Dry dual clutch Combined hydraulic release bearing assembly
Technical field
The present invention relates to a kind of dry dual clutch Combined hydraulic release bearing assembly, the dry dual clutch Combined hydraulic release bearing assembly specifically pony car used, belongs to automobile clutch separation technology field.
Background technique
Double clutch is that one can transferring power, can cut off again the driving mechanism of power.Its effect mainly ensures the gentle start of automobile energy, alleviates the impulsive load of speed change gear and prevent power train from transshipping during gear shift.Dry dual clutch has two groups of mutual alternations of clutch, need configure two groups of independently release bearing and separating mechanisms, its complex structure compared with traditional single clutch, and boundary dimension is large, Heavy Weight.Therefore, pony car uses, relevant portion will design more compact, could meet usage requirement.The form that existing dry dual clutch realizes switching gear on automobile gearbox mutually replaces promotion two groups of release sleeves (declutch shaft bearing) by two groups of disengaging yokes to drive two groups of release bearings axial reciprocating on gear box I central siphon cover to slide, two groups of release bearings replace the combination separation that extruding two groups of diaphragm spring separation fingers realize dry dual clutch mutually, complete gear shift.There is following defect in this switching gear form: is cutting in shift process frequently, and release sleeve reciprocatingly slides for a long time at gear box I central siphon cover, very easily weares and teares each other; Two shift fork supporting surfaces on disengaging yoke and release sleeve are point cantact, and impact noise is large, and shift fork supporting surface contacting point very easily produces uneven wearing and tearing simultaneously, causes operation sense bad, gear shift difficulty.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thus a kind of dry dual clutch Combined hydraulic release bearing assembly is provided, by two groups, independently release bearing and separating mechanism are combined into an entirety, disengaging yoke is replaced with hydraulic fluid, hydraulic cylinder body replaces gear box I central siphon cover, piston to-and-fro motion in hydraulic cylinder body replaces release sleeve, simplify separating mechanism, mutual alignment is compact, and boundary dimension is little, lightweight, be separated steadily, impulse-free noise, operation sense is good, and gear shift is convenient.
According to technological scheme provided by the invention, dry dual clutch Combined hydraulic release bearing assembly comprises the first release bearing, first piston, the second piston, cylinder body and the second release bearing, it is characterized in that: one end of cylinder body is provided with two coaxially arranged hydraulic pressure cavity, be slidably connected in the hydraulic pressure cavity that two of cylinder body are coaxially arranged first piston and the second piston respectively;
The first profile of tooth connecting sheet is provided with outside first piston, the varus beam barrel of the first profile of tooth connecting sheet is set with the first release bearing and the first disc spring film, radial clearance is left between the varus beam barrel of the first profile of tooth connecting sheet and the first release bearing, and by the varus beam barrel flange of the first profile of tooth connecting sheet by the first disc spring film riveting of being sleeved on the first profile of tooth connecting sheet varus beam barrel in the first release bearing inner side plane, the first disc spring film compresses the first release bearing by guarantor's virial (aligning force) of setting; The outer turning tooth of the first profile of tooth connecting sheet closes up and is fitted on first piston left end cylindrical, realizes the firm connection of the first release bearing and first piston;
The second profile of tooth connecting sheet is provided with outside second piston, the varus beam barrel of the second profile of tooth connecting sheet is set with the second release bearing and the second disc spring film, radial clearance is left between the varus beam barrel of the second profile of tooth connecting sheet and the second release bearing, and by the varus beam barrel flange of the second profile of tooth connecting sheet by the second disc spring film riveting of being sleeved on the second profile of tooth connecting sheet varus beam barrel in the second release bearing inner side plane, the second disc spring film compresses the second release bearing by guarantor's virial (aligning force) of setting; The outer turning tooth of the second profile of tooth connecting sheet closes up and is fitted on the second piston left end cylindrical, realizes the firm connection of the second release bearing and the second piston;
Described cylinder body right side is provided with breach, is provided with the displacement transducer controlling first piston, the second piston stroke in breach.
Further, the other end of cylinder body is provided with the first feed pathway and the second feed pathway, the first feed pathway and the second feed pathway respectively with two hydraulic chamber into communication.
Further, the first hydraulic sealing ring is clamped in the annular groove on first piston right side; Clamp the first outer piston ring and the 2nd O RunddichtringO in the square groove of first piston outer round surface, the first outer piston ring is pressed on hydraulic pressure cavity inwall by the radical elasticity that the 2nd O RunddichtringO produces; The second inner carrier ring and the first inner carrier ring is clamped respectively in first piston internal circular surfaces two square grooves from right to left, be provided with an O RunddichtringO in second inner carrier ring place square groove, the second inner carrier ring is pressed on hydraulic pressure cavity inwall by the radical elasticity that an O RunddichtringO produces.
Further, the second hydraulic sealing ring is clamped in the annular groove on the second piston right side; Clamp the 3rd inner carrier ring and the 3rd O RunddichtringO in the square groove of the second piston internal circular surfaces, the 3rd inner carrier ring is pressed on hydraulic pressure cavity inwall by the radical elasticity that the 3rd O RunddichtringO produces; The second outer piston ring and the 3rd outer piston ring is clamped successively in second outside piston surface square groove from right to left, be provided with the 4th O RunddichtringO in second outer piston ring place square groove, the second outer piston ring is pressed on hydraulic pressure cavity inwall by the radical elasticity that the 4th O RunddichtringO produces.
Further, the outer circular bosses of cylinder body is provided with longitudinal external chute, first piston exterior edge face is provided with outward extending conjoined key, the conjoined key of first piston is inserted in longitudinal external chute of cylinder body, place restrictions on first piston in the cylinder hydraulic chamber of correspondence during to-and-fro motion radial rotary cause the damage of hydraulic pressure first hydraulic sealing ring.
Further, the internal circular surfaces of cylinder body is provided with longitudinal internal chute, second piston exterior edge face clamps elasticity conjoined key, the elasticity conjoined key that second piston clamps is inserted in longitudinal internal chute of cylinder body, limit the second piston in the cylinder hydraulic chamber of correspondence during reciprocating motion radial rotary cause the damage of hydraulic pressure second hydraulic sealing ring, the bi-side close contact of longitudinal internal chute of elasticity conjoined key bi-side and cylinder body internal circular surfaces, can prevent the second piston in the slippage easily of cylinder hydraulic chamber left end.
Further, the hydraulic pressure cavity of cylinder body and the left end outer round surface of first piston minor diameter fit clamp jump ring, jump ring places restrictions on the hydraulic pressure cavity left end slippage of first piston at cylinder body.
Compared with the prior art the present invention has the following advantages:
By two groups, independently release bearing and separating mechanism are combined into an entirety in the present invention, with hydraulic coupling mutually alternately promote piston I, piston II on cylinder body in two coaxially arranged hydraulic pressure cavity axial reciprocating slide, the combination driving the mutual alternately extruding two groups of diaphragm spring separation fingers of release bearing I, release bearing II to realize dry dual clutch is separated, complete gear shift, simplify separating mechanism, mutual alignment is compact, boundary dimension is little, lightweight, be separated steadily, impulse-free noise, operation sense is good, and gear shift is convenient.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is the A-A sectional view in Fig. 1.
Fig. 3 is plan view of the present invention.
Fig. 4 is the cylinder body outline drawing in the present invention.
Fig. 5 is the first piston outline drawing in the present invention.
Fig. 6 is the second piston profile figure in the present invention.
Description of reference numerals: 1-jump ring, 2-first release bearing, 3-first disc spring film, 4-first profile of tooth connecting sheet, 5-first inner carrier ring, 6-first piston, 7-the one O RunddichtringO, 8-second inner carrier ring, 9-first outer piston ring, 10-the 2nd O RunddichtringO, 11-first hydraulic sealing ring, 12-cylinder body, 13-second hydraulic sealing ring, 14-the 3rd inner carrier ring, 15-the 3rd O RunddichtringO, 16-second outer piston ring, 17-the 4th O RunddichtringO, 18-the 3rd outer piston ring, 19-second piston, 20-elasticity conjoined key, 21-second profile of tooth connecting sheet, 22-second disc spring film, 23-second release bearing, 24-displacement transducer, 25-conjoined key, 26-first feed pathway, 27-second feed pathway, the longitudinal external chute of 28-, the longitudinal internal chute of 29-, 30-breach.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Fig. 1 ~ 6, the present invention mainly comprises the first release bearing 2, first piston 6, second piston 19, cylinder body 12 and the second release bearing 23.
Cylinder body 12 adopts lightweight material to make, one end of cylinder body 12 is provided with two coaxially arranged hydraulic pressure cavity, the other end of cylinder body 12 be provided with the first feed pathway 26 and the second feed pathway 27, first feed pathway 26 and the second feed pathway 27 respectively with two hydraulic chamber into communication.
Be slidably connected in the hydraulic pressure cavity that two of cylinder body 12 are coaxially arranged first piston 6 and the second piston 19 respectively, the first profile of tooth connecting sheet 4 is provided with outside first piston 6, the varus beam barrel of the first profile of tooth connecting sheet 4 is set with the first release bearing 2 and the first disc spring film 3, radial clearance is left between the varus beam barrel of the first profile of tooth connecting sheet 4 and the first release bearing 2, and by the varus beam barrel flange of the first profile of tooth connecting sheet 4 by the first disc spring film 3 riveting of being sleeved on the first profile of tooth connecting sheet 4 varus beam barrel in the first release bearing 2 inner side plane, first disc spring film 3 compresses the first release bearing 2 by guarantor's virial (aligning force) of setting.The outer turning tooth of the first profile of tooth connecting sheet 4 closes up and is fitted on first piston 6 left end cylindrical, realizes the firm connection of the first release bearing 2 and first piston 6.
The first hydraulic sealing ring 11 is clamped in annular groove on described first piston 6 right side; First outer piston ring 9 is pressed on hydraulic pressure cavity inwall by the radical elasticity clamping the first outer piston ring 9 and the generation of the 2nd O RunddichtringO the 10, two O RunddichtringO 10 in the square groove of first piston 6 outer round surface, thus effectively stops external dust to enter hydraulic pressure cavity; The second inner carrier ring 8 and the first inner carrier ring 5 is clamped respectively in first piston 6 internal circular surfaces two square grooves from right to left, an O RunddichtringO 7 is provided with in second inner carrier ring 8 place square groove, second inner carrier ring 8 is pressed on hydraulic pressure cavity inwall by the radical elasticity that the one O RunddichtringO 7 produces, thus effectively stops external dust to enter hydraulic pressure cavity.
The second profile of tooth connecting sheet 21 is provided with outside second piston 19, the varus beam barrel of the second profile of tooth connecting sheet 21 is set with the second release bearing 23 and the second disc spring film 22, radial clearance is left between the varus beam barrel of the second profile of tooth connecting sheet 21 and the second release bearing 23, and by the varus beam barrel flange of the second profile of tooth connecting sheet 21 by the second disc spring film 22 riveting of being sleeved on the first profile of tooth connecting sheet 21 varus beam barrel in the second release bearing 23 inner side plane, the second disc spring film 22 compresses the second release bearing 23 by guarantor's virial (aligning force) of setting.The outer turning tooth of the second profile of tooth connecting sheet 21 closes up and is fitted on the second piston 19 left end cylindrical, realizes the firm connection of the second release bearing 23 and the second piston 19.
The second hydraulic sealing ring 13 is clamped in annular groove on described second piston 19 right side; The 3rd inner carrier ring 14 and the 3rd O RunddichtringO 15 is clamped in the square groove of the second piston 19 internal circular surfaces, 3rd inner carrier ring 14 is pressed on hydraulic pressure cavity inwall by the radical elasticity that the 3rd O RunddichtringO 15 produces, thus effectively stops external dust to enter hydraulic pressure cavity; The second outer piston ring 16 and the 3rd outer piston ring 18 is clamped successively in second piston 19 outer round surface square groove from right to left, the 4th O RunddichtringO 17 is provided with in second outer piston ring 16 place square groove, second outer piston ring 16 is pressed on hydraulic pressure cavity inwall by the radical elasticity that the 4th O RunddichtringO 17 produces, thus effectively stops external dust to enter hydraulic pressure cavity.
First outer piston ring 9, second inner carrier ring 8, first inner carrier ring 5, second outer piston ring 16, the 3rd outer piston ring 18, the 3rd inner carrier ring 14 respectively radial direction are first piston 6, second piston 19 to-and-fro motion guiding in the hydraulic pressure cavity of cylinder body 12.
The outer circular bosses of described cylinder body 12 is provided with longitudinal external chute 28, first piston 6 exterior edge face is provided with outward extending conjoined key 25, the conjoined key 25 of first piston 6 is inserted in longitudinal external chute 28 of cylinder body 12, place restrictions on first piston 6 in cylinder body 12 hydraulic pressure cavity of correspondence during to-and-fro motion radial rotary cause the damage of hydraulic pressure first hydraulic sealing ring 11.
The inner circle upper surface of described cylinder body 12 is provided with longitudinal internal chute 29, second piston 19 exterior edge face clamps elasticity conjoined key 20, the elasticity conjoined key 20 that second piston 19 clamps is inserted in longitudinal internal chute 29 of cylinder body 12, limit the second piston 19 in cylinder body 12 hydraulic pressure cavity of correspondence during reciprocating motion radial rotary cause the damage of hydraulic pressure second hydraulic sealing ring 13, the bi-side close contact of longitudinal internal chute 29 of elasticity conjoined key 20 bi-side and cylinder body 12 internal circular surfaces, can prevent the second piston 19 in the slippage easily of cylinder body 12 hydraulic pressure cavity left end simultaneously.
The hydraulic pressure cavity of described cylinder body 12 and the left end outer round surface of first piston 6 minor diameter fit clamp jump ring 1, and jump ring 1 places restrictions on the hydraulic pressure cavity left end slippage of first piston 6 at cylinder body 12.
Described cylinder body 12 right side is provided with breach 30, is provided with the displacement transducer 24 controlling first piston 6, second piston 19 stroke in breach 30.
By two groups, independently release bearing and separating mechanism are combined into an entirety in the present invention, with hydraulic coupling mutually alternately promote first piston, the second piston on cylinder body in two coaxially arranged hydraulic pressure cavity axial reciprocating slide, the combination that alternately extruding two groups of diaphragm spring separation fingers realize dry dual clutch mutually of the first release bearing, the second release bearing is driven to be separated, complete gear shift, simplify separating mechanism, mutual alignment is compact, boundary dimension is little, lightweight, be separated steadily, impulse-free noise, operation sense is good, and gear shift is convenient.