CN103206499A - Conical swing thrust shaft device - Google Patents
Conical swing thrust shaft device Download PDFInfo
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- CN103206499A CN103206499A CN2013101206295A CN201310120629A CN103206499A CN 103206499 A CN103206499 A CN 103206499A CN 2013101206295 A CN2013101206295 A CN 2013101206295A CN 201310120629 A CN201310120629 A CN 201310120629A CN 103206499 A CN103206499 A CN 103206499A
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- end cap
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Abstract
A conical swing thrust shaft device comprises a transmission shaft (10), a thrust plate (20), a first end cover (30), multiple balls (40), a second end cover (50) and at least one thrust rod (60). The transmission shaft (10) is connected with the thrust plate (20) and the first end cover (30) respectively through the multiple balls (40), the first end cover (30) is connected with the second end cover (50), the thrust rod (60) is movably mounted on the second end cover (50) and connected with the thrust plate (20) and a stressed member respectively, and when the transmission shaft (10) rotates, the transmission shaft pushes the thrust plate (20) to conically swing through the multiple balls (40) and drives the thrust rod (60) to reciprocate. The conical swing thrust shaft device can convert circular motion into multipoint and multiphase reciprocating motion, and has the advantages of small size, high operating efficiency, long service life, reliability in operation, and the like.
Description
[technical field]
The present invention relates to the machinery of method of operation conversion, particularly relate to a kind of reciprocatory motion that circular movement can be changed into multiple spot and leggy, or change reciprocatory motion into rotatablely move circular cone swing thrust axis device.
[background technique]
In mechanical field, many occasions all need to change the circular movement of machinery into reciprocatory motion, the machinery of realizing this transformation is generally cam mechanism, crankshaft ﹠ connecting, eccentric mechanism etc., this class mechanism is by driven by motor axle rotation, and to drive linear movement parts reciprocating for the cam of the output terminal by being contained in axle, connecting rod, eccentric wheel etc. again.In these mechanisms, axle is except bearing moment of torsion, also can bear the effect of power such as moment of flexure, shearing force, the effect of these external force can cause the reduction in the working life of axle, the more important thing is that in order to bear these external force effects, normally the size with axle strengthens, carry active force by adding large volume, and the increase of the size of axle can cause the increase of equipment volume.On the other hand, all have slide member in the mechanisms such as cam, connecting rod, these slide members are in operation and have sliding friction, cause the reduction of mechanism's operational efficiency and influence working life of equipment.
[summary of the invention]
The present invention is intended to address the above problem, and a kind of reciprocatory motion that circular movement can be changed into multiple spot, leggy is provided, and volume is little, operational efficiency height, long service life, the circular cone swing thrust axis device of reliable operation.
For achieving the above object, the invention provides a kind of circular cone swing thrust axis device, this device comprises transmission shaft, thrust plate, first end cap, a plurality of balls, second end cap and at least one track bar, wherein, one end of described transmission shaft is provided with the shaft shoulder of coaxial line with it, axis with the first end face crossing end of transmission shaft and the transmission shaft shaft shoulder is perpendicular, the shaft shoulder away from second end slope of transmission shaft in described first end face, transmission shaft links to each other with thrust plate and first end cap by a plurality of balls respectively, first end cap is connected with second end cap, the track bar activity is installed on second end cap, and is connected with thrust plate and stressed member respectively, and
When transmission shaft rotated, it promoted thrust plate by a plurality of balls and does the circular cone swing, and did reciprocatory motion by the track bar driving stressed member of out of phase.
In another program of the present invention, this device comprises transmission shaft, thrust plate, first end cap, a plurality of balls, second end cap and at least one track bar, wherein, one end of described transmission shaft is provided with the shaft shoulder of coaxial line with it, axis with the first end face crossing end of transmission shaft and the transmission shaft shaft shoulder is perpendicular, the shaft shoulder away from second end slope of transmission shaft in described first end face, transmission shaft links to each other with thrust plate and first end cap by a plurality of balls respectively, first end cap is connected with second end cap, the track bar activity is installed on second end cap, and be connected with thrust plate and reciprocating member respectively, and
When the reciprocating member of out of phase is done reciprocatory motion, do the circular cone swing through the track bar promotion thrust plate of out of phase, and rotate by a plurality of balls promotion transmission shafts.
First end face and second end face at the shaft shoulder are respectively equipped with the first annular ball grooves and the second annular ball grooves.
Thrust plate is the opposite side of circular tabular body and second end face of being located at the shaft shoulder, thrust plate parallels with second end face of the described shaft shoulder, and the one side relative with second end face of the shaft shoulder of thrust plate is provided with the three annular ball grooves corresponding with the described second annular ball grooves.
The center of first end cap is provided with axis hole, and its inboard is provided with the columniform cavity of the shaft shoulder of ccontaining described thrust plate and transmission shaft, is provided with the Fourth Ring shape ball grooves corresponding with the described first annular ball grooves in the bottom surface of this cavity.
A plurality of balls are contained in respectively between the described first annular ball grooves and Fourth Ring shape ball grooves and the second annular ball grooves and the 3rd annular ball grooves.
Second end cap is connected with described first end cap, and the side that the cavity with first end cap of this second end cap is relative central tapered is provided with at least one track bar hole at second end cap.
Track bar is movably set in the described track bar hole, and the one end contacts with described thrust plate, and the other end contacts with stressed member.
Second end slope of the transmission shaft shaft shoulder is 0 °＜α＜45 ° in the inclination alpha of described first end face.
The conical surface of the taper of second end cap and angle α perpendicular to the plane of its central axis are 0 °＜α＜45 °.
The intersection point of the one side that the medial axis of described thrust plate is relative with described second end cap with thrust plate is positioned on the medial axis of described transmission shaft, and coincides with the summit of the conical surface of second end cap.
Top at the conical surface of described second end cap is provided with hemisphere jut, the centre of sphere of this hemisphere jut is positioned at the intersection point of the medial axis of the described thrust plate one side relative with described second end cap with thrust plate, the one side relative with second end cap at described thrust plate is provided with the spherical pit corresponding with described hemisphere jut, described hemisphere jut places in this spherical pit versatilely, forms ball pivot.
Contribution of the present invention is that it efficiently solves the problems that exist in the prior art.Cooperating of the cone structure of the present invention by tilting thrust plate and second end cap, make the circular movement of transmission shaft change the reciprocatory motion multiple spot of track bar, the reciprocatory motion of leggy into, and the to-and-fro motion of multiple spot, leggy can be changed into and rotatablely move.Therefore this device is compared existing apparatus, it is little to have volume, operational efficiency height, long service life, the characteristics that reliable operation etc. are outstanding, but and make this device extensive use circular movement need be changed into reciprocatory motion or to-and-fro motion changed into the occasion that rotatablely moves.
[description of drawings]
Fig. 1 is overall structure sectional view of the present invention.
Fig. 2 is transmission shaft structure schematic representation of the present invention, and wherein, Fig. 2 A is plan view, and Fig. 2 B is the plan view of Fig. 2 A, and Fig. 2 C is the worm's eye view of Fig. 2 A.
Fig. 3 is thrust plate structural representation of the present invention, and wherein, Fig. 3 A is plan view, and Fig. 3 B is the plan view of Fig. 3 A.
Fig. 4 is the first end cover structure schematic representation of the present invention, and wherein, Fig. 4 A is sectional view, and Fig. 4 B is the worm's eye view of Fig. 4 A.
Fig. 5 is the second end cover structure schematic representation of the present invention, and wherein, Fig. 5 A is sectional view, and Fig. 5 B is the plan view of Fig. 5 A.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Consult Fig. 1, circular cone swing thrust axis device of the present invention comprises transmission shaft 10, thrust plate 20, first end cap 30, a plurality of ball 40, second end cap 50 and at least one track bar 60.
Shown in Fig. 2 A～Fig. 2 C, one end of described transmission shaft 10 is connected with drive motor, its the other end is provided with the shaft shoulder 11 of coaxial line with it, and first end face 111 with transmission shaft 10 crossing ends of this shaft shoulder 11 is ring surface, and the axis of this ring surface and transmission shaft 10 is perpendicular.Second end face 112 away from transmission shaft 10 of the shaft shoulder 11 favours described first end face 111, and its inclination alpha is 0 °＜α＜45 °, and α is 4 ° in the present embodiment.First end face 111 at the shaft shoulder 11 is provided with the first annular ball grooves 1111, is provided with the second annular ball grooves 1121 at second end face 112 of the shaft shoulder.
Consult Fig. 3 A, Fig. 3 B, described thrust plate 20 is circular tabular body, it is located at the opposite side with second end face 112 of the shaft shoulder 11, thrust plate 20 parallels with second end face 112 of the described shaft shoulder, and one side relative with second end face 112 of the shaft shoulder on the thrust plate 20 is provided with the three annular ball grooves 21 corresponding with the described second annular ball grooves 1121 positions.This thrust plate 20 is swing member, and it can be at the promotion lower swing of the shaft shoulder 11 of transmission shaft.The intersection point of the one side that the medial axis of described thrust plate 20 and thrust plate 20 are relative with described second end cap 50 is positioned on the medial axis of described transmission shaft 10, and coincides with the summit of the conical surface of second end cap 50.Top at the conical surface of described second end cap 50 is provided with hemisphere jut 52, the intersection point of the one side that the medial axis that the centre of sphere of this hemisphere jut is positioned at described thrust plate 20 and thrust plate 20 are relative with described second end cap 50, be provided with the spherical pit 22 corresponding with described hemisphere jut 52 in the one side relative with second end cap 50 of described thrust plate 20, described hemisphere jut 52 places in this spherical pit 22 versatilely, forms ball pivot.
Consult Fig. 4 A, Fig. 4 B, described first end cap 30 is circular lid, and its center is provided with axis hole 31, and transmission shaft 10 is placed through in this axis hole 31, and the first end cap inboard is provided with columniform cavity 32, is used for the shaft shoulder 11 of ccontaining described thrust plate 20 and transmission shaft.Be provided with the Fourth Ring shape ball grooves 321 corresponding with the described first annular ball grooves 1111 in the bottom surface of this cavity 32.
Shown in Fig. 5 A, Fig. 5 B, described second end cap, 50 usefulness bolts and described 30 involutory connections of first end cap, the central authorities of the side that cavity this second end cap 50 and first end cap 32 is relative are the taper to cavity 32 internal projection of first end cap, the conical surface of described taper is with identical perpendicular to the inclination alpha of the angle on the plane of its central axis and described second end face 512 and first end face 511, so that second end face 112 of the shaft shoulder 11 of transmission shaft remains parallel with thrust plate 20.Along the circumferential direction be provided with four track bar holes 51 on second end cap 50 symmetrically, each is equipped with a track bar 60 versatilely in each track bar hole 51.Track bar 60 can move back and forth in this track bar hole 51.
As Fig. 1, described a plurality of balls 40 are contained in respectively between the described first annular ball grooves 1111 and Fourth Ring shape the ball grooves 321 and second annular ball grooves 1121 and the 3rd annular ball grooves 21.The described first annular ball grooves 1111, the second annular ball grooves 1121, the 3rd annular ball grooves 21 and Fourth Ring shape ball grooves 321 are arc-shaped slot.
As Fig. 1, described track bar 60 is movably set in the described track bar hole 51, and the one end contacts with described thrust plate 20, and the other end contacts with stressed member, and described stressed member can be the barrier film of piston, diaphragm pump etc.
As Fig. 1, when transmission shaft 10 was rotated by motor driving, it promoted thrust plates 20 by a plurality of balls 40 and does the circular cone swing, and drove track bar 60 and do reciprocatory motion, moved reciprocatingly thereby drive stressed member.When 20 pairs of stressed members of thrust plate were exerted pressure, stressed member then gave thrust plate 20 with reaction force, and this reaction force is directly delivered to first end cap 30 by ball 40, thereby this reaction force does not apply moment of flexure to transmission shaft 10.
In other embodiments, when needs change to-and-fro motion when rotatablely moving into, described stressed member then is reciprocating member, typically, this reciprocating member is piston, when the piston reciprocates of out of phase, promotes thrust plates 20 through piston and track bar 60 and does the circular cone swing, and promote transmission shafts 10 by a plurality of balls 40 and rotate, make device of the present invention can be used as motor.
Although by above embodiment the present invention is disclosed, protection scope of the present invention is not limited thereto, and is not departing under the condition of the present invention design, and the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present invention.
Claims (12)
1. a circular cone is swung the thrust axis device, it is characterized in that, this device comprises transmission shaft (10), thrust plate (20), first end cap (30), a plurality of balls (40), second end cap (50) and at least one track bar (60), wherein, one end of described transmission shaft (10) is provided with the shaft shoulder of coaxial line (11) with it, first end face (111) with the crossing end of transmission shaft (10) of the shaft shoulder (11) is perpendicular with the axis of transmission shaft (10), second end face (112) away from transmission shaft (10) of the shaft shoulder (11) favours described first end face (111), transmission shaft (10) links to each other with thrust plate (20) and first end cap (30) by a plurality of balls (40) respectively, first end cap (30) is connected with second end cap (50), track bar (60) activity is installed on second end cap (50), and be connected with thrust plate (20) and stressed member respectively, and
When transmission shaft (10) rotated, it promoted thrust plate (20) by a plurality of balls (40) and does the circular cone swing, and did reciprocatory motion by track bar (60) the driving stressed member of out of phase.
2. circular cone as claimed in claim 1 is swung the thrust axis device, it is characterized in that, this device comprises transmission shaft (10), thrust plate (20), first end cap (30), a plurality of balls (40), second end cap (50) and at least one track bar (60), wherein, one end of described transmission shaft (10) is provided with the shaft shoulder of coaxial line (11) with it, first end face (111) with the crossing end of transmission shaft (10) of the shaft shoulder (11) is perpendicular with the axis of transmission shaft (10), second end face (112) away from transmission shaft (10) of the shaft shoulder (11) favours described first end face (111), transmission shaft (10) links to each other with thrust plate (20) and first end cap (30) by a plurality of balls (40) respectively, first end cap (30) is connected with second end cap (50), track bar (60) activity is installed on second end cap (50), and be connected with thrust plate (20) and reciprocating member respectively, and
When the reciprocating member of out of phase is done reciprocatory motion, do the circular cone swing through track bar (60) the promotion thrust plate (20) of out of phase, and rotate by a plurality of balls (40) promotion transmission shafts (10).
3. circular cone as claimed in claim 1 or 2 swing thrust axis device is characterized in that, is respectively equipped with the first annular ball grooves (1111) and the second annular ball grooves (1121) at first end face (111) and second end face (112) of the shaft shoulder (11).
4. circular cone as claimed in claim 1 or 2 is swung the thrust axis device, it is characterized in that, described thrust plate (20) is circular tabular body and the opposite side of being located at second end face (112) of the shaft shoulder (11), thrust plate parallels with second end face (112) of the described shaft shoulder, and the one side relative with second end face shaft shoulder (112) thrust plate (20) is provided with the three annular ball grooves (21) corresponding with the described second annular ball grooves (1121).
5. circular cone as claimed in claim 1 or 2 is swung the thrust axis device, it is characterized in that, the center of described first end cap (30) is provided with axis hole (31), its inboard is provided with the columniform cavity (32) of the shaft shoulder (11) of ccontaining described thrust plate (20) and transmission shaft, is provided with the Fourth Ring shape ball grooves (321) corresponding with the described first annular ball grooves (1111) in the bottom surface of this cavity (32).
6. circular cone as claimed in claim 1 or 2 is swung the thrust axis device, it is characterized in that described a plurality of balls (40) are contained in respectively between the described first annular ball grooves (1111) and Fourth Ring shape ball grooves (321) and the second annular ball grooves (1121) and the 3rd annular ball grooves (21).
7. circular cone as claimed in claim 1 or 2 is swung the thrust axis device, it is characterized in that, described second end cap (50) is connected with described first end cap (30), a side relative with cavity first end cap (32) this second end cap (50) central tapered is provided with at least one track bar hole (51) at second end cap (50).
8. circular cone swing thrust axis device as claimed in claim 1 or 2 is characterized in that described track bar (60) is movably set in the described track bar hole (51), and the one end contacts with described thrust plate (20), and the other end contacts with stressed member.
9. circular cone as claimed in claim 1 or 2 swing thrust axis device is characterized in that, the inclination alpha that second end face (112) of the described transmission shaft shaft shoulder favours described first end face (111) is 0 °＜α＜45 °.
10. circular cone as claimed in claim 7 swing thrust axis device is characterized in that, the conical surface of the taper of described second end cap (50) and angle α perpendicular to the plane of its central axis are 0 °＜α＜45 °.
11. circular cone swing thrust axis device as claimed in claim 4, it is characterized in that, the intersection point of the one side that the medial axis of described thrust plate (20) is relative with described second end cap (50) with thrust plate (20) is positioned on the medial axis of described transmission shaft (10), and coincides with the summit of the conical surface of second end cap (50).
12. circular cone swing thrust axis device as claimed in claim 11, it is characterized in that, top at the conical surface of described second end cap (50) is provided with hemisphere jut (52), the centre of sphere of this hemisphere jut is positioned at the intersection point of the medial axis of described thrust plate (20) one side relative with described second end cap (50) with thrust plate (20), the one side relative with second end cap (50) at described thrust plate (20) is provided with the spherical pit (22) corresponding with described hemisphere jut (52), described hemisphere jut (52) places in this spherical pit (22) versatilely, forms ball pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310120629.5A CN103206499B (en) | 2013-03-13 | 2013-04-09 | Conical swing thrust shaft device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080324.6 | 2013-03-13 | ||
| CN201310080324 | 2013-03-13 | ||
| CN201310120629.5A CN103206499B (en) | 2013-03-13 | 2013-04-09 | Conical swing thrust shaft device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103206499A true CN103206499A (en) | 2013-07-17 |
| CN103206499B CN103206499B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310120629.5A Active CN103206499B (en) | 2013-03-13 | 2013-04-09 | Conical swing thrust shaft device |
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| CN (1) | CN103206499B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333079A (en) * | 2015-11-29 | 2016-02-17 | 北京工业大学 | Movable tooth cam mechanism capable of achieving single-shaft constant-speed input and double-shaft variable-speed swing output |
| CN108160486A (en) * | 2017-12-07 | 2018-06-15 | 丁年生 | 2,3- of one kind bis- bromo- 5 screens filtering device and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304555A (en) * | 1928-06-05 | 1929-01-24 | Reginald Donovan Boyce | Improvements in multiple-cylinder reciprocatory pumps and fluid-actuated motors of the swashplate type |
| WO1991009228A1 (en) * | 1989-12-19 | 1991-06-27 | Hanning Elektro-Werke Gmbh & Co. | High-pressure swash-plate pump |
| DE19522012A1 (en) * | 1995-06-21 | 1997-01-02 | Schaeffler Waelzlager Kg | Swashplate drive for axial piston pump |
| CN101208542A (en) * | 2005-05-20 | 2008-06-25 | 谢夫勒两合公司 | Swash plate mechanism |
| CN201215162Y (en) * | 2005-12-06 | 2009-04-01 | 谢夫勒两合公司 | Swinging turntable transmission gear |
-
2013
- 2013-04-09 CN CN201310120629.5A patent/CN103206499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304555A (en) * | 1928-06-05 | 1929-01-24 | Reginald Donovan Boyce | Improvements in multiple-cylinder reciprocatory pumps and fluid-actuated motors of the swashplate type |
| WO1991009228A1 (en) * | 1989-12-19 | 1991-06-27 | Hanning Elektro-Werke Gmbh & Co. | High-pressure swash-plate pump |
| DE19522012A1 (en) * | 1995-06-21 | 1997-01-02 | Schaeffler Waelzlager Kg | Swashplate drive for axial piston pump |
| CN101208542A (en) * | 2005-05-20 | 2008-06-25 | 谢夫勒两合公司 | Swash plate mechanism |
| CN201215162Y (en) * | 2005-12-06 | 2009-04-01 | 谢夫勒两合公司 | Swinging turntable transmission gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333079A (en) * | 2015-11-29 | 2016-02-17 | 北京工业大学 | Movable tooth cam mechanism capable of achieving single-shaft constant-speed input and double-shaft variable-speed swing output |
| CN105333079B (en) * | 2015-11-29 | 2017-09-01 | 北京工业大学 | A kind of single shaft is at the uniform velocity inputted, biaxial variable-speed swings the oscillating tooth cam mechanism exported |
| CN108160486A (en) * | 2017-12-07 | 2018-06-15 | 丁年生 | 2,3- of one kind bis- bromo- 5 screens filtering device and its application method |
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|---|---|
| CN103206499B (en) | 2015-01-07 |
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Effective date of registration: 20220817 Address after: 410600 no.197, section 4, Jinzhou Avenue, Ningxiang Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Chutianyuanchuang Biotechnology (Changsha) Co.,Ltd. Address before: 518053 5a, building 11, Yujing Dongfang, Nanshan District, Shenzhen, Guangdong Province Patentee before: Xiao Lifeng |
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