CN218845003U

CN218845003U - Transfer case assembly convenient to manual regulation

Info

Publication number: CN218845003U
Application number: CN202223049162.3U
Authority: CN
Inventors: 林春为; 刘平平
Original assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Current assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-11
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a transfer case assembly convenient to manual regulation belongs to transfer case technical field, which comprises a housin, both ends are provided with output and input respectively around the casing, the rotatable jackshaft that is provided with in casing middle part, jackshaft connection output and input, the casing front end is provided with the shift fork of shifting, the shift fork of shifting is connected with the declutch shift shaft, declutch shift shaft one end stretches out and is connected with the control rod from the casing side, the utility model discloses a setting of control rod and declutch shift shaft can convenient control shift fork of shifting remove to control gear and front drive gear or back drive gear meshing reaches the regulation conversion between forerunner and the back drive, fixes the declutch shift shaft through the declutch shift seat simultaneously and can prevent that the declutch shift shaft from rocking and leading to the gear deviation, and then has improved the stability of transfer case operation.

Description

Transfer case assembly convenient to manual regulation

Technical Field

The utility model discloses a transfer case assembly convenient to manual regulation belongs to transfer case technical field.

Background

The transfer case is a device for distributing power of the engine, and can output the power to the rear axle or to both the front and rear axles. From this perspective, it can be seen that the transfer case is actually a fitting on a four-wheel drive vehicle. With the development of the four-wheel drive technology, the transfer case is also changed all the time, and the transfer case with different styles is gradually formed, and the basic principles and the functions of the transfer case are different from those of the four-wheel drive vehicle matched with different requirements.

At present, the transfer case on the market has low transmission efficiency, large power consumption and unreasonable structural design, is inconvenient for manually adjusting the conversion between front and rear drives, can not well adapt to various conditions, is not beneficial to ensuring the use safety, and therefore needs to be improved.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell problem and providing a transfer case assembly convenient to manual regulation, have the transmission and stabilize the effect that can be convenient adjust the conversion between forerunner and the rear-guard going on.

The utility model discloses a following technical scheme realizes above-mentioned purpose, which comprises a housin, both ends are provided with output and input respectively around the casing, the rotatable jackshaft that is provided with in casing middle part, jackshaft connection output and input, the input is provided with the input integral key shaft, be connected with input gear on the input integral key shaft, the output is provided with front drive integral key shaft and back drive integral key shaft, front drive integral key shaft and back drive integral key shaft set up both ends about the casing respectively, be provided with the gear of shifting between front drive integral key shaft and the back drive integral key shaft, front drive integral key shaft and back drive integral key shaft are provided with respectively and are used for the front drive gear and the back drive gear that are connected with the gear of shifting, be provided with duplicate gear on the jackshaft, duplicate gear both ends are connected with input gear and the gear of shifting respectively, the jackshaft is through duplicate gear connection input and output, the casing front end is provided with the shift fork that is connected with the gear of shifting, the shift fork is connected with the declutch shift shaft, declutch shift shaft one end stretches out and is connected with the control rod from the casing side.

By adopting the technical scheme, power input drives the input spline shaft to rotate, the input spline shaft rotates to drive the input gear to rotate, the duplicate gear on the intermediate shaft is respectively meshed with the input gear and the gear to shift, thereby power is transmitted to the gear to shift from the input gear to enable the gear to rotate, the gear to shift is meshed with the front drive gear or the rear drive gear by controlling the gear to shift, power can be transmitted to the front drive spline shaft or the rear drive spline shaft, meanwhile, the shifting fork shaft is driven to move by a poking control rod, the gear to shift can be controlled to move by the shifting fork, and the effect of adjusting and converting between the front drive gear and the rear drive gear can be achieved by meshing the gear to shift with the front drive gear or the rear drive gear.

Preferably, the shell is provided with a shifting fork seat, one end of the shifting fork shaft extending out of the shell penetrates through the shifting fork seat to be connected with the operating rod, and one end of the shifting fork seat extends to the side face of the operating rod and is connected with the operating rod through a shifting rod shaft.

Through adopting above-mentioned technical scheme, the shift fork seat can be fixed the control rod, prevents that the control rod from rocking when not using and leading to the gear mistake, and the shift fork seat wraps up the shift fork axle simultaneously and prevents that dust debris from getting into the inside use that influences the transfer case of casing.

Preferably, a stop gasket is arranged on the side face of the shell and connected with the shell through a bolt, one end of the intermediate shaft extends to the side face of the shell and is provided with a notch, and one end of the stop gasket extends into the notch of the intermediate shaft.

Through adopting above-mentioned technical scheme, through the setting of locking gasket, the locking gasket can restrict the axial degree of freedom of jackshaft, prevents that the jackshaft from rocking the stability that influences the transfer case operation when rotating.

Preferably, the front driving spline shaft and the rear driving spline shaft extend to two sides of the shell respectively, the tail ends of the front driving spline shaft and the rear driving spline shaft are provided with a front driving flange and a rear driving flange respectively, a front driving end cover wrapping the front driving spline shaft is arranged between the front driving flange and the shell, and a rear driving end cover wrapping the rear driving spline shaft is arranged between the rear driving flange and the shell.

Through adopting above-mentioned technical scheme, preceding drive flange and back drive flange are connected with front axle and rear axle respectively to go out power take off, have better stability through the flange structure simultaneously, preceding drive end cover and back drive end cover can prevent that the dust from getting into in the casing simultaneously.

Preferably, the front drive flange and the rear drive flange are both provided with dust covers, and framework oil seals are arranged between the front drive flange and the front drive end cover and between the rear drive flange and the rear drive end cover.

Through adopting above-mentioned technical scheme, the effect of skeleton formula oil blanket is just generally with the lubricated part of needs among the drive disk assembly and external environment isolation, is unlikely to let the lubricating oil seepage to effectual improvement casing leakproofness makes the operation of transfer case more stable.

Preferably, the rear drive end cover is provided with a rear drive odometer base.

By adopting the technical scheme, the installation of the odometer is more convenient and faster through the arrangement of the rear-drive odometer seat.

Preferably, the input spline shaft is provided with a gear spacer connected with the input gear.

Through adopting above-mentioned technical scheme, the gear spacer fixes a position input gear and prevents that input gear from rocking, has improved input gear's stability, reduces input gear's wear rate simultaneously.

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

firstly, the operating rod can conveniently control the shifting fork to move through the shifting fork shaft, so that the shifting gear is meshed with the front driving gear or the rear driving gear, the adjustment and the conversion between the front driving gear and the rear driving gear are achieved, meanwhile, the shifting fork shaft is fixed through the shifting fork seat, the shifting fork shaft can be prevented from shaking to cause gear deviation, and the running stability of the transfer case is further improved;

secondly, the axial freedom degree of the intermediate shaft is limited by the stop gasket, so that the intermediate shaft is effectively prevented from shaking after being rotated for a long time, and the meshing between the duplicate gear and the input gear and the shifting gear is unstable, thereby influencing the operation of the transfer case;

thirdly, the front driving end cover, the rear driving end cover, the dust cover and the framework type oil seal effectively improve the airtightness of the shell, prevent dust and sundries from entering the shell and improve the operation stability of the transfer case;

fourthly, the gear spacer sleeve can be used for positioning the input gear, so that the input gear is prevented from generating position deviation after being rotated for a long time, and further the transmission effect of the input gear is influenced, therefore, the transmission of the input gear is more stable, and the wear rate of the input gear is effectively reduced.

Drawings

FIG. 1 is a schematic illustration of a transfer case assembly for facilitating manual adjustment;

FIG. 2 is a cross-sectional view of a transfer case assembly that facilitates manual adjustment.

Reference numerals are as follows: 1. a housing; 2. an intermediate shaft; 3. inputting a spline shaft; 4. an input gear; 5. a front drive spline shaft; 6. a rear drive spline shaft; 7. a shift gear; 8. a duplicate gear; 9. a gear shifting fork; 10. a shift fork shaft; 11. a fork seat; 12. a joystick; 13. a stopper spacer; 14. a front drive flange; 15. a rear drive flange; 16. a front drive end cap; 17. a rear drive end cap; 18. a dust cover; 19. framework type oil seal; 20. a rear-drive odometer base; 21. a gear spacer sleeve.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. 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.

A transfer case assembly convenient for manual adjustment is disclosed, as shown in figures 1-2, and comprises a shell 1, wherein the front end and the rear end of the shell 1 are respectively provided with an output end and an input end, the middle part of the shell 1 is rotatably provided with an intermediate shaft 2, the intermediate shaft 2 is connected with the output end and the input end, the input end is provided with an input spline shaft 3, the input spline shaft 3 is connected with an input gear 4, the output end is provided with a front driving spline shaft 5 and a rear driving spline shaft 6, the front driving spline shaft 5 and the rear driving spline shaft 6 are respectively arranged at the left end and the right end of the shell 1, a shifting gear 7 is arranged between the front driving spline shaft 5 and the rear driving spline shaft 6, the front driving spline 5 and the rear driving spline shaft 6 are respectively provided with a front driving gear and a rear driving gear which are connected with the shifting gear 7, the intermediate shaft 2 is provided with a dual gear 8, and the two ends of the dual gear 8 are respectively connected with the input gear 4 and the shifting gear 7, an intermediate shaft 2 is connected with an input end and an output end through a duplicate gear 8, power input drives an input spline shaft 3 to rotate, the input spline shaft 3 rotates to drive an input gear 4 to rotate, the duplicate gear 8 on the intermediate shaft 2 is respectively meshed with the input gear 4 and a shifting gear 7, so that power is transmitted from the input gear 4 to the shifting gear 7 to rotate the shifting gear 7, power can be transmitted to a front driving spline shaft 5 or a rear driving spline shaft 6 by controlling the shifting gear 7 to be meshed with a front driving gear or a rear driving gear, the front end of a shell 1 is provided with a shifting fork 9 connected with the shifting gear 7, the shifting fork 9 is connected with a shifting fork shaft 10, one end of the shifting fork shaft 10 extends out from the side surface of the shell 1 and is connected with a control lever 12, when power is transmitted to the front driving spline shaft 5, the control lever 12 is shifted to enable the shifting fork shaft 10 to move towards the left side to drive the shifting gear 7 to move through the shifting fork 9, the power can be transmitted to the front drive spline shaft 5 by engaging the shift gear 7 with the front drive gear, and when the power is to be transmitted to the rear drive spline shaft 6, the shift lever 12 is shifted to move the shift fork shaft 10 to the right side and move the shift gear 7 through the shift fork 9, so that the power can be transmitted to the rear drive spline shaft 6 by engaging the shift gear 7 with the rear drive gear.

The casing 1 is provided with a shifting fork seat 11, one end of a shifting fork shaft 10 extending out of the casing 1 penetrates through the shifting fork seat 11 to be connected with an operating rod 12, one end of the shifting fork seat 11 extends to the side face of the operating rod 12 and is connected with the operating rod 12 through a shifting rod shaft, the shifting fork seat 11 can fix the operating rod 12, gear errors caused by shaking of the operating rod 12 when the operating rod is not used are prevented, meanwhile, the shifting fork seat 11 wraps the shifting fork shaft 10 to prevent dust and sundries from entering the casing 1 to affect the use of the transfer case, a stop gasket 13 is arranged on the side face of the casing 1, the stop gasket 13 is connected with the casing 1 through bolts, one end of the intermediate shaft 2 extends to the side face of the casing 1 and is provided with a notch, one end of the stop gasket 13 extends into the notch of the intermediate shaft 2, the stop gasket 13 limits the axial freedom degree of the intermediate shaft 2, and prevents the intermediate shaft 2 from shaking when rotating to affect the stability of the operation of the transfer case.

The front driving spline shaft 5 and the rear driving spline shaft 6 respectively extend to two sides of the shell 1, the tail ends of the front driving spline shaft 5 and the rear driving spline shaft 6 are respectively provided with a front driving flange 14 and a rear driving flange 15, the front driving flange 14 and the rear driving flange 15 are respectively connected with the front shaft and the rear shaft, power is output, meanwhile, the structure of the flanges has better stability, a front driving end cover 16 wrapping the front driving spline shaft 5 is arranged between the front driving flange 14 and the shell 1, a rear driving end cover 17 wrapping the rear driving spline shaft 6 is arranged between the rear driving flange 15 and the shell 1, the front driving end cover 16 and the rear driving end cover 17 can prevent dust from entering the shell 1, the front driving flange 14 and the rear driving flange 15 are respectively provided with a dustproof cover 18, framework type oil seals 19 are respectively arranged between the front driving flange 14 and the front driving end cover 16 and between the rear driving flange 15 and the rear driving end cover 17, the framework type oil seals 19 effectively improve the sealing performance of the shell 1, the operation of the transfer case is more stable, the rear driving end cover 17 is provided with a rear driving meter seat 20, the installation of the rear driving meter seat 20 is more convenient for installing the odometer input gear 3, the odometer input gear 4, and the odometer input gear 4 is connected with a convenient and the odometer input gear spacer 21, and the stability is improved, and the stability of the odometer input gear is improved, and the stability is improved, and the odometer input stability of the odometer input spacer 4.

When the transfer case needs to drive the front shaft to operate, the operating lever 12 is shifted to enable the gear shifting gear 7 to move leftwards to be meshed with the front driving gear, so that power is transmitted to the front driving spline shaft 5 from the input spline shaft 3 through the input gear 4, the duplicate gear 8 and the gear shifting gear 7, when the rear shaft needs to be driven to operate, the operating lever 12 is shifted to enable the gear shifting gear 7 to move rightwards to be meshed with the rear driving gear, the switching between the front driving gear and the rear driving gear can be conveniently and manually controlled through the operating lever 12, meanwhile, the sealing performance of the shell 1 is improved through the limitation of the axial freedom degree of the intermediate shaft 2 through the stop gasket 13 and the positioning and limitation of the gear spacer 21 on the input gear 4, the transmission stability of the transfer case and the operation stability of the transfer case are effectively improved, the transfer case can stably operate under complex conditions, and the safety of the transfer case is guaranteed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A transfer case assembly convenient to manual regulation, includes casing (1), its characterized in that: the utility model provides a gearbox, including casing (1), casing (1) front and back both ends are provided with output and input respectively, casing (1) middle part is rotatable to be provided with jackshaft (2), output and input are connected to jackshaft (2), the input is provided with input spline shaft (3), be connected with input gear (4) on input spline shaft (3), the output is provided with front drive spline shaft (5) and back drive spline shaft (6), front drive spline shaft (5) and back drive spline shaft (6) set up respectively in the both ends of controlling of casing (1), be provided with between front drive spline shaft (5) and back drive spline shaft (6) and shift gear (7), front drive spline shaft (5) and back drive spline shaft (6) are provided with respectively and are used for the front drive gear and the back drive gear of being connected with gear (7), be provided with duplicate gear (8) on jackshaft (2), duplicate gear (8) both ends are connected with input gear (4) and gear (7) respectively and shift gear (7), jackshaft (2) are connected input and output through duplicate gear (8), casing (1) front end is provided with shift fork (9) and shift fork (10) side face of shifting, shift fork (10) are connected with shift lever (10) and are connected with shift lever (10) from the side (10) .

2. The transfer case assembly for facilitating manual adjustment of claim 1, wherein: the shell (1) is provided with a shifting fork seat (11), one end, extending out of the shell (1), of the shifting fork shaft (10) penetrates through the shifting fork seat (11) to be connected with the operating rod (12), and one end of the shifting fork seat (11) extends to the side face of the operating rod (12) and is connected with the operating rod (12) through the shifting rod shaft.

3. The transfer case assembly for facilitating manual adjustment of claim 1, wherein: the novel multifunctional electric wrench is characterized in that a stop gasket (13) is arranged on the side face of the shell (1), the stop gasket (13) is connected with the shell (1) through a bolt, one end of the intermediate shaft (2) extends to the side face of the shell (1) and is provided with a notch, and one end of the stop gasket (13) extends into the notch of the intermediate shaft (2).

4. The transfer case assembly for facilitating manual adjustment of claim 1, wherein: the front driving spline shaft (5) and the rear driving spline shaft (6) extend to the two sides of the shell (1) respectively, the tail ends of the front driving spline shaft and the rear driving spline shaft are provided with a front driving flange (14) and a rear driving flange (15) respectively, a front driving end cover (16) wrapping the front driving spline shaft (5) is arranged between the front driving flange (14) and the shell (1), and a rear driving end cover (17) wrapping the rear driving spline shaft (6) is arranged between the rear driving flange (15) and the shell (1).

5. The transfer case assembly for facilitating manual adjustment of claim 4, wherein: the front driving flange (14) and the rear driving flange (15) are both provided with dust covers (18), and framework type oil seals (19) are arranged between the front driving flange (14) and the front driving end cover (16) and between the rear driving flange (15) and the rear driving end cover (17).

6. The transfer case assembly for facilitating manual adjustment of claim 4, wherein: the rear driving end cover (17) is provided with a rear driving odometer seat (20).

7. The transfer case assembly for facilitating manual adjustment of claim 1, wherein: and the input spline shaft (3) is provided with a gear spacer bush (21) connected with the input gear (4).