JPH02200531A - Shift device - Google Patents

Abstract

PURPOSE:To fit a fork or the like on the rear cover side and simply perform the positioning with a sleeve by fitting the fork on the cover side closing the opening section of a carrier supporting a power transmitting device so that the position of the sleeve can be adjusted. CONSTITUTION:The positioning between a fork 85 arranged on the cover 83 side and a sleeve 81 is performed by moving the sleeve 81 in the axial direction on a rod 61 via screws 89 and 87 to the correct position against the fork 81. Since the sleeve 81 can be moved and adjusted against the fork 85, the fork 85 or the like can be fixed on the cover 83 side. Even if there are some machining errors or assembling errors, the fork 85 and the sleeve 81 can be positioned at correct positions, thus defective operations or abnormal abrasion can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a shift device used in, for example, a power transmission device of a vehicle.

(Prior Art) Conventionally, a fork of a shift device and a sleeve that engages the fork are each fixed to separate members. For example, in a differential device as a power transmission device, the shift fitting fixes the fork and the actuator of the fork to the carrier side, while the sleeve that engages with the fork is attached to the shaft or gear in the carrier. etc. (Utility Model Application Publication No. 58-140825).

By the way, in such a case, if you install the fork and actuator on the rear cover side of the carrier, it will interfere with the differential device, etc. This allows for common use with the rear, which is advantageous in terms of space.

(Problems to be Solved by the Invention) However, when the fork and actuator are attached to the rear cover side, there is a problem that alignment with the sleeve attached to the differential device side becomes difficult.

That is, the fork and the sleeve may become misaligned due to accumulated processing errors and assembly errors, and once the fork and sleeve are misaligned, it becomes difficult to engage them.

Therefore, this invention allows fork etc. to be attached to the rear cover side and also allows for easy alignment with the sleeve]・positioning of the device! The purpose is to provide an I structure.

[Structure 1 of the Invention (Means for Solving the VR Problem) In order to achieve the above object, the present invention provides a shift device that switches the state of a power transmission device by operating a lever that engages a sleeve. 1. (Function) The above configuration is characterized in that the flap 4 is attached to the cover side that opens the opening of the rear main 11 that supports the power transmission device, and the sleeve is configured to be adjustable in position. According to , by adjusting the position of the sleeve on the Kirelia side with respect to the fork supported on the cover side,
The fork and sleeve can be aligned.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a sectional view of a positioning mechanism of a shift device according to an embodiment of the present invention used in a power transmission device on the rear wheel side.
Therefore, the lower half is in the first connected state of the device, and the lower half is in the second connected state.
Indicates the connection status of. I^o, the following J1 light, J3 C left and right directions are shown in Figure 1 (J left and right directions and η).

Power transmission 'r'l = The housing 3 of the device 1 has 4t from the housing body 5 and the end cover 7, which are connected to the bottle 8.
It is temporarily fixed. Housing 3 is power transmission device ff
Differential l that stores 1: Bearing 11 in iF rear 9
．． It is rotatably supported via 11. The housing 3 is provided with a flange portion 1 3, and this flange portion 1
A ring gear 17 that meshes with a drive pinion 15 on the propex l horn 1- (not shown) side is bolted to 3 through a bolt hole 19. In this way, the housing 3 is rotationally driven by the driving force from the engine (not shown).

Inside the housing 3, a shaft support 21 is formed in the housing body 5, and a hub member 23 is attached to the shaft support 21.
is rotatably supported. Eleven annular working chambers 25 are formed between the hub member 23 and the housing body 5. The working chamber 25 is filled with a viscous fluid such as silicone oil.

In the FIJ chamber 25, a spline 27 is provided on the inner periphery of the housing body 5, and a spline 29 is provided on the outer periphery of the hub member 23. A plurality of outer plates 31 are engaged with the spline 27 in the rotational direction,
A plurality of inner plates 33 are engaged with the spline 29 in the rotational direction.

These plates 31, 33 are arranged alternately, and a spacing member 35 is arranged between each outer plate 33 to maintain an appropriate distance between them.

Further, a ring 37 is arranged at the left end of the working chamber 25,
Spline 27 with spline 39 provided on its outer periphery
is engaged in. The viscous coupling 41 is constructed in this way.

Inside the housing 3, a viscous coupling 4
On the left side of 1 is a clutch ring 43 that corresponds to the differential case.
is arranged and rotatably supported by the housing 3 via a needle bearing 45. clutch ring 43
Four iMs 47 in the axial direction are provided on the inner periphery of the J-tally, and each end of a pinion left 49 arranged in a cross shape is engaged with each groove 47, respectively. Therefore, the clutch ring 43 is rotatable integrally with the bald nion shaft 49. A pinion gear A751 is rotatably supported on the pinion gear 11 foot 49, and side gears 53 are mounted on the left and right sides of the pinion gear 51, respectively. .55 is arranged coaxially and meshes with the vinyl A-ring 1) 51. A spherical washer r57 is interposed between the clutch ring 43 and the pinion gear 51. In this way, the differential device (A7 differential) 59 is configured.

The left side gear 53 is spline connected to a left connecting shaft that is connected to the left rear axle through a joint, and the right side gear 55 is spline connected to a right connecting shaft that is connected to the right rear axle through a joint. (front and rear axles, connecting shafts and joints are not shown).

Inside the housing 3, a hollow rod 61 is disposed in the housing body 5 so as to be movable in the axial direction coaxially with the side A' wheels 53 and 55 and rotatable relative to the housing 3. An annular connecting member 63 is provided on the left end side of this rod 61. A spline 65 is formed on the outer periphery of the connecting member 63, and is engaged with a spline 67 formed on the inner periphery of the hub member 23 so as to be movable in the axial direction. In addition, the left end of the connecting portion 4463 has a clutch pawl 69 on the end surface and a spline 71 on the inner periphery.
is provided.

A latch pawl 73 is provided at the right end of the clutch ring 43 and is engageable with the clutch pawl 69 of the connecting portion 063. Furthermore, a spline 77 that can be engaged with the spline 71 of the connecting member 63 is provided on the outer periphery of the right end portion of the boss 75 of the right side guide 1755.

The connecting member 63 is moved via the rod 61 between a connecting position and a disconnecting position between the viscous coupling 41 and the clutching 43, and a connecting position with the right side gear 55. This movement of the connecting member 63 is performed by operating the shift device 79. Then, if the connecting member 63 is moved to the left, as shown in the upper half of FIG.
Clutch pawl 69 and clutch ring 43 of connecting portion 4A63
Clutch pawl 73 is engaged, and hub member 23 and clutch ring 43 are connected via connecting member 63. Furthermore, when the connecting member is moved to the right, the inner peripheral spline 71 of the connecting member 63 and the spline 77 on the outer periphery of the boss portion of the right side gear 55 engage with each other, as shown in the lower half of FIG. , the hub member 23 and the right side gear 55 are connected via the connecting member 63.

The shift device 79 includes a sleeve 81 disposed on the differential carrier 9 side and a fork 85 disposed on the cover 83 side.
It is composed of etc.

The sleeve 81 in this embodiment has a fork 85 on the outer periphery.
It has a concave groove 82 that engages with the rod 61 on the differential carrier 9 side, and is screwed into the rod 61 on the side of the differential carrier 9 so as to be movable in the axial direction. That is, a screw 87 is provided on the outer periphery of the right end of the rod 61, and a screw 89 that can be screwed into the thread 87 of the rod 61 is provided on the inner periphery of the sleeve 81 (stage 1). Therefore, the sleeve 81
is movable in the axial direction of the rod 61 via screws 89, 87, and the position of the sleeve 81 can be adjusted by moving on the rod 61.

A lock nut 91 and a bending washer 93 are installed on the rod 61 for fixing the sleeve 81 in a predetermined position. A folding washer 93 is arranged between the lock nut 91 and the sleeve 81.

As shown in FIG. 2, the bending washer 93 has a plurality of bent parts 95a and 95b on its outer circumference, and a rod 61 on its inner circumference.
A plurality of engaging pieces 99 are provided which are movably engaged with a plurality of (four in this embodiment) grooves 97 provided in the outer circumferential axial direction.

On the other hand, the fork 85 that is engaged with the sleeve 81 and the fork 85 are moved. In this embodiment, the actuator 101 is attached to the receptacle force bar 83.

Fork 85 arranged on the cover 83 side and sleeve 8
1 is achieved by moving the sleeve 81 axially over the rod 61 via the screws 89, 87 and bringing it into position relative to the flange 85. In this state, the lock nut 91 is tightened toward the sleeve 81 and the bent washer 93 is held between the lock nut 91 and the sleeve 81.
Connect the bent portion 95 to the outer periphery of the lock nut 91 and the sleeve 81.
The sleeve 81 is fixed by bending it around the outer periphery of the sleeve 81.

In this way, the sleeve 81 is moved relative to the fork 85.
Since lJ can be adjusted, the fork 85 etc. can be fixed to the cover 831111.

Therefore, in the case of a differential device that does not include the actuator 101 or the like, the differential carrier 9 can be shared by simply replacing the cover 83.

Further, even if there are some processing errors or assembly errors, the fork 85 and the sleeve 81 can be properly aligned, so malfunctions, abnormal wear, etc. can be prevented.

[Effects of the Invention] As is clear from the above description, according to the configuration of the present invention, since the position of the sleeve is adjustable, the fork or the like can be fixed to the cover side that closes the opening of the carrier. Therefore, carriers can be shared.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of a power transmission device equipped with a positioning mechanism for a shift device according to an embodiment of the present invention, and FIG.
It is a sectional view taken along the line II-I in the figure. 9... Differential carrier 79... Shift device 81.
...Sleeve 83...Cover 85...Fork agent Patent attorney Hide Miyoshi Japanese foil 2 illustrations

Claims (1)

[Claims] In a shift device that switches the state of a power transmission device by operating a fork that engages with a sleeve, the fork is attached to a cover side that closes an opening of a carrier that supports the power transmission device, and the position of the sleeve is adjustable. A shift device characterized by comprising: