WO2019192577A1 - 类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构 - Google Patents

类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构 Download PDF

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Publication number
WO2019192577A1
WO2019192577A1 PCT/CN2019/081402 CN2019081402W WO2019192577A1 WO 2019192577 A1 WO2019192577 A1 WO 2019192577A1 CN 2019081402 W CN2019081402 W CN 2019081402W WO 2019192577 A1 WO2019192577 A1 WO 2019192577A1
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Prior art keywords
thread
taper
tapered
bidirectional
spiral
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PCT/CN2019/081402
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English (en)
French (fr)
Inventor
游奕华
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游奕华
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Publication date
Application filed by 游奕华 filed Critical 游奕华
Publication of WO2019192577A1 publication Critical patent/WO2019192577A1/zh
Priority to US17/037,564 priority Critical patent/US20210010509A1/en

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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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/004—Sealing; Insulation
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • 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

Definitions

  • the invention belongs to the technical field of equipment, and in particular relates to a dumbbell-like asymmetric bidirectional taper thread external thread and a conventional thread connection structure (hereinafter referred to as "two-way taper external thread and conventional thread").
  • Thread is one of the most basic industrial technologies. She is not a specific product. It is a key common technology in the industry. Its technical performance must be embodied in specific products as an application carrier. It is widely used in various industries.
  • the existing thread technology has high standardization level, mature technical theory and long-term practical application. When it is fastened, it is tightened thread; when it is sealed, it is sealed thread; when it is used, it is driven thread.
  • the inclined surface refers to a smooth plane inclined to the horizontal plane, and the spiral is a "beveled” deformation.
  • the thread is like a slope wrapped around the outside of the cylinder. The smoother the slope is, the greater the mechanical advantage (see Figure 8 is Figure A).
  • the "bevel principle" of modern thread is a slope slider model based on the slope law (see Figure 9 or Figure B). It is believed that when the static load and temperature change are not large, when the thread elevation angle is less than or equal to the equivalent friction The angle and thread pair have self-locking conditions.
  • the angle of the thread (see Figure 10, Figure C) is also called the thread lead angle, which is the angle between the tangent of the helix on the medium-diameter cylinder and the plane perpendicular to the axis of the thread. This angle affects the self-locking and anti-loose of the thread. .
  • the equivalent friction angle is the corresponding friction angle when the different friction forms are finally converted into the most common beveled slider form.
  • the wedge-shaped thread has a wedge-shaped bevel at an angle of 25° to 30° to the axis of the thread at the bottom of the triangular thread (commonly known as a common thread), and the actual operation takes 30°. Wedge bevel. All along, people have studied and solved the problem of thread anti-looseness from the technical level and technical direction of the thread profile.
  • the wedge thread technology is no exception, which is the specific application of the wedge technology.
  • connection failure is not a simpler non-stationary room temperature environment, there is a linear load nonlinear load or even a superposition of the two and thus a more complex damage load situation, the application conditions are complex, based on this understanding
  • the object of the present invention is to provide a connection structure of a bidirectional tapered external thread and a conventional thread with reasonable design, simple structure, good connection performance and locking performance.
  • connection structure of the bidirectional tapered external thread and the conventional thread is used by the asymmetrical bidirectional taper thread external thread and the traditional thread internal thread.
  • the bidirectional taper thread external thread is a thread technology which combines the technical features of the bidirectional cone and the spiral structure.
  • the bidirectional cone is It consists of two single cones, which are composed of two single cones whose left side taper is opposite to the direction of the right side taper and different in taper.
  • the above two-way cone body is spirally distributed on the outer surface of the columnar parent body to form external thread.
  • the complete unit body thread is a kind of dumbbell-shaped asymmetric special bidirectional cone geometry which is spiral and has a small diameter at both ends including a left side taper larger than the right side taper and/or the left side taper is smaller than the right side taper.
  • the bidirectional tapered external thread and the traditional thread, the dumbbell-like asymmetric bidirectional tapered external thread includes two forms of a left taper greater than a right taper and a left taper less than a right taper, and the definition can be expressed as: On the outer surface of the cylinder or cone, an asymmetric bidirectional truncated cone having a defined left side taper and a right taper and a left side taper facing the right taper direction and having a different taper is continuously and/or discontinuously distributed along the helix
  • the auger and screw tail of the asymmetric bidirectional tapered thread may be an incomplete bidirectional tapered geometry due to manufacturing and other reasons. Different from the modern thread technology, the mutual thread matching has been transformed into the inner and outer thread cohesion relationship of the two-way taper thread by the meshing relationship between the internal and external threads of the modern thread.
  • the bidirectional taper external thread and the conventional thread include a bidirectional truncated cone body spirally distributed on the outer surface of the columnar parent body, that is, an external thread and an internal thread which are screwed with each other, and the internal thread is a spiral-shaped special tapered hole and
  • the "non-physical space" form exists the external thread is in the form of a spiral bidirectional truncated cone and exists in the form of "material entity", the non-physical space refers to a space environment capable of accommodating the above-mentioned material entity, and the internal thread is a containment member.
  • the external thread is the container: the special internal thread is formed by the special conical hole formed by the contact with the bidirectional taper external thread.
  • the section contains the bidirectional tapered external thread, that is, the bidirectional truncated cone.
  • the internal and external threads are One section of the two-way tapered geometry is screwed together and hung together until one side of the two-way bearing or the left side of the right side of the two-way bearing or until the sizing interference fit, whether the two sides of the two-way bearing at the same time is related to the actual working conditions of the application, ie
  • the special tapered hole section contains a bi-directional truncated cone body, that is, the internal thread is a section of the corresponding external thread.
  • the threaded connecting pair is formed by a spiral outer tapered surface and a spiral inner tapered surface forming a conical pair to form a thread pair
  • the outer tapered surface of the bidirectional tapered threaded outer cone is a bidirectional conical surface
  • the joint surface of the special internal thread special conical surface and the bidirectional tapered external thread outer conical surface is used as a supporting surface, that is, the conical surface is used as a supporting surface.
  • the ability of thread pair self-locking, self-positioning, reusability and fatigue resistance mainly depends on the bi-directional tapered external thread cone-shaped conical surface of the two-way tapered external thread and the traditional thread.
  • the taper size and the special threaded internal thread are formed by the special conical surface and taper formed by the contact with the bidirectional tapered external thread, which is a non-toothed thread.
  • the one-way force distributed on the inclined surface and the internal and external threads are different from the meshing relationship between the inner tooth and the outer tooth.
  • the two-way taper external thread is different from the traditional thread and the external thread is bidirectional.
  • the conical body is distributed on either side of the left side or the right side of the single cone.
  • the cross section of the conical axis is bidirectionally composed of two plain lines of the cone, which is a bidirectional state, and the plain line is a plane of the conical surface and a plane passing through the axis of the cone.
  • the intersection line, the conical principle of the connection structure of the two-way tapered external thread and the traditional thread is the axial force and the anti-axis force, both of which are synthesized by the two-way force, the axial force and the corresponding anti-axis force
  • the internal thread and the external thread are in a cohesive relationship, that is, the thread pair is held by the internal thread to hold the external thread, that is, a section of the tapered hole (inner cone) to converge the corresponding section cone (outer cone) until it is entangled
  • the sizing fit achieves self-positioning or until the sizing interference contact realizes self-locking, that is, the special conical hole and the truncated cone body are radially entangled to realize self-locking or self-positioning of the inner cone and the outer cone to realize the thread pair Self-locking Or self-positioning, instead of the traditional threaded internal thread and the external thread, the threaded connection pair is achieved by the mutual engagement of the tooth body and the tooth body
  • the outer cone constitutes a conical pair
  • the inner conical surface of the inner cone encloses the outer conical surface of the outer cone, and the inner conical surface is in close contact with the outer conical surface.
  • the inner conical axial force and the outer conical anti-axis force are the concepts of the force unique to the bi-directional taper thread technology of the present invention, that is, the conical pair technology.
  • the inner cone exists in a form similar to a bushing. Under the action of external loads, the inner cone generates an axial force directed or pressed against the axis of the cone.
  • the axial force is mirrored by a pair of axes centered on the axis of the cone.
  • the outer cone exists in a shape similar to the axis, and has a strong ability to absorb various external loads.
  • the outer cone generates a counter-axis force with respect to the top of each inner core of the inner cone, and the anti-axis force is A pair of reverse centripetal forces distributed in a mirror image centered on the axis of the cone and perpendicular to the two prime lines of the cone respectively, that is, the cross-axis force is transmitted through the conical axis as a mirror image bidirectionally distributed on the conical axis And the two opposite centripetal forces that are perpendicular to the two plain lines of the cone and are directed by the common point of the conical axis or pressed toward the inner conical surface, and when the above-mentioned cone and spiral structure are combined into a thread and applied to the thread pair,
  • the anti-axis force is perpendicular to the two sides of the thread axis and is perpendicular to the two axial lines of the cone and is common to the thread
  • the common point is directed to or consists of two opposing centripetal forces pressed against the conical surface of the internal thread, said counter-axis force being densely distributed in the axial and circumferential manner on the conical axis and/or a thread axis, the counter-axis force corresponding to a counter-axis force angle, and the angles of the two counter-heart forces constituting the counter-axis force constitute the above-mentioned anti-axis force angle, the anti-axis
  • the size of the heart angle depends on the taper size of the cone, ie the cone angle.
  • the axial force and the anti-axis force are generated when the inner and outer cones of the cone pair are in effective contact, that is, the effective contact between the inner cone and the outer cone of the cone pair always has a pair of corresponding and opposite axial and anti-axis
  • the heart force, the axial force and the anti-axis force are both a bidirectional force centered on the conical axis and/or the thread axis and mirrored bidirectionally, rather than a one-way force, the conical axis coincides with the thread axis
  • the axes are the same axis and/or approximately the same axis, the anti-axis force and the axial force are reverse collinear and when the above-mentioned cone and spiral structure are combined into a thread and the thread pair is reversed collinear and/or approximate
  • the reverse collinear line, through the cohesion of the inner cone and the outer cone until the interference, the axial force and the anti-axial force generate pressure and are evenly distributed axially and circumfer
  • the concentric motion of the inner cone and the outer cone continues until the conical pair reaches the pressure formed by the interference fit, and the inner cone and the outer cone are combined, that is, the above-mentioned pressure can achieve the inner cone hold
  • the outer cone forms a monolithic structure and does not arbitrarily change the direction of the body structure similar to the above-mentioned overall structure, and the inner and outer cones are separated from each other by gravity, and the conical pair is self-locking.
  • the thread pair is self-locking. This self-locking property also has a certain resistance to other external loads other than gravity which may cause the inner and outer cones to be separated from each other.
  • the cone pair also has an inner cone and an outer cone. Self-positioning, but not any axial force angle and/or anti-axis force angle can make the cone pair self-locking and self-positioning.
  • the conical pair When the axial force angle and/or the anti-axis force angle are less than 180° and greater than 127°, the conical pair has self-locking property, and the axial force angle and/or the anti-axis force angle are infinitely close to 180°, the conical pair
  • the self-locking property is the best, the axial load capacity is the weakest, the axial force angle and/or the anti-axis force angle are equal to and/or less than 127° and greater than 0°, then the cone pair is weak in self-locking and/or has no In the self-locking interval, the axial force angle and/or the anti-axis force angle tend to change in an infinitely close to 0° direction, and the self-locking property of the cone pair changes in the direction of the attenuation trend until it has no self-locking ability.
  • the bearing capacity changes in the direction of increasing trend until the axial bearing capacity is the strongest.
  • the cone pair When the axial force angle and/or the anti-axis force angle are less than 180° and greater than 127°, the cone pair is in a strong self-positioning state, and it is easy to achieve strong self-positioning of the inner and outer cones, the axial force angle and/or the anti-axis force angle.
  • the infinity is close to 180°, the inner and outer cones of the conical pair have the strongest self-positioning ability, and the axial force angle and/or the anti-axis force angle are equal to or less than 127° and greater than 0°, and the conical pair is in a weak self-positioning state.
  • the axial force angle and/or the anti-axis force angle tend to change in an infinitely close to 0° direction, and the self-positioning ability of the inner and outer cones of the cone pair changes in the direction of the attenuation trend until it is nearly completely free from self-positioning ability.
  • the two-way tapered threaded coupling pair has a non-reversible one-sided two-way containment and containment relationship of a single-sided load bearing on the one-sided side of the conical surface compared to the one-way tapered thread of the single-cone body previously invented by the applicant.
  • the reversibility of the tapered thread is bidirectionally contained on the left and right sides, so that the left side of the conical surface can be carried and/or the right side of the conical surface and/or the right conical surface of the left conical surface can be respectively carried and/or the right side of the conical surface
  • the conical surface is carried in both directions at the same time, which limits the disordered degree of freedom between the special conical hole and the truncated cone.
  • the spiral motion makes the bidirectional tapered external thread and the traditional threaded connection structure obtain the necessary degree of freedom, which is effectively synthesized.
  • the technical characteristics of the conical pair and the thread pair form a new thread technology.
  • the bidirectional tapered external thread and the conventional threaded connecting structure cooperate with each other when the bidirectional tapered threaded conical surface of the bidirectional taper threaded external thread cooperates with the special conical surface of the special internal thread.
  • the two-way taper external thread and the traditional thread, the bi-directional taper external thread, that is, the truncated cone body, can be self-locking and/or self-positioning of the threaded connection pair without any taper or any taper angle, and the outer cone must reach a certain taper. Or a certain taper angle, the bi-directional taper external thread and the conventional thread have self-locking and self-positioning.
  • the taper includes the left taper and the right taper of the externally threaded body, and the left taper corresponds to the left side.
  • the taper angle is the first taper angle ⁇ 1, the right taper corresponds to the right taper angle, that is, the second taper angle ⁇ 2, and when the left taper is greater than the right taper, preferably 0° ⁇ the first taper angle ⁇ 1 ⁇ 53°,
  • the first taper angle ⁇ 1 takes a value of 2° to 40°
  • the individual special field preferably, 53° ⁇ the first taper angle ⁇ 1 ⁇ 180°, preferably, the first taper angle ⁇ 1 is 53°. 90°; preferably, 0° ⁇ second cone angle ⁇ 2 ⁇ 53°, preferably, the second cone angle ⁇ 2 takes a value of 2° to 40°.
  • the first taper angle ⁇ 1 takes a value of 2° to 40°; preferably, 0° ⁇
  • the second cone angle ⁇ 2 ⁇ 53°, preferably, the second cone angle ⁇ 1 takes a value of 2° to 40°, and the specific special field, preferably, 53° ⁇ the second taper angle ⁇ 2 ⁇ 180°, preferably the second cone The angle ⁇ 2 is 53° to 90°.
  • the bidirectional tapered external thread and the traditional thread, the external thread is disposed on the outer surface of the columnar body, wherein the columnar body has a screw body, and the outer surface of the screw has a spirally distributed conical body
  • the truncated cone body comprises a bidirectional truncated cone body, and the columnar base body may be solid or hollow, including a cylinder and/or a non-cylindrical workpiece and an object that need to be threaded on an outer surface thereof, the outer surface including a cylindrical surface and External surface geometry such as a conical surface such as a non-cylindrical surface.
  • the bidirectional taper external thread and the conventional thread, the asymmetric bidirectional truncated cone body, that is, the external thread, is characterized by being composed of two truncated cone bodies having the same lower bottom surface and the same upper top surface but different cone heights.
  • the top surface is symmetrically and oppositely joined to each other in a spiral shape and the lower bottom surface is at both ends of the bidirectional truncated cone body and forms a dumbbell-like asymmetric bidirectional taper thread, respectively, including the lower bottom surface of the adjacent bidirectional truncated cone body Engaging and/or or respectively engaging a lower surface of an adjacent bidirectional truncated cone with a helically threaded thread, the external thread comprising a first helical conical surface of the truncated cone body and a second helical conical body of the truncated cone body
  • the face and outer helix, in the section passing through the axis of the thread, the complete single-section asymmetrical bi-directional taper external thread is a special bi-directional cone-shaped geometry with a dumbbell shape in the middle and a large end, the asymmetric bidirectional cone
  • the table body comprises a birefringent cone-shaped conical surface, and the left conical surface, that is,
  • the taper is distributed in the right direction, and the right conical surface, that is, the angle between the two spiral lines of the second spiral conical surface of the truncated cone body is the second taper angle ⁇ 2, and the second spiral conical surface of the truncated cone body forms the right taper.
  • the first taper angle ⁇ 1 is opposite to the taper direction corresponding to the second taper angle ⁇ 2
  • the plain line is the intersection of the surface of the cone and the plane passing through the axis of the cone, the bidirectional truncated cone
  • the first spiral conical surface of the truncated cone body and the second spiral conical surface of the truncated cone body form a shape having two lower angles which are identical to the central axis of the columnar parent body and have the same lower bottom edge but the upper bottom edge but different right angle sides
  • the right-angled side of the trapezoidal upper-bottom symmetry and the opposite-angled right-angled trapezoidal joint rotates circumferentially at a uniform speed in the circumferential direction of the center of rotation, and the right-angled trapezoidal joint simultaneously moves axially along the central axis of the columnar parent body by two oblique sides of the right-angled trapezoidal combined body.
  • the shape of the spiral outer side surface of the formed revolving body is the same, and the right-angled trapezoidal combined body means that the upper bottom sides of the two right-angled trapezoids having the same lower bottom edge and the same upper bottom side but different right-angled sides are symmetric and oppositely joined and The lower bottom edge is in a special geometry at the ends of the right angle trapezoidal combination.
  • the bidirectional tapered external thread has the unique technical characteristics and advantages of the conical body, that is, the conical body, and has the ability to strongly assimilate the different kinds of threads, that is, the traditional thread assimilation with which it can be matched
  • the threaded body has a substantial technical content, and the threaded body is changed from the original threaded body to a threaded body with a tapered thread, that is, a special tapered geometry of the nature and technical characteristics of the cone.
  • the special tapered geometry has radial energy.
  • the special conical surface matched with the spiral conical surface of the tapered thread, the above-mentioned conventional thread includes a triangular thread, a trapezoidal thread, a zigzag thread, a rectangular thread, a circular arc thread, etc., and can be screwed with the above-mentioned bidirectional taper thread to form a screw connection pair.
  • Other geometric shapes are threads, but are not limited to the above.
  • the conventional internal thread at this time is not a conventional thread in the original sense, but a special form of tapered thread that is assimilated by the tapered thread.
  • the contact portion with the bidirectional tapered external thread forms a special tapered hole of the conventional internal thread of the threaded coupling pair, and an inner surface matching the tapered spiral conical surface, that is, a special conical surface on the special conical hole.
  • the surface has a larger change in the direction of the contact surface, and substantially forms a special tapered hole which has the technical spirit of the present invention although the tapered geometric shape is incomplete.
  • the special tapered hole is a conventional internal thread edge. a threaded body formed by assimilation with a bidirectional tapered external thread, which is a special tapered geometry transformed from a conventional internal thread tooth, said special The tapered hole has an inner surface which is matched with the conical surface of the bidirectional truncated cone body, that is, a special conical surface, that is, the threaded connection pair is an outer conical surface which is a spiral outer tapered surface, that is, a bidirectional tapered external thread.
  • the special inner tapered surface of the spiral that is, the special internal thread is formed by the special conical surface formed by the contact with the bidirectional tapered external thread, and the special conical surface of the conical shape forms a thread pair, and the outer conical surface is the outer cone or the truncated cone body.
  • the outer tapered surface is a bidirectional conical surface.
  • the traditional thread after it is assimilated is a specialized traditional thread. It is a special form of tapered thread.
  • This special form of conical threaded inner conical surface is a special cone of traditional internal thread.
  • the surface first appears in the form of a line, and the inner tapered surface gradually increases as the number of conventional internal thread cusps and the bidirectional tapered external threaded cone body contact increases, that is, the special conical surface of the conventional internal thread is a microscopic surface. (on the macroscopic line) to the macroscopic surface is constantly changing, it is also possible to directly process the inner tapered surface matching the bidirectional tapered external thread directly at the cusp of the conventional internal thread, which is in line with the present invention. Technical spirit.
  • the bidirectional tapered external thread and the traditional thread wherein the internal thread is disposed on the inner surface of the cylindrical body to form a nut, wherein the cylindrical body has a nut body, and the inner surface of the nut has a spiral shape
  • a special tapered hole which is a special tapered hole formed by the contact of a conventional internal thread with a bidirectional tapered external thread, and a special conical surface having a special conical surface, the cylindrical shape
  • the precursor includes a cylindrical body and/or a non-cylindrical body and the like which are required to machine internal threads on the inner surface thereof, and the inner surface includes an inner surface geometry such as a cylindrical surface and a conical surface.
  • the relationship with the workpiece includes a rigid connection and a non-rigid connection.
  • the rigid connection means that the nut supporting surface and the workpiece supporting surface are mutually supporting surfaces, and includes a single nut and a double nut.
  • the non-rigid connection means that the opposite side end faces of the two nuts are mutually supporting surfaces and/or Or the gasket between the opposite side end faces of the two nuts is an indirect mutual support surface, and is mainly applied to non-rigid materials such as non-rigid materials or transmission parts or to application fields through double nut installation, etc.
  • a workpiece refers to a connected object including a workpiece
  • the spacer refers to a spacer including a spacer.
  • the bidirectional tapered external thread and the conventional thread adopt a bidirectional tapered threaded bolt and a conventional threaded double nut connection structure and are rigidly connected with the workpiece to be fastened, and the tapered threaded bearing surface is different when the cylindrical parent body is located
  • the left side of the workpiece is fastened, that is, the left end surface of the workpiece is fastened
  • the right side end surface of the cylindrical nut body that is, the left nut body is the locking bearing surface of the left nut body and the workpiece to be fastened
  • the columnar parent body is a bolt bidirectional taper.
  • the spiral conical surface on the left side of the thread is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional tapered external thread conical table body.
  • the first spiral conical surface is a tapered threaded bearing surface and the conventional internal thread special conical surface and
  • the first spiral conical surface of the truncated cone body is a supporting surface, and when the cylindrical main body is located on the right side of the workpiece to be fastened, that is, the right end surface of the workpiece to be fastened, the left side end surface of the cylindrical mother body, that is, the right nut body is the right side nut.
  • the cylindrical parent body that is, the bolt bidirectional taper thread
  • the right spiral conical surface is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional conical outer thread circle
  • the second spiral conical surface of the frustum body is a tapered threaded bearing surface and the special internal conical surface of the internal thread and the second spiral conical surface of the truncated cone body are mutually supporting surfaces.
  • the bidirectional tapered external thread and the conventional thread adopt a connection structure of a bidirectional tapered threaded bolt and a conventional threaded single nut and are rigidly connected with the workpiece to be fastened, when the bolt hex head is located on the left side, the cylindrical shape
  • the parent body, that is, the nut body, that is, the single nut is located on the right side of the workpiece to be fastened.
  • the right end surface of the workpiece and the left end surface of the nut body are the locking support surface of the nut body and the workpiece to be fastened, and the columnar matrix body That is, the spiral conical surface of the bolt bidirectional taper thread is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional tapered external thread conical table body.
  • the second spiral conical surface is a tapered threaded bearing surface and is conventionally
  • the special conical surface of the thread and the second spiral conical surface of the truncated cone body are mutually supporting surfaces; when the hexagonal head of the bolt is located on the right side, the cylindrical body, that is, the nut body, that is, the single nut is located on the left side of the workpiece to be fastened, the bolt
  • the left end surface of the workpiece and the right end surface of the nut body are the locking support surfaces of the nut body and the workpiece to be fastened
  • the columnar parent body is the bolted bidirectional tapered thread left side screw
  • the conical surface is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional conical external thread conical table body.
  • the first spiral conical surface is a tapered threaded bearing surface and the conventional internal thread special conical surface and the truncated cone body
  • a spiral conical surface is a bearing surface.
  • the bidirectional tapered external thread and the conventional thread adopt a bidirectional tapered threaded bolt and a conventional threaded double nut connection structure and are non-rigidly connected with the workpiece to be fastened, the tapered threaded bearing surface is different, and the cylindrical body includes the left side.
  • the nut body and the right nut body, the right end surface of the left nut body and the left end surface of the right nut body are in direct contact with each other and are locking bearing surfaces, and when the right end surface of the left nut body is the locking bearing surface, the columnar shape
  • the parent body is the bolted bidirectional tapered thread.
  • the left spiral conical surface is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional tapered external thread conical table.
  • the first spiral conical surface is a tapered threaded bearing surface and is conventional.
  • the special conical surface of the internal thread and the first spiral conical surface of the truncated cone body are the bearing surfaces.
  • the cylindrical parent body is the spiral conical surface of the bolt bidirectional taper thread.
  • the second spiral conical surface is a tapered threaded bearing surface and the conventional internal thread special conical surface and The second spiral conical surfaces of the truncated cone body are mutually supporting surfaces.
  • the bidirectional tapered external thread and the conventional thread adopt a bidirectional tapered threaded bolt and a conventional threaded double nut connection structure and are non-rigidly connected with the workpiece to be fastened, the tapered threaded bearing surface is different, and the cylindrical body includes the left side.
  • the nut body and the right nut body and the two cylindrical bodies, that is, the spacer between the left nut body and the right nut body, are spacers, and the right end surface of the left nut body and the left end surface of the right nut body are padded.
  • the indirect contact of the sheets and the indirect contact thereby indirectly interlocking the bearing surfaces, when the cylindrical body is located on the left side of the gasket, that is, the left side surface of the gasket, and the right end surface of the left nut body is the locking bearing surface of the left nut body
  • the cylindrical parent body that is, the bolt bidirectional taper thread
  • the left spiral conical surface is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional tapered external thread conical table body.
  • the first spiral conical surface is a tapered threaded bearing surface.
  • the special internal threaded special conical surface and the first spiral conical surface of the truncated cone body are mutually supporting surfaces, when the cylindrical parent body is located on the right side of the gasket, that is, the right side surface of the gasket, and the left end surface of the right nut body is the right side nut.
  • Body locking support When the columnar parent body is the bolt bidirectional taper thread, the right spiral conical surface is a tapered threaded bearing surface, that is, the conventional internal thread special conical surface and the bidirectional tapered external thread conical table body.
  • the second spiral conical surface is a tapered threaded support.
  • the special conical surface of the conventional internal thread and the second spiral conical surface of the truncated cone body are mutually supporting surfaces.
  • the above-mentioned cylindrical body which is located on the inner side, that is, the nut body adjacent to the workpiece to be fastened has been effectively combined with the cylindrical body, that is, the screw body, that is, the bolt, that is, the internal thread and the external thread which constitute the threaded connection pair are effectively engaged with each other.
  • the cylindrical body on the outer side, that is, the nut body not adjacent to the workpiece to be fastened can be left as it is and/or removed according to the application conditions, leaving only one nut (such as required for lightweight equipment or The double nut is not required to ensure the reliability of the connection technology.
  • the nut body to be removed is not used as a coupling nut but only as a mounting process nut.
  • the internal thread of the mounting process nut is not only a traditional thread, but also a triangular thread. Trapezoidal threads, zigzag threads, etc., but not limited to the above, can be used either, or a nut body made of bidirectional tapered threads and one-way tapered threads that can be screwed with bolts to ensure connection technology
  • the threaded connection pair is a closed loop fastening technology system, that is, the internal thread and the external thread of the threaded connection pair are realized.
  • the threaded coupling pair will be self-contained in an independent technical system without relying on the technical compensation of the third party to ensure the technical effectiveness of the connection technology system, even if no other object support includes between the threaded coupling pair and the workpiece being fastened
  • the clearance will not affect the effectiveness of the threaded connection pair, which will help to greatly reduce the weight of the equipment, remove the invalid load, improve the payload capacity of the equipment, braking performance, energy saving and other technical requirements, this is the two-way cone
  • the connection between the external thread and the conventional thread and the workpiece to be fastened are advantages of the thread technology which is unique to the non-rigid connection or the rigid connection and which is not available in other threading techniques.
  • the two-way taper external thread is connected with the conventional thread, and is connected by a special conical hole of a conventional internal thread and a bidirectional conical body, and is bidirectionally supported.
  • the bidirectional truncated cone body When the external thread and the internal thread form a thread pair, the bidirectional truncated cone body and There must be clearance between the special tapered holes of the traditional internal thread. If there is oil lubrication between the internal thread and the external thread, it will easily form the bearing oil film. The clearance is favorable for the formation of the oil film.
  • the transmission connection is equivalent to a set of sliding bearing pairs consisting of one pair and/or several pairs of sliding bearings, that is, each section of the conventional internal thread is bidirectionally contained corresponding to a bidirectional tapered external thread, forming a pair Sliding bearing, the number of sliding bearings is adjusted according to the application conditions, that is, the effective internal bidirectional engagement between the traditional internal thread and the bidirectional tapered external thread, that is, the effective two-way contact and the containment and the number of contained thread segments, according to the application conditions, through the traditional
  • the threaded special tapered hole is bidirectionally wrapped with a tapered externally threaded truncated cone and is positioned in multiple directions such as radial, axial, angular, circumferential, etc., preferably through a special cone
  • the shape hole accommodates the bidirectional truncated cone body and the radial and circumferential main positioning is supplemented by the axial and angular auxiliary positioning to form the inner and
  • the technical performance is achieved by the screw connection of the traditional female thread special tapered hole and the tapered external thread bidirectional circular body, that is, the truncated cone body.
  • the bearing is carried in one direction and/or the two directions at the same time, that is, the bidirectional truncated cone body and the traditional internal thread special conical hole are guided by the spiral, the traditional internal thread special conical hole inner cone Centering the outer and outer diameters of the outer taper with the taper external thread until the special taper of the special taper hole of the conventional internal thread and the first spiral conical surface of the truncated cone are engaged until the interference contact and/or the special taper of the special taper hole of the conventional internal thread
  • the bidirectional tapered external thread and the traditional threaded connection mechanism mechanical mechanism transmission precision efficiency, bearing capacity, self-locking locking force, anti-loose ability, sealing performance and other technical performance and truncated cone body The first spiral conical surface and the left taper formed thereof, that is, the corresponding first taper angle ⁇ 1 and the second spiral conical surface of the truncated cone body and the right taper formed thereof, that is, the size of the second taper angle ⁇ 2 corresponding thereto
  • the material friction coefficient, processing quality and application conditions of the columnar matrix and the cylindrical matrix also have a certain influence on the cone fit.
  • the right angle trapezoidal combination body is axially moved by a distance of the same direction and the upper bottom side is the same but the right side is different.
  • the length of the sum of the right-angled sides of the two right-angled trapezoids is at least one time.
  • the structure ensures that the first spiral conical surface of the truncated cone body and the second spiral conical surface of the truncated cone body have sufficient length, so as to ensure that the conical surface of the bidirectional truncated cone body is sufficient when it is matched with the special conical surface of the special internal thread special conical hole. Effective contact area and strength as well as the efficiency required for spiral motion.
  • the right angle trapezoidal combined body is axially moved by a distance equal to having the lower bottom edge and the upper bottom edge being the same but the right angle side is different.
  • the bidirectional tapered external thread and the conventional thread, the first spiral conical surface of the truncated cone body and the second spiral conical surface of the truncated cone body are continuous spiral surfaces or non-continuous spiral surfaces.
  • the bidirectional tapered external thread and the conventional thread, the special conical surface of the special conical hole is a continuous spiral surface or a non-continuous spiral surface.
  • one end and/or both ends of the columnar base body may be screwed into the screwing end of the cylindrical base connecting hole, through the conventional internal thread special cone
  • the surface is in contact with the first helical conical surface of the tapered externally threaded truncated cone and/or the interference fit and/or the conventional conical surface of the conventional internal thread is in contact with the second helical conical surface of the conical externally wound conical body / or interference fit to achieve threaded connection.
  • one end of the columnar parent body is provided with a head larger than the outer diameter of the columnar parent body and/or one end and/or both ends of the columnar matrix body are provided with less than a columnar shape.
  • the head of the mother screw body has a bidirectional tapered external thread small diameter, and the connecting hole is a threaded hole provided on the nut. That is, the columnar parent body is connected to the head as a bolt, and the head and/or the heads at both ends are smaller than the bidirectional taper external thread diameter and/or the studs having the bidirectional taper external threads at both ends of the thread without the thread.
  • the connecting hole is provided in the nut.
  • the connecting structure of the bidirectional taper external thread and the traditional thread has the advantages of reasonable design, simple structure, bidirectional bearing or sizing of the conical pair formed by centering the inner and outer cone coaxial inner and outer diameters.
  • easy to operate, large locking force, large bearing capacity, good anti-loose performance, high transmission efficiency and precision, good mechanical sealing effect, good stability can prevent connection Loose, self-locking and self-positioning.
  • FIG. 1 is a schematic view showing the connection structure of a dumbbell-like (left taper than the right taper) asymmetric bidirectional taper threaded bolt and a conventional threaded double nut according to the first embodiment of the present invention.
  • FIG. 2 is a schematic view showing the dumbbell-like (left taper to the right taper) asymmetric bidirectional taper thread external thread and its complete unit body thread structure according to the first embodiment of the present invention.
  • FIG. 3 is a schematic view showing the connection structure of a dumbbell-like (left taper than the right taper) asymmetric bidirectional taper threaded bolt and a conventional threaded double nut according to the second embodiment of the present invention.
  • FIG. 4 is a schematic view showing the connection structure of a dumbbell-like (left taper to the right taper) asymmetric bidirectional taper threaded bolt and a conventional threaded double nut according to the third embodiment of the present invention.
  • FIG. 5 is a schematic view showing the dumbbell-like (left taper to the right taper) asymmetric bidirectional taper thread external thread and its complete unit body thread structure according to the third embodiment of the present invention.
  • Figure 6 is a fourth embodiment of the present invention comprising a dumbbell-like (left taper to the right taper) asymmetric bidirectional taper thread and a dumbbell-like (left taper than the right taper) asymmetric bidirectional taper thread
  • a dumbbell-like left taper than the right taper
  • asymmetric bidirectional taper thread A schematic diagram of the connection structure of two types of dumbbell-shaped asymmetric bidirectional taper externally threaded bolts and a conventional internal threaded double nut.
  • Figure 7 is a cross-sectional structural form of a fourth embodiment of the present invention comprising a dumbbell-like shape (the left side taper is smaller than the right side taper) and the dumbbell-like type (the left side taper is larger than the right side taper).
  • Schematic diagram of the threaded structure of the complete unit body of the dumbbell-like asymmetric bidirectional taper threaded external thread.
  • Figure 8 is an illustration of "the thread of the prior art thread technology is a bevel on a cylindrical or conical surface" as referred to in the background of the present invention.
  • Fig. 9 is a diagram showing the "principal thread technology principle - the bevel slider model of the bevel principle" involved in the background art of the present invention.
  • Figure 10 is a graphical representation of "the threaded angle of the prior art threading technique" referred to in the background art of the present invention.
  • the tapered thread 1 the cylindrical body 2, the nut body 21, the nut body 22, the columnar base 3, the screw body 31, the special tapered hole 4, the special conical surface 42, the internal thread 6, the truncated cone 7, and the bidirectional
  • External thread 9 dumbbell-like 94, left taper 95, right taper 96, left-hand distribution 97, right-hand distribution 98, threaded pair and/or thread pair 10, play 101, locking bearing surface 111 Locking bearing surface 112, tapered threaded bearing surface 122, tapered threaded bearing surface 121, workpiece 130, polished rod 20, conical axis 01, threaded axis 02, slider A on the beveled body, beveled body B, gravity G, Gravity along the slope component G1, friction force F, thread angle Equivalent friction angle P, conventional external thread large diameter d, conventional external thread small diameter d1, traditional external thread diameter d2.
  • the embodiment adopts a connection structure of an asymmetric bidirectional tapered external thread 9 and a conventional internal thread 6, and the bidirectional tapered external thread and the conventional threaded coupling pair 10 are arranged in a spiral shape in a column shape.
  • the bidirectional truncated cone body 71 of the outer surface of the mother body 3 and the conventional internal thread 6 are formed in a special conical hole 4 formed in a spiral shape on the inner surface of the cylindrical base body 2, which is formed in contact with the bidirectional taper threaded external thread 9, that is, includes each other.
  • the special tapered hole 4 is present in the form of "non-physical space”
  • the external thread 9 is in the form of a spiral bidirectional truncated cone 71 and is in the form of "material entity”
  • the internal thread 6 and the external thread 9 are the containing part and the containing part
  • the relationship between the internal thread 6 and the external thread 9 is a one-piece screw-on sleeve to hold together until the interference fit, that is, the special internal thread 6 is formed by the special tapered hole formed by the contact with the bidirectional tapered external thread 9.
  • the bidirectional tapered external thread in the present embodiment and the conventional threaded coupling pair 10 cooperate with the special tapered hole 4 of the conventional internal thread 6 in the use of the special conical surface 42 of the conventional conical surface.
  • the asymmetrical bidirectional taper external thread in this embodiment has a certain taper with the truncated cone body 7 described in the conventional threaded coupling pair 10, that is, the cone reaches a certain taper angle, and the threaded connecting pair 10 has self-locking property and Self-alignment, the taper includes a left taper 95 and a right taper 96.
  • the asymmetric bi-directional taper thread 1 in this embodiment has a left taper 95 that is greater than a right taper 96.
  • the left taper 95 corresponds to the left taper angle, that is, the first taper angle ⁇ 1, preferably 0° ⁇ the first taper angle ⁇ 1 ⁇ 53°, preferably, the first taper angle ⁇ 1 takes a value of 2°-40°.
  • the first taper angle ⁇ 1 takes a value of 53° to 90°
  • the right taper 96 corresponds to the right taper angle, that is, the second taper angle ⁇ 2, preferably, 0° ⁇ the second taper angle ⁇ 2 ⁇ 53°, preferably, the second taper angle ⁇ 2 takes a value of 2° to 40°.
  • the internal thread 6 is disposed on the inner surface of the cylindrical body 2, wherein the cylindrical body 2 includes a nut body 21 and a nut body 22.
  • the nut body 21 and the nut body 22 are provided on the inner surface thereof.
  • the conventional internal thread 6, the conventional internal thread 6 refers to other geometrical threads including a triangular thread, a trapezoidal thread, a zigzag thread, etc., which can be screwed with the above-mentioned bidirectional tapered thread 1 to form a threaded connection pair 10, when the conventional internal thread 6 is
  • the bidirectional tapered external thread 9 cooperates to form the threaded coupling pair 10, and the conventional internal thread 6 at this time is not a conventional thread in the original sense, but a special form of the tapered thread 1 which is in contact with the bidirectional tapered external thread 9.
  • a special tapered hole 4 partially forming the conventional internal thread 6 of the threaded coupling pair 10, the special tapered hole 4 having a special conical surface 42, the special taper of the conventional internal thread 6 as the number of times of screwing is increased
  • the effective conical surface area of the special conical surface 42 on the hole 4 will continuously increase, that is, the special conical surface 42 will continuously increase and tend to have a larger contact surface change with the conical surface of the bidirectional tapered external thread 9 substantially forming a kind of Tapered geometry
  • the special conical surface 42 of the conventional internal thread 6 is continuously changed from the line to the surface, and can be directly processed and bidirectional in the cusp portion of the conventional internal thread 6.
  • the tapered outer thread 9 matches the inner tapered surface, which is in accordance with the technical spirit of the present invention, and the cylindrical body 2 includes a cylindrical body and/or a non-cylindrical body and the like which are required to machine internal threads on the inner surface thereof. object.
  • the external thread 9 is disposed on the outer surface of the columnar base 3, wherein the columnar body 3 has a screw body 31, and the outer surface of the screw body 31 has a spirally-shaped conical body 7 and a cone.
  • the table body 7 includes a bidirectional truncated cone body 71, which may be solid or hollow, and includes a workpiece, such as a cylinder, a cone, a tube body, and the like, which are required to process external threads on the outer surface thereof.
  • the dumbbell-shaped 94 asymmetric bidirectional truncated cone body 71 is characterized in that the upper top surface of the two truncated cone bodies having the same lower bottom surface and the same upper top surface but different cone heights are symmetric and oppositely joined.
  • the lower bottom surface is at both ends of the bidirectional truncated cone body 71 and the bidirectional tapered thread 1 is formed to be respectively engaged with the lower bottom surface of the adjacent bidirectional truncated cone body 71 and/or respectively and adjacent to the adjacent bidirectional truncated cone body
  • the lower bottom surface of the 71 is joined to each other, and the external thread 9 includes a truncated cone first spiral conical surface 721 and a truncated cone second spiral conical surface 722 and an outer spiral 8 in a section passing through the thread axis 02.
  • the complete single-section asymmetric bi-directional taper external thread 9 is a special bi-directional tapered geometry of the dumbbell-like shape 94 having a large outer end and a taper of the left tapered hole greater than the tapered taper of the right side, the asymmetry
  • the bidirectional truncated cone body 71 includes a bidirectional truncated cone conical surface 72, and the left conical surface, that is, the conical slab first spiral conical surface 721, the angle between the two plain lines is the first cone angle ⁇ 1, and the truncated cone body is first
  • the spiral conical surface 721 forms a left side taper 95 and is rightward Cloth 98
  • the right conical surface that is, the angle between the two spiral lines of the second spiral conical surface 722 of the truncated cone body is the second taper angle ⁇ 2
  • the second spiral conical surface 722 of the truncated cone body forms the right taper 96 and a leftward distribution 97, the first cone angle
  • the outer surface of the spiral formed by the two oblique sides of the combined body has the same shape, and the right-angled trapezoidal joint refers to the upper base symmetry of two right-angled trapezoids having the same lower bottom edge and the same upper bottom edge but different right-angled sides. And facing each other And the lower bottom edge is respectively at a special geometry at both ends of the right angle trapezoidal combination body.
  • an asymmetric bidirectional tapered external thread 9 bolt and a conventional internal thread 6 double nut connecting structure are adopted.
  • the nut body 21 and the nut body 22 are respectively located on the left and right sides of the workpiece 130 to be fastened, and the bolt and the double are respectively When the nut is in operation, the relationship with the workpiece 130 to be fastened is a rigid connection, and the rigid connection means that the nut end surface bearing surface and the workpiece 130 bearing surface are mutually supporting surfaces, including the locking bearing surface 111 and the locking bearing surface. 112.
  • the workpiece 130 is referred to as a connected object including the workpiece 130.
  • the threaded working support surface of the embodiment includes a tapered threaded bearing surface 121 and a tapered threaded bearing surface 122.
  • the cylindrical body 3, that is, the screw body 31, that is, the screw-shaped birefringent thread 1 on the left side of the spiral conical surface is a tapered threaded bearing surface 122, that is, the conventional internal thread 6 has a special conical surface 42 and a tapered external thread 9
  • the first spiral conical surface 721 of the truncated cone body is a tapered threaded bearing surface 122 and the special internal conical surface 42 of the conventional internal thread 6 and the first helical conical surface 721 of the truncated cone body are mutually supporting surfaces, when the workpiece 130 is fastened to the right.
  • the columnar body 3 that is, the screw body 31, that is, the screw bidirectional taper thread 1 and the right spiral conical surface is a taper thread.
  • the support surface 121 that is, the conventional internal thread 6 and the special conical surface 42 and the conical external thread 9 the conical base body
  • the second spiral conical surface 722 is a tapered threaded bearing surface 121 and the conventional internal thread 6 has a special conical surface 42 and a truncated cone body.
  • the two spiral conical surfaces 722 are mutually supporting surfaces.
  • the bidirectional taper external thread is connected with the conventional thread, and is connected by a special conical hole 4 and a bidirectional truncated cone 71 by a conventional internal thread 6, a bidirectional bearing, a bidirectional truncated cone 71 and a conventional internal thread 6 special cone
  • the play 101 is advantageous for bearing the formation of an oil film
  • the threaded connection 10 is equivalent to a set of sliding bearing pairs consisting of one or several pairs of sliding bearings, ie each section
  • the conventional internal thread 6 is bidirectionally accommodated with a pair of bidirectional tapered external threads 9 to form a pair of sliding bearings, and the number of sliding bearings is adjusted according to the application condition, that is, the effective internal thread 6 and the bidirectional tapered external thread 9 are effectively bidirectionally engaged.
  • the effective two-way contact and the containment and the number of the threaded segments are designed according to the application conditions.
  • the cone-shaped body 7 is bidirectionally accommodated through the special tapered hole 4 and positioned in multiple directions such as radial, axial, angular and circumferential directions to ensure the cone.
  • the thread technology is especially the connection precision, efficiency and reliability of the two-way taper external thread and the traditional thread drive.
  • the technical performance is achieved by the screw connection of the special internal thread 6 special taper hole 4 and the bidirectional truncated cone body 71, that is, the truncated cone body
  • a spiral conical surface 721 and a special conical hole 4 of the conventional internal thread 6 are sizing to a special conical surface 42 until the interference and/or the conical base second conical conical surface 722 and the conventional internal thread 6 special conical hole 4 special cone
  • the surface 42 is sized until the interference is achieved, and according to the application condition, the bearing is carried in one direction and/or the two directions are simultaneously carried respectively, that is, the bidirectional tapered external thread 9 and the conventional internal thread 6 have a special tapered hole.
  • the inner cone and the inner diameter of the outer cone are centered until the special internal thread 6 special taper hole 4 special conical surface 42 and the conical body first spiral conical surface 721 are engaged until the interference contact and/or the tradition
  • the internal thread 6 has a special conical hole 4 and the special conical surface 42 is engaged with the conical body second spiral conical surface 722 until the interference contact, thereby achieving technical properties such as mechanical mechanism connection, locking, anti-loose, load bearing, fatigue and sealing.
  • the bidirectional tapered external thread and the traditional threaded coupling 10 mechanical mechanism in the embodiment have the advantages of transmission precision, transmission efficiency, bearing capacity, self-locking locking force, anti-loose ability, and sealing performance.
  • Technical performance such as reusability and the first spiral conical surface 721 of the truncated cone body and the left taper 95 formed therein, that is, the corresponding first taper angle ⁇ 1 and the truncated cone second conical surface 722 and the formed
  • the right taper 96 is the size of the corresponding second taper angle ⁇ 2, and the conventional internal thread 6 is formed by the contact with the bidirectional tapered external thread 9 to form a special tapered hole 4 special conical surface 42 and Its taper is related.
  • the material friction coefficient, processing quality and application conditions of the columnar matrix 3 and the cylindrical matrix 2 also have a certain influence on the cone fit.
  • the two-way taper external thread and the conventional thread, the right-angled trapezoidal combination body rotates at a uniform speed, and the right-angled trapezoidal combined body moves axially at a distance of the same as the lower bottom edge and the upper bottom edge is the same but the right angle side is different. At least one time the sum of the right-angled sides of the right-angled trapezoids.
  • the structure ensures that the first spiral conical surface 721 of the truncated cone body and the second spiral conical surface 722 of the truncated cone body have sufficient length to ensure a special conical shape of the birefringent cone conical surface 72 and the conventional internal thread 6 special conical hole 4 When the face 42 is mated, it has sufficient effective contact area and strength and the efficiency required for the helical motion.
  • the two-way taper external thread and the conventional thread, the right-angled trapezoidal combination body rotates once at a uniform speed, and the distance of the right-angled trapezoidal combined body moves axially equal to two having the same lower bottom edge and the same upper bottom edge but different right-angled sides
  • the structure ensures that the first spiral conical surface 721 of the truncated cone body and the second spiral conical surface 722 of the truncated cone body have sufficient length to ensure a special conical shape of the birefringent cone conical surface 72 and the conventional internal thread 6 special conical hole 4
  • the face 42 has sufficient effective contact area and strength as well as the efficiency required for the helical motion.
  • the bidirectional tapered external thread and the conventional thread, the truncated cone first spiral conical surface 721 and the truncated cone second spiral conical surface 722 are both continuous spiral faces or non-continuous spiral faces.
  • the bidirectional tapered external thread and the conventional thread may have one end and/or both ends of the cylindrical base body 3 being screwed into the screwing end of the connecting hole of the cylindrical base body 2, and the connecting hole is a thread provided on the nut body 21. hole.
  • One end of the columnar base 3 is provided with a head having a size larger than the outer diameter of the columnar base 3 and/or one end and/or both ends of the columnar base 3 are provided with external threads 9 smaller than the cylindrical body 31 of the columnar body 3.
  • the head of the small diameter that is, the columnar body 3 here is connected to the head as a bolt, and the head and/or the heads at both ends are smaller than the external thread 9 and/or the threaded studs having external threads 9 at both ends of the thread are not studs. .
  • the two-way taper external thread and the conventional threaded connecting pair 10 have the advantages of reasonable design and simple structure, and the fastening and connecting functions are realized by the taper sizing formed by the inner and outer cones until the interference fit. Easy to operate, large locking force, large bearing capacity, good anti-loose performance, high transmission efficiency and precision, good mechanical sealing effect, good stability, can prevent loosening during connection, self-locking and self-positioning .
  • the structure, principle, and implementation steps of the present embodiment are similar to those of the first embodiment.
  • the difference is that the positional relationship between the double nut and the workpiece 130 to be fastened is different, and the double nut includes the nut body 21 and The nut body 22 and the bolt body have a hexagonal head portion larger than the screw body 31.
  • the relationship between the nut body 21 and the nut body 22 and the workpiece 130 to be fastened is a non-rigid connection, and the non-rigid connection means that the opposite side end faces of the two nuts, that is, the nut body 21 and the nut body 22 are mutually supporting surfaces.
  • the bearing surface includes a locking bearing surface 111 and a locking bearing surface 112, and is mainly applied to non-rigid materials or transmission members such as non-rigid connecting workpieces 130 or applications to be satisfied by double nut mounting.
  • the workpiece 130 is referred to as a connected object including the workpiece 130.
  • the threaded working support surface of the embodiment includes a tapered threaded bearing surface 121 and a tapered threaded bearing surface 122, including a nut body 21 and a nut body 22.
  • the end faces, that is, the locking bearing surfaces 112 are in direct contact with each other and are mutually locking bearing surfaces.
  • the columnar body 3 that is, the screw body 31, that is, the screw bidirectional taper thread 1 is spiraled to the left.
  • the conical surface is a tapered threaded bearing surface 122, that is, a conventional internal thread 6 special conical surface 42 and a conical external thread 9 conical body
  • first spiral conical surface 721 is a tapered threaded bearing surface 122 and a conventional internal thread 6 special cone
  • the surface 42 and the first spiral conical surface 721 of the truncated cone body are mutually supporting surfaces.
  • the cylindrical body 3 that is, the screw body 31, that is, the screw bidirectional taper thread 1 is spiraled to the right.
  • the conical surface is a tapered threaded bearing surface 121, that is, a conventional internal thread 6 and a special conical surface 42 and a conical external thread 9.
  • the conical base body has a second spiral conical surface 722 which is a tapered threaded bearing surface 121 and a conventional internal thread 6 special cone. Face 42 and conical body second spiral cone The faces 722 are mutually supporting faces.
  • the internal thread 6 and the external thread 9 are effectively entangled together, and the cylindrical body 2 located on the outer side, that is, the nut body 22 not adjacent to the workpiece 130 to be fastened, can be left as it is and/or removed according to the application conditions, leaving only one Nuts only (such as when the equipment is required to be lightweight or do not require double nuts to ensure the reliability of the connection technology), the removed nut body 22 is not used as a coupling nut but only as a mounting process nut, which is inside the mounting nut
  • the thread can also be a nut body 22 made of a bidirectional tapered thread 1 and a one-way tapered thread which can be screwed with a bolt to ensure the reliability of the connection technology.
  • the nut body 21 and the nut body 22 are both located on the left side of the workpiece 130 to be fastened, and the structure, principle and implementation steps thereof are similar to the embodiment.
  • the structure, the principle and the implementation steps of the embodiment are similar to those of the first embodiment.
  • the difference is that the asymmetric bidirectional tapered thread 1 in the embodiment has a left taper 95 smaller than the right side.
  • the taper 96 preferably 0° ⁇ the first taper angle ⁇ 1 ⁇ 53°, preferably, the first taper angle ⁇ 1 takes a value of 2° to 40°; preferably, 0° ⁇ the second taper angle ⁇ 2 ⁇ 53°,
  • the second taper angle ⁇ 2 takes a value of 2° to 40°
  • the individual special field preferably, 53° ⁇ the second taper angle ⁇ 2 ⁇ 180°, preferably, the second taper angle ⁇ 2 is 53°. 90°.
  • the structure, the principle, and the implementation steps of the embodiment are similar to those of the first embodiment and the third embodiment.
  • the difference is that the screw body 31 on the columnar base 3 in the embodiment includes two types.
  • the threaded structure of the dumbbell-shaped 94 asymmetric bidirectional taper thread 1 is the asymmetrical bidirectional taper thread 1 of the screw body 31, which comprises two taper structures with a left taper 95 smaller than the right taper 96 and a left taper 95 greater than the right taper 96.
  • dumbbell-like 94 asymmetrical bidirectional taper threaded external thread 9
  • the left side taper 95 is smaller than the right side taper 96.
  • the tapered external thread 9, that is, the threaded section of the external thread 9 and the cylindrical body 2 located on the left side of the workpiece 130, that is, the nut body 21, is a dumbbell-like 94 asymmetrical bidirectional external thread 9 and the left taper 95 is smaller than
  • the right taper 96, the threaded section of the screw body 31 located on the right side of the polished rod 20, that is, the non-threaded section, is an asymmetrical bi-directional tapered external thread 9 of a dumbbell-like shape 94 having a left taper 95 greater than the right taper 96, ie, the external thread 9 and
  • the cylindrical precursor 2 located on the right side of the workpiece 130 is a screw
  • Each mating threaded body 22 is threaded section 94 is dumbbell-shaped type bidirectional asymmetric tapered external threads 9 on the left side and right side taper 95 is greater than the taper 96.
  • the optical rod 20 including the screw body 31 of the above-described columnar base body 3, that is, the threaded section on the left side of the non-threaded section is a dumbbell-like shape, and the left side taper 95 is larger than the right side taper 96.
  • the threaded rod 9 and the polished rod 20 of the screw body 31, that is, the threaded section on the right side of the non-threaded section are an asymmetrical bidirectional tapered external thread 9 of a dumbbell-like shape 94 having a left side taper 95 smaller than the right taper 96, the structure, principle and implementation steps thereof. This embodiment is similar.
  • the above-mentioned screw body 31 adopts a mixed structure of a dumbbell-like 94 asymmetric bidirectional tapered external thread 9, depending on the application requirements.
  • taper thread 1 the cylindrical base body 2, the nut body 21, the nut body 22, the columnar base body 3, the screw body 31, the polished rod 20, the special tapered hole 4, the special conical surface 42, and the internal thread 6 are used more frequently herein.
  • a truncated cone body 7 a bidirectional truncated cone body 71, a bidirectional truncated cone conical surface 72, a truncated cone first spiral conical surface 721, a first cone angle ⁇ 1, a truncated cone second conical surface 722, and a second Taper angle ⁇ 2, outer helix 8, external thread 9, dumbbell-like 94, left taper 95, right taper 96, left-hand distribution 97, right-hand distribution 98, threaded pair and/or thread pair 10, clearance 101, self-locking force, self-locking, self-positioning, pressure, conical axis 01, thread axis 02, mirror image, bushing, shaft, single cone, double cone, cone, inner cone, taper, outer

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Abstract

一种类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构，解决了现有螺纹自定位和自锁性差等问题，其中，外螺纹(9)是柱状母体(3)外表面呈螺旋状且完整单元体螺纹是左侧锥度(95)大于和/或小于右侧锥度(96)的类哑铃状(94)双向圆锥台体(71)，具有同化传统内螺纹(6)能力，被同化后内螺纹(6)是筒状母体(2)内表面呈螺旋状特殊锥形孔(4)，性能主要取决螺纹体圆锥面及锥度大小，优点是：内、外螺纹通过锥孔包容锥体由特殊锥形孔(4)与双向圆锥台体(71)组成一节节圆锥副形成螺纹副(10)直至内、外圆锥呈螺旋状圆锥面定径配合或定径过盈实现螺纹连接功能。

Description

类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构 技术领域
本发明属于设备通用技术领域，尤其是涉及一种类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构(以下简称“双向锥形外螺纹与传统螺纹”)。
背景技术
螺纹的发明，对人类社会进步产生深刻影响。螺纹是最基础工业技术之一，她不是具体产品，是产业关键共性技术，其技术性能必须要有具体产品作为应用载体来体现，各行各业应用广泛。现有螺纹技术，标准化水平高，技术理论成熟，实践应用久远，用之紧固，则是紧固螺纹；用之密封，则为密封螺纹；用之传动，则成传动螺纹。根据国家标准的螺纹术语：“螺纹”是指在圆柱或圆锥表面上，具有相同牙型、沿螺旋线连续凸起的牙体；“牙体”是指相邻牙侧间的材料实体。这也是全球共识的螺纹定义。
[根据细则91更正 29.05.2019]　
现代螺纹始于1841年英国惠氏螺纹。按照现代螺纹技术理论，螺纹自锁基本条件是：当量摩擦角不得小于螺旋升角。这是现代螺纹基于其技术原理——“斜面原理”对螺纹技术的一种认识，成为现代螺纹技术的重要理论依据。最早对斜面原理进行理论解释的是斯蒂文，他研究发现斜面上物体平衡的条件与力合成的平行四边形定律，1586年他提出了著名的斜面定律：放在斜面上的一个物体所受的沿斜面方向的重力与倾角的正弦成正比。所述的斜面，是指与水平面成倾斜的光滑平面，螺旋是“斜面”的变形，螺纹就像包裹在圆柱体外的斜面，斜面越平缓，机械利益越大(见图8即图A)(杨静珊、王绣雅，《螺丝钉的原理探讨》，《高斯算术研究》)。
[根据细则91更正 29.05.2019]　
现代螺纹的“斜面原理”，是基于斜面定律建立起来的斜面滑块模型(见图9即图B)，人们认为，在静载荷和温度变化不大条件下，当螺纹升角小于等于当量摩擦角，螺纹副具备自锁条件。螺纹升角(见图10即图C)又称为螺纹导程角，就是在中径圆柱上螺旋线的切线与垂直于螺纹轴线的平面间的夹角，该角度影响螺纹自锁 和防松。当量摩擦角就是把不同的摩擦形式最终转化成最普通的斜面滑块形式时对应的摩擦角。通俗讲，在斜面滑块模型中，当斜面倾斜到一定角度，滑块此时的摩擦力恰好等于重力沿着斜面的分量，此时物体刚好处于受力平衡状态，此时的斜面倾斜角称为当量摩擦角。
美国工程师于上世纪中叶发明了楔形螺纹，其技术原理仍旧遵循“斜面原理”。楔形螺纹的发明，受到“木楔子”启发。具体说，楔形螺纹的结构是在三角形螺纹(俗称普通螺纹)内螺纹(即螺母螺纹)的牙底处有一个与螺纹轴线成25°～30°夹角的楔形斜面，工程实际都取30°楔形斜面。一直以来，人们都是从螺纹牙型角这个技术层面和技术方向去研究和解决螺纹防松脱等问题，楔形螺纹技术也不例外，是斜楔技术的具体运用。
但是，现有螺纹存在连接强度低、自定位能力弱、自锁性差、承力值小、稳定性差、兼容性差、重复使用性差、高温低温等问题，典型的是应用现代螺纹技术的螺栓或螺母普遍存在着容易松动缺陷，随着设备频繁振动或震动，引起螺栓与螺母松动甚至脱落，严重的容易发生安全事故。
发明概述
技术问题
问题的解决方案
技术解决方案
任何技术理论，都有理论假设背景，螺纹也不例外。随着科技进步，对连接破坏已非单纯线性载荷更非静态更非室温环境，存在线性载荷非线性载荷甚至是二者叠加并由此产生更复杂破坏载荷情况，应用工况复杂，基于这样认识，本发明的目的是针对上述问题，提供一种设计合理、结构简单，具有良好连接性能、锁紧性能的双向锥形外螺纹与传统螺纹的连接结构。
为达到上述目的，本发明采用了下列技术方案：本双向锥形外螺纹与传统螺纹的连接结构，是由非对称双向锥形螺纹外螺纹与传统螺纹内螺纹组成螺纹连接副使用，是一种特殊的合成了圆锥副与螺旋运动技术特点的螺纹副技术，所述的双向锥形螺纹外螺纹，是一种合成了双向锥形体与螺旋结构技术特点的螺纹技术，所述的双向锥形体是由两个单锥形体组成，是由左侧锥度与右侧锥度的 方向相向且锥度不同的两个单锥形体双向组成，上述的双向锥形体呈螺旋状分布于柱状母体的外表面形成外螺纹，其完整单元体螺纹是一种呈螺旋状且中间小两端大包括左侧锥度大于右侧锥度和/或左侧锥度小于右侧锥度的呈类哑铃状的非对称特殊双向锥形几何体。
本双向锥形外螺纹与传统螺纹，所述的类哑铃状非对称双向锥形外螺纹包括左侧锥度大于右侧锥度和左侧锥度小于右侧锥度两种形式，其定义可以表达为：“在圆柱或圆锥外表面上，具有规定左侧锥度和右侧锥度且左侧锥度与右侧锥度的方向相向且锥度不同的非对称双向圆锥台体沿着螺旋线连续和/或不连续分布的呈螺旋状中间小两端大的类哑铃状特殊双向锥形几何体。”因制造等方面原因，非对称双向锥形螺纹的螺头、螺尾可能是不完整的双向锥形几何体。与现代螺纹技术不同，相互螺纹配合已由现代螺纹内、外螺纹啮合关系转变为本双向锥形螺纹内、外螺纹抱合关系。
本双向锥形外螺纹与传统螺纹，包括呈螺旋状分布于柱状母体外表面的双向圆锥台体，即包括相互螺纹配合的外螺纹与内螺纹，内螺纹以呈螺旋状特殊锥形孔并以“非实体空间”形态存在、外螺纹以呈螺旋状双向圆锥台体并以“材料实体”形态存在，所述的非实体空间是指能够容纳上述材料实体的空间环境，内螺纹是包容件，外螺纹是被包容件：传统内螺纹缘于与双向锥形外螺纹的接触而形成的特殊锥形孔一节一节包容抱合双向锥形外螺纹即双向圆锥台体，内螺纹与外螺纹是一节一节双向锥形几何体旋合套接在一起抱合直至一侧双向承载或左侧右侧同时双向承载或直至定径过盈配合，两侧是否同时双向承载与应用实际工况有关，即特殊锥形孔一节一节包容抱合双向圆锥台体，即内螺纹是一节一节抱合对应外螺纹。
所述的螺纹连接副是由呈螺旋状的外锥面与呈螺旋状的内锥面相互配合构成圆锥副形成螺纹副，所述的双向锥形螺纹外圆锥体的外锥面为双向圆锥面，当所述的双向锥形外螺纹与传统内螺纹组成螺纹连接副，是以传统内螺纹特殊圆锥面与双向锥形外螺纹外圆锥面的结合面为支承面，即以圆锥面为支承面，实现连接技术性能，螺纹副自锁性、自定位性、重复使用性和抗疲劳性等能力主要取决于构成本双向锥形外螺纹与传统螺纹的双向锥形外螺纹圆锥台体圆锥面及 其锥度大小以及传统螺纹内螺纹缘于与双向锥形外螺纹接触而形成的特殊锥形孔特殊圆锥面及锥度，是一种非牙型螺纹。
与现有螺纹斜面原理所表现的分布于斜面上的单向力以及内、外螺纹是内牙体与外牙体的啮合关系不同，本双向锥形外螺纹与传统螺纹，外螺纹体即双向锥形体无论分布于左侧或右侧任何一侧单锥形体通过圆锥轴线截面是由圆锥体两条素线双向组成即呈双向状态，所述的素线是圆锥表面与通过圆锥轴线的平面的交线，本双向锥形外螺纹与传统螺纹的连接结构的圆锥原理所表现的是轴心力与反轴心力，二者均是由双向力合成，轴心力与对应的反轴心力对顶，内螺纹与外螺纹是抱合关系，即组成螺纹副是通过内螺纹抱住外螺纹即一节节锥孔(内圆锥体)抱合对应的一节节锥体(外圆锥体)直至抱合定径配合实现自定位或直至定径过盈接触实现自锁，即通过特殊锥形孔与圆锥台体径向抱合在一起实现内圆锥体与外圆锥体自锁紧或自定位进而实现螺纹副的自锁紧或自定位，而非传统螺纹内螺纹与外螺纹组成螺纹连接副是通过彼此牙体与牙体相互抵靠实现螺纹连接性能。
内螺纹与外螺纹的抱合过程达到一定条件会有一种自锁力，所述的自锁力是由内圆锥轴心力与外圆锥反轴心力之间所产生压强生成，即当内圆锥与外圆锥组成圆锥副，内圆锥体的内圆锥面抱合外圆锥体的外圆锥面，内圆锥面与外圆锥面紧密接触。所述的内圆锥轴心力与外圆锥反轴心力是本发明双向锥形螺纹技术即圆锥副技术所独有的力的概念。
内圆锥体以类似轴套的形态存在，在外来载荷作用下，内圆锥体生成指向或者说压向圆锥轴线的轴心力，所述的轴心力是由一对以圆锥轴线为中心呈镜像分布且分别垂直于圆锥体两条素线的向心力双向合成，即轴心力通过圆锥轴线截面是由以圆锥轴线为中心呈镜像双向分布于圆锥轴线两侧且分别垂直于圆锥体两条素线且指向或者说压向圆锥轴线共同点的两条向心力组成且当上述的圆锥体与螺旋结构合成为螺纹并应用于螺纹副则上述的轴心力通过螺纹轴线截面是由以螺纹轴线为中心呈镜像和/或近似镜像双向分布于螺纹轴线两侧且分别垂直于圆锥体两条素线且指向或者说压向螺纹轴线共同点和/或近似共同点的两条向心力组成，所述的轴心力是以轴向并周向的方式密密麻麻地分布于圆锥轴线和/ 或螺纹轴线，所述的轴心力对应的有一个轴心力角，组成所述的轴心力的两条向心力的夹角构成上述的轴心力角，所述的轴心力角大小取决于圆锥体的锥度大小即锥角大小。
外圆锥体以类似轴的形态存在，具备较强吸收外来各种载荷能力，外圆锥体生成与内圆锥体每一轴心力对顶的反轴心力，所述的反轴心力是由一对以圆锥轴线为中心呈镜像分布且分别垂直于圆锥体两条素线的反向心力双向合成，即反轴心力通过圆锥轴线截面是由以圆锥轴线为中心呈镜像双向分布于圆锥轴线两侧且分别垂直于圆锥体两条素线且由圆锥轴线共同点指向或者说压向内圆锥面的两条反向心力组成且当上述的圆锥体与螺旋结构合成为螺纹并应用于螺纹副则上述的反轴心力通过螺纹轴线截面是由以螺纹轴线为中心呈镜像和/或近似镜像双向分布于螺纹轴线两侧且分别垂直于圆锥体两条素线且由螺纹轴线共同点和/或近似共同点指向或者说压向内螺纹圆锥面的两条反向心力组成，所述的反轴心力是以轴向并周向的方式密密麻麻地分布于圆锥轴线和/或螺纹轴线，所述的反轴心力对应的有一个反轴心力角，组成所述的反轴心力的两条反向心力的夹角构成上述的反轴心力角，所述的反轴心力角大小取决于圆锥体的锥度大小即锥角大小。
轴心力与反轴心力在圆锥副的内外圆锥有效接触时开始生成，即圆锥副的内圆锥体与外圆锥体的有效接触过程始终存在一对对应且相对顶的轴心力与反轴心力，所述的轴心力与反轴心力均是以圆锥轴线和/或螺纹轴线为中心且呈镜像双向分布的双向力而非单向力，所述的圆锥轴线与螺纹轴线是重合轴线即是同一轴线和/或近似同一轴线，反轴心力与轴心力是反向共线且当上述的圆锥体与螺旋结构合成为螺纹并组成螺纹副是反向共线和/或近似反向共线，通过内圆锥与外圆锥的抱合直至过盈则轴心力与反轴心力由此在内圆锥面与外圆锥面的接触面生成压强并密密麻麻地轴向并周向均匀分布在内外圆锥表面的接触面，当内圆锥与外圆锥的抱合运动一直进行直至圆锥副达到过盈配合所生成压强将内圆锥与外圆锥结合在一起，即上述的压强已能做到内圆锥体抱合外圆锥体形成类似整体构造体并在其促成的外力消失后并不会因为上述的类似整体构造体体位的方向任意变化而在重力作用下导致内外圆锥体相互脱离，圆锥副产生自锁紧 即螺纹副产生自锁紧，这种自锁紧性对于除了重力之外的可能导致内外圆锥体彼此相互脱离的其他外来载荷也有一定限度的抵抗作用，圆锥副还具有内圆锥与外圆锥相互配合的自定位性，但并非任意轴心力角和/或反轴心力角都能让圆锥副产生自锁紧和自定位。
当轴心力角和/或反轴心力角小于180°且大于127°，圆锥副具备自锁性，轴心力角和/或反轴心力角无限接近于180°时，圆锥副的自锁性最佳，其轴向承载能力最弱，轴心力角和/或反轴心力角等于和/或小于127°且大于0°，则圆锥副处于自锁性弱和/或不具自锁性区间，轴心力角和/或反轴心力角趋向于向无限接近于0°方向变化，则圆锥副的自锁性呈衰减趋势方向变化直至完全不具自锁紧能力，轴向承载能力呈增强趋势方向变化直至轴向承载能力最强。
当轴心力角和/或反轴心力角小于180°且大于127°，圆锥副处于强自定位状态，容易达到内外圆锥体强自定位，轴心力角和/或反轴心力角无限接近于180°时，圆锥副的内外圆锥体自定位能力最强，轴心力角和/或反轴心力角等于和或小于127°且大于0°，圆锥副处于弱自定位状态，轴心力角和/或反轴心力角趋向于向无限接近于0°方向变化，则圆锥副的内外圆锥体相互自定位能力呈衰减趋势方向变化直至接近完全不具自定位能力。
本双向锥形螺纹连接副，较之申请人此前发明的单锥形体的单向锥形螺纹只能圆锥面单侧承载的不可逆性单侧双向包容的包容与被包容关系，双锥形体的双向锥形螺纹的可逆性左右两侧双向包容，可以做到圆锥面左侧承载和/或圆锥面右侧承载和/或左侧圆锥面右侧圆锥面分别承载和/或左侧圆锥面右侧圆锥面双向同时承载，更限制特殊锥形孔与圆锥台体之间的无序自由度，螺旋运动又让双向锥形外螺纹与传统螺纹连接结构获取了必须的有序自由度，有效合成了圆锥副与螺纹副技术特点形成全新螺纹技术。
本双向锥形外螺纹与传统螺纹的连接结构在使用时双向锥形螺纹外螺纹的双向圆锥台体圆锥面与传统内螺纹的特殊锥形孔特殊圆锥面相互配合。
本双向锥形外螺纹与传统螺纹，双向锥形外螺纹即圆锥台体并非任意锥度或者说任意锥角均可实现螺纹连接副的自锁紧和/或自定位，外圆锥体必须达到一定锥度或者说一定锥角，本双向锥形外螺纹与传统螺纹才具备自锁性和自定位性 ，所述的锥度包括外螺纹体的左侧锥度和右侧锥度，上述的左侧锥度对应左侧锥角即第一锥角α1、右侧锥度对应右侧锥角即第二锥角α2，上述的左侧锥度大于右侧锥度时，优选地，0°＜第一锥角α1＜53°，优选地，第一锥角α1取值为2°～40°，个别特殊领域，优选地，53°≤第一锥角α1＜180°，优选地，第一锥角α1取值为53°～90°；优选地，0°＜第二锥角α2＜53°，优选地，第二锥角α2取值为2°～40°。
上述的左侧锥度小于右侧锥度时，优选地，0°＜第一锥角α1＜53°，优选地，第一锥角α1取值为2°～40°；优选地，0°＜第二锥角α2＜53°，优选地，第二锥角α1取值为2°～40°，个别特殊领域，优选地，53°≤第二锥角α2＜180°，优选地，第二锥角α2取值为53°～90°。
上述的个别特殊领域，是指自锁性要求低甚至不需要自锁性和/或自定位性要求弱和/或轴向承载力要求高和/或必须设置防抱死措施的传动连接等等螺纹连接应用领域。
本双向锥形外螺纹与传统螺纹，所述的外螺纹设置在柱状母体外表面，其特征是，所述的柱状母体有螺杆体，所述螺杆体外表面上有呈螺旋状分布的圆锥台体，所述圆锥台体包括双向圆锥台体，所述柱状母体可以是实心或空心，包括圆柱体和/或非圆柱体等需要在其外表面加工螺纹的工件和物体，外表面包括圆柱表面和圆锥表面等非圆柱面等外表面几何形状。
本双向锥形外螺纹与传统螺纹，所述的非对称双向圆锥台体即外螺纹，其特征是，是由具有下底面相同且上顶面相同但锥高不同的两个圆锥台体的上顶面对称并相向相互接合呈螺旋状而成螺纹且下底面处于双向圆锥台体的两端且形成类哑铃状非对称双向锥形螺纹时包括分别与相邻双向圆锥台体的下底面相互接合和/或或将分别与相邻双向圆锥台体的下底面相互接合呈螺旋状而成螺纹，所述的外螺纹包括圆锥台体第一螺旋状圆锥面和圆锥台体第二螺旋状圆锥面和外螺旋线，在通过螺纹轴线的截面内，其完整单节非对称双向锥形外螺纹是中间小且两端大的呈类哑铃状特殊双向锥形几何体，所述的非对称双向圆锥台体包括双向圆锥台体圆锥面，其左侧圆锥面即圆锥台体第一螺旋状圆锥面两条素线间的夹角为第一锥角α1，圆锥台体第一螺旋状圆锥面形成左侧锥度且呈右向分 布，其右侧圆锥面即圆锥台体第二螺旋状圆锥面两条素线间的夹角为第二锥角α2，圆锥台体第二螺旋状圆锥面形成右侧锥度且呈左向分布，所述的第一锥角α1与第二锥角α2所对应锥度方向相向，所述的素线是圆锥表面与通过圆锥轴线的平面的交线，所述的双向圆锥台体的圆锥台体第一螺旋状圆锥面和圆锥台体第二螺旋状圆锥面形成的形状与以重合于柱状母体中轴线具有下底边相同且上底边相同但直角边不同的两个直角梯形的上底边对称并相向接合的直角梯形结合体的直角边为回转中心周向匀速回转且该直角梯形结合体同时沿柱状母体中轴线匀速轴向移动而由直角梯形结合体两条斜边形成的回旋体的螺旋外侧面形状相同，所述的直角梯形结合体是指具有下底边相同且上底边相同但直角边不同的两个直角梯形的上底边对称并相向接合且下底边分别处于直角梯形结合体两端的特殊几何体。
所述的双向锥形外螺纹因其螺纹体是锥形体即圆锥台体这一独特技术特点和优势，具有较强同化异种螺纹能力，即具有能够将与之相配合的传统螺纹同化变成与自己具有相同技术特点和性质的特殊形式锥形螺纹的能力，被锥形螺纹同化后的传统螺纹，即异化传统螺纹，看上去其螺纹体外形与传统螺纹牙体没有多大区别，但已不具传统螺纹之螺纹体实质性技术内容，其螺纹体由原来传统螺纹牙体性质变成具有锥形螺纹的螺纹体性质即锥形体性质和技术特点的特殊锥形几何体，特殊锥形几何体径向有能与锥形螺纹螺旋状圆锥面相匹配的特殊圆锥面，上述的传统螺纹包括三角形螺纹、梯形螺纹、锯齿形螺纹、矩形螺纹、圆弧螺纹等可以与上述的双向锥形螺纹拧合组成螺纹连接副的其他几何形态螺纹，但不局限于上述几种。
当传统内螺纹与双向锥形外螺纹配合组成螺纹连接副，此时的传统内螺纹已非本来意义上的传统螺纹，而是一种被锥形螺纹所同化了的特殊形式的锥形螺纹，其与双向锥形外螺纹接触部分形成所述的螺纹连接副的传统内螺纹的特殊锥形孔的能与锥形螺纹螺旋状圆锥面相匹配的内表面，即特殊锥形孔上有特殊圆锥面，随着拧合使用次数的增加，传统内螺纹的特殊锥形孔上的特殊圆锥面有效圆锥面面积会不断增加即特殊圆锥面会不断加大并趋向于与双向锥形外螺纹圆锥台体圆锥面有更大接触面方向变化，实质上形成一种虽然锥形几何形状不 完整但已具备本发明技术精神的特殊锥形孔，进一步地说，所述的特殊锥形孔是传统内螺纹缘于与双向锥形外螺纹抱合性接触而被其所同化形成的螺纹体，是由传统内螺纹牙体转变而来的特殊锥形几何体，所述的特殊锥形孔径向有能与双向圆锥台体圆锥面相匹配的内表面即特殊圆锥面，即所述的螺纹连接副是由呈螺旋状的外锥面即双向锥形外螺纹的外圆锥面与呈螺旋状的特殊内锥面即传统内螺纹缘于与双向锥形外螺纹接触而构成的特殊锥形孔特殊圆锥面相互配合构成圆锥副形成螺纹副，外圆锥面即外圆锥体即圆锥台体的外锥面为双向圆锥面，被其同化后的传统螺纹，是一种异化传统螺纹，是一种特殊形式锥形螺纹，这种特殊形式锥形螺纹内圆锥面即传统内螺纹的特殊圆锥面先以线的形态出现，并随着传统内螺纹牙尖与双向锥形外螺纹圆锥台体接触使用次数增加而内锥面逐渐增加，即传统内螺纹的特殊圆锥面是由微观上的面(宏观上是线)到宏观上的面不断变化加大，也可以直接在传统内螺纹的牙尖部位加工出与双向锥形外螺纹相匹配的内锥面，这些都符合本发明技术精神。
本双向锥形外螺纹与传统螺纹，所述的内螺纹设置在筒状母体内表面形成螺母，其特征是，所述的筒状母体有螺母体，所述的螺母体内表面上有呈螺旋状分布的特殊锥形孔，所述的特殊锥形孔是指传统内螺纹缘于与双向锥形外螺纹接触而构成的特殊锥形孔，特殊锥形孔上有特殊圆锥面，所述筒状母体包括圆筒体和/或非圆筒体等需要在其内表面加工内螺纹的工件和物体，内表面包括圆柱表面和圆锥表面等非圆柱表面等内表面几何形状。
本双向锥形外螺纹与传统螺纹的连接结构工作时，与工件之间的关系包括刚性连接和非刚性连接。所述的刚性连接是指螺母支承面与工件支承面互为支承面，包括单螺母和双螺母等结构形式，所述的非刚性连接是指两个螺母的相向侧面端面互为支承面和/或两个螺母的相向侧面端面之间有垫片则是间接互为支承面，主要应用于非刚性材料或传动件等非刚性连接工件或要通过双螺母安装满足需求等应用领域，所述的工件是指包括工件在内的被连接物体，所述的垫片是指包括垫片的间隔物。
本双向锥形外螺纹与传统螺纹，采取双向锥形螺纹螺栓与传统螺纹双螺母连接结构且与被紧固工件关系是刚性连接时，锥形螺纹支承面是不同的，当筒状母 体位于被紧固工件左侧，即被紧固工件左侧端面、筒状母体即左侧螺母体右侧端面是左侧螺母体与被紧固工件的锁紧支承面时，柱状母体即螺栓双向锥形螺纹左侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第一螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第一螺旋状圆锥面互为支承面，当筒状母体位于被紧固工件右侧，即被紧固工件右侧端面、筒状母体即右侧螺母体左侧端面是右侧螺母体与被紧固工件的锁紧支承面时，柱状母体即螺栓双向锥形螺纹右侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第二螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第二螺旋状圆锥面互为支承面。
本双向锥形外螺纹与传统螺纹，采取双向锥形螺纹螺栓与传统螺纹单螺母的连接结构且与被紧固工件关系是刚性连接时，当螺栓六角头部位于左侧，所述的筒状母体即螺母体即单螺母位于被紧固工件右侧，螺栓与单螺母连接结构工作时，工件右侧端面、螺母体左侧端面是螺母体与被紧固工件的锁紧支承面，柱状母体即螺栓双向锥形螺纹右侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第二螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第二螺旋状圆锥面互为支承面；当螺栓六角头部位于右侧，则所述的筒状母体即螺母体即单螺母位于被紧固工件左侧，螺栓与单螺母连接结构工作时，工件左侧端面、螺母体右侧端面是螺母体与被紧固工件的锁紧支承面，柱状母体即螺栓双向锥形螺纹左侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第一螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第一螺旋状圆锥面互为支承面。
本双向锥形外螺纹与传统螺纹，采取双向锥形螺纹螺栓与传统螺纹双螺母连接结构且与被紧固工件关系是非刚性连接时，锥形螺纹支承面是不同的，筒状母体包括左侧螺母体与右侧螺母体，左侧螺母体右侧端面与右侧螺母体左侧端面相向直接接触并互为锁紧支承面，当左侧螺母体右侧端面是锁紧支承面时，柱状母体即螺栓双向锥形螺纹左侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺 纹特殊圆锥面和双向锥形外螺纹圆锥台体第一螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第一螺旋状圆锥面互为支承面，当右侧螺母体左侧端面是锁紧支承面时，柱状母体即螺栓双向锥形螺纹右侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第二螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第二螺旋状圆锥面互为支承面。
本双向锥形外螺纹与传统螺纹，采取双向锥形螺纹螺栓与传统螺纹双螺母连接结构且与被紧固工件关系是非刚性连接时，锥形螺纹支承面是不同的，筒状母体包括左侧螺母体与右侧螺母体且两个筒状母体即左侧螺母体与右侧螺母体之间有垫片之类间隔物，左侧螺母体右侧端面与右侧螺母体左侧端面经垫片而相向间接接触由此间接互为锁紧支承面，当筒状母体位于垫片左侧即垫片的左侧面、左侧螺母体右侧端面是左侧螺母体的锁紧支承面时，柱状母体即螺栓双向锥形螺纹左侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第一螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第一螺旋状圆锥面互为支承面，当筒状母体位于垫片右侧即垫片的右侧面、右侧螺母体左侧端面是右侧螺母体的锁紧支承面时，柱状母体即螺栓双向锥形螺纹右侧螺旋状圆锥面是锥形螺纹支承面，即传统内螺纹特殊圆锥面和双向锥形外螺纹圆锥台体第二螺旋状圆锥面是锥形螺纹支承面且传统内螺纹特殊圆锥面与圆锥台体第二螺旋状圆锥面互为支承面。
进一步说，上述的当位于内侧的筒状母体即与被紧固工件相邻的螺母体已经与柱状母体即螺杆体即螺栓有效结合在一起即组成螺纹连接副的内螺纹与外螺纹有效抱合在一起，位于外侧的筒状母体即与被紧固工件并不相邻的螺母体可以根据应用工况需要保持原状和/或拆卸掉而只留一只螺母(譬如对装备轻量化有要求的或不需要双螺母来确保连接技术可靠性等应用领域)，被拆除螺母体不作为连接螺母使用而只是作为安装工艺螺母使用，所述的安装工艺螺母内螺纹除了是传统螺纹制造，包括三角形螺纹、梯形螺纹、锯齿形螺纹等，但不局限于上述几种，适用均可采用，还可以是采用能够与螺栓螺纹拧合的双向锥形螺纹和单向锥形螺纹制造的螺母体，确保连接技术可靠性前提，所述的螺纹连接 副是一种闭环紧固技术系统即螺纹连接副的内螺纹与外螺纹实现有效抱合在一起后螺纹连接副将自成独立技术系统而不依赖于第三者的技术补偿来确保连接技术系统的技术有效性即即便没有其他物件的支持包括螺纹连接副与被紧固工件之间有间隙也不会影响螺纹连接副的有效性，这将有利于大大减轻装备重量，去除无效载荷，提升装备的有效载荷能力、制动性能、节能减排等等技术需求，这是本双向锥形外螺纹与传统螺纹的连接结构与被紧固工件的关系无论是非刚性连接还是刚性连接时所独具的而其他螺纹技术不具备的螺纹技术优势。
本双向锥形外螺纹与传统螺纹，传动连接时，通过传统内螺纹特殊锥形孔与双向圆锥台体的旋合连接，双向承载，当外螺纹与内螺纹组成螺纹副，双向圆锥台体与传统内螺纹特殊锥形孔之间必须要有游隙，内螺纹与外螺纹之间若有油类等介质润滑，将容易形成承载油膜，游隙有利于承载油膜形成，本双向锥形外螺纹与传统螺纹，应用于传动连接相当于一组由一副和/或数副滑动轴承组成的滑动轴承副，即每一节传统内螺纹双向包容相对应一节双向锥形外螺纹，构成一副滑动轴承，组成的滑动轴承数量根据应用工况调整，即传统内螺纹与双向锥形外螺纹有效双向接合即有效双向接触抱合的包容与被包容螺纹节数，根据应用工况设计，通过传统内螺纹特殊锥形孔双向包容锥形外螺纹圆锥台体且径向、轴向、角向、周向等多方向定位，优选地，通过特殊锥形孔包容双向圆锥台体且以径向、周向的主定位辅之于轴向、角向的辅助定位进而形成内、外圆锥体多方向定位直至特殊锥形孔特殊圆锥面与双向圆锥台体圆锥面抱合实现自定位或直至定径过盈接触产生自锁，构成一种特殊的圆锥副与螺纹副合成技术，确保锥形螺纹技术尤其是双向锥形外螺纹与传统螺纹传动连接精度、效率和可靠性。
本双向锥形外螺纹与传统螺纹，紧固连接、密封连接时，其技术性能是通过传统内螺纹特殊锥形孔与锥形外螺纹双向圆锥台体的旋合连接实现的，即圆锥台体第一螺旋状圆锥面与传统内螺纹特殊锥形孔特殊圆锥面定径直至过盈和/或圆锥台体第二螺旋状圆锥面与传统内螺纹特殊锥形孔特殊圆锥面定径直至过盈实现的，根据应用工况，达到一个方向承载和/或两个方向同时分别承载，即双向圆锥台体与传统内螺纹特殊锥形孔在螺旋线的引导下传统内螺纹特殊锥形孔内 圆锥与锥形外螺纹外圆锥内外径定心直至传统内螺纹特殊锥形孔特殊圆锥面与圆锥台体第一螺旋状圆锥面抱合直至过盈接触和/或传统内螺纹特殊锥形孔特殊圆锥面与圆锥台体第二螺旋状圆锥面抱合直至过盈接触，即通过传统内螺纹特殊锥形孔包容锥形外螺纹双向外圆锥体的自锁紧且径向、轴向、角向、周向等多方向定位，优选地，通过特殊锥形孔包容双向圆锥台体且以径向、周向的主定位辅之于轴向、角向的辅助定位进而形成内、外圆锥体的多方向定位直至特殊锥形孔特殊圆锥面与双向圆锥台体圆锥面抱合实现自定位或直至定径过盈接触产生自锁，构成一种特殊的圆锥副与螺纹副的合成技术，确保锥形螺纹技术尤其是本双向锥形外螺纹与传统螺纹的连接结构的效率和可靠性，从而实现机械机构连接、锁紧、防松、承载、疲劳和密封等技术性能。
因此，本双向锥形外螺纹与传统螺纹的连接结构机械机构传动精度效率高低、承力能力大小、自锁之锁紧力大小、防松能力大小、密封性能好坏等技术性能与圆锥台体第一螺旋状圆锥面及其形成的左侧锥度即其所对应第一锥角α1和圆锥台体第二螺旋状圆锥面及其形成的右侧锥度即其所对应第二锥角α2的大小有关，也与传统内螺纹缘于与双向锥形螺纹外螺纹接触而构成的传统内螺纹特殊内锥面及其锥度有关。柱状母体和筒状母体的材料材质摩擦系数、加工质量、应用工况对圆锥配合也有一定影响。
在上述的双向锥形外螺纹与传统螺纹，所述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离为具有下底边相同且上底边相同但直角边不同的两个直角梯形的直角边之和的长度的至少一倍。该结构保证了圆锥台体第一螺旋状圆锥面和圆锥台体第二螺旋状圆锥面具有足够长度，从而保证双向圆锥台体圆锥面与传统内螺纹特殊锥形孔特殊圆锥面配合时具有足够有效接触面积和强度以及螺旋运动所需要的效率。
在上述的双向锥形外螺纹与传统螺纹，所述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离等于具有下底边相同且上底边相同但直角边不同的两个直角梯形的直角边之和的长度。该结构保证了圆锥台体第一螺旋状圆锥面和圆锥台体第二螺旋状圆锥面具有足够长度，从而保证双向圆锥台体圆锥面与传统内螺纹特殊锥形孔特殊圆锥面配合时具有足够有效接触面积和 强度以及螺旋运动所需要的效率。
本双向锥形外螺纹与传统螺纹，所述的圆锥台体第一螺旋状圆锥面和圆锥台体第二螺旋状圆锥面均为连续螺旋面或非连续螺旋面。
本双向锥形外螺纹与传统螺纹，所述的特殊锥形孔的特殊圆锥面为连续螺旋面或非连续螺旋面。
在上述的双向锥形外螺纹与传统螺纹，所述的柱状母体的一端和/或两端均可以为旋入所述筒状母体连接孔的旋入端，通过所述的传统内螺纹特殊圆锥面与锥形外螺纹圆锥台体第一螺旋状圆锥面接触和/或过盈配合和/或所述的传统内螺纹特殊圆锥面与锥形外螺纹圆锥台体第二螺旋状圆锥面接触和/或过盈配合实现螺纹连接功能。
在上述的双向锥形外螺纹与传统螺纹，所述的柱状母体的一端设有尺寸大于柱状母体外径的头部和/或所述的柱状母体的一端和/或两端都设有小于柱状母体螺杆体的双向锥形外螺纹小径的头部，所述的连接孔为设于螺母上的螺纹孔。即这里的柱状母体与头部连接为螺栓，没有头部和/或两端头部小于双向锥形外螺纹小径的和/或中间没有螺纹两端各有双向锥形外螺纹的为螺柱，连接孔设置在螺母内。
与现有的技术相比，本双向锥形外螺纹与传统螺纹的连接结构的优点在于：设计合理，结构简单，通过内、外圆锥同轴内外径定心形成的圆锥副双向承载或定径直至过盈配合来实现紧固和连接功能，操作方便，锁紧力大，承力值大，防松性能良好，传动效率和精度高，机械密封效果好，稳定性好，能防止连接时出现松脱现象，具有自锁和自定位功能。
发明的有益效果
对附图的简要说明
附图说明
图1是本发明提供的实施例一的类哑铃状(左侧锥度大于右侧锥度)非对称双向锥形螺纹螺栓与传统螺纹双螺母的连接结构示意图。
图2是本发明提供的实施例一的类哑铃状(左侧锥度大于右侧锥度)非对称双向锥形螺纹外螺纹及其完整单元体螺纹结构示意图。
图3是本发明提供的实施例二的类哑铃状(左侧锥度大于右侧锥度)非对称双向锥形螺纹螺栓与传统螺纹双螺母的连接结构示意图。
图4是本发明提供的实施例三的类哑铃状(左侧锥度小于右侧锥度)非对称双向锥形螺纹螺栓与传统螺纹双螺母的连接结构示意图。
图5是本发明提供的实施例三的类哑铃状(左侧锥度小于右侧锥度)非对称双向锥形螺纹外螺纹及其完整单元体螺纹结构示意图。
图6是本发明提供的实施例四的包含有类哑铃状(左侧锥度小于右侧锥度)非对称双向锥形螺纹与类哑铃状(左侧锥度大于右侧锥度)非对称双向锥形螺纹等两种类哑铃状非对称双向锥形外螺纹的螺栓与传统内螺纹的双螺母混合组合的连接结构示意图。
图7是本发明提供的实施例四的单根螺杆体上包含有类哑铃状(左侧锥度小于右侧锥度)与类哑铃状(左侧锥度大于右侧锥度)等两种锥度结构形式的类哑铃状非对称双向锥形螺纹外螺纹的螺栓及外螺纹完整单元体螺纹结构示意图。
[根据细则91更正 29.05.2019]　
图8（即图A）是本发明背景技术中所涉及的“现有螺纹技术的螺纹是圆柱或圆锥表面上的斜面”的图示。
[根据细则91更正 29.05.2019]　
图9（即图B）是本发明背景技术中所涉及的“现有螺纹技术原理——斜面原理的斜面滑块模型”的图示。
[根据细则91更正 29.05.2019]　
图10（即图C）是本发明背景技术中所涉及的“现有螺纹技术的螺纹升角”的图示。
图中，锥形螺纹1、筒状母体2、螺母体21、螺母体22、柱状母体3、螺杆体31、特殊锥形孔4、特殊圆锥面42、内螺纹6、圆锥台体7、双向圆锥台体71、双向圆锥台体圆锥面72、圆锥台体第一螺旋状圆锥面721、第一锥角α1、圆锥台体第二螺旋状圆锥面722、第二锥角α2、外螺旋线8、外螺纹9、类哑铃状94、左侧锥度95、右侧锥度96、左向分布97、右向分布98、螺纹连接副和/或螺纹副10、游隙101、锁紧支承面111、锁紧支承面112、锥形螺纹支承面122、锥形螺纹支承面121、工件130、光杆20、圆锥轴线01、螺纹轴线02、斜面体上的滑块A、斜面体B、重力G、重力沿着斜面分量G1、摩擦力F、螺纹升角
Figure PCTCN2019081402-appb-000001
当量摩擦角P、传统外螺纹大径d、传统外螺纹小径d1、传统外螺纹中径d2。
发明实施例
具体实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
实施例一
如图1、图2所示，本实施例采取非对称双向锥形外螺纹9与传统内螺纹6的连接结构，本双向锥形外螺纹与传统螺纹连接副10，包括呈螺旋状分布于柱状母体3外表面的双向圆锥台体71和传统内螺纹6缘于与双向锥形螺纹外螺纹9接触而形成的呈螺旋状分布于筒状母体2内表面的特殊锥形孔4，即包括相互螺纹配合的外螺纹9与内螺纹6，内螺纹6分布的是呈螺旋状的特殊锥形孔4，外螺纹9分布的是呈螺旋状的双向圆锥台体71，内螺纹6以呈螺旋状特殊锥形孔4并以“非实体空间”形态存在、外螺纹9以呈螺旋状双向圆锥台体71并以“材料实体”形态存在，内螺纹6与外螺纹9是包容件与被包容件的关系：内螺纹6与外螺纹9是一节一节旋合套接在一起抱合直至过盈配合，即传统内螺纹6缘于与双向锥形外螺纹9的接触而形成的特殊锥形孔4一节一节包容双向圆锥台体71，即内螺纹6是一节一节包容外螺纹9，双向包容限制传统内螺纹6特殊锥形孔4与圆锥台体7之间的无序自由度，螺旋运动又让双向锥形外螺纹与传统螺纹连接副10获取了必须的有序自由度，有效合成了圆锥副与螺纹副技术特点。
本实施例中的双向锥形外螺纹与传统螺纹连接副10在使用时双向圆锥台体圆锥面72与传统内螺纹6的特殊锥形孔4特殊圆锥面42相互配合。
本实施例中的非对称双向锥形外螺纹与传统螺纹连接副10所述的圆锥台体7达到一定锥度，即圆锥体达到一定锥角，所述的螺纹连接副10才具备自锁性和自定位性，所述的锥度包括左侧锥度95和右侧锥度96，本实施例中的非对称式双向锥形螺纹1是左侧锥度95大于右侧锥度96。所述的左侧锥度95对应左侧锥角即第一锥角α1，优选地，0°＜第一锥角α1＜53°，优选地，第一锥角α1取值为2°～40°，个别特殊领域，即或不需要自锁性和/或自定位性要求弱和/或轴向承载力要求高的连接应用领域，优选地，所述的53°≤第一锥角α1＜180°，优选地，第一锥角α1取值为53°～90°；所述的右侧锥度96对应右侧锥角即第二锥角α2，优选地，0°＜第二锥角α2＜53°，优选地，第二锥角α2取值为2°～40°。
所述的内螺纹6设置在筒状母体2内表面，其特征是，所述的筒状母体2包括螺 母体21、螺母体22，所述的螺母体21、螺母体22内表面上设有传统内螺纹6，传统内螺纹6是指包括三角形螺纹、梯形螺纹、锯齿形螺纹等可以与上述的双向锥形螺纹1拧合组成螺纹连接副10的其他几何形态螺纹，当传统内螺纹6与双向锥形外螺纹9配合组成螺纹连接副10，此时的传统内螺纹6已非本来意义上的传统螺纹，而是一种特殊形式的锥形螺纹1，其与双向锥形外螺纹9接触部分形成所述的螺纹连接副10的传统内螺纹6的特殊锥形孔4，特殊锥形孔4上有特殊圆锥面42，随着拧合使用次数的增加，传统内螺纹6的特殊锥形孔4上的特殊圆锥面42有效圆锥面面积会不断增加即特殊圆锥面42会不断加大并趋向于与双向锥形外螺纹9圆锥面有更大接触面方向变化，实质上形成一种虽然锥形几何形状不完整但已具备本发明技术精神的特殊锥形孔4，内圆锥面即传统内螺纹6的特殊圆锥面42先以线的形态出现并随着传统内螺纹6牙尖与双向锥形外螺纹9圆锥台体7接触使用次数增加而内锥面逐渐增加即传统内螺纹6的特殊圆锥面42是由线到面不断变化加大，也可以直接在传统内螺纹6的牙尖部位加工出与双向锥形外螺纹9相匹配的内锥面，这些都符合本发明技术精神，所述的筒状母体2包括圆筒体和/或非圆筒体等需要在其内表面加工内螺纹的工件和物体。
所述的外螺纹9设置在柱状母体3外表面，其特征是，所述的柱状母体3有螺杆体31，所述的螺杆体31外表面上有呈螺旋状分布的圆锥台体7，圆锥台体7包括双向圆锥台体71，所述的柱状母体3可以是实心或空心，包括圆柱体、圆锥体、管体等需要在其外表面加工外螺纹的工件和物体。
所述的呈类哑铃状94非对称双向圆锥台体71，其特征是，是由具有下底面相同且上顶面相同但锥高不同的两个圆锥台体的上顶面对称并相向接合而成且下底面处于双向圆锥台体71的两端且形成双向锥形螺纹1时包括分别与相邻双向圆锥台体71的下底面相互接合和/或或将分别与相邻双向圆锥台体71的下底面相互接合，所述的外螺纹9包括圆锥台体第一螺旋状圆锥面721和圆锥台体第二螺旋状圆锥面722和外螺旋线8，在通过螺纹轴线02的截面内，其完整单节非对称双向锥形外螺纹9是中间小两端大且左侧锥形孔锥度大于右侧锥形孔锥度的呈类哑铃状94的特殊双向锥形几何体，所述的非对称双向圆锥台体71包括双向圆锥台体圆锥面72，其左侧圆锥面即圆锥台体第一螺旋状圆锥面721两条素线间的夹角为 第一锥角α1，圆锥台体第一螺旋状圆锥面721形成左侧锥度95且呈右向分布98，其右侧圆锥面即圆锥台体第二螺旋状圆锥面722两条素线间的夹角为第二锥角α2，圆锥台体第二螺旋状圆锥面722形成右侧锥度96且呈左向分布97，所述的第一锥角α1与第二锥角α2所对应锥度方向相向，所述的素线是圆锥表面与通过圆锥轴线01的平面的交线，所述的双向圆锥台体71的圆锥台体第一螺旋状圆锥面721和圆锥台体第二螺旋状圆锥面722形成的形状与以重合于柱状母体3中轴线具有下底边相同且上底边相同但直角边不同的两个直角梯形的上底边对称并相向接合的直角梯形结合体的直角边为回转中心周向匀速回转且该直角梯形结合体同时沿柱状母体3中轴线匀速轴向移动而由直角梯形结合体两条斜边形成的回旋体的螺旋外侧面形状相同，所述的直角梯形结合体是指具有下底边相同且上底边相同但直角边不同的两个直角梯形的上底边对称并相向接合且下底边分别处于直角梯形结合体两端的特殊几何体。
本实施例采取的是非对称双向锥形外螺纹9螺栓与传统内螺纹6双螺母连接结构，所述的螺母体21和螺母体22分别位于被紧固工件130左侧和右侧，螺栓与双螺母工作时，与被紧固工件130之间的关系是刚性连接，所述的刚性连接是指螺母端面支承面与工件130支承面互为支承面，包括锁紧支承面111和锁紧支承面112，所述的工件130是指包括工件130在内的被连接物体。
本实施例的螺纹工作支承面包括锥形螺纹支承面121和锥形螺纹支承面122，当被紧固工件130左侧端面、螺母体21右侧端面是螺母体21与被紧固工件130的锁紧支承面111时，柱状母体3即螺杆体31即螺栓双向锥形螺纹1左侧螺旋状圆锥面是锥形螺纹支承面122，即传统内螺纹6特殊圆锥面42和锥形外螺纹9圆锥台体第一螺旋状圆锥面721是锥形螺纹支承面122且传统内螺纹6特殊圆锥面42与圆锥台体第一螺旋状圆锥面721互为支承面，当被紧固工件130右侧端面、螺母体22左侧端面是螺母体22与被紧固工件130的锁紧支承面112时，柱状母体3即螺杆体31即螺栓双向锥形螺纹1右侧螺旋状圆锥面是锥形螺纹支承面121，即传统内螺纹6特殊圆锥面42和锥形外螺纹9圆锥台体第二螺旋状圆锥面722是锥形螺纹支承面121且传统内螺纹6特殊圆锥面42与圆锥台体第二螺旋状圆锥面722互为支承面。
本双向锥形外螺纹与传统螺纹，传动连接时，通过传统内螺纹6特殊锥形孔4与 双向圆锥台体71的旋合连接，双向承载，双向圆锥台体71与传统内螺纹6特殊锥形孔4之间必须要有游隙101，游隙101有利于承载油膜形成，所述的螺纹连接副10相当于一组由一副或数副滑动轴承组成的滑动轴承副，即每一节传统内螺纹6双向包容相对应一节双向锥形外螺纹9，构成一副滑动轴承，组成的滑动轴承数量根据应用工况调整，即传统内螺纹6与双向锥形外螺纹9有效双向接合即有效双向接触抱合的包容与被包容螺纹节数，根据应用工况设计，通过特殊锥形孔4双向包容圆锥台体7且径向、轴向、角向、周向等多方向定位，确保锥形螺纹技术尤其是双向锥形外螺纹与传统螺纹传动连接精度、效率和可靠性。
本双向锥形外螺纹与传统螺纹，紧固连接、密封连接时，其技术性能是通过传统内螺纹6特殊锥形孔4与双向圆锥台体71的旋合连接实现的，即圆锥台体第一螺旋状圆锥面721与传统内螺纹6特殊锥形孔4特殊圆锥面42定径直至过盈和/或圆锥台体第二螺旋状圆锥面722与传统内螺纹6特殊锥形孔4特殊圆锥面42定径直至过盈实现的，根据应用工况，达到一个方向承载和/或两个方向同时分别承载，即双向锥形外螺纹9双向圆锥台体71与传统内螺纹6特殊锥形孔4在螺旋线的引导下内圆锥与外圆锥内外径定心直至传统内螺纹6特殊锥形孔4特殊圆锥面42与圆锥台体第一螺旋状圆锥面721抱合直至过盈接触和/或传统内螺纹6特殊锥形孔4特殊圆锥面42与圆锥台体第二螺旋状圆锥面722抱合直至过盈接触，从而实现机械机构连接、锁紧、防松、承载、疲劳和密封等技术性能。
因此，本实施例中的双向锥形外螺纹与传统螺纹连接副10机械机构，传动精度、传动效率高低、承力能力大小、自锁之锁紧力大小、防松能力大小、密封性能好坏、重复使用性等技术性能与圆锥台体第一螺旋状圆锥面721及其形成的左向锥度95即其所对应第一锥角α1和圆锥台体第二螺旋状圆锥面722及其形成的右向锥度96即其所对应第二锥角α2的大小有关，也与传统内螺纹6缘于与双向锥形外螺纹9接触而构成的传统内螺纹6特殊锥形孔4特殊圆锥面42及其锥度有关。柱状母体3和筒状母体2的材料材质摩擦系数、加工质量、应用工况对圆锥配合也有一定影响。
本双向锥形外螺纹与传统螺纹，所述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离为具有下底边相同且上底边相同但直角边不同 的两个直角梯形的直角边之和的长度的至少一倍。该结构保证了圆锥台体第一螺旋状圆锥面721和圆锥台体第二螺旋状圆锥面722具有足够长度，从而保证双向圆锥台体圆锥面72与传统内螺纹6特殊锥形孔4特殊圆锥面42配合时具有足够有效接触面积和强度及螺旋运动所需要效率。
本双向锥形外螺纹与传统螺纹，所述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离等于具有下底边相同且上底边相同但直角边不同的两个直角梯形的直角边之和的长度。该结构保证了圆锥台体第一螺旋状圆锥面721和圆锥台体第二螺旋状圆锥面722具有足够长度，从而保证双向圆锥台体圆锥面72与传统内螺纹6特殊锥形孔4特殊圆锥面42配合时具有足够有效接触面积和强度以及螺旋运动所需要的效率。
本双向锥形外螺纹与传统螺纹，所述的圆锥台体第一螺旋状圆锥面721和圆锥台体第二螺旋状圆锥面722均为连续螺旋面或非连续螺旋面。
本双向锥形外螺纹与传统螺纹，所述的柱状母体3的一端和/或两端均可以为旋入筒状母体2连接孔的旋入端，连接孔为设于螺母体21上的螺纹孔。所述的柱状母体3的一端设有尺寸大于柱状母体3外径的头部和/或所述的柱状母体3的一端和/或两端都设有小于柱状母体3螺杆体31的外螺纹9小径的头部，即这里的柱状母体3与头部连接为螺栓，没有头部和/或两端头部小于外螺纹9小径和/或中间没有螺纹两端各有外螺纹9的为螺柱。
与现有的技术相比，本双向锥形外螺纹与传统螺纹连接副10的优点在于：设计合理，结构简单，通过内外圆锥形成的圆锥副定径直至过盈配合来实现紧固和连接功能，操作方便，锁紧力大，承力值大，防松性能良好，传动效率和精度高，机械密封效果好，稳定性好，能防止连接时出现松脱现象，具有自锁和自定位功能。
实施例二
如图3所示，本实施例的结构、原理以及实施步骤与实施例一类似，不同的地方在于，双螺母与被紧固工件130的位置关系不同，所述的双螺母包括螺母体21和螺母体22且螺栓体有大于螺杆体31的六角头部，当螺栓六角头部位于左侧，螺母体21、螺母体22均位于被紧固工件130的右侧，螺栓与双螺母工作时，螺母 体21、螺母体22与被紧固工件130之间的关系是非刚性连接，所述的非刚性连接是指两个螺母即螺母体21、螺母体22的相向侧面端面互为支承面，所述的支承面包括锁紧支承面111和锁紧支承面112，主要应用于非刚性材料或传动件等非刚性连接工件130或要通过双螺母安装满足需求等应用领域。所述的工件130是指包括工件130在内的被连接物体。
本实施例的螺纹工作支承面包括锥形螺纹支承面121和锥形螺纹支承面122，包括螺母体21与螺母体22，螺母体21右侧端面即锁紧支承面111与螺母体22左侧端面即锁紧支承面112相向直接接触并互为锁紧支承面，当螺母体21右侧端面是锁紧支承面111时，柱状母体3即螺杆体31即螺栓双向锥形螺纹1左侧螺旋状圆锥面是锥形螺纹支承面122，即传统内螺纹6特殊圆锥面42和锥形外螺纹9圆锥台体第一螺旋状圆锥面721是锥形螺纹支承面122且传统内螺纹6特殊圆锥面42与圆锥台体第一螺旋状圆锥面721互为支承面，当螺母体22左侧端面是锁紧支承面112时，柱状母体3即螺杆体31即螺栓双向锥形螺纹1右侧螺旋状圆锥面是锥形螺纹支承面121，即传统内螺纹6特殊圆锥面42和锥形外螺纹9圆锥台体第二螺旋状圆锥面722是锥形螺纹支承面121且传统内螺纹6特殊圆锥面42与圆锥台体第二螺旋状圆锥面722互为支承面。
本实施例中，当位于内侧的筒状母体2即与被紧固工件130相邻的螺母体21已经与柱状母体3即螺杆体31即螺栓有效结合在一起即组成锥形螺纹连接副10的内螺纹6与外螺纹9有效抱合在一起，位于外侧的筒状母体2即与被紧固工件130不相邻的螺母体22可以根据应用工况需要保持原状和/或拆卸掉而只留一只螺母(譬如当装备要求轻量化或不需要双螺母来确保连接技术可靠性等应用领域)，被拆除螺母体22不作为连接螺母使用而只是作为安装工艺螺母使用，所述的安装工艺螺母内螺纹除了是采用传统螺纹制造，还可以是采用能够与螺栓螺纹拧合的双向锥形螺纹1和单向锥形螺纹制造的螺母体22，确保连接技术可靠性前提，所述的螺纹连接副10是一种闭环紧固技术系统即螺纹连接副10的内螺纹6与外螺纹9实现有效抱合在一起后螺纹连接副10将自成独立技术系统而不依赖于第三者的技术补偿来确保连接技术系统的技术有效性即即便没有其他物件的支持包括螺纹连接副10与被紧固工件130之间有间隙也不会影响螺纹连接副10的有效性， 这将有利于大大减轻装备重量，去除无效载荷，提升装备的有效载荷能力、制动性能、节能减排等等技术需求，这是本双向锥形外螺纹与传统螺纹的连接结构的螺纹连接副10与被紧固工件130的关系无论是非刚性连接还是刚性连接时所独具的而其他螺纹技术不具备的螺纹技术优势。
本实施例中，当螺栓六角头部位于右侧，则螺母体21、螺母体22均位于被紧固工件130的左侧，其结构、原理以及实施步骤与本实施例类似。
实施例三
如图4、图5所示，本实施例的结构、原理以及实施步骤与实施例一类似，不同的地方在于，本实施例中的非对称双向锥形螺纹1是左侧锥度95小于右侧锥度96，优选地，0°＜第一锥角α1＜53°，优选地，第一锥角α1取值为2°～40°；优选地，0°＜第二锥角α2＜53°，优选地，第二锥角α2取值为2°～40°，个别特殊领域，优选地，53°≤第二锥角α2＜180°，优选地，第二锥角α2取值为53°～90°。
实施例四
如图6、图7所示，本实施例的结构、原理以及实施步骤与实施例一、实施例三类似，不同的地方在于，本实施例中的柱状母体3上的螺杆体31包含两种类哑铃状94非对称双向锥形螺纹1的螺纹结构即螺杆体31的非对称双向锥形螺纹1是包含左侧锥度95小于右侧锥度96与左侧锥度95大于右侧锥度96两种锥度结构形式的类哑铃状94非对称双向锥形螺纹外螺纹9，螺杆体31的位于光杆20即非螺纹段左侧的螺纹段是类哑铃状94左侧锥度95小于右侧锥度96的非对称双向锥形外螺纹9，即外螺纹9与位于工件130左侧的筒状母体2即螺母体21相互螺纹配合的螺纹段是类哑铃状94非对称双向锥形外螺纹9且左侧锥度95小于右侧锥度96，螺杆体31的位于光杆20即非螺纹段右侧的螺纹段是类哑铃状94左侧锥度95大于右侧锥度96的非对称双向锥形外螺纹9，即外螺纹9与位于工件130右侧的筒状母体2即螺母体22相互螺纹配合的螺纹段是类哑铃状94非对称双向锥形外螺纹9且左侧锥度95大于右侧锥度96。
本实施例的也可以采用包括上述的柱状母体3的螺杆体31的光杆20即非螺纹段左侧的螺纹段是类哑铃状94左侧锥度95大于右侧锥度96的非对称双向锥形外螺纹9和螺杆体31的光杆20即非螺纹段右侧的螺纹段是类哑铃状94左侧锥度95小于 右侧锥度96的非对称双向锥形外螺纹9，其结构、原理以及实施步骤与本实施例类似。
上述的螺杆体31采用类哑铃状94非对称双向锥形外螺纹9的何种混合结构形式，具体视应用需求而定。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了锥形螺纹1、筒状母体2、螺母体21、螺母体22、柱状母体3、螺杆体31、光杆20、特殊锥形孔4、特殊圆锥面42、内螺纹6、圆锥台体7、双向圆锥台体71、双向圆锥台体圆锥面72、圆锥台体第一螺旋状圆锥面721、第一锥角α1、圆锥台体第二螺旋状圆锥面722、第二锥角α2、外螺旋线8、外螺纹9、类哑铃状94、左侧锥度95、右侧锥度96、左向分布97、右向分布98、螺纹连接副和/或螺纹副10、游隙101、自锁力、自锁紧、自定位、压强、圆锥轴线01、螺纹轴线02、镜像、轴套、轴、单锥形体、双锥形体、圆锥体、内圆锥体、锥孔、外圆锥体、锥体、圆锥副、螺旋结构、螺旋运动、螺纹体、完整单元体螺纹、轴心力、轴心力角、反轴心力、反轴心力角、向心力、反向心力、反向共线、内应力、双向力、单向力、滑动轴承、滑动轴承副、锁紧支承面111、锁紧支承面112、锥形螺纹支承面122、锥形螺纹支承面121、非实体空间、材料实体、工件130、螺母体锁紧方向、非刚性连接、非刚性材料、传动件、垫片等等术语，但并不排除使用其它术语的可能性，使用这些术语仅仅是为了更方便地描述和解释本发明的本质，把它们解释成任何一种附加的限制都是与本发明精神相违背的。

Claims (10)

  1. 一种类哑铃状非对称双向锥形螺纹外螺纹与传统螺纹连接结构，包括相互螺纹配合的内螺纹(6)与外螺纹(9)，其特征是，所述的类哑铃状(94)非对称双向锥形外螺纹(9)其完整单元体螺纹是一种呈螺旋状中间小两端大且左侧锥度(95)与右侧锥度(96)不同的类哑铃状(94)非对称双向圆锥台体(71)，包括左侧锥度(95)大于右侧锥度(96)和左侧锥度(95)小于右侧锥度(96)两种锥度结构形式，所述的外螺纹(9)螺纹体是柱状母体(3)外表面呈螺旋状双向圆锥台体(71)并以“材料实体”形态存在，所述的内螺纹(6)螺纹体是筒状母体(2)内表面原传统内螺纹(6)牙体缘于与双向锥形外螺纹(9)抱合性接触而被其所同化形成的呈螺旋状特殊锥形孔(4)并以“非实体空间”形态存在，上述的非对称双向锥形外螺纹(9)的左侧锥面形成左侧锥度(95)对应第一锥角(α1)、右侧锥面形成右侧锥度(96)对应第二锥角(α2)，左侧锥度(95)与右侧锥度(96)方向相向且锥度不同，上述的内螺纹(6)与外螺纹(9)通过锥孔包容锥体直至内、外锥面相互承载，技术性能主要取决相互配合螺纹体锥面及锥度大小，左侧锥度(95)大于右侧锥度(96)，优选地，0°＜第一锥角(α1)＜53°，0°＜第二锥角(α2)＜53°，个别特殊领域，优选地，53°≤第一锥角(α1)＜180°；左侧锥度(95)小于右侧锥度(96)，优选地，0°＜第一锥角(α1)＜53°，0°＜第二锥角(α2)＜53°，个别特殊领域，优选地，53°≤第二锥角(α2)＜180°。
  2. 根据权利要求1的连接结构，其特征是，上述的类哑铃状(94)双向锥形外螺纹(9)包括双向圆锥台体圆锥面(72)的左侧圆锥面即圆锥台体第一螺旋状圆锥面(721)和右侧圆锥面即圆锥台体第二螺旋状圆锥面(722)和外螺旋线(8)，圆锥台体第一螺旋状圆锥面(721)和圆锥台体第二螺旋状圆锥面(722)即双向螺旋 状圆锥面形成的形状与以重合于柱状母体(3)中轴线的具有下底边相同且上底边相同但直角边不同的两个直角梯形的上底边对称并相向接合的直角梯形结合体的直角边为回转中心周向匀速回转且该直角梯形结合体同时沿柱状母体(3)中轴线匀速轴向移动而由直角梯形结合体两条斜边形成的回旋体的螺旋外侧面形状相同。
  3. 根据权利要求2的连接结构，其特征是，上述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离为直角梯形结合体两个直角梯形直角边之和长度的至少一倍。
  4. 根据权利要求2的连接结构，其特征是，上述的直角梯形结合体匀速回转一周时所述的直角梯形结合体轴向移动的距离等于直角梯形结合体两个直角梯形直角边之和的长度。
  5. 根据权利要求1或2的连接结构，其特征是，上述的非对称双向锥形外螺纹(9)的左侧锥面和右侧锥面即圆锥台体第一螺旋状圆锥面(721)和圆锥台体第二螺旋状圆锥面(722)和外螺旋线(8)均为连续螺旋面或非连续螺旋面；上述的特殊锥形孔(4)有特殊圆锥面(42)且特殊圆锥面(42)为连续螺旋面或非连续螺旋面。
  6. 根据权利要求1的连接结构，其特征是，上述的外螺纹(9)是由具有下底面相同且上顶面相同但锥高不同的两个圆锥台体(7)的上顶面对称并相向相互接合且下底面处于双向圆锥台体(71)的两端且形成类哑铃状(94)非对称双向锥形螺纹(1)时包括分别与相邻双向圆锥台体(71)的下底面相互接合和/或或将分别与相邻双向圆锥台体(71)的下底面相互接合呈螺旋状而成类哑铃状(94)非对称双向锥形外螺纹(9)。
  7. 根据权利要求1的连接结构，其特征是，上述的传统螺纹包括三角形螺纹、梯形螺纹、锯齿形螺纹、矩形螺纹、圆弧螺纹中的任意一种，但不局限于上述几种，适用均可采用且包括其螺纹体即牙 体经过变形处理且这样的变形处理只有缘于与上述的双向锥形外螺纹(9)相互螺纹配合才能符合本发明技术精神的传统螺纹。
  8. 根据权利要求1的连接结构，其特征是，上述的双向锥形外螺纹(9)具有同化传统内螺纹(6)能力且包括单节螺纹体是不完整锥形几何体即单节螺纹体是不完整单元体螺纹，被其同化后的传统内螺纹(6)是一种异化传统螺纹即其螺纹体是特殊形式锥形螺纹(1)，上述的内螺纹(6)与外螺纹(9)组成螺纹副(10)是由呈螺旋状双向圆锥台体(71)与呈螺旋状特殊锥形孔(4)相互配合组成一节节圆锥副形成螺纹副(10)且特殊圆锥面(42)与圆锥台体第一螺旋状圆锥面(721)和圆锥台体第二螺旋状圆锥面(722)是以接触面为支承面在螺旋线的引导下内圆锥与外圆锥内外径定心直至双向圆锥台体圆锥面(72)与特殊圆锥面(42)抱合达到螺旋状圆锥面一个方向承载和/或螺旋状圆锥面两个方向同时承载和/或直至定径自定位接触和/或直至定径过盈接触产生自锁。
  9. 根据权利要求1的连接结构，其特征是，上述的柱状母体(3)可以是实心或空心的，包括圆柱体和/或非圆柱体等需要在其外表面加工双向锥形外螺纹(9)的工件和物体，上述的外表面包括圆柱面和/或锥面等非圆柱面等外表面几何形状，上述的柱状母体(3)的螺杆体(31)设有包括类哑铃状(94)左侧锥度(95)大于右侧锥度(96)的非对称双向锥形外螺纹(9)和/或类哑铃状(94)左侧锥度(95)小于右侧锥度(96)的非对称双向锥形外螺纹(9)等一种和/或两种的类哑铃状(94)非对称双向锥形螺纹(1)，当一个筒状母体(2)已经与柱状母体(3)有效结合在一起即组成锥形螺纹连接副(10)的内螺纹(6)与外螺纹(9)有效抱合在一起，另外的筒状母体(2)可以拆除和/或保留，被拆除筒状母体(2)作为安装工艺螺母使用，其内螺纹包括传统螺纹，还可以采用能够与柱状母体(3)螺纹拧合的单向锥形螺纹及双向锥形螺纹(1)制造。
  10. 根据权利要求1的连接结构，其特征是，上述的外螺纹(9)包括单节螺纹体是不完整锥形几何体即单节螺纹体是不完整单元体螺纹。
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