CN213332268U

CN213332268U - Automobile differential mechanism with automatic locking function

Info

Publication number: CN213332268U
Application number: CN202022209910.4U
Authority: CN
Inventors: 冯浩
Original assignee: Zhucheng Shunde Axle Co ltd
Current assignee: Zhucheng Shunde Axle Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-01
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a differential mechanism with automatic locking function, which comprises a housin, the both sides outer wall intermediate position of casing is provided with first beam barrel and second beam barrel respectively perpendicularly, and the perpendicular welding of the top intermediate position of casing has a third beam barrel, the upper end movable mounting of third beam barrel has the axle sleeve, and the activity runs through between the upper and lower surface position of axle sleeve and installs the transmission shaft, the transmission shaft sets up the inside at the third beam barrel, and the fixed driving gear that has cup jointed of lower extreme of transmission shaft, the inside of first beam barrel and second beam barrel is provided with first output shaft and second output shaft respectively, and the one end that first output shaft and second output shaft are close to each other is fixed respectively and has cup jointed left side half axle gear and right side half axle gear. The utility model discloses in, automobile differential has automatic locking function in order to keep fixed rotational speed, and locking structure's work precision is high, and simultaneously, differential mechanism can dismantle so that to local gear's maintenance and change.

Description

Automobile differential mechanism with automatic locking function

Technical Field

The utility model relates to a differential mechanism field especially relates to an automobile differential mechanism with automatic locking function.

Background

The automobile differential mechanism plays a role in speed change when working, and when a vehicle turns by changing a high speed into a low speed, the rotation speed difference of front and rear wheels is adjusted to ensure the balanced and normal running of the vehicle, so that the automobile differential mechanism is an important safety protection structure in an automobile system.

Traditional automobile differential does not possess automatic locking function when using, leads to differential gear can not keep fixed rotational speed, influences the precision that front and back wheel rotational speed adjusted, and simultaneously, differential gear can not dismantle, brings inconvenience for the maintenance and the change of local gear, has influenced automobile differential's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the automobile differential who provides has automatic locking function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile differential with automatic locking function, includes the casing, the both sides outer wall intermediate position of casing is provided with first shaft section of thick bamboo and second shaft section of thick bamboo respectively perpendicularly, and the perpendicular welding of the top intermediate position of casing has a third shaft section of thick bamboo, the upper end movable mounting of third shaft section of thick bamboo has the axle sleeve, and the activity runs through between the upper and lower surface position of axle sleeve installs the transmission shaft, the transmission shaft sets up the inside at the third shaft section of thick bamboo, and the fixed driving gear that has cup jointed of lower extreme of transmission shaft, the inside of first shaft section of thick bamboo and second shaft section of thick bamboo is provided with first output shaft and second output shaft respectively, and the one end that first output shaft and second output shaft are close to each other is fixed respectively has cup jointed left side half axle gear and right half axle gear, the perpendicular fixed cup joint of surface of second output, and the equal fixed mounting in top inner wall and bottom inner wall one side position of carrier has planetary gear, the fixed plate has all been welded to the intermediate position around the inner wall of casing, and is two sets of the equal perpendicular fixedly connected with spreader in surface one side top and bottom position that the fixed plate is close to each other, adjacent two sets of perpendicular slidable mounting has the latch segment between the spreader, and the latch segment keeps away from surface one side fixed mounting in surface one side position of fixed plate has the rubber pad, the latch segment with link to each other fixedly connected with spring part between the fixed plate.

Preferably, the centers of the transverse shafts of the first output shaft and the second output shaft are arranged on the same transverse line, and the ends, close to each other, of the first output shaft and the second output shaft are respectively and vertically movably connected with the two side walls of the shell in a penetrating manner.

Preferably, driving gear, left side gear, driven gear and right side gear all set up in the inside of casing, and driving gear and driven gear are perpendicular, driving gear and driven gear mesh mutually, and driven gear sets up the one side position of keeping away from left side gear at right side gear.

Preferably, the gear rack is of a concave structure, the right half shaft gear is arranged in the middle of the gear rack, the planetary gear is arranged below the driving gear at the top, the planetary gear is vertically arranged between the left half shaft gear and the right half shaft gear, and the planetary gear, the left half shaft gear and the right half shaft gear are meshed with each other.

Preferably, the two groups of locking blocks are respectively arranged in front of and behind the planetary gear.

Preferably, the ends of the first shaft cylinder and the second shaft cylinder, which are close to each other, are welded at the positions of two side walls of the shell respectively.

Preferably, the both sides wall position of casing has welded first base plate and second base plate respectively, and has all seted up logical chamber between the both sides outer wall position of first base plate and second base plate, and is two sets of lead to the chamber respectively corresponding with left side axle gear and driven gear, the equal vertical welding in surface one side position that first beam barrel and second beam barrel are close to each other has the locating plate, and is two sets of one side outer wall that the locating plate is close to each other contacts with first base plate and second base plate respectively, and first base plate and correspondence locating plate and second base plate and correspondence equal threaded connection has the bolt between the locating plate.

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

1. in the utility model, the locking blocks installed by the fixing plate and the spring part are arranged in front of and behind the gear rack for clamping and positioning, the friction clamping force is increased by the matching rubber pad to act on the gear transmission structure, automatic locking is realized, the differential mechanism keeps a fixed rotating speed, when the gear rack makes circular motion, the locking blocks are driven by the reverse extrusion force to drive the spring part to compress, and the locking blocks move back and forth between the two groups of transverse columns for buffering, so that the working precision of the locking structure is improved;

2. in the utility model, the first base plate and the second base plate are arranged to provide splicing positioning on two sides, the through cavity is used for providing mounting guide of output structures on two sides, and the assembly and fixation are realized by matching with the positioning plate installed by bolts, so that the differential mechanism can be disassembled to overhaul and replace the local gear;

to sum up, automobile differential has automatic locking function in order to keep fixed rotational speed, and locking structure's work precision is high, and simultaneously, differential can dismantle so that overhaul and change local gear.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of an automotive differential having an automatic locking function according to the present invention;

fig. 2 is a cross-sectional view of an automobile differential with an automatic locking function provided by the present invention;

fig. 3 is a partial longitudinal sectional view of an automotive differential with an automatic locking function according to the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the differential mechanism with an automatic locking function according to the present invention.

In the figure: the device comprises a shell 1, a first shaft cylinder 2, a second shaft cylinder 3, a third shaft cylinder 4, a shaft sleeve 5, a transmission shaft 6, a driving gear 7, a first output shaft 8, a left half shaft gear 9, a second output shaft 10, a driven gear 11, a right half shaft gear 12, a gear carrier 13, a planetary gear 14, a fixed plate 15, a transverse column 16, a locking block 17, a rubber pad 18, a spring piece 19, a first base plate 20, a second base plate 21, a through cavity 22, a positioning plate 23 and a bolt 24.

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.

Example one

Referring to fig. 1-3, an automobile differential with an automatic locking function comprises a housing 1, a first shaft cylinder 2 and a second shaft cylinder 3 are respectively and vertically arranged at the middle positions of the outer walls of the two sides of the housing 1, a third shaft cylinder 4 is vertically welded at the middle position of the top of the housing 1, a shaft sleeve 5 is movably arranged at the upper end of the third shaft cylinder 4, a transmission shaft 6 is movably arranged between the upper surface and the lower surface of the shaft sleeve 5 in a penetrating manner, the transmission shaft 6 is arranged inside the third shaft cylinder 4, a driving gear 7 is fixedly sleeved at the lower end of the transmission shaft 6, a first output shaft 8 and a second output shaft 10 are respectively arranged inside the first shaft cylinder 2 and the second shaft cylinder 3, a left half-axle gear 9 and a right half-axle gear 12 are respectively and fixedly sleeved at the ends of the first output shaft 8 and the second output shaft 10, a driven gear 11 is, driven gear 11's one side outer wall position welding has carrier 13, and the equal fixed mounting in top inner wall and bottom inner wall one side position of carrier 13 has planetary gear 14, fixed plate 15 has all been welded to the intermediate position around the inner wall of casing 1, the equal perpendicular fixedly connected with spreader 16 in surface one side top and bottom position that two sets of fixed plates 15 are close to each other, perpendicular slidable mounting has latch segment 17 between adjacent two sets of spreader 16, and the fixed mounting in surface one side position that fixed plate 15 was kept away from to latch segment 17 has rubber pad 18, fixedly connected with spring part 19 between latch segment 17 and the continuous fixed plate 15.

The centers of the transverse shafts of the first output shaft 8 and the second output shaft 10 are arranged on the same transverse line, one end of the first output shaft 8, which is close to one end of the second output shaft 10, is vertically and movably connected with two side walls of the shell 1 in a penetrating way, the driving gear 7, the left half shaft gear 9, the driven gear 11 and the right half shaft gear 12 are all arranged in the shell 1, the driving gear 7 is vertical to the driven gear 11, the driving gear 7 is meshed with the driven gear 11, the driven gear 11 is arranged at one side position of the right half shaft gear 12, which is far away from the left half shaft gear 9, the gear carrier 13 is of a concave structure, the right half shaft gear 12 is arranged at the middle position of the gear carrier 13, the top planetary gear 14 is arranged below the driving gear 7, the planetary gear 14 is vertically arranged between the left half shaft gear 9 and the right half shaft gear 12, and the planetary gear 14, the left half shaft gear, two sets of locking blocks 17 are respectively arranged at the front and the rear of the planetary gear 14, and the ends of the first shaft cylinder 2 and the second shaft cylinder 3 close to each other are respectively welded at the positions of two side walls of the shell 1.

Example two

Referring to fig. 2-4, an automobile differential with an automatic locking function comprises a housing 1, a first shaft cylinder 2 and a second shaft cylinder 3 are respectively and vertically arranged at the middle positions of the outer walls of the two sides of the housing 1, a third shaft cylinder 4 is vertically welded at the middle position of the top of the housing 1, a shaft sleeve 5 is movably arranged at the upper end of the third shaft cylinder 4, a transmission shaft 6 is movably arranged between the upper surface and the lower surface of the shaft sleeve 5 in a penetrating manner, the transmission shaft 6 is arranged inside the third shaft cylinder 4, a driving gear 7 is fixedly sleeved at the lower end of the transmission shaft 6, a first output shaft 8 and a second output shaft 10 are respectively arranged inside the first shaft cylinder 2 and the second shaft cylinder 3, a left half-axle gear 9 and a right half-axle gear 12 are respectively and fixedly sleeved at the ends of the first output shaft 8 and the second output shaft 10, a driven gear 11 is, driven gear 11's one side outer wall position welding has carrier 13, and the equal fixed mounting in top inner wall and bottom inner wall one side position of carrier 13 has planetary gear 14, fixed plate 15 has all been welded to the intermediate position around the inner wall of casing 1, the equal perpendicular fixedly connected with spreader 16 in surface one side top and bottom position that two sets of fixed plates 15 are close to each other, perpendicular slidable mounting has latch segment 17 between adjacent two sets of spreader 16, and the fixed mounting in surface one side position that fixed plate 15 was kept away from to latch segment 17 has rubber pad 18, fixedly connected with spring part 19 between latch segment 17 and the continuous fixed plate 15.

The centers of the transverse shafts of the first output shaft 8 and the second output shaft 10 are arranged on the same transverse line, one end of the first output shaft 8, which is close to one end of the second output shaft 10, is vertically and movably connected with two side walls of the shell 1 in a penetrating way, the driving gear 7, the left half shaft gear 9, the driven gear 11 and the right half shaft gear 12 are all arranged in the shell 1, the driving gear 7 is vertical to the driven gear 11, the driving gear 7 is meshed with the driven gear 11, the driven gear 11 is arranged at one side position of the right half shaft gear 12, which is far away from the left half shaft gear 9, the gear carrier 13 is of a concave structure, the right half shaft gear 12 is arranged at the middle position of the gear carrier 13, the top planetary gear 14 is arranged below the driving gear 7, the planetary gear 14 is vertically arranged between the left half shaft gear 9 and the right half shaft gear 12, and the planetary gear 14, the left half shaft gear, two groups of locking blocks 17 are respectively arranged at the front and the rear of the planetary gear 14, two side walls of the shell 1 are respectively welded with a first base plate 20 and a second base plate 21, through cavities 22 are respectively arranged between the outer walls of the two sides of the first base plate 20 and the second base plate 21, the two groups of through cavities 22 are respectively corresponding to the left half-axle gear 9 and the driven gear 11, one side of the outer surface of the first shaft barrel 2 and the outer surface of the second shaft barrel 3 which are close to each other are respectively welded with a positioning plate 23, the outer walls of one side of the two groups of positioning plates 23 which are close to each other are respectively contacted with the first base plate 20 and the second base plate 21, bolts 24 are respectively connected between the first base plate 20 and the corresponding positioning plate 23 and between the second base plate 21 and the corresponding positioning plate 23 in a threaded manner, the first base plate 20 and the second base plate 21 are provided with splicing positioning at two sides, the, so that the differential can be removed for servicing and replacement of the partial gears.

The working principle is as follows: the shell 1, the first shaft cylinder 2, the second shaft cylinder 3 and the third shaft cylinder 4 are combined into a shell structure of the automobile differential mechanism, installation and matching transmission space of a speed regulating mechanism is provided, a transmission shaft 6 positioned and installed by a shaft sleeve 5 drives a driving gear 7 to rotate, a second output shaft 10 guided and installed by the second shaft cylinder 3 is driven to rotate under the meshing action of the driving gear 7 and a driven gear 11, at the moment, the second output shaft 10 drives a right half shaft gear 12 to rotate, a planetary gear 14 installed by a gear frame 13 makes circular motion when the driven gear 11 rotates, a first output shaft 8 guided and installed by the first shaft cylinder 2 is driven to rotate under the meshing action between the planetary gear 14 and a left half shaft gear 9, so that left and right wheels are controlled to roll at different rotating speeds, the rotating speeds of the wheels in curve driving of the automobile are ensured to be consistent, and locking blocks 17 installed by a fixing plate 15 and a spring piece 19, cooperate rubber pad 18 increase friction clamping force to act on gear drive structure, realize automatic locking, make differential mechanism keep fixed rotational speed, when gear carrier 13 makes circular motion, latch segment 17 receives backward extrusion force to drive spring part 19 compression, and the back-and-forth movement is cushioned between two sets of crossbars 16, improve the work precision of locking structure, first base plate 20 and second base plate 21 provide the concatenation location in both sides, provide the installation direction of both sides output structure through leading to chamber 22, the cooperation is realized the equipment by locating plate 23 of bolt 24 installation and is fixed, make differential mechanism can dismantle so that overhaul and the change to local gear, the utility model discloses in, automobile differential mechanism has automatic locking function in order to keep fixed rotational speed, locking structure's work precision is high, simultaneously, differential mechanism can dismantle so that overhaul and change to local gear.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automobile differential mechanism with an automatic locking function comprises a shell (1), and is characterized in that: the outer wall intermediate position of both sides of casing (1) is provided with first shaft section of thick bamboo (2) and second shaft section of thick bamboo (3) respectively perpendicularly, and the perpendicular welding of the top intermediate position of casing (1) has third shaft section of thick bamboo (4), the upper end movable mounting of third shaft section of thick bamboo (4) has axle sleeve (5), and the activity runs through between the upper and lower surface position of axle sleeve (5) installs transmission shaft (6), transmission shaft (6) set up in the inside of third shaft section of thick bamboo (4), and the fixed driving gear (7) that has cup jointed of the lower extreme of transmission shaft (6), the inside of first shaft section of thick bamboo (2) and second shaft section of thick bamboo (3) is provided with first output shaft (8) and second output shaft (10) respectively, and the one end that first output shaft (8) and second output shaft (10) are close to each other is fixed respectively has cup jointed left side shaft gear (9) and right side shaft gear (12), the perpendicular fixed cup joint of surface of second output, the welding of one side outer wall position of driven gear (11) has gear carrier (13), and the equal fixed mounting in top inner wall and bottom inner wall one side position of gear carrier (13) has planetary gear (14), fixed plate (15) have all been welded to the intermediate position around the inner wall of casing (1), and are two sets of the equal perpendicular fixedly connected with spreader (16) in surface one side top and the bottom position that fixed plate (15) are close to each other, adjacent two sets of perpendicular slidable mounting has latch segment (17) between spreader (16), and the surface one side position fixed mounting that fixed plate (15) were kept away from in latch segment (17) has rubber pad (18), latch segment (17) and link to each other fixedly connected with spring part (19) between fixed plate (15).

2. The differential mechanism with the automatic locking function for the automobile is characterized in that the centers of the transverse shafts of the first output shaft (8) and the second output shaft (10) are arranged on the same transverse line, and the ends, close to each other, of the first output shaft (8) and the second output shaft (10) are respectively and vertically movably connected with the two side walls of the shell (1) in a penetrating manner.

3. The differential mechanism with the automatic locking function for the automobile as claimed in claim 1, wherein the driving gear (7), the left side gear (9), the driven gear (11) and the right side gear (12) are all arranged inside the housing (1), the driving gear (7) and the driven gear (11) are perpendicular, the driving gear (7) and the driven gear (11) are meshed, and the driven gear (11) is arranged at a position on one side of the right side gear (12) far away from the left side gear (9).

4. The differential mechanism with the automatic locking function for the automobile according to claim 1, is characterized in that the carrier (13) is of a concave structure, the right half shaft gear (12) is arranged in the middle of the carrier (13), the planetary gear (14) is arranged below the driving gear (7) at the top, the planetary gear (14) is vertically arranged between the left half shaft gear (9) and the right half shaft gear (12), and the planetary gear (14), the left half shaft gear (9) and the right half shaft gear (12) are meshed.

5. The differential for automobile with automatic locking function as claimed in claim 1, characterized in that two sets of locking blocks (17) are respectively arranged in front and rear of the planetary gear (14).

6. The differential mechanism with automatic locking function for automobile according to claim 1, characterized in that the ends of the first shaft cylinder (2) and the second shaft cylinder (3) close to each other are respectively welded at the positions of two side walls of the housing (1).

7. The differential for an automobile with an automatic locking function according to claim 1, a first substrate (20) and a second substrate (21) are respectively welded on the two side walls of the shell (1), and through cavities (22) are respectively arranged between the outer wall positions at the two sides of the first base plate (20) and the second base plate (21), the two groups of through cavities (22) respectively correspond to the left half axle gear (9) and the driven gear (11), the positioning plates (23) are vertically welded at the positions of one sides of the outer surfaces, close to each other, of the first shaft cylinder (2) and the second shaft cylinder (3), the outer walls of the two groups of positioning plates (23) at the sides, close to each other, are respectively contacted with the first base plate (20) and the second base plate (21), and bolts (24) are in threaded connection between the first base plate (20) and the corresponding positioning plate (23) and between the second base plate (21) and the corresponding positioning plate (23).