CN113007190A - Fastener with correction function and machining process thereof - Google Patents
Fastener with correction function and machining process thereof Download PDFInfo
- Publication number
- CN113007190A CN113007190A CN202110209184.2A CN202110209184A CN113007190A CN 113007190 A CN113007190 A CN 113007190A CN 202110209184 A CN202110209184 A CN 202110209184A CN 113007190 A CN113007190 A CN 113007190A
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- China
- Prior art keywords
- bolt
- fastener
- eccentric
- hole
- eccentric cone
- 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.)
- Pending
Links
- 238000003754 machining Methods 0.000 title claims description 5
- 239000003973 paint Substances 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/025—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread specially designed to compensate for misalignement or to eliminate unwanted play
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
Abstract
The invention provides a fastener with correction function and a processing technology thereof, comprising an opponent part A, an opponent part B and a correction bolt, the counterpoint member A is provided with a counterpoint hole, the counterpoint member B is provided with a matching hole, the tail end of the correcting bolt is provided with an eccentric cone, the thread part of the correcting bolt is provided with a paint scraping groove, the center of the top end of the eccentric cone is fixedly provided with a connecting screw rod, two groups of auxiliary connecting rods are arranged on two sides of the center of the top end of the eccentric cone, the center of the bottom end of the correcting bolt is provided with a connecting screw hole matched with the connecting screw rod and a sliding ring groove matched with the, by adopting the mode, the offset of the hand piece hole is automatically corrected by utilizing the eccentric cone and the paint scraping groove and the eccentric large taper of the tail end eccentric cone in the rotary motion of the correcting bolt in the installation process, meanwhile, the paint scraping groove is used for processing accumulated paint or rust in the hand piece hole, correction is carried out in the fastening process, and the two processes are carried out synchronously.
Description
Technical Field
The invention relates to the technical field of correction fastening, in particular to a fastening piece with a correction function and a processing technology thereof.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, has wide application industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and is a mechanical basic part which has the most wide application. It features that its specifications are various, its performance and application are different, and its standardization, seriation and universalization degrees are very high, so that it is also known that the fastener of the existing national standard is standard fastener or standard component for short.
The fastener extensively is used for fields such as the whole car of car changes joining in marriage, truck, engineering machine tool, track, agricultural machine, bridge construction, and current fastener need be in advance with two sets of to the addressee when fastening to two sets of opponent parts, utilizes the fastener to carry out fastening connection, simultaneously, because there is the long-pending lacquer or the rusty condition in the surface treatment hole is done to the opponent part, be not convenient for fastener and opponent part link to each other.
Based on this, a fastener with correction function is provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a fastener with a correction function and a processing technology thereof, and solves the problems that when two sets of opponent parts are fastened by the conventional fastener, two sets of opposite receiving parts need to be aligned in advance, and the opponent parts are fastened and connected by the fastener, and meanwhile, the connection between the fastener and the opponent parts is inconvenient due to the fact that paint deposits or rust exists in surface treatment holes of the opponent parts.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a from taking correction function fastener, includes counterparty piece A, counterparty piece B, correction bolt, be provided with the counterpoint hole on the counterpoint piece A, be provided with the mating holes on the counterpoint piece B, correction bolt tail end is provided with eccentric awl, correction bolt screw thread department has been seted up and has been scraped the lacquer groove, eccentric awl top center is fixed with connecting screw, eccentric awl top center both sides are provided with two sets of auxiliary connecting rods, correction bolt bottom center seted up with connecting screw complex connect the screw and with auxiliary connecting rod complex sliding ring groove.
Furthermore, the matching holes are matched with the aligning holes, the diameters of the matching holes and the aligning holes are the same, and the correcting bolts are in threaded fit with the matching holes and the positioning holes.
Furthermore, the paint scraping grooves are symmetrically arranged at the end part of the thread of the correcting bolt.
Furthermore, the length of the eccentric cone is greater than the sum of the thickness of the counter element A and the thickness of the counter element B, the diameter of the end of the eccentric cone is equal to one third of the maximum diameter of the eccentric cone, and the maximum diameter of the eccentric cone is equal to the diameter of the correcting bolt.
Further, the screw fastening direction of the connecting screw rod and the connecting screw hole is the same as the screw fastening direction of the correcting bolt, the matching hole and the positioning hole.
Furthermore, the two groups of auxiliary connecting rods are symmetrically arranged by taking the connecting screw rods as symmetrical objects, the top ends of the auxiliary connecting rods are in magnetic fit with the top end of the sliding ring groove, and the depth of the sliding ring groove is equal to the height of the auxiliary connecting rods.
A processing technology of a fastener with a correction function comprises the following steps:
production of correcting bolt
S11, cutting: taking a wire rod, and automatically feeding the wire rod through inner scissors and outer scissors of a bolt forming machine;
s12, shaping and pre-upsetting: shaping the head of the raw material, pre-upsetting the raw material, and upsetting the raw material to a mushroom head shape;
s13, pier stud: the head is provided with a pier cylindrical head, and the outer diameter of the cylindrical head is pier-to-three-station hexagonal diagonal size;
s14, binding a hexagonal thread rolling diameter: the head part is hexagonal, and the rod part is twisted with the tooth diameter;
s15, flange forming and paint scraping groove bundling: forming a head hexagon and a flange, and binding a rod part with a paint scraping groove;
s16, forming a connecting screw hole and a slip ring groove: a bottom center drill is connected with a screw hole and a sliding ring groove;
production of eccentric cone
S21, breaking and enlarging materials: taking a wire rod, and automatically discharging a large material through internal scissors and external scissors of a bolt forming machine;
s22, cutting small materials: taking a wire rod, and automatically feeding three groups of small materials through internal scissors and external scissors of a bolt forming machine;
s23, welding: three groups of small materials are welded and fixed at the center of the top end of the large material;
s24, eccentric large taper machining: processing the eccentric large taper of the eccentric cone by a numerical control lathe;
s25, thread rolling: thread twisting is carried out on the small material side wall in the middle;
third, fastener assembly
S31, assembling threads: and connecting the eccentric cone and the correcting bolt by screw threads.
Furthermore, the correcting bolt is formed by SCM435 wire.
Furthermore, the straightening bolt adopts the blanking length deviation of the wire rod within the range of zero point and one millimeter.
Furthermore, the wire used by the eccentric cone is SCM435 wire.
According to the device provided by the technical scheme, the eccentric cone and the paint scraping groove are arranged, the correcting bolt rotates in the installation process and utilizes the eccentric large taper of the tail end eccentric cone to automatically correct the dislocation of the workpiece hole, meanwhile, the paint scraping groove is utilized to treat accumulated paint or rust in the workpiece hole, the correction is carried out in the fastening process, the correction and the correction are carried out synchronously, and the problems that when two sets of workpieces are fastened by the conventional fastener, two sets of receivers need to be aligned in advance, the fastening connection is carried out by utilizing the fastener, and meanwhile, the connection between the fastener and the workpiece is inconvenient due to the fact that the condition of accumulated paint or rust exists in the surface treatment hole of the workpiece are solved; the processing technology of the correcting bolt and the eccentric cone in the device provided by the technical scheme of the invention is simple, easy to operate and convenient to popularize.
Drawings
FIG. 1 is a schematic view of a hand piece according to the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the pre-corrective structure of the present invention;
FIG. 4 is a schematic view of the corrected structure of the present invention;
FIG. 5 is a schematic view of the structure of the leveling bolt of the present invention;
FIG. 6 is a schematic view of the eccentric cone structure of the present invention;
FIG. 7 is a schematic view of the processing of the present invention.
Labeled as: the pair of hand pieces A1, the pair of hand pieces B2, the aligning hole 3, the matching hole 4, the correcting bolt 5, the eccentric cone 6, the paint scraping groove 7, the connecting screw rod 8, the auxiliary connecting rod 9, the connecting screw hole 10 and the sliding ring groove 11.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A fastener with a correction function comprises a counterpart A1, a counterpart B2 and a correction bolt 5, wherein a registration hole 3 is formed in the counterpart A1, a matching hole 4 is formed in the registration B2, the matching hole 4 is matched with the registration hole 3, the diameters of the two are the same, the correction bolt 5 is in threaded fit with the matching hole 4 and a positioning hole 3, an eccentric cone 6 is arranged at the tail end of the correction bolt 5, the length of the eccentric cone 6 is larger than the sum of the thickness of the counterpart A1 and the thickness of the counterpart B2, the diameter of the tail end of the eccentric cone 6 is equal to one third of the maximum diameter of the eccentric cone 6, the maximum diameter of the eccentric cone 6 is equal to the diameter of the correction bolt 5, paint scraping grooves 7 are formed in the threaded part of the correction bolt 5, the paint scraping grooves 7 are two groups and are symmetrically arranged at the end part of the threaded part of the correction bolt 5, a connecting screw 8 is fixed in the center of the top end, the center of the bottom end of the correcting bolt 5 is provided with a connecting screw hole 10 matched with the connecting screw rod 8 and a sliding ring groove 11 matched with the auxiliary connecting rod 9, the direction of the screw fastening of the connecting screw rod 8 and the connecting screw hole 10 is the same as the direction of the screw fastening of the correcting bolt 5, the matching hole 4 and the positioning hole 3, the two groups of auxiliary connecting rods 9 are symmetrically arranged by taking the connecting screw rod 7 as a symmetric object, the top ends of the auxiliary connecting rods 9 and the sliding ring groove 11 are in magnetic matching, and the depth of the sliding ring groove 11 is equal to the height of the auxiliary connecting rods.
A processing technology of a fastener with a correction function comprises the following steps:
production of correcting bolt
S11, cutting: taking a wire rod, and automatically feeding the wire rod through inner scissors and outer scissors of a bolt forming machine;
s12, shaping and pre-upsetting: shaping the head of the raw material, pre-upsetting the raw material, and upsetting the raw material to a mushroom head shape;
s13, pier stud: a head pier cylindrical head;
s14, binding a hexagonal thread rolling diameter: the head part is hexagonal, and the rod part is twisted with the tooth diameter;
s15, flange forming and paint scraping groove bundling: forming a head hexagon and a flange, and binding a rod part with a paint scraping groove;
s16, forming a connecting screw hole and a slip ring groove: a bottom center drill is connected with a screw hole and a sliding ring groove;
production of eccentric cone
S21, breaking and enlarging materials: taking a wire rod, and automatically discharging a large material through internal scissors and external scissors of a bolt forming machine;
s22, cutting small materials: taking a wire rod, and automatically feeding three groups of small materials through internal scissors and external scissors of a bolt forming machine;
s23, welding: three groups of small materials are welded and fixed at the center of the top end of the large material;
s24, eccentric large taper machining: processing the eccentric large taper of the eccentric cone by a numerical control lathe;
s25, thread rolling: thread twisting is carried out on the small material side wall in the middle;
third, fastener assembly
S31, assembling threads: and connecting the eccentric cone and the correcting bolt by screw threads.
Wherein, the correction bolt 5 adopts the wire rod to be the SCM435 wire rod, and correction bolt 5 adopts the unloading length deviation of wire rod to be in one millimeter at zero point within range, and eccentric awl 6 adopts the wire rod to be the SCM435 wire rod.
When the device is used, firstly, the correcting bolt 5 is processed, the wire is taken to be automatically fed through inner scissors and outer scissors of a bolt forming machine, the correcting bolt 5 adopts the SCM435 wire, the correcting bolt 5 adopts the wire with the feeding length deviation within the range of zero point one millimeter, the raw material is subjected to head shaping pre-upsetting, the raw material is subjected to heading to a mushroom head shape, a head heading cylinder head, a head bundle hexagon, a rod bundle tooth rubbing diameter, the head hexagon and a flange are formed, the rod bundle paint scraping groove 7 is formed, a bottom center drill is connected with a screw hole 10 and a sliding ring groove 11, then, the eccentric cone 6 is processed, the wire is taken to be automatically fed through the inner scissors and the outer scissors of the bolt forming machine, three groups of small materials are automatically fed through the inner scissors and the outer scissors of the wire forming machine, the eccentric cone 6 adopts the SCM435 wire, the three groups of small materials are welded and fixed at the center of the large taper of the eccentric cone, the small material side wall in the middle is rubbed with hands and threaded, a connecting screw rod 8 is formed, finally, the eccentric cone 6 and the correcting bolt 5 are connected, under the threaded matching of the connecting screw rod 8 and a connecting screw hole 10, the eccentric cone 6 of a rotating disc is installed at the bottom end of the correcting bolt 5, an auxiliary connecting rod 9 is matched with a sliding ring groove 11 to be connected, after the device is assembled, the correcting bolt 5 with the eccentric cone 6 is placed into an aligning hole 3, the correcting bolt 5 is matched with the aligning hole 3 and a matching hole 4 through threads, the eccentric cone 6 is rotationally driven to move downwards, the correcting bolt 5 automatically corrects the dislocation of a hand piece hole by utilizing the eccentric large taper of the eccentric cone 6 at the tail end in the rotating motion process in the installation process, meanwhile, the accumulated paint or rusty paint in the hand piece hole is treated by utilizing a paint scraping groove 7 until the hand piece hole and the hand hole are completely fastened, and finally.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention by using the above disclosure, and the technical solution of the present invention is covered by the claims.
Claims (10)
1. The utility model provides a from taking correction function fastener, includes opponent part A (1), opponent part B (2), jack bolt (5), its characterized in that: be provided with counterpoint hole (3) on counterpoint piece A (1), be provided with mating holes (4) on counterpoint piece B (2), correction bolt (5) tail end is provided with eccentric awl (6), correction bolt (5) screw thread department has been seted up and has been scraped lacquer groove (7), eccentric awl (6) top center is fixed with connecting screw (8), eccentric awl (6) top center both sides are provided with two sets of auxiliary connecting rod (9), correction bolt (5) bottom center seted up with connecting screw (8) complex connect screw (10) and with auxiliary connecting rod (9) complex sliding ring groove (11).
2. The fastener of claim 1, wherein: the matching hole (4) is matched with the aligning hole (3) and the diameter of the matching hole and the aligning hole is the same, and the correcting bolt (5) is in threaded fit with the matching hole (4) and the positioning hole (3).
3. The fastener of claim 1, wherein: the paint scraping grooves (7) are two groups and are symmetrically arranged at the end parts of the threads of the correcting bolts (5).
4. The fastener of claim 1, wherein: the length of the eccentric cone (6) is larger than the sum of the thickness of the counter element A (1) and the thickness of the counter element B (2), the diameter of the tail end of the eccentric cone (6) is equal to one third of the maximum diameter of the eccentric cone, and the maximum diameter of the eccentric cone (6) is equal to the diameter of the correcting bolt (5).
5. The fastener of claim 1, wherein: the direction of the threaded fastening of the connecting screw rod (8) and the connecting screw hole (10) is the same as the direction of the threaded fastening of the correcting bolt (5), the matching hole (4) and the positioning hole (3).
6. The fastener of claim 1, wherein: two sets of auxiliary connecting rod (9) are used connecting screw (7) to set up as symmetrical thing symmetry, auxiliary connecting rod (9) top and sliding ring groove (11) top magnetic cooperation, the degree of depth of sliding ring groove (11) equals the height of auxiliary connecting rod (9).
7. The process for manufacturing a fastener with a correction function according to any one of claims 1 to 6, wherein: the method comprises the following steps:
production of correcting bolt
S11, cutting: taking a wire rod, and automatically feeding the wire rod through inner scissors and outer scissors of a bolt forming machine;
s12, shaping and pre-upsetting: shaping the head of the raw material, pre-upsetting the raw material, and upsetting the raw material to a mushroom head shape;
s13, pier stud: the head is provided with a pier cylindrical head, and the outer diameter of the cylindrical head is pier-to-three-station hexagonal diagonal size;
s14, binding a hexagonal thread rolling diameter: the head part is hexagonal, and the rod part is twisted with the tooth diameter;
s15, flange forming and paint scraping groove bundling: forming a head hexagon and a flange, and binding a rod part with a paint scraping groove;
s16, forming a connecting screw hole and a slip ring groove: a bottom center drill is connected with a screw hole and a sliding ring groove;
production of eccentric cone
S21, breaking and enlarging materials: taking a wire rod, and automatically discharging a large material through internal scissors and external scissors of a bolt forming machine;
s22, cutting small materials: taking a wire rod, and automatically feeding three groups of small materials through internal scissors and external scissors of a bolt forming machine;
s23, welding: three groups of small materials are welded and fixed at the center of the top end of the large material;
s24, eccentric large taper machining: processing the eccentric large taper of the eccentric cone by a numerical control lathe;
s25, thread rolling: thread twisting is carried out on the small material side wall in the middle;
third, fastener assembly
S31, assembling threads: and connecting the eccentric cone and the correcting bolt by screw threads.
8. The process for manufacturing a fastener with a correction function according to claim 7, wherein the process comprises the following steps: the correcting bolt (5) adopts a SCM435 wire as a wire.
9. The process for manufacturing a fastener with a correction function according to claim 8, wherein the process comprises the following steps: the straightening bolt (5) adopts the blanking length deviation of the wire rod within the range of one millimeter at zero.
10. The process for manufacturing a fastener with a correction function according to claim 7, wherein the process comprises the following steps: the wire material adopted by the eccentric cone (6) is an SCM435 wire material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209184.2A CN113007190A (en) | 2021-02-24 | 2021-02-24 | Fastener with correction function and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209184.2A CN113007190A (en) | 2021-02-24 | 2021-02-24 | Fastener with correction function and machining process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007190A true CN113007190A (en) | 2021-06-22 |
Family
ID=76385736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110209184.2A Pending CN113007190A (en) | 2021-02-24 | 2021-02-24 | Fastener with correction function and machining process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007190A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419667A (en) * | 1993-08-19 | 1995-05-30 | Ring Screw Works | Anti-cross thread fastener with cleaning tip |
| US6468013B1 (en) * | 2000-01-24 | 2002-10-22 | Koninklijke Nedschoref Holding N.V. | Bolt apparatus for calculating threaded bolt tension and method of manufacture |
| CN205533656U (en) * | 2016-01-27 | 2016-08-31 | 北京汽车股份有限公司 | From eccentric direction awl bolt of centering and automobile |
| KR20190004894A (en) * | 2017-07-05 | 2019-01-15 | 주식회사 경민 | Eccentric bolt and the manufacturing molding |
| CN208417182U (en) * | 2018-05-11 | 2019-01-22 | 天津宏达顺五金制品有限公司 | A kind of stainless steel screw |
| CN109488676A (en) * | 2018-12-28 | 2019-03-19 | 大乘汽车有限公司 | A kind of automobile clamping screw |
| CN210565643U (en) * | 2019-09-23 | 2020-05-19 | 宁波长华长盛汽车零部件有限公司 | Tail end eccentric threaded bolt |
| CN212202812U (en) * | 2020-04-30 | 2020-12-22 | 温州市强邦实业有限公司 | Injection molding anti-loosening screw |
-
2021
- 2021-02-24 CN CN202110209184.2A patent/CN113007190A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419667A (en) * | 1993-08-19 | 1995-05-30 | Ring Screw Works | Anti-cross thread fastener with cleaning tip |
| US5618236A (en) * | 1993-08-19 | 1997-04-08 | Ring Screw Works | Anti-cross thread fastener with cleaning tip |
| US6468013B1 (en) * | 2000-01-24 | 2002-10-22 | Koninklijke Nedschoref Holding N.V. | Bolt apparatus for calculating threaded bolt tension and method of manufacture |
| CN205533656U (en) * | 2016-01-27 | 2016-08-31 | 北京汽车股份有限公司 | From eccentric direction awl bolt of centering and automobile |
| KR20190004894A (en) * | 2017-07-05 | 2019-01-15 | 주식회사 경민 | Eccentric bolt and the manufacturing molding |
| CN208417182U (en) * | 2018-05-11 | 2019-01-22 | 天津宏达顺五金制品有限公司 | A kind of stainless steel screw |
| CN109488676A (en) * | 2018-12-28 | 2019-03-19 | 大乘汽车有限公司 | A kind of automobile clamping screw |
| CN210565643U (en) * | 2019-09-23 | 2020-05-19 | 宁波长华长盛汽车零部件有限公司 | Tail end eccentric threaded bolt |
| CN212202812U (en) * | 2020-04-30 | 2020-12-22 | 温州市强邦实业有限公司 | Injection molding anti-loosening screw |
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Application publication date: 20210622 |
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