CN104405782A - Universal connector - Google Patents
Universal connector Download PDFInfo
- Publication number
- CN104405782A CN104405782A CN201410699498.5A CN201410699498A CN104405782A CN 104405782 A CN104405782 A CN 104405782A CN 201410699498 A CN201410699498 A CN 201410699498A CN 104405782 A CN104405782 A CN 104405782A
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- Prior art keywords
- cavity
- spheroid
- joint member
- concave surface
- spherical concave
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Abstract
The invention provides a universal connector. The universal connector comprises a first connector component, a second connector component, an inner bushing, an outer bushing, a locking nut and at least three steel balls; the first connector component is a circular rod of which one end is equipped with a spherical body; the second connector component is a circular barrel in which a limiting ring is arranged; an inner cavity of the circular barrel body is divided into a first cavity and a second cavity through the limiting ring; the inner bushing is of a circular ring structure, and a spherical concave surface in match with the spherical body is arranged at one end of the inner bushing; the outer bushing comprises two components which are both of a semicircular ring structure, and the spherical concave surface in match with the spherical body is arranged at one of the ends of the two components; the inner bushing is mounted in the second cavity of the second connector component; the spherical body of the first connector component is clung to the spherical concave surface of the inner bushing; all steel balls are respectively mounted into a semispherical pit in the spherical body and a concave groove in the inner wall of the second cavity; one end with the spherical concave surface, of the outer bushing is clung to the spherical body of the first connector component; the locking nut is in threaded connection with the second cavity and is in contact with the outer bushing.
Description
Technical field
The present invention relates to the connected element in mechanical structure, the connection joint component that the axial motion transmission particularly in mechanical transmission between diaxon and torque force transmit.
Background technique
The cross universal joint of the many employings of traditional universal joint, structure is as Fig. 8, shown in Fig. 9, first joint member is connected by intermediate member and four pins with the second joint member, described intermediate member is four prisms cylinder, four pins become cross layout, wherein, one end of two pins is welded with the first joint member respectively, their the other end inserts in a hole of intermediate member setting respectively, one end of another two pins is welded with the second joint member respectively, their the other end inserts in a hole of intermediate member setting respectively, the hole that four pins and intermediate member are arranged adopts Spielpassung, form kinematic pair, axial force and torque force is transmitted by this structure.This kind of universal joint has the following disadvantages: (1) first joint member, second is connected to component and intermediate member joint intensity difference, easily destroys.(2), when intermediate connector wearing and tearing and damage, change inconvenient.(3) two ends connect driving shaft and driven shaft each other several angle transmitting torque power time have dead angle phenomenon; When driving shaft angular velocity is constant, driven shaft angular velocity is not constant, changes within the specific limits, thus can produce additional dynamic load, produces vibrations.
Summary of the invention
The object of the invention is to overcome prior art deficiency, a kind of novel universal joint is provided, to increase the service life, in Movement transmit, avoid dead angle phenomenon to occur, and change conveniently.
Universal joint of the present invention, comprises the first joint member, the second joint member, neck bush, external bushing, locking nut and at least three steel balls; First joint member is the circular rod member that one end is provided with spheroid, described spheroid surface is provided with the hemispherical dimples matched with steel ball quantity and size, each pit that to be centrally located at the centre of sphere of spheroid be the center of circle is circumferentially same, the angle between adjacent pit is identical; Second joint member is cylindrical body, limited ring is provided with in described cylindrical body, the inner chamber of this cylindrical body is separated into the first cavity and the second cavity by limited ring, the chamber wall of the first cavity is provided with the hanging hole that two are symmetrical in cylindrical body center line, the inwall of the second cavity is provided with the groove matched with steel ball quantity and size, the position of each groove is corresponding with the pit on described spheroid surface, and the port part section of the second cavity is provided with the internal thread matched with locking nut; Neck bush is circle structure, and its one end is provided with the spherical concave surface mated with spheroid; External bushing is made up of the component of two semicircular ring structures, and component one end of two semicircular ring structures is provided with the spherical concave surface mated with spheroid; The assembling mode of each component: neck bush is arranged in the second cavity of the second joint member, the end face of its one end and described limited ring of not being provided with spherical concave surface is affixed, the spheroid of the first joint member and the spherical concave surface of neck bush are affixed, each steel ball is arranged in the hemispherical dimples on spheroid and the groove on the second cavity inner wall respectively, the spheroid of one end and the first joint member that external bushing is provided with spherical concave surface is affixed, and locking nut is threaded with the second cavity and contacts with external bushing.
In order to adapt to the connection of some movement parts, the first joint member in universal joint of the present invention can arrange center hole, this center hole is run through the circular rod member of composition first joint member and the through hole of spheroid.
Universal joint of the present invention, steel ball is 3 ~ 6.
Universal joint of the present invention, the hanging hole preferred L shape hanging hole that the first cavity body wall of the second joint member is arranged, to realize being connected with the stable of moving link.
The present invention has following beneficial effect:
1, because the connection of the first joint member, the second joint member adopts ball pivot connect and be configured with steel ball, thus joint intensity is good, and when using, frictional force reduces, and wearing and tearing reduce, and are conducive to increasing the service life.
2, the Placement of two joint member in universal joint of the present invention, can avoid driving shaft and driven shaft each other several angle transmitting torque power time produce dead angle phenomenon.
3, the Placement of two joint member in universal joint of the present invention, can realize assembling fast, and it is convenient to change, and increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of universal joint of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the structural representation of the second joint member;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the P-P sectional view of Fig. 3;
Fig. 6 is the structural representation of the second joint member;
Fig. 7 is the connection diagram of universal joint of the present invention and honing head, honing lever
Fig. 8 is the schematic diagram of cross universal joint of the prior art
Fig. 9 is the M-M sectional drawing of Fig. 8.
In figure, 1 first joint member, 1-1 spheroid, 1-2 hemispherical dimples, 1-3 center hole, 2 locking nuts, 3 second joint member, 3-1 limited ring, 3-2 first cavity, 3-2-1 hanging hole, 3-3 second cavity, 3-3-1 groove, 3-3-2 internal thread, 4 steel balls, 5 neck bushs, 6 external bushings, 7 workpieces to be machined, 8 honing heads, 9 push rods, 10 honing levers, pin in 11 cross universal joints, 12 intermediate members, the first joint member in 13 cross universal joints, the second joint member in 14 cross universal joints.
Embodiment
By reference to the accompanying drawings the structure of universal joint of the present invention and use to be described further below by embodiment.
Embodiment 1
Universal joint described in the present embodiment is used for the connection of honing head and honing lever, and its structure as shown in Figure 1 and Figure 2, is made up of the first joint member 1, second joint member 3, neck bush 5, external bushing 6, locking nut 2 and four steel balls 4.The sphere diameter of described steel ball 4 is Φ 8mm, first joint member 1 is provided with the Step Circular rod member of spheroid for one end, the sphere diameter of described spheroid 1-1 is Φ 30mm, spheroid surface is provided with the hemispherical dimples 1-2 matched with steel ball quantity and size, each pit that to be centrally located at the centre of sphere of spheroid be the center of circle is circumferentially same, angle between adjacent pit is identical, be 90 °, first joint member 1 is provided with center hole 1-3, and this center hole is run through the circular rod member of composition first joint member and the through hole of spheroid; Second joint member 3 is cylindrical body, limited ring 3-1 is provided with in described cylindrical body, the inner chamber of this cylindrical body is separated into the first cavity 3-2 and the second cavity 3-3 by limited ring, the chamber wall of the first cavity is provided with the L shape hanging hole 3-2-1 that two are symmetrical in cylindrical body center line, the inwall of the second cavity is provided with the groove 3-3-1 matched with steel ball quantity and size, the position of each groove is corresponding with the pit on described spheroid surface, and the port part section of the second cavity is provided with the internal thread 3-3-2 matched with locking nut 2; Neck bush 5 is circle structure, and its one end is provided with the spherical concave surface mated with spheroid 1-1; External bushing 6 is made up of the component of two semicircular ring structures, and component one end of two semicircular ring structures is provided with the spherical concave surface mated with spheroid 1-1; The assembling mode of above-mentioned component: neck bush 5 is arranged in the second cavity 3-3 of the second joint member 3, the end face of its one end and described limited ring 3-1 of not being provided with spherical concave surface is affixed, the spheroid 1-1 of the first joint member 1 and the spherical concave surface of neck bush 5 are affixed, each steel ball 4 is arranged in the hemispherical dimples on spheroid and the groove on the second cavity inner wall respectively, the spheroid 1-1 of one end and the first joint member that external bushing 6 is provided with spherical concave surface is affixed, and locking nut 2 is threaded with the second cavity and contacts with external bushing.
Embodiment 2
Universal joint described in embodiment 1 is used for the connection of honing head 8 and honing lever 10 by the present embodiment, inner bore honing processing is carried out to workpiece to be machined 7, Placement as shown in Figure 7, honing lever 10 welds with the first joint member 1 in universal joint, honing head 8 is connected by hanging hole 3-2-1 with the second joint member 3, and the push rod 9 on honing lever 10 contacts with honing head 8 through the center hole of the first joint member 1.Use institute of the present invention universal joint, honing head 8 (driven shaft) angular velocity is consistent with honing lever 10 (driving shaft) angular velocity, and formed between them and do not fall lower powered flexibly connecting, thus do not produce vibrations during honing, endoporus quality of processing is stablized.
Claims (5)
1. a universal joint, comprise the first joint member (1), the second joint member (3), characterized by further comprising neck bush (5), external bushing (6), locking nut (2) and at least three steel balls (4);
First joint member (1) is provided with the circular rod member of spheroid for one end, described spheroid (1-1) surface is provided with the hemispherical dimples (1-2) matched with steel ball quantity and size, each pit that to be centrally located at the centre of sphere of spheroid be the center of circle is circumferentially same, the angle between adjacent pit is identical;
Second joint member (3) is cylindrical body, limited ring (3-1) is provided with in described cylindrical body, the inner chamber of this cylindrical body is separated into the first cavity (3-2) and the second cavity (3-3) by limited ring, the chamber wall of the first cavity is provided with the hanging hole (3-2-1) that two are symmetrical in cylindrical body center line, the inwall of the second cavity is provided with the groove (3-3-1) matched with steel ball quantity and size, the position of each groove is corresponding with the pit on described spheroid surface, the port part section of the second cavity is provided with the internal thread (3-3-2) matched with locking nut (2),
Neck bush (5) is circle structure, and its one end is provided with the spherical concave surface mated with spheroid (1-1); External bushing (6) is made up of the component of two semicircular ring structures, and component one end of two semicircular ring structures is provided with the spherical concave surface mated with spheroid (1-1);
Neck bush (5) is arranged in second cavity (3-3) of the second joint member (3), the end face of its one end and described limited ring (3-1) of not being provided with spherical concave surface is affixed, the spheroid (1-1) of the first joint member (1) and the spherical concave surface of neck bush (5) are affixed, each steel ball (4) is arranged in the hemispherical dimples on spheroid and the groove on the second cavity inner wall respectively, the spheroid (1-1) of one end and the first joint member that external bushing (6) is provided with spherical concave surface is affixed, locking nut (2) is threaded with the second cavity and contacts with external bushing.
2. universal joint according to claim 1, it is characterized in that described first joint member (1) is provided with center hole (1-3), this center hole is run through the circular rod member of composition first joint member and the through hole of spheroid.
3. universal joint according to claim 1 or 2, is characterized in that described steel ball (4) is 3 ~ 6.
4. universal joint according to claim 1 or 2, is characterized in that the hanging hole (3-2-1) that the first cavity body wall is arranged is L shape hanging hole.
5. universal joint according to claim 3, is characterized in that the hanging hole (3-2-1) that the first cavity body wall is arranged is L shape hanging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699498.5A CN104405782A (en) | 2014-11-26 | 2014-11-26 | Universal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699498.5A CN104405782A (en) | 2014-11-26 | 2014-11-26 | Universal connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405782A true CN104405782A (en) | 2015-03-11 |
Family
ID=52643433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410699498.5A Pending CN104405782A (en) | 2014-11-26 | 2014-11-26 | Universal connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405782A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015266A (en) * | 2018-08-30 | 2018-12-18 | 曾洪都 | A kind of belt sander |
| CN110319112A (en) * | 2019-07-06 | 2019-10-11 | 余红超 | A kind of Universal-joint connected pipe |
| CN114750065A (en) * | 2022-04-29 | 2022-07-15 | 中航动力株洲航空零部件制造有限公司 | Honing device and honing equipment for inner hole of cylinder of aero-engine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047640A (en) * | 1989-06-02 | 1990-12-12 | 太原机械学院 | Ultrasonic vibration honing device |
| RU2082591C1 (en) * | 1994-10-12 | 1997-06-27 | Акционерное общество "Нижнетагильский металлургический комбинат" | Tool for machining cylindrical holes by method of surface plastic deformation |
| CN1237498A (en) * | 1999-06-09 | 1999-12-08 | 华北工学院 | vertical ultrasonic honing device |
| CN101278136A (en) * | 2005-12-28 | 2008-10-01 | 麻电子工业株式会社 | Coupling |
| CN102240960A (en) * | 2011-07-20 | 2011-11-16 | 河南理工大学 | Ultra-precise ultrasonic honing device |
| CN203438056U (en) * | 2013-08-16 | 2014-02-19 | 宁夏中卫大河机床有限责任公司 | Cooling liquid automatic conveying horizontal deep hole honing machine |
| CN204344729U (en) * | 2014-11-26 | 2015-05-20 | 四川法斯特机械制造有限责任公司 | A kind of universal joint |
-
2014
- 2014-11-26 CN CN201410699498.5A patent/CN104405782A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047640A (en) * | 1989-06-02 | 1990-12-12 | 太原机械学院 | Ultrasonic vibration honing device |
| RU2082591C1 (en) * | 1994-10-12 | 1997-06-27 | Акционерное общество "Нижнетагильский металлургический комбинат" | Tool for machining cylindrical holes by method of surface plastic deformation |
| CN1237498A (en) * | 1999-06-09 | 1999-12-08 | 华北工学院 | vertical ultrasonic honing device |
| CN101278136A (en) * | 2005-12-28 | 2008-10-01 | 麻电子工业株式会社 | Coupling |
| CN102240960A (en) * | 2011-07-20 | 2011-11-16 | 河南理工大学 | Ultra-precise ultrasonic honing device |
| CN203438056U (en) * | 2013-08-16 | 2014-02-19 | 宁夏中卫大河机床有限责任公司 | Cooling liquid automatic conveying horizontal deep hole honing machine |
| CN204344729U (en) * | 2014-11-26 | 2015-05-20 | 四川法斯特机械制造有限责任公司 | A kind of universal joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015266A (en) * | 2018-08-30 | 2018-12-18 | 曾洪都 | A kind of belt sander |
| CN110319112A (en) * | 2019-07-06 | 2019-10-11 | 余红超 | A kind of Universal-joint connected pipe |
| CN114750065A (en) * | 2022-04-29 | 2022-07-15 | 中航动力株洲航空零部件制造有限公司 | Honing device and honing equipment for inner hole of cylinder of aero-engine |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
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| WD01 | Invention patent application deemed withdrawn after publication |