CN101319718A - Combined grooved pulley mechanism - Google Patents
Combined grooved pulley mechanism Download PDFInfo
- Publication number
- CN101319718A CN101319718A CNA2008100627826A CN200810062782A CN101319718A CN 101319718 A CN101319718 A CN 101319718A CN A2008100627826 A CNA2008100627826 A CN A2008100627826A CN 200810062782 A CN200810062782 A CN 200810062782A CN 101319718 A CN101319718 A CN 101319718A
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- China
- Prior art keywords
- locking arc
- sheave
- round pin
- dial
- arc convex
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Abstract
The invention relates to a combined sheave mechanism, comprising a driving plate and two driven sheave wheels. Both the front side and the back side of the driving plate are provided with a round pin which transmits the power and a locking arc boss. The front side and the back side of the driving plate drive a driven sheave wheel respectively to rotate; the locking arc bosses of the front side and the back side are opposite in phase. The invention is characterized in compact structure and small weight.
Description
One. technical field
The present invention relates to a kind of knockdown Geneva mechanism
Two. background technique
Geneva mechanism is by the active dial with round pin, and driven sheave and frame with straight trough are formed.Initiatively dial is done to rotate continuously, and when round pin did not enter straight trough, sheave was pinned static because of the locking arc on it by the locking arc convex of dial; When round pin began to enter straight trough, locking arc and locking arc convex were thrown off, and sheave rotates under the driving of round pin; When round pin began to break away from straight trough, sheave was static because of the locking arc is lockable, thereby rotated the unidirectional intermittence of realizing driven sheave.The shortcoming of this mechanism is: sheave is big at the section start and the termination rigid impulse of motion; In the time need converting the continuous revolution of dial the revolution of two intermittences to, need two groups of sheaves to be used, mechanism takes up room greatly, weight is big.
Three, summary of the invention
The present invention will solve big, the shortcoming big, that weight is big that takes up room of existing Geneva mechanism rigid impulse, and a kind of compact structure, light combined grooved pulley mechanism are provided.
Combined grooved pulley mechanism of the present invention comprises initiatively a dial and one first sheave, the locking arc convex of the round pin of even distribution transferring power and pinning sheave on the described dial front; The radius sum of the distance at dial center more than or equal to described round pin radius and described locking arc convex arrived in the center of circle of described round pin; Described locking arc convex outer is a circular contour, and the subtended angle angle of described locking arc convex is that the angle angle adds 180 degree between the groove that two adjacent straight trough center lines form on the described sheave; Even distribution straight trough on the described sheave, described straight trough is terminal for being the semi-circle of diameter with the groove width, the round pin Spielpassung of described straight trough and described dial; Be distributed with between two straight troughs with dial locking arc and cooperate the locking arc that can make sheave static, described locking arc is arc profile, equates with the locking arc convex radius in described dial front, it is characterized in that: described dial reverse side also is distributed with the round pin of transferring power and pins the locking arc convex of sheave, and described dial reverse side is connected second sheave by described round pin with locking arc convex; The locking arc convex of described dial front, reverse side is anti-phase on circle distribution, and both orthographic projections constitute complete circle.
Further, round pin and locking arc convex that described dial reverse side distributes can be that the round pin number equates, has only one section locking arc convex with the straight trough number of described second sheave, and described round pin is evenly distributed on the described locking arc convex circular arc in addition; Locking arc convex straight border follows the angle of the angle of the round pin adjacent with described straight border to be half of the angle of angle between other two adjacent round pins.
Further, described second sheave can be that straight trough evenly distributes, has only one section locking arc.
Concrete design of the present invention is: the front of dial, reverse side all are distributed with round pin and locking arc convex, and each face all is connected sheave by round pin with locking arc convex.Initiatively dial rotates continuously, and positive first sheave that drives earlier of dial rotates, and when round pin did not enter straight trough on first sheave, sheave was pinned static because of the locking arc on it by the locking arc convex of dial; When round pin began to enter straight trough, the locking arc on first sheave broke away from the locking arc convex on the dial front, and first sheave rotates under the driving of round pin, was pinned static because of its locking arc by the locking arc convex in dial front up to first sheave.When first sheave is pinned by described locking arc convex and when static, the round pin adjacent with locking arc convex enters the straight trough of second sheave on the dial reverse side, driving second sheave rotates, when round pin is about to leave straight trough, next round pin enters straight trough, continue to drive second sheave and rotate, pinned by the locking arc convex of dial reverse side up to the locking arc of second sheave, second sheave is static.After second sheave was pinned by the locking arc convex of dial reverse side, the round pin in dial front began to enter first sheave, drove first sheave and rotated.
Four, description of drawings
Fig. 1 is the combined grooved pulley mechanism schematic representation;
Fig. 2 is the dial front schematic view;
Fig. 3 is a dial reverse side schematic representation;
Fig. 4 is the schematic representation of first sheave;
Fig. 5 is first sheave and dial positive combination schematic representation together;
Fig. 6 is the schematic representation of second sheave;
Fig. 7 is the schematic representation that second sheave and dial reverse side are combined;
Five, embodiment
With reference to accompanying drawing:
Realize combined grooved pulley mechanism of the present invention, comprise initiatively a dial 1 and one first sheave 2, the locking arc convex 14 of the round pin 13 of even distribution transferring power and pinning sheave on the described dial front 11; The radius sum of the distance at dial center more than or equal to the radius and the described locking arc convex 14 of described round pin 13 arrived in the center of circle of described round pin 13; Described locking arc convex outer 15 is a circular contour, and the subtended angle angle of described locking arc convex 14 is that the angle angle adds 180 degree between the groove that forms of the center line of two adjacent straight troughs on the described sheave 2.The straight trough 21 that evenly distributes on described first sheave 2, described straight trough 21 is terminal for being the semi-circle 23 of diameter with the groove width, round pin 13 Spielpassung in described straight trough 21 and described dial front 11; Distributing between two straight troughs to cooperate with dial locking arc makes the static locking arc 22 of sheave, described locking arc 22 be arc profile, equate with locking arc convex 14 radiuses in described dial front 11.Described dial reverse side 12 also is distributed with the round pin 13 of transferring power and pins the locking arc convex 14 of sheave, and described dial reverse side 12 is connected second sheave 3 by described round pin 13 with locking arc convex 14; The locking arc convex 14 of described dial front 11, reverse side 12 is anti-phase on circle distribution, and both orthographic projections constitute complete circle.
Further, round pin 13 and locking arc convex 14 that described dial reverse side 12 distributes can be that the round pin number equates, has only one section locking arc convex 14 with the straight trough number of described second sheave 3, and described round pin 13 is evenly distributed on described locking arc convex 14 circular arc in addition; The angle angle that locking arc convex straight border 16 is followed the round pin 131 adjacent with described straight border is half of 13 angle angles of other two adjacent round pins.
Further, described second sheave 3 can be that straight trough 31 evenly distributes, has only one section locking arc 32.
Concrete design of the present invention is: the front 11 of dial, reverse side 12 all are distributed with round pin 13 and locking arc convex 14, and each face all drives a driven sheave and rotates.Initiatively dial 1 rotates continuously, and dial positive 12 drives first sheave 2 earlier and rotates, and when round pin 13 did not enter straight trough 21 on first sheave 2, first sheave 2 was static by locking arc convex 14 pinnings of dial 1 because of the locking arc 22 on it; When round pin 13 begins to enter straight trough 22, the locking arc convex 14 that locking arc 22 on first sheave 2 breaks away from the dial front 11, first sheave 2 rotates under the driving of round pin 13, is pinned static because of its locking arc 22 by the locking arc convex 14 in dial front 11 up to first sheave 2.When first sheave 2 is pinned by described locking arc convex 14 and when static, the round pin 131 adjacent with locking arc convex enters the straight trough 31 of second sheave 3 on the dial reverse side 12, driving second sheave 3 rotates, when round pin 13 is about to leave straight trough 31, next round pin 13 enters straight trough, continue to drive second sheave 3 and rotate, pinned by the locking arc convex 14 of dial reverse side 12 up to the locking arc 32 of second sheave 3, second sheave 3 is static.After second sheave 3 was pinned by the locking arc convex 14 of dial reverse side 12, the round pin 13 in dial front 11 began to enter first sheave 2, drove first sheave 2 and rotated.
The present invention has that rigid impulse is little, compact structure, advantage that weight is little.
The described content of this specification embodiment only is enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.
Claims (3)
1, combined grooved pulley mechanism of the present invention comprises initiatively a dial and one first sheave, the locking arc convex of the round pin of even distribution transferring power and pinning sheave on the described dial front; The radius sum of the distance at dial center more than or equal to described round pin radius and described locking arc convex arrived in the center of circle of described round pin; Described locking arc convex outer is a circular contour, and the subtended angle angle of described locking arc convex is that the angle angle adds 180 degree between the groove that two adjacent straight trough center lines form on the described sheave; Even distribution straight trough on the described sheave, described straight trough is terminal for being the semi-circle of diameter with the groove width, the round pin Spielpassung of described straight trough and described dial; Be distributed with between two straight troughs with dial locking arc and cooperate the locking arc that can make sheave static, described locking arc is arc profile, equates with the locking arc convex radius in described dial front, it is characterized in that: described dial reverse side also is distributed with the round pin of transferring power and makes the static locking arc convex of sheave, and described dial reverse side is connected second sheave by described round pin with locking arc convex; The locking arc convex of described dial front, reverse side is anti-phase on circle distribution, and both orthographic projections constitute complete circle.
2, the round pin and the locking arc convex of the distribution of dial reverse side can be that the round pin number equates, has only one section locking arc convex with the straight trough number of described second sheave according to claim 1, and described round pin is evenly distributed on the described locking arc convex circular arc in addition; Locking arc convex straight border follows the angle of the angle of the round pin adjacent with described straight border to be half of the angle of angle between other two adjacent round pins.
3, second sheave can be that straight trough evenly distributes, has only one section locking arc according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100627826A CN101319718B (en) | 2008-07-03 | 2008-07-03 | Combined grooved pulley mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100627826A CN101319718B (en) | 2008-07-03 | 2008-07-03 | Combined grooved pulley mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101319718A true CN101319718A (en) | 2008-12-10 |
| CN101319718B CN101319718B (en) | 2011-04-13 |
Family
ID=40179920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100627826A Expired - Fee Related CN101319718B (en) | 2008-07-03 | 2008-07-03 | Combined grooved pulley mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101319718B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602673A (en) * | 2012-01-12 | 2012-07-25 | 四川方大新型建材科技开发有限责任公司 | Air-locking feeder of moisture-containing raw material |
| CN104855560A (en) * | 2015-06-01 | 2015-08-26 | 安徽农业大学 | Tea drier |
| CN106763606A (en) * | 2016-12-06 | 2017-05-31 | 昆明理工大学 | It is a kind of with multiple it is dynamic stop than outside geneva mechanism and its application method |
| CN109720634A (en) * | 2018-12-29 | 2019-05-07 | 重庆赛格尔汽车配件有限公司 | Bellows collects baling equipment |
| CN109915562A (en) * | 2019-02-26 | 2019-06-21 | 长沙理工大学 | A kind of combined type Geneva mechanism |
| CN112249785A (en) * | 2020-10-31 | 2021-01-22 | 金华市迅达实业有限公司 | Automatic splitting machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206504B (en) * | 2013-03-21 | 2016-08-10 | 佛山华工祥源环保包装有限公司 | A kind of buffer-type sheave drive mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277313Y (en) * | 2008-07-03 | 2009-07-22 | 浙江工业大学 | Combined grooved pulley mechanism |
-
2008
- 2008-07-03 CN CN2008100627826A patent/CN101319718B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602673A (en) * | 2012-01-12 | 2012-07-25 | 四川方大新型建材科技开发有限责任公司 | Air-locking feeder of moisture-containing raw material |
| CN104855560A (en) * | 2015-06-01 | 2015-08-26 | 安徽农业大学 | Tea drier |
| CN104855560B (en) * | 2015-06-01 | 2017-12-15 | 安徽农业大学 | A kind of tea-leaf withering machine |
| CN106763606A (en) * | 2016-12-06 | 2017-05-31 | 昆明理工大学 | It is a kind of with multiple it is dynamic stop than outside geneva mechanism and its application method |
| CN106763606B (en) * | 2016-12-06 | 2023-09-26 | 昆明理工大学 | Outer sheave mechanism with multiple stop-and-go ratios and use method thereof |
| CN109720634A (en) * | 2018-12-29 | 2019-05-07 | 重庆赛格尔汽车配件有限公司 | Bellows collects baling equipment |
| CN109915562A (en) * | 2019-02-26 | 2019-06-21 | 长沙理工大学 | A kind of combined type Geneva mechanism |
| CN112249785A (en) * | 2020-10-31 | 2021-01-22 | 金华市迅达实业有限公司 | Automatic splitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101319718B (en) | 2011-04-13 |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20130703 |