CN202556125U - Sequential speed change mechanism - Google Patents
Sequential speed change mechanism Download PDFInfo
- Publication number
- CN202556125U CN202556125U CN2012202042683U CN201220204268U CN202556125U CN 202556125 U CN202556125 U CN 202556125U CN 2012202042683 U CN2012202042683 U CN 2012202042683U CN 201220204268 U CN201220204268 U CN 201220204268U CN 202556125 U CN202556125 U CN 202556125U
- Authority
- CN
- China
- Prior art keywords
- shifting shaft
- pinion
- revolving sleeve
- fixedly connected
- gear
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a sequential speed change mechanism which comprises a box body. A rotary sleeve is designed on a fixed hole; the rotary sleeve and the box body are connected with each other in a relative rotary mode; a circular arc groove of the rotary sleeve is formed on the inner surface of the rotary sleeve; a handle seat is matched with the rotary sleeve and is fixedly connected with a handle; a positioning groove is designed on the handle seat; a positioning pin is installed in the positioning groove; a rotary shaft is fixed in the handle seat; a circular arc groove of the rotary shaft is formed on the rotary shaft; the left part of the rotary shaft is connected with a lower rocker arm and a positioning plate through keys; the lower rocker arm is fixedly connected with a lower shifting shaft; a second pinion is inserted on the lower shifting shaft and is matched with a second main gear; the lower shifting shaft is positioned in a second shifting shaft insertion groove; the left part of the rotary sleeve is connected with an upper rocker arm through a key; the upper rocker arm is fixedly connected with an upper shifting shaft; a first pinion is inserted into the upper shifting shaft and is matched with a first main gear; the upper shift shaft is in a first shift shaft insertion groove of the first pinion; and the left end of the rotary sleeve is fixedly connected with a press cover through a screw.
Description
Technical field
The utility model relates to a kind of gear of milling machine, relates in particular to a kind of progressive gear structure.
Background technology
The gear shift of general lathe is by porose disc or gear change hand lever control shift fork or shifting block; Then control the engagement and the disengagement of travelling gear; To realize what speed change was handled; These two kinds of manipulation process, a gear change hand lever can only be handled a shift fork or shifting block, realizes the engagement and the disengagement of a pair of duplex or nest; Porose disc is through the hole on it tooth bar to be promoted, through tooth bar rubbing gear, afterwards again by the gear plectrum carry-over bar; Tooth bar promotes engagement and disengagement that shift fork carries out gear is carried out and operates, more than two kinds of maneuverability patterns only be applicable to that general gearratio changes little transmission mechanism, for the bigger occasion of gearratio requirement; It is very big that gear will become; Carry out speed change if stir bigger gear again, the difficulty that will become relatively is because the speed change control crank is when promoting the gear wheel speed change; The resistance of operation can be very big, and the wearing and tearing between gear spline and the axle are also big especially; And stir the quantity that pinion will increase control crank, increase the unreliability of operation and the complexity of casing.
Summary of the invention
The purpose of the utility model provides the good progressive gear structure of a kind of result of use.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of progressive gear structure, comprise casing, and have fixing hole on the casing; Be designed with revolving sleeve on the fixing hole, revolving sleeve is rotatably connected with casing relatively, it is characterized in that: the inner surface of revolving sleeve has the revolving sleeve arc groove; Be combined with handle set on the revolving sleeve, handle set is rotatably connected with revolving sleeve relatively, is fixedly connected handle on the handle set; Be designed with locating slot on the handle set, alignment pin is housed in the locating slot, be fixed with gyroaxis in the handle set; Have the gyroaxis arc groove on the gyroaxis, the left part of gyroaxis is connected with lower shake-changing arm and location-plate through key, is fixedly connected shifting shaft down on the lower shake-changing arm; Be plugged with second pinion on the following shifting shaft, second pinion is combined with second largest gear, and following shifting shaft is positioned at the second shifting shaft slot; The revolving sleeve left part is connected with upper rocker arm through key, is fixedly connected with shifting shaft on the upper rocker arm, and last shifting shaft is plugged with first pinion; First pinion is combined with first gear, and last shifting shaft is that the left end of revolving sleeve is fixedly connected with gland through screw in the first shifting shaft slot with first pinion.
The utility model has the advantages of and be: because this structure of the utility model; So use the utility model only can carry out sequential operation to two pairs of gear meshing and disengagement, and can not produce maloperation, in the speed change of big speed ratio with an operating grip; Make operation to gear wheel or duplicate gear; Change the operation to pinion into, the power of can reducing friction on the one hand makes operation more convenient, flexible; Avoided the wearing and tearing that parts caused because of big frictional force that the gear stirred produces too greatly simultaneously, make simultaneously operate more convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is first pinion in the utility model and the structural representation that firstly is out of gear, second largest gear is meshed state with second pinion stand;
Fig. 3 is for first pinion in the utility model and first is out of gear, the structural representation of second largest gear and the second pinion stand disengaged condition;
Fig. 4 is for first pinion in the utility model is meshed with first gear, the structural representation of second largest gear and the second pinion stand disengaged condition;
The structural representation that the handle set that Fig. 5 cuts open for the utility model A-A is meshed with gyroaxis;
The structural representation that the another kind of handle set that Fig. 6 cuts open for the utility model A-A is meshed with gyroaxis;
The structural representation that the handle set that Fig. 7 cuts open for the utility model A-A is meshed with revolving sleeve;
The structural representation that the another kind of handle set that Fig. 8 cuts open for the utility model A-A is meshed with revolving sleeve.
In the accompanying drawing: 1, go up shifting shaft; 2, upper rocker arm; 3, casing; 4, alignment pin; 5, handle; 6, handle set; 7, revolving sleeve; 8, gyroaxis; 9, location-plate; 10, following shifting shaft; 11, lower shake-changing arm; 12, screw; 13, gland; 14, first pinion; 15, the first shifting shaft slot; 16, second largest gear; 17, second pinion; 18, the second shifting shaft slot; 19, first gear; 20, locating slot; 21, revolving sleeve arc groove; 22, gyroaxis arc groove.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
The utility model is like Fig. 1,2,3,4,5,6,7, shown in 8, and a kind of progressive gear structure comprises casing 3; Have fixing hole on the casing 3, be designed with revolving sleeve 7 on the fixing hole, revolving sleeve 7 is rotatably connected with casing 3 relatively; It is characterized in that: the inner surface of revolving sleeve 7 has revolving sleeve arc groove 21, is combined with handle set 6 on the revolving sleeve 7, and handle set 6 is rotatably connected with revolving sleeve 7 relatively; Be fixedly connected handle 5 on the handle set 6, be designed with locating slot 20 on the handle set 6, alignment pin 4 is housed in the locating slot 20; Be fixed with gyroaxis 8 in the handle set 6, have gyroaxis arc groove 22 on the gyroaxis 8, the left part of gyroaxis 8 is connected with lower shake-changing arm 11 and location-plate 9 through key; Be fixedly connected shifting shaft 10 down on the lower shake-changing arm 11, be plugged with second pinion, 17, the second pinions 17 on the following shifting shaft 10 and be combined with second largest gear 16; Following shifting shaft 10 is positioned at the second shifting shaft slot 18, and revolving sleeve 7 left parts are connected with upper rocker arm 2 through key, are fixedly connected with shifting shaft 1 on the upper rocker arm 2; Last shifting shaft 1 is plugged with first pinion 14; First pinion 14 is combined with first gear 19, and last shifting shaft 1 is that the left end of revolving sleeve 7 is fixedly connected with gland 13 through screw 12 in the first shifting shaft slot 15 with first pinion 14.
The handle that turns clockwise, handle drives handle set and clockwise rotates, and an alignment pin part is assemblied in the locating slot of handle set; Another part is embedded in the gyroaxis arc groove of gyroaxis, and handle set drives gyroaxis through alignment pin and clockwise rotates, and then drives lower shake-changing arm through key; Lower shake-changing arm swing can drive down shifting shaft and stir second pinion and it is moved to second largest be out of gear, be rotated further handle, and then the revolving sleeve arc groove is corresponding with locating slot; At this moment; Alignment pin then can rotate thereby handle set drives revolving sleeve owing to being rotated further of handle set slides in the revolving sleeve arc groove, and revolving sleeve drives the upper rocker arm swing through key; the rocking arm swing can be stirred first pinion through last shifting shaft and moved to and first gears engaged, and vice versa; When using the utility model, utilize the sequential control of 4 pairs of gyroaxises of alignment pin 8 and revolving sleeve 7, realize sequential control gear graduation;
The operation principle of the utility model: through handle set stirring to alignment pin; Make alignment pin successively respectively at gyroaxis and revolving sleeve engagement; Make down shifting shaft and last shifting shaft stir second pinion and first pinion according to sequencing; Making and throw off engagement again between the gear earlier, during reverse operating, also is that line between the gear is thrown off engagement again.
Claims (1)
1. a progressive gear structure comprises casing (3), and casing has fixing hole on (3); Be designed with revolving sleeve (7) on the fixing hole, revolving sleeve (7) is rotatably connected with casing (3) relatively, it is characterized in that: the inner surface of revolving sleeve (7) has revolving sleeve arc groove (21); Be combined with handle set (6) on the revolving sleeve (7), handle set (6) is rotatably connected with revolving sleeve (7) relatively, and handle set (6) is gone up and is fixedly connected handle (5); Be designed with locating slot (20) on the handle set (6), alignment pin (4) is housed in the locating slot (20), be fixed with gyroaxis (8) in the handle set (6); Have gyroaxis arc groove (22) on the gyroaxis (8); The left part of gyroaxis (8) is connected with lower shake-changing arm (11) and location-plate (9) through key, and lower shake-changing arm (11) is gone up and is fixedly connected shifting shaft (10) down, is plugged with second pinion (17) on the following shifting shaft (10); Second pinion (17) is combined with second largest gear (16); Following shifting shaft (10) is positioned at the second shifting shaft slot (18), and revolving sleeve (7) left part is connected with upper rocker arm (2) through key, is fixedly connected with shifting shaft (1) on the upper rocker arm (2); Last shifting shaft (1) is plugged with first pinion (14); First pinion (14) is combined with first gear (19), and last shifting shaft (1) is that the left end of revolving sleeve (7) is fixedly connected with gland (13) through screw (12) in the first shifting shaft slot (15) with first pinion (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202042683U CN202556125U (en) | 2012-05-09 | 2012-05-09 | Sequential speed change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202042683U CN202556125U (en) | 2012-05-09 | 2012-05-09 | Sequential speed change mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202556125U true CN202556125U (en) | 2012-11-28 |
Family
ID=47205825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202042683U Withdrawn - After Issue CN202556125U (en) | 2012-05-09 | 2012-05-09 | Sequential speed change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202556125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672515A (en) * | 2012-05-09 | 2012-09-19 | 山东威达重工股份有限公司 | Progressive speed shifting mechanism |
| CN104070398A (en) * | 2014-06-30 | 2014-10-01 | 成都中电锦江信息产业有限公司 | Speed change mechanism for diehead threading machine |
-
2012
- 2012-05-09 CN CN2012202042683U patent/CN202556125U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672515A (en) * | 2012-05-09 | 2012-09-19 | 山东威达重工股份有限公司 | Progressive speed shifting mechanism |
| CN102672515B (en) * | 2012-05-09 | 2014-09-03 | 山东威达重工股份有限公司 | Progressive speed shifting mechanism |
| CN104070398A (en) * | 2014-06-30 | 2014-10-01 | 成都中电锦江信息产业有限公司 | Speed change mechanism for diehead threading machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204061752U (en) | A kind of two gear gearboxes | |
| CN202182174U (en) | Automobile electric gearshift mechanism | |
| CN100421848C (en) | Tapping machine with controllable feeding depth for underwater pipeline | |
| CN109176377B (en) | Reversible screwdriver with manual and electric working modes | |
| CA2604302A1 (en) | Vehicular transmission | |
| CN201326697Y (en) | Automated mechanical transmission of overrunning clutch motor | |
| CN204151528U (en) | Can the Computerized flat knitting machine of auto-steering | |
| CN202556125U (en) | Sequential speed change mechanism | |
| CN100501188C (en) | mechanical automatic transmission | |
| CN2936607Y (en) | Speed regulating gearshifting device for electric tool | |
| CN102672515B (en) | Progressive speed shifting mechanism | |
| CN204061853U (en) | A kind of Liang Dang gear shift mechanism | |
| CN201513551U (en) | Shifting mechanism of transmission of electric bicycle | |
| CN201672007U (en) | Terminal transmission box for big power tractor | |
| CN207315989U (en) | A kind of dynamic power shift gear box transmission device | |
| CN104340043B (en) | Hybrid vehicle automatic transmission drive train is united | |
| CN214305092U (en) | Steel cord double-speed bridge box speed reducer | |
| CN104313777A (en) | Computerized flat knitting machine capable of automatically turning direction | |
| CN207145603U (en) | Speed changer semi-automatic shift gears mechanism | |
| CN204004224U (en) | A kind of pure electric vehicle speed change increases turns round gearbox | |
| CN202545791U (en) | Manual-automatic shift integrating mechanism for clutches | |
| CN206988418U (en) | A kind of automobile gear shift arm assembly | |
| CN202579843U (en) | Speed change gear shift mechanism of micro-tiller | |
| CN202274076U (en) | Rotating center shift meshing sleeve control mechanism | |
| CN205715481U (en) | Monolever four shift gear change speed gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20140903 |
|
| RGAV | Abandon patent right to avoid regrant |