CN215409849U

CN215409849U - Clutch assembly

Info

Publication number: CN215409849U
Application number: CN202120357122.1U
Authority: CN
Inventors: 石成刚; 盛永明; 葛尘飞
Original assignee: Hangzhou Qianjin General Machinery Co ltd
Current assignee: Hangzhou Qianjin General Machinery Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2022-01-04
Anticipated expiration: 2031-02-07

Abstract

The application relates to the field of clutches, especially, relate to a clutch assembly, it includes clutch housing and piston seat, clutch housing include the shell body, slide peg graft in interior shell body in the shell body, be used for the locking mechanical system of relative position between fixed shell body and the interior shell body, outer shell body outer wall is equipped with outer ring gear, the piston seat couples in interior shell body inner wall through the spline. The application has the effect of reducing the use cost and the maintenance cost of materials.

Description

Clutch assembly

Technical Field

The present application relates to the field of clutches, and more particularly, to a clutch assembly.

Background

The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During the running of the automobile, the driver can press or release the clutch pedal according to the requirement, so that the engine and the gearbox are temporarily separated and gradually jointed, and the power input by the engine to the gearbox is cut off or transmitted.

At present, the structure of the clutch shell is integral, the vibration of the working environment of the clutch shell is severe, the shell is easy to damage, when a certain part is damaged, the whole clutch shell is required to be replaced, the damaged part cannot be replaced independently, the use cost of materials is increased, and the defects exist.

SUMMERY OF THE UTILITY MODEL

In order to facilitate partly changing the clutch housing, reduce material use cost and cost of maintenance, the application provides a clutch assembly.

The application provides a clutch assembly, adopts following technical scheme:

the clutch assembly comprises a clutch shell and a piston seat, wherein the clutch shell comprises an outer shell, an inner shell in the outer shell and a locking mechanism used for fixing the relative position between the outer shell and the inner shell in a sliding insertion mode, an outer gear ring is arranged on the outer wall of the outer shell, and the piston seat is connected to the inner wall of the inner shell through a spline.

Through adopting above-mentioned technical scheme, divide into shell body and interior casing with the clutch housing to fix interior casing and shell body through locking mechanical system, after clutch housing used for a long time, when any part wearing and tearing are serious or take place to damage in shell body or the interior casing promptly, all can contact the fixed relation between interior casing and the shell body through locking mechanical system, and take out interior casing from the shell body, so that change one of them, reduced the use cost of material and clutch assembly's cost of maintenance.

Preferably, the outer wall of the inner shell is fixedly connected with a plurality of connecting ribs extending along the axial direction, the inner wall of the outer shell is provided with connecting grooves corresponding to the connecting ribs one to one and matched with the connecting ribs, and the connecting ribs are inserted into the connecting grooves in a sliding manner.

Through adopting above-mentioned technical scheme, under the cooperation of spread groove and splice bar, when assembling between internal casing and shell body, through pegging graft the splice bar in the spread groove to inject the circumferential position between internal casing and the shell body, thereby increase the stability after the clutch subassembly assembles.

Preferably, the extending arc lengths of two adjacent connecting ribs around the outer wall of the inner shell are not equal.

Through adopting above-mentioned technical scheme, set up two adjacent splice bars into the unequal shape of arc length that extends around interior casing outer wall, when assembling between interior casing and the shell body, make the splice bar only can peg graft in corresponding spread groove to conveniently make and carry out the circumference location between interior casing and the shell body.

Preferably, the outer wall of the outer shell is provided with a connecting hole which radially penetrates through the outer shell, the outer wall of the inner shell is provided with a positioning hole corresponding to the connecting hole, the locking mechanism comprises a driving ring which is rotatably connected with the outer wall of the outer shell, a positioning block which is slidably connected in the connecting hole, and a fixing piece which is used for limiting the circumferential rotation position between the driving ring and the outer shell, the inner wall of the driving ring is provided with a chute which is used for driving the positioning block to move in the positioning hole, and the positioning block is slidably inserted in the positioning hole.

Through adopting above-mentioned technical scheme, at the connecting hole, the locating hole, under the cooperation between drive ring and the locating piece, when assembling between internal casing and the shell body, peg graft in the shell body and fix a position the back with interior casing, make the locating hole correspond to the position of connecting hole, the drive ring rotates this moment, make the chute butt locating piece of drive ring inner wall, and make the locating piece move towards interior casing direction, finally make the locating piece peg graft in the constant head tank, the circumferential direction position between drive ring and the solid fixed ring is locked through the mounting again this moment, with the state of stable locating piece, thereby the axial relative position between internal casing and the shell body is injectd, under the cooperation of splice bar and spread groove, to injecing the circumferential relative position between internal casing and the shell body, in order to accomplish the assembly between internal casing and the shell body.

Preferably, the locking mechanism further comprises a fixing ring fixedly connected to the outer wall of the outer housing for supporting the driving ring, and an axial limiting member disposed between the driving ring and the fixing ring.

Through adopting above-mentioned technical scheme, through setting up solid fixed ring at the outer wall of the shell body, make the drive ring rotate through axial locating part and connect on solid fixed ring to increase the stability of drive ring, and make the shell body be difficult for receiving wearing and tearing.

Preferably, the axial limiting part comprises a limiting ring coaxially and fixedly connected with the end surface of the driving ring, and a limiting groove which is arranged on the end surface of the fixing ring and extends annularly, and the cross sections of the limiting ring and the limiting groove are both in a dovetail shape.

Through adopting above-mentioned technical scheme, under the cooperation of spacing ring and spacing groove to carry out ascending injecing of axial between solid fixed ring and the drive ring, and can make the drive ring carry out circumferential direction for solid fixed ring.

Preferably, the end surface of the fixing ring away from the driving ring is provided with a plurality of threaded holes which radially penetrate through the driving ring, the threaded holes are communicated with the limiting groove, and the fixing piece comprises a fixing bolt which is in threaded connection with the threaded holes.

Through adopting above-mentioned technical scheme, accomplish the assembly back between interior casing and the shell body, can make fixing bolt support tightly in the spacing ring surface through rotating fixing bolt promptly to inject the circumferential direction position between solid fixed ring and the drive ring, make the state of locating piece more stable.

Preferably, the positioning hole is arranged on the part of the outer wall of the inner shell, which corresponds to the spline teeth of the spline in the radial direction.

Through adopting above-mentioned technical scheme, set up the locating hole in the position that the interior casing corresponds the key tooth to make the interior casing conch wall reduce the condition that takes place to damage because too weak, strengthen the life of interior casing.

Preferably, the outer wall of the driving ring is provided with friction lines.

Through adopting above-mentioned technical scheme, through setting up friction line at the drive ring outer wall to in need rotate the drive ring when carrying out the application of force to the drive ring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clutch shell is divided into an outer shell and an inner shell, and the inner shell and the outer shell are fixed through the locking mechanism, so that the use cost of materials and the maintenance cost of a clutch assembly are reduced;

2. under the matching of the connecting grooves and the connecting ribs, the circumferential position between the inner shell and the outer shell is limited, so that the stability of the clutch assembly after assembly is improved;

3. under the cooperation between connecting hole, locating hole, drive ring and the locating piece to inject the axial relative position between inner casing and the shell body, be convenient for the staff to assemble between inner casing and the shell body.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an overall sectional view of the present embodiment.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partial sectional view in the present embodiment.

Description of reference numerals: 1. a clutch housing; 2. a piston seat; 3. an outer housing; 4. an inner housing; 5. a locking mechanism; 6. an outer ring gear; 7. an internal spline; 8. connecting ribs; 9. connecting grooves; 10. connecting holes; 11. positioning holes; 12. a fixing ring; 13. a drive ring; 14. positioning blocks; 15. an axial stop; 16. a fixing member; 17. a chute; 18. a limiting ring; 19. a limiting groove; 20. a threaded hole; 21. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a clutch assembly. Referring to fig. 1, a clutch assembly includes a clutch housing 1 and a piston seat 2, the clutch housing 1 includes an outer housing 3, an inner housing 4 and a locking mechanism 5 for fixing a relative position between the outer housing 3 and the inner housing 4, wherein an outer wall of the outer housing 3 is provided with an outer ring gear 6 for connecting an external driving member, an inner wall of the inner housing 4 is provided with an internal spline 7, and the piston seat 2 is coupled to the inner wall of the inner housing 4 through the internal spline 7.

Refer to fig. 2, for the circumferential direction position between casing 4 and the shell body 3 in the relative, two splice bars 8 along axial extension of interior 4 outer wall fixedly connected with of casing, and two splice bars 8 are around the arc length inequality that extends of interior 4 outer walls, two splice bars 8 set up respectively in the both sides that interior 4 outer walls are relative, shell body 3 inner wall has been seted up two and splice bar 8 one-to-one and matched with spread groove 9, when assembling interior casing 4 and shell body 3, make splice bar 8 slide and peg graft in spread groove 9.

Referring to fig. 3 and 4, the outer wall of the outer shell 3 is provided with a connecting hole 10 penetrating through the outer shell 3 along the radial direction, the outer wall of the inner shell 4 is provided with a positioning hole 11 corresponding to the connecting hole 10, and the positioning hole 11 is arranged on the outer wall of the inner shell 4 corresponding to the key teeth of the inner spline 7 along the radial direction, so that the situation that the inner shell 4 is damaged due to over weakness is reduced.

Referring to fig. 3 and 4, the locking mechanism 5 includes a fixing ring 12 fixedly connected to the outer wall of the outer housing 3, a driving ring 13 rotatably connected to the fixing ring 12, a positioning block 14 slidably connected to the connecting hole 10, an axial position limiting member 15 disposed between the driving ring 13 and the fixing ring 12, and a fixing member 16 for limiting the circumferential rotation position between the driving ring 13 and the outer housing 3, the outer wall of the driving ring 13 is provided with friction grains, the inner wall of the driving ring 13 is provided with an inclined groove 17 for driving the positioning hole 11 to move in the positioning hole 11, the distance from the inner wall of the inclined groove 17 to the axis of the inner housing 4 is gradually increased, the positioning block 14 is slidably inserted into the positioning hole 11, and one end of the positioning block 14 close to the inner wall of the driving ring 13 is hemispherical and abuts against the inner wall of the inclined groove 17.

Referring to fig. 3 and 4, when assembling the inner casing 4 and the outer casing 3, after the inner casing 4 is inserted into the outer casing 3 and positioned, the positioning hole 11 is positioned corresponding to the position of the connecting hole 10, at this time, the driving ring 13 is rotated, the inclined groove 17 on the inner wall of the driving ring 13 is abutted against the positioning block 14, the positioning block 14 is moved toward the inner casing 4, and finally the positioning block 14 is inserted into the positioning groove, and the axial relative position between the inner casing 4 and the outer casing 3 is defined.

Referring to fig. 3, the axial limiting member 15 includes a limiting ring 18 coaxially and fixedly connected to the end surface of the driving ring 13, and a limiting groove 19 provided on the end surface of the fixing ring 12 and extending annularly, and the cross sections of the limiting ring 18 and the limiting groove 19 are both dovetail-shaped to axially limit the space between the fixing ring 12 and the driving ring 13 and to enable the driving ring 13 to circumferentially rotate relative to the fixing ring 12.

Referring to fig. 3, the end surface of the fixing ring 12 away from the driving ring 13 is provided with a plurality of threaded holes 20 radially penetrating through the driving ring 13, the threaded holes 20 are communicated with the limiting groove 19, the fixing member 16 includes fixing bolts 21 threadedly connected in the threaded holes 20, and after the assembly between the inner casing 4 and the outer casing 3 is completed, the fixing bolts 21 can be rotated to abut against the surface of the fixing ring 12, so as to limit the circumferential rotation position between the fixing ring 12 and the driving ring 13, and to make the state of the positioning block 14 located in the positioning groove more stable.

The implementation principle of the clutch assembly in the embodiment of the application is as follows:

the clutch housing 1 is divided into an outer housing 3 and an inner housing 4, when the clutch housing is used for a long time, namely, any one part of the outer housing 3 or the inner housing 4 is seriously worn or damaged, the limit state between the driving ring 13 and the fixing ring 12 is released by rotating the fixing bolt 21, at the moment, the driving ring 13 is rotated to release the limit effect on the positioning block 14, so that the positioning block 14 can conveniently slide out from the positioning groove, the inner housing 4 is taken out from the outer housing 3, one of the positioning block and the positioning block can be conveniently replaced, and the use cost of materials and the maintenance cost of a clutch assembly are reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A clutch assembly comprising a clutch housing (1) and a piston seat (2), characterized in that: the clutch housing (1) comprises an outer housing (3), an inner housing (4) in the outer housing (3) and a locking mechanism (5) for fixing the relative position between the outer housing (3) and the inner housing (4), wherein an outer gear ring (6) is arranged on the outer wall of the outer housing (3), and the piston seat (2) is connected to the inner wall of the inner housing (4) through a spline.

2. A clutch assembly as claimed in claim 1, wherein: the utility model discloses a joint structure, including interior casing (4), shell body (3), outer wall fixedly connected with a plurality of splice bars (8) that extend along the axial, shell body (4) inner wall seted up with splice bar (8) one-to-one and matched with spread groove (9), splice bar (8) slip peg graft in spread groove (9).

3. A clutch assembly as claimed in claim 2, wherein: the extending arc lengths of the two adjacent connecting ribs (8) around the outer wall of the inner shell (4) are not equal.

4. A clutch assembly as claimed in claim 3, wherein: the outer shell (3) outer wall is seted up and is radially run through connecting hole (10) of outer shell (3), locating hole (11) have been seted up to inner shell (4) outer wall corresponding connecting hole (10), locking mechanical system (5) including rotate connect in the drive ring (13), the sliding connection of outer shell (3) outer wall in locating piece (14) in connecting hole (10), be used for prescribing a limit to drive between drive ring (13) and the outer shell (3) fixing piece (16) of circumferential direction position, drive ring (13) inner wall is seted up and is used for driving chute (17) that locating piece (14) removed in locating hole (11), locating piece (14) slide peg graft in locating hole (11).

5. A clutch assembly according to claim 4, wherein: the locking mechanism (5) further comprises a fixing ring (12) fixedly connected to the outer wall of the outer shell (3) and used for supporting the driving ring (13), and an axial limiting piece (15) arranged between the driving ring (13) and the fixing ring (12).

6. A clutch assembly according to claim 5, wherein: the axial limiting part (15) comprises a limiting ring (18) which is coaxially and fixedly connected with the end surface of the driving ring (13) and a limiting groove (19) which is arranged on the end surface of the fixing ring (12) and extends annularly, and the cross sections of the limiting ring (18) and the limiting groove (19) are both in a dovetail shape.

7. A clutch assembly according to claim 6, wherein: the end face, far away from the driving ring (13), of the fixing ring (12) is provided with a plurality of threaded holes (20) which penetrate through the driving ring (13) in the radial direction, the threaded holes (20) are communicated with the limiting grooves (19), and the fixing piece (16) comprises fixing bolts (21) which are connected in the threaded holes (20) in a threaded mode.

8. A clutch assembly according to claim 4, wherein: the positioning hole (11) is arranged on the outer wall of the inner shell (4) and corresponds to the part of the spline teeth of the spline in the radial direction.

9. A clutch assembly according to claim 4, wherein: the outer wall of the driving ring (13) is provided with friction grains.