CN1068662C - Engagement overdrive clutch - Google Patents
Engagement overdrive clutch Download PDFInfo
- Publication number
- CN1068662C CN1068662C CN97106694A CN97106694A CN1068662C CN 1068662 C CN1068662 C CN 1068662C CN 97106694 A CN97106694 A CN 97106694A CN 97106694 A CN97106694 A CN 97106694A CN 1068662 C CN1068662 C CN 1068662C
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- CN
- China
- Prior art keywords
- ratchet
- shifting block
- casing
- housing
- engagement
- Prior art date
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- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention discloses an engaging overtaking clutch which is characterized in that the engaging overtaking clutch is composed of a casing 1, a ratchet wheel 2, a ratchet claw 3, a ball bearing 4, a shifting block 5 and a leaf spring 6, wherein the casing 1 is composed of two half casings whose shapes are the same, and a fixing screw; the inner side surface of each half casing is provided with a rolling way for arranging the ball bearing 4; the ratchet wheel 2 is fixedly connected with the central shaft L of the ratchet wheel 2; the ratchet claw 3 is arranged on the casing 1 through a pin shaft; the shifting block 5 is fixedly connected with a transmission wheel; a gap is arranged on the shifting block 5; the gap is used for placing the outer end of the ratchet claw 3. Compared with the prior art, the present invention has the advantages of small shape size, large transferring torque, no noise, no slide friction of separation and engagement, flexible and reliable movement, etc. The present invention can meet the use requirement under the intermittent action force and under the work condition of high movement conversion frequency and high rotary speed.
Description
The present invention relates to a kind of overrunning clutch or free wheel device, particularly a kind of engagement overdrive clutch.
Existing engagement overdrive clutch, utilize the engagement transmitting torque of composition elements such as click, castellated tooth, it is a kind of overrunning clutch, be mainly used in rate conversion, prevent to reverse, the occasion of intermittent movement, the advantage of this clutch is simple in structure, easy to manufacture, but exist boundary dimension big, engagement positio is restricted, and defectives such as noise are arranged.
The objective of the invention is to design that a kind of volume is little, noiseless, transmitting torque are big, power consumption provinces, fricton-tight friction, separate and mesh Turin engagement overdrive clutch just, it is superior also to have dynamic balance performance simultaneously, power consumpiton is little, is fit to advantages such as high-speed motion.
A kind of engagement overdrive clutch, it comprises housing 1, ratchet 2, ratchet 3, ball 4, shifting block 5, sheet spring 6, it is characterized in that: housing 1 adopts two half identical shaped shells 11,12 and set screw to form, have a raceway that is used to arrange ball 4 on the inner side surface of each half shell, ratchet 2 is fixedlyed connected with its central axis L, ratchet 3 is installed on the housing 1 by bearing pin, shifting block 5 is fixedlyed connected with drive wheel, have the breach that is used to shelve ratchet 3 outer ends on it, sheet spring 6 is arranged on the shifting block 5, and the number of teeth of described ratchet 2 is an odd number.
A kind of engagement overdrive clutch, it comprises housing 1, ratchet 2, ratchet 3, ball 4, shifting block 5, it is characterized in that: housing 1 adopts two half identical shaped shells 11,12 and set screw to form, the inboard of each half shell has a raceway that is used to arrange ball 4, ratchet 2 is fixedlyed connected with its central axis L, ratchet 3 is installed on the housing 1 by bearing pin, shifting block 5 is fixedlyed connected with drive wheel, has the breach that is used to shelve ratchet 3 outer ends on it, and the number of teeth of described ratchet 2 is an even number.
Described ratchet 2 and the mode of fixedlying connected between its central axis L can be selected a kind of in screw thread, key, spline, the hexagon ring for use.
With prior art relatively, the present invention has following outstanding advantage:
1. boundary dimension is little, and transmitting torque is big;
2. can satisfy the usage requirement under the high working condition of under intermittent action motion converter frequency height, rotating speed;
3. by the effect of shifting block breach, in the time that pawl ratchet is separated, ratchet does not slide on hook tooth, noiseless, because the raceway diameter is little, and the ball number is few, frictional force is little, so flexible movements are reliable simultaneously.
4. with star-wheel ball (post) formula free wheel device, Wedge type over running clutch relatively, all there is heavily stressed wedge action in these clutches, so all want the power of consumes considerable when separating.And the moment of the design's clutch from the engagement to the separated state, except that the frictional force of ball bearing consumes the limited power, consumed power hardly, energy-saving effect is remarkable.
Fig. 1 is the structural representation of the design's engagement overdrive clutch.
Fig. 2 is the three-dimensional cutaway view of Fig. 1.
Embodiment 1:
A kind of engagement overdrive clutch adopts structure as shown in Figure 1 and Figure 2, is made of housing 1, ratchet 2, ratchet 3, ball 4, shifting block 5, sheet spring 6, shell 1 diameter is 40mm, and assembling back thickness is 10mm, and the raceway diameter is 12mm, the ratchet external diameter is 20mm, thickness 4mm, and the number of teeth of ratchet is 35 teeth, the shifting block external diameter is 46mm, gap width is 3.8mm, shelves that the breach gap is 0.8mm behind the ratchet outer end, and leaf spring material is the 3Cr13 steel, width is 3mm, and thickness is 0.2mm.Test result: at transmitting torque is 10000kgf.m, under the work slip 2000r/min, and smooth engagement, work noiseless.
Embodiment 2:
A kind of engagement overdrive clutch, form by housing 1, ratchet 2, ratchet 3, ball 4, shifting block 5, save sheet spring 6, the number of teeth of ratchet 2 is an even number, the gap width of shifting block is 3.7mm, the gap of shelving in the breach behind the ratchet outer end is 0.5mm, and all the other structures and test result are identical with embodiment 1.
Claims (3)
1. engagement overdrive clutch, it comprises housing (1), ratchet (2), ratchet (3), ball (4), shifting block (5), sheet spring (6), it is characterized in that: housing (1) adopts two half identical shaped shells (11,12) and set screw form, have a raceway that is used to arrange ball (4) on the inner side surface of each half shell, ratchet (2) is fixedlyed connected with its central shaft (L), ratchet (3) is installed on the housing (1) by bearing pin, shifting block (5) is fixedlyed connected with drive wheel, have the breach that is used to shelve ratchet (3) outer end on it, sheet spring (6) is arranged on the shifting block (5), and the number of teeth of described ratchet (2) is an odd number.
2. engagement overdrive clutch, it comprises housing (1), ratchet (2), ratchet (3), ball (4), shifting block (5), it is characterized in that: housing (1) adopts two half identical shaped shells (11,12) and set screw form, the inboard of each half shell has a raceway that is used to arrange ball (4), ratchet (2) is fixedlyed connected with its central shaft (L), ratchet (3) is installed on the housing (1) by bearing pin, shifting block (5) is fixedlyed connected with drive wheel, have the breach that is used to shelve ratchet (3) outer end on it, the number of teeth of described ratchet (2) is an even number.
3. according to the clutch of claim 1 or 2, it is characterized in that: described ratchet (2) and the mode of fixedlying connected between its central shaft (L) can be selected a kind of in screw thread, key, spline, the hexagon ring for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97106694A CN1068662C (en) | 1997-11-01 | 1997-11-01 | Engagement overdrive clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97106694A CN1068662C (en) | 1997-11-01 | 1997-11-01 | Engagement overdrive clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1178873A CN1178873A (en) | 1998-04-15 |
| CN1068662C true CN1068662C (en) | 2001-07-18 |
Family
ID=5168910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97106694A Expired - Fee Related CN1068662C (en) | 1997-11-01 | 1997-11-01 | Engagement overdrive clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068662C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013449C2 (en) * | 1999-11-01 | 2001-05-02 | Skf Eng & Res Centre Bv | One way coupling. |
| CN108457855B (en) * | 2018-05-30 | 2023-07-21 | 山东捷科采油设备有限公司 | Gravity hydraulic braking type screw pump ground driving device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410072A (en) * | 1981-08-14 | 1983-10-18 | Westinghouse Electric Corp. | Gravity controlled anti-reverse rotation device |
| US5246094A (en) * | 1992-03-05 | 1993-09-21 | United Technologies Corporation | Pawl and ratchet clutch having pawl with shifting center of gravity |
| CN2319620Y (en) * | 1997-11-01 | 1999-05-19 | 黄金伦 | Engaging overtake clutch |
-
1997
- 1997-11-01 CN CN97106694A patent/CN1068662C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410072A (en) * | 1981-08-14 | 1983-10-18 | Westinghouse Electric Corp. | Gravity controlled anti-reverse rotation device |
| US5246094A (en) * | 1992-03-05 | 1993-09-21 | United Technologies Corporation | Pawl and ratchet clutch having pawl with shifting center of gravity |
| CN2319620Y (en) * | 1997-11-01 | 1999-05-19 | 黄金伦 | Engaging overtake clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1178873A (en) | 1998-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 97106694.9 of the invention patents in the current issue of authorization announcement, and at the same time corresponding to the 97242553.5 utility model patent to be given up, and in the 17 volume of the 29 issue of the new type of communique on the patent right to abandon the announcement. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |