CN208764248U - A kind of turbine and worm rotational structure - Google Patents
A kind of turbine and worm rotational structure Download PDFInfo
- Publication number
- CN208764248U CN208764248U CN201821285646.9U CN201821285646U CN208764248U CN 208764248 U CN208764248 U CN 208764248U CN 201821285646 U CN201821285646 U CN 201821285646U CN 208764248 U CN208764248 U CN 208764248U
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- worm
- turbine
- ball
- spiral alveolar
- worm screw
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Abstract
The utility model discloses a kind of turbine and worm rotational structure, including pedestal and it is rotatably arranged on turbine and worm screw, the worm screw is provided with the circulation canal for being covered with ball, and wherein ball is rolled along the track of circulation canal；The circulation canal includes spiral alveolar and the internal channel for connecting spiral alveolar both ends；The turbine is provided with several arc tooth sockets compatible with spiral alveolar, at least one or more than one ball are meshed with arc tooth socket in spiral alveolar；When the worm is rotated, it drives ball to be rolled and carries out loopy moving along circulation canal, to push worm gear to rotate, so that turbine, worm screw and ball realize that close gapless rolls cooperation, improve transmission accuracy, it reduces turbine and worm-drive and generates abrasion and friction, improve service life and transmission efficiency, and the structure has that load is big, high-intensitive, anti-impact force is strong.
Description
Technical field
The utility model relates to speed reducer fields, more specifically, it relates to a kind of turbine and worm rotational structure.
Background technique
The transmission of worm and worm wheel is known as worm-drive, and worm-drive is a kind of basic mechanical structure, for being driven two
The movement of a spatial intersecting axis and power, because its reduction ratio is big, compact-sized, stable working, noiseless, can damping vibration, can
The advantages that 90 degree of deflectings, is widely used in various speed reducers.But worm-drive be by worm and worm wheel it
Between the friction of teeth face be driven, therefore its intrinsic disadvantage is that abrasion is big, transmission efficiency is low, precision is poor, influences to slow down
Machine transmission accuracy and transmission efficiency.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of turbine and worm rotational structure,
Effectively improve speed reducer drive precision and transmission efficiency.
To achieve the above object, the utility model provides following technical solution:
A kind of turbine and worm rotational structure, including pedestal and the turbine being rotatably arranged on pedestal and worm screw, the snail
Bar is provided with the circulation canal for being covered with ball, and wherein ball is freely rolled along the track of circulation canal；
The circulation canal includes spiral alveolar and the internal channel for connecting spiral alveolar both ends；
The turbine is provided with several arc tooth sockets compatible with spiral alveolar, in spiral alveolar at least one
Or more than one ball is meshed with arc tooth socket；
When the worm is rotated, it pushes ball to be rolled and carries out loopy moving along circulation canal, make at worm spiral angle
Under, so that worm gear be pushed to rotate.
The utility model is further arranged: being provided with pilot hole at the both ends of spiral alveolar, the spiral alveolar passes through
Pilot hole is connected with internal channel.
The utility model is further arranged: the worm set is set there are two guide ring, and described two guide rings are respectively set
It is provided with guide part on the both ends of spiral alveolar, and at guide ring and pilot hole opposite position, the guide part can draw
Guide roll pearl enters on internal channel through pilot hole from spiral alveolar or enters on spiral alveolar from internal channel through pilot hole.
The utility model is further arranged: inlaid hole is arranged in the worm screw, and there are two cooperate for setting in inlaid hole
Excessive semiaxis, the mating surface of each excessively semiaxis is provided with arc inside groove, and two arc inside grooves cooperatively form internal channel.
The utility model is further arranged: the pedestal is arranged for installing the first mounting hole of worm screw and for installing whirlpool
Second mounting hole of wheel, first mounting hole and the second mounting hole be connected, and the worm screw is rotatably arranged on the by bearing
In one mounting hole, the turbine rotates in the second mounting hole of setting also by bearing.
The utility model has the advantages that when worm screw rotates as output end, ball is promoted as driving medium in screw thread the utility model
Worm gear drive is driven under the action of angle, while ball carries out loopy moving, generation along spiral alveolar and internal channel due to friction rolling
Teeth face direct friction is leaned on to be driven between conventional worm and worm gear, so that turbine, worm screw and ball are realized closely continuously
Gap rolls cooperation, improves transmission accuracy, while worm screw drives turbine rotation by ball, and turbine and worm screw is avoided directly to contact,
And becomes rolling friction from sliding friction, reduce turbine and worm-drive generates abrasion and friction, improve service life and pass
Efficiency of movement, and the structure has big load, high intensity, anti-impact force strong.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of turbine and worm rotational structure embodiment of the utility model；
Fig. 2 is the cross-sectional view of pedestal；
Fig. 3 is the structural schematic diagram of turbine；
Fig. 4 is worm screw result schematic diagram；
Fig. 5 is the structural schematic diagram of excessive semiaxis；
Fig. 6 is the cross-sectional view of guide ring.
Description of symbols: 1, pedestal；11, the first mounting hole；12, the second mounting hole；2, turbine；21, arc tooth socket；3,
Worm screw；31, inlaid hole；4, circulation canal；41, spiral alveolar；42, internal channel；43, pilot hole；421, arc inside groove；5, excessively
Semiaxis；6, guide ring；61, guide part；7, ball.
Specific embodiment
A kind of turbine and worm rotational structure embodiment of the utility model is described in further details referring to attached drawing 1 to Fig. 6.
A kind of turbine and worm rotational structure, including pedestal 1 and it is rotatably arranged on turbine 2 and worm screw 3, the pedestal 1 is set
It is equipped with the first mounting hole 11 for installing worm screw 3 and the second mounting hole 12 for installing turbine 2, first mounting hole 11
It is connected with the second mounting hole 12, the worm screw 3 is rotatably arranged in the first mounting hole 11 by bearing, and the turbine 2 also leads to
It crosses in bearing rotation the second mounting hole 12 of setting, the turbine 2 being placed in the second mounting hole is partially disposed in first across what is be connected
It is oppositely arranged in mounting hole 11 with worm screw, wherein worm screw 3 can be connected with servo motor, and worm screw 3 is driven to rotate.
Wherein the worm screw 3 is provided with the circulation canal 4 for being covered with ball 7, and wherein ball 7 can be along the track of circulation canal 4
It freely rolls, while adjacent ball 7 is mutually closely；Wherein the circulation canal 4 includes spiral alveolar 41 and connection helical tooth
The internal channel 42 at 41 both ends of slot is provided with pilot hole 43 at the both ends of spiral alveolar 41, and the spiral alveolar 41 is by leading
It is connected to hole 43 with internal channel 42；Wherein spiral alveolar 41 is arranged on 3 surface of worm screw, the cross section of spiral alveolar 41 and rolling
Pearl 7 is adapted, wherein inlaid hole 31 is arranged in the worm screw 3, is provided in inlaid hole 31 for the ease of processing internal channel 42
The mating surface of two mutually matched excessive semiaxis 5, each excessively semiaxis 5 is provided with arc inside groove 421, two arc inside grooves
421 cooperatively form internal channel 42, realize the processing of internal channel 42.
The turbine 2 is provided with several arc tooth sockets 21 compatible with spiral alveolar 41, in spiral alveolar 41 extremely
Rare one or more than one ball 7 are meshed with arc tooth socket 21；So that 7 a part of ball of engagement is placed in arc-shaped gear
In slot 21, another part is placed in spiral alveolar 41, in order to guarantee that turbine 2 and worm screw 3 are driven, wherein arc tooth socket 21 and helical tooth
41 gap of slot cannot be excessive.
Wherein the worm screw 3 is also arranged there are two guide ring 6, and described two guide rings 6 are separately positioned on spiral alveolar 41
Both ends on, and be provided with guide part 61 at guide ring 6 and 43 opposite position of pilot hole, the guide part 61 can guide rolling
Pearl 7 enters on internal channel 42 through pilot hole 43 from spiral alveolar 41 or enters spiral alveolar 41 from internal channel 42 through pilot hole 43
On, so that the ball 7 rolled in spiral alveolar 41 smoothly enters on internal channel 42 through pilot hole 43 or rolls in internal channel 42
Ball 7 smoothly through pilot hole 43 enter spiral alveolar 41 in, be effectively ensured ball 7 circulation canal 4 carry out loopy moving.
When worm screw 3 rotates as output end, ball 7 is used as driving medium, drives whirlpool under the action of screw thread lifting angle
2 transmission of wheel, while ball 7 carries out loopy moving along spiral alveolar 41 and internal channel 42 due to friction rolling, instead of conventional worm 3
It is driven between worm gear 2 by teeth face direct friction, so that turbine 2, worm screw 3 and ball 7 realize that close gapless rolls
Cooperation improves transmission accuracy, while worm screw drives turbine rotation by ball, becomes rolling friction from sliding friction, reduces whirlpool
Wheel 2 and the transmission of worm screw 3 generate abrasion and friction, improve service life and transmission efficiency, and the structure have load it is big, high-strength
Degree, anti-impact force are strong.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of turbine and worm rotational structure, it is characterized in that: include pedestal and the turbine being rotatably arranged on pedestal and worm screw,
The worm screw is provided with the circulation canal for being covered with ball, and wherein ball is freely rolled along the track of circulation canal；
The circulation canal includes spiral alveolar and the internal channel for connecting spiral alveolar both ends；
The turbine is provided with several arc tooth sockets compatible with spiral alveolar, in spiral alveolar at least one or
More than one ball is meshed with arc tooth socket；
When the worm is rotated, it pushes ball to be rolled and carries out loopy moving along circulation canal, under the effect of worm spiral angle,
To push worm gear to rotate.
2. a kind of turbine and worm rotational structure according to claim 1, it is characterized in that: the both ends in spiral alveolar are respectively provided with
There is pilot hole, the spiral alveolar is connected by two pilot holes with internal channel.
3. a kind of turbine and worm rotational structure according to claim 2, it is characterized in that: the worm set is set, there are two guiding
Ring, described two guide rings are separately positioned on the both ends of spiral alveolar, and are set at guide ring and pilot hole opposite position
It is equipped with guide part, the guide part can guide ball to enter on internal channel or from internal channel through pilot hole through leading from spiral alveolar
Enter on spiral alveolar to hole.
4. a kind of turbine and worm rotational structure according to claim 1 or 2 or 3, it is characterized in that: worm screw setting is inlayed
Hole, there are two mutually matched excessive semiaxis, the mating surface of each excessively semiaxis to be provided with arc inside groove for setting in inlaid hole,
Two arc inside grooves cooperatively form internal channel.
5. a kind of turbine and worm rotational structure according to claim 1 or 2 or 3, it is characterized in that: pedestal setting is used for
The first mounting hole of worm screw and the second mounting hole for installing turbine are installed, first mounting hole and the second mounting hole are connected
Logical, the worm screw is rotatably arranged in the first mounting hole by bearing, and the turbine is also by bearing rotation the second installation of setting
In hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285646.9U CN208764248U (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821285646.9U CN208764248U (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764248U true CN208764248U (en) | 2019-04-19 |
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ID=66130956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821285646.9U Active CN208764248U (en) | 2018-08-10 | 2018-08-10 | A kind of turbine and worm rotational structure |
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| CN (1) | CN208764248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775377A (en) * | 2018-08-10 | 2018-11-09 | 温州维菱机器人有限公司 | A kind of turbine and worm rotational structure |
-
2018
- 2018-08-10 CN CN201821285646.9U patent/CN208764248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775377A (en) * | 2018-08-10 | 2018-11-09 | 温州维菱机器人有限公司 | A kind of turbine and worm rotational structure |
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