CN207750465U

CN207750465U - A kind of continuous variable speed system

Info

Publication number: CN207750465U
Application number: CN201720287422.0U
Authority: CN
Inventors: 赖深池
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-23
Filing date: 2017-03-23
Publication date: 2018-08-21
Anticipated expiration: 2027-03-23

Abstract

The utility model discloses a kind of continuous variable speed systems,Including driving unit,Roller unit and driven unit,By this Unit three be integrated into drive shaft and its surrounding,Driving is condensed into Unit two with each pairs of Cone Disc of driven unit and shares pairs of circular arc disk to reduce use space,Replace V-type odontoid belt with roller unit,Solve the shortcomings of abnormal sound is unstable with transmission efficiency,Driving unit includes fixed circular arc disk and circular tube shaped hollow shaft,In hollow shaft ball bearing and needle bearing can be set according to connection needs,It need not also can remove when linking such as mechanism,Roller unit is set among driving and driven unit,Including pairs of arc wheel and bearing,Cylindrical roller fixing axle and gear are formed with bearing base,Driven unit includes the removable circular arc disk for having in one sliding slot,Cylindrical chute roller,The circular arc guide plate of indent,Guide sleeve and the pairs of ruler item of tool and cylindric compressed spring,Bearing,Spring stop forms.

Description

A kind of continuous variable speed system

Technical field

The utility model is related to continuous variable speed systems, and it is suitable for general motor vehicles, can reduce existing continuous variable speed system System installation space reduces cost, solves abnormal sound noise problem.

Background technology

As shown in Figure 1, its be a kind of continuous variable speed system becoming known for general motor vehicles generally by drive 10a with from Dynamic 20a units are formed with V-type odontoid belt 30a, and driving is respectively fixed on drive shaft 1a and driven shaft 2a central shafts with driven unit Online, two between centers have certain distance, are respectively provided with pairs of Cone Disc, wherein have removable disk 12a, 23a and fixed disk 11a, 24a, 121a, 231a, 111a, 241a circular conical surface therebetween sets V-type odontoid belt 30a, and driven and driven unit circular conical surface constrains, The pitch circle size variation of Cone Disc and belt contacts carrys out passing power and completes ramped procedure.

Driving unit sets the removable Cone Disc 12a for having several sliding slot 122a in one, and identical quantity is installed in sliding slot 122a Cylindrical chute roller 13a the drive shaft 1a revolutions received are converted into centrifugal force, set a tool at the rears sliding slot roller 13a There is the guide plate 14a on inclined-plane identical as sliding slot quantity to be led when sliding slot roller 13a is radial mobile inside and outside sliding slot track Plate 14a constrains and is converted into inside and outside movement the back-and-forth motion of removable Cone Disc, and removable Cone Disc 12a axle portions set a circle Tubular axle sleeve 15a makes it that can smoothly be moved forward and backward, and opposite contacts with the end faces axle sleeve 15a equipped with fixed Cone Disc 11a and fixes together It is changeable big with the pitch circle of belt contacts in the back-and-forth motion and fixed Cone Disc 11a on drive shaft 1a, moving Cone Disc 12a It is small.

Several guide post 123a are set on removable Cone Disc, shape can be channel-shaped, column or cylindrical shape, and be set therewith on guide plate The guide sleeve 16a of cooperation, with the relative position of resting guide inclined-plane 141a and sliding slot roller 13a.

Driven unit also is provided with pairs of Cone Disc, also has removable Cone Disc 23a and fixed Cone Disc 24a respectively, but fill If position and driving unit are on the contrary, such as driving unit moves Cone Disc 12a inside, then the removable circle of driven unit Cone disk 23a is then set to outside, and the centres fixed Cone Disc 24a are linked with a cylindric hollow shaft 242a, are needed according to mechanism Endoporus can set bearing, can also be directly fixed on driven shaft 2a, and the removable opposites Cone Disc 23a set fixed Cone Disc 24a, center Position is linked with a cylindric hollow shaft 233a, is inserted in fixed Cone Disc hollow shaft 242a, can be moved forward and backward on it, can Mobile Cone Disc hollow shaft 233a radial sides are equipped with several oblong cams slot 232a, lead tip 26a with cylinder and are fixed on fixation Preset hole on Cone Disc hollow shaft 242a adjusts speed changer impedance using this elongate auger slot as twisting force cam.

The driven removable rears Cone Disc hollow shaft 233a are equipped with cylindrical shape compressed spring 25a to suppress belt.

Clutch 22a can be set according to mechanism demand in the driven fixed ends Cone Disc hollow shaft 242a, and at the ends driven shaft 2a End sets a cylinder hollow cap shape bell housing 21a, when clutch reaches specified rotation number, starts to connect with bell housing internal diameter 211a It touches, opportunity is transmitted to adjust power.

Utility model content

The utility model be take up space to solve to become known for the continuous variable speed system of general motor vehicles, belt fortune Turn over journey generate utter long and high-pitched sounds with interval slap Cone Disc or other positions generate abnormal sound and V-type odontoid belt bending or dislocation generate The shortcomings of transmission efficiency is unstable provides a kind of continuous variable speed system.

The above-mentioned purpose of the utility model is realized by technical solution below：A kind of continuous variable speed system, including drive Moving cell, driven unit and roller unit；

The driving unit includes fixed circular arc disk and clutch, and the fixed circular arc disk is equipped with the first arc surface, and first Arc surface front opening is connected with hollow shaft, and hollow shaft is installed on drive shaft, the clutch by needle bearing and ball bearing Device is inserted in fixed circular arc disk, and is equipped with spring pocket with axis connection, clutch top is driven, is set between spring pocket and ball bearing There is spring；

The driven unit includes driven shaft, driven shaft gear, ruler holder and spring stop, ruler holder and spring catch Compressed spring is equipped between plate, ruler mid-stent connects guide plate with gasket by first bearing, and ruler holder both sides are fixed with Ruler item, ruler item are equipped with first flank of tooth；The hollow axis connection moves circular arc disk, and the removable circular arc disk is equipped with the second circular arc Face, sliding slot and several V-shaped grooves, the interior installing of V-shaped groove and the comparable V-arrangement baffle of its quantity, make to form oblique chute therebetween, described removable Dynamic circular arc dish external diameter is equipped with removable circular arc disk gear collocation planetary gear set and is connect with driven shaft gear；

The roller unit includes bearing base, is connected with by fourth bearing and roll fixed shaft guide sleeve on bearing base Roll fixed shaft, roll fixed shaft upper end are connected with idler wheel rotate gear, and idler wheel rotate gear side passes through idler wheel latch and Three bearings are connected with idler wheel, and idler wheel latch is fixed on across idler wheel rotate gear on roll fixed shaft；Bearing base is equipped with ruler Bushing holder.

The utility model compared with prior art the advantages of be：The utility model include driving unit, roller unit with from This Unit three is integrated into drive shaft and its around, driving is condensed into two with each pairs of Cone Disc of driven unit by moving cell Unit shares pairs of circular arc disk to reduce use space, replaces V-type odontoid belt with roller unit, solves abnormal sound and transmission efficiency The shortcomings of unstable.

Description of the drawings

Fig. 1 is the continuous variable speed system sectional view for becoming known for general motor vehicles.

Fig. 2 is the vertical view of the utility model.

Fig. 3 is the stereogram exploded view of the utility model.

Fig. 4 is the sectional view of the utility model driving unit.

Fig. 5 is the vertical view of the utility model roller unit.

Fig. 6 is the sectional view of the utility model roller unit.

Fig. 7 is the sectional view of the utility model driven unit.

Fig. 8 is the partial side view of the utility model driven unit.

Fig. 9 is the continuous variable speed system stereogram of another case study on implementation motor vehicles of the utility model.

Specific implementation mode

The utility model is described in further detail with reference to embodiment.

It please coordinate with reference to shown in figure 2, Fig. 3, Fig. 4, one preferred embodiment of the utility model is continuous variable speed system, is suitable For general motor-driven motor vehicles, including driving unit 10, driven unit 20 and roller unit 40；

The driving unit 10 includes that fixed circular arc disk 11 and clutch 12, the fixed circular arc disk 11 are equipped with the first circular arc Face 111,111 front opening of the first arc surface are connected with hollow shaft 112, and hollow shaft 112 passes through needle bearing 114 and ball bearing 115 are equipped with drive shaft 1, and the clutch 12 is inserted in fixed circular arc disk 11, and is connect with drive shaft 1,12 top of clutch Equipped with spring pocket 117, spring 116 is equipped between spring pocket 117 and ball bearing 115；

The driven unit 20 includes driven shaft 2, driven shaft gear 3, ruler holder 27 and spring stop 30, ruler holder Compressed spring 29 is equipped between 27 and spring stop 30,27 middle part of ruler holder connects guide plate by first bearing 26 and gasket 25 22,27 both sides of ruler holder are fixed with ruler item 28, and ruler item 28 is equipped with first flank of tooth 281；The removable circle of the connection of the hollow shaft 112 Arc disk 21, the removable circular arc disk 21 are equipped with the second arc surface 211, sliding slot 212 and several V-shaped grooves 213, and V-shaped groove 213 is built-in If with the comparable V-arrangement baffle 24 of its quantity, make to form oblique chute 214 therebetween, removable 21 outer diameter of circular arc disk is equipped with removable 215 collocation planetary gear set 51 of dynamic circular arc disk gear is connect with driven shaft gear 3；

The roller unit 40 includes bearing base 49, is led by fourth bearing 47 and roll fixed shaft on bearing base 49 Set 46 is connected with roll fixed shaft 45, and 45 upper end of roll fixed shaft is connected with idler wheel rotate gear 44, idler wheel rotate gear 44 1 Side is connected with idler wheel 41 by idler wheel latch 43 and 3rd bearing 42, and idler wheel latch 43 is fixed on rolling across idler wheel rotate gear 44 It takes turns in fixing axle 45；Bearing base 49 is equipped with ruler bushing holder 48.

The operation principle of the utility model：

Referring to Fig. 4, driving unit connects clutch 12 by drive shaft 1 transmits revolution and driving force, when clutch revolution After reaching certain setting value, clutch 12 starts to contact with the inner surface 113 for the fixation circular arc disk 11 for being set to front, drives and fixes Circular arc disk 11 rotates.

Please coordinate with reference to shown in figure 2,4,5,6,7, when fixed circular arc disk 11 starts rotation, by the first arc surface 111 with The idler wheel 41 for being set to the roller unit 40 in front of it is contacted and is driven, and the 4th arc surface 411 of idler wheel 41 is according to initially setting Fixed angle is by revolution via the second circular arc of the removable circular arc disk 21 for being set to fixed 11 hollow shaft of circular arc disk, 112 outer surface Face 211 exports power, and the 4th arc surface 411 of idler wheel 41 contacts friendship circle with the first arc surface 111 of fixed circular arc disk 11 at this time The second arc surface 211 than the 4th arc surface 411 and removable circular arc disk 21 is small, is in the decelerating phase, is stable delivery revolution, So set compressed spring 29 in 22 front of guide plate bestows precompression compacting to second, four arc surfaces, below the first arc surface 111 If spring 116 bestows it precompression compacting,

Revolution is converted into centrifugal force by the sliding slot roller 33 that removable 21 rotation process of circular arc disk is installed in its sliding slot 212 Guide plate 22 is pushed via about 221 third arc surface along 212 track of sliding slot, and is set to the ruler holder 27 in 22 front of guide plate According to its displacement the idler wheel rotate gear installed at 41 rear of idler wheel is pulled by installing first flank of tooth 281 on ruler item 28 therebetween Second flank of tooth 441 on 44, with rotation roller 41, when idler wheel 41 rotates, the 4th arc surface 411 and the first arc surface 111, The contact of two arc surfaces 211 hands over circle just to will change, and carries out speed change in this approach,

It please coordinate refering to what is shown in Fig. 8, being installed and the comparable V-arrangement of its quantity in several V-shaped grooves 213 of removable circular arc disk 21 Baffle 24 makes to form oblique chute 214 therebetween, makes the vibration-damping sheet 23 of parallelogram that can follow the track of oblique chute 214 therebetween It moves up and down, has both the guide-localization and 232a twisting force cam functions of known guide post 123a and guide sleeve 16a,

It please coordinate with reference to shown in figure 3,4,7, to make ruler holder 27 not as guide plate 22 rotates, in ruler holder 27 The central outer surface 222 of intracardiac hole 271 and guide plate 22 first installs circular gasket 25 and sets first bearing 26 again on it, to make pressure Contracting spring 29 is not rotated with fixed 11 hollow shaft 112 of circular arc disk, and second bearing 31 is set between hollow shaft 112 and spring stop 30 And prevent from falling off with the fixation of axis retaining ring 32,

It please coordinate with reference to shown in figure 2,7, to enable the ruler item 28 on ruler holder 27 to stablize running, on bearing base 52 If ruler bushing holder 48,

It please coordinate with reference to shown in figure 3,5,6, be allowed to enable idler wheel 41 to be fixed on certain position with idler wheel rotate gear 44 Simultaneously 41 energy radial rotary of idler wheel can be rotated synchronously, installs 3rd bearing 42 in the centre bore 412 of idler wheel 41, and in 3rd bearing 42 Centre bore installs idler wheel latch 43, and idler wheel latch 43 is fixed across 44 preset side circular hole 442 of idler wheel rotate gear with idler wheel The sidewise hole 451 of axis 45, when the circular hole 431 of idler wheel latch 43 is directed at 45 top preformed hole of roll fixed shaft, with fastened by screw,

It please coordinate with reference to shown in figure 3,5,6, to keep two side wheels 41 synchronous and opposite running, be set in roll fixed shaft 45 Side parallel surface 452,50 centre bore of first gear also set same shape endoporus, and 46 are installed in order in about 50 both sides of first gear Roll fixed shaft guide sleeve, first gear 50, fourth bearing 47, are reloaded into bearing base 49, roll fixed shaft 45 are fixed, two Side wheel fixing axle 45 is interconnected with 50 flank of tooth of first gear, is mutually constrained with this.

It please coordinate with reference to shown in figure 3,7, the removable collocation of circular arc disk gear 215 planet is set in removable 21 outer diameter of circular arc disk Gear set 51 is connect with driven shaft gear 3, becomes a part for general motor vehicle drive train.

As shown in figure 9, being the continuous variable speed system stereogram of another case study on implementation motor vehicles of the utility model.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Using equivalent structure or equivalent flow shift made by the utility model specification and embodiment content, directly or indirectly use In other related technical areas, it is equally included in the patent within the scope of the utility model.

Claims

1. a kind of continuous variable speed system, it is characterised in that：Including driving unit (10), driven unit (20) and roller unit (40)；

The driving unit (10) includes fixed circular arc disk (11) and clutch (12), and the fixed circular arc disk (11) is equipped with first Arc surface (111), the first arc surface (111) front opening are connected with hollow shaft (112), and hollow shaft (112) passes through needle bearing (114) and ball bearing (115) is equipped with drive shaft (1), and the clutch (12) is inserted in fixed circular arc disk (11), and with drive Moving axis (1) connects, and spring pocket (117) is equipped at the top of clutch (12), is equipped between spring pocket (117) and ball bearing (115) Spring (116)；

The driven unit (20) includes driven shaft (2), driven shaft gear (3), ruler holder (27) and spring stop (30), ruler It is equipped with compressed spring (29) between holder (27) and spring stop (30), passes through first bearing (26) in the middle part of ruler holder (27) With gasket (25) connection guide plate (22), ruler holder (27) both sides are fixed with ruler item (28), and ruler item (28) is equipped with first flank of tooth (281)；Hollow shaft (112) connection moves circular arc disk (21), and the removable circular arc disk (21) is equipped with the second arc surface (211), sliding slot (212) and several V-shaped grooves (213), the interior installing of V-shaped groove (213) and the comparable V-arrangement baffle (24) of its quantity, make Oblique chute (214) is formed therebetween, and removable circular arc disk (21) outer diameter is equipped with removable circular arc disk gear (215) collocation planet Gear set (51) is connect with driven shaft gear (3)；

The roller unit (40) includes bearing base (49), is consolidated by fourth bearing (47) and idler wheel on bearing base (49) Dead axle guide sleeve (46) is connected with roll fixed shaft (45), and roll fixed shaft (45) upper end is connected with idler wheel rotate gear (44), rolling Wheel rotate gear (44) side is connected with idler wheel (41) idler wheel latch (43) by idler wheel latch (43) and 3rd bearing (42) and wears Idler wheel rotate gear (44) is crossed to be fixed on roll fixed shaft (45)；Bearing base (49) is equipped with ruler bushing holder (48).