CN101893027A - Fastening member with internal threads and threaded fastening component - Google Patents
Fastening member with internal threads and threaded fastening component Download PDFInfo
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- CN101893027A CN101893027A CN2010101876787A CN201010187678A CN101893027A CN 101893027 A CN101893027 A CN 101893027A CN 2010101876787 A CN2010101876787 A CN 2010101876787A CN 201010187678 A CN201010187678 A CN 201010187678A CN 101893027 A CN101893027 A CN 101893027A
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- tooth side
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- 238000012360 testing method Methods 0.000 description 9
- 239000007799 cork Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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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
- 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
- F16B39/30—Locking exclusively by special shape of the screw-thread
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a fastening member with internal threads, which is matched with a fastening member with external threads through the internal and external threads and the flank angle of the leading flank of each external thread is equal to the flank angle of the following flank of the external thread; each internal thread comprises an inclined face intercrossed with the leading flank of the internal thread; and the flank angle of the leading flank of each internal thread is greater than the flank angle of the leading flank of each external thread. The invention also comprises a threaded fastening component. Within the limit of tolerance of the medium diameter and/or large diameter of the external threads, the fastening member with the internal threads and the threaded fastening component can allow the fastening member with the external threads to screw into the internal threads and be pressed on the inclined faces of the internal threads easily to realize the excellent self-locking function of the thread pairs.
Description
Technical field
The present invention relates to a kind of screw threads for fastening member, relate in particular to a kind of threaded fastener assembly that has the clamp structure of internal thread and comprise this clamp structure.
Background technique
The fundamental that is threaded is a screw thread.The equivalent coefficient of friction of V thread screw is bigger, and self-locking property is good, is mainly used in connection.Under metric system and U.S. standard screw thread standard, the tooth side angle of V thread screw is 30 degree; Under the inch screw thread standard, the tooth side angle of V thread screw is 27.5 degree.
The patent No. a kind of self-locking thread structure that has been 4171012 U.S. Patent Publication, also promptly executing must firm worm structure.As shown in Figure 1, this is executed must firm worm structure be internal thread 1, and every tooth internal thread 1 comprises guiding tooth side 5, follow tooth side 3 and in guiding tooth side 5 with follow the inclined-plane 4 that extends between the tooth side 3.Inclined-plane 4 is higher than inclined-plane 4 and the joint of following tooth side 3 with the joint of guiding tooth side 5, also is that inclined-plane 4 is compared with the joint of following tooth side 3 with inclined-plane 4 with the joint of guiding tooth side 5, further from the axis 6 of internal thread 1.Under metric system, made in U.S.A and inch screw thread standard, the angle between the axis 6 of inclined-plane 4 and internal thread 1 is all 15 degree～45 degree.
The original triangle of internal thread 1 is the triangle that meets metric system, made in U.S.A or inch screw thread standard.Also promptly under metric system and U.S. standard screw thread standard, the tooth side angle of the guiding tooth side 5 of internal thread 1 is 30 degree; Under the inch screw thread standard, the tooth side angle of the guiding tooth side 5 of internal thread 1 is 27.5 degree.
When the clamp structure with outside thread 2, for example when bigger than normal, tooth form is shown in the dotted line of Fig. 1 in tolerance range the middle footpath of bolt and/or big footpath.By the dotted line of Fig. 1 as can be known, the clamp structure (for example, bolt) with outside thread 2 can not be threaded in the clamp structure (for example, nut) with internal thread 1.
Summary of the invention
In view of this, technical problem to be solved by this invention provides a kind of clamp structure and threaded fastener assembly with internal thread, when externally threaded directly middle and/or big footpath is bigger than normal in tolerance range, can make and have externally threaded clamp structure and screw in like a cork, and externally threaded crest is resisted against on the inclined-plane of internal thread, to realize the good auto-lock function of screw pair.
For achieving the above object, the invention provides a kind of clamp structure with internal thread, cooperatively interact by described internal thread and described outside thread with having externally threaded clamp structure, the tooth side angle of the described externally threaded guiding tooth side of every tooth and described externally threaded tooth side angle of following the tooth side equate; The described internal thread of every tooth comprises and the crossing inclined-plane of the guiding tooth side of described internal thread; The tooth side angle of the guiding tooth side of described internal thread is greater than the tooth side angle of described externally threaded guiding tooth side.
Further, the described internal thread of every tooth can not have the tooth of following side, can comprise yet and follow the tooth side.Comprise under the situation of following the tooth side at described internal thread, described inclined-plane extends the guiding tooth side of described internal thread and following between the tooth side of described internal thread, described inclined-plane is compared with the joint of following the tooth side of described internal thread with described inclined-plane with the joint of the guiding tooth side of described internal thread, further from the axis of described internal thread.
Further, under metric system and U.S. standard screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 30 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 30 degree; Under the inch screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 27.5 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 27.5 degree.
Further, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree.
Preferably, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree more than or equal to 35 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree more than or equal to 30 degree.
Preferably, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42 degree more than or equal to 38 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 39.5 degree more than or equal to 35.5 degree.
Best, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 40 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 38 degree.
Further, the angle between the axis of described inclined-plane and described internal thread is 15 degree～45 degree.
Preferably, the tooth side angle of following the tooth side of described internal thread equals described externally threaded tooth side angle of following the tooth side.
Preferably, the tooth side angle of following the tooth side of described internal thread is greater than described externally threaded tooth side angle of following the tooth side.
Preferably, described clamp structure with internal thread is a nut.
The present invention also provides a kind of threaded fastener assembly, comprise first clamp structure and have externally threaded second clamp structure with internal thread, described first clamp structure and described second clamp structure cooperatively interact by described internal thread and described outside thread, and the tooth side angle of the described externally threaded guiding tooth side of every tooth and described externally threaded tooth side angle of following the tooth side equate; The described internal thread of every tooth comprises and the crossing inclined-plane of the guiding tooth side of described internal thread; The tooth side angle of the guiding tooth side of described internal thread is greater than the tooth side angle of described externally threaded guiding tooth side.
Preferably, described first clamp structure is a nut, and described second clamp structure is a bolt.
Further, the described outside thread of described second clamp structure is the V thread screw of standard.
Internal thread of the present invention is by increasing the tooth side angle of guiding tooth side, prevents in the outside thread that footpath and/or big footpath when bigger than normal, can't screw in internal thread in tolerance range.By increasing this tooth side angle, can increase the groove width of internal thread, make to have externally threaded screw threads for fastening member (for example bolt) and can screw in smoothly, and make on the inclined-plane at the bottom of externally threaded crest is resisted against the tooth of internal thread like a cork, thereby realize the good auto-lock function of screw pair.
Internal thread of the present invention is not required to be its specialized designs outside thread, can match with the triangle outside thread of general standard, to realize fixing to fastener.
Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.
Description of drawings
Fig. 1 is the generalized section that is threaded of the threaded fastener of prior art;
Fig. 2 is the generalized section that is threaded of the first embodiment of the present invention;
Fig. 3 is the generalized section that is threaded of the second embodiment of the present invention;
Fig. 4 is the generalized section that is threaded of the third embodiment of the present invention;
Fig. 5 is the generalized section that is threaded of the fourth embodiment of the present invention;
Fig. 6 is the generalized section that is threaded of the fifth embodiment of the present invention.
Embodiment
Clamp structure with internal thread of the present invention is an example with the nut, and having externally threaded clamp structure is example with the bolt that cooperates with this nut, and principle of the present invention and mode of execution thereof are described in detail.But the present invention is not limited to this, and the clamp structure with internal thread of the present invention can be the part (material of part is unrestricted) with internal thread of the present invention.This part with have the externally threaded shaft-like part of standard triangle (as screw, stud or client from workpieces etc.) and cooperate, be widely used in fields such as automobile, engineering machinery, railway, city rail, bridge, aviation.
In some embodiments of the present invention, with the outside thread of screw-internal thread fit be the standard V thread screw, the tooth side angle of externally threaded guiding tooth side equals to follow the tooth side angle of tooth side, meets existing metric system, made in U.S.A or inch screw thread standard.Under metric system or U.S. standard screw thread standard, the externally threaded guiding tooth of standard triangle side is 30 degree with the tooth side angle of following the tooth side; Under the inch screw thread standard, the externally threaded guiding tooth of standard triangle side is 27.5 degree with the tooth side angle of following the tooth side.
Fig. 2 is the generalized section that is threaded of the first embodiment of the present invention.As shown in Figure 2, internal thread 1 comprises guiding tooth side 5, follows tooth side 3 and in guiding tooth side 5 with follow the inclined-plane 4 that extends between the tooth side 3.Inclined-plane 4 is higher than inclined-plane 4 and the joint of following tooth side 3 with the joint of guiding tooth side 5, also be that inclined-plane 4 is compared with the joint of following tooth side 3 with inclined-plane 4 with the joint of guiding tooth side 5, perpendicular distance between the joint of inclined-plane 4 and guiding tooth side 5 and the axis 6 of internal thread 1 is bigger, also promptly further from the axis 6 of internal thread 1.Under metric system, made in U.S.A and inch screw thread standard, the angle between the axis 6 of inclined-plane 4 and internal thread 1 is 15 degree～45 degree.
When the middle footpath of outside thread 2 and/or big footpath are bigger than normal in tolerance range, if the tooth side angle of the guiding tooth side of internal thread 1 still is 30 degree (shown in Fig. 2 dotted line), then can not cooperatively interact at the bottom of the tooth of the crest of outside thread 2 and internal thread 1, the clamp structure that also promptly has an outside thread 2 (for example, bolt) can not be threaded in the clamp structure (for example, nut) with internal thread 1.
Increase the tooth side angle of guiding tooth side 5, can increase the groove width of internal thread 1, bolt with outside thread 2 is screwed in smoothly have the nut of internal thread 1, thereby make on the inclined-plane at the bottom of the crest of outside thread 2 is resisted against the tooth of internal thread 1 like a cork, can realize the good auto-lock function of screw pair.
In theory, increase the tooth side angle of guiding tooth side 5, under metric system and U.S. standard screw thread standard, the tooth side angle of the guiding tooth side 5 of internal thread 1 only needs greater than 30 degree; Under the inch screw thread standard, the tooth side angle of the guiding tooth side 5 of internal thread 1 only needs greater than 27.5 degree, and to the CLV ceiling limit value indefinite of the tooth side angle of guiding tooth side 5.
But the increase of the tooth side angle of guiding tooth side 5 can cause the weakening of the tooth form intensity of internal thread 1.Through guaranteeing the load test checking, under metric system and U.S. standard screw thread standard, the tooth side angle of guiding tooth side 5 is as spending greater than 45; Under the inch screw thread standard, the tooth side angle of guiding tooth side 5 is as greater than 42.5 degree, and nut can not be by guaranteeing load test.Therefore, under metric system and U.S. standard screw thread standard, the span of the tooth side angle of guiding tooth side 5 is greater than 30 degree, is less than or equal to 45 degree; Under the inch screw thread standard, the span of the tooth side angle of guiding tooth side 5 is greater than 27.5 degree, is less than or equal to 42.5 degree.Yet under existence conditions, nut generally is formed from steel.The present invention does not get rid of the new material that may research and develop in the future, the tooth side angle that can cause guiding tooth side 5 is greater than 45 degree (under metric system and U.S. standard screw thread standard) or 42.5 degree (under the inch screw thread standard), also can be by guaranteeing load test, the span of the tooth side angle of guiding tooth side 5 then can increase.
Preferably, under metric system and U.S. standard screw thread standard, the span of the tooth side angle of guiding tooth side 5 is more than or equal to 35 degree, is less than or equal to 45 degree; Under the inch screw thread standard, the span of the tooth side angle of guiding tooth side 5 is more than or equal to 30 degree, is less than or equal to 42.5 degree.
Under metric system and U.S. standard screw thread standard, the tooth side angle of guiding tooth side 5 is preferably more than or equals 38 degree, is less than or equal to 42 degree; Under the inch screw thread standard, the tooth side angle of guiding tooth side 5 is preferably more than or equals 35.5 degree, is less than or equal to 39.5 degree.
Further, under metric system and U.S. standard screw thread standard, tooth side angle the best of guiding tooth side 5 is 40 degree; Under the inch screw thread standard, tooth side angle the best of guiding tooth side 5 is 38 degree.
Through a series of tests the tooth side angle that increases guiding tooth side 5 is tested.At same specification (for example, M16 * 2) metric system standard triangle outside thread 2, making have a certain determine in the clamp structure of outside thread 2 of footpath, big footpath value, the middle footpath of this outside thread 2, big footpath in tolerance range near the tolerance upper limit (promptly footpath and greatly directly be worth bigger than normal).If when the clamp structure with outside thread 2 can't screw in the internal thread 1 of prior art (the tooth side angle of guiding tooth side 5 is 30 degree), increase the tooth side angle of the guiding tooth side 5 of internal thread 1.
When the tooth side angle that guides tooth side 5 equals a certain angle value α
MinThe time, the clamp structure with outside thread 2 can screw in smoothly, and the crest of outside thread 2 can be resisted against on the inclined-plane 4 of internal thread 1.(the tooth side angle of guiding tooth side 5 is α to clamp structure with internal thread 1
Min) make to guarantee load test, if by guaranteeing load test, continuation increases the tooth side angle of the guiding tooth side 5 of internal thread 1 again.Along with the increase of the tooth side angle that guides tooth side 5, outside thread 2 more can screw in internal thread 1 certainly smoothly, but the tooth form intensity of internal thread 1 is weakened gradually.When the tooth side angle of the guiding tooth side 5 of internal thread 1 greater than a certain angle value α
MaxThe time, (the tooth side angle of guiding tooth side 5 is greater than α to have the clamp structure of internal thread 1
Max) can not be by guaranteeing load test.
With above-mentioned test method the triangle outside thread 2 of different size is tested, when different values is got with big footpath in the middle footpath of outside thread 2 in tolerance range, can be obtained many group α
MinAnd α
Maxα
MinAnd α
MaxThe mean value great majority be arranged in 38 the degree～42 the degree scopes.
Under the inch screw thread standard, adopt above-mentioned test method, the α that obtains
MinAnd α
MaxThe mean value great majority be arranged in 35.5 the degree～39.5 the degree scopes.The thread tolerance grade of the outside thread 2 that cooperates with internal thread 1 of the present invention is generally the 6g level.In above-mentioned a series of tests, under metric system and U.S. standard screw thread standard, when the tooth side angle of the guiding tooth side 5 of internal thread 1 more than or equal to 38 degree, be less than or equal to 42 when spending, or under the inch screw thread standard, when the tooth side angle of the guiding tooth side 5 of internal thread 1 more than or equal to 35.5 degree, be less than or equal to 39.5 when spending, the clamp structure that not only has the grade of tolerance and be the outside thread 2 of 6g can screw in internal thread 1, the clamp structure that has the grade of tolerance and be the outside thread 2 of 6h (the middle footpath and the large diameter-ratio grade of tolerance are that the outside thread of 6g is big) also can screw in smoothly, and makes on the inclined-plane at the bottom of the crest of outside thread 2 is resisted against the tooth of internal thread 1.
Therefore, under metric system and U.S. standard screw thread standard, when the tooth side angle of the guiding tooth side 5 of internal thread 1 more than or equal to 38 degree, be less than or equal to 42 when spending, or under the inch screw thread standard, the tooth side angle of the guiding tooth side 5 of internal thread 1 is less than or equal to 39.5 when spending more than or equal to 35.5 degree, can make the standard triangle outside thread 2 of more grades of tolerance screw in internal threads 1 smoothly, and make on the inclined-plane at the bottom of the crest of outside thread 2 is resisted against the tooth of internal thread 1.And in above-mentioned preferred span, internal thread 1 still can satisfy the requirement of strength of screw threads for fastening member by guaranteeing load test.In above-mentioned preferred span, through verification experimental verification, under metric system and U.S. standard screw thread standard, the best angle of the tooth side angle of guiding tooth side 5 is 40 degree; Under the inch screw thread standard, the best angle of the tooth side angle of guiding tooth side 5 is 38 degree.
See also Fig. 3, Fig. 3 is the generalized section that is threaded of the second embodiment of the present invention.In the present embodiment, the big footpath of outside thread 2 is constant, and middle footpath increases.As shown in Figure 3, if the tooth side angle of the guiding tooth side of internal thread 1 still is 30 degree (shown in Fig. 3 dotted line 11), the middle footpath of outside thread 2 is in the tolerance range when less than normal (shown in Fig. 3 dotted line 10), clamp structure with outside thread 2 can screw in internal thread 1, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.But, if the big footpath of outside thread 2 is constant, and when in tolerance range, being a higher value, and the middle footpath of outside thread 2 constantly increases in tolerance range.When the middle footpath of outside thread 2 increases to certain value (shown in Fig. 3 solid line), the clamp structure with outside thread 2 can not screw in the internal thread 1 of prior art (shown in Fig. 3 dotted line 11).Therefore, must increase the tooth side angle of the guiding tooth side 5 of internal thread 1, the bigger outside thread 2 in footpath screws in smoothly in just making, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.
See also Fig. 4, Fig. 4 is the generalized section that is threaded of the third embodiment of the present invention.In the present embodiment, the middle footpath of outside thread 2 is constant, and big footpath increases.As shown in Figure 4, if the tooth side angle of the guiding tooth side of internal thread 1 still is 30 degree (shown in Fig. 4 dotted line 11), the big footpath of outside thread 2 is in the tolerance range when less than normal (shown in Fig. 4 dotted line 10), clamp structure with outside thread 2 can screw in internal thread 1, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.But, if the middle footpath of outside thread 2 is constant, and when in tolerance range, being a higher value, and the big footpath of outside thread 2 constantly increases in tolerance range.When the big footpath of outside thread 2 increases to certain value (shown in Fig. 4 solid line), the clamp structure with outside thread 2 can not screw in the internal thread 1 of prior art (shown in Fig. 4 dotted line 11).Therefore, must increase the tooth side angle of the guiding tooth side 5 of internal thread 1, the bigger outside thread in big footpath 2 is screwed in smoothly, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.
As another preferred embodiment of the present invention, under the middle footpath and big situation about directly increasing simultaneously of outside thread 2, obviously, the clamp structure with outside thread 2 can not screw in the internal thread 1 of prior art (the tooth side angle of the guiding tooth side of internal thread 1 is 30 degree).Therefore, must increase the tooth side angle of the guiding tooth side 5 of internal thread 1, the bigger outside thread 2 in footpath and big footpath screws in smoothly in just making, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.
Fig. 5 is the generalized section that is threaded of the fourth embodiment of the present invention.In the present embodiment, increase the tooth side angle and the tooth side angle of following tooth side 3 of the guiding tooth side 5 of internal thread 1 simultaneously.When the middle footpath of outside thread 2 and/or big footpath increase, the tooth side angle of guiding tooth side 5 increases simultaneously with the tooth side angle of following tooth side 3, obviously, the bigger outside thread 2 in footpath and/or big footpath screws in smoothly in more helping making, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.
Fig. 6 is the generalized section that is threaded of the fifth embodiment of the present invention.In the present embodiment, internal thread 1 comprises guiding tooth side 5, inclined-plane 4, but does not comprise and follow tooth side 3.
Present embodiment is the situation that is threaded at the internal thread of small dimension.Because the pitch of small dimension internal thread is less, its tooth form height is also less.In the middle footpath and/or tolerance range greatly directly of outside thread 2, as the crest that makes outside thread 2 all can be resisted against on the inclined-plane 4 of internal thread 1, inclined-plane 4 need be very low with the position of the point of intersection of following tooth side 3 that exists originally, and the length of also promptly following tooth side 3 is very little, can ignore.Therefore, in the present embodiment, internal thread 1 does not comprise follows tooth side 3, and inclined-plane 4 directly extends at the bottom of the tooth of internal thread 1.Under metric system, made in U.S.A and inch screw thread standard, the angle between the axis 6 of inclined-plane 4 and internal thread 1 is 15 degree～45 degree.
In the present embodiment, when the middle footpath of outside thread 2 and/or big footpath are bigger than normal in tolerance range, if the tooth side angle of the guiding tooth side of internal thread 1 still is 30 degree (shown in Fig. 6 dotted line), then can not cooperatively interact at the bottom of the tooth of the crest of outside thread 2 and internal thread 1, the clamp structure that also promptly has an outside thread 2 (for example, bolt) can not be threaded in the clamp structure (for example, nut) with internal thread 1.
Increase the tooth side angle of guiding tooth side 5, can increase the groove width of internal thread 1, bolt with outside thread 2 is screwed in smoothly have the nut of internal thread 1, thereby make on the inclined-plane at the bottom of the crest of outside thread 2 is resisted against the tooth of internal thread 1 like a cork, can realize the good auto-lock function of screw pair.
Above-mentioned big footpath is constant, and middle footpath increases; Middle footpath is constant, and big footpath increases; In the mode of execution that increases simultaneously of footpath, big footpath be applicable to that also the nothing of present embodiment follows the situation that is threaded of tooth side 3.When the middle footpath of outside thread 2 and/or big footpath increased, the tooth side angle of guiding tooth side 5 increased, and the bigger outside thread 2 in footpath and/or big footpath screws in smoothly in can making, and the crest of outside thread 2 is resisted against on the inclined-plane 4 of internal thread 1.
In addition, it is bigger than normal in tolerance range that the present invention is not limited to the middle footpath and/or the big footpath of outside thread 2, the mode of executions that the tooth side angle of the guiding tooth side 5 by increasing internal thread 1 screws in outside thread 2 smoothly.The present invention is applicable to that also the middle footpath of outside thread 2 and/or big footpath are constant, and the middle footpath of internal thread 1 and/or big footpath reduce, the mode of executions that the tooth side angle of the guiding tooth side 5 by increasing internal thread 1 screws in outside thread 2 smoothly.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that related domain need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all technician in the art all should be in claim protection domain of the present invention under this invention's idea on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment.
Claims (21)
1. the clamp structure with internal thread cooperatively interacts by described internal thread and described outside thread with having externally threaded clamp structure, and the tooth side angle of the described externally threaded guiding tooth side of every tooth and described externally threaded tooth side angle of following the tooth side equate;
The described internal thread of every tooth comprises and the crossing inclined-plane of the guiding tooth side of described internal thread;
It is characterized in that the tooth side angle of the guiding tooth side of described internal thread is greater than the tooth side angle of described externally threaded guiding tooth side.
2. the clamp structure with internal thread as claimed in claim 1, wherein, the described internal thread of every tooth also comprises follows the tooth side, described inclined-plane extends the guiding tooth side of described internal thread and following between the tooth side of described internal thread, described inclined-plane is compared with the joint of following the tooth side of described internal thread with described inclined-plane with the joint of the guiding tooth side of described internal thread, further from the axis of described internal thread.
3. the clamp structure with internal thread as claimed in claim 2, wherein, under metric system and U.S. standard screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 30 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 30 degree; Under the inch screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 27.5 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 27.5 degree.
4. the clamp structure with internal thread as claimed in claim 3, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree.
5. the clamp structure with internal thread as claimed in claim 4, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree more than or equal to 35 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree more than or equal to 30 degree.
6. the clamp structure with internal thread as claimed in claim 5, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42 degree more than or equal to 38 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 39.5 degree more than or equal to 35.5 degree.
7. the clamp structure with internal thread as claimed in claim 6, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 40 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 38 degree.
8. the clamp structure with internal thread as claimed in claim 1, wherein, the angle between the axis of described inclined-plane and described internal thread is 15 degree～45 degree.
9. the clamp structure with internal thread as claimed in claim 2, wherein, the tooth side angle of following the tooth side of described internal thread equals described externally threaded tooth side angle of following the tooth side.
10. the clamp structure with internal thread as claimed in claim 2, wherein, the tooth side angle of following the tooth side of described internal thread is greater than described externally threaded tooth side angle of following the tooth side.
11. the clamp structure with internal thread as claimed in claim 1, wherein, under metric system and U.S. standard screw thread standard, the tooth side angle of described externally threaded guiding side equals 30 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 30 degree; Under the inch screw thread standard, the tooth side angle of described externally threaded guiding side equals 27.5 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 27.5 degree.
12. the clamp structure with internal thread as claimed in claim 11, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree.
13. the clamp structure with internal thread as claimed in claim 12, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42 degree more than or equal to 38 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 39.5 degree more than or equal to 35.5 degree.
14. the clamp structure with internal thread as claimed in claim 13, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 40 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 38 degree.
15, the clamp structure with internal thread as claimed in claim 2, wherein, described clamp structure with internal thread is a nut.
16. a threaded fastener assembly comprises first clamp structure with internal thread and has externally threaded second clamp structure that described first clamp structure and described second clamp structure cooperatively interact by described internal thread and described outside thread,
The tooth side angle of the described externally threaded guiding tooth side of every tooth and described externally threaded tooth side angle of following the tooth side equate;
The described internal thread of every tooth comprises and the crossing inclined-plane of the guiding tooth side of described internal thread;
It is characterized in that the tooth side angle of the guiding tooth side of described internal thread is greater than the tooth side angle of described externally threaded guiding tooth side.
17. threaded fastener assembly as claimed in claim 16, wherein, the described internal thread of every tooth also comprises follows the tooth side, described inclined-plane extends the guiding tooth side of described internal thread and following between the tooth side of described internal thread, described inclined-plane is compared with the joint of following the tooth side of described internal thread with described inclined-plane with the joint of the guiding tooth side of described internal thread, further from the axis of described internal thread.
18. threaded fastener assembly as claimed in claim 17, wherein, under metric system and U.S. standard screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 30 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 30 degree; Under the inch screw thread standard, the tooth side angle of described externally threaded guiding tooth side equals 27.5 degree, and the tooth side angle of the guiding tooth side of described internal thread is greater than 27.5 degree.
19. threaded fastener assembly as claimed in claim 18, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 45 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42.5 degree.
20. the clamp structure with internal thread as claimed in claim 19, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 42 degree more than or equal to 38 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread is less than or equal to 39.5 degree more than or equal to 35.5 degree.
21. the clamp structure with internal thread as claimed in claim 20, wherein, under described metric system and described U.S. standard screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 40 degree; Under described inch screw thread standard, the tooth side angle of the guiding tooth side of described internal thread equals 38 degree.
22. threaded fastener assembly as claimed in claim 17, wherein, described first clamp structure is a nut, and described second clamp structure is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101876787A CN101893027A (en) | 2009-05-21 | 2010-05-17 | Fastening member with internal threads and threaded fastening component |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910051723.3 | 2009-05-21 | ||
| CN200910051723 | 2009-05-21 | ||
| CN2010101876787A CN101893027A (en) | 2009-05-21 | 2010-05-17 | Fastening member with internal threads and threaded fastening component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101893027A true CN101893027A (en) | 2010-11-24 |
Family
ID=43102326
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101876630A Pending CN101893030A (en) | 2009-05-21 | 2010-05-17 | Fastening component and fastening assembly with improved internal thread following flank structure |
| CN2010202111152U Expired - Lifetime CN201786863U (en) | 2009-05-21 | 2010-05-17 | Fastening element with improved internal thread following flank structure and fastening assembly |
| CN2010202111059U Expired - Lifetime CN201786901U (en) | 2009-05-21 | 2010-05-17 | Fastening component with internal threads and thread fastening component |
| CN2010101876787A Pending CN101893027A (en) | 2009-05-21 | 2010-05-17 | Fastening member with internal threads and threaded fastening component |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101876630A Pending CN101893030A (en) | 2009-05-21 | 2010-05-17 | Fastening component and fastening assembly with improved internal thread following flank structure |
| CN2010202111152U Expired - Lifetime CN201786863U (en) | 2009-05-21 | 2010-05-17 | Fastening element with improved internal thread following flank structure and fastening assembly |
| CN2010202111059U Expired - Lifetime CN201786901U (en) | 2009-05-21 | 2010-05-17 | Fastening component with internal threads and thread fastening component |
Country Status (2)
| Country | Link |
|---|---|
| CN (4) | CN101893030A (en) |
| WO (1) | WO2010133116A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072966A (en) * | 2016-04-29 | 2018-12-21 | 英法斯泰克知识产权私人有限公司 | Antivibration tooth form |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010133116A1 (en) * | 2009-05-21 | 2010-11-25 | 上海底特精密紧固件有限公司 | Fastening component with female threads and thread fastening assembly |
| CN102650314A (en) * | 2012-05-07 | 2012-08-29 | 吉林市翔达电动车厂 | Internally threaded check fastener |
| CN105485140B (en) * | 2016-01-18 | 2018-03-06 | 东莞市贯虹五金科技有限公司 | A kind of R types screw thread |
| CN105650094A (en) * | 2016-03-14 | 2016-06-08 | 北京首航科学技术开发有限公司 | Self-locking swivel nut and connecting assembly with self-locking swivel nut |
| CN107725563A (en) * | 2017-11-30 | 2018-02-23 | 广西大学行健文理学院 | It is applicable to the stop nut for being rigidly connected and being flexibly connected |
| CN108397463A (en) * | 2018-04-02 | 2018-08-14 | 北京理工大学 | Include the anti-loosening threaded pair and checknut part of confined planes |
| JP6684312B2 (en) * | 2018-06-19 | 2020-04-22 | 株式会社八幡ねじ | Loosening prevention male screw |
| CN113669342A (en) * | 2021-08-12 | 2021-11-19 | 西安交通大学 | Fastener bionic structure with anti-loosening performance |
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| CN201407270Y (en) * | 2009-05-21 | 2010-02-17 | 上海底特精密紧固件有限公司 | Anti-loosing inner thread part |
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- 2010-04-21 WO PCT/CN2010/071975 patent/WO2010133116A1/en active Application Filing
- 2010-05-17 CN CN2010101876630A patent/CN101893030A/en active Pending
- 2010-05-17 CN CN2010202111152U patent/CN201786863U/en not_active Expired - Lifetime
- 2010-05-17 CN CN2010202111059U patent/CN201786901U/en not_active Expired - Lifetime
- 2010-05-17 CN CN2010101876787A patent/CN101893027A/en active Pending
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| DE19712426C1 (en) * | 1997-03-25 | 1998-10-01 | Bosch Gmbh Robert | Screw connection |
| CN2921415Y (en) * | 2005-10-21 | 2007-07-11 | 上海底特精密紧固件有限公司 | Self-locking helix screw-thread fastening |
| JP2008208983A (en) * | 2007-02-23 | 2008-09-11 | World Lock:Kk | Slack preventing structure for screw with nut having inclined screw bottom portion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109072966A (en) * | 2016-04-29 | 2018-12-21 | 英法斯泰克知识产权私人有限公司 | Antivibration tooth form |
| CN109072966B (en) * | 2016-04-29 | 2020-08-18 | 英法斯泰克知识产权私人有限公司 | Anti-vibration tooth form |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101893030A (en) | 2010-11-24 |
| WO2010133116A1 (en) | 2010-11-25 |
| CN201786901U (en) | 2011-04-06 |
| CN201786863U (en) | 2011-04-06 |
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