CN215567436U

CN215567436U - Cross axle for differential mechanism between axle wheels

Info

Publication number: CN215567436U
Application number: CN202120973003.9U
Authority: CN
Inventors: 缪依明
Original assignee: Hangzhou Xiaoshan Hongda Auto Parts Co ltd
Current assignee: Hangzhou Xiaoshan Hongda Auto Parts Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-18
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a cross shaft for an inter-axle-wheel differential mechanism, which relates to the technical field of cross shafts and comprises a cross main body, wherein fixing shafts which are matched with each other are integrally cast at four corners of the cross main body, a rotating sleeve is rotatably connected to the outer side of each fixing shaft, a first oil duct which extends into each fixing shaft is formed in the cross main body, and a transition cavity which is matched with the first oil duct is formed in one end of each fixing shaft. When the lubricating oil circulation device is used, lubricating oil enters the transition cavity along the first oil duct, then enters the third oil duct along the plurality of groups of the second oil ducts, and finally the plurality of groups of the roll shafts are completely wrapped in the lubricating oil, so that the roll shafts can run more smoothly.

Description

Cross axle for differential mechanism between axle wheels

Technical Field

The utility model relates to the technical field of cross shafts, in particular to a cross shaft for an inter-axle differential mechanism.

Background

The cross shaft is also called cross joint, i.e. universal joint, is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, and is widely applied to a differential mechanism between wheels of an axle and between various gearboxes and reducers on a vehicle driven by a front engine and a rear wheel of the automobile.

When an existing cross shaft is installed, a universal joint fork and the cross shaft are clamped with each other through a shaft cover, and the shaft cover is pressed into the interior of the universal joint fork to be fixed.

In the prior art, the universal joint fork and the cross shaft are in interference fit and inconvenient to disassemble, and when the universal joint fork and the cross shaft are used, lubricating oil cannot be well transferred, so that large friction exists between the universal joint fork and the cross shaft, and the service life of the cross shaft is shortened.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a cross shaft for an inter-axle-wheel differential mechanism, so as to solve the technical problems that in the prior art, the universal joint yoke and the cross shaft are in interference fit, the disassembly is inconvenient, and in use, lubricating oil cannot be well transferred, so that the universal joint yoke and the cross shaft have large friction, and the service life of the cross shaft is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cross axle that differential mechanism used between axle wheel, includes the cross main part, the all integral type castings of four corners department of cross main part have the fixed axle of mutually supporting, the outside of fixed axle is rotated and is connected with the swivel nut, the inside first oil duct of extending to the fixed axle inside is seted up to the inside of cross main part, the one end of fixed axle is inside to be seted up the transition cavity of mutually supporting with first oil duct, the inside multiunit second oil duct of intercommunication each other with the transition cavity of seting up of one end of fixed axle, the outside of fixed axle is seted up the third oil duct of intercommunication each other with the second oil duct, the inside roller that has cup jointed annular array that rotates of swivel nut.

Through adopting above-mentioned technical scheme, in order to enter into the transition cavity along first oil duct with lubricating oil, later enter into the third oil duct along multiunit second oil duct, at last all wrap up multiunit roller in lubricating oil, make the more smooth of roller operation, and first oil duct, the transition cavity, the second oil duct, switch on each other between the third oil duct, make lubricating oil can circulate wherein, and conveying capacity is strong, avoid producing great frictional force because can not get lubricating oil between fixed axle and the swivel sleeve, thereby the life of cross main part has been prolonged.

The utility model is further provided that a pressing cover is arranged at the top of the rotary sleeve, a cross pin is arranged at one end of the pressing cover close to the rotary sleeve, and a cross groove matched with the cross pin is formed in the top of the rotary sleeve.

Through adopting above-mentioned technical scheme, be in order to utilize mutually supporting between cross recess and the cross round pin, will compress tightly the more perfect pressure of lid on the terminal surface of universal joint fork.

The utility model is further arranged in that a mounting groove matched with the roll shaft is formed in the rotary sleeve, a framework oil seal is arranged between the rotary sleeve and the fixed shaft, and an oil nozzle communicated with the first oil duct is arranged in the middle of the top of the cross-shaped main body.

Through adopting above-mentioned technical scheme, be in order to utilize the mounting groove to install the roller, its work of being convenient for, the effect of recycling the skeleton oil blanket avoids the oil leak between swivel sleeve and the fixed axle, still utilizes the glib talker to be convenient for lubricating oil to get into.

The utility model is further provided that a plurality of groups of fixing holes in annular arrays which are mutually matched are arranged on the end surfaces of the rotary sleeve and the compression cover, and the rotary sleeve and the compression cover are matched through fixing bolts of the fixing holes.

Through adopting above-mentioned technical scheme, in order to utilize mutually supporting between multiunit fixing bolt and the fixed orifices, compress tightly its fixed, make it installation dismantle convenient, improve work efficiency.

In summary, the utility model mainly has the following beneficial effects:

1. according to the structure, the first oil duct, the transition cavity, the second oil duct, the third oil duct, the roll shaft and the like are arranged, when the structure is used, lubricating oil enters the transition cavity along the first oil duct, then enters the third oil duct along the multiple groups of second oil ducts, and finally the multiple groups of roll shafts are completely wrapped in the lubricating oil, so that the roll shaft runs more smoothly;

2. through the cross pin structures such as the pressing cover and the cross groove, the universal joint fork is only required to be installed in the cross main body during installation, then the pressing cover is perfectly pressed on the end face of the universal joint fork by utilizing the mutual matching between the cross groove and the cross pin, and then the universal joint fork is fixedly pressed through the mutual matching between the plurality of groups of fixing bolts and the fixing holes, so that the universal joint fork is convenient to install and disassemble, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is an external structural view of the present invention.

In the figure: 1. a cross body; 2. a fixed shaft; 3. a rotating sleeve; 4. a first oil passage; 5. a transition cavity; 6. a second oil passage; 7. a third oil passage; 8. a roll shaft; 9. a cross groove; 10. a compression cover; 11. a cross pin; 12. a nozzle tip; 13. framework oil seal; 14. mounting grooves; 15. a fixing hole; 16. and (5) fixing the bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A cross shaft for an axle wheel differential mechanism is disclosed, as shown in figures 1-3, and comprises a cross main body 1, wherein fixing shafts 2 which are mutually matched are integrally cast at four corners of the cross main body 1, the cross main body 1 and the fixing shafts 2 are firmer by integral casting, the integral structure is more durable, a rotating sleeve 3 is rotatably connected to the outer side of each fixing shaft 2, a first oil duct 4 which extends into the fixing shaft 2 is arranged in the cross main body 1, a transition cavity 5 which is mutually matched with the first oil duct 4 is arranged in one end of each fixing shaft 2, a plurality of groups of second oil ducts 6 which are mutually communicated with the transition cavity 5 are arranged in one end of each fixing shaft 2, a third oil duct 7 which is mutually communicated with the second oil ducts 6 is arranged on the outer side of each fixing shaft 2, and the first oil duct 4, the transition cavity 5, the second oil ducts 6 and the third oil ducts 7 are mutually communicated, make lubricating oil can be in wherein circulation, and transport capacity is strong, avoids producing great frictional force between fixed axle 2 and the swivel housing 3 owing to can not obtain lubricating oil to prolonged cross main part 1's life, swivel housing 3 is inside to rotate the roller 8 that has cup jointed annular array, utilizes roller 8 to reduce the frictional force between fixed axle 2 and the swivel housing 3.

Referring to fig. 1 and 3, a pressing cover 10 is disposed on the top of the rotary sleeve 3, a cross pin 11 is disposed at one end of the pressing cover 10 close to the rotary sleeve 3, a cross slot 9 matched with the cross pin 11 is disposed on the top of the rotary sleeve 3, and the pressing cover 10 is pressed on the end surface of the universal yoke more perfectly by the mutual matching between the cross slot 9 and the cross pin 11.

Referring to fig. 1 and 2, a mounting groove 14 which is matched with the roller shaft 8 is formed in the rotary sleeve 3, the roller shaft 8 is mounted through the mounting groove 14, so that the rotary sleeve can work conveniently, a framework oil seal 13 is arranged between the rotary sleeve 3 and the fixed shaft 2, oil leakage between the rotary sleeve 3 and the fixed shaft 2 is avoided under the action of the framework oil seal 13, an oil nozzle 12 which is communicated with the first oil duct 4 is arranged in the middle of the top of the cross-shaped main body 1, and lubricating oil can enter conveniently through the oil nozzle 12.

Referring to fig. 1 and 3, the end surfaces of the rotary sleeve 3 and the pressing cover 10 are respectively provided with a plurality of annular array fixing holes 15 which are matched with each other, and the rotary sleeve 3 and the pressing cover 10 are fixed and pressed by the fixing bolts 16 which are matched with each other through the fixing holes 15 by utilizing the mutual matching between the plurality of fixing bolts 16 and the fixing holes 15, so that the installation and the disassembly are convenient, and the working efficiency is improved.

The working principle of the utility model is as follows: during installation, the universal joint fork is installed in the cross main body 1, then the pressing cover 10 is pressed on the end face of the universal joint fork perfectly by utilizing the mutual matching between the cross groove 9 and the cross pin 11, and then the universal joint fork is fixed and pressed by the mutual matching between a plurality of groups of fixing bolts 16 and the fixing holes 15, so that the universal joint fork is convenient to install and disassemble, and the working efficiency is improved;

during the use, enter into transition cavity 5 through glib 12 with lubricating oil along first oil duct 4 in, later enter into third oil duct 7 along multiunit second oil duct 6 in, at last all wrap up multiunit roller 8 in lubricating oil, make the more smooth of roller 8 operation, and switch on each other between first oil duct 4, transition cavity 5, second oil duct 6, the third oil duct 7, make lubricating oil can be wherein circulated, and transport capacity is strong, avoid producing great frictional force between fixed axle 2 and the swivel housing 3 because can not get lubricating oil, thereby the life of cross main part 1 has been prolonged, reuse skeleton oil blanket 13 avoids the oil leak between swivel housing 3 and the fixed axle 2.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a cross axle that differential mechanism used between axle wheel, includes cross main part (1), its characterized in that: the utility model discloses a multi-oil-channel oil-gas separator, including fixed axle (2), the outside of fixed axle (2) is rotated and is connected with swivel sleeve (3), the inside first oil duct (4) that extend to fixed axle (2) inside are seted up to the inside of cross main part (1), transition cavity (5) of mutually supporting with first oil duct (4) are seted up to the one end inside of fixed axle (2), multiunit second oil duct (6) that communicate each other with transition cavity (5) are seted up to the one end inside of fixed axle (2), third oil duct (7) that communicate each other with second oil duct (6) are seted up to the outside of fixed axle (2), the roller (8) of annular array have been cup jointed in the inside rotation of swivel sleeve (3).

2. The cross for an axle-to-wheel differential mechanism according to claim 1, wherein: the top of the rotary sleeve (3) is provided with a pressing cover (10), one end, close to the rotary sleeve (3), of the pressing cover (10) is provided with a cross pin (11), and the top of the rotary sleeve (3) is provided with a cross groove (9) matched with the cross pin (11).

3. The cross for an axle-to-wheel differential mechanism according to claim 1, wherein: the utility model discloses a rotary oil nozzle, including the rotary sleeve, the installation groove (14) of mutually supporting with roller (8) is seted up to the inside of rotary sleeve (3), be provided with skeleton oil blanket (13) between rotary sleeve (3) and fixed axle (2), department is provided with glib talker (12) that communicate each other with first oil duct (4) in the middle of the top of cross main part (1).

4. The cross for an axle-to-wheel differential mechanism according to claim 2, wherein: the end faces of the rotary sleeve (3) and the compression cover (10) are provided with a plurality of groups of fixing holes (15) in annular arrays, and the fixing holes (15) are matched with each other, and fixing bolts (16) are arranged between the rotary sleeve (3) and the compression cover (10) through the fixing holes (15).