WO2019192560A1 - 类橄榄状非对称双向锥形螺纹内螺纹与传统螺纹连接结构 - Google Patents

类橄榄状非对称双向锥形螺纹内螺纹与传统螺纹连接结构 Download PDF

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Publication number
WO2019192560A1
WO2019192560A1 PCT/CN2019/081384 CN2019081384W WO2019192560A1 WO 2019192560 A1 WO2019192560 A1 WO 2019192560A1 CN 2019081384 W CN2019081384 W CN 2019081384W WO 2019192560 A1 WO2019192560 A1 WO 2019192560A1
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Prior art keywords
thread
tapered
taper
spiral
conical
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PCT/CN2019/081384
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English (en)
French (fr)
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游奕华
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游奕华
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Application filed by 游奕华 filed Critical 游奕华
Publication of WO2019192560A1 publication Critical patent/WO2019192560A1/zh
Priority to US17/035,978 priority Critical patent/US20210010519A1/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
    • F16B33/02—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
    • 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
    • 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
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts

Definitions

  • the invention belongs to the general technical field of equipment, in particular to an olive-like asymmetric bidirectional tapered thread internal thread and a conventional threaded connection structure (hereinafter referred to as "two-way tapered internal 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, the greater the mechanical advantage (see Figure 9) (Yang Jingshan, Wang Xiuya , “Discussion on the Principles of Screws", “Gaussian Arithmetic Research”).
  • the "bevel principle" of modern thread is a slope slider model based on the law of slope (see Figure 10). It is believed that when the static load and temperature change are not large, when the angle of the thread is less than or equal to the equivalent friction angle, the thread The deputy has a self-locking condition.
  • the angle of the thread (see Figure 11), also known as the thread lead angle, is the angle between the tangent of the helix on the medium-diameter cylinder and the plane perpendicular to the axis of the thread, which affects the self-locking and anti-looseness 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 internal thread and a conventional thread with reasonable design, simple structure, good connection performance and locking performance.
  • the connection structure of the bidirectional tapered internal thread and the conventional thread is a threaded connection pair composed of an asymmetric bidirectional tapered thread internal thread and a conventional thread external thread, which is a kind Specially developed the thread pair technology of the conical pair and the spiral motion technology.
  • the bidirectional taper thread internal 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, that is, two single cones whose left side taper is opposite to the right side taper direction and different in taper shape.
  • the above two-way cone body is spirally distributed inside the inner surface of the cylindrical base body.
  • the complete unit body thread is a kind of spiral-shaped and the middle large end is small, including the left side taper is larger than the right side taper and / or the left side taper is smaller than the right side taper, the olive-like asymmetrical special bidirectional tapered geometry .
  • the bidirectional tapered internal thread and the conventional thread, the olive-like asymmetric bidirectional tapered internal thread includes two forms of a left side taper larger than a right side taper and a left side taper smaller than a right side taper, and the definition can be expressed as: On an inner surface of a cylinder or cone, an asymmetric bidirectional tapered hole having a defined left side taper and a right taper and a left side taper opposite to the right side taper and having a different taper is continuously and/or discontinuously distributed along the helix An olive-like special bidirectional tapered geometry with a small spiral at the center and a small end.
  • the screw head and the screw tail of the asymmetric bidirectional taper thread may be incomplete bidirectional tapered geometry. 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 tapered internal thread and the conventional thread include a bidirectional tapered hole spirally distributed on the inner surface of the cylindrical mother body, that is, an external thread and an internal thread which are mutually threaded, and the internal thread is a spiral bidirectional tapered hole and
  • the external thread is in the form of a spiral special 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 containment member: the bi-directional tapered internal thread, that is, the bi-directional tapered hole, the special conical body formed by the contact of the traditional external thread with the internal thread of the bi-directional taper thread, the internal thread and the external thread are one
  • One section is screwed together and hung together until one side of the two-way bearing or the left side of the right side is simultaneously bidirectionally loaded or until the sizing and interference fit. Whether the two sides are simultaneously bidirectionally loaded is related to the actual working condition of the application, that is, the bidirectional tapered hole
  • the section contains a special conical shape, 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 inner tapered surface of the bidirectional tapered thread inner cone is a bidirectional conical surface
  • the joint surface of the bidirectional tapered internal thread inner conical surface and the conventional external thread special conical surface is the support surface, that is, the conical surface is used as the support surface.
  • the performance of the connection technology, the ability of the thread pair self-locking, self-positioning, reusability and fatigue resistance mainly depends on the internal thread conical surface and the taper of the connection structure of the two-way tapered internal thread and the conventional thread.
  • the conventional external thread of the thread is a non-toothed thread due to the special outer taper and taper formed by contact with the bidirectional tapered internal thread.
  • the one-way force distributed on the inclined surface and the internal and external threads are different from the meshing relationship between the internal tooth and the external tooth.
  • the two-way tapered internal thread is different from the traditional thread and the internal 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 bi-conical internal thread and the conical principle of the traditional threaded connection structure represent the axial force and the anti-axis force, both of which are synthesized by the two-way force, the axial force and the corresponding counter-axis force
  • the top, the internal thread and the external thread are in a cohesive relationship, that is, the threaded pair is held by the internal thread, that is, the external thread, that is, a section of the tapered hole (the inner cone) is entangled with the corresponding section cone (outer cone) until it is fixed
  • the self-locking is realized by the diameter matching or the sizing interference contact, that is, the self-locking of the inner cone and the outer cone by the tapered hole and the special cone are realized, and the self-locking or self-positioning of the inner cone and the outer cone are realized.
  • Lock or self Positioning rather than the traditional threaded internal thread and the external thread, constitutes a threaded connection pair to achieve the threaded connection performance by mutually a
  • 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 axial force cross-section through the conical axis is mirror-directionally distributed on both sides of the conical axis and perpendicular to the two-dimensional line of the cone
  • the two centripetal forces pointing or speaking to the common point of the conical axis and when the above-mentioned cone and spiral structure are combined into a thread and applied to the thread pair the above-mentioned axial force cross-section through the thread axis is centered on the thread axis
  • the mirror image and/or the approximate mirror image are bidirectionally distributed on both sides of the thread axis and respectively perpendicular to the two prime lines of the cone and directed or pressed against a common point of the thread axis and/or approximately centripetal forces, said axis
  • the force is distributed in an axially and circumferentially manner on the conical axis and/or the thread axis, and the axial force correspond
  • 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, and the axial force angle and/or the anti-axis force angle are equal to or less than 127° and greater than 0°, then the cone pair is weak in self-locking and/or non-self.
  • the lock-in 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, and the axial load The ability is in the direction of increasing trend until the axial load 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 restricts the disordered degree of freedom between the tapered hole and the special outer cone.
  • the helical motion makes the bidirectional tapered internal thread and the traditional threaded connection structure obtain the necessary order degree of freedom, which is effectively synthesized.
  • the technical characteristics of the conical pair and the thread pair form a new thread technology.
  • the two-way tapered internal thread and the traditional thread have a special conical surface of a conventional external thread and a bidirectional tapered conical surface of the bidirectional tapered thread internal thread.
  • the bidirectional tapered internal thread and the conventional thread, the bidirectional tapered internal thread, that is, the tapered hole, is not any taper or any taper angle, and the self-locking and/or self-positioning of the threaded connection pair can be realized, and the inner cone must reach a certain taper.
  • a certain taper angle, the bi-directional taper internal thread and the conventional threaded connection structure are self-locking and self-positioning, the taper includes a left side taper and a right side taper, and the left side taper corresponds to the left side taper angle
  • the first taper angle ⁇ 1 and the right taper correspond to the right taper angle, that is, the second taper angle ⁇ 2.
  • the first taper angle ⁇ 1 takes a value of 2° to 40°
  • the specific taper angle is preferably 53° ⁇ the first taper angle ⁇ 1 ⁇ 180°, preferably, the first taper angle ⁇ 1 is 53° to 90°
  • 0° ⁇ second taper angle ⁇ 2 ⁇ 53° preferably, the second taper 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 internal thread and the traditional thread, the internal thread is disposed on the inner surface of the cylindrical body, wherein the cylindrical body has a nut body, and the inner surface of the nut is spirally distributed a tapered hole, the tapered hole includes a bidirectional tapered hole, and the cylindrical body comprises a workpiece and an object such as a cylinder and/or a non-cylindrical body, which are required to machine internal threads on the inner surface thereof,
  • the inner surface includes an inner surface geometry such as a cylindrical surface and a non-cylindrical surface such as a conical surface.
  • the bidirectional tapered internal thread and the traditional thread, the asymmetric bidirectional tapered hole is an internal thread, and is characterized by being a bottom surface of two tapered holes having the same lower bottom surface and the same upper top surface but different cone heights. Symmetrically and oppositely joined to each other in a spiral shape and the upper top surface is at both ends of the bidirectional tapered hole and forms an olive-like asymmetric bidirectional tapered thread, respectively comprising mutually engaging the upper top surface of the adjacent bidirectional tapered hole And/or or may be respectively threaded into a spiral shape with the upper top surface of the adjacent bidirectional tapered hole, the internal thread comprising a tapered first conical conical surface and a conical second conical conical The face and the inner helix, in the section passing through the axis of the thread, the complete single-section asymmetric bidirectional taper internal thread is an olive-like special bidirectional tapered geometry with a large intermediate and small ends, the asymmetric bidirectional cone
  • the shape hole includes a bidirectional tapered hole
  • the first taper angle ⁇ 1 is opposite to the taper direction corresponding to the second taper angle ⁇ 2, and the plain line is the intersection of the cone surface and the plane passing through the cone axis, and the tapered hole of the bidirectional tapered hole is first
  • the spiral conical surface and the tapered second conical conical surface are formed in a shape symmetrical with the lower base of two right-angled trapezoids which are identical to the central axis of the cylindrical parent body and have the same lower bottom side but the upper side is different but the right side is different
  • the right-angled side of the right-angled trapezoidal combination body which is oppositely joined is a circumferentially uniform rotation of the center of rotation, and the right-angled trapezoidal body simultaneously moves axially along the central axis of the cylindrical parent body, and the rounded body formed by the two oblique sides of the right-angled trapezoidal combination body
  • the shape of the outer side of the spiral is the same, and the right-angled trapezoidal combination means that the lower bottom sides of the two right
  • the two-way tapered internal thread has the unique technical characteristics and advantages of the tapered body, that is, the tapered body, and has the ability to strongly assimilate the different kinds of threads, that is, has the ability to convert the traditional thread assimilation with it.
  • 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 external 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 special tapered body of the conventional external thread forming the threaded connection pair of the two-way tapered internal thread contact portion can be matched with the outer surface of the tapered threaded conical surface, that is, the special cone has a special conical surface, With the increase in the number of times of screwing, the effective conical surface area of the special conical surface on the special external thread of the conventional external thread will increase continuously, that is, the special conical surface will continue to increase and tend to be more conical with the biconical tapered internal thread conical hole conical surface.
  • the change of the direction of the large contact surface substantially forms a special cone which has the technical spirit of the present invention although the tapered geometry is incomplete.
  • the special cone is a conventional external thread and a bidirectional cone.
  • the threaded body formed by the assimilation of the internal thread is a special tapered geometry transformed from a conventional external threaded tooth, the special cone described above
  • the outer radial surface of the body has a special conical surface which can match the conical surface of the bidirectional conical hole, that is, the threaded connecting pair is formed by a special outer tapered surface which is spiral, that is, a conventional external thread edge and a bidirectional tapered internal thread.
  • the special conical surface formed by the contact and the inner conical surface of the spiral inner cone surface that is, the bidirectional conical internal thread, cooperate to form a conical pair to form a thread pair, and the inner conical surface, that is, the inner conical surface of the inner cone, is bidirectional
  • the spiral conical surface of the tapered internal thread taper is a bidirectional conical surface, and the conventional thread assimilated by it is a specialized traditional thread. It is a special form of tapered thread.
  • This special form of tapered threaded outer cone The special conical surface of the conventional external thread first appears in the form of a line, and the external conical surface gradually increases as the conventional external thread cusp contacts the bidirectional tapered internal thread conical hole, that is, the special external thread special
  • the conical surface is changed from the microscopic surface (the macroscopic line) to the macroscopic surface. It can also be directly matched with the bidirectional tapered internal thread at the cusp of the conventional external thread. Surfaces, which are in line with the technical spirit of the present invention.
  • the bidirectional tapered internal 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 special cone which is spirally distributed
  • the special conical body refers to a special conical body formed by the contact of a conventional external thread with a bidirectional tapered internal thread.
  • the special conical body has a special conical surface, and the columnar parent body may be solid or hollow, including a cylinder and / or non-cylindrical workpieces and objects that need to be machined on their outer surface, the outer surface includes outer surface geometries such as cylindrical surfaces and conical surfaces.
  • 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 internal thread and the conventional thread adopt a conventional threaded bolt and a bidirectional taper thread double nut connection structure and are rigidly connected with the workpiece to be fastened, and the tapered thread 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 to be fastened, and the right end surface of the cylindrical body, that is, the left nut body, is the left side nut body and the locking support surface of the workpiece to be fastened, and the left side nut body is bidirectional.
  • the right spiral conical surface of the tapered thread is a tapered threaded bearing surface, that is, the bidirectional tapered internal thread tapered hole, the second spiral conical surface and the conventional external thread
  • the special conical surface is a tapered threaded bearing surface and a tapered hole
  • the two spiral conical surfaces and the special external conical surface of the common external thread are the supporting surfaces, and when the cylindrical parent 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 of the cylindrical mother body, that is, the right side nut body
  • the left spiral conical surface of the bidirectional taper thread of the right nut body is a tapered thread bearing surface, that is, the bidirectional tapered inner thread taper hole a spiral conical surface
  • the special external threaded special conical surface is a tapered threaded bearing surface and the first spiral conical surface of the conical hole and the special con
  • the bidirectional tapered internal thread and the conventional thread adopt a connection structure of a conventional threaded bolt and a bidirectional tapered 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 left spiral conical surface of the nut body bidirectional tapered thread is a tapered threaded bearing surface, that is, the bidirectional tapered internal thread tapered hole first spiral conical surface and the conventional external thread special conical surface is a tapered threaded bearing surface and
  • the first spiral conical surface of the tapered hole and the special conical surface of the conventional external thread 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 Side, when the bolt and the single nut are connected, the left end surface of the workpiece and the right end surface of the nut body are the locking support surface of the nut body and the workpiece to be fastened, and the right side of the nut body is bidirectionally tapered.
  • the tapered surface is a tapered threaded bearing surface, that is, the bidirectional tapered internal threaded tapered hole, the second spiral conical surface and the conventional external thread
  • the special conical surface is a tapered threaded bearing surface and the tapered hole has a second spiral conical surface and a conventional outer surface.
  • the special conical faces of the threads are the bearing faces of each other.
  • the bidirectional tapered internal thread and the conventional thread adopt a connection structure of a conventional threaded bolt and a bidirectional tapered threaded double nut, and the non-rigid connection with the workpiece to be fastened is different, and the cylindrical thread supporting surface is different, and the cylindrical body includes the left The side 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 the right end surface of the left nut body is locking support
  • the right spiral conical surface of the left-hand nut body bi-directional taper thread is a tapered thread-supporting surface, that is, the bi-directional tapered inner-thread taper hole second spiral-shaped conical surface and the conventional external thread special conical surface are tapered
  • the threaded bearing surface and the second spiral conical surface of the tapered hole and the special conical surface of the conventional external thread are mutually supporting surfaces, and when the left end surface of the right nut body is the locking supporting
  • the bidirectional tapered internal thread and the conventional thread adopt a conventional threaded bolt and a bidirectional taper thread double nut connection structure and are non-rigidly connected with the workpiece to be fastened, the tapered thread bearing surface is different, and the cylindrical body includes the left side. a nut body and a right nut body and two cylindrical bodies, that is, a spacer such as a gasket between the left 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 The indirect contact is indirectly contacted by the spacers, thereby indirectly locking the bearing surfaces.
  • the right side spiral conical surface of the left-hand nut body bi-directional taper thread is a tapered thread-supporting surface, that is, the bi-directional tapered internal thread taper hole second spiral conical surface and the conventional external thread special conical surface is a cone
  • the threaded bearing surface and the second spiral conical surface of the tapered hole and the special conical surface of the conventional external thread 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 side of the right nut body
  • the end face is the locking branch of the right nut body
  • the left spiral conical surface of the right-hand nut body bi-directional taper thread is a tapered thread-supporting surface, that is, the bi-directional tapered internal thread tapered hole first spiral conical
  • 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 utility model does not require double nuts to ensure the reliability of the connection technology.
  • the removed nut body is not used as a connecting nut but only as a mounting process nut.
  • the internal thread of the mounting process nut is manufactured by using a bidirectional taper thread. It may be a nut body made of a conventional thread made of a one-way tapered thread and a thread that can be screwed with a bolt, that is, a conventional thread including a triangular thread, a trapezoidal thread, a zigzag thread, etc., but is not limited to the above, and may be applied.
  • the threaded connection pair is a closed-loop fastening technology system, that is, a threaded connection pair.
  • the threaded connection pair will be self-contained independent technical system without relying on the technical compensation of the third party to ensure the technical validity of the connection technology system, even if there is no other object support including the threaded connection pair and the There is a gap between the fastening workpieces, which will not affect the effectiveness of the threaded coupling pair.
  • This will 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 threading technology advantage that the connection structure of the two-way tapered internal thread and the conventional thread is related to the workpiece to be fastened, whether it is a non-rigid connection or a rigid connection, and which is not possessed by other thread technologies.
  • the bidirectional tapered internal thread is connected with the conventional thread, and is connected by a bidirectional tapered hole to a special taper of a conventional external thread, and is bidirectionally supported.
  • the bidirectional tapered hole and the conventional There must be clearance between the special taper of the external thread. If there is oil lubrication between the internal thread and the external thread, it will easily form the oil bearing film. The clearance is favorable for the formation of the oil film.
  • This bidirectional tapered internal thread and the traditional Thread, applied to 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 bidirectional tapered internal thread is bidirectionally contained corresponding to a conventional external thread, forming a pair of sliding bearings
  • the number of sliding bearings is adjusted according to the application conditions, that is, the bidirectional tapered internal thread and the external external thread are effectively bidirectionally engaged, that is, the effective two-way contact is accommodated and the number of contained threads is divided, and the tapered internal thread is designed according to the application condition.
  • the tapered hole accommodates a special externally threaded special cone and is positioned in multiple directions such as radial, axial, angular, circumferential, etc., preferably through a bidirectional tapered bore.
  • the special cone shape and the radial and circumferential main positioning are supplemented by the axial and angular auxiliary positioning to form the inner and outer cones in multiple directions until the bidirectional tapered hole conical surface and the special conical special conical surface are realized.
  • Self-locking from self-positioning or until sizing interference contact constitutes a special combination of cone and thread pair technology, ensuring the accuracy, efficiency and reliability of the tapered thread technology, especially the two-way tapered internal thread and the traditional thread drive connection.
  • the bearing is carried in one direction and/or the two directions are simultaneously carried respectively, that is, the bidirectional tapered hole is guided by the spiral and the inner and outer diameters of the outer outer cone of the special external thread are centered until the first spiral of the tapered hole
  • the conical surface is entangled with a special conical surface of a conventional external thread until the interference contact and/or the second spiral conical surface of the conical hole is entangled with the special conical surface of the conventional external thread to the interference contact, ie through the cone
  • the internal thread bidirectional inner cone accommodates the self-
  • the first spiral conical surface and the left taper formed thereof that is, the corresponding first taper angle ⁇ 1 and the conical hole second spiral conical surface and the right taper formed thereof, that is, the corresponding second taper angle ⁇ 2
  • 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-angled trapezoidal combination body is axially moved at a uniform speed, and the distance of the right-angled trapezoidal coupling body is the same as that of the lower bottom edge and the upper bottom edge is the same but the right angle 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 tapered hole and the second spiral conical surface of the conical hole have sufficient length to ensure sufficient effective contact area when the bidirectional conical hole conical surface cooperates with the special external conical surface of the conventional external thread and Strength and efficiency required for spiral motion.
  • the right angle trapezoidal combination body is axially moved by a distance equal to the same as the lower base and the upper side is the same but the right side is different.
  • the bidirectional tapered internal thread and the conventional thread, the tapered first conical conical surface and the tapered second conical conical surface are continuous spiral faces or non-continuous spiral faces.
  • the bidirectional tapered internal thread and the conventional thread, the special conical surface of the special cone 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, and the tapered internal thread is passed through
  • a spiral conical surface is in contact with a special conical surface of a conventional external thread and/or an interference fit and/or a second conical surface of the conical internal thread is in contact with a special conical surface of a conventional external thread and/or an interference fit Threaded connection.
  • one end of the columnar base 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 base 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 tapered internal thread and the traditional thread has the advantages of reasonable design, simple structure, and bifurcated bidirectional bearing or sizing straight formed by centering the inner and outer conical 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 an olive-like (left taper than the right taper) asymmetric bidirectional taper thread double nut and a conventional threaded bolt according to the first embodiment of the present invention.
  • FIG. 2 is a schematic view showing the olive-like (left taper than the right taper) asymmetric bidirectional taper thread internal 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 an olive-like (left taper than the right taper) asymmetric bidirectional taper thread double nut and a conventional threaded bolt according to the second embodiment of the present invention.
  • FIG. 4 is a schematic view showing the connection structure of an olive-like (left taper to the right taper) asymmetric bidirectional taper thread double nut and a conventional threaded bolt according to the third embodiment of the present invention.
  • FIG. 5 is a schematic view showing the olive-like (left taper to the right taper) asymmetric bidirectional taper thread internal thread and its complete unit body thread structure according to the third embodiment of the present invention.
  • FIG. 6 is a double nut mixing combination of the fourth embodiment provided by the present invention, that is, an olive-like (left taper is larger than the right taper) asymmetric bidirectional taper thread nut body and an olive-like shape (the left taper is smaller than the right taper).
  • FIG. 7 is a schematic view showing the nut body of the fourth embodiment of the present invention having an olive-shaped (left side taper than the right side taper) asymmetric bidirectional tapered internal thread and a complete unit body thread structure.
  • FIG. 8 is a schematic view showing the nut body of the fourth embodiment of the present invention having an olive-shaped (the left side taper is smaller than the right side taper) asymmetric bidirectional tapered internal thread and a complete unit body thread structure thereof.
  • Figure 9 is a graphical representation of "the thread of the prior art thread technology is a bevel on a cylindrical or conical surface" as referred to in the background art of the present invention.
  • Fig. 10 is a view showing the "principal thread technology principle - the bevel slider model of the bevel principle" involved in the background art of the present invention.
  • Figure 11 is a graphical representation of "thread angles of prior art threading techniques" as 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 body 3, the screw body 31, the tapered hole 4, the bidirectional tapered hole 41, the bidirectional tapered hole conical surface 42, the taper
  • the embodiment adopts a connection structure of an asymmetric bidirectional tapered internal thread 6 and a conventional external thread 9, and the bidirectional tapered internal thread and the conventional threaded connection 10, which are spirally distributed in the cylinder.
  • the bidirectional tapered hole 41 of the inner surface of the precursor 2 and the conventional external thread 9 are formed by a special cone 7 which is spirally distributed on the outer surface of the columnar body 3, which is formed in contact with the bidirectional tapered thread internal thread 6, that is, includes each other Threaded external thread 9 and internal thread 6, the internal thread 6 is distributed in a spiral bidirectional tapered hole 41, the internal thread 6 is in the form of a spiral bidirectional tapered hole 41 and exists in a "non-physical space" form,
  • the thread 9 is in the form of a spiral special cone 7 and is in the form of a "material solid".
  • the internal thread 6 and the external thread 9 are in the relationship of the containing member and the contained member: the internal thread 6 and the external thread 9 are one-piece screw
  • the sleeve is hung together until the interference fit, that is, the bi-directional tapered hole 41 includes a special taper 7 formed by the contact of the conventional external thread 9 with the bidirectional tapered internal thread 6, and the bidirectional containment restricting the tapered hole 4 between the conventional external thread 9 and the special cone 7 Sequence freedom, letting a helical movement with a conventional internal thread bi-tapered threaded connection sub 10 obtains the degree of freedom must be ordered, and efficient synthesis of the cone sub-thread pair technical features.
  • the bi-directional tapered internal thread in this embodiment and the conventional threaded coupling pair 10 cooperate with the special conical body 7 of the conventional external thread 9 in the use of the special conical surface 72.
  • the asymmetrical bidirectional tapered internal thread in this embodiment reaches a certain taper with the tapered hole 4 described in the conventional threaded coupling pair 10, that is, the cone reaches a certain taper angle, and the threaded coupling pair 10 is self-locking 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 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 external thread 9 is disposed on the outer surface of the columnar parent body 3, wherein the columnar base body 3 has a screw body 31, and the outer surface of the screw body 31 is provided with a conventional external thread 9, and the conventional external thread 9 is Refers to other geometrical threads including a triangular thread, a trapezoidal thread, a zigzag thread, etc., which can be screwed with the above-described bidirectional tapered thread 1 to form a threaded coupling pair 10, when the conventional external thread 9 and the bidirectional tapered internal thread 6 are combined to form a threaded connection.
  • the pair 10, the conventional external thread 9 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 internal thread 6 to form the threaded coupling pair 10
  • the special conical body 7 of the conventional external thread 9 has a special conical surface 72 on the special conical body 7.
  • the effective conical surface area of the special conical surface 72 on the special conical body 7 of the conventional external thread 9 will Increasingly, the special conical surface 72 will continue to increase and tend to have a larger contact surface change with the conical bore conical surface 42 of the bi-directional tapered internal thread 6, essentially forming a shape in which the tapered geometry is incomplete but
  • the outer conical surface, that is, the special conical surface 72 of the conventional external thread 9 first appears in the form of a line and is in contact with the taper hole 4 of the conventional external thread 9 and the bidirectional taper thread internal thread 6 The number of times of use increases and the outer tapered surface gradually increases.
  • the special conical surface 72 of the conventional external thread 9 is continuously changed from the line to the surface, and can be directly processed at the cusp portion of the conventional external thread 9 and the bidirectional tapered internal thread 6
  • the matching outer tapered surface which is in accordance with the technical spirit of the present invention, may be solid or hollow, including cylinders, cones, tubes, etc., workpieces and objects that need to be machined on the outer surface thereof. .
  • 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 inner surface of the nut body 21 and the nut body 22 are a spirally-shaped tapered hole 4 including an asymmetrical bi-directional tapered hole 41, the cylindrical-shaped parent body 2 including a cylindrical body and/or a non-cylindrical body, etc., which are required to machine internal threads on the inner surface thereof And objects.
  • the olive-like 93 asymmetric bidirectional tapered hole 41 is characterized in that: the bottom surfaces of the two tapered holes having the same lower bottom surface and the same upper top surface but different cone heights are symmetrically and oppositely joined.
  • the upper top surface is at both ends of the bidirectional tapered hole 41 and forms the bidirectional tapered thread 1 including the upper top surface of the adjacent bidirectional tapered hole 41 and/or the adjacent bidirectional tapered hole 41, respectively.
  • the upper top surface is joined to each other, and the internal thread 6 includes a tapered first spiral conical surface 421 and a tapered second conical surface 422 and an inner spiral 5, in a section passing through the thread axis 02,
  • the complete single-section asymmetric bidirectional tapered internal thread 6 is a special bidirectional tapered geometry of an olive-like shape 93 having a small intermediate end and a tapered taper on the left side and a taper of the right tapered hole.
  • the shape of the hole 41 includes a bidirectional tapered hole conical surface 42, and the left conical surface, that is, the conical hole of the first spiral conical surface 421, forms an angle formed by the first cone angle ⁇ 1, and the conical hole first spiral
  • the conical surface 421 forms a left side taper 95 and has a leftward distribution 97, and the right conical surface is a tapered hole.
  • the two plain lines of the two spiral conical surface 422 form an angle of the second taper angle ⁇ 2, and the second spiral conical surface 422 of the tapered hole forms a right taper 96 and a rightward distribution 98, the first cone
  • the angle ⁇ 1 is opposite to the taper direction corresponding to the second taper angle ⁇ 2, which is the intersection of the conical surface and the plane passing through the conical axis 01
  • the tapered spiral of the bidirectional tapered hole 41 is the first spiral conical
  • the surface 421 and the tapered second conical conical surface 422 are formed in a shape symmetrical with the lower base of two right-angled trapezoids which are identical to the central axis of the cylindrical parent body 2 and have the same lower bottom side but the upper side is different but the right side is different.
  • the right-angled side of the right-angled trapezoidal combination body which is oppositely joined is a revolving body formed by the right-angled rotation of the center of rotation and the right-angled trapezoidal combination simultaneously moves axially along the central axis of the cylindrical parent body 2 and is formed by two oblique sides of the right-angled trapezoidal combination body.
  • the shape of the outer side of the spiral is the same, and the right-angled trapezoidal combination means that the lower bottom sides of the two right-angled trapezoids having the same lower bottom edges and the same upper bottom edges but different right-angled sides are symmetric and oppositely joined and the upper bottom edges are respectively at right angles.
  • Trapezoidal combination The special geometry of the end.
  • the embodiment adopts an asymmetrical bidirectional tapered internal thread 6 double nut and a conventional external thread 9 bolt connection structure, and the nut body 21 and the nut body 22 are respectively located on the left side and the right side of the workpiece 130 to be fastened, and the bolt and the double
  • the relationship with the workpiece 130 to be fastened is a rigid connection
  • 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 thread working support surface of the embodiment is different, and includes a tapered threaded bearing surface 121 and a tapered threaded bearing surface 122.
  • the right end surface of the nut body 21 is the nut body 21 and
  • the right spiral conical surface of the bidirectional tapered thread 1 of the nut body 21 is a tapered threaded bearing surface 122, that is, the tapered internal thread 6 has a tapered hole and a second spiral cone.
  • Face 422 and conventional external thread 9 special conical surface 72 is a tapered threaded bearing surface 122 and the tapered second conical conical surface 422 and the conventional external thread 9 special conical surface 72 are mutually supporting surfaces when the workpiece 130 is fastened
  • the left side spiral conical surface of the bidirectional tapered thread 1 of the nut body 22 is a tapered threaded bearing surface.
  • the tapered internal thread 6 tapered hole first spiral conical surface 421 and the conventional external thread 9 special conical surface 72 is a tapered threaded bearing surface 121 and the tapered first spiral conical surface 421 and the conventional external thread 9
  • the special conical surfaces 72 are mutually supporting surfaces.
  • the bidirectional tapered internal thread is connected with the conventional thread, through the bidirectional tapered hole 41 and the conventional external thread 9 special conical body 7, the bidirectional bearing, the bidirectional tapered hole 41 and the conventional external thread 9 special cone There must be a play 101 between the 7, the play 101 is advantageous for carrying the oil film formation, and the threaded connection 10 is equivalent to a set of sliding bearing pairs consisting of one or several pairs of sliding bearings, that is, each two-way cone
  • the internal thread 6 is bidirectionally contained corresponding to a conventional external thread 9 to form a pair of sliding bearings, and the number of sliding bearings is adjusted according to the application condition, that is, the bidirectional tapered internal thread 6 is effectively bidirectionally engaged with the conventional external thread 9
  • the contact and the containment and the number of the threaded joints are designed to be bidirectionally accommodated by the tapered hole 4 to the conventional external thread 9 and the radial direction, the axial direction, the angular direction and the circumferential direction are ensured.
  • Tapered thread technology especially bi-
  • the technical performance is achieved by the screw connection of the bidirectional tapered hole 41 and the special external thread 9 of the special external thread 9, that is, the tapered hole first
  • the spiral conical surface 421 is sizing with a special conical surface 72 of the conventional external thread 9 until the interference and/or the tapered second conical conical surface 422 of the conventional external thread 9 is sizing to a specific conical surface 7 until the interference is achieved, according to the application
  • the working condition is carried in one direction and/or in two directions at the same time, that is, the bidirectional tapered hole 41 and the conventional external thread 9 are guided by the spiral.
  • the inner cone and the outer outer diameter of the outer cone are centered until the cone is guided by the spiral.
  • the first spiral conical surface 421 of the hole is entangled with the special conical surface 72 of the special external thread 9 to the interference cone 72 until the interference contact and/or the conical hole second conical conical surface 422 and the conventional external thread 9 special cone 7 special cone
  • the face 72 is held up to the interference contact, thereby achieving technical performances such as mechanical mechanism connection, locking, anti-loose, load bearing, fatigue and sealing.
  • the two-way tapered internal thread and the traditional threaded connection 10 mechanical mechanism, transmission accuracy, transmission efficiency, bearing capacity, self-locking locking force, anti-loose ability, sealing performance, reusability
  • 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 tapered internal thread and the traditional 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 conical hole first spiral conical surface 421 and the conical hole second spiral conical surface 422 have sufficient length to ensure the bidirectional tapered hole conical surface 42 and the conventional external thread 9 special conical body 7 special conical surface 72 has sufficient effective contact area and strength and the efficiency required for spiral motion.
  • the two-way tapered internal thread and the conventional thread, the right-angled trapezoidal combination body is rotated one time at a constant speed, and the right-angled trapezoidal combined body is axially moved by a distance equal to two having the same lower bottom edge and the same upper bottom edge but different right-angled sides.
  • the bidirectional tapered internal thread and the conventional thread, the tapered first conical conical surface 421 and the conical second conical conical surface 422 are both continuous spiral surfaces or non-continuous spiral surfaces.
  • the bidirectional tapered internal thread and the conventional thread may have one end and/or both ends of the columnar base 3 being screwed into the connecting end of the connecting hole of the cylindrical body 2, and the connecting hole is provided on the nut body 21. Threaded hole.
  • the two-way tapered internal thread and the conventional threaded connection pair 10 have the advantages of reasonable design and simple structure, and the fastening and connecting functions are realized by the conical sizing of 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 right end surface of the nut body 21 is the locking bearing surface 111
  • the right side spiral conical surface of the nut body 21 bidirectionally tapered thread 1 is a cone.
  • Threaded bearing surface 122 that is, tapered internal thread 6 tapered hole second spiral conical surface 422 and conventional external thread 9 special conical surface 7 2 is tapered threaded bearing surface 122 and tapered bore second helical conical surface 422
  • the special conical surface 72 of the conventional external thread 9 is a supporting surface with each other.
  • the left spiral conical surface of the bidirectional tapered thread 1 of the nut body 22 is a tapered threaded supporting surface.
  • the tapered internal thread 6 tapered hole first spiral conical surface 421 and the conventional external thread 9 special conical surface 72 is a tapered threaded bearing surface 121 and the tapered first spiral conical surface 421 and the conventional external thread 9
  • the special conical surfaces 72 are mutually supporting surfaces.
  • the removed nut body 22 is not used as a coupling nut but only as a mounting process nut, except for the internal thread of the mounting process nut. It is made of bi-directional taper thread, and can also be a nut body 22 made of one-way taper thread and other thread that can be screwed with the bolt, that is, a non-tapered thread including a triangular thread, a trapezoidal thread, a zigzag thread, or the like.
  • the threaded connection pair 10 is a closed loop fastening technology system, that is, the internal thread 6 and the external thread 9 of the threaded connection pair 10 are realized.
  • the threaded coupling 10 When held together, the threaded coupling 10 will be self-contained and independent of the technical compensation of the third party to ensure the technical effectiveness of the connection technology system, ie even without the support of other objects including the threaded coupling 10 and the workpiece being fastened There is a gap between 130 and it will not affect the effectiveness of the threaded connection pair 10, which will 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. It is the threading technology advantage that the relationship between the threaded connection pair 10 of the bidirectional tapered internal thread and the conventional thread and the workpiece 130 to be fastened is unique to the non-rigid connection or the rigid connection, and is not provided by other thread technologies.
  • 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 present embodiment are similar to those of the first embodiment and the third embodiment.
  • the difference is that the embodiment is in the first embodiment and the second embodiment.
  • the different olive-like 93 bidirectional tapered internal threads 6 with the left taper 95 greater than the right taper 96 and the left taper 95 smaller than the right taper 96 are respectively applied to the nut.
  • the internal thread 6 of the nut body 21 is an asymmetrical bidirectional tapered internal thread 6 having an olive-like shape 93 with a left side taper 95 greater than the right taper 96, and the internal thread 6 of the nut body 22 is an olive-like shape 93
  • the left taper 95 is smaller than the asymmetric bidirectional taper internal thread 6 of the right taper 96, and the specific combination is implemented according to the working conditions.
  • 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 tapered hole 4, the bidirectional tapered hole 41, and the bidirectional tapered hole conical surface are used more frequently herein. 42.

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Abstract

一种类橄榄状(93)非对称双向锥形螺纹(1)内螺纹(6)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，内螺纹(6)是筒状母体(2)内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)的类橄榄状(93)双向锥形孔(41)，具有同化传统外螺纹(9)能力，被同化后外螺纹(9)是柱状母体(3)外表面呈螺旋状特殊锥形体(7)，性能主要取决螺纹体的圆锥面及锥度大小，内、外螺纹(6,9)通过锥孔包容锥体由双向锥形孔(41)与特殊锥形体(7)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

类橄榄状非对称双向锥形螺纹内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，尤其是涉及一种类橄榄状非对称双向锥形螺纹内螺纹与传统螺纹连接结构(以下简称“双向锥形内螺纹与传统螺纹”)。
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 28.05.2019]　
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9)(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 28.05.2019]　
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10)，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11)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内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：本双向锥形内螺纹与传统螺纹的连接结构，是由非对称双向锥形螺纹内螺纹与传统螺纹外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内螺纹，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，即是由左侧锥度与右侧锥度 方向相反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筒状母体的内表面形成内螺纹，其完整单元体螺纹是一种呈螺旋状且中间大两端小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橄榄状的非对称特殊双向锥形几何体。
本双向锥形内螺纹与传统螺纹，所述的类橄榄状非对称双向锥形内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：“在圆柱或圆锥内表面上，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反且锥度不同的非对称双向锥形孔沿着螺旋线连续和/或不连续分布的呈螺旋状中间大两端小的类橄榄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。
本双向锥形内螺纹与传统螺纹，包括呈螺旋状分布于筒状母体内表面的双向锥形孔，即包括相互螺纹配合的外螺纹与内螺纹，内螺纹以呈螺旋状双向锥形孔并以“非实体空间”形态存在、外螺纹以呈螺旋状特殊锥形体并以“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：双向锥形内螺纹即双向锥形孔一节一节包容传统外螺纹缘于与双向锥形螺纹内螺纹的接触而形成的特殊锥形体，内螺纹与外螺纹是一节一节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，即双向锥形孔一节一节包容抱合特殊锥形体，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内圆锥体的内锥面为双向圆锥面，当所述的双向锥形内螺纹与传统螺纹组成螺纹连接副，是以双向锥形内螺纹内圆锥面与传统外螺纹特殊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内螺纹与传统螺纹的连接结构之内螺纹圆锥面及其锥度大小以及传统螺纹外螺纹缘于与双向锥形内螺纹接触而形成的特殊外锥面及锥度 ，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，本双向锥形内螺纹与传统螺纹，内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，本双向锥形内螺纹与传统螺纹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，即通过锥形孔与特殊锥形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，更限制锥形孔与特殊外锥体之间的无序自由度，螺旋运动又让双向锥形内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。
本双向锥形内螺纹与传统螺纹，在使用时传统外螺纹的特殊锥形体特殊圆锥面与双向锥形螺纹内螺纹的双向锥形孔圆锥面相互配合。
本双向锥形内螺纹与传统螺纹，双向锥形内螺纹即锥形孔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，内圆锥体必须达到一定锥度或者说一定锥角，双向锥形内螺纹与传统螺纹连接结构才具备自锁性和自定位性，所述的锥度包括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。
本双向锥形内螺纹与传统螺纹，所述的内螺纹设置在筒状母体内表面，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锥形孔，所述的锥形孔包括双向锥形孔，所述的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，所述的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。
本双向锥形内螺纹与传统螺纹，所述的非对称双向锥形孔即内螺纹，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锥形孔下底面对称并相向相互接合呈螺旋状而成螺纹且上顶面处于双向锥形孔的两端且形成类橄榄状非对称双向锥形螺纹时包括分别与相邻双向锥形孔的上顶面相互接合和/或或将分别与相邻双向锥形孔的上顶面相互接合呈螺旋状而成螺纹，所述的内螺纹包括锥形孔第一螺旋状圆锥面和锥形孔第二螺旋状圆锥面和内螺旋线，在通过螺纹轴线的截面内，其完整单节非对称双向锥形内螺纹是中间大且两端小的呈类橄榄状特殊双向锥形几何体，所述的非对称双向锥形孔包括双向锥形孔圆锥面，其左侧圆锥面即锥形孔第一螺旋状圆锥面的两条素线形成的夹角为第一锥角α1，锥形孔第一螺旋状圆锥面形成左侧锥度且呈左向分布，其右侧圆锥面即锥形孔第二螺旋状圆锥面的两条素线形成的夹角为第二锥角α2，锥形孔第二螺旋状 圆锥面形成右侧锥度且呈右向分布，所述的第一锥角α1与第二锥角α2所对应锥度方向相反，所述的素线是圆锥表面与通过圆锥轴线的平面的交线，所述的双向锥形孔的锥形孔第一螺旋状圆锥面和锥形孔第二螺旋状圆锥面形成的形状与以重合于筒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下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筒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下底边对称并相向接合且上底边分别处于直角梯形结合体两端的特殊几何体。
所述的双向锥形内螺纹因其螺纹体是锥形体即锥形孔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。
当传统外螺纹与双向锥形内螺纹配合组成螺纹连接副，此时的传统外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，其与双向锥形内螺纹接触部分形成所述的螺纹连接副的传统外螺纹的特殊锥形体的能与锥形螺纹螺旋状圆锥面相匹配的外表面，即特殊锥形体上有特殊圆锥面，随着拧合使用次数的增加，传统外螺纹的特殊锥形体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内螺纹锥形孔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体，进一步地说，所述的特殊锥形体是传统外螺纹缘于与双向锥形内螺纹抱合性接触而被其所同化形成的螺纹体，是 由传统外螺纹牙体转变而来的特殊锥形几何体，上述的特殊锥形体径向有能与双向锥形孔圆锥面相匹配的外表面即特殊圆锥面，即所述的螺纹连接副是由呈螺旋状的特殊外锥面即传统外螺纹缘于与双向锥形内螺纹接触而构成的特殊锥形体特殊圆锥面与呈螺旋状的内锥面即双向锥形内螺纹的内圆锥面相互配合构成圆锥副形成螺纹副，内圆锥面即内圆锥体的内锥面即双向锥形内螺纹锥形孔的螺旋状圆锥面为双向圆锥面，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外圆锥面即传统外螺纹的特殊圆锥面先以线的形态出现，并随着传统外螺纹牙尖与双向锥形内螺纹锥形孔接触使用次数增加而外锥面逐渐增加，即传统外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，也可以直接在传统外螺纹的牙尖部位加工出与双向锥形内螺纹相匹配的外锥面，这些都符合本发明技术精神。
本双向锥形内螺纹与传统螺纹，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，所述的螺杆体外表面上有呈螺旋状分布的特殊锥形体，所述的特殊锥形体是指传统外螺纹缘于与双向锥形内螺纹接触而构成的特殊锥形体，特殊锥形体上有特殊圆锥面，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。
本双向锥形内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。
本双向锥形内螺纹与传统螺纹，采取传统螺纹螺栓与双向锥形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，即被紧固工件的左侧端面、筒状母体即左侧螺母体的 右侧端面是左侧螺母体与被紧固工件的锁紧支承面时，左侧螺母体双向锥形螺纹的右侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第二螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第二螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面，当筒状母体位于被紧固工件右侧，即被紧固工件的右侧端面、筒状母体即右侧螺母体的左侧端面是右侧螺母体与被紧固工件的锁紧支承面时，右侧螺母体双向锥形螺纹的左侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第一螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第一螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面。
本双向锥形内螺纹与传统螺纹，采取传统螺纹螺栓与双向锥形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的右侧，螺栓与单螺母连接结构工作时，工件的右侧端面、螺母体的左侧端面是螺母体与被紧固工件的锁紧支承面，螺母体双向锥形螺纹的左侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第一螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第一螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面；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的左侧，螺栓与单螺母连接结构工作时，工件的左侧端面、螺母体的右侧端面是螺母体与被紧固工件的锁紧支承面，螺母体双向锥形螺纹的右侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第二螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第二螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面。
本双向锥形内螺纹与传统螺纹，采取传统螺纹螺栓与双向锥形螺纹双螺母的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，左侧螺母体的右侧端面与右侧螺母体的左侧端面相向直接接触并互为锁紧支承面，当左侧螺母体的右侧端面是锁紧支承面时，左侧螺母体双向锥形螺纹的右侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第二螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支 承面且锥形孔第二螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面，当右侧螺母体的左侧端面是锁紧支承面时，右侧螺母体双向锥形螺纹的左侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第一螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第一螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面。
本双向锥形内螺纹与传统螺纹，采取传统螺纹螺栓与双向锥形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，左侧螺母体的右侧端面与右侧螺母体的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、左侧螺母体的右侧端面是左侧螺母体的锁紧支承面时，左侧螺母体双向锥形螺纹的右侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第二螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第二螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面，当筒状母体位于垫片右侧即垫片的右侧面、右侧螺母体的左侧端面是右侧螺母体的锁紧支承面时，右侧螺母体双向锥形螺纹的左侧螺旋状圆锥面是锥形螺纹支承面，即双向锥形内螺纹锥形孔第一螺旋状圆锥面和传统外螺纹特殊圆锥面是锥形螺纹支承面且锥形孔第一螺旋状圆锥面与传统外螺纹特殊圆锥面互为支承面。
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采用双向锥形螺纹制造，还可以是采用单向锥形螺纹以及可以与螺栓螺纹拧合的其他螺纹制造即包括三角形螺纹、梯形螺纹、锯齿形螺纹等传统螺纹制造的螺母体，但不局限于上述几种，适用均可采用，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，这是本双向锥形内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。
本双向锥形内螺纹与传统螺纹，传动连接时，通过双向锥形孔与传统外螺纹特殊锥形体的旋合连接，双向承载，当外螺纹与内螺纹组成螺纹副，双向锥形孔与传统外螺纹特殊锥形体之间必须要有游隙，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，本双向锥形内螺纹与传统螺纹，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，即每一节双向锥形内螺纹双向包容相对应一节传统外螺纹，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，即双向锥形内螺纹与传统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，通过锥形内螺纹锥形孔包容传统外螺纹特殊锥形体且径向、轴向、角向、周向等多方向定位，优选地，通过双向锥形孔包容特殊锥形体且以径向、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双向锥形孔圆锥面与特殊锥形体特殊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内螺纹与传统螺纹传动连接精度、效率和可靠性。
本双向锥形内螺纹与传统螺纹，紧固连接、密封连接时，其技术性能是通过锥形内螺纹双向锥形孔与传统外螺纹特殊锥形体的旋合连接实现的，即锥形孔第一螺旋状圆锥面与传统外螺纹特殊锥形体特殊圆锥面定径直至过盈和/或锥形孔第二螺旋状圆锥面与传统外螺纹特殊锥形体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，即双向锥形孔在螺旋线的引导下内圆锥与传统外螺纹特殊外圆锥内外径定心直至锥形孔第一螺旋状圆锥面与传统外螺纹特殊锥形体特殊圆锥面抱合直至过盈接触和/或锥形 孔第二螺旋状圆锥面与传统外螺纹特殊锥形体特殊圆锥面抱合直至过盈接触，即通过锥形内螺纹双向内圆锥体包容传统外螺纹特殊锥形体的自锁紧且径向、轴向、角向、周向等多方向定位，优选地，通过双向锥形孔包容特殊锥形体且以径向、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双向锥形孔圆锥面与特殊锥形体特殊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本双向锥形内螺纹与传统螺纹连接结构效率和可靠性，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，本双向锥形内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锥形孔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和锥形孔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，也与传统外螺纹缘于与双向锥形螺纹内螺纹接触而构成的传统外螺纹特殊外锥面及其锥度有关。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。
在上述的双向锥形内螺纹与传统螺纹，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。该结构保证了锥形孔第一螺旋状圆锥面和锥形孔第二螺旋状圆锥面具有足够长度，从而保证双向锥形孔圆锥面与传统外螺纹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。
在上述的双向锥形内螺纹与传统螺纹，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。该结构保证了锥形孔第一螺旋状圆锥面和锥形孔第二螺旋状圆锥面具有足够长度，从而保证双向锥形孔圆锥面与传统外螺纹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。
本双向锥形内螺纹与传统螺纹，所述的锥形孔第一螺旋状圆锥面和锥形孔第二 螺旋状圆锥面均为连续螺旋面或非连续螺旋面。
本双向锥形内螺纹与传统螺纹，所述的特殊锥形体的特殊圆锥面为连续螺旋面或非连续螺旋面。
在上述的双向锥形内螺纹与传统螺纹，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，通过所述的锥形内螺纹第一螺旋状圆锥面与传统外螺纹特殊圆锥面接触和/或过盈配合和/或所述的锥形内螺纹第二螺旋状圆锥面与传统外螺纹特殊圆锥面接触和/或过盈配合实现螺纹连接功能。
在上述的双向锥形内螺纹与传统螺纹，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，本双向锥形内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橄榄状(左侧锥度大于右侧锥度)非对称双向锥形螺纹双螺母与传统螺纹螺栓的连接结构示意图。
图2是本发明提供的实施例一的类橄榄状(左侧锥度大于右侧锥度)非对称双向锥形螺纹内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橄榄状(左侧锥度大于右侧锥度)非对称双向锥形螺纹双螺母与传统螺纹螺栓的连接结构示意图。
图4是本发明提供的实施例三的类橄榄状(左侧锥度小于右侧锥度)非对称双 向锥形螺纹双螺母与传统螺纹螺栓的连接结构示意图。
图5是本发明提供的实施例三的类橄榄状(左侧锥度小于右侧锥度)非对称双向锥形螺纹内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双螺母混合组合，即类橄榄状(左侧锥度大于右侧锥度)非对称双向锥形螺纹螺母体与类橄榄状(左侧锥度小于右侧锥度)非对称双向锥形螺纹螺母体的双螺母与传统螺纹螺栓的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螺母体类橄榄状(左侧锥度大于右侧锥度)非对称双向锥形内螺纹及其完整单元体螺纹结构示意图。
图8是本发明提供的实施例四的螺母体类橄榄状(左侧锥度小于右侧锥度)非对称双向锥形内螺纹及其完整单元体螺纹结构示意图。
[根据细则91更正 28.05.2019]　
图9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 28.05.2019]　
图10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 28.05.2019]　
图11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、锥形孔4、双向锥形孔41、双向锥形孔圆锥面42、锥形孔第一螺旋状圆锥面421、第一锥角α1、锥形孔第二螺旋状圆锥面422、第二锥角α2、内螺旋线5、内螺纹6、特殊锥形体7、特殊圆锥面72、外螺纹9、类橄榄状93、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、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 PCTCN2019081384-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内螺纹6与传统外螺纹9的连接结构，本双向锥形内螺纹与传统螺纹连接副10，包括呈螺旋状分布于筒状母体2内表面的双向锥形孔41和传统螺纹外螺纹9缘于与双向锥形螺纹内螺纹6接触而形成的呈螺旋状分布于柱状母体3外表面的特殊锥形体7，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双向锥形孔41，内螺纹6以呈螺旋状双向锥形孔41并以“非实体空间”形态存在、外螺纹9以呈螺旋状特殊锥形体7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，即双向锥形孔41一节一节包容传统外螺纹9缘于与双向锥形内螺纹6的接触而形成的特殊锥形体7，双向包容限制锥形孔4与传统外螺纹9特殊锥形体7之间的无序自由度，螺旋运动又让双向锥形内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内螺纹与传统螺纹连接副10在使用时双向锥形孔圆锥面42与传统外螺纹9的特殊锥形体7特殊圆锥面72相互配合。
本实施例中的非对称双向锥形内螺纹与传统螺纹连接副10所述的锥形孔4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外表面上设有传统外螺纹9，传统外螺纹9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，当传统外螺纹9与双向锥形内螺纹6配合组成螺纹 连接副10，此时的传统外螺纹9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，其与双向锥形内螺纹6接触部分形成所述的螺纹连接副10的传统外螺纹9的特殊锥形体7，特殊锥形体7上有特殊圆锥面72，随着拧合使用次数的增加，传统外螺纹9的特殊锥形体7上的特殊圆锥面72有效圆锥面面积会不断增加即特殊圆锥面72会不断加大并趋向于与双向锥形内螺纹6的锥形孔圆锥面42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体7，外圆锥面即传统外螺纹9的特殊圆锥面72先以线的形态出现并随着传统外螺纹9牙尖与双向锥螺纹内螺纹6锥形孔4接触使用次数增加而外锥面逐渐增加即传统外螺纹9的特殊圆锥面72是由线到面不断变化加大，也可以直接在传统外螺纹9的牙尖部位加工出与双向锥形内螺纹6相匹配的外锥面，这些都符合本发明技术精神，所述的柱状母体3可以是实心或空心的，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内表面上有呈螺旋状分布的锥形孔4，锥形孔4包括非对称双向锥形孔41，所述筒状母体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。
所述的呈类橄榄状93非对称双向锥形孔41，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锥形孔下底面对称并相向接合而成且上顶面处于双向锥形孔41的两端且形成双向锥形螺纹1时包括分别与相邻双向锥形孔41的上顶面相互接合和/或或将分别与相邻双向锥形孔41的上顶面相互接合，所述的内螺纹6包括锥形孔第一螺旋状圆锥面421和锥形孔第二螺旋状圆锥面422和内螺旋线5，在通过螺纹轴线02的截面内，其完整单节非对称双向锥形内螺纹6是中间大两端小且左侧锥形孔锥度大于右侧锥形孔锥度的呈类橄榄状93的特殊双向锥形几何体，所述的双向锥形孔41包括双向锥形孔圆锥面42，其左侧圆锥面即锥形孔第一螺旋状圆锥面421的两条素线形成的夹角为第一锥角α1，锥形孔第一螺旋状圆锥面421形成左侧锥度95且呈左向分布97，其右侧圆锥面即锥形孔第二螺旋状圆锥面422的两条素线形成的夹角为第二锥角α2，锥形孔第二螺旋状圆锥面422形成右侧锥度96且呈右向分布98，所述的第一锥角α1与第二锥角α2所对应锥 度方向相反，所述的素线是圆锥表面与通过圆锥轴线01的平面的交线，所述的双向锥形孔41的锥形孔第一螺旋状圆锥面421和锥形孔第二螺旋状圆锥面422形成的形状与以重合于筒状母体2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下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筒状母体2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下底边对称并相向接合且上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内螺纹6双螺母与传统外螺纹9螺栓连接结构，所述的螺母体21和螺母体22分别位于被紧固工件130左侧与右侧，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是不同的，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的左侧端面、螺母体21的右侧端面是螺母体21与被紧固工件130的锁紧支承面111时，螺母体21双向锥形螺纹1的右侧螺旋状圆锥面是锥形螺纹支承面122，即锥形内螺纹6锥形孔第二螺旋状圆锥面422和传统外螺纹9特殊圆锥面72是锥形螺纹支承面122且锥形孔第二螺旋状圆锥面422与传统外螺纹9特殊圆锥面72互为支承面，当被紧固工件130的右侧端面、螺母体22的左侧端面是螺母体22与被紧固工件130的锁紧支承面112时，螺母体22双向锥形螺纹1的左侧螺旋状圆锥面是锥形螺纹支承面121，即锥形内螺纹6锥形孔第一螺旋状圆锥面421和传统外螺纹9特殊圆锥面72是锥形螺纹支承面121且锥形孔第一螺旋状圆锥面421与传统外螺纹9特殊圆锥面72互为支承面。
本双向锥形内螺纹与传统螺纹，传动连接时，通过双向锥形孔41与传统外螺纹9特殊锥形体7的旋合连接，双向承载，双向锥形孔41与传统外螺纹9特殊锥形体7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，即每一节双向锥形内螺纹6双向包容相对应一节传统外螺纹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，即双向锥形内螺纹6与传统外螺纹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，通过锥形孔4双向包容传统外螺纹9特殊锥形体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内螺纹与传统螺纹传动连接精度、效率和可靠性。
本双向锥形内螺纹与传统螺纹，紧固连接、密封连接时，其技术性能是通过双向锥形孔41与传统外螺纹9特殊锥形体7的旋合连接实现的，即锥形孔第一螺旋状圆锥面421与传统外螺纹9特殊圆锥面72定径直至过盈和/或锥形孔第二螺旋状圆锥面422传统外螺纹9特殊圆锥面7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，即双向锥形孔41与传统外螺纹9特殊锥形体7在螺旋线的引导下内圆锥与外圆锥内外径定心直至锥形孔第一螺旋状圆锥面421与传统外螺纹9特殊锥形体7特殊圆锥面72抱合直至过盈接触和/或锥形孔第二螺旋状圆锥面422与传统外螺纹9特殊锥形体7特殊圆锥面72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，本双向锥形内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锥形孔第一螺旋状圆锥面421及其形成的左向锥度95即其所对应第一锥角α1和锥形孔第二螺旋状圆锥面422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，也与传统外螺纹9缘于与双向锥形内螺纹6接触而构成的传统外螺纹9特殊锥形体7特殊圆锥面72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。
本双向锥形内螺纹与传统螺纹，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。该结构保证了锥形孔第一螺旋状圆锥面421和锥形孔第二螺旋状圆锥面422具有足够长度，从而保证双向锥形孔圆锥面42与传统外螺纹9特殊锥形体7特殊圆锥面72配合时具有足够有效接触面积和强度及螺旋运动所需要的效率。
本双向锥形内螺纹与传统螺纹，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。该结构保证了锥形孔第一螺旋状圆锥面421和锥形孔第二螺旋状圆锥面422具有足够长度，从而保证双向锥形孔圆锥面42与传统外螺纹9特殊锥形体7特殊圆锥面72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。
本双向锥形内螺纹与传统螺纹，所述的锥形孔第一螺旋状圆锥面421和锥形孔第二螺旋状圆锥面422均为连续螺旋面或非连续螺旋面。
本双向锥形内螺纹与传统螺纹，所述柱状母体3的一端和/或两端均可以为旋入所述筒状母体2连接孔的旋入端，连接孔为设于螺母体21上的螺纹孔。
与现有的技术相比，本双向锥形内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，螺母体21双向锥形螺纹1的右侧螺旋状圆锥面是锥形螺纹支承面122，即锥形内螺纹6锥形孔第二螺旋状圆锥面422和传统外螺纹9特殊圆锥面7 2是锥形螺纹支承面122且锥形孔第二螺旋状圆锥面422与传统外螺纹9特殊圆锥面72互为支承面，当螺母体22左侧端面是锁紧支承面112时，螺母体22双向锥形螺纹1的左侧螺旋状圆锥面是锥形螺纹支承面121，即锥形内螺纹6锥形孔第一螺旋状圆锥面421和传统外螺纹9特殊圆锥面72是锥形螺纹支承面121且锥形孔第一螺旋状圆锥面421与传统外螺纹9特殊圆锥面72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双向锥形螺纹制造，还可以是采用单向锥形螺纹以及可以与螺栓螺纹拧合的其他螺纹即包括三角形螺纹、梯形螺纹、锯齿形螺纹等非锥形螺纹的螺纹制造的螺母体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，这是本双向锥形内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、图8所示，本实施例的结构、原理以及实施步骤与实施例一和实施例三类似，不同的地方在于，本实施例是在实施例一、实施例二和实施例三的基础上，根据工况要求，分别将左侧锥度95大于右侧锥度96和左侧锥度95小于右侧锥度96的不同的类橄榄状93双向锥形内螺纹6分别应用在螺母体21与螺母体22，螺母体21的内螺纹6是类橄榄状93左侧锥度95大于右侧锥度96的非对称双向锥形内螺纹6，螺母体22的内螺纹6是类橄榄状93左侧锥度95小于右侧锥度96的非对称双向锥形内螺纹6，具体组合按照工况要求实施。
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、锥形孔4、双向锥形孔41、双向锥形孔圆锥面42、锥形孔第一螺旋状圆锥面421、第一锥角α1、锥形孔第二螺旋状圆锥面422、第二锥角α2、内螺旋线5、内螺纹6、特殊锥形体7、特殊圆锥面72、外螺纹9、类橄榄状93、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、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. 一种类橄榄状非对称双向锥形螺纹内螺纹与传统螺纹连接结构，包括相互螺纹配合的外螺纹(9)与内螺纹(6)，其特征是，所述的类橄榄状(93)非对称双向锥形内螺纹(6)其完整单元体螺纹是一种呈螺旋状中间大两端小且左侧锥度(95)与右侧锥度(96)不同的类橄榄状(93)非对称双向锥形孔(41)，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，所述的内螺纹(6)螺纹体是筒状母体(2)内表面呈螺旋状双向锥形孔(41)并以“非实体空间”形态存在，所述的外螺纹(9)螺纹体是柱状母体(3)外表面原传统外螺纹(9)牙体缘于与双向锥形内螺纹(6)抱合性接触而被其所同化形成的呈螺旋状特殊锥形体(7)并以“材料实体”形态存在，上述的非对称双向锥形内螺纹(6)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)方向相反且锥度不同，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，上述的类橄榄状(93)双向锥形内螺纹(6)包括双向锥形孔圆锥面(42)的左侧圆锥面即锥形孔第一螺旋状圆锥面(421)和右侧圆锥面即锥形孔第二螺旋状圆锥面(422)和内螺旋线(5)，锥形孔第一螺旋状圆锥面(421)和锥形孔第二螺旋状圆锥面(422)即双向螺旋状圆锥面形成 的形状与以重合于筒状母体(2)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下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筒状母体(2)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内螺纹(6)的左侧锥面和右侧锥面即锥形孔第一螺旋状圆锥面(421)和锥形孔第二螺旋状圆锥面(422)和内螺旋线(5)均为连续螺旋面或非连续螺旋面；上述的特殊锥形体(7)有特殊圆锥面(72)且特殊圆锥面(72)均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，上述的内螺纹(6)是由具有下底面相同且上顶面相同但锥高不同的两个锥形孔(4)的下底面对称并相向相互接合且上顶面处于双向锥形孔(41)的两端且形成类橄榄状(93)非对称双向锥形螺纹(1)时包括分别与相邻双向锥形孔(41)的上顶面相互接合和/或或将分别与相邻双向锥形孔(41)的上顶面相互接合呈螺旋状而成类橄榄状(93)非对称双向锥形内螺纹(6)。
  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内螺纹(6)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双向锥形内螺纹(6)的工件和物体，上述的内表面包括圆柱面和/或锥面等非圆柱面等内表面几何形状，当筒状母体(2)的类橄榄状(93)非对称双向锥形内螺纹(6)的单螺母和/或双螺母和/或多个螺母与柱状母体(3)的螺杆体(31)的传统外螺纹(9)相互螺纹配合组合使用，筒状母体(2)的螺纹包括类橄榄状(93)左侧锥度(95)大于右侧锥度(96)的非对称双向锥形内螺纹(6)和/或类橄榄状(93)左侧锥度(95)小于右侧锥度(96)的非对称双向锥形内螺纹(6)等一种和/或两种的类橄榄状(93)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，其内螺纹包括双向锥形螺纹(1)，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传统螺纹制造。
  9. 根据权利要求1的连接结构，其特征是，上述的双向锥形内螺纹(6)具有同化传统外螺纹(9)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，被其同化后的传统外螺纹(9)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)是由呈螺旋状双向锥形孔(41)与呈螺旋状特殊锥形体(7)相互配合组成一节节圆锥副形成螺纹副(10)且特殊圆锥面(72)与锥形孔第一螺旋状圆锥面(421)和锥形孔第二螺旋状圆锥面(422)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锥形孔圆锥面(42)与特殊圆锥面(72)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。
  10. 根据权利要求1的连接结构，其特征是，上述的内螺纹(6)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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