CN211039550U

CN211039550U - Front and rear drive transfer case assembly for shifting of shifting fork shaft

Info

Publication number: CN211039550U
Application number: CN201922094937.0U
Authority: CN
Inventors: 林春为; 邓清华; 林侨木
Original assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Current assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-17
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a preceding, back drive transfer case assembly that declutch shift shaft shifted, which comprises a housin, the right side fixedly connected with right side of casing sets up the side cap board of input rear end housing, and the inboard of side cap board and casing is connected with input gear shaft 21 teeth through the bearing, the upper right end of casing still is provided with middle rear end housing. The utility model discloses set up 30 teeth of intermediate gear, 18 teeth of intermediate gear axle, high-speed gear 21 teeth, low-speed gear 28 teeth, input gear axle 21 teeth and sliding gear 25 teeth, can make the transfer case assembly be triaxial structure, and high, low-speed gear shifting promote the slip tooth cover through the declutch shift shaft of cylinder and realize the gear shift, the declutch shift shaft that the preceding drive separation perhaps meshed through the cylinder promotes the slip tooth cover and realizes the gear shift, when using at the work gear, does: low + front drive-four wheel drive, when used in driving gear, is: high-range front-disengaged drive is compared to rear drive.

Description

Front and rear drive transfer case assembly for shifting of shifting fork shaft

Technical Field

The utility model relates to an auto-parts technical field specifically is a preceding, back drive transfer case assembly that declutch shift shaft shifted.

Background

The automobile, i.e. the automobile which is driven by power and can run by motor without being erected by rail or electric power, is generally called as an automobile, provides great convenience for people in traveling, and is developed greatly along with the increasing requirements of people on the automobile, and consists of a plurality of accessories, the transfer case assembly is one of the transfer case assemblies, the transfer case assembly has the function of distributing power in the whole vehicle and inputs power through the transfer case main shaft, then the power is distributed to the front axle and the rear axle by a gear transmission system in the transfer case, but the existing transfer case assembly can not reasonably distribute the power to the front axle and the rear axle and does not have the four-wheel drive function, therefore, the using effect of the transfer case is reduced, and therefore the front and rear driving transfer case assembly with the shifting fork shaft for gear shifting is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preceding, back drive transfer case assembly that declutch shift shaft shifted to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a preceding, back drive transfer case assembly that declutch shift shaft shifted, includes the casing, the right side fixedly connected with right side of casing sets up the side shroud of input rear end housing, and the inboard of side shroud and casing is connected with input gear shaft 21 teeth through the bearing, the upper right end of casing still is provided with middle rear end housing, and the internal surface of middle rear end housing and casing is connected with middle gear shaft 18 teeth through the bearing, the middle-end of casing internal surface is connected with the surface through the bearing and sets up the back drive integral key shaft of high-speed gear 21 teeth, sliding gear 25 teeth, low-speed gear 28 teeth and odometer driving gear, and the left lower extreme of casing inner chamber is connected with the front drive declutch shift shaft that the surface set up the front drive fork through the bearing, and simultaneously, the lower extreme of casing inner chamber is connected with the high-low gear declutch shift.

Preferably, the left side of the input gear shaft 21 is connected with an input end cover through an input gasket, the left side of the input gear shaft 21 is further connected with an input flange through an O-ring, a disc-shaped gasket and an outer hexagon nut, and a skeleton type oil seal is further arranged between the input end cover and the input flange.

Preferably, the left side of the intermediate gear shaft 18 is connected with the intermediate gear 30 teeth through a semicircular key 13, and an intermediate front end cover is arranged on the left side of the shell and at a position corresponding to the intermediate gear shaft 18 teeth.

Preferably, the left side of the shell and the corresponding position of the rear drive spline shaft 10 are connected with a front drive flange through a front drive sliding sleeve gasket, an O-shaped ring, a dish-shaped gasket, an outer hexagon nut and a framework oil seal, the right side of the front drive flange is also provided with a front drive seat connecting plate, a front drive seat end cover is connected between the rear drive spline shaft and the shell through a bearing, the rear drive spline shaft is connected with 21 teeth of the high-speed gear through a front drive flange gasket, a high-speed gear gasket, a shaft snap ring and a bearing, the rear drive spline shaft is connected with 28 teeth of the low-speed gear through a needle bearing and a low-speed gear gasket, the rear drive spline shaft is connected with a driving gear of an odometer through an odometer oil baffle, the right side of the shell and the corresponding position of the rear drive spline shaft are connected with an odometer seat through a bearing, the right side of the shell, The disk-shaped gasket, the outer hexagon nut and the framework type oil seal are connected with a rear driving flange.

Preferably, an O-shaped ring is further arranged between the front driving shifting fork shaft and the shell, and a front driving cylinder end cover is arranged on the left side of the shell and at a position corresponding to the front driving shifting fork shaft.

Preferably, the right side of the shell and the corresponding position of the high-low gear shifting fork shaft are connected with a high-low gear shifting fork shaft positioning seat through a steel ball, a spring and an outer hexagon bolt, the left side of the shell and the corresponding position of the high-low gear shifting fork shaft are connected with a high-low gear cylinder seat through an O-shaped ring, a high-low gear piston sliding sleeve, a high-low gear piston spacer bush and an outer hexagon nut, and the left side of the high-low gear cylinder seat is provided with a cylinder seat end cover.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses set up 30 teeth of intermediate gear, 18 teeth of intermediate gear axle, high-speed gear 21 teeth, low-speed gear 28 teeth, input gear axle 21 teeth and sliding gear 25 teeth, can make the transfer case assembly be triaxial structure, and high, low-speed gear shifting promote the slip tooth cover through the declutch shift shaft of cylinder and realize the gear shift, the declutch shift shaft that the preceding drive separation perhaps meshed through the cylinder promotes the slip tooth cover and realizes the gear shift, when using at the work gear, does: low + front drive-four wheel drive, when used in driving gear, is: high-range front-disengaged drive is compared to rear drive.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a shell 1, a side cover plate 2, an input rear end cover 3, an intermediate gear 30, an intermediate gear 18, an intermediate rear end cover 6, a high-speed gear 21, a low-speed gear 28, an odometer 9 driving gear, a rear drive spline shaft 10, a rear drive flange 11, an odometer base 12, a high-low gear fork 13, a high-low gear fork 14, a high-low gear fork 15, a high-low gear fork positioning base 16, a high-low gear cylinder base 17, a cylinder base end cover 18, a front drive fork shaft 19, a front drive fork 20, a front drive flange 21, a front drive base connecting plate 22, an intermediate front end cover 23, an input flange 24, an input end cover 25, an input gear shaft 26, a gear 21 and a sliding gear 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 application can be understood in a specific case by those of ordinary skill in the art.

The shell 1, the side cover plate 2, the input rear end cover 3, the intermediate gear 30, the intermediate gear shaft 18, the intermediate rear end cover 6, the high-speed gear 21, the low-speed gear 28, the odometer driving gear 9, the rear driving spline shaft 10, the rear driving flange 11, the odometer seat 12, the high-low gear fork 13, the high-low gear fork shaft 14, the high-low gear fork shaft positioning seat 15, the high-low gear cylinder seat 16, the cylinder seat end cover 17, the front driving cylinder end cover 18, the front driving fork shaft 19, the front driving fork 20, the front driving flange 21, the front driving seat connecting plate 22, the intermediate front end cover 23, the input flange 24, the input end cover 25, the input gear shaft 21, the intermediate gear 26 and the sliding gear 25 of the application are all universal standard parts or parts known by a person skilled in the art, the structure and principle are known to the skilled person through technical manuals or through routine experimentation.

Referring to fig. 1, a front and rear driving transfer case assembly for shifting a fork shaft comprises a housing 1, a side cover plate 2 with an input rear end cover 3 arranged on the right side is fixedly connected to the right side of the housing 1, the side cover plate 2 and the inner side of the housing 1 are connected with

input gear shafts

21 and 26 through bearings, the left sides of the

input gear shafts

21 and 26 are connected with an input end cover 25 through input gaskets, the left sides of the

input gear shafts

21 and 26 are further connected with input flanges 24 through O-rings, disc gaskets and outer hexagon nuts, a skeleton type oil seal is arranged between the input end cover 25 and the input flanges 24, the upper right end of the housing 1 is further provided with an intermediate rear end cover 6, the intermediate rear end cover 6 and the inner surface of the housing 1 are connected with

intermediate gear shafts

18 and 5 through bearings, the left sides of the

intermediate gear shafts

18 and 5 are connected with intermediate gears 30 and 4 through a half-circle key 13, the left side of the housing 1 and a corresponding position of, the middle end of the inner surface of the shell 1 is connected with a rear drive spline shaft 10 through a bearing, the surface of the rear drive spline shaft is provided with a high-speed gear 21 tooth 7, a sliding gear 25 tooth 27, a low-speed gear 28 tooth 8 and an odometer driving gear 9, the left side of the shell 1 and the corresponding position of the rear drive spline shaft 10 are connected with a front drive flange 21 through a front drive sliding sleeve gasket, an O-shaped ring, a dish-shaped gasket, an outer hexagon nut and a skeleton type oil seal, the right side of the front drive flange 21 is also provided with a front drive seat connecting plate 22, a front drive seat end cover is connected between the rear drive spline shaft 10 and the shell 1 through a bearing, the rear drive spline shaft 10 and the high-speed gear 21 tooth 7 are connected through the front drive flange gasket, the high-speed gear gasket, a shaft snap ring and a bearing, the rear drive spline shaft 10 and the low-speed gear 28 tooth 8 are connected through a needle bearing and a low-speed gear gasket, the right side of the shell 1 and the corresponding position of the rear drive spline shaft 10 are connected with an odometer base 12 through a bearing, the right side of the shell 1 and the corresponding position of the rear drive spline shaft 10 are also connected with a rear drive flange 11 through an O-shaped ring, a disc-shaped gasket, an outer hexagon nut and a skeleton type oil seal, the left lower end of the inner cavity of the shell 1 is connected with a front drive declutch shift shaft 19 of which the surface is provided with a front drive fork 20 through a bearing, an O-shaped ring is also arranged between the front drive declutch shift shaft 19 and the shell 1, the left side of the shell 1 and the corresponding position of the front drive declutch shift shaft 19 are provided with a front drive cylinder end cover 18, meanwhile, the lower end of the inner cavity of the shell 1 is connected with a high-low shift shaft 14 of which the surface is provided with a high-low shift fork 13 through a bearing, the right side of the shell 1 and the, casing 1's left side and be located the corresponding position of high-low gear declutch shift 14 and pass through O type circle, high-low gear piston sliding sleeve, high-low gear piston spacer and outer hexagon nut are connected with high-low gear cylinder frame 16, and the left side of high-low gear cylinder frame 16 is provided with cylinder frame end cover 17, can make the transfer case assembly be triaxial structure, and high, low-speed shifting promotes the slip tooth cover through the declutch shift of cylinder and realizes the gear shift, the declutch shift that the front drive separation perhaps meshing passes through the cylinder promotes the slip tooth cover and realizes the gear shift, when using at work gear, do: low + front drive-four wheel drive, when used in driving gear, is: high-range front-disengaged drive is compared to rear drive.

During the use, set up 30 teeth 4 of intermediate gear, 18 teeth 5 of intermediate gear axle, high-speed gear 21 teeth 7, 28 teeth 8 of low-speed gear, input gear axle 21 teeth 26 and sliding gear 25 teeth 27, can make the transfer case assembly be the triaxial structure, and high, low-speed gear shift promotes the slip facing through the declutch shift shaft of cylinder and realizes the gear shift, the front drive separation or meshing promotes the slip facing through the declutch shift shaft of cylinder and realizes the gear shift, when using at operating range, do: low + front drive-four wheel drive, when used in driving gear, is: high-range front-disengaged drive is compared to rear drive.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a preceding, back drive transfer case assembly that declutch shift shaft shifted, includes casing (1), its characterized in that: the right side fixedly connected with right side of casing (1) sets up side shroud (2) of input rear end housing (3), and side shroud (2) and the inboard of casing (1) are connected with input gear axle 21 tooth (26) through the bearing, the upper right end of casing (1) still is provided with middle rear end cap (6), and the internal surface of middle rear end cap (6) and casing (1) is connected with intermediate gear axle 18 tooth (5) through the bearing, the middle-end of casing (1) internal surface is connected with through the bearing and sets up the front driving declutch shift shaft (19) that high-speed gear 21 tooth (7), sliding gear 25 tooth (27), low-speed gear 28 tooth (8) and odometer driving gear (9) in the surface, and the left lower extreme of casing (1) inner chamber is connected with the front driving declutch shift shaft (19) that the surface set up front driving declutch shift fork (20) through the bearing, and simultaneously, the lower extreme of casing (1) inner chamber is connected with the high-low declutch shift shaft (13 14).

2. The front and rear drive transfer case assembly for shift fork shaft gear shifting of claim 1, wherein: the left side of the input gear shaft 21 teeth (26) is connected with an input end cover (25) through an input gasket, the left side of the input gear shaft 21 teeth (26) is further connected with an input flange (24) through an O-shaped ring, a disc-shaped gasket and an outer hexagon nut, and a skeleton type oil seal is further arranged between the input end cover (25) and the input flange (24).

3. The front and rear drive transfer case assembly for shift fork shaft gear shifting of claim 1, wherein: the left side of the intermediate gear shaft 18 teeth (5) is connected with the intermediate gear 30 teeth (4) through a semicircular key 13, and the left side of the shell (1) and the corresponding position of the intermediate gear shaft 18 teeth (5) are provided with an intermediate front end cover (23).

4. The front and rear drive transfer case assembly for shift fork shaft gear shifting of claim 1, wherein: the left side of the shell (1) and the corresponding position of the rear driving spline shaft (10) are connected with a front driving flange (21) through a front driving sliding sleeve gasket, an O-shaped ring, a dish-shaped gasket, an outer hexagon nut and a framework oil seal, the right side of the front driving flange (21) is also provided with a front driving seat connecting plate (22), the rear driving spline shaft (10) and the shell (1) are connected with a front driving seat end cover through a bearing, the rear driving spline shaft (10) and the high-speed gear 21 tooth (7) are connected through a front driving flange gasket, a high-speed gear gasket and a shaft snap ring and a bearing, the rear driving spline shaft (10) and the low-speed gear 28 tooth (8) are connected through a needle bearing and a low-speed gear gasket, the rear driving spline shaft (10) and an odometer driving gear (9) are connected through an odometer oil baffle, the right side of the shell (1) and the corresponding position of the rear driving spline shaft (10) are connected with an odo, the right side of the shell (1) and the corresponding position of the rear driving spline shaft (10) are also connected with a rear driving flange (11) through an O-shaped ring, a disc-shaped gasket, an outer hexagon nut and a framework type oil seal.

5. The front and rear drive transfer case assembly for shift fork shaft gear shifting of claim 1, wherein: an O-shaped ring is further arranged between the front driving shifting fork shaft (19) and the shell (1), and a front driving cylinder end cover (18) is arranged on the left side of the shell (1) and located at the corresponding position of the front driving shifting fork shaft (19).

6. The front and rear drive transfer case assembly for shift fork shaft gear shifting of claim 1, wherein: the right side of the shell (1) is connected with a high-low gear shifting fork shaft positioning seat (15) at a corresponding position of the high-low gear shifting fork shaft (14) through a steel ball, a spring and an outer hexagon bolt, the left side of the shell (1) is connected with a high-low gear cylinder seat (16) at a corresponding position of the high-low gear shifting fork shaft (14) through an O-shaped ring, a high-low gear piston sliding sleeve, a high-low gear piston spacer bush and an outer hexagon nut, and a cylinder seat end cover (17) is arranged on the left side of the high-low gear cylinder seat (16).