CN217319924U

CN217319924U - Rear axle assembly maintenance-free wheel end

Info

Publication number: CN217319924U
Application number: CN202221238702.XU
Authority: CN
Inventors: 吴均; 周开胜; 廖世贵
Original assignee: Qingdao Aerospace Hongguang Vehicle Bridge Manufacturing Co ltd
Current assignee: Qingdao Aerospace Hongguang Vehicle Bridge Manufacturing Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-30
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a rear axle technical field discloses a rear axle assembly non-maintaining wheel end, including differential mechanism, differential mechanism's the left and right sides all is provided with rear axle assembly main part, the upper and lower both sides of rear axle assembly main part are provided with down fixing base and last fixing base respectively, the first engaging lug of the equal fixedly connected with in both sides around the fixing base down, go up the equal fixedly connected with second engaging lug in both sides around the fixing base, the equal fixedly connected with connecting rod of top center department of second engaging lug. The utility model discloses in, wheel hub drives mounting panel and liquid storage pot and rotates, and lubricated liquid gets into the stock solution intracavity portion through the conveyer pipe under the effect of gravity when the liquid storage pot rotates the high point, and bearing pivoted in-process drives the ball and rolls, and the rolling in-process of ball is located stock solution chamber and lubricated liquid contact and is rolled out the stock solution chamber and contact with the outside of bearing to the function of lubricated liquid is annotated to the realization to bearing and pivot.

Description

Rear axle assembly maintenance-free wheel end

Technical Field

The utility model relates to a rear axle technical field especially relates to a rear axle assembly non-maintaining wheel end.

Background

The rear axle is the constituent part of the rear driving axle for the power transmission of the vehicle, which is composed of two half-bridges, can implement half-bridge differential motion, and is also a device for supporting wheels and connecting the rear wheels, in the case of a front-axle driven vehicle, the rear axle is only a trailing axle, and only plays a role of load bearing, if the front axle is not a driving axle, the rear axle is a driving axle, and the driving and the speed reduction also have the differential function besides the bearing function, in the case of four-wheel drive, a transfer case is generally provided in front of the rear axle, which is divided into a monoblock axle and a half-bridge, the monoblock axle being provided with non-independent suspensions, such as leaf spring suspensions, and the half-bridge being provided with independent suspensions, such as macpherson suspensions, meanwhile, the rear axle assembly is a mechanism which is used for supporting wheels and connecting rear wheels, and is arranged behind a suspension of an automobile chassis to play a role in connecting and damping.

At present, there is certain defect at the rear axle assembly wheel end that has now in the use, and when rear axle assembly wheel end in the rotation process, the bearing leads to frictional force to increase owing to lack lubricated liquid's reason, causes wheel end and bearing easily and appears the problem of damaging, need dismantle when follow-up maintenance adds lubricated liquid, has increased the work degree of difficulty, wastes time and energy, so need improve rear axle assembly wheel end.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a rear axle assembly maintenance-free wheel end.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rear axle assembly maintenance-free wheel end comprises a differential mechanism, wherein rear axle assembly main bodies are arranged on the left side and the right side of the differential mechanism, a lower fixing seat and an upper fixing seat are respectively arranged on the upper side and the lower side of the rear axle assembly main body, a first connecting lug is fixedly connected on each of the front side and the rear side of the lower fixing seat, a second connecting lug is fixedly connected on each of the front side and the rear side of the upper fixing seat, a connecting rod is fixedly connected at the center of the top of each second connecting lug, the top of each connecting rod is fixedly connected at the center of the bottom of a fixing plate, rotating shafts are fixedly connected at the left end and the right end of the rear axle assembly main body, wheel hubs are respectively connected on the outer diameters of the rotating shafts through bearings, mounting plates are respectively and fixedly connected on the inner sides of the wheel hubs, a liquid storage tank is fixedly connected at the top end of one side of each mounting plate, and liquid outlets at the bottom of the liquid storage tank are respectively and fixedly connected at one end of a conveying pipe, the other end of conveyer pipe all runs through mounting panel and fixed connection in the top inlet port in stock solution chamber, the bottom in stock solution chamber is provided with a plurality of liquid outlets, and all is provided with a plurality of balls in the liquid outlet.

As a further description of the above technical solution:

first engaging lug and second engaging lug all link to each other through fixing bolt, equal threaded connection has fixation nut on fixing bolt's the downside external diameter.

As a further description of the above technical solution:

the central through holes of the mounting plates are rotatably connected to the outer diameter of the rotating shaft.

As a further description of the above technical solution:

the top of the liquid storage tank is provided with a liquid filling port, and the liquid filling port is provided with a sealing cover.

As a further description of the above technical solution:

the liquid storage cavity is arranged in the hub and is positioned above the bearing.

As a further description of the above technical solution:

two fixing screws are in threaded connection with the front side and the rear side of the top of the fixing plate.

As a further description of the above technical solution:

the top of fixing base and the bottom of last fixing base all are provided with the draw-in groove down, the draw-in groove is the semicircle ring-type.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first to pouring into lubricated liquid in the liquid storage tank, when wheel hub rotates, wheel hub drives mounting panel and liquid storage pot and rotates, lubricated liquid gets into the stock solution intracavity portion through the conveyer pipe under the effect of gravity when the liquid storage pot rotates the high point, bearing pivoted in-process drives the ball and rolls, the rolling in-process of ball is located the stock solution chamber and contacts with the outside of lubricated liquid contact roll-out stock solution chamber and with the bearing, thereby realize bearing and pivot filling lubricated liquid's function, the normal operating of pivot and bearing has been guaranteed, thereby realize non-maintaining's function, avoid dismantling and add lubricated liquid and cause the problem that working strength rises.

2. The utility model discloses in, fix the bottom at the car through connecting rod, fixed plate and fixed screw with the fixed plate, then will be down fixing base top draw-in groove and go up fixing base bottom draw-in groove card on the external diameter of rear axle assembly main part, realize the tight purpose of fixed clamp through fixing bolt, first engaging lug and second engaging lug to realize the installation of rear axle assembly main part, not hard up fixing bolt and fixed screw when needs are dismantled can, easy operation, convenient and fast.

Drawings

Fig. 1 is a perspective view of a maintenance-free wheel end of a rear axle assembly according to the present invention;

FIG. 2 is a front sectional view of a rear axle assembly maintenance-free wheel end in accordance with the present invention;

fig. 3 is a rear view of a maintenance-free wheel end of a rear axle assembly according to the present invention.

Illustration of the drawings:

1. a differential mechanism; 2. a rear axle assembly main body; 3. a lower fixed seat; 4. a first connecting lug; 5. fixing the bolt; 6. a card slot; 7. an upper fixed seat; 8. a second engaging lug; 9. a connecting rod; 10. a fixing plate; 11. fixing screws; 12. mounting a plate; 13. a hub; 14. a liquid storage tank; 15. a delivery pipe; 16. a liquid storage cavity; 17. a ball bearing; 18. a rotating shaft; 19. and a bearing.

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 invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a rear axle assembly maintenance-free wheel end comprises a differential mechanism 1, rear axle assembly main bodies 2 are arranged on the left side and the right side of the differential mechanism 1, lower fixing seats 3 and upper fixing seats 7 are respectively arranged on the upper side and the lower side of each rear axle assembly main body 2, first connecting lugs 4 are fixedly connected on the front side and the rear side of each lower fixing seat 3, second connecting lugs 8 are fixedly connected on the front side and the rear side of each upper fixing seat 7, connecting rods 9 are fixedly connected at the centers of the tops of the second connecting lugs 8, the tops of the connecting rods 9 are fixedly connected at the centers of the bottoms of fixing plates 10, rotating shafts 18 are fixedly connected at the left end and the right end of each rear axle assembly main body 2, hubs 13 are connected on the outer diameters of the rotating shafts 18 through bearings 19, mounting plates 12 are fixedly connected on the inner sides of the hubs 13, liquid storage tanks 14 are fixedly connected at the top ends of one sides of the mounting plates 12, and liquid outlets at the bottoms of the liquid storage tanks 14 are fixedly connected at one ends of conveying pipes 15, the other end of the conveying pipe 15 penetrates through the mounting plate 12 and is fixedly connected in a liquid inlet at the top of the liquid storage cavity 16, a plurality of liquid outlets are arranged at the bottom of the liquid storage cavity 16, a plurality of balls 17 are arranged in the liquid outlets, lubricating liquid is injected into the liquid storage tank 14, when the hub 13 rotates, the hub 13 drives the mounting plate 12 and the liquid storage tank 14 to rotate, the lubricating liquid enters the liquid storage cavity 16 through the conveying pipe 15 under the action of gravity when the liquid storage tank 14 rotates to a high point, the balls 17 are driven to roll in the rotating process of the bearing 19, the balls 17 are positioned in the liquid storage cavity 16 in the rolling process and are in contact with the lubricating liquid to be rotated out of the liquid storage cavity 16 and are in contact with the outer side of the bearing 19, so that the function of injecting the lubricating liquid into the bearing 19 and the rotating shaft 18 is realized, the normal operation of the rotating shaft 18 and the bearing 19 is ensured, the maintenance-free function is realized, and the problem of working strength increase caused by the disassembly of the lubricating liquid is avoided, through connecting rod 9, fixed plate 10 and set screw 11 fix fixed plate 10 in the bottom of car, then will be down 3 top draw-in grooves of fixing base 6 and go up 7 bottom draw-in grooves of fixing base 6 and block on the external diameter of rear axle assembly main part 2, through fixing bolt 5, first engaging lug 4 and second engaging lug 8 realize the fixed clamp tight purpose, thereby realize the installation of rear axle assembly main part 2, not hard up fixing bolt 5 and set screw 11 can when needs are dismantled, the operation is simple, and is convenient and fast.

First engaging lug 4 and second engaging lug 8 all link to each other through fixing bolt 5, equal threaded connection has fixation nut on fixing bolt 5's the downside external diameter, the fixed mounting of being convenient for, the central through-hole of mounting panel 12 all rotates and connects on the external diameter of pivot 18, the top of liquid storage pot 14 all is provided with fills the liquid mouth, and all be provided with sealed lid on filling the liquid mouth, be convenient for pour into lubricated liquid into, liquid storage chamber 16 sets up the inside at wheel hub 13, and be located bearing 19's top, equal threaded connection in both sides has two set screws 11 around the top of fixed plate 10, the top of lower fixing base 3 and the bottom of last fixing base 7 all are provided with draw-in groove 6, draw-in groove 6 is the semicircle ring-type, be convenient for install fixedly.

The working principle is as follows: lubricating liquid is injected into the liquid storage tank 14, when the wheel hub 13 rotates, the wheel hub 13 drives the mounting plate 12 and the liquid storage tank 14 to rotate, when the liquid storage tank 14 rotates to a high point, the lubricating liquid enters the liquid storage cavity 16 through the conveying pipe 15 under the action of gravity, the ball 17 is driven to roll in the rotating process of the bearing 19, the ball 17 is positioned in the liquid storage cavity 16 in the rolling process and is in contact with the lubricating liquid to be rotated out of the liquid storage cavity 16 and is in contact with the outer side of the bearing 19, so that the function of injecting the lubricating liquid into the bearing 19 and the rotating shaft 18 is realized, the normal operation of the rotating shaft 18 and the bearing 19 is ensured, the maintenance-free function is realized, the problem of working strength increase caused by detaching the lubricating liquid is avoided, the fixing plate 10 is fixed at the bottom of the vehicle through the connecting rod 9, the fixing plate 10 and the fixing screw 11, and then the clamping grooves 6 at the top of the lower fixing seat 3 and the bottom of the upper fixing seat 7 are clamped on the outer diameter of the rear axle assembly main body 2, realize the fixed clamp's purpose through fixing bolt 5, first engaging lug 4 and second engaging lug 8 to realize the installation of rear axle assembly main part 2, not hard up fixing bolt 5 and fixed screw 11 when needs are dismantled can, easy operation, convenient and fast.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A rear axle assembly maintenance-free wheel end, includes differential (1), its characterized in that: the left side and the right side of the differential (1) are both provided with a rear axle assembly main body (2), the upper side and the lower side of the rear axle assembly main body (2) are respectively provided with a lower fixing seat (3) and an upper fixing seat (7), the front side and the rear side of the lower fixing seat (3) are both fixedly connected with a first connecting lug (4), the front side and the rear side of the upper fixing seat (7) are both fixedly connected with a second connecting lug (8), the top center of the second connecting lug (8) is both fixedly connected with a connecting rod (9), the top of the connecting rod (9) is both fixedly connected with the bottom center of a fixing plate (10), the left end and the right end of the rear axle assembly main body (2) are both fixedly connected with a rotating shaft (18), the outer diameter of the rotating shaft (18) is both connected with a wheel hub (13) through a bearing (19), the inner side of the wheel hub (13) is both fixedly connected with a mounting plate (12), the equal fixedly connected with liquid storage pot (14) in one side top of mounting panel (12), the equal fixed connection in one end of conveyer pipe (15) of bottom liquid outlet of liquid storage pot (14), the other end of conveyer pipe (15) all runs through mounting panel (12) and fixed connection in the top liquid inlet of liquid storage chamber (16), the bottom in liquid storage chamber (16) is provided with a plurality of liquid outlets, and all is provided with a plurality of balls (17) in the liquid outlet.

2. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: first engaging lug (4) and second engaging lug (8) all link to each other through fixing bolt (5), equal threaded connection has fixation nut on the downside external diameter of fixing bolt (5).

3. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: the central through holes of the mounting plate (12) are rotatably connected to the outer diameter of the rotating shaft (18).

4. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: the top of the liquid storage tank (14) is provided with a liquid filling port, and the liquid filling port is provided with a sealing cover.

5. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: the liquid storage cavity (16) is arranged inside the hub (13) and is positioned above the bearing (19).

6. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: two fixing screws (11) are in threaded connection with the front side and the rear side of the top of the fixing plate (10).

7. A rear axle assembly maintenance-free wheel end as claimed in claim 1, wherein: the top of lower fixing base (3) and the bottom of last fixing base (7) all are provided with draw-in groove (6), draw-in groove (6) are the semicircle ring-type.