CN209743425U

CN209743425U - Clutch driven plate

Info

Publication number: CN209743425U
Application number: CN201920372467.7U
Authority: CN
Inventors: 袁辉
Original assignee: Suzhou Hui Mei Automotive Technology Co Ltd
Current assignee: Suzhou Hui Mei Automotive Technology Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-06
Anticipated expiration: 2029-03-22

Abstract

The utility model relates to the technical field of machinery, a clutch driven plate is disclosed, including torsional damper, axle sleeve and friction disc, torsional damper includes: the shock absorber body comprises an outer ring and an inner ring, and the outer ring and the inner ring are respectively connected with the coaxially rotating shaft sleeve and the friction plate; the pull pin group comprises two pull pin units, and the two pull pin units are respectively positioned on the outer ring and the inner ring; and the inhaul cables are fixed and tightly attached to the pull pin group and are distributed along the radial direction of the shock absorber body. The utility model discloses a friction disc is as power input end, and the axle sleeve transmits to power output end as power output end from the loaded moment of power input end through the dowel group and cable. The utility model discloses simple structure just can not produce the noise, during transmission moment, circle the increase of distance between the pulling force round pin unit on pulling force round pin unit and the outer lane, power input end and power output end produce the angle of torsion, the increase of power input end moment, the change of angle of torsion and torsional rigidity also increases in succession thereupon.

Description

Clutch driven plate

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a clutch driven plate.

Background

The combustion knock of the engine causes unavoidable torsional vibrations in the rotation of the output shaft, which are detrimental to the drivetrain and can also cause vibrations and noise. To reduce this torsional vibration, a set of torsional damper devices must be added between the engine output shaft and the transmission input shaft.

the clutch driven disc is limited by the internal arrangement space, the torsion angle of the torsion damper is limited, the torsion angle is small under the condition of certain torque, the damping effect of the clutch driven disc is poor, and in order to improve the damping effect of the clutch driven disc, multi-level rigidity is mostly adopted in engineering, but certain impact noise is generated when the rigidity level is crossed.

SUMMERY OF THE UTILITY MODEL

Based on the above, an object of the utility model is to provide a clutch driven plate has solved the shock noise that the damping effect that exists because clutch driven plate space is limited and cause is unsatisfactory or produce because strideing across rigidity grade.

In order to achieve the purpose, the utility model adopts the following technical proposal:

A clutch driven plate comprising a torsional damper, a bushing and friction plates, said torsional damper comprising:

The shock absorber body comprises an outer ring and an inner ring which are concentrically distributed and can relatively rotate, and the inner ring and the outer ring are respectively connected with the shaft sleeve and the friction plate;

the pull pin group comprises two pull pin units, and the two pull pin units are respectively positioned on the inner ring and the outer ring;

And the inhaul cables are fixed and tightly attached to the pull pin groups and are distributed along the radial direction of the shock absorber body, so that the two pull pin units of each pull pin group are mutually closed.

As a preferable scheme of the clutch driven disc, the pull cable comprises an elastic pull cable made of elastic materials, and the pull cable is fixed on one group of pull pin groups or the pull cables adjacent to the pull pin groups are connected end to end.

As a preferable mode of the clutch driven disc, the pull cable includes a tension spring pull cable composed of a tension spring, and the pull cable is fixed to a group of the pull pin groups.

as a preferred scheme of the clutch driven disc, the stay cable comprises a rigid stay cable, the stay cable is fixed on a group of the pull pin groups or the stay cable adjacent to the pull pin groups is connected end to end, the torsional vibration damper further comprises a spring and a spring seat used for fixing the spring, and the stay cable is tightly attached to the spring seat.

As a preferred scheme of clutch driven plate, the cable includes the hold-in range, be equipped with first meshing tooth on the spring holder, be equipped with on the cable with the second meshing tooth of first meshing tooth meshing, the spring holder is fixed in on the cable.

As a preferable scheme of the clutch driven disc, two tension pin units of the tension pin group respectively comprise two spaced tension pins and one tension pin, the pull cable is positioned on the periphery of the tension pin group and clings to the tension pin group, and the spring seat are positioned between the adjacent tension pin groups.

As a preferred scheme of clutch driven plate, the cable includes the bandlet cable, be equipped with the boss on the spring holder, be equipped with the wear-to-establish hole on the cable, the boss passes the wear-to-establish hole makes the spring holder is fixed in on the cable.

As a preferred scheme of clutch driven plate, the cable includes rope or filiform cable, be equipped with the draw-in groove on the spring holder, the cable with draw-in groove interference fit will the spring holder is fixed in on the cable.

As a preferred scheme of the clutch driven disc, the clutch driven disc further comprises two damping plates and a damping spring, the two damping plates are respectively located at the end part of the spring seat and are parallel to the outer ring, and the damping spring is located between the two damping plates, so that the damping plates are tightly attached to the end part of the spring seat.

As a preferable scheme of the clutch driven disc, the number of the pull pin groups comprises at least two, and at least two pull pin groups are uniformly distributed along the circumferential direction of the shock absorber body.

The utility model has the advantages that: clutch driven plate during operation, the friction disc is as power input end, and the axle sleeve is as power output end, and simple structure just can not produce the noise, in limited space, from power input end loaded moment, transmit to power output end through dowel group and cable, during the transmission moment, lie in interior round dowel unit and lie in the outer lane between the dowel unit straight-line distance increase, power input end and power output end produce certain torsion angle, the ratio of definition moment and torsion angle change is torsional rigidity, the utility model discloses along with the increase of power input end moment, the change of torsion angle and torsional rigidity also is forward continuous increase thereupon, and the damping effect reinforcing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic view of a clutch driven plate according to a first embodiment of the present invention;

Fig. 2 is a schematic view of a first variation of a torsional vibration damper according to a first embodiment of the present invention;

Fig. 3 is a schematic view of a second variation of a torsional vibration damper according to a first embodiment of the present invention;

Fig. 4 is a schematic view of a clutch driven plate according to a second embodiment of the present invention;

FIG. 5 is a graph comparing the damping performance curves of the embodiment II and the prior art;

Fig. 6 is a schematic view of a first variation of a torsional vibration damper according to a second embodiment of the present invention;

Fig. 7 is a schematic view of a second variation of the second embodiment of the present invention;

FIG. 8 is a schematic view of a torsional vibration damper of an embodiment of the present invention secured with a boss;

fig. 9 is a schematic view of a third modification of the torsional vibration damper according to the second embodiment of the present invention;

Fig. 10 is a schematic view of a fourth modification of the torsional vibration damper according to the second embodiment of the present invention;

fig. 11 is a schematic view of the torsional damper according to the second embodiment of the present invention fixed by a pressing block and a fastening member;

Fig. 12 is a schematic view of a fifth modification of the torsional vibration damper according to the second embodiment of the present invention;

fig. 13 is a schematic view of a damper with a damping structure according to an embodiment of the present invention.

in the figure:

1-outer ring, 2-inner ring, 3-tension pin group, 31-outer ring tension pin unit, 32-inner ring tension pin unit, 33-bolt, 4-stay cable, 41-through hole, 5-spring seat, 51-spring seat body, 511-groove, 512-second fixing hole, 52-boss, 53-pressing block, 531-first fixing hole, 54-fastener, 6-spring, 71-damping sheet, 72-damping spring, 9-shaft sleeve, 10-corrugated sheet, 11-rivet, 12-friction sheet and 13-rope hoop.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a clutch driven plate, including torsional damper, axle sleeve 9, wave form piece 10 and friction disc 12, torsional damper includes shock absorber body, kingpin group 3 and cable 4, and the shock absorber body includes outer lane 1 and inner circle 2 that distribute concentrically and can relative rotation again, and inner circle 2 and outer lane 1 are connected with axle sleeve 9 and friction disc 12 respectively, and the axle sleeve 9 of this embodiment is the spline axle sleeve. The outer ring 1 is connected with the corrugated plate 10 through the rivets 11, and the corrugated plate 10 is connected with the friction plate 12, so that the friction plate 12 is connected with the outer ring 1.

The dowel pin group 3 of the embodiment includes two dowel pin units, namely an outer ring dowel pin unit 31 and an inner ring dowel pin unit 32, the number of the dowel pin groups 3 includes at least two, and the at least two dowel pin groups 3 are uniformly distributed along the circumferential direction of the shock absorber body. The stay cable 4 is fixed and clings to the pull pin groups 3, and the stay cable 4 is distributed along the radial direction of the shock absorber body, so that the outer ring pull pin unit 31 and the inner ring pull pin unit 32 of each pull pin group 3 are close to each other.

The clutch driven plate during operation of this embodiment, friction disc 12 is as power input end, axle sleeve 9 is as power output end, in limited space, from power input end loaded moment, transmit to power output end through dowel group 3 and cable 4, simple structure just can not produce the noise, during transmission moment, the straight line distance increase between outer lane dowel unit 31 and the inner circle dowel unit 32 of every dowel group 3, power input end and power output end produce certain torsion angle, the ratio of definition moment and torsion angle change is torsional rigidity, the utility model discloses along with the increase of power input end moment, the change of torsion angle and torsional rigidity also is forward continuous increase thereupon, the damping effect reinforcing need not to improve the damping effect through adopting multistage rigidity distribution.

Example one

As shown in fig. 1, the number of the kingpin sets 3 of the present embodiment includes eight groups, and the two kingpin units of each kingpin set 3 are uniformly distributed in the radial direction of the damper body. Each tension pin unit comprises a tension pin, the pull cable 4 of the embodiment comprises an elastic pull cable made of elastic material and/or a tension spring pull cable made of tension spring, and one pull cable 4 is fixed on one group of the pull pin groups 3. Of course, the structure of the torsional damper of the present embodiment is not limited to the present embodiment, and the following modifications are also possible.

First modification of the torsional damper of the first embodiment

as shown in fig. 2, the number of the kingpin sets 3 of the present embodiment includes eight sets, wherein the outer ring kingpin units 31 and the inner ring kingpin units 32 are uniformly distributed in a staggered manner, each kingpin unit includes one kingpin, the guy cable 4 is an elastic guy cable made of an elastic material, and the guy cables 4 of adjacent kingpin sets 3 are connected end to end and distributed in a star shape.

Second modification of the torsional vibration damper of the first embodiment

As shown in fig. 3, the number of the dowel pin sets 3 in the present embodiment includes eight sets, and the outer ring dowel pin units 31 and the inner ring dowel pin units 32 of each dowel pin set 3 are uniformly distributed along the radial direction of the damper body, that is, the outer ring dowel pin units 31 and the inner ring dowel pin units 32 of each dowel pin set 3 are on the same diameter. Each tension pin unit comprises a tension pin, the tension cable 4 is an elastic tension cable made of elastic materials and/or a tension spring cable composed of tension springs, two ends of each tension spring cable are respectively provided with a drag hook, the drag hooks are fixed on the tension pins, and one tension spring is fixed on one tension pin group 3.

the first embodiment, the first modification and the second modification of the torsional damper are both the case where the cable 4 is elastic, and the modification of the cable 4 can be realized by the modification of the cable 4 itself. However, the utility model discloses a cable 4 is not limited to elastic condition, can also be the rigid cable, and the condition that cable 4 does not have elasticity promptly, and the cross sectional shape according to cable 4 is different, can divide into bandlet cable or rope or filiform cable.

example two

The cable 4 of this embodiment is a rigid cable, that is, the cable 4 has no elasticity, and can be divided into a ribbon cable, a rope, or a wire cable according to the shape of the cross section of the cable 4. In order to enable the torsional vibration damper with the rigid stay cable to realize the function of converting the torque into the torsion angle, the torsional vibration damper comprises a spring 6 and a spring seat 5 for fixing the spring 6, the spring seat 5 is arranged on the vibration damper body, each pull pin group 3 corresponds to two spring seats 5, and the two spring seats 5 can move relatively, so that the spring 5 arranged between the two spring seats 5 can be modified.

the cable 4 is hugged closely with spring holder 5, makes the cable 4 of every gudgeon round pin group 3 be parallelogram along its circumference and distributes, and this kind of arrangement can make torsional member shock absorber during operation, compares in prior art, inputs the moment of the same size from friction disc 12, and this application can produce bigger torsion angle, and the torsional rigidity of this application is littleer promptly. Of course, the guy cable 4 of each dowel pin group 3 of the present invention is not limited to be distributed in a parallelogram along its circumference, but may be a quadrangle or a triangle, and is specifically arranged according to actual conditions.

As shown in fig. 4, the inner ring 2, the inner tension pin and the shaft sleeve 9 of the present embodiment are integrated, the cable 4 includes a synchronous belt, the synchronous belt is a single layer, two tension pin units of the tension pin group 3 respectively include two spaced tension pins and one tension pin, the cable 4 is located at the periphery of the tension pin group 3 and clings to the tension pin group 3, and the spring 6 and the spring seat 5 are located between adjacent tension pin groups 3. The outer side of the spring seat 5 is provided with first meshing teeth, the inner side of the inhaul cable 4 is provided with second meshing teeth meshed with the first meshing teeth, the spring seat 5 is fixed on the inhaul cable 4, and the inhaul cable 4 of the adjacent gudgeon pin group 3 is connected end to end in the embodiment.

To further explain the effect of the present embodiment in detail, through a lot of experiments, a damping performance curve obtained by using the conventional technology and the second embodiment of the present application is specifically shown in fig. 13. In the figure, the ordinate a is torque, the abscissa B is torsion angle, and a and B are damping performance curves of the torsional damper obtained by the conventional technique and the second embodiment of the present application, respectively. According to experimental results, under the condition that the torque is constant, the torsion angle obtained by the method is larger than that of the traditional scheme, namely, when the same torque is provided for the torsion dampers of the method and the traditional scheme, the torsion rigidity is smaller.

First modification of torsional damper of the second embodiment

As shown in fig. 6, the guy cables 4 are flat belt guy cables, each group of guy pin groups 3 comprises two guy cables 4, each guy cable 4 can be of a single-layer or multi-layer structure, and when the guy cables are of multiple layers, the multiple layers of flat belt guy cables are stacked together to form one guy cable 4. Every pulling force round pin unit includes two gapped pulling force round pins, and the both ends of every cable 4 pass the clearance between two pulling force round pins respectively, make the both ends of cable 4 be crooked form or the form of buckling, make cable 4 be fixed in on the pulling force round pin unit, when cable 4 was tensile, crooked form or the form of buckling formed the friction auto-lock to it is fixed to form to connect.

The spring 6 and the spring seat 5 of this variant embodiment are located between two cables 5 of every group, and cable 4 is fixed in on spring seat 5 through boss 52, makes spring seat 5 be fixed in on cable 4, specifically, as shown in fig. 7, is equipped with boss 52 on spring seat 5, is equipped with on the bandlet cable and wears to establish hole 41, boss 52 with wear to establish hole 41 cooperation to be fixed in on spring seat 5 with cable 4.

Second modification of the torsional vibration damper of the second embodiment

As shown in fig. 8, the guy cables 4 are flat belt guy cables, each group of guy pin groups 3 comprises two guy cables 4, each guy cable 4 can be of a single-layer or multi-layer structure, and when the guy cables are of multiple layers, the multiple layers of flat belt guy cables are stacked together to form one guy cable 4. The spring 6 and the spring seat 5 of the present modified embodiment are located between the two cables 5 of each group.

two pulling force round pin units of pulling force round pin group 3 all include two gapped pulling force round pins, still be equipped with two bolts 33 between two pulling force round pins of outer lane pulling force round pin unit 31, the both ends of cable 4 can pass the clearance and twine respectively at two bolts 33, make the tip of cable 4 be the bending form of title or the form of buckling, and then make cable 4 be fixed in on the pulling force round pin unit, when cable 4 is tensile, bending form or the form of buckling form friction auto-lock, thereby it is fixed to form the connection. A plug 33 is further provided between the two tension pins of the inner tension pin unit 32, and the middle portion of the cable 4 can be wound around the plug 33 and closely attached to the outer surfaces of the two tension pins of the inner tension pin unit 32, respectively.

Of course, the number of the tension pins included in the tension pin unit of the present invention is not limited to two in this embodiment, and other numbers can be used, and the tension pin unit is specifically set according to actual needs. For example, two tension pin units of one tension pin group 3 respectively comprise two tension pins with gaps and one tension pin, a gap is reserved between adjacent tension pin units comprising one tension pin, and the inhaul cable 4 passes through the gap and is bent or bent, so that the inhaul cable 4 is fixed on the tension pin units.

Third modification of torsional damper of the second embodiment

As shown in fig. 9, the cables 4 are ropes or wire-shaped cables, the cables 4 may have a single or multiple structure, and when there are multiple cables, multiple ropes or wire-shaped cables are arranged in parallel or twisted with each other, and the cables 4 of this embodiment have two parallel structures. The spring 6 and the spring seat 5 of the present modified embodiment are located between the two cables 5 of each group. The inner ring 2 and the outer ring 1 are both provided with a rope hoop 13, and the end part of the inhaul cable 4 is fixed on the rope hoop 13.

As shown in fig. 10, the spring seat 5 includes a spring seat body 51, a pressing piece 53 and a fastening piece 54, the spring seat body 51 is provided with a groove 511, a rope or a wire-shaped cable can be relatively fixed in the groove 511, the pressing piece 53 is provided with a first fixing hole 531, the spring seat body 51 is provided with a second fixing hole 512, and the fastening piece 54 passes through the first fixing hole 531 to the second fixing hole 512, so that the rope or the wire-shaped cable is fixed between the spring seat body 51 and the pressing piece 53.

fourth torsional damper of the second embodiment

The cable 4 is a rope or a filiform cable, the inner ring 2 and the outer ring 1 are both provided with a rope hoop 13, and the end part of the cable 4 is fixed on the rope hoop 13. The inhaul cable 4 can be in a structure that single strands or multiple strands are mutually twisted and a plurality of strands are arranged in parallel. As shown in fig. 11, the guy cables 4 are of four parallel structures, the spring seat 5 is provided with four clamping grooves, and each guy cable 4 is in interference fit with one clamping groove to fix the guy cable 4 on the spring seat 5.

of course, the utility model discloses torsional damper's variant is not limited to the above-mentioned several kinds of circumstances that this embodiment provided, can also be other circumstances, for example the cable 4 is for having bellied bandlet form on the surface with spring holder 5 contact, has the recess 511 that cooperatees and use with the arch on the spring holder 5, and the clutch driven plate carries out the during operation, and protruding joint makes cable 4 be fixed in on the spring holder 5 in recess 511.

Fifth modification of torsional damper of the second embodiment

As shown in fig. 12, the inner ring 2, the inner tension pin and the shaft sleeve 9 are integrated, both ends of the flat-band cable of each tension pin group 3 respectively pass through the gap of the tension pin unit located on the outer ring 1, and the cable 4 is closely attached to the latch 33 and the spring seat body 51, so that the cable 4 is fixed to the tension pin group 3. This embodiment simple structure, the damping effect is better.

As shown in fig. 13, the second embodiment further includes a damping structure, which includes two damping fins 71 and a damping spring 72, wherein the two damping fins 71 are respectively located at the end of the spring seat 5 and are parallel to the outer ring 1, and the damping spring 72 is located between the two damping fins 71, so that the damping fins 71 are tightly attached to the end of the spring seat 5. Of course, the utility model discloses a when cable 4 is the rigid cable, both can set up this damping structure, can also not set up the damping structure, specifically confirm according to actual need.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A clutch driven plate comprising a torsional damper, a sleeve (9) and friction plates (12), characterized in that the torsional damper comprises:

the shock absorber body comprises an outer ring (1) and an inner ring (2) which are concentrically distributed and can relatively rotate, wherein the inner ring (2) and the outer ring (1) are respectively connected with the shaft sleeve (9) and the friction plate (12):

the pull pin group (3) comprises two pull pin units, and the two pull pin units are respectively positioned on the outer ring (1) and the inner ring (2);

And the inhaul cables (4) are fixed and tightly attached to the pull pin groups (3), and the inhaul cables (4) are distributed along the radial direction of the shock absorber body, so that the two pull pin units of each pull pin group (3) are mutually closed.

2. a clutch driven disc according to claim 1, characterized in that the stay (4) comprises an elastic stay made of an elastic material, the stay (4) being fixed to a set of the pull pins (3) or the stay (4) of an adjacent set of the pull pins (3) being connected end to end.

3. the clutch driven disc according to claim 1, characterized in that the pull cable (4) comprises a tension spring pull cable consisting of a tension spring, the pull cable (4) being fixed to a set of the pull pin groups (3).

4. The clutch driven disc according to claim 1, characterized in that the pulling cable (4) comprises a rigid pulling cable, the pulling cable (4) is fixed on one group of the pulling pin groups (3) or the pulling cable (4) adjacent to the pulling pin group (3) is connected end to end, the torsional vibration damper further comprises a spring (6) and a spring seat (5) for fixing the spring (6), and the pulling cable (4) is tightly attached to the spring seat (5).

5. The clutch driven disc according to claim 4, characterized in that the pulling cable (4) comprises a synchronous belt, the spring seat (5) is provided with a first engaging tooth, the pulling cable (4) is provided with a second engaging tooth engaged with the first engaging tooth, and the spring seat (5) is fixed on the pulling cable (4).

6. The clutch driven disc according to claim 4, characterized in that the two kingpin units of the kingpin group (3) each comprise two spaced kingpins and one kingpin, the traction cable (4) being located at the periphery of and abutting the kingpin group, the spring (6) and the spring seat (5) being located between adjacent kingpin groups.

7. The clutch driven disc according to claim 4, characterized in that the pulling cable (4) comprises a flat belt pulling cable, the spring seat (5) is provided with a boss (52), the pulling cable (4) is provided with a through hole (41), and the boss (52) passes through the through hole (41) to fix the spring seat (5) on the pulling cable (4).

8. the clutch driven disc according to claim 4, characterized in that the pulling cable (4) comprises a rope or a wire-shaped pulling cable, the spring seat (5) is provided with a clamping groove, and the pulling cable (4) is in interference fit with the clamping groove to fix the spring seat (5) on the pulling cable (4).

9. The clutch driven disc according to claim 4, characterized in that the clutch driven disc further comprises two damping plates (71) and a damping spring (72), wherein the two damping plates (71) are respectively located at the end of the spring seat (5) and are parallel to the outer ring (1), and the damping spring (72) is located between the two damping plates (71) so that the damping plates (71) are closely attached to the end of the spring seat (5).

10. The clutch driven disc according to any one of claims 1 to 9, characterized in that the number of the dowel groups (3) comprises at least two, and at least two of the dowel groups (3) are evenly distributed circumferentially along the damper body.