CN1287229A - Fastening screw and screw nut with two sections of thread - Google Patents
Fastening screw and screw nut with two sections of thread Download PDFInfo
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- CN1287229A CN1287229A CN 99119304 CN99119304A CN1287229A CN 1287229 A CN1287229 A CN 1287229A CN 99119304 CN99119304 CN 99119304 CN 99119304 A CN99119304 A CN 99119304A CN 1287229 A CN1287229 A CN 1287229A
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- nut
- thread section
- screw
- external thread
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Abstract
The fastening screw and screw nut has fastening and trimming functions and thus wide application and is labor saving. The present invention may be screw and screw nut with outer thread and one screwed outer screw nut with single thread section; screw or screw nut with additional positioning part on its outer thread section; or screw and screw nut with two sections of thread in different direction and different axes.
Description
The invention belongs to link, particularly a kind of locking screw and nut with two thread sections.
Traditional locking screw and nut, its thread structure is used as functions such as combination, packing, fine setting or measurements.Yet these known lockings only have single interior or external thread section usually with screw and nut, when it is used for fine setting or packing, only can obtain certain packing effect and fine setting degree relatively.
With in the driving screw, a kind of screw and nut with two shaft part screw threads is disclosed in the transmission of commonly using.Yet this link with screw thread of two shaft parts can only be applied to the screw thread transmission usually when practical application, when being applied to thread locking, finds to have following shortcoming:
1, the locking with two shaft part screw threads is lost with screw and nut easily with the more traditional locking of screw and nut;
2, the locking with two shaft part screw threads does not have specific considering with the thread pitch of two sections screw threads of screw and nut, makes it have the tendency that pine moves back in the vibration environment of resonant frequency;
3, the locking with two shaft part screw threads does not have specific considering with the hand of thread spiral of screw and nut, limits its application area.
The purpose of this invention is to provide a kind of laborsaving, as to have packing fine adjustment function, applied range locking screw and nut that screws togather with two thread sections.
The present invention a kind ofly has two and is internal and external screw thread section nut and the single start thread section periphery nut that screws togather with it for outside thread thread section screw and the peripheral nut of the single start thread section that screws togather with it or tool two;
Screw or nut are established the external thread section upper end in addition and are provided with the cap (or clasp or locking pin) that prevents that peripheral nut scatters and disappears to non-locking face direction, this cap (or clasp or locking pin) diameter is established the external thread section diameter for big in addition than this, make peripheral nut be locked on this external thread section and can not break away from, prevent the nut loss that gets loose to non-locking direction;
The Hand of spiral that the original thread section of screw and nut and other establish two thread sections of external thread section is respectively left and right spiral; Be the former internal thread segment of selected nut and establish external thread section Hand of spiral difference in addition; Or selected screw original thread section and establish external thread section Hand of spiral difference in addition;
External thread section two axle center that screw original thread section and other establish are the shape off-centre that is parallel to each other; The former internal thread segment of nut and other establish external thread section two axle center and are the shape off-centre that is parallel to each other;
Screw original thread section and other establish external thread section two axle center and are tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre.
Wherein:
Screw or nut are established external thread section upper end in addition and are provided with the cap (or clasp or locking pin) that the peripheral nut that prevents to be screwed togather scatters and disappears to non-locking direction, this cap (or clasp or locking pin) diameter is big than root thread section diameter, makes peripheral nut and screw establish external thread section in addition and combines and can not break away from fully; Making peripheral nut and nut establish external thread section in addition combines and can not break away from fully.
The Hand of spiral that screw original thread section and other establish two thread sections of external thread section is respectively left and right spiral; The Hand of spiral that the former internal thread segment of nut reaches two thread sections of establishing external thread section in addition is respectively left and right spiral.
The Hand of spiral that screw original thread section and other establish two thread sections of external thread section is respectively left and right spiral; The Hand of spiral that the former internal thread segment of nut reaches two thread sections of establishing external thread section in addition is respectively left and right spiral; Establish the external thread section top in addition in screw or nut and be provided with gear; The internal gear of diameter greater than screw and nut top gear diameter formed on peripheral nut inner thread top; The internal gear of peripheral nut is by the small gear of L-shaped working end of pulling or by the small gear that presets and screw or nut top gear engagement.
External thread section two axle center that screw original thread section and other establish are the shape off-centre that is parallel to each other; The former internal thread segment of nut and other establish external thread section two axle center and are the shape off-centre that is parallel to each other.
Screw original thread section and other establish external thread section two axle center and are tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre.
Screw original thread section and other establish external thread section two axle center and are tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre; The oblique angle packing ring of also can arranging in pairs or groups by this makes the screw of diaxon heart tortuous shape or nut can be applicable to various inclined-planes workpiece; The oblique angle pad also can two be used, and can adjust various angles to form.
Because the present invention a kind ofly has two and is outside thread thread section screw or nut and the single start thread section periphery nut that screws togather with it; Screw or nut are established the external thread section upper end in addition and are provided with locating piece; The Hand of spiral difference of screw or nut two thread sections, two axle center are the shape off-centre that is parallel to each other, two axle center are tortuous shape and not parallel shape off-centre.Be by being located at the bigger cap of screw or nut upper diameter, two thread section axle center that parellel off-centre, two thread sections are not parallel shape off-centre, two thread sections are the eccentric and two thread section hand of thread spiral differences of tortuous shape respectively, can not break away from by non-locking direction after making peripheral nut and other establish external thread section screwing togather and scatter and disappear, and the function of generation times power packing, not only screw togather laborsaving, have a packing fine adjustment function, and applied range, thereby reach purpose of the present invention.
Fig. 1, for broken section structural representation front view of the present invention (screw and peripheral nut).
Fig. 2, for broken section structural representation front view of the present invention (screw and peripheral nut, screw are provided with cap).
Fig. 3, for broken section structural representation front view of the present invention (nut and peripheral nut, nut are provided with cap).
Fig. 4, be decomposition texture schematic isometric of the present invention (nut and peripheral nut, in addition establish clasp).
Fig. 5, be decomposition texture schematic isometric of the present invention (nut and peripheral nut, in addition set up defences out of stock).
Fig. 6, for broken section structural representation front view of the present invention (screw two thread sections are different Hand of spiral).
Fig. 7, for decomposition texture broken section diagrammatic elevation view of the present invention (nut two thread sections are different Hand of spiral).
Fig. 8, for structural representation front view of the present invention (screw two thread section axle center are parellel off-centre).
Fig. 9, for structural representation front view of the present invention (screw two thread section axle center are the continuous broken line of tortuous shape).
Figure 10, for broken section structural representation front view of the present invention (nut two thread section axle center are parellel off-centre).
Figure 11, for broken section structural representation front view of the present invention (nut two thread section axle center are not parallel shape off-centre).
Figure 12, for oblique angle of the present invention gasket construction schematic isometric.
Figure 13, for the present invention's two oblique angle packing ring cooperating structure schematic isometric.
Figure 14, for structural representation sectional view of the present invention (peripheral nut and screw external thread section top are provided with gear).
Figure 15, for structural representation sectional view of the present invention (peripheral nut and nut external thread section top are provided with gear).
Figure 16, be among Figure 14, Figure 15 A, B to view.
Figure 17, be structural representation sectional view of the present invention (peripheral nut and nut external thread section top are provided with gear and at default small gear between the two).
Figure 18, for decomposition texture schematic isometric of the present invention (the polygonal shrinkage pool is established on screw external thread section top).
Figure 19, for decomposition texture schematic isometric of the present invention (coupling column is established on screw external thread section top).
Figure 20, for decomposition texture schematic isometric of the present invention (coupling column is established on nut external thread section top).
Figure 21, for decomposition texture schematic isometric of the present invention (cross groove is established on screw external thread section top).
Figure 22, for decomposition texture schematic isometric of the present invention (the in-line groove is established on screw external thread section top).
Figure 23, for decomposition texture schematic isometric of the present invention (star-shaped groove is established on screw external thread section top).
Below in conjunction with accompanying drawing the present invention is further elaborated.
As shown in Figure 1 and Figure 2, the present invention is the original thread section 11,21 of outside thread and internal thread except that what keep screw 1 and nut 2, establishes external thread section 12 in addition in addition on the original thread section 11 of screw 1.Periphery in nut 2 is established external thread section 22 in addition.The external thread section 22 that makes screw 1 establish external thread section 12 or nut 2 in addition by this can screw togather with peripheral nut 2 '.Screw togather by peripheral nut 2 ' and screw 1 or nut 2, reach packing, fine adjustment function.
As Fig. 2, shown in Figure 3, the present invention lies in and establishes external thread section 12,22 tops on screw 1 or the nut 2 in addition, and the next-door neighbour sets up defences in addition and ends the cap 13,23 that peripheral nut 2 ' disengaging is scattered and disappeared.Cap 13,23 diameters system is big than external thread section 12,22 diameters of screw 1 and nut 2.Can not break away from by non-locking direction after making peripheral nut 2 ' and screw 1 establish external thread section 12 in addition by this screwing togather and scatter and disappear, and the external thread section 22 of peripheral nut 2 ' and nut 2 also can not be broken away from by non-locking direction after screwing togather and scatters and disappears, to prevent the loss that gets loose of peripheral nut 2 '.
As Fig. 4, shown in Figure 5, cap 13,23 also can be replaced by clasp 17,27 or locking pin 18,28, to reach the effect of cap 13,23.
As shown in Figure 6, the original thread section 11 of screw 1 of the present invention can be different Hand of spiral with the Hand of spiral of external thread section 12 system, and promptly original thread section 11 is respectively a left side (right side) spiral and the right side (left side) screw with external thread section 12.When after screw 1 lock onto workpiece, more peripheral nut 2 ' being screwed, promptly produce the function of times power packing, and reach the effect that vibrationproof is taken off simultaneously.
As shown in Figure 7, the original thread section 21 for internal thread of nut 2 of the present invention also is to can be different Hand of spiral with the Hand of spiral of external thread section 22, and promptly original thread section 21 is respectively a left side (right side) spiral and the right side (left side) screw with external thread section 22.When screwing, promptly produce the function of times power packing, and reach the effect that vibrationproof is taken off simultaneously.
As shown in Figure 8, the original thread section 11 of screw 1 of the present invention is felt concerned about to being the eccentric axle center of parastate with the diaxon of external thread section 12.
As shown in Figure 9, the original thread section 11 of screw 1 of the present invention also can be the continuous broken line of tortuous shape with two axle center of external thread section 12.After original thread section 11 is locked the inclined-plane workpiece, can make peripheral nut 2 ' be locked on external thread section 12, and make the bottom surface of peripheral nut 2 ' be close to the inclined-plane of workpiece fully.So not only can make screw 1 be applied to have the workpiece on inclined-plane, can prevent that more screw 1 from getting loose.
As shown in figure 10, the original thread section 21 for internal thread of nut 2 of the present invention is felt concerned about to being the eccentric axle center of parastate with the diaxon of external thread section 22.
As shown in figure 11, the original thread section 21 for internal thread of nut 2 of the present invention is felt concerned about to being the eccentric axle center of not parallel state with the diaxon of external thread section 22.Make nut 2 can be applicable to have the workpiece on inclined-plane and prevent to get loose.
As shown in Figure 12 and Figure 13, the present invention's oblique angle packing ring 3 of can arranging in pairs or groups, make two axle center of original thread section 11,21 and external thread section 12,22 be the screw 1 of tortuous shape, the workpiece that nut 2 can be applicable to various inclined-planes, and can also be used by two oblique angle packing rings 3, to form the structure that to adjust various angles.
As shown in figure 14, the original thread section 11 of screw 1 of the present invention is different Hand of spiral with the Hand of spiral of external thread section 12; Be formed with a gear 14 and establish external thread section 12 tops in addition in screw 1.
As shown in figure 15, the original thread section 21 for internal thread of nut 2 of the present invention is different Hand of spiral with the Hand of spiral of external thread section 22; And be formed with gear 24 in external thread section 22 tops of nut 2.
As Figure 14, shown in Figure 15, the internal thread top of peripheral nut 2 ' then is formed with the internal gear 21 ' of diameter greater than gear 14,24 diameters of screw 1 and the formation of nut 2 external thread sections 12,22 tops.When the external thread section 12,22 of peripheral nut 2 ' and screw 1 or nut 2 screws togather, can use spanner 4 to drive synchronously and screw.Spanner 4 is L-shaped, and its working end is provided with small gear 41, and small gear 41 can mesh with peripheral nut 2 ' internal gear 21 ' and screw (nut) 1 (2) top gear 14 (24) simultaneously, constitutes slightly like planetary gear set shape structure.As shown in figure 16, during turn, revolution spanner 4 can make peripheral nut 2 ' produce mutual backward rotation with screw (nut) 1 (2), carries out the sealed or action of loosening of packing.Also can be as shown in figure 17, a default small gear 42 between peripheral nut 2 ' top internal gear 21 ' and screw (nut) 1 (2) top gear 14 (24) forms coupling part 421 in small gear 42 tops.During turn,, also can make peripheral nut 2 ' produce mutual backward rotation, carry out the sealed or action of loosening of packing with screw (nut) 1 (2) by coupling part 421 turn small gears 42.Especially when big machinery was used, its locking was more firm laborsaving.
Hence one can see that, and the present invention has the screw 1 of two thread sections or the embodiment that nut 2 can constitute number different structure kenel.That is all with same Hand of spiral, different Hand of spiral, in addition establish cap 13,23, do not establish cap 13,23, two thread sections 11 in addition, with 12,21 and 22 concentrics, two thread sections 11, all can reach packing and fine adjustment function with the screw 1 and the nut 2 in 12,21 and 22 different axle center, that is be all improvement design of the present invention, can be widely used in industrial field.
The present invention mainly ties up to improvement and is two thread sections 12,22 of screw 1 and nut 2 and the form of peripheral nut 2 ' combination, rotate coupling part as for screw 1 and nut 2, can be as shown in figure 18, lie in screw 1 and establish external thread section 12 center of top in addition and be arranged with polygonal shrinkage pool 15, hand tools can be coupled in the shrinkage pool 15 drive; Also can be convexly equipped with polygonal coupling column 16,26 in external thread section 12,22 tops of screw 1, nut 2, make hand tools be coupled in coupling column 16,26 and drive as Figure 19, shown in Figure 20; Also can establish external thread section 12 tops in addition in screw 1 and form cross recess as shown in figure 21; Also can establish external thread section 12 tops in addition in screw 1 and form a word groove as shown in figure 22; Also can establish external thread section 12 tops in addition in screw 1 and form star-shaped groove as shown in figure 23.Hand tools can be coupled in each groove to be driven.
Claims (7)
1, a kind of locking screw and nut with two thread sections is a kind ofly to have two and be internal and external screw thread section nut and the single start thread section periphery nut that screws togather with it for outside thread thread section screw and the peripheral nut of the single start thread section that screws togather with it or tool two; It is characterized in that it has following all or part of feature:
Screw or nut are established the external thread section upper end in addition and are provided with the cap (or clasp or locking pin) that prevents that peripheral nut scatters and disappears to non-locking face direction, this cap (or clasp or locking pin) diameter is established the external thread section diameter for big in addition than this, make peripheral nut be locked on this external thread section and can not break away from, prevent the nut loss that gets loose to non-locking direction;
The Hand of spiral that the original thread section of screw and nut and other establish two thread sections of external thread section is respectively left and right spiral; Be the former internal thread segment of selected nut and establish external thread section Hand of spiral difference in addition; Or selected screw original thread section and establish external thread section Hand of spiral difference in addition;
External thread section two axle center that screw original thread section and other establish are the shape off-centre that is parallel to each other; The former internal thread segment of nut and other establish external thread section two axle center and are the shape off-centre that is parallel to each other;
Screw original thread section and other establish external thread section two axle center and are tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre.
2, the locking screw and nut with two thread sections according to claim 1, it is characterized in that described screw or nut establish external thread section upper end in addition and be provided with the cap (or clasp or locking pin) that the peripheral nut that prevents to be screwed togather scatters and disappears to non-locking direction, this cap (or clasp or locking pin) diameter is big than root thread section diameter, makes peripheral nut and screw establish external thread section in addition and combines and can not break away from fully; Making peripheral nut and nut establish external thread section in addition combines and can not break away from fully.
3, the locking screw and nut with two thread sections according to claim 1 is characterized in that the Hand of spiral that described screw original thread section and other establish two thread sections of external thread section is respectively left and right spiral; The Hand of spiral that the former internal thread segment of nut reaches two thread sections of establishing external thread section in addition is respectively left and right spiral.
4, the locking screw and nut with two thread sections according to claim 1 is characterized in that the Hand of spiral that described screw original thread section and other establish two thread sections of external thread section is respectively left and right spiral; The Hand of spiral that the former internal thread segment of nut reaches two thread sections of establishing external thread section in addition is respectively left and right spiral; Establish the external thread section top in addition in screw or nut and be provided with gear; The internal gear of diameter greater than screw and nut top gear diameter formed on peripheral nut inner thread top; The internal gear of peripheral nut is by the small gear of L-shaped working end of pulling or by the small gear that presets and screw or nut top gear engagement.
5, the locking screw and nut with two thread sections according to claim 1 is characterized in that described screw original thread section and external thread section two axle center that other establishes are the shape off-centre that is parallel to each other; The former internal thread segment of nut and other establish external thread section two axle center and are the shape off-centre that is parallel to each other.
6, the locking screw and nut with two thread sections according to claim 1 is characterized in that described screw original thread section and other establish external thread section two axle center and be tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre.
7, the locking screw and nut with two thread sections according to claim 1 is characterized in that described screw original thread section and other establish external thread section two axle center and be tortuous shape; The former internal thread segment of nut and other establish the external thread section axle center and are not parallel shape off-centre; The oblique angle packing ring of also can arranging in pairs or groups by this makes the screw of diaxon heart tortuous shape or nut can be applicable to various inclined-planes workpiece; The oblique angle pad also can two be used, and can adjust various angles to form.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991193040A CN1161550C (en) | 1999-09-08 | 1999-09-08 | Fastening screw and screw nut with two sections of thread |
| JP30361699A JP4573931B2 (en) | 1999-09-08 | 1999-10-26 | Fastener |
| JP1999008172U JP3068531U (en) | 1999-09-08 | 1999-10-27 | Fastener |
| US09/440,269 US6196781B1 (en) | 1999-09-08 | 1999-11-15 | Screw fastener with multiple threaded portions |
| DE2000628480 DE60028480T2 (en) | 1999-09-08 | 2000-09-04 | Nut and screw arrangement |
| EP00307615A EP1083342B1 (en) | 1999-09-08 | 2000-09-04 | Nut/bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991193040A CN1161550C (en) | 1999-09-08 | 1999-09-08 | Fastening screw and screw nut with two sections of thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1287229A true CN1287229A (en) | 2001-03-14 |
| CN1161550C CN1161550C (en) | 2004-08-11 |
Family
ID=5280824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991193040A Expired - Fee Related CN1161550C (en) | 1999-09-08 | 1999-09-08 | Fastening screw and screw nut with two sections of thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1161550C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310117B (en) * | 2005-11-15 | 2012-10-10 | 哈恩两合公司 | Mounting screw for fastening hinge parts to hollow-chamber profiles |
| CN103128379A (en) * | 2011-12-01 | 2013-06-05 | 苏州工业园区协诚精密五金有限公司 | Preparation technology of screw with double-layer thread structure |
| CN105003519A (en) * | 2015-08-04 | 2015-10-28 | 申书达 | Detachable looseness-preventing bolt or screw assembly |
| CN105377164A (en) * | 2013-07-12 | 2016-03-02 | 多摩医疗有限公司 | Medical screw, and extraction jig for medical screw |
| CN107838863A (en) * | 2017-09-28 | 2018-03-27 | 中国航发动力股份有限公司 | Aero-engine blisk decomposer |
| CN108223541A (en) * | 2017-12-26 | 2018-06-29 | 中国航发四川燃气涡轮研究院 | A kind of eccentric self-locking plate nut |
| CN111425506A (en) * | 2020-05-21 | 2020-07-17 | 济南实达紧固件有限公司 | Step flange face bolt |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3604835A4 (en) * | 2017-03-24 | 2020-11-25 | NHK Spring Co., Ltd. | Fastening member |
-
1999
- 1999-09-08 CN CNB991193040A patent/CN1161550C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310117B (en) * | 2005-11-15 | 2012-10-10 | 哈恩两合公司 | Mounting screw for fastening hinge parts to hollow-chamber profiles |
| CN103128379A (en) * | 2011-12-01 | 2013-06-05 | 苏州工业园区协诚精密五金有限公司 | Preparation technology of screw with double-layer thread structure |
| CN105377164A (en) * | 2013-07-12 | 2016-03-02 | 多摩医疗有限公司 | Medical screw, and extraction jig for medical screw |
| CN105003519A (en) * | 2015-08-04 | 2015-10-28 | 申书达 | Detachable looseness-preventing bolt or screw assembly |
| CN107838863A (en) * | 2017-09-28 | 2018-03-27 | 中国航发动力股份有限公司 | Aero-engine blisk decomposer |
| CN108223541A (en) * | 2017-12-26 | 2018-06-29 | 中国航发四川燃气涡轮研究院 | A kind of eccentric self-locking plate nut |
| CN111425506A (en) * | 2020-05-21 | 2020-07-17 | 济南实达紧固件有限公司 | Step flange face bolt |
| CN111425506B (en) * | 2020-05-21 | 2024-04-16 | 济南实达紧固件股份有限公司 | Step flange face bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1161550C (en) | 2004-08-11 |
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