CN2289910Y - Differential transmission device for regulating cam - Google Patents
Differential transmission device for regulating cam Download PDFInfo
- Publication number
- CN2289910Y CN2289910Y CN 97201296 CN97201296U CN2289910Y CN 2289910 Y CN2289910 Y CN 2289910Y CN 97201296 CN97201296 CN 97201296 CN 97201296 U CN97201296 U CN 97201296U CN 2289910 Y CN2289910 Y CN 2289910Y
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- China
- Prior art keywords
- gear
- cam
- transmission shaft
- differential
- small motor
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- Expired - Fee Related
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Abstract
The utility model relates to a differential transmission device for regulating cams, comprising a set of cams, a differential transmission mechanism and a small motor. The cams and the differential transmission mechanism are arranged on a same transmission shaft, the differential transmission mechanism is composed of a plurality of gears and cams, the transmission shaft is provided with a big gear in which a bearing is arranged and a gear fixedly arranged on the transmission shaft, the end face of the big gear is provided with a pair of engaging gears which are engaged with a hollow gear in which a bearing is arranged, the small motor is arranged on the side of the differential transmission mechanism, and an output shaft is provided with a gear engaged with the big gear. The rotation speeds of the cams and the rotation speed of the transmission shaft form a fixed ratio and have opposite rotating directions, the positions of the cams are changed to drive the small motor to run so that a differential structure makes the cams rotate, and the rotating quantity of the cams is decided on controlling the action time of the small motor so that the utility model enhances the degree of automation of the machine.
Description
The utility model relates to a kind of common mechanical engineering field for producing or keeping the effectively transmission device of the engineering part of operation of machinery equipment, particularly relates to a kind of differential driver that can reach the adjustment cam of automatic adjustment cam position with the special differential structural design that is mounted on cam on the same transmission shaft and differential gear.
The differential driver of traditional adjustment cam, its mode of adjusting cam is to utilize the radially screw thread of hand tools dismounting cam, the manual adjusting style adjusted of rotating cam again, it is complicated time-consuming that this cam is adjusted mode, lose time and manpower, make the automaticity of general cammingly machine not to be improved, in the more and more higher keen competition of current automaticity degree, be difficult to satisfy the demands; Its all component of traditional again differential driver is all non-to be assembled on the same transmission shaft, and complex structure increases usage space in vain, is using and is keeping in repair all very inconvenient.This shows that the differential driver of above-mentioned traditional adjustment cam still has many defectives, and demands urgently being improved.
Because above-mentioned tradition is adjusted the drawback of the differential driver of cam, the design people is based on abundant practical experience and professional knowledge, through constantly research, design, and after studying sample and improvement repeatedly, create the differential driver that the utility model is adjusted cam finally.
Main purpose of the present utility model is, overcome above-mentioned tradition and adjust the defective of the differential driver of cam, and provide a kind of differential driver of adjustment cam of new structure, make it utilize differential gear to adjust the position of cam, this differential gear includes a planet gear train, a cam and a small motor, during when the power input shaft and via this group differential gear, promptly the cam that can drive on it is reversed turning, and the rotating speed of the rotating speed of this cam and transmission shaft has certain gear ratio; When desire changes the position of this cam, this small motor promptly is driven running, and the differential action via this group differential gear makes this cam produce reverse displacement, the displacement amount of cam is then controlled with the actuation time of small motor, and then reaches the effect of automatic adjustment cam.
Another purpose of the present utility model is, a kind of differential driver of adjusting cam is provided, and makes wherein that all component of differential gear all is assembled on the same transmission shaft, and can reach the effect that reduces usage space.
The purpose of this utility model is realized by following technological scheme.Differential driver according to the adjustment cam that the utility model proposes, it mainly comprises one group of cam (15), a differential gear (10) and a small motor (16), wherein: this organizes cam (15), and itself and differential gear (10) are mounted on the same transmission shaft (11) simultaneously; This differential gear (10), it is made up of a plurality of gears and cam, wherein, go up cover at transmission shaft (11) and be equiped with gearwheel (12) and gear (13), be equiped with in the axis hole of this gearwheel (12) and make it go up rotating bearing at transmission shaft (11), this gear (13) is provided with screw and locks and be fixedly arranged on the transmission shaft (11); Be assembled with a pair of pitch wheel (121), (122) on the end face of this gearwheel (12) respectively, and this gear (122) is meshed the cam (15) of drive installation on gear (14) again with gear (14); This gear (14) is a hollow gear that is provided with axis hole, and is provided with ball bearing (141) at this endoporus, is set on the transmission shaft (11) with this two ball bearing (141); The source transmission of power is to transmission shaft (11), and driven gear (13) rotates, and rotates through gear (13) driven gear (121) and gear (122), driven gear (14) and the cam (15) that is mounted thereon again; One small motor (16) is installed in the appropriate position, side of this differential gear (10), and the end of this small motor (16) output shaft connects and is installed with a gear (161), and this gear (161) is a joggled structure with gearwheel (12); The source transmission of power inputs to transmission shaft (11), through this differential gear driving cam (15), promptly this transmission shaft (11) driven gear (13) rotates, this gear (13) driven gear (121) and gear (122) rotate, driven gear (14) is gone up at transmission shaft (11) and is rotated again, drives locking cam (15) provided thereon simultaneously and is the reversed turning displacement; This cam (15) is controlled the structure of decision cam position by the driven time length of small motor (16) for the size of displacement amount.
The purpose of this utility model can also further realize by following technical measures.
The differential driver of aforesaid adjustment cam, wherein said cam (15) its be provided with one with its logotype sense cam lugs position as drive downstream mechanism or device signal source near switch (20).
The differential driver of aforesaid adjustment cam, wherein said gear (14) is for only being provided with tooth portion at the one end, establish on the smooth external diameter of tooth portion then locking is equiped with one group of cam (15) at its other end end, this gear (14) all is installed on the transmission shaft (11) of differential gear (10) with cam (15), has the usefulness that reduces the space.
The differential driver of aforesaid adjustment cam, wherein said gear (122) is for only being meshing with each other with the flank of tooth and the gear (121) of 1/2nd width approximately, and the flank of tooth of other about 1/2nd width then is and gear (14) joggled structure.
The differential driver of aforesaid adjustment cam, the input speed of its output speed of wherein said cam (15) and this transmission shaft (11) is the structure of a fixed drive ratio.
The utility model compared with prior art has tangible advantage and good effect.By above technological scheme as can be known, the differential driver that the utility model is adjusted cam is to utilize differential gear to adjust the device of cam position, it comprises one group of cam, one group of differential gear and a small motor, wherein, the combination of this group cam and differential gear is located on the same transmission shaft.The planetary gear set that this differential gear is made up of the plurality of pins wheel, under the normal operation situation, the rotating speed of this cam becomes the fixed proportion relation with the rotating speed of transmission shaft, and switched in opposite, when desire changes the position of cam, promptly drive the small motor running of this device, utilize the special differential structural design of this group differential gear to make this cam revolution, its rotating displacement amount is then to decide the actuation time of control small motor, improve traditional product whereby and utilize the radially screw thread of hand tools dismounting cam, the manual adjusting style of rotating cam again, and improvement becomes the adjustment mode of motor driven, can greatly improve the automaticity of general cammingly machine.
In sum, the differential driver that the utility model is adjusted cam utilizes differential gear to adjust the position of cam, this differential gear includes a planet gear train, a cam and a small motor, when the power input shaft is organized differential gear via this, promptly the cam that can drive on it is reversed turning, and the rotating speed of the rotating speed of this cam and transmission shaft has certain gear ratio; When desire changes the position of this cam, small motor promptly is driven running, differential action via this group differential gear, make this cam produce reverse displacement, the displacement amount of cam is then to control the actuation time of small motor, and then can reach the effect of automatic adjustment cam, it has improved traditional product effectively and has utilized the complicated manual adjusting style of hand tools, utilize the differential principle can reach the purpose of automatic adjustment cam position, automaticity degree height, using and keeping in repair all very conveniently, can greatly improve the automaticity of general cammingly machine; And all members of the present utility model all are assembled on the same transmission shaft, have and to reduce usage space effectively, reach the effect of reduced volume, thereby be suitable for practicality more, no matter it structurally or all have on the function significantly and to improve, really is a new and innovative, progressive, practical new design.
Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the exploded perspective view that the utility model is adjusted the differential driver of cam.
Fig. 2 is the composite structure stereogram that the utility model is adjusted the differential driver of cam.
Fig. 3 is the composite structure sectional view that the utility model is adjusted the differential driver of cam.
Fig. 4 is a cam of the present utility model and structure generalized schematic near the switch logotype.
Below in conjunction with accompanying drawing and preferred embodiment, to its concrete structure of differential driver, feature and effect thereof according to the adjustment cam that the utility model proposes, describe in detail as after.
See also Fig. 1, shown in Figure 2, the utility model is adjusted the differential driver of cam, and it mainly comprises one group of cam 15, a differential gear 10 and a small motor 16, and should group cam 15 and differential gear 10 for being mounted on simultaneously on the same transmission shaft 11; Wherein, this differential gear 10 is made of a planet gear train.Characteristics of the present utility model are, use planetary differential principle, utilize small motor 16 to drive and be positioned at coaxial cam set, effect can reach the purpose of automatic adjustment cam 15 positions whereby, then is to decide by these small motor 16 driven time length as for the adjustment amount of cam 15.
See also Fig. 1, Fig. 2, shown in Figure 3, the utility model is adjusted the differential gear 10 of the differential driver of cam, it is made up of a plurality of gears and cam, wherein, cover is equiped with gearwheel 12 and gear 13 on transmission shaft 11, two ends are equiped with bearing respectively in the axis hole of this gearwheel 12, it can be turned round on transmission shaft 11, this gear 13 then is fixedly arranged on the transmission shaft 11 with the screw locking, simultaneously, appropriate location on gearwheel 12 end faces is organized respectively and is provided with two gears 121 that parallel with transmission shaft 11,122, wherein, this gear 122 is for only being meshing with each other with the flank of tooth and the gear 121 of 1/2nd width approximately, and the flank of tooth of other about 1/2nd width then is meshing with each other (as shown in Figure 3) with gear 14; This gear 14 is a hollow gear that is provided with axis hole, and be respectively equipped with ball bearing 141 at two ends of this endoporus, be set on the transmission shaft 11 with this two ball bearing 141, and this gear 14 is for only being provided with tooth portion at the one end, and establish on the smooth external diameter of tooth portion then locking is equiped with one group of cam 15 at its other end end; In addition, be equiped with a small motor 16 in the side of this differential gear 10, the end of these small motor 16 output shafts connects and is installed with a gear 161, and this gear 161 and with gearwheel 12 be joggled structure (as shown in Figure 2).
See also Fig. 3, and it is shown in Figure 2 in conjunction with consulting, when originating transmission of power to this transmission shaft 11, be that driven gear 13 rotates, relend by this gear 13 and drive this gear 121 and gear 122 rotations, be state free to rotate owing to this gear 14 and 11 installations of transmission shaft are provided with ball bearing 141, therefore, drive this gear 14 at last again and on transmission shaft 11, rotate.When this gear 14 rotates, promptly drive locking cam provided thereon 15 simultaneously and produce rotary displacement; Under situation about running well, when the transmission shaft 11 of input power revolves when turning around, 15 on the cam provided thereon that lock is counterrotating, and the output speed of this cam 15 concerns with the transmission ratios that the input speed of this transmission shaft 11 becomes to fix.
In practical application, when cam 15 revolves when turning around, all can export a signal or action drives mechanism or the equipment that the downstream is associated, then achieve the goal as for the time point (timing) of output signal or action by the position of adjusting cam 15.The utility model should used among the embodiment, be to be provided with one near switch 20, utilize this to come the position of sense cam 15 flanges near switch 20, see also shown in Figure 4, when sensing cam 15 flange time relation near switch 20 as the desire adjustment, can drive small motor 16 and drive differential gear 10, make cam 15 produce displacement, and can reach the purpose of adjusting these cam 15 positions.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is imposed any restrictions, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of differential driver of adjusting cam is characterized in that it mainly comprises one group of cam (15), a differential gear (10) and a small motor (16), wherein:
This organizes cam (15), and itself and differential gear (10) are mounted on the same transmission shaft (11) simultaneously;
This differential gear (10), it is made up of a plurality of gears and cam, wherein, go up cover at transmission shaft (11) and be equiped with gearwheel (12) and gear (13), be equiped with in the axis hole of this gearwheel (12) and make it go up rotating bearing at transmission shaft (11), this gear (13) is provided with screw and locks and be fixedly arranged on the transmission shaft (11); Be assembled with a pair of gear that is meshed (121), (122) on the end face of this gearwheel (12) respectively, and this gear (122) is meshed the cam (15) of drive installation on gear (14) again with gear (14); This gear (14) is a hollow gear that is provided with axis hole, and is provided with ball bearing (141) at this endoporus, is set on the transmission shaft (11) with this two ball bearing (141); The source transmission of power is to transmission shaft (11), and driven gear (13) rotates, and rotates through gear (13) driven gear (121) and gear (122), driven gear (14) and the cam (15) that is mounted thereon again;
One small motor (16) is installed in the appropriate position, side of this differential gear (10), and the end of this small motor (16) output shaft connects and is installed with a gear (161), and this gear (161) is a joggled structure with gearwheel (12); The source transmission of power inputs to transmission shaft (11), through this differential gear driving cam (15), be that transmission shaft (11) driven gear (13) rotates, this gear (13) driven gear (121) and gear (122) rotate, driven gear (14) is gone up at transmission shaft (11) and is rotated again, drives locking cam (15) provided thereon simultaneously and is the reversed turning displacement; This cam (15) is controlled the structure of decision cam position by the driven time length of small motor (16) for the size of displacement amount.
2, the differential driver of adjustment cam according to claim 1, it is characterized in that described cam (15) its be provided with one with its logotype sense cam lugs position as drive downstream mechanism or device signal source near switch (20).
3, the differential driver of adjustment cam according to claim 1 and 2, it is characterized in that described gear (14) is for only being provided with tooth portion at the one end, establish on the smooth external diameter of tooth portion then locking is equiped with one group of cam (15) at its other end end, this gear (14) all is installed on the transmission shaft (11) of differential gear (10) with cam (15), has the usefulness that reduces the space.
4, the differential driver of adjustment cam according to claim 3, it is characterized in that described gear (122) for only being meshing with each other with the flank of tooth and the gear (121) of 1/2nd width approximately, the flank of tooth of other about 1/2nd width then is and gear (14) joggled structure.
5, the differential driver of adjustment cam according to claim 4 is characterized in that the input speed of its output speed of described cam (15) and this transmission shaft (11) is the structure of a fixed drive ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201296 CN2289910Y (en) | 1997-02-12 | 1997-02-12 | Differential transmission device for regulating cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201296 CN2289910Y (en) | 1997-02-12 | 1997-02-12 | Differential transmission device for regulating cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2289910Y true CN2289910Y (en) | 1998-09-02 |
Family
ID=33922755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97201296 Expired - Fee Related CN2289910Y (en) | 1997-02-12 | 1997-02-12 | Differential transmission device for regulating cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2289910Y (en) |
-
1997
- 1997-02-12 CN CN 97201296 patent/CN2289910Y/en not_active Expired - Fee Related
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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 |