CN85104974B - Conduct pipe type ball worn - Google Patents
Conduct pipe type ball worn Download PDFInfo
- Publication number
- CN85104974B CN85104974B CN85104974A CN85104974A CN85104974B CN 85104974 B CN85104974 B CN 85104974B CN 85104974 A CN85104974 A CN 85104974A CN 85104974 A CN85104974 A CN 85104974A CN 85104974 B CN85104974 B CN 85104974B
- Authority
- CN
- China
- Prior art keywords
- ball
- retainer
- worm
- worm screw
- conduit
- 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.)
- Expired
Links
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Gear Transmission (AREA)
Abstract
The present invention relates to a catheter type ball worm which belongs to a gear driving device for driving the ball worm. The catheter type ball worm is composed of a worm, a ball, a spiral holder and a catheter, wherein the thread groove of the worm, the spiral holder, the catheter and the axial through hole of the worm form a ball circulation channel together; the connecting points among the sections of the channel are not more than 4; the turn angles are all obtuse angles; the working curve of the spiral holder on the axial section of the worm is a straight line or a curve. Compared with other ball worms in the field, the ball commutator of the present invention has the advantages of simple structure, smaller moving resistance and impact of the ball, and higher efficiency.
Description
The invention belongs to gear drive.
In the prior art field, the commutator of ball worn is a block structure, this type of diverter member is many, complex structure, the hop count of ball-recirculation passage and the joint between each section (calling " intersegmental joint " in the following text) more (〉=4), and two places or more right-angled bend are arranged, thereby circulation is smooth inadequately, and bring meaningless power loss.
The objective of the invention is to: to reduce circulation canal member and the way of avoiding the circulation canal turn sharp, design a kind of conduct pipe type ball worn, thereby it is smooth to guarantee that ball rolls, and improves transmission efficiency with novel commutator.
Conduct pipe type ball worn of the present invention comprises worm screw, ball, retainer and conduct pipe type ball commutator.Retainer (3) is the bung flange (seeing accompanying drawing 1) with the worm screw uniform pitch, the conduit of ball commutator (4), (4 '), the upper end is connected with spirality retainer (3) two ends, the left and right sides respectively or makes one, the epimere of retainer (3) and conduit (4), (4 ') lays along the helix of worm screw (1), the hypomere of conduit (4), (4 ') is the easy curve of turning in the obtuse angle, the lower end is linked up mutually with the axial hole of worm screw (1) respectively, thereby is that ball (2) constitutes a polishing and slick and sly circulation canal with worm screw (1) spiral chute.
Description of drawings:
The plan view of Fig. 1, conduct pipe type ball worn.
The left view of Fig. 2, conduct pipe type ball worn (Fig. 1).
The A of Fig. 3, conduct pipe type ball worn (Fig. 1) is to view.
Fig. 4, the working curve of retainer on the worm screw axial section.
Be a most preferred embodiment of the present invention below.Description and accompanying drawing by this embodiment have provided details of the present invention.
In the present embodiment, worm screw (1) axially has a through hole that nominal diameter is identical with ball.Retainer (3) is the spirality with the worm screw uniform pitch, and is enclosed within the ball outside, and its effect is to be used for ball (2) to lead and prevent that ball from escaping.The epimere of this and conduit (4), (4 ') lays along the helix of worm screw (1), the hypomere of two pipes is the mild curve of turning in the obtuse angle, can be that like this ball (2) constitutes a polishing and slick and sly circulation canal, and worm screw (1), ball (2), spirality retainer (3) and conduit (4), (4 ') constitute one can together rotating " conduct pipe type ball worn ".Fill ball in the circulation canal.Worm screw (1) links into an integrated entity by the shaft shoulder and this axle of flat key (7), sleeve (5) and axle (6) right-hand member.
During work, axle (6) revolution, frictional force on worm gear (representing with fine line among Fig. 1) and ball (2) point of contact just drives ball (2) advances with respect to worm screw (1) revolution and along its spiral chute, thereby makes ball (2) be able to flow along the whole circulation channel cycle.
Spirality retainer (3) can glued joint or weld with conduit (4), (4 '), and material is metal or plastics.The working curve of retainer (3) on worm screw (1) axial section is straight line or curve (Fig. 4).
The present invention can implement by Fig. 1 to Fig. 4.In addition, still one can be made in retainer (3) and conduit (4), (4 ').The former ball-recirculation passage is 4 section 4 contact, and latter's circulation canal is 2 section 2 contact, and structure is more simple, more help the flexible running of ball, but technology difficulty is bigger.
The present invention does not have right angle or acute angle to turn because the hop count of ball-recirculation passage and intersegmental contact are no more than 4, thus simple in structure, ball resistance to motion and impact lessly, efficient is higher.
Conduct pipe type ball worn of the present invention is used for the ball worn transmission.
Claims (2)
1, a kind of conduct pipe type ball worn, it comprises worm screw, ball, retainer and conduct pipe type ball commutator, feature of the present invention is, described retainer (3) is the bung flange with the worm screw uniform pitch, the conduit of described ball commutator (4), (4 '), the upper end is connected with spirality retainer (3) two ends, the left and right sides respectively or makes one, retainer (3) and conduit (4), the epimere of (4 ') lays along the helix of worm screw (1), conduit (4), the hypomere of (4 ') is the easy curve of turning in the obtuse angle, the lower end is linked up mutually with the axial hole of worm screw (1) respectively, thereby is that ball (2) constitutes a polishing and slick and sly circulation canal with worm screw (1) spiral chute.
2, conduct pipe type ball worn according to claim 1, it is characterized in that, being connected between spirality retainer (3) and conduit (4), (4 ') gluedd joint or welding, and when the material of spirality retainer (3) and conduit (4), (4 ') was plastics, they also can be made into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104974A CN85104974B (en) | 1985-06-28 | 1985-06-28 | Conduct pipe type ball worn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104974A CN85104974B (en) | 1985-06-28 | 1985-06-28 | Conduct pipe type ball worn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104974A CN85104974A (en) | 1987-01-07 |
| CN85104974B true CN85104974B (en) | 1988-11-30 |
Family
ID=4794177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85104974A Expired CN85104974B (en) | 1985-06-28 | 1985-06-28 | Conduct pipe type ball worn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85104974B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068419C (en) * | 1998-08-06 | 2001-07-11 | 石德武 | Rolling ring screw pair device and rolling ring screw pair water tap |
| CN103615499A (en) * | 2013-09-30 | 2014-03-05 | 李泰安 | Ball worm gear pair |
-
1985
- 1985-06-28 CN CN85104974A patent/CN85104974B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85104974A (en) | 1987-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |