CN108953347B - Self-locking nut for automobile - Google Patents
Self-locking nut for automobile Download PDFInfo
- Publication number
- CN108953347B CN108953347B CN201810860363.0A CN201810860363A CN108953347B CN 108953347 B CN108953347 B CN 108953347B CN 201810860363 A CN201810860363 A CN 201810860363A CN 108953347 B CN108953347 B CN 108953347B
- Authority
- CN
- China
- Prior art keywords
- convex plate
- hole
- top surface
- stud
- nut
- 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.)
- Active
Links
- 238000009950 felting Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 15
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Dowels (AREA)
Abstract
The invention discloses a self-locking nut for an automobile, which comprises a screw head, a first convex plate, a second convex plate and a stud, wherein a first through hole is formed in the screw head, the first convex plate, the second convex plate and the stud in a penetrating way, an internal thread is arranged in the first through hole, a second through hole is formed in the bottom surface of the screw head, a plurality of first cutting strips are arranged on the top surface of the screw head, a plurality of second cutting strips are arranged on the top surface of the first convex plate, a plurality of third cutting strips are arranged on the top surface of the second convex plate, and a plurality of needles are arranged on the side wall of the stud, so that after the nut is knocked into a base material, the first cutting strips, the second cutting strips, the third cutting strips and the needles can be embedded into the surface of the base material and the different angles and depths of preset holes, the contact area of the nut and the base material is increased, and the friction force between the nut and the base material is improved, the nut is effectively prevented from rotating along with the use, and the slipping condition of the nut is further prevented through the anti-slip lines on the surface of the second convex plate.
Description
Technical Field
The invention relates to the technical field of nuts, in particular to the technical field of self-locking nuts for automobiles.
Background
At present, nuts can be used when a plurality of parts are installed on an automobile, but because the common nuts do not have the self-locking and anti-slip functions, the nuts can be loosened due to vibration, when the loosened nuts are matched with bolts for use, the nuts and base materials can slip and rotate, even the nuts fall off, the connection firmness is seriously affected, and potential safety hazards are improved. Therefore, in order to solve the above problems, a self-locking nut for an automobile is proposed.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a self-locking nut for an automobile, which can be used for effectively preventing the nut from following rotation during use by fixing a first convex plate and a first cutting bar on a screw head, fixing a second convex plate and a second cutting bar on the first convex plate, and fixing a stud with a puncture needle and a third cutting bar on the second convex plate, so that the first cutting bar, the second cutting bar, the third cutting bar and the puncture needle can be embedded into the surface of the substrate and different angles and depths in a preset hole after the nut is knocked into the substrate, the contact area of the nut and the substrate is increased, and the friction force of the nut and the substrate is improved, thereby further preventing the nut from slipping through anti-skid lines on the surface of the second convex plate.
In order to achieve the above purpose, the invention provides a self-locking nut for an automobile, which comprises a screw head, a first convex plate, a second convex plate and a stud, wherein a first through hole is formed in the screw head, the first convex plate, the second convex plate and the stud in a penetrating way, an internal thread is arranged in the first through hole, a second through hole is formed in the bottom surface of the screw head, a plurality of first cutting strips are arranged on the top surface of the screw head, a plurality of second cutting strips are arranged on the top surface of the first convex plate, a plurality of third cutting strips are arranged on the top surface of the second convex plate, and a plurality of needles are arranged on the side wall of the stud.
Preferably, the first through hole is communicated with the second through hole.
Preferably, the diameter of the second through hole is larger than that of the first through hole, and an arc-shaped flange is arranged at the edge of the second through hole.
Preferably, the first convex plate is located at the center of the top surface of the screw head, the diameter of the first convex plate is smaller than that of the screw head, the second convex plate is located at the center of the top surface of the first convex plate, the diameter of the second convex plate is smaller than that of the first convex plate, the stud is located at the center of the top surface of the second convex plate, and the diameter of the stud is smaller than that of the second convex plate.
Preferably, the height of the first cutting strip is consistent with the height of the first convex plate, and the height of the second cutting strip is consistent with the height of the second convex plate.
Preferably, the angles of the position distributions of the first, second and third cut strips are staggered from each other.
Preferably, the top surface of the second convex plate is provided with anti-skid lines except the third cutting strip.
Preferably, the screw head, the first convex plate, the second convex plate and the stud are of an integrated structure.
The invention has the beneficial effects that: according to the invention, the first convex plate and the first cutting strip are fixed on the screw head, the second convex plate and the second cutting strip are fixed on the first convex plate, and the stud with the puncture needle and the third cutting strip are fixed on the second convex plate, so that the first cutting strip, the second cutting strip, the third cutting strip and the puncture needle can be embedded into the surface of the base material and the different angles and depths in the preset hole after the nut is knocked into the base material, the contact area of the nut and the base material is increased, the friction force between the nut and the base material is increased, the nut is effectively prevented from rotating along when in use, and the slipping of the nut is further prevented through the anti-slip lines on the surface of the second convex plate.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of a self-locking nut for an automobile according to the present invention;
FIG. 2 is a top view of a self-locking nut for an automobile according to the present invention;
fig. 3 is a bottom view of a self-locking nut for an automobile according to the present invention.
In the figure: 1-screw head, 11-first cutting strip, 12-second through hole, 121-arc flange, 2-first flange, 21-second cutting strip, 3-second flange, 31-third cutting strip, 32-anti-skid line, 4-stud, 41-felting needle, 5-first through hole and 51-internal thread.
Detailed Description
Referring to fig. 1, 2 and 3, the self-locking nut for automobile of the invention comprises a screw head 1, a first convex plate 2, a second convex plate 3 and a stud 4, wherein a first through hole 5 is arranged in the screw head 1, the first convex plate 2, the second convex plate 3 and the stud 4 in a penetrating way, an internal thread 51 is arranged in the first through hole 5, a second through hole 12 is arranged on the bottom surface of the screw head 1, a plurality of first cutting bars 11 are arranged on the top surface of the screw head 1, a plurality of second cutting bars 21 are arranged on the top surface of the first convex plate 2, a plurality of third cutting bars 31 are arranged on the top surface of the second convex plate 3, a plurality of needles 41 are arranged on the side wall of the stud 4, the first through hole 5 is communicated with the second through hole 12, the diameter of the second through hole 12 is larger than that of the first through hole 5, an arc-shaped flange 121 is arranged on the edge of the second through hole 12, the first convex plate 2 is located at the center of the top surface of the screw head 1, the diameter of the first convex plate 2 is smaller than that of the screw head 1, the second convex plate 3 is located at the center of the top surface of the first convex plate 2, the diameter of the second convex plate 3 is smaller than that of the first convex plate 2, the stud 4 is located at the center of the top surface of the second convex plate 3, the diameter of the stud 4 is smaller than that of the second convex plate 3, the height of the first cutting bar 11 is consistent with that of the first convex plate 2, the height of the second cutting bar 21 is consistent with that of the second convex plate 3, the positions of the first cutting bar 11, the second cutting bar 21 and the third cutting bar 31 are staggered, and anti-skid lines 32 are arranged on the top surface of the second convex plate 3 except for the third cutting bar 31, and the screw head 1, the first convex plate 2, the second stud 3 and the stud 4 are of an integral structure.
The working process of the invention comprises the following steps:
in the working process of the self-locking nut for the automobile, a preset hole is firstly drilled on a base material, the self-locking nut for the automobile is put in the self-locking nut for the automobile, and the bottom surface of the screw head 1 is knocked until the second convex plate 3 and the first convex plate 2 are completely embedded into the surface of the base material.
According to the invention, the first convex plate and the first cutting strip are fixed on the screw head, the second convex plate and the second cutting strip are fixed on the first convex plate, and the stud with the puncture needle and the third cutting strip are fixed on the second convex plate, so that the first cutting strip, the second cutting strip, the third cutting strip and the puncture needle can be embedded into the surface of the base material and the different angles and depths in the preset hole after the nut is knocked into the base material, the contact area of the nut and the base material is increased, the friction force between the nut and the base material is increased, the nut is effectively prevented from rotating along when in use, and the slipping of the nut is further prevented through the anti-slip lines on the surface of the second convex plate.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (4)
1. The utility model provides a self-locking nut for car which characterized in that: including spiral shell head (1), first flange (2), second flange (3) and double-screw bolt (4), spiral shell head (1), first flange (2), second flange (3) and double-screw bolt (4) in link up and be equipped with first through-hole (5), be equipped with internal thread (51) in first through-hole (5), spiral shell head (1) bottom surface on be equipped with second through-hole (12), be equipped with a plurality of first tangential stripes (11) on the top surface of spiral shell head (1), be equipped with a plurality of second tangential stripes (21) on the top surface of first flange (2), be equipped with a plurality of third tangential stripes (31) on the top surface of second flange (3), be equipped with a plurality of felting needles (41) on the lateral wall of double-screw bolt (4), first through-hole (5) are linked together with second through-hole (12), the diameter of second through-hole (12) is greater than the diameter of first through-hole (5), the edge of second through-hole (12) is equipped with arc flange (121), the first tangential stripes (21) are highly staggered with the first tangential stripes (21) of first flange (11) and second tangential stripes (21) are highly identical with each other.
2. A self-locking nut for an automobile as defined in claim 1, wherein: the novel screw bolt comprises a screw head (1), a first convex plate (2) and a stud (4), wherein the first convex plate (2) is located in the center of the top surface of the screw head (1), the diameter of the first convex plate (2) is smaller than that of the screw head (1), a second convex plate (3) is located in the center of the top surface of the first convex plate (2), the diameter of the second convex plate (3) is smaller than that of the first convex plate (2), the stud (4) is located in the center of the top surface of the second convex plate (3), and the diameter of the stud (4) is smaller than that of the second convex plate (3).
3. A self-locking nut for an automobile as defined in claim 1, wherein: the top surface of the second convex plate (3) is provided with anti-skid lines (32) except the third cutting strip (31).
4. A self-locking nut for an automobile as defined in claim 1, wherein: the screw head (1), the first convex plate (2), the second convex plate (3) and the stud (4) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810860363.0A CN108953347B (en) | 2018-08-01 | 2018-08-01 | Self-locking nut for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810860363.0A CN108953347B (en) | 2018-08-01 | 2018-08-01 | Self-locking nut for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953347A CN108953347A (en) | 2018-12-07 |
| CN108953347B true CN108953347B (en) | 2023-08-25 |
Family
ID=64466785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810860363.0A Active CN108953347B (en) | 2018-08-01 | 2018-08-01 | Self-locking nut for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953347B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069170A1 (en) * | 2002-02-15 | 2003-08-21 | Ad/Tech Developments Pty Ltd As Trustee For Ad/Tech Developments Trust | A self-locking fastener |
| CN204175767U (en) * | 2014-10-20 | 2015-02-25 | 浙江荣得利航空部件有限公司 | Dual anti-loosing nut external member |
| CN104389883A (en) * | 2014-09-12 | 2015-03-04 | 奥展实业有限公司 | Powerful locking nut structure |
| CN204572714U (en) * | 2015-04-01 | 2015-08-19 | 浙江方泉汽车标准件有限公司 | A kind of convex grain formula anti-slip Insert Nut |
| CN105201980A (en) * | 2015-10-09 | 2015-12-30 | 海盐远洋标准件有限公司 | Screw of building scaffold |
| CN108119510A (en) * | 2016-11-29 | 2018-06-05 | 陈业国 | A kind of dual anti-slip riveting nut |
-
2018
- 2018-08-01 CN CN201810860363.0A patent/CN108953347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069170A1 (en) * | 2002-02-15 | 2003-08-21 | Ad/Tech Developments Pty Ltd As Trustee For Ad/Tech Developments Trust | A self-locking fastener |
| CN104389883A (en) * | 2014-09-12 | 2015-03-04 | 奥展实业有限公司 | Powerful locking nut structure |
| CN204175767U (en) * | 2014-10-20 | 2015-02-25 | 浙江荣得利航空部件有限公司 | Dual anti-loosing nut external member |
| CN204572714U (en) * | 2015-04-01 | 2015-08-19 | 浙江方泉汽车标准件有限公司 | A kind of convex grain formula anti-slip Insert Nut |
| CN105201980A (en) * | 2015-10-09 | 2015-12-30 | 海盐远洋标准件有限公司 | Screw of building scaffold |
| CN108119510A (en) * | 2016-11-29 | 2018-06-05 | 陈业国 | A kind of dual anti-slip riveting nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953347A (en) | 2018-12-07 |
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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 | ||
| CP03 | Change of name, title or address |
Address after: Building A, No. 288 Fuxing Road, Wanghai Street, Haiyan County, Jiaxing City, Zhejiang Province, 314300 Patentee after: Jiaxing Xinya Technology Co.,Ltd. Address before: 314300 No.2, Jiuli village standard workshop, dianzhuang community, Yuantong street, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: JIAXING XINYA AUTO PARTS CO.,LTD. |
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| CP03 | Change of name, title or address |