CN110185692B - Extrusion type slotting lock nut - Google Patents
Extrusion type slotting lock nut Download PDFInfo
- Publication number
- CN110185692B CN110185692B CN201910589576.9A CN201910589576A CN110185692B CN 110185692 B CN110185692 B CN 110185692B CN 201910589576 A CN201910589576 A CN 201910589576A CN 110185692 B CN110185692 B CN 110185692B
- Authority
- CN
- China
- Prior art keywords
- fixed teeth
- nut
- sleeve
- annular seat
- nut body
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 239000004677 Nylon Substances 0.000 claims description 22
- 229920001778 nylon Polymers 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
Abstract
The invention discloses an extrusion type slotting lock nut which comprises a nut body, an annular seat, a retaining mechanism, a sleeve body, a plurality of lower fixed teeth, a plurality of upper fixed teeth, a plurality of sliding grooves, a plurality of bulges and a plurality of connecting mechanisms, wherein the upper fixed teeth which are uniformly distributed are arranged on the outer peripheral surface of the upper end of the nut body, the sleeve body is sleeved on the nut body, the lower fixed teeth which are uniformly distributed are arranged on the outer peripheral surface of the lower end of the sleeve body, the bulges which are uniformly distributed are arranged on the inner peripheral surface of the sleeve body, the sliding grooves which are in one-to-one correspondence with the bulges and are matched with each other are arranged on the outer peripheral surface of the nut body, and the upper end of the sleeve body is fixedly connected with the nut body through the connecting mechanisms.
Description
[ field of technology ]
The invention relates to the technical field of nuts, in particular to the technical field of extrusion type slotted lock nuts.
[ background Art ]
The press riveting nut integrates the functions of a rivet and a nut, does not need to tap internal threads during assembly, does not need to weld the nut, is firmly, conveniently and quickly riveted, and is widely applied to assembly of various products. However, the clinch nut generally has only embossing teeth and does not have anti-loosening capability, and when jolt and vibration generated by movement are received, a screw or bolt screwed into the nut is loosened and falls off due to fit gaps of internal threads and external threads. Because the extrusion materials of the biting teeth biting plates are not much, the plates rotate, the locking force of the press rivet nut is reduced, and even the locking force is lost, so that the press rivet nut is loosened.
[ invention ]
The invention aims to solve the problems in the prior art, and provides an extrusion type slotted locking nut which can improve the locking force of the nut and has anti-loosening capability.
In order to achieve the above purpose, the invention provides an extrusion type slotted lock nut, which comprises a nut body, an annular seat, a retaining mechanism, a sleeve body, a plurality of lower fixed teeth, a plurality of upper fixed teeth, a plurality of sliding grooves, a plurality of bulges and a plurality of connecting mechanisms, wherein the upper fixed teeth which are uniformly distributed are arranged on the outer circumferential surface of the upper end of the nut body, the sleeve body is sleeved on the nut body, the lower fixed teeth which are uniformly distributed are arranged on the outer circumferential surface of the lower end of the sleeve body, the inner circumferential surface of the sleeve body is provided with the bulges which are uniformly distributed, the outer circumferential surface of the nut body is provided with the sliding grooves which are in one-to-one correspondence and are matched with the bulges, the upper end of the sleeve body is fixedly connected with the nut body through the connecting mechanisms, the lower end of the nut body is provided with the annular seat, the detachable retaining mechanism is arranged in the annular seat, the retaining mechanism comprises a nylon sleeve, a plurality of inserting grooves, a fixing sleeve and a retainer ring, the nylon sleeve is arranged on the outer circumferential surface of the nylon sleeve, the nylon sleeve is positioned in the annular seat, the lower end of the nylon sleeve is beyond the lower end of the annular seat, the annular seat is correspondingly provided with the inserting grooves which are in one-to-one correspondence with the annular seat, and the lower end is fixedly connected with the retainer sleeve.
Preferably, the lower fixed teeth and the upper fixed teeth are staggered.
Preferably, the outer diameter of the nylon sleeve is equal to the inner diameter of the annular seat.
Preferably, the connecting mechanism comprises an elastic arm and an anti-falling body arranged at the upper end of the elastic arm, and an annular groove matched with the anti-falling body is arranged on the outer peripheral surface of the nut body.
Preferably, the outer circumferential surface of the nut body is provided with a step portion located above the annular groove, and the diameter of the step portion is equal to the outer diameter of the sleeve body.
Preferably, the lower fixed teeth and the upper fixed teeth are triangular, and the inclined edges of the lower fixed teeth and the upper fixed teeth are respectively provided with a cutting edge.
The invention has the beneficial effects that: according to the invention, the upper fixing teeth are uniformly distributed on the outer peripheral surface of the upper end of the nut body, the sleeve body is sleeved on the nut body, the lower fixing teeth are uniformly distributed on the outer peripheral surface of the lower end of the sleeve body, the inner peripheral surface of the sleeve body is provided with the protrusions which are uniformly distributed, the outer peripheral surface of the nut body is provided with the sliding grooves which are in one-to-one correspondence with and matched with the protrusions, and the upper fixing teeth and the lower fixing teeth are pressed into the plate, so that the locking force is improved; the lower end of the nut body is provided with an annular seat, a detachable stopping mechanism is arranged in the annular seat, and the stopping mechanism can have anti-loosening capability; and the design of the backstop mechanism can not guarantee the anti-loosening reliability after being disassembled and assembled for many times, the nylon sleeve can be replaced, the anti-loosening reliability is guaranteed, and the use is convenient. Compared with the prior art, the locking force of the nut can be improved, and the locking capacity is achieved.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic view of an extrusion slotted lock nut of the present invention.
In the figure: 1-nut body, 2-annular seat, 3-retaining mechanism, 4-cover body, 5-lower fixed tooth, 6-upper fixed tooth, 7-spout, 8-arch, 9-coupling mechanism, 10-annular groove, 11-step portion, 12-grafting body, 31-nylon cover, 32-grafting groove, 33-fixed cover, 34-retaining ring, 91-elastic arm, 92-anticreep body.
[ detailed description ] of the invention
Referring to fig. 1, the invention relates to an extrusion type slotted lock nut, which comprises a nut body 1, an annular seat 2, a retaining mechanism 3, a sleeve body 4, a plurality of lower fixing teeth 5, a plurality of upper fixing teeth 6, a plurality of sliding grooves 7, a plurality of protrusions 8 and a plurality of connecting mechanisms 9, wherein the upper fixing teeth 6 which are uniformly distributed are arranged on the peripheral surface of the upper end of the nut body 1, the sleeve body 4 is sleeved on the nut body 1, the lower fixing teeth 5 which are uniformly distributed are arranged on the peripheral surface of the lower end of the sleeve body 4, the protrusions 8 which are uniformly distributed are arranged on the inner peripheral surface of the sleeve body 4, the peripheral surface of the nut body 1 is provided with sliding grooves 7 which are in one-to-one correspondence with and are matched with the protrusions 8, the upper end of the sleeve body 4 is fixedly connected with the nut body 1 through the connecting mechanisms 9, the lower end of the nut body 1 is provided with the annular seat 2, the detachable retaining mechanism 3 is arranged in the annular seat 2, the retaining mechanism 3 comprises a nylon sleeve 31, a plurality of inserting grooves 32, a fixing sleeve 33 and a retainer ring 34, wherein the inserting grooves 32 which are uniformly distributed are arranged on the outer ring surface of the nylon sleeve 31, the nylon sleeve 31 is positioned in an annular seat 2, the lower end of the nylon sleeve 31 exceeds the lower end of the annular seat 2, inserting bodies 12 which are matched with the inserting grooves 32 and correspond to each other one by one are arranged on the inner ring surface of the annular seat 2, a thread connecting sleeve of the fixing sleeve 33 is arranged on the annular seat 2, the retainer ring 34 is arranged at the lower end of the fixing sleeve 33 at the lower end of the nylon sleeve 31, the lower fixing teeth 5 and the upper fixing teeth 6 are distributed in a staggered manner, the outer diameter of the nylon sleeve 31 is equal to the inner diameter of the annular seat 2, the connecting mechanism 9 comprises an elastic arm 91 and an anti-falling body 92 arranged at the upper end of the elastic arm 91, an annular groove 10 matched with the anti-falling body 92 is arranged on the outer circumferential surface of the nut body 1, the outer peripheral surface of the nut body 1 is provided with a step part 11 positioned above the annular groove 10, the diameter of the step part 11 is equal to the outer diameter of the sleeve body 4, the lower fixed teeth 5 and the upper fixed teeth 6 are triangular, and cutting edges are formed on the inclined edges of the lower fixed teeth 5 and the upper fixed teeth 6.
The working process of the invention comprises the following steps:
in the working process of the extrusion type slotted lock nut, the lower fixed teeth 5 and the upper fixed teeth 6 are pressed into a plate in a pressurizing mode, the annular groove 10 and the anti-falling body 92 move towards each other in the pressing process, and after the pressing is completed, the anti-falling body 92 is just clamped into the annular groove 10, so that the nut body 1 is prevented from sliding axially.
When the nylon sleeve 31 needs to be replaced, the fixing sleeve 33 is removed, then the nylon sleeve 31 to be replaced is taken out of the annular seat 2, a new nylon sleeve 31 is put in, and then the fixing sleeve 33 is screwed down
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 (3)
1. An extrusion slotted lock nut, characterized in that: including nut body (1), annular seat (2), retaining mechanism (3), cover body (4), a plurality of fixed teeth (5), a plurality of fixed teeth (6) that go up, a plurality of spout (7), a plurality of arch (8) and a plurality of coupling mechanism (9), the upper end outer peripheral face of nut body (1) is equipped with evenly distributed's fixed teeth (6) that go up, cover body (4) cover is established on nut body (1), be equipped with evenly distributed's lower fixed teeth (5) on the lower extreme outer peripheral face of cover body (4), the inner peripheral face of cover body (4) is equipped with evenly distributed's arch (8), the outer peripheral face of nut body (1) be equipped with protruding (8) one-to-one and matched with spout (7), the upper end of cover body (4) is through coupling mechanism (9) and nut body (1) fixed connection, the lower extreme of nut body (1) is equipped with annular seat (2), be equipped with detachable retaining mechanism (3) in annular seat (2), retaining mechanism (3) include nylon cover (31), retaining ring (32) are located nylon (32) on the annular seat (31), the lower end of the nylon sleeve (31) exceeds the lower end of the annular seat (2), plug bodies (12) which are matched with the plug grooves (32) and correspond to each other one by one are arranged on the inner ring surface of the annular seat (2), a screw thread connecting sleeve of the fixing sleeve (33) is arranged on the annular seat (2), and a check ring (34) is arranged at the lower end of the nylon sleeve (31) at the lower end of the fixing sleeve (33); the connecting mechanism (9) comprises an elastic arm (91) and an anti-falling body (92) arranged on the upper end of the elastic arm (91), and an annular groove (10) matched with the anti-falling body (92) is formed in the outer peripheral surface of the nut body (1); the outer peripheral surface of the nut body (1) is provided with a step part (11) positioned above the annular groove (10), and the diameter of the step part (11) is equal to the outer diameter of the sleeve body (4); the lower fixed teeth (5) and the upper fixed teeth (6) are triangular, and cutting edges are formed on the inclined edges of the lower fixed teeth (5) and the upper fixed teeth (6).
2. An extruded slotted lock nut as claimed in claim 1, wherein: the lower fixed teeth (5) and the upper fixed teeth (6) are distributed in a staggered way.
3. An extruded slotted lock nut as claimed in claim 1, wherein: the outer diameter of the nylon sleeve (31) is equal to the inner diameter of the annular seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589576.9A CN110185692B (en) | 2019-07-02 | 2019-07-02 | Extrusion type slotting lock nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589576.9A CN110185692B (en) | 2019-07-02 | 2019-07-02 | Extrusion type slotting lock nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185692A CN110185692A (en) | 2019-08-30 |
| CN110185692B true CN110185692B (en) | 2023-12-19 |
Family
ID=67724603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910589576.9A Active CN110185692B (en) | 2019-07-02 | 2019-07-02 | Extrusion type slotting lock nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185692B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB679591A (en) * | 1950-11-23 | 1952-09-17 | Illinois Tool Works | Improvements relating to assembled nuts and lock washers |
| CN204900489U (en) * | 2015-06-29 | 2015-12-23 | 欧阳辰坤 | Press in nut |
| CN106545561A (en) * | 2017-01-12 | 2017-03-29 | 北京中昊创业交通科学应用技术研究发展中心 | A kind of Anti-loosen stop nut and Anti-loosen stop nut assembly |
| CN106958580A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of stop nut |
| JP3213541U (en) * | 2017-08-25 | 2017-11-16 | 大阪フォーミング株式会社 | Nut with nylon washer |
| CN207268255U (en) * | 2017-10-24 | 2018-04-24 | 山东九佳紧固件股份有限公司 | New self-clinching nut |
| CN108506317A (en) * | 2018-06-27 | 2018-09-07 | 浙江洪扬汽车零部件有限公司 | A kind of locking self-clinching nut |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN208907430U (en) * | 2018-08-09 | 2019-05-28 | 泉州市同兴五金制品有限公司 | A kind of nylon self-locking nut of replaceable nylon spacer |
| CN208919026U (en) * | 2018-08-09 | 2019-05-31 | 泉州市同兴五金制品有限公司 | A kind of nylon self-locking nut |
| CN208951079U (en) * | 2018-09-20 | 2019-06-07 | 海盐县华昇汽车配件有限公司 | A kind of nylon locking nut |
| CN210344001U (en) * | 2019-07-02 | 2020-04-17 | 海盐县华昇汽车配件有限公司 | Extrusion type slotted locking nut |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7674081B2 (en) * | 2006-09-19 | 2010-03-09 | Stafast Products, Inc. | Hopper fed tee-nut having counterbore with nylon lock |
-
2019
- 2019-07-02 CN CN201910589576.9A patent/CN110185692B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB679591A (en) * | 1950-11-23 | 1952-09-17 | Illinois Tool Works | Improvements relating to assembled nuts and lock washers |
| CN204900489U (en) * | 2015-06-29 | 2015-12-23 | 欧阳辰坤 | Press in nut |
| CN106545561A (en) * | 2017-01-12 | 2017-03-29 | 北京中昊创业交通科学应用技术研究发展中心 | A kind of Anti-loosen stop nut and Anti-loosen stop nut assembly |
| CN106958580A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of stop nut |
| JP3213541U (en) * | 2017-08-25 | 2017-11-16 | 大阪フォーミング株式会社 | Nut with nylon washer |
| CN207268255U (en) * | 2017-10-24 | 2018-04-24 | 山东九佳紧固件股份有限公司 | New self-clinching nut |
| CN108506317A (en) * | 2018-06-27 | 2018-09-07 | 浙江洪扬汽车零部件有限公司 | A kind of locking self-clinching nut |
| CN208907430U (en) * | 2018-08-09 | 2019-05-28 | 泉州市同兴五金制品有限公司 | A kind of nylon self-locking nut of replaceable nylon spacer |
| CN208919026U (en) * | 2018-08-09 | 2019-05-31 | 泉州市同兴五金制品有限公司 | A kind of nylon self-locking nut |
| CN208951079U (en) * | 2018-09-20 | 2019-06-07 | 海盐县华昇汽车配件有限公司 | A kind of nylon locking nut |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN210344001U (en) * | 2019-07-02 | 2020-04-17 | 海盐县华昇汽车配件有限公司 | Extrusion type slotted locking nut |
Non-Patent Citations (2)
| Title |
|---|
| 尼龙嵌件开槽自锁螺母的加工工艺探讨;陈方利;;中国高新区(第19期);全文 * |
| 螺纹防松与尼龙自锁螺母;李春宣;工程机械(第10期);29-31 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185692A (en) | 2019-08-30 |
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| 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 | ||
| CB02 | Change of applicant information |
Address after: No. 455 Zhongle West Road, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314300 Applicant after: Haiyan Huasheng Auto Parts Technology Co.,Ltd. Address before: 314300 Shuguang village, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: HAIYAN CHINA AUTO PARTS CO.,LTD. |
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| CB02 | Change of applicant information |