WO1998035163A1 - Ecrou auto-freine - Google Patents
Ecrou auto-freine Download PDFInfo
- Publication number
- WO1998035163A1 WO1998035163A1 PCT/IB1998/000168 IB9800168W WO9835163A1 WO 1998035163 A1 WO1998035163 A1 WO 1998035163A1 IB 9800168 W IB9800168 W IB 9800168W WO 9835163 A1 WO9835163 A1 WO 9835163A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nut
- under
- locking
- nut according
- ring
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 15
- 230000000295 complement effect Effects 0.000 claims description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- 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
- F16B39/36—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 with conical locking parts, which may be split, including use of separate rings co-operating therewith
Definitions
- the nut over the screw (referred to the locking effect) is equal to the starting
- the nut (figure nr. 1) is made up of two different parts: an external part
- the bush is characterised by the existence of an axial longitudinal cut aimed to allow the
- the shape of the nut, in two parts, allows the assembling with the two components made of different material in kind and with different physical,
- the solicitations on the self-locking nut are lower than the limits of resistance to stress of the materials by which it is made of. Such solicitations allows the system to interact in elastic field, stabilising the self-locking effect
- version nr. 1 collects figures nr. 1, 2, and 3, version nr. 2 collects
- Version nr. 2 locking nut with high tightening torque figure nr. 4 It is made up of two parts assembled together in a one-piece structure
- Part A) Elastic cone bush with nut screw function.
- Part B - Handling ring with bush housing.
- the bush with or without checking cavity for drag tooth is lodged and locked in a stable way in the cone-shaped housing in the handling ring.
- the size and the external shape (and therefore dimensions) of the ring are in compliance with unified systems for a standard employment
- the handling ring may come in shapes different from the hexagonal
- Nut with drag tooth locking load over thread according to tightening torque with maximum value assessed by the resistance to yield stress of the materials which constitute the nut.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Ce nouvel écrou auto-freiné possède les caractéristiques ci-après résumées et consistant: en un freinage à la fois radial et axial de la vis après achèvement du vissage, la charge de freinage étant variable sur le filetage et fonction de la pression de l'écrou sur la surface de support lors du processus de serrage, et l'écrou courant librement le long du filetage de la vis jusqu'à ce qu'il entre en contact avec la surface de support; en un ajustement sûr des profils géométriques du filetage de la vis et de l'écrou, avec un jeu de filet se situant dans la normale, sans tension axiale excessive de la vis, tous les filetages de la vis étant bloqués à la fois axialement et radialement, avec une charge croissante en fonction de l'avancement de la vis lors de l'étape de serrage; en une conception de deux types différents d'écrou effectuant les mêmes fonctions et permettant un couple faible et un couple fort de vissage (voir figures 1 et 2); en une spécificité de cet écrou destiné à un assemblage particulier et composé de structures différentes, notamment de matériaux à dureté moyenne comme des thermoplastiques et des thermo-résines, etc.; en une structure de l'écrou en deux pièces, permettant un assemblage avec différents matériaux, à la fois métalliques et non métalliques, ainsi qu'en une production de cet écrou dans tous les matériaux et également dans deux matériaux différents; en une forme et en une dimension permettant d'utiliser cet écrou avec d'autres écrous, ordinaires, avec une clé à vis et des clés à ergots, ainsi qu'avec des outils de travail ordinaires; en une possibilité d'utilisation de l'écrou auto-freiné avec tous les types de filetages de vis, et en une possibilité de transformer cet écrou en d'autres types d'écrous, comme des micro-écrous et ceux dont la forme diffère de la forme hexagonale habituelle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97BG000007A ITBG970007A1 (it) | 1997-02-11 | 1997-02-11 | Dado autobloccante a struttura differenziata in pezzo unico a due componenti con carico di bloccaggio variabile a mezzo di bussola |
| ITBG97AOOOOO7 | 1997-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998035163A1 true WO1998035163A1 (fr) | 1998-08-13 |
Family
ID=11336490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB1998/000168 WO1998035163A1 (fr) | 1997-02-11 | 1998-02-11 | Ecrou auto-freine |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITBG970007A1 (fr) |
| WO (1) | WO1998035163A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026356A2 (fr) * | 1999-02-08 | 2000-08-09 | Seva | Panneau formé d'une plaque en verre, muni d'au moins un dispositif d'assemblage à une structure voisine |
| RU2755105C1 (ru) * | 2021-02-04 | 2021-09-13 | Михаил Борисович Мельников | Крепежный элемент стопорного резьбового соединения и стопорное резьбовое соединение с его использованием |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2355285A (en) * | 1940-02-15 | 1944-08-08 | Ericsson Gustaf Lambert | Locking device for screw joints |
| US2388270A (en) * | 1944-10-03 | 1945-11-06 | Titelox Mfg Company | Lock nut unit |
| CH249693A (fr) * | 1946-02-27 | 1947-07-15 | Schmutz Andre | Ecrou de sûreté. |
| FR1010094A (fr) * | 1948-01-19 | 1952-06-06 | Securit S E D L C | écrou de sécurité en deux pièces |
| BE657946A (fr) * | 1964-06-10 | 1965-04-30 |
-
1997
- 1997-02-11 IT IT97BG000007A patent/ITBG970007A1/it unknown
-
1998
- 1998-02-11 WO PCT/IB1998/000168 patent/WO1998035163A1/fr active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2355285A (en) * | 1940-02-15 | 1944-08-08 | Ericsson Gustaf Lambert | Locking device for screw joints |
| US2388270A (en) * | 1944-10-03 | 1945-11-06 | Titelox Mfg Company | Lock nut unit |
| CH249693A (fr) * | 1946-02-27 | 1947-07-15 | Schmutz Andre | Ecrou de sûreté. |
| FR1010094A (fr) * | 1948-01-19 | 1952-06-06 | Securit S E D L C | écrou de sécurité en deux pièces |
| BE657946A (fr) * | 1964-06-10 | 1965-04-30 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1026356A2 (fr) * | 1999-02-08 | 2000-08-09 | Seva | Panneau formé d'une plaque en verre, muni d'au moins un dispositif d'assemblage à une structure voisine |
| FR2789416A1 (fr) * | 1999-02-08 | 2000-08-11 | Seva | Panneau forme a partir d'une plaque en verre, muni d'au moins un dispositif d'assemblage a une structure voisine |
| EP1026356A3 (fr) * | 1999-02-08 | 2001-08-01 | Seva | Panneau formé d'une plaque en verre, muni d'au moins un dispositif d'assemblage à une structure voisine |
| RU2755105C1 (ru) * | 2021-02-04 | 2021-09-13 | Михаил Борисович Мельников | Крепежный элемент стопорного резьбового соединения и стопорное резьбовое соединение с его использованием |
Also Published As
| Publication number | Publication date |
|---|---|
| ITBG970007A1 (it) | 1998-08-11 |
| ITBG970007A0 (it) | 1997-02-11 |
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