-tapping section 5 and the locking section 4 are arranged on the stud, and the self-tapping section 5 and the locking section 4 with different angles and screw pitches are utilized, so that the effects of quick tapping and firm locking are achieved respectively, and the defects of the existing product are overcome; by arranging the locking gasket 3 with the coordination groove 32 and matching with the anti-skid bulge 12 at the bottom of the screw head 1, the locking gasket 3 is prevented from being dislocated and loosened, and the locking effect is ensured; the spiral elastic locking sleeve 31 with the clamping strip 311 is arranged at the bottom of the locking gasket 3 and is matched with the clamping groove 41 at the bottom of the thread of the locking section 4, so that the fastening effect of the screw is further improved, and meanwhile, the spiral elastic locking sleeve 31 can also play a role in preventing the thread from sliding.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a thin solid screw of self tapping locking formula which characterized in that: the anti-skid stud comprises a stud head (1), a stud (2) and a locking gasket (3), wherein the stud (2) is arranged at the bottom of the stud head (1), the stud (2) further comprises a locking section (4) and a self-tapping section (5), the self-tapping section (5) is arranged at the right end of the locking section (4), a spiral elastic locking sleeve (31) is arranged at the bottom of the locking gasket (3), the elastic locking sleeve (31) is matched with the threads of the locking section (4) to fix the locking gasket (3) at the bottom of the stud head (1), a screw assembling and disassembling hole (11) is formed in the top of the stud head (1), the screw assembling and disassembling hole (11) is a cross hole, a plurality of anti-skid protrusions (12) are arranged on the bottom surface of the stud head (1), the anti-skid protrusions (12) are distributed along the central point of the bottom surface of the stud head (1) at annular uniform intervals, and coordination grooves (32) corresponding to the anti-skid protrusions (12) are formed in the upper bottom surface of the locking gasket (3), be equipped with on the lower floor of lock washer (3) antiskid line (33), be equipped with chucking groove (41) on the lower surface of locking section (4) thread, the section of cutting of chucking groove (41) is triangle-shaped, the root that locking section (4) thread is close to in chucking groove (41), the isosceles trapezoid of approximately invering is cut the section to elasticity lock sleeve (31), elasticity lock sleeve (31) are cut the sectional left side edge and are equipped with card strip (311) with chucking groove (41) matched with, elasticity lock sleeve (31) are cut sectional height and are 0.5 times of locking section (4) thread.
2. A thread forming locking type thin set screw as recited in claim 1, wherein: the bottom of the self-tapping section (5) is provided with a tapping tip (51), the thread length of the self-tapping section (5) is 2-3 times of that of the locking section (4), and the thread distance of the self-tapping section (5) is 2 times of that of the locking section (4).
3. A thread forming locking type thin set screw as recited in any one of claims 1 to 2, wherein: the screw head (1) and the stud (2) are integrally designed to be a stainless steel product, and the locking gasket (3) is a nylon product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431406.0A CN111577733B (en) | 2020-05-20 | 2020-05-20 | Self-tapping locking type thin fixing screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431406.0A CN111577733B (en) | 2020-05-20 | 2020-05-20 | Self-tapping locking type thin fixing screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111577733A CN111577733A (en) | 2020-08-25 |
| CN111577733B true CN111577733B (en) | 2021-12-14 |
Family
ID=72125122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010431406.0A Active CN111577733B (en) | 2020-05-20 | 2020-05-20 | Self-tapping locking type thin fixing screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577733B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193434A (en) * | 1978-08-10 | 1980-03-18 | Illinois Tool Works Inc. | Preassembled fastener unit for clamping plastic workpieces |
| WO1995022701A1 (en) * | 1994-02-18 | 1995-08-24 | Mage Ag | Sheet-metal section screw |
| US5622464A (en) * | 1995-08-22 | 1997-04-22 | Illinois Tool Works Inc. | Screw with increased driving resistance at proper depth |
| CN108464859A (en) * | 2018-04-17 | 2018-08-31 | 上海市第六人民医院 | A kind of dynamical feedback fixed system |
| CN207848154U (en) * | 2018-01-31 | 2018-09-11 | 大连恒平精工紧固件有限公司 | The thin solid screw of self tapping locking type |
| CN108561409A (en) * | 2018-07-16 | 2018-09-21 | 四川中伦精密机械有限公司 | Embedding spring formula double anti-loosing nut |
| CN111173829A (en) * | 2020-03-20 | 2020-05-19 | 兰州鑫博电子信息技术有限公司 | Elastic thread bolt never loose |
-
2020
- 2020-05-20 CN CN202010431406.0A patent/CN111577733B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193434A (en) * | 1978-08-10 | 1980-03-18 | Illinois Tool Works Inc. | Preassembled fastener unit for clamping plastic workpieces |
| WO1995022701A1 (en) * | 1994-02-18 | 1995-08-24 | Mage Ag | Sheet-metal section screw |
| US5622464A (en) * | 1995-08-22 | 1997-04-22 | Illinois Tool Works Inc. | Screw with increased driving resistance at proper depth |
| CN207848154U (en) * | 2018-01-31 | 2018-09-11 | 大连恒平精工紧固件有限公司 | The thin solid screw of self tapping locking type |
| CN108464859A (en) * | 2018-04-17 | 2018-08-31 | 上海市第六人民医院 | A kind of dynamical feedback fixed system |
| CN108561409A (en) * | 2018-07-16 | 2018-09-21 | 四川中伦精密机械有限公司 | Embedding spring formula double anti-loosing nut |
| CN111173829A (en) * | 2020-03-20 | 2020-05-19 | 兰州鑫博电子信息技术有限公司 | Elastic thread bolt never loose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111577733A (en) | 2020-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee after: Jiaxing Hongcheng Seiko technology Co.,Ltd. Address before: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee before: HAIYAN H&C FASTENER Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A self tapping locking thin set screw Effective date of registration: 20230902 Granted publication date: 20211214 Pledgee: Tongyuan sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: Jiaxing Hongcheng Seiko technology Co.,Ltd. Registration number: Y2023330001934 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211214 Pledgee: Tongyuan sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: Jiaxing Hongcheng Seiko technology Co.,Ltd. Registration number: Y2023330001934 |