CN205918785U - Ball pivot transmission shaft - Google Patents

Ball pivot transmission shaft Download PDF

Info

Publication number
CN205918785U
CN205918785U CN201620741677.5U CN201620741677U CN205918785U CN 205918785 U CN205918785 U CN 205918785U CN 201620741677 U CN201620741677 U CN 201620741677U CN 205918785 U CN205918785 U CN 205918785U
Authority
CN
China
Prior art keywords
sphere
ball
socket
bulb
steel ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620741677.5U
Other languages
Chinese (zh)
Inventor
朱德伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao extreme Creative Technology Limited
Original Assignee
朱德伟
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201620617354 priority Critical
Priority to CN2016206173545 priority
Priority to CN201610452824 priority
Priority to CN2016104528241 priority
Application filed by 朱德伟 filed Critical 朱德伟
Application granted granted Critical
Publication of CN205918785U publication Critical patent/CN205918785U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/84Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22303Details of ball cages

Abstract

The utility model discloses a ball pivot transmission shaft, its transmission shaft that belongs to mechanical trade transmission system. Structure that it had solved the shaft type transmission shaft of prior art cross inadequately compact, sealed poor, easily wearing and tearing, bearing capacity defect low, easily fatigue fracture and ball cage / ball fork transmission shaft structure complicacy, manufacturing process level expect much, steel ball and raceway area of contact is little, contact stress is big drawback. The utility model discloses a set up the slide and cooperate with the piston shoes of steel ball at the bulb surface to make be between steel ball and the piston shoes between spherical surface contact, piston shoes and the slide for plane or curved surface contact, greatly increased the area of contact between the driving medium, effectively reduced the pressure between each transmission pressure face, improved the life -span of spare part, and the atress shear surface that makes the steel ball is located the maximum diameter of steel ball basically, the ability of transmission moment of torsion strengthens. The utility model has the advantages of simple structure, make convenient, synthesis that bearing capacity is big, the reliability is high.

Description

A kind of ball pivot power transmission shaft
Technical field
The invention belongs to the parts of machinery industry drive system, more particularly, to power transmission shaft.
Background technology
The power transmission shaft of prior art mainly has Cardon universal joint, ball cage type, three kinds of structures of curved grooved type, wherein Cardon universal joint structure Relatively easy, manufacture difficulty is low, and application is the most universal, and curved grooved type and ball cage type complex structure, and manufacturing technology level has high demands, The production technology of such product is concentrated mainly on abroad at present, and domestic production technology level is also difficult to meet wanting of product quality Ask.Although Cardon universal joint structure is simple, still have the disadvantage that 1, structure is not compact;2nd, seal poor it is easy to wear and tear; 3rd, relative load bearing capacity is not big, and under case of heavy load, spider position is easy to fatigue fracture;And curved grooved type and ball cage type are in transmission During steel ball less with the contact area of raceway, contact pressure is high, exacerbates the abrasion of part, and cuts suffered by steel ball in working The shear surface of shear force is less, fails to give full play to part potentiality.
Content of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of ball pivot power transmission shaft, simple and compact for structure, manufacturer Just, large carrying capacity, can meet the high reliability request to drive system parts for the engineering goods.
The present invention employs the following technical solutions realization:
Scheme 1: a kind of ball pivot power transmission shaft, including ball-and-socket, bulb, bulb handle, end cap, steel ball it is characterised in that: ball-and-socket Inner chamber arranges ball-and-socket sphere s1, and end cap inner chamber arranges end cap sphere s2, and bulb outer surface arranges bulb sphere s3, s1 and s2 has Equal sphere diameter, s3 can be with s1 the and s2 altogether centre of sphere form sphere and be slidably matched.Ball-and-socket and end cap pass through datum end face p laminating admittedly Surely it is assembled together and has common main rovolving shaft w, main rovolving shaft w is by the centre of sphere of s1 with s2 and vertical with datum end face p, The centre of sphere of s1 and s2 is located on datum end face p, so that the centre of sphere of s1 and s2 overlaps and is total to sphere, bulb is wrapped and is assemblied in s1 In the spherical cavity surrounding with s2, bulb sphere s3 is made to overlap with the centre of sphere of s1, s2.The opening diameter of external port e-2 of end cap is less than The sphere diameter of bulb sphere s3, thus ensureing spherical cavity that bulb sphere s3 surrounds without departing from s1 and s2 and just keeping between sphere therewith True slip cooperating relationship.It is fixed along 4 uniform indent steel balls of main rovolving shaft w circumference to be additionally provided with the datum end face p of ball-and-socket The centre of sphere of position sphere r1, r1 is located on datum end face p and keeps equidistant with the centre of sphere of s1, and the size of this distance is equal to or connects The spherical radius of nearly s1.Accordingly, the datum end face p of end cap is also equipped with along 4 uniform indent steel of main rovolving shaft w circumference Ball location sphere r2 4 indent steel ball location sphere r1 one-to-one corresponding cooperations with ball-and-socket, r2 and r1 of corresponding cooperation Keep being total to ball relation of plane with one heart, and surround equal or close to hemispherical cavity, this cavity sphere is wrapped in the ectosphere of steel ball f On face and keep correct slip cooperating relationship between sphere.The secondary gyroaxis j of bulb h passes through the centre of sphere and the ball of bulb sphere s3 The dead in line of head handle h-1, bulb sphere s3 is additionally provided with along 4 uniform slideway l of secondary gyroaxis j circumference, slideway is symmetrical Face m1 and slideway plane of symmetry m2 is mutually perpendicular to and intersects at secondary gyroaxis j, and slideway plane of symmetry m1 divides it along along slideway longitudinal direction In 2 slideways and the plane of symmetry simultaneously as another 2 slideways;Accordingly, slideway plane of symmetry m2 then divides along along slideway longitudinal direction Another 2 slideways therein the plane of symmetry simultaneously as remaining 2 slideway.Piston shoes g is 4, and correspondence is slidably fitted in 4 respectively In the groove of slideway l, piston shoes bottom surface g-2 is slidably matched with slideway bottom surface l-1, and piston shoes side g-3 and slideway side l-2 slides and joins Close, and piston shoes top surface g-1 and ball-and-socket sphere s1 and end cap sphere s2 cooperation.It is additionally provided with steel ball place kick on piston shoes top surface g-1 Face r3, steel ball location sphere r3 can be encircled into one with corresponding steel ball location sphere r1 and steel ball location sphere r2 On the spherical outside surface of steel ball f, steel ball f can be freely rotatable in this spherical cavity for spherical cavity parcel cooperation.When ball-and-socket, bulb, bulb handle, end Lid, steel ball and piston shoes are assembled as described above after relation is assembled together, and steel ball f has just been limited in steel ball location sphere r1 and steel In ball location sphere r2, and piston shoes g is then limited between ball-and-socket sphere s1 and slideway bottom surface and simultaneously be subject to slideway side and The constraint of steel ball f, bulb and bulb handle can swing with respect to ball-and-socket, thus the pair of the main rovolving shaft w and bulb h of ball-and-socket can be made to return Angle is produced between rotating shaft j.After the power interface of ball-and-socket and machine links together, ball-and-socket is just under the driving of power interface Rotate, and piston shoes g is transmitted torque to by steel ball f, piston shoes g transmits torque to bulb and bulb handle further through slideway l, from And drive bulb and bulb handle to rotate, and it is dynamic to the next stage drive disk assembly transmission being connected with bulb handle to pass through bulb handle further Power, thus realize the purpose of ball pivot transmission of the present invention.
Further, piston shoes oilhole q can be set on piston shoes g thus insertion steel ball location sphere r3 and piston shoes bottom surface g- 2.
Further, can be along the longitudinally disposed lubrication of slideway on the outer surface of piston shoes g and/or on the ramp surface of slideway l Oil groove, thus promoting the lubrication that is respectively slidably matched between pair, facilitates the flowing of lubricating oil and uniform.
Further, can arrange on bulb and/or ball-and-socket, end cap in the cavity of oil leab sensible slideway l, with convenient Daily lubricating maintenance.
Further, it is further fixedly arranged on telescopic sealing shroud i between end cap e and bulb handle h-1, thus passing internal Dynamic component sealing protects, and prevents lubricating oil to run off and dust pollution.
Scheme 2: according to actual needs, scheme 1 suitably can be changed.Under severe duty, in order to increase further Transmitting torque, steel ball location sphere r1 in scheme 1, steel ball location sphere r2, slideway l, piston shoes g and steel ball f quantity permissible Increase to more than 4;Under light duty, also can reduce to less than 4.Steel ball location sphere r1 and steel ball location sphere R2 is uniform along main rovolving shaft w circumference, and keeps the spherical radius equal or close to s1 or s2 with the centre of sphere distance of s1 or s2;Pairing Steel ball location sphere r1 using and the centre of sphere of steel ball location sphere r2 overlap and are located on datum end face p, and surround and be equal to Or close to hemispherical cavity, this cavity sphere is wrapped on the spherical outside surface of steel ball f and keeps correctly being slidably matched between sphere Relation.Accordingly, slideway l is disposed longitudinally on bulb sphere s3 and uniform along secondary gyroaxis j circumference, and every slideway l is respectively provided with The plane of symmetry, this plane of symmetry passes through the centre of sphere of secondary gyroaxis j and s3, and piston shoes g is slidably matched and is subject to it with slideway l and steel ball f simultaneously Constraint.
Scheme 3: in order to simplify structure, the piston shoes of scheme 1 and scheme 2 can remove, and accordingly adjust the cross section of slideway l Shape is allowed to directly coordinate with the sphere of steel ball f and constrain the motion of steel ball f.
Compared with prior art, the invention has the beneficial effects as follows: 1, structure is simple, compact, makes easily;2nd, steel ball f Stress shear surface is located substantially on the maximum gauge of steel ball, and transmitting torque is big;3rd, it is sphere-contact between steel ball and piston shoes, sliding It is plane or curved face contact between boots and slideway, contact area greatly increases, and effectively reduces the pressure between each drive train pressure face By force, increased transmission capacity, improve part life.
Brief description:
Fig. 1 is a kind of front view of present invention ball pivot power transmission shaft, and ball-and-socket is band card key method with the type of attachment of power interface Blue formula, bulb and bulb handle are integral type structure, and main rovolving shaft w and secondary gyroaxis j are conllinear.
Fig. 2-5 is a-a, b-b sectional view of Fig. 1, respectively show the version of 4 kinds of slideways and piston shoes, be 4 slideways and 4 piston shoes versions.
Fig. 6 is a-a, b-b sectional view of Fig. 1, is 6 slideways and the topology example of 6 piston shoes.
Fig. 7 is a-a, b-b sectional view of Fig. 1, is the topology example of 8 slideways and no piston shoes.
Fig. 8 is the partial view of a-a, b-b sectional view of Fig. 1, illustrates several distressed structures of steel ball f -- roller f1's Assembling schematic diagram.
Fig. 9 is the v of Fig. 2 piston shoes g to zoomed-in view.
Figure 10 is the z of Fig. 2 piston shoes g to zoomed-in view.
Figure 11 is the distressed structure of Fig. 1, and ball-and-socket is spline with the type of attachment of power interface.
Figure 12 is the distressed structure of Fig. 1, is split fabricated construction between bulb and bulb handle.
Figure 13 is the connection diagram that 2 ball pivot power transmission shaft combinations of pairs use together.
In figure, c, power interface;C-1, centering face;D, ball-and-socket;D-1, ball-and-socket flange;D-2, ball-and-socket interface;E, end cap; E-1, cover flange;E-2, external port;F, steel ball;F1, roller;F2, bearing;G, piston shoes;G-1, piston shoes top surface;G-2, piston shoes bottom Face;G-3, piston shoes side;H, bulb;H-1, bulb handle;I, sealing shroud;J, secondary gyroaxis;K, piston shoes oil groove;L, slideway;l-1、 Slideway bottom surface;L-2, slideway side;M1, the slideway plane of symmetry;M2, the slideway plane of symmetry;N, oil leab;U, slideway oil groove;p、 Datum end face;Q, piston shoes oilhole;R1, steel ball location sphere;R2, steel ball location sphere;R3, steel ball location sphere;s1、 Ball-and-socket sphere;S2, end cap sphere;S3, bulb sphere;T1, keyway;T2, driving key;W, main rovolving shaft;X, pad;Y, back-up ring.
Specific embodiment:
The invention will be further described below in conjunction with the accompanying drawings
Embodiment 1:
As shown in figure 1, a kind of ball pivot power transmission shaft, including ball-and-socket, bulb, bulb handle, end cap, steel ball, the inner chamber of ball-and-socket sets Place nest sphere s1, end cap inner chamber arranges end cap sphere s2, and bulb outer surface arranges bulb sphere s3, s1 and s2 has equal Sphere diameter, s3 can be with s1 the and s2 altogether centre of sphere form sphere and be slidably matched.Ball-and-socket and end cap are by datum end face p laminating fixing assembling Together and have common main rovolving shaft w, main rovolving shaft w passes through the centre of sphere of s1 with s2, s1 and s2 vertical with datum end face p The centre of sphere be located on datum end face p so that the centre of sphere of s1 and s2 overlaps and is total to sphere, bulb is wrapped and is assemblied in s1 and s2 and encloses In the spherical cavity becoming, bulb sphere s3 is made to overlap with the centre of sphere of s1, s2.The opening diameter of external port e-2 of end cap is less than bulb ball The sphere diameter of face s3, thus ensureing spherical cavity that bulb sphere s3 surrounds without departing from s1 and s2 and keeping therewith correctly sliding between sphere Dynamic matching relationship.It is additionally provided with the datum end face p of ball-and-socket along 4 uniform indent steel ball location sphere of main rovolving shaft w circumference The centre of sphere of r1, r1 is located on datum end face p and keeps equidistant with the centre of sphere of s1, and the size of this distance is equal or close to the ball of s1 Radius surface.Accordingly, the datum end face p of end cap is also equipped with along 4 uniform indent steel ball place kick of main rovolving shaft w circumference Face r2 4 indent steel ball location sphere r1 one-to-one corresponding cooperations with ball-and-socket, r2 and r1 of corresponding cooperation keeps with one heart Ball relation of plane altogether, and surround equal or close to hemispherical cavity, this cavity sphere is wrapped on the spherical outside surface of steel ball f and protects Correct slip cooperating relationship between holding face.The secondary gyroaxis j of bulb h by the centre of sphere of bulb sphere s3 and with bulb handle h-1 Dead in line, bulb sphere s3 is additionally provided with along 4 uniform slideway l of secondary gyroaxis j circumference, slideway plane of symmetry m1 and Slideway plane of symmetry m2 is mutually perpendicular to and intersects at secondary gyroaxis j, and slideway plane of symmetry m1 divides 2 therein along along slideway longitudinal direction Slideway the plane of symmetry simultaneously as another 2 slideways;Accordingly, slideway plane of symmetry m2 is then point therein another along along slideway longitudinal direction Article 2, slideway the plane of symmetry simultaneously as remaining 2 slideway.Piston shoes g is 4, and correspondence is slidably fitted in 4 slideway l's respectively In groove, piston shoes bottom surface g-2 is slidably matched with slideway bottom surface l-1, and piston shoes side g-3 is slidably matched with slideway side l-2, and slides Boots top surface g-1 and ball-and-socket sphere s1 and end cap sphere s2 cooperation.It is additionally provided with steel ball location sphere r3 on piston shoes top surface g-1, Steel ball location sphere r3 can be encircled into a spherical cavity parcel with corresponding steel ball location sphere r1 and steel ball location sphere r2 On the spherical outside surface of steel ball f, steel ball f can be freely rotatable in this spherical cavity for cooperation.When ball-and-socket, bulb, bulb handle, end cap, steel ball It is assembled as described above after relation is assembled together with piston shoes, steel ball f has just been limited in steel ball location sphere r1 and steel ball place kick In the r2 of face, and piston shoes g is then limited in the pact between ball-and-socket sphere s1 and slideway bottom surface and being simultaneously subject to slideway side and steel ball f Bundle, bulb and bulb handle can swing with respect to ball-and-socket, so that producing between the secondary gyroaxis j of the main rovolving shaft w and bulb h of ball-and-socket Raw angle.
The ball-and-socket flange coaxial with main rovolving shaft w and cover flange be respectively arranged with ball-and-socket and end cap, ball-and-socket flange and Keyway t1 is additionally provided with cover flange, power interface c arranges centering face c-1, centering face c-1 is provided with driving key t2, C-1 parcel in centering face is assemblied in the outer surface of ball-and-socket flange and cover flange and keeps concentric, makes driving key t2 be stuck in ball simultaneously With transmitting torque in the keyway t1 of nest flange and cover flange, bolt passes through ball-and-socket flange and cover flange solid with power interface c It is scheduled on together it is ensured that ball-and-socket and end cap are with power interface c synchronous axial system, and by steel ball f, piston shoes g and slideway l, torque is transmitted To bulb handle h-1, the connection spline that bulb handle h-1 is arranged by its outer end again transmits torque to next stage driving member.
As shown in Figure 2-5, respectively show 4 kinds of preferred slideway shape of cross sections and piston shoes cross section with matching Shape.The slideway shape of cross section of Fig. 2 is substantially rectangular;The slideway shape of cross section of Fig. 3 is substantially trapezoidal shape, and trapezoidal base is Convex circular arc;The slideway shape of cross section of Fig. 4 is circular arc;The slideway shape of cross section of Fig. 5 substantially v shape, the bottom of v shape For recessed circular arc;Correspondingly, piston shoes bottom surface is corresponding with above-mentioned slideway with the shape of cross section of piston shoes side, and piston shoes top surface It is shaped as spherical and match with ball-and-socket sphere s1 and end cap sphere s2.The longitudinal section shape of slideway bottom surface and piston shoes bottom surface is such as Shown in Fig. 1, it is the circular arc concentric with bulb sphere s3.
As shown in figs. 1-7, the outer surface of piston shoes g is vertically arranged with the piston shoes oil groove k on some insertion surfaces, steel along slideway Ball location sphere r3 passes through piston shoes oilhole q insertion with piston shoes bottom surface g-2, and the slideway bottom surface l-1 of slideway l longitudinally sets along slideway It is equipped with the slideway oil groove u of insertion slideway bottom surface, piston shoes oilhole q and slideway oil groove u insertion.As shown in figure 1, bulb and bulb handle are Integral structure, is internally provided with oil leab n, and lubricating oil can be transported in the cavity of slideway l by oil leab n.
It is further fixedly arranged on telescopic sealing shroud i between end cap e and bulb handle h-1, thus internal transmission part is close Envelope protects, and prevents lubricating oil to run off and dust pollution.
Embodiment 2:
As shown in fig. 6, embodiment 2 is the deformation of embodiment 1, difference is: the configuration quantity of slideway and piston shoes is by 4 Right to increasing to 6, remaining structure is similar to, and here is not repeated.The configuration quantity of slideway and piston shoes can be true according to actual needs Fixed.
Embodiment 3:
As shown in fig. 7, embodiment 3 is embodiment 1 and the deformation of embodiment 2, difference is: the present embodiment eliminates Piston shoes, and the shape of cross section of corresponding adjustment slideway l is circular arc as shown in Figure 4, and be allowed to can be direct with the sphere of steel ball f Cooperation, the motion of constraint steel ball f.Remaining structure is similar to, and here is not repeated.Fig. 7 show the topology example of 8 slideways, permissible Change slideway quantity according to actual needs.
Embodiment 4:
As shown in figure 8, embodiment 4 is the deformation of above-described embodiment 1-3, difference is: the present embodiment roller f1 Replace steel ball f, roller f1 can be cylinder, or by its with slideway or piston shoes cooperation one end setting globulate, conical or Other shapes being suitable for, also can arrange the rotation that bearing f2 is beneficial to roller f1 on roller f1.The roller f1's that Fig. 8 illustrates Assembling schematic diagram and coordinate the adaptations of parts with it, remaining structure is similar with embodiment 1-3, and here is not repeated.
Embodiment 5:
As shown in figure 11, embodiment 5 is the deformation of embodiment 1-4, and compared with corresponding embodiment, difference is: Connected mode between ball-and-socket d and power interface c is different, and ball-and-socket d is provided with the ball-and-socket interface d-2 coaxial with main rovolving shaft w, ball The structure of socket and spigot joint mouth d-2 can be the spline housing with internal spline or the splined shaft with external splines, and correspondingly, power interface c correspondence sets Put the splined shaft with external splines or the spline housing with internal spline, reached by splined shaft and the cooperation of spline housing and be connected transmission power Purpose.Above-mentioned spline connection can equivalent substitution be also singly linked mode, also can be changed to the mode of flange connection.
Embodiment 6:
As shown in figure 12, embodiment 6 is the deformation of embodiment 1-4, and compared with corresponding embodiment, difference is: Between bulb and bulb handle, split fabricated construction is changed to by integral structure, bulb is provided centrally with same with secondary gyroaxis j The splined hole of axle is simultaneously connected with the splined shaft being correspondingly arranged at bulb handle one end, by arranging pad x and back-up ring y in spline one end Bulb is fixed between pad x and the step surface of the spline other end.Remaining structure is same as Example 1, and here is not repeated.
Embodiment 7:
As shown in figure 13, the ball pivot of above-described embodiment can match use, and centre is slidably connected by key, with compensate transmission away from From upper change, its transmission principle is identical with single ball pivot, and here is not repeated.
It is pointed out that these are only the present invention preferably specific embodiment, but protection scope of the present invention is not It is confined to this.It is clear that according to actual needs, many variations can also be made, for example: the pro forma change of ball-and-socket interface d-2 Change in the change of change, ball-and-socket and end cap type of attachment, bulb and bulb handle type of attachment, slideway and piston shoes cross sectional shape, The change of quantity, oil groove shape, change of quantity etc..Any those of ordinary skill in the art the invention discloses technology model In enclosing, according to the schematic diagram of the present invention, embodiment and its inventive concept in addition equivalent or change, all should cover at this Within bright protection domain.

Claims (11)

1. a kind of ball pivot power transmission shaft, including ball-and-socket, bulb, bulb handle, end cap, steel ball it is characterised in that: the setting of the inner chamber of ball-and-socket Ball-and-socket sphere (s1), end cap inner chamber setting end cap sphere (s2), bulb outer surface setting bulb sphere (s3), ball-and-socket sphere (s1) With end cap sphere (s2), there is equal sphere diameter, bulb sphere (s3) can be with ball-and-socket sphere (s1) and end cap sphere (s2) centre of sphere altogether And form sphere and be slidably matched;Ball-and-socket passes through together with datum end face (p) laminating fixing assembling with end cap and has common master Gyroaxis (w), main rovolving shaft (w) passes through the centre of sphere of ball-and-socket sphere (s1) and end cap sphere (s2) vertical with datum end face (p), The centre of sphere of ball-and-socket sphere (s1) and end cap sphere (s2) is located on datum end face (p), so that ball-and-socket sphere (s1) and end cap ball The centre of sphere in face (s2) overlaps and makes ball-and-socket sphere (s1) and end cap sphere (s2) sphere altogether, and bulb is wrapped and is assemblied in ball-and-socket sphere (s1) and in the spherical cavity that surrounds of end cap sphere (s2), make the ball of bulb sphere (s3) and ball-and-socket sphere (s1) and end cap sphere (s2) The heart overlaps;The opening diameter of the external port (e-2) of end cap is less than the sphere diameter of bulb sphere (s3), thus ensureing bulb sphere (s3) The spherical cavity surrounding without departing from ball-and-socket sphere (s1) and end cap sphere (s2) the pass that keeps therewith being correctly slidably matched between sphere System;It is additionally provided with the datum end face (p) of ball-and-socket along the uniform at least one indent steel ball location sphere of main rovolving shaft (w) circumference (r1), the centre of sphere of steel ball location sphere (r1) is located at datum end face (p) above and keeps equidistant with the centre of sphere of ball-and-socket sphere (s1) From the size of this distance is equal or close to the spherical radius of ball-and-socket sphere (s1);With above-mentioned steel ball location sphere (r1) phase Join, accordingly, it is fixed along the uniform at least one indent steel ball of main rovolving shaft (w) circumference that the datum end face (p) of end cap is also equipped with Position sphere (r2) indent steel ball location sphere (r1) corresponding matching with ball-and-socket, the steel ball location sphere of corresponding cooperation (r2) and steel ball location sphere (r1) keeps being total to ball relation of plane with one heart, and surround equal or close to hemispherical cavity, should Cavity sphere is wrapped on the spherical outside surface of corresponding steel ball (f) and keeps correct slip cooperating relationship between sphere;Bulb (h) Secondary gyroaxis (j) passes through the centre of sphere of bulb sphere (s3) the dead in line with bulb handle (h-1), and bulb sphere (s3) also sets Be equipped with around secondary gyroaxis (j) uniform at least 1 slideway (l) of circumference, thus with above-mentioned steel ball location sphere (r1) and steel ball Location sphere (r2) matches;Every slideway (l) is respectively provided with the plane of symmetry, and this plane of symmetry passes through secondary gyroaxis (j) and bulb ball The centre of sphere in face (s3);Match with slideway (l), piston shoes (g) can be set, piston shoes (g) correspondence is slidably fitted in the ditch of slideway (l) In groove, piston shoes bottom surface (g-2) is slidably matched with slideway bottom surface (l-1), and piston shoes side (g-3) is slided with slideway side (l-2) and join Close, and piston shoes top surface (g-1) and ball-and-socket sphere (s1) and end cap sphere (s2) cooperation;It is additionally provided with steel on piston shoes top surface (g-1) Ball location sphere (r3), steel ball location sphere (r3) and corresponding steel ball location sphere (r1) and steel ball location sphere (r2) a spherical cavity parcel cooperation can be encircled on the spherical outside surface of steel ball (f), steel ball (f) can be freely rotatable in this spherical cavity; After ball-and-socket, bulb, bulb handle, end cap, steel ball and piston shoes are assembled as described above relation and are assembled together, steel ball (f) is just limited In steel ball location sphere (r1) and steel ball location sphere (r2), and piston shoes (g) be then limited in ball-and-socket sphere (s1) and Between slideway bottom surface (l-1) and simultaneously by the constraint of slideway side and steel ball (f);Bulb and bulb handle can be put with respect to ball-and-socket Dynamic, thus angle can be made to produce between the main rovolving shaft (w) of ball-and-socket and the secondary gyroaxis (j) of bulb (h);When ball-and-socket and machine After power interface links together, ball-and-socket just being rotated by power interface, and transmit torque to slide by steel ball (f) Boots (g), piston shoes (g) transmit torque to bulb and bulb handle further through slideway (l), thus driving bulb and bulb handle to rotate, And pass through bulb handle further to the next stage drive disk assembly transmission power being connected with bulb handle.
2. a kind of ball pivot power transmission shaft, including ball-and-socket, bulb, bulb handle, end cap, steel ball it is characterised in that: the setting of the inner chamber of ball-and-socket Ball-and-socket sphere (s1), end cap inner chamber setting end cap sphere (s2), bulb outer surface setting bulb sphere (s3), ball-and-socket sphere (s1) With end cap sphere (s2), there is equal sphere diameter, bulb sphere (s3) can be with ball-and-socket sphere (s1) and end cap sphere (s2) centre of sphere altogether And form sphere and be slidably matched;Ball-and-socket passes through together with datum end face (p) laminating fixing assembling with end cap and has common master Gyroaxis (w), main rovolving shaft (w) passes through the centre of sphere of ball-and-socket sphere (s1) and end cap sphere (s2) vertical with datum end face (p), The centre of sphere of ball-and-socket sphere (s1) and end cap sphere (s2) is located on datum end face (p), so that ball-and-socket sphere (s1) and end cap ball The centre of sphere in face (s2) overlaps and makes ball-and-socket sphere (s1) and end cap sphere (s2) sphere altogether, and bulb is wrapped and is assemblied in ball-and-socket sphere (s1) and in the spherical cavity that surrounds of end cap sphere (s2), make the ball of bulb sphere (s3) and ball-and-socket sphere (s1) and end cap sphere (s2) The heart overlaps;The opening diameter of the external port (e-2) of end cap is less than the sphere diameter of bulb sphere (s3), thus ensureing bulb sphere (s3) The spherical cavity surrounding without departing from ball-and-socket sphere (s1) and end cap sphere (s2) the pass that keeps therewith being correctly slidably matched between sphere System;It is additionally provided with the datum end face (p) of ball-and-socket along the uniform at least one indent steel ball location sphere of main rovolving shaft (w) circumference (r1), the centre of sphere of steel ball location sphere (r1) is located at datum end face (p) above and keeps equidistant with the centre of sphere of ball-and-socket sphere (s1) From the size of this distance is equal or close to the spherical radius of ball-and-socket sphere (s1);With above-mentioned steel ball location sphere (r1) phase Join, accordingly, it is fixed along the uniform at least one indent steel ball of main rovolving shaft (w) circumference that the datum end face (p) of end cap is also equipped with Position sphere (r2) indent steel ball location sphere (r1) corresponding matching with ball-and-socket, the steel ball location sphere of corresponding cooperation (r2) and steel ball location sphere (r1) keeps being total to ball relation of plane with one heart, and surround equal or close to hemispherical cavity, should Cavity sphere is wrapped on the spherical outside surface of corresponding steel ball (f) and keeps correct slip cooperating relationship between sphere;Bulb (h) Secondary gyroaxis (j) passes through the centre of sphere of bulb sphere (s3) the dead in line with bulb handle (h-1), and bulb sphere (s3) also sets Be equipped with around secondary gyroaxis (j) uniform at least 1 slideway (l) of circumference, thus with above-mentioned steel ball location sphere (r1) and steel ball Location sphere (r2) matches;Every slideway (l) is respectively provided with the plane of symmetry, and this plane of symmetry passes through secondary gyroaxis (j) and bulb ball The centre of sphere in face (s3);The shape of cross section of slideway (l) is matched with the sphere of steel ball (f), and a part for steel ball (f) is limited in In steel ball location sphere (r1) and steel ball location sphere (r2), another part is coordinated with corresponding slideway (l), can slide Freely roll in road (l) or rotate or slide;When ball-and-socket, bulb, bulb handle, end cap, steel ball are assembled as described above relation and are assemblied in After together, the motion of steel ball (f) has just been limited in slideway;Bulb and bulb handle can swing with respect to ball-and-socket, thus can make Angle is produced between the main rovolving shaft (w) of ball-and-socket and the secondary gyroaxis (j) of bulb (h);When the power interface of ball-and-socket and machine connects After being connected together, ball-and-socket just being rotated by power interface, and slideway (l) is directly transmitted torque to by steel ball (f), Thus driving bulb and bulb handle to rotate, and pass through bulb handle further to the next stage drive disk assembly transmission being connected with bulb handle Power.
3. a kind of ball pivot power transmission shaft according to claim 1 it is characterised in that: can set on bulb and/or ball-and-socket, end cap Put in the cavity of the sensible slideway (l) of oil leab, to facilitate daily lubricating maintenance;Can be in piston shoes (g) upper setting piston shoes oilhole Q () is thus insertion steel ball location sphere (r3) and piston shoes bottom surface (g-2);Can be on the outer surface of piston shoes (g) and/or slideway Along the longitudinally disposed oil-way of slideway on the ramp surface of (l), thus promoting the lubrication being respectively slidably matched between pair.
4. a kind of ball pivot power transmission shaft according to claim 1 and 2 it is characterised in that: end cap (e) and bulb handle (h-1) it Between be further fixedly arranged on telescopic sealing shroud (i), thus by internal transmission part sealing protect, prevent lubricating oil run off And dust pollution.
5. a kind of ball pivot power transmission shaft according to claim 1 it is characterised in that: the shape of cross section of bulb slideway can for circle Arc, or substantially rectangular;Or substantially trapezoidal shape, trapezoidal base is convex circular arc;Or substantially (v) shape, the (v) bottom of shape While being recessed circular arc;Correspondingly, piston shoes bottom surface is corresponding with above-mentioned slideway with the shape of cross section of piston shoes side, and piston shoes top surface Be shaped as spherical and match with ball-and-socket sphere (s1) and end cap sphere (s2);Slideway bottom surface and the longitudinal cross-section of piston shoes bottom surface It is shaped as the circular arc concentric with bulb sphere (s3).
6. a kind of ball pivot power transmission shaft according to claim 1 and 2 it is characterised in that: be respectively arranged with ball-and-socket and end cap The ball-and-socket flange coaxial with main rovolving shaft (w) and cover flange, ball-and-socket flange and cover flange are additionally provided with keyway (t1), move Power interface (c) is upper to arrange centering face (c-1), and centering face (c-1) is provided with driving key (t2), centering face (c-1) parcel assembling In the outer surface of ball-and-socket flange and cover flange and keep concentric, make driving key (t2) be stuck in ball-and-socket flange and cover flange simultaneously Keyway (t1) in transmitting torque, bolt pass through ball-and-socket flange and cover flange and power interface (c) to be fixed together it is ensured that Ball-and-socket and end cap are with power interface (c) synchronous axial system.
7. a kind of ball pivot power transmission shaft according to claim 1 and 2 it is characterised in that: ball-and-socket (d) is provided with and main rovolving shaft W () coaxial ball-and-socket interface (d-2), the structure of ball-and-socket interface (d-2) can be the spline housing with internal spline or the flower with external splines Key axle, correspondingly, power interface (c) is correspondingly arranged the splined shaft with external splines or the spline housing with internal spline, by splined shaft Reach the purpose being connected transmission power with the cooperation of spline housing;Above-mentioned spline connection can equivalent substitution be also singly linked side Formula, or it is changed to the mode of flange connection.
8. a kind of ball pivot power transmission shaft according to claim 1 and 2 it is characterised in that: between bulb and bulb handle be split Fabricated construction, bulb be provided centrally with the splined hole coaxial with secondary gyroaxis (j) and be correspondingly arranged at bulb handle one end Splined shaft connects.
9. a kind of ball pivot power transmission shaft according to claim 1 and 2 it is characterised in that: described steel ball (f) can use roller (f1) replace, roller (f1) can be cylinder, or by its with slideway or piston shoes cooperation one end setting globulate, conical or Other shapes being suitable for, thus coordinating with slideway or piston shoes, also can be beneficial to roller (f1) in the upper bearing (f2) that arranges of roller (f1) Rotation.
10. a kind of ball pivot power transmission shaft according to claim 9 it is characterised in that: described ball pivot can match use, middle logical Cross key to be slidably connected.
A kind of 11. ball pivot power transmission shafts according to claim 1 and 2 it is characterised in that: described ball pivot can match use, in Between be slidably connected by key.
CN201620741677.5U 2016-06-22 2016-07-15 Ball pivot transmission shaft Withdrawn - After Issue CN205918785U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201620617354 2016-06-22
CN2016206173545 2016-06-22
CN201610452824 2016-06-22
CN2016104528241 2016-06-22

Publications (1)

Publication Number Publication Date
CN205918785U true CN205918785U (en) 2017-02-01

Family

ID=56827981

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610554161.4A Active CN105927674B (en) 2016-06-22 2016-07-15 A kind of flexural pivot transmission shaft
CN201620741677.5U Withdrawn - After Issue CN205918785U (en) 2016-06-22 2016-07-15 Ball pivot transmission shaft

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201610554161.4A Active CN105927674B (en) 2016-06-22 2016-07-15 A kind of flexural pivot transmission shaft

Country Status (1)

Country Link
CN (2) CN105927674B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927674A (en) * 2016-06-22 2016-09-07 朱德伟 Spherical hinge transmission shaft
WO2020029899A1 (en) * 2018-08-06 2020-02-13 青岛极致创新科技有限公司 Piston pump and piston motor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107725624A (en) * 2017-09-30 2018-02-23 安徽江淮汽车集团股份有限公司 A kind of constant velocity cardan joint transmission shaft
CN110439194B (en) * 2019-07-22 2021-10-08 上海秦森园林股份有限公司 Mounting structure and mounting method of wood rafters of antique building
CN111927937A (en) * 2020-08-12 2020-11-13 内蒙古第一机械集团股份有限公司 Ball cage type transmission structure with escape and extension function
CN112077510B (en) * 2020-08-21 2022-03-25 上海航天精密机械研究所 Laser welding and welding following pressing device and method with coaxial protection function
CN113074300A (en) * 2021-03-29 2021-07-06 郑维洁 Novel ball center-winding action structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU941733A1 (en) * 1980-04-22 1982-07-07 Всесоюзный Научно-Исследовательский И Проектный Институт "Теплопроект" Gear-type coupling
CN2259525Y (en) * 1995-10-26 1997-08-13 武汉钢铁(集团)公司 Ball universal joint transmission shaft
CN2382889Y (en) * 1998-11-05 2000-06-14 杨佩兰 Ball hinged T shape pin universal coupling
CN2413083Y (en) * 2000-01-04 2001-01-03 张公福 Ball hinged universal joint
BRPI0303240B1 (en) * 2003-08-05 2015-12-29 Dana Industrial Ltda spherical junction box relief channel
CN201007323Y (en) * 2007-02-07 2008-01-16 戴光荣 Ball hinged synchronous universal coupling
CN201475187U (en) * 2009-09-01 2010-05-19 江汉石油钻头股份有限公司 Sealed universal shaft
CN201925362U (en) * 2010-12-27 2011-08-10 沈阳三洋球罐有限公司 Spherical hinge type angle-adjustable transmission coupling
CN105927674B (en) * 2016-06-22 2019-01-25 青岛极致创新科技有限公司 A kind of flexural pivot transmission shaft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927674A (en) * 2016-06-22 2016-09-07 朱德伟 Spherical hinge transmission shaft
CN105927674B (en) * 2016-06-22 2019-01-25 青岛极致创新科技有限公司 A kind of flexural pivot transmission shaft
WO2020029899A1 (en) * 2018-08-06 2020-02-13 青岛极致创新科技有限公司 Piston pump and piston motor

Also Published As

Publication number Publication date
CN105927674A (en) 2016-09-07
CN105927674B (en) 2019-01-25

Similar Documents

Publication Publication Date Title
CN205918785U (en) Ball pivot transmission shaft
CN104863523B (en) Ratchet type universal shaft for downhole power drill tool
CN101542145B (en) Rolling bearing arrangement
CN201507567U (en) Spline-type universal shaft
CN203022654U (en) Sealing type universal shaft for screw drilling tool
CN202158104U (en) Spherical hinge type coupling
CN205937557U (en) High -performance crown gear coupling
CN201232679Y (en) Axial positioning and connecting device between suspension type speed reducer and shaft spline
CN2700632Y (en) Ball type universal coupling
CN104989808B (en) Duplex helical gear transmission device in the middle of a kind of engine
CN104989291B (en) The universal shaft type helicoid hydraulic motor of spline
CN105972107A (en) High-performance crowned tooth coupler
CN204226464U (en) A kind of internal spherical cage with bearing
CN201159249Y (en) Spherical tooth type universal coupling
CN203322084U (en) Button-type universal connecting shaft for rolling equipment
CN202451630U (en) Tooth type coupler
CN206205945U (en) A kind of engine cam duplex helical gear transmission device
CN202790174U (en) Coaxial double-speed double-direction ball-basket constant-speed universal coupler
CN205823942U (en) A kind of axle sleeve used for vehicle transmission shaft
KR101280791B1 (en) spider assembly for tripod type constant velocity joint
CN201090621Y (en) Spherical gear type cardan joint
CN201092942Y (en) Piston slush pump bearing support
CN101504075B (en) Line contact type spherical hinge kinematic pair
CN204457490U (en) A kind of helicoid hydraulic motor Petal type cardan axle
CN202811885U (en) Gear coupling

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180731

Address after: 266000 A101-6, 5 Jiading Road, Shibei District, Qingdao, Shandong.

Patentee after: Qingdao extreme Creative Technology Limited

Address before: 266044 Baoli Lily Garden 12, Jinhua Branch Road, Shibei District, Qingdao, Shandong 20-1-801

Patentee before: Zhu Dewei

TR01 Transfer of patent right
AV01 Patent right actively abandoned

Granted publication date: 20170201

Effective date of abandoning: 20190125

AV01 Patent right actively abandoned