CN2775275Y - Quick clutch - Google Patents
Quick clutch Download PDFInfo
- Publication number
- CN2775275Y CN2775275Y CN 200520000979 CN200520000979U CN2775275Y CN 2775275 Y CN2775275 Y CN 2775275Y CN 200520000979 CN200520000979 CN 200520000979 CN 200520000979 U CN200520000979 U CN 200520000979U CN 2775275 Y CN2775275 Y CN 2775275Y
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- tape spool
- synchronous tape
- ratchet
- driving lever
- 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 - Fee Related
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to a fierce clutch, which has a cam driving lever that is provided with a bevel gear engaged with the cam driving lever. The tail of the cam driving lever is designed into the shape of an ellipse, and abuts on a hook end limit stop of a shifting fork. The cylindrical end surface at the rear end of the bevel gear is provided with ratchets, which are engaged with the ratchet of a pawl. A screw pin connects the pawl to a synchronous belt shaft of the bevel gear through small kidney-shaped holes on the synchronous belt shaft of the bevel gear, and the pawl can slide relatively along the axial direction. The right end surface of the synchronous belt shaft of the bevel gear is drilled with a deep hole, in which a spring is arranged. Another spring is sheathed on the synchronous belt shaft between the pawl and a shaft seat of the bevel gear. A gag lever post is fixed on the synchronous belt shaft of the bevel gear through an upper groove of the shaft seat of the bevel gear and the deep hole. The spring is sheathed on a synchronous belt shaft of the worm wheel, and can make conical holes on a slide block coat conical pins of the worm wheel. The fierce clutch has the advantages of small loss, low failure rate, low manufacture cost and convenient use.
Description
Technical field
The utility model relates to a kind of fierce clutch, particularly relates to a kind ofly realizing the industrial door of power conversion and the fierce clutch of rolling door between manual and electronic, belongs to mechanical field.
Background technology
At present, the power conversion between industrial door, rolling door manual and electronic is general adopts following three kinds of modes:
1, adopts traction to inhale the moving shift fork of sheet iron strip and stir the slide block clutch;
2, adopt two stay cords, make the slide block clutch from two pulling shift fork of lever intermediate support;
3, directly rotate shift fork with spanner and stir the slide block clutch.
Adopt traction to inhale the moving shift fork of sheet iron strip and stir the slide block clutch, though when having a power failure, can realize door manually, traction inhale the iron long-term work electricity condition, loss is big, fault rate is high, and manufacturing cost is also high; Adopt two stay cords, make the slide block clutch from two pulling shift fork of lever intermediate support, this kind method since gantry crane aloft, when having a power failure, especially adopt traction to inhale the moving shift fork of sheet iron strip at door and stir slide block clutch bascule when ineffective, because the action of gravity of door, the applying of slide block is tighter, stay cord is difficult to spur for the moment, and in this situation, it is to have drawn anti-direction that the people of use just is difficult to judge, still the pulling force of oneself is not enough, if misdeemed, will break stay cord, its consequence is just complicated; Directly rotate shift fork with spanner and stir the slide block clutch, this method is the top that is contained in door because of door lifter, needs must remove ladder and climb up a top when manual having a power failure, and directly stirs shift fork with spanner and makes the slide block clutch, its inconvenience that operates.
Summary of the invention
The purpose of this utility model is to provide that a kind of loss is little, fault rate is low, the unit of low cost of manufacture and trackless extensible door opener easy to use drives bi-directional electromagnetic lever clutch deviation correcting device.
In order to address the above problem, the utility model is to be achieved through the following technical solutions: this fierce clutch, comprise the cam driving lever, bevel gear, the synchronous tape spool of bevel gear, shift fork, spring, worm gear, worm screw, the synchronous tape spool of worm gear, the cam driving lever is provided with bevel gear, the afterbody of cam driving lever is designed to ellipse, fit with the eave tile link stopper of shift fork, bevel gear is enclosed within on the synchronous tape spool of bevel gear, and can rotate relatively, bevel gear on the cam driving lever is meshed with bevel gear, on the cylinder end face of bevel gear rear end, be provided with ratchet, be meshed with the ratchet of ratchet, opened a little mounting hole on the face of cylinder of the synchronous tape spool of bevel gear, screw pin is connected ratchet on the synchronous tape spool of bevel gear by described little mounting hole, and can slide relatively vertically, and on the right side of the synchronous tape spool of bevel gear, be drilled with a deep hole, one spring is housed in described deep hole, another spring housing is on the synchronous tape spool of bevel gear between ratchet and the bevel gear axle bed, the synchronous tape spool of angular wheel shaft seat supports bevel gear, on the tailstock of bevel gear axle bed, have a groove, gag lever post is fixed on the synchronous tape spool of bevel gear by described groove and described deep hole, slide block is provided with on splined hole and the side end face and is drilled with bellmouth, spring housing is on the synchronous tape spool of worm gear, and the bellmouth gland on the slide block can be nailed at the taper pin of worm gear, the taper pin nail is to be riveted on the worm gear end face, the synchronous tape spool of worm gear supports worm gear, on described worm gear synchronizing shaft, be provided with the involute profile spline, and be meshed with the splined hole of described slide block.
The two end mill side of one-tenth tenons of the synchronous tape spool of described bevel gear.
The advantage of this fierce clutch is to have realized drawing suction iron by technique scheme also can carry out clutch fast to clutch, has solved traction suction iron and must work under the electricity condition for a long time, and loss is big, fault rate is high, and the also high problem of manufacturing cost.Simultaneously by square tenon is respectively milled at the two ends of angular wheel shaft, realized afterburning position about displacement.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described: as Fig. 1, Fig. 2, shown in Figure 3, a kind of fierce clutch, comprise cam driving lever 2, bevel gear 5, the synchronous tape spool 4 of bevel gear, shift fork 3, spring 8,9,17, worm gear 15, worm screw 19, the synchronous tape spool 18 of worm gear, its cam driving lever 2 is provided with bevel gear, the afterbody of cam driving lever 2 is designed to ellipse, fit with the eave tile link stopper of shift fork 3, bevel gear 5 is enclosed within on the synchronous tape spool 4 of bevel gear, and can rotate relatively, bevel gear on the cam driving lever 2 is meshed with bevel gear 5, on bevel gear 5 rear end cylinder end faces, be provided with ratchet, be meshed with the ratchet of ratchet 6, opened a little mounting hole on the face of cylinder of the synchronous tape spool 4 of bevel gear, screw pin 7 is connected ratchet 6 on the synchronous tape spool 4 of bevel gear by little mounting hole, and can slide relatively vertically, and on the right side of the synchronous tape spool 4 of bevel gear, be drilled with a deep hole, one spring 9 is housed in deep hole, spring 8 is enclosed within on the synchronous tape spool 4 of bevel gear between ratchet 6 and the bevel gear axle bed 13, in addition, the two end mill side of one-tenth tenons of the synchronous tape spool 4 of bevel gear, stay cord 12 can be imported power from any end by drawing dish 11, synchronous tape spool 4 bands of bevel gear change screw pin 7 and ratchet 6 rotates together, because the effect of ratchet 6 ratchets, drive bevel gear 5 folk prescriptions to rotation, gag lever post 10 on the synchronous tape spool 4 of bevel gear is determined ratchet 6 each 90 degree that rotate, and has also determined bevel gear 5 each 90 degree that rotate.And spring 8 is after stay cord loosens, and ratchet 6 is bounce back into the position of former angle again, for the rotation of stirring 5 next times of bevel gear is prepared.The rotation of bevel gear 5, thereby drive cam driving lever 2 and turn over 90 degree, the oval cam of cam driving lever 2 afterbodys turns over 90 degree, oval-shaped length diameter differs 6mm, be the cam revolution is crossed just 3mm on the 90 degree radiuses stroke, in proportion, will stir slide block 14 with the shift fork 3 that cam fits, slide block 14 is provided with on splined hole and the side end face and is drilled with bellmouth, makes slide block 14 slip over the stroke of 8mm on the spline of the synchronous tape spool 18 of worm gear.Simultaneously, because spring 17 is enclosed within on the synchronous tape spool 18 of worm gear, and can be on the taper pin nail 16 of worm gear 15 with the bellmouth gland on the slide block, taper pin nail 16 is to be riveted on worm gear 15 end faces, the disengagement and the applying of the taper pin nail 16 on slide block 14 end face taper pin-holes and the worm gear 15 have been realized, when the nail of the taper pin on slide block 14 end face taper pin-holes and the worm gear 15 16 was fitted, the synchronous tape spool 18 of worm gear can realize under the drive of worm gear 15 rotated; Because of having a power failure, worm screw 19 on the motor 1 can not be worked, this moment, worm gear 15 was motionless because of the interlocking of worm screw 19, on worm gear synchronizing shaft 18, be provided with the involute profile spline, and be meshed with the splined hole of slide block 14, need to draw dish 11 when at this moment by stay cord 21, driving the synchronous tape spool 4 of bevel gear rotates, make slide block 14 throw off the taper pin nail 16 of worm gear 15, involute profile spline on this moment worm gear synchronizing shaft 18, also be separated with the splined hole of slide block 14, the synchronous tape spool 18 of worm gear just can dally in worm gear 15 unthreaded holes like this.
Claims (2)
1, a kind of fierce clutch, comprise the cam driving lever, bevel gear, the synchronous tape spool of bevel gear, shift fork, spring, worm gear, worm screw, the synchronous tape spool of worm gear, it is characterized in that, cam driving lever (2) is provided with bevel gear, the afterbody of cam driving lever (2) is designed to ellipse, fit with the eave tile link stopper of shift fork (3), bevel gear (5) is enclosed within on the synchronous tape spool of bevel gear (4), and can rotate relatively, bevel gear on the cam driving lever (2) is meshed with bevel gear (5), on the cylinder end face of bevel gear (5) rear end, be provided with ratchet, be meshed with the ratchet of ratchet (6), opened a little mounting hole on the face of cylinder of the synchronous tape spool of bevel gear (4), screw pin (7) is connected ratchet (6) on the angular wheel shaft (4) by described little mounting hole, and can slide relatively vertically, and on the right side of the synchronous tape spool of bevel gear (4), be drilled with a deep hole, one spring (9) is housed in described deep hole, spring (8) is enclosed within on the synchronous tape spool of bevel gear (4) between ratchet (6) and the bevel gear axle bed (13), bevel gear axle bed (13) supports the synchronous tape spool of bevel gear (4), on the tailstock of bevel gear axle bed (13), have a groove, gag lever post (10) is fixed on the synchronous tape spool of bevel gear (4) by described groove and described deep hole, slide block (14) is provided with on splined hole and the side end face and is drilled with bellmouth, spring (17) is enclosed within on the synchronous tape spool of worm gear (18), and can be on the taper pin nail (16) of worm gear (15) with the bellmouth gland on the slide block (14), taper pin nail (16) is to be riveted on worm gear (15) end face, the synchronous tape spool of worm gear (18) supports worm gear (15), on described worm gear synchronizing shaft (18), be provided with the involute profile spline, and be meshed with the splined hole of described slide block (14).
2, a kind of fierce clutch according to claim 1 is characterized in that, the two end mill side of one-tenth tenons of the synchronous tape spool of described bevel gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000979 CN2775275Y (en) | 2005-01-18 | 2005-01-18 | Quick clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000979 CN2775275Y (en) | 2005-01-18 | 2005-01-18 | Quick clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775275Y true CN2775275Y (en) | 2006-04-26 |
Family
ID=36749592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000979 Expired - Fee Related CN2775275Y (en) | 2005-01-18 | 2005-01-18 | Quick clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775275Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821836A (en) * | 2014-02-24 | 2014-05-28 | 刘建伟 | Simple clutch |
| CN103946473A (en) * | 2011-11-22 | 2014-07-23 | 金桢旼 | Roll blind having noiseless bidirectional clutch |
-
2005
- 2005-01-18 CN CN 200520000979 patent/CN2775275Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103946473A (en) * | 2011-11-22 | 2014-07-23 | 金桢旼 | Roll blind having noiseless bidirectional clutch |
| CN103821836A (en) * | 2014-02-24 | 2014-05-28 | 刘建伟 | Simple clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |